WO2015007171A1 - 立体成像的装置、方法和显示器 - Google Patents
立体成像的装置、方法和显示器 Download PDFInfo
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- WO2015007171A1 WO2015007171A1 PCT/CN2014/081795 CN2014081795W WO2015007171A1 WO 2015007171 A1 WO2015007171 A1 WO 2015007171A1 CN 2014081795 W CN2014081795 W CN 2014081795W WO 2015007171 A1 WO2015007171 A1 WO 2015007171A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. three-dimensional [3D] slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. three-dimensional [3D] slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
- G02B30/28—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays involving active lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0327—Operation of the cell; Circuit arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/28—Function characteristic focussing or defocussing
Definitions
- the present invention relates to display technology, and more particularly to an apparatus, method and display for stereoscopic imaging. Background technique
- Auto-stereoscopic is also known as an eye-eye dual-view display or an eye-eye three-dimensional display or a binocular stereo disparity display.
- each microlens covers a plurality of pixels and produces a stereoscopic image on a central depth plane. A stereoscopic image can be seen when the user's eyes are focused on the center depth plane.
- Embodiments of the present invention provide an apparatus, method, and display for stereoscopic imaging that can improve the resolution of autostereoscopic display.
- a stereoscopic imaging device including: a display panel including a plurality of pixel units for displaying an image in a time division manner; and an electro-optic modulation layer including a plurality of electro-optic modulation units respectively disposed in the plurality of pixel units Corresponding positions are used to alternately deflect the rays of the image displayed by the plurality of pixel units to different projection directions according to the applied electric field of the time division change, wherein the time-varying electric field changes synchronously with the image displayed in the time division manner.
- the plurality of electro-optic modulation units are corresponding to the plurality of pixel units, wherein the electro-optic modulation layer comprises: an electro-optic modulation medium layer, the electro-modulation medium layer comprises an electro-optic modulation medium, and has a light-emitting surface and a first electrode layer, comprising an electrode on a light-emitting surface of the electro-optic modulation medium layer; a second electrode layer comprising an electrode on a light-incident surface of the electro-optic modulation medium layer, wherein each of the plurality of electro-optic modulation units
- the modulation unit is included in the electro-optic modulation medium layer
- the electric field formed by the voltage configuration deflects the light of the image displayed by the pixel unit corresponding to
- each of the plurality of electro-optic modulation units includes: at least two first electrodes for respectively receiving at least two voltages, at least A second electrode serves as a common electrode for receiving a reference voltage.
- each of the plurality of electro-optic modulation units includes a plurality of first electrodes for respectively receiving a plurality of voltages, Wherein at least two of the plurality of voltages are different, such that an electro-optic modulation medium is generated by an electric field formed by a plurality of voltages received by the plurality of first electrodes and a reference voltage received by the at least one second electrode as a common electrode The function of the axis lens to deflect the light to a preset projection direction.
- each of the plurality of electro-optic modulation units includes two first electrodes and a resistive film connected between the two first electrodes
- the two first electrodes are respectively configured to receive two voltages, wherein the two voltages are different, such that the two voltages received by the electro-optic modulation medium at the two first electrodes and the reference voltage received by the at least one second electrode as the common electrode
- the function of the formed electric field produces a lens with a linear phase tilt for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units is in accordance with the at least two first And an electric field formed by the first voltage configuration received between the electrode and the at least one second electrode as the common electrode, deflecting the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium to the first projection direction, and in the second period Deviating the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium to the second projection direction according to the electric field formed by the second voltage configuration received between the at least two first electrodes and the at least one second electrode as the common electrode
- the first voltage configuration is different from the second voltage configuration to form a time-varying electric field during the first time period and the second time period.
- each of the plurality of electro-optic modulation units includes two first electrodes and a resistive film connected between the two first electrodes
- the two first electrodes are respectively configured to receive two voltages, wherein the two voltages are different, and each of the electro-optic modulation units shares a first electrode with the adjacent electro-optic modulation unit, so that the electro-optic modulation
- the function of the medium formed by the two voltages received by the two first electrodes and the reference voltage received by the at least one second electrode as the common electrode produces a lens having a linear phase tilt for deflecting the light to the pre- Set the projection direction.
- each of the plurality of electro-optic modulation units is in accordance with the two first electrodes and the at least one second as the common electrode in the first period of time a first voltage configuration received between the electrodes, deflecting light of an image displayed by the pixel unit corresponding to the electro-optic modulation medium to a first projection direction, and according to the two first electrodes and at least one of the common electrodes in the second period a second voltage configuration received between the two electrodes deflects light of an image displayed by the pixel unit corresponding to the electro-optic modulation medium to a second projection direction
- the adjacent electro-optic modulation unit is according to two of the adjacent electro-optic modulation units in the first period of time a second voltage configuration received between the first electrode and the at least one second electrode as the common electrode deflects light of an image displayed by the pixel unit corresponding to the electro-optic modulation medium of the adjacent electro-optic modulation unit to a second projection direction
- the arrangement direction of the at least two second electrodes is different from the arrangement direction of the at least two first electrodes,
- the at least two first electrodes respectively receive at least two voltages
- the at least two second electrodes receive the reference voltage as a common electrode
- at least two One electrode receives a reference voltage as a common electrode
- at least two second electrodes respectively receive at least two voltages.
- each of the plurality of electro-optic modulation units includes a plurality of second electrodes for respectively receiving a plurality of voltages, wherein the plurality of voltages The at least two voltages are different, such that the electro-optic modulation medium generates an off-axis lens under the action of an electric field formed by a plurality of voltages received by the plurality of second electrodes and a reference voltage received by the at least two first electrodes as the common electrode Function, used to deflect light to a preset projection direction.
- each of the plurality of electro-optic modulation units includes two second electrodes and is connected to the two second electrodes Resistive film, two second electrodes for respectively receiving two voltages, wherein the two voltages are different, such that the electro-optic modulation medium receives two voltages at the two second electrodes and at least two first electrodes as common electrodes
- the function of the electric field formed by the received reference voltage produces a lens with a linear phase tilt for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units is configured as a common electrode in a third period of time a third voltage configuration received between the at least two first electrodes and the at least two second electrodes deflects light of an image displayed by the pixel unit corresponding to the electro-optic modulation medium to a third projection direction, and a fourth voltage configuration received between the at least two first electrodes of the common electrode and the at least two second electrodes deflects light of an image displayed by the pixel unit corresponding to the electro-optic modulation medium to a fourth projection direction, wherein the third voltage The configuration is different from the fourth voltage configuration to form a time-varying electric field in the third period and the fourth period.
- each of the plurality of electro-optic modulation units includes two second electrodes and a resistor connected between the two second electrodes Membrane, two second electrodes respectively for receiving two voltages, wherein the two voltages are different, the two voltages received by the medium at the two second electrodes and the reference voltage received by the at least two first electrodes as the common electrode
- the function of the formed electric field produces a lens with a linear phase tilt for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units is in accordance with the two first electrodes and at least two of the common electrodes in the third period
- the third voltage configuration received by the second electrodes deflects the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium to the third projection direction, and according to the two first electrodes and the two electrodes as the common electrode in the fourth period a fourth voltage configuration received on the second electrode, deflecting light of an image displayed by the pixel unit corresponding to the electro-optic modulation medium to a fourth projection direction, and receiving a fourth between the adjacent electric electrode and the at least two second electrodes a voltage configuration that deflects light of an image displayed by a pixel unit corresponding to an electro-optic modulation medium of an adjacent electro-optic modulation unit to a fourth projection direction, and according to the two first electrodes of the adjacent electro-optic modulation unit in a fourth period a third voltage configuration
- the electro-optic modulation medium comprises a liquid crystal or a lithium niobate crystal.
- each electro-optic modulation unit has a width of less than or equal to 75 ⁇ m.
- the electro-optic modulation unit includes a unit length in at least one direction of the stereoscopic imaging device The number of electrodes is greater than the number of pixel cells.
- the electro-optic modulation layer causes the display panel to assume a two-dimensional image without applying an electric field.
- a stereoscopic imaging device including: a display panel including a plurality of pixel units for displaying an image; an electro-optic modulation layer comprising a plurality of electro-optic modulation units, wherein at least two of the plurality of electro-optic surfaces An electrode and at least two second electrodes located on a light incident surface of the electro-optic modulation medium layer, the electro-optic modulation medium is configured according to an electric field formed by a voltage configuration received between the at least two first electrodes and the at least two second electrodes The light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium is deflected to a predetermined projection direction, and the arrangement direction of the at least two first electrodes and the arrangement direction of the at least two second electrodes are different.
- the at least two first electrodes respectively receive at least two voltages when the stereoscopic imaging device is in the first direction and receive the reference voltage as the common electrode when the stereoscopic imaging device is in the second direction
- at least two The second electrodes receive the reference voltage as a common electrode when the stereoscopic imaging device is in the first direction, and receive at least two voltages when the stereoscopic imaging device is in the second direction.
- each of the plurality of electro-optic modulation units includes a plurality of first electrodes for respectively receiving a plurality of voltages, Wherein at least two of the plurality of voltages are different, such that the electro-optic modulation medium is generated by the electric field formed by the plurality of voltages received by the plurality of first electrodes and the reference voltage received by the at least two second electrodes as the common electrode Off-axis lens function for deflecting light to a preset Projection direction; each of the plurality of electro-optic modulation units includes a plurality of second electrodes for respectively receiving a plurality of voltages, wherein at least two of the plurality of voltages are different, such that the electro-optic modulation medium is in a plurality of The function of the off-axis lens is generated by the electric field formed by the plurality of voltages received by the two electrodes and the reference voltage received by the at least two first electrodes as the common electrode for deflecting the light to
- the resistive film between the first electrodes, the two first electrodes are respectively configured to receive two voltages, wherein the two voltages are different
- the electro-optical modulation medium is configured to generate a lens having a linear phase tilt under the action of an electric field formed by two voltages received by the two first electrodes and a reference voltage received by the common electrode for deflecting the light to a predetermined projection a direction; each of the plurality of electro-optic modulation units includes two second electrodes and a resistive film connected between the two second electrodes, and the at least two second electrodes include two second electrodes for respectively Receiving two voltages, wherein the two voltages are different, such that the electro-optic modulation medium is generated by the electric field formed by the two voltages received by the two second electrodes and the reference voltage received by the at least two first electrodes as the common electrode
- the resistive film between the first electrodes, the two first electrodes are respectively used to receive two voltages, two of which are electrically
- the electro-optical modulation medium generates a function of a lens having a linear phase tilt under the action of an electric field formed by two voltages received by the two first electrodes and a reference voltage received by the at least two second electrodes as a common electrode for the light Deflection to a predetermined projection direction; each of the plurality of electro-optic modulation units includes two second electrodes and a resistive film connected between the two second electrodes, the two second electrodes respectively for receiving two Voltages in which two voltages are different, and each electro-optic modulation unit shares a second electrode with an adjacent electro-optic modulation unit such that the electro-optic modulation medium receives two voltages at the two second electrodes and at least two as common electrodes The function of the electric field formed by the reference voltage received by the second electrode to produce a lens having a linear phase
- the display panel displays an image in a time division manner, and the plurality of electro-optic modulation units And illuminating the light of the image displayed by the plurality of pixel units to different projection directions alternately according to the time-varying electric field formed by the received voltage configuration, wherein the plurality of electro-optic modulation units correspond to the plurality of pixel units, and the time division changes The electric field changes synchronously with the image displayed in a time division manner.
- a display comprising: the above stereoscopic imaging device; a backlight layer superimposed with an electro-optic modulation layer of the stereoscopic imaging device for emitting a backlight; and a control module for controlling the display panel of the stereoscopic imaging device according to The image is displayed in a time division manner, and the electro-optic modulation layer of the stereoscopic imaging device is controlled to alternately deflect the light of the image displayed by the display panel to different projection directions according to the applied electric field of the time division.
- the control module includes: a direction calculation sub-module, configured to calculate a projection direction of the image according to information fed back by the sensor; and a voltage calculation sub-module, configured to calculate a voltage configuration corresponding to the projection direction according to the projection direction a display control sub-module for controlling the sub-module according to the projection direction for controlling the electric field of the time-division change applied by the electro-optic modulation layer of the stereoscopic imaging device according to the voltage configuration, so as to control the electro-optic modulation layer of the stereoscopic imaging device to alternate the light of the image
- the ground is deflected to different projection directions.
- the information fed back by the sensor includes at least one of human eye position information, gyroscope information, acceleration information, and temperature information.
- a stereoscopic imaging method including: displaying an image in a time division manner on a plurality of pixel units; applying a time-varying electric field on the plurality of electro-optic modulation units; and selecting a plurality of pixel units according to an electric field that varies according to time division
- the light rays of the displayed image are alternately deflected to different projection directions, wherein the time-varying electric field changes synchronously with the image displayed in a time division manner.
- the plurality of pixel units correspond to the plurality of electro-optic modulation units
- applying a time-varying electric field on the plurality of electro-optic modulation units includes: each pixel unit in the plurality of pixel units
- the received voltage between the at least one first electrode and the at least one second electrode layer is configured to form an electric field.
- receiving a voltage configuration between at least one first electrode and at least one second electrode layer of each of the plurality of pixel units forms an electric field
- the method includes: receiving at least two voltages on at least two first electrodes of each of the plurality of electro-optic modulation units, and receiving a reference voltage on the at least one second electrode.
- the two voltages are less, and the reference voltage is received on the at least one second electrode, including: in the multiple electro-optic modulation units Receiving a plurality of voltages on each of the plurality of first electrodes of each electro-optic modulation unit, wherein at least two of the plurality of voltages are different, such that the plurality of electro-optic modulation units receive the plurality of voltages on the plurality of first electrodes and at least The function of the electric field formed by the reference voltage received on a second electrode produces an off-axis lens for deflecting the light to a predetermined projection direction.
- the two voltages are less, and the reference voltage is received on the at least one second electrode, including: in the multiple electro-optic modulation units Receiving two voltages on each of the two first electrodes of the electro-optic modulation unit to which the resistive film is connected, wherein the two voltages are different, such that the two voltages received by the two electro-optic modulation units at the two first electrodes are at least one
- the function of the electric field formed by the reference voltage received on the two electrodes produces a lens having a linear phase tilt for deflecting the light to a predetermined projection direction.
- the light of the image displayed by the plurality of pixel units is deflected to the electric field according to the time-division variation Different projection directions, comprising: forming, by a first voltage configuration, each of the plurality of electro-optic modulation units is received according to a first voltage period between the at least two first electrodes and the at least one second electrode as a common electrode An electric field that deflects light of an image displayed by a pixel unit corresponding to each electro-optic modulation unit to a first projection direction; each of the plurality of electro-optic modulation units is in accordance with at least two first electrodes in a second period of time An electric field formed by the second voltage configuration received between the at least one second electrode of the common electrode deflects light of an image displayed by the pixel unit corresponding to each electro-optic modulation unit to a second projection direction, wherein the first voltage configuration Unlike the second voltage configuration, a time-varying electric
- the two voltages are less, and the reference voltage is received on the at least one second electrode, including: in the multiple electro-optic modulation units Receiving two first electrodes on each of the two first electrodes of the electro-optic modulation unit to which the resistive film is connected, such that each electro-optic modulation unit receives the two voltages received by the two first electrodes and the at least one second electrode
- the electric field formed by the reference voltage produces a linear The function of a phase-inclined lens for deflecting light to a preset projection direction.
- the light of the image displayed by the plurality of pixel units is deflected to different projection directions according to the electric field of time-division variation, including: Each of the electro-optical modulation units emits light of an image displayed by the pixel unit corresponding to each electro-optic modulation unit according to a first voltage configuration received on the two first electrodes and the at least one second electrode in a first period of time Deflection to a first projection direction; each of the plurality of electro-optic modulation units is configured in accordance with a second voltage received on the two first electrodes and the at least one second electrode in a second period of time, and each electro-optic modulation unit The light of the image displayed by the corresponding pixel unit is deflected to the second projection direction; the adjacent electro-optic modulation unit receives the second voltage between the two first electrodes and the at least one second electrode of the adjacent electro-optic modulation unit in the first period of time Disposing, deflect
- the receiving the at least two voltages on the at least two second electrodes respectively including: each of the plurality of electro-optic modulation units The plurality of second electrodes of the electro-optic modulation unit respectively receive a plurality of voltages, wherein at least two of the plurality of voltages are different, such that the plurality of voltages received by the electro-optic modulation unit on the plurality of second electrodes and the common electrode
- the function of the off-axis lens is generated by the electric field formed by the reference voltage received on the at least two first electrodes for deflecting the light to a predetermined projection direction.
- Receiving at least two voltages on the at least two second electrodes respectively comprising: respectively receiving two voltages on the two second electrodes of the electro-optic modulation unit of each of the plurality of electro-optic modulation units connected to the resistive film, wherein two The voltages are different, such that the two voltages received by each electro-optic modulation unit on the two second electrodes and the electric field formed by the reference voltage received on the at least two first electrodes as the common electrode produce a linear phase tilt.
- the function of the lens to deflect the light to a preset projection direction.
- each of the plurality of electro-optic modulation units is in a third time period according to a third voltage configuration received between the at least two first electrodes and the at least two second electrodes as a common electrode, deflecting light of an image displayed by the pixel unit corresponding to each electro-optic modulation unit to a third projection direction;
- Each of the electro-optic modulation units is configured to correspond to each of the electro-optic modulation units according to a fourth voltage configuration received between the at least two first electrodes as the common electrode and the at least two second electrodes in the fourth period
- the light of the image displayed by the pixel unit is deflected to a fourth projection direction, wherein the third voltage configuration is different from the fourth voltage configuration to form a time-varying electric field in the third period and the fourth period.
- the receiving the at least two voltages on the at least two second electrodes respectively including: each of the plurality of electro-optic modulation units Two electro-optic modulation units are respectively connected to the two second electrodes of the resistive film for receiving two voltages, wherein the two voltages are different, and each electro-optic modulation unit shares a second electrode with the adjacent electro-optic modulation unit, so that each The electro-optical modulation unit generates a function of a lens having a linear phase tilt under the action of an electric field formed by two voltages received by the two second electrodes and a reference voltage received on at least two first electrodes as a common electrode, for The light is deflected to the preset projection direction.
- each of the plurality of electro-optic modulation units is in accordance with the two first electrodes and a third voltage configuration received by the at least two second electrodes of the electrode deflects light of an image displayed by the pixel unit corresponding to each electro-optic modulation unit to a third projection direction; each of the plurality of electro-optic modulation units Deviating the light of the image displayed by the pixel unit corresponding to each electro-optic modulation unit to the fourth projection direction according to the fourth voltage configuration received on the two first electrodes and the two second electrodes as the common electrode in the fourth period And the adjacent electro-optic modulation unit is in accordance with the two first electrodes and the at least two seconds as the common electrodes of the adjacent electro-optic modulation unit in the third period a fourth voltage configuration received between the electrodes, deflecting light of an image displayed by the pixel unit corresponding to the adjacent electro-optic modulation unit to a fourth projection direction; and adjacent
- a stereoscopic imaging method including: displaying a voltage between two second electrodes on a plurality of pixel units to form an electric field; and displaying pixel units corresponding to each electro-optic modulation unit according to an electric field
- the light of the image is deflected to a predetermined projection direction, and the arrangement direction of the at least two first electrodes is different from the arrangement direction of the at least two second electrodes.
- receiving a voltage configuration between at least two first electrodes and at least two second electrodes of each of the plurality of electro-optic modulation units forms an electric field, including: in stereo imaging When the device is in the first direction, receiving at least two voltages on the at least two first electrodes, respectively, and receiving the reference voltage as the common electrode by the at least two second electrodes; when the stereoscopic imaging device is in the second direction, at least two The first electrodes receive the reference voltage as a common electrode and receive at least two voltages on the at least two second electrodes.
- the receiving the at least two voltages on the at least two first electrodes respectively includes: receiving multiple a voltage, wherein at least two of the plurality of voltages are different, such that a plurality of voltages received by each of the electro-optic modulation units at the plurality of first electrodes and a reference voltage received on the at least two second electrodes as the common electrode
- the function of the electric field generates an off-axis lens for deflecting the light to a predetermined projection direction
- receiving at least two voltages on the at least two second electrodes comprises: receiving a plurality of the plurality of second electrodes respectively a voltage, wherein at least two of the plurality of voltages are different, such that a plurality of voltages received by each of the electro-optic modulation units at the plurality of second electrodes and a reference voltage received on the at least two first electrodes as the common electrode
- the function of the electric field produces an off-axis lens that deflects the light to a pre
- the at least two voltages are respectively received on the at least two first electrodes, including: two respectively connected with the resistive film Receiving two voltages on one electrode, wherein the two voltages are different, such that each electro-optic modulation unit receives two voltages at the two first electrodes and at least two second electrodes as common electrodes
- the function of the electric field formed by the received reference voltage produces a lens having a linear phase tilt for deflecting the light to a predetermined projection direction
- receiving at least two voltages on the at least two second electrodes comprises: Receiving two voltages on the two second electrodes to which the resistive film is connected, wherein the two voltages are different, such that the two voltages received by the two electro-optic modulation units at the two second electrodes and at least two of the common electrodes
- the function of the electric field formed by the reference voltage received on an electrode produces a lens having a linear phase tilt for deflecting the light to a predetermined projection direction.
- At least two voltages are respectively received on the at least two first electrodes, including: two respectively connected with a resistive film Two electrodes are received on one of the electrodes, wherein the two voltages are different, and each of the electro-optic modulation units shares a first electrode with the adjacent electro-optic modulation unit such that the two voltages received by the two electro-optic modulation units at the two first electrodes are Acting as an electric field formed by a reference voltage received on at least two second electrodes of the common electrode to produce a lens having a linear phase tilt for deflecting the light to a predetermined projection direction, wherein at least two Receiving at least two voltages on the two electrodes, comprising: respectively receiving two voltages on the two second electrodes to which the resistive film is connected, wherein two voltages are respectively received by the two electro-optical modulation units at the two second electrodes a linear phase tilt generated by an electric field formed by a reference voltage received on at least two first
- the plurality of electro-optic modulating units corresponding to the plurality of pixel units-displaying images of different projection directions on the plurality of pixel units including: Displaying an image on a pixel unit in a time division manner, wherein receiving a voltage configuration between at least two first electrodes and at least two second electrodes of each of the plurality of electro-optic modulation units forms an electric field, including: A voltage configuration that receives a time-varying change between at least two first electrodes and at least two second electrodes of each of the electro-optic modulation units forms a time-varying electric field, and the time-varying electric field is displayed in a time-division manner.
- the image changes synchronously.
- the technical solution of the embodiment of the present invention may display images of different directions in a time division manner, and deflect the light of the image displayed by the plurality of pixel units to different directions according to the applied electric field of the time division change, so that each direction is performed.
- the resolution of the rendered image is all pixel units of the display panel, thereby increasing the resolution of the autostereoscopic display.
- FIG. 1 is a schematic structural view of a stereoscopic imaging device according to an embodiment of the present invention.
- Fig. 2 is a schematic view showing the state of liquid crystal molecules before and after an electric field is applied by an electro-optical modulation unit according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of different display states of a stereoscopic imaging device according to an embodiment of the present invention.
- 4 is a schematic structural view of a stereoscopic imaging device according to another embodiment of the present invention.
- Figure 5 is a block diagram showing the structure of a display according to an embodiment of the present invention.
- Figure 6 is a schematic cross-sectional view of a stereoscopic imaging device in accordance with one embodiment of the present invention.
- Figure 7 is a schematic illustration of a stereoscopic imaging device in accordance with another embodiment of the present invention.
- Figure 8 is a schematic illustration of a stereoscopic imaging device in accordance with another embodiment of the present invention.
- FIG. 9 is a schematic diagram of two display states of a stereoscopic imaging device according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of an electrode configuration of a stereoscopic imaging device according to another embodiment of the present invention.
- 11 is a schematic flow chart of a stereoscopic imaging method in accordance with an embodiment of the present invention.
- Figure 12 is a schematic flow chart of a stereoscopic imaging method in accordance with one embodiment of the present invention.
- stereoscopic imaging may refer to three-dimensional display or free stereoscopic display.
- the fixed refractive index microlens array also prevents the stereo imaging device from switching between stereo imaging and two-dimensional imaging, and the stereo imaging effect disappears completely after the stereo imaging device is rotated by 90 degrees.
- each microlens covers a plurality of pixels, crosstalk is caused, that is, one eye sees an image that the other eye should see.
- embodiments of the present invention propose An autostereoscopic display scheme that uses a combination of active (or electrically adjustable) prism arrays and time division multiplexing techniques.
- Fig. 1 is a schematic structural view of a stereoscopic imaging apparatus 100 according to an embodiment of the present invention.
- the stereoscopic imaging device 100 includes a display panel 110 and an electro-optic modulation layer 120.
- the display panel 110 includes a plurality of pixel units (or display units) 111 for displaying images in a time-division manner, for example, displaying images of different projection directions, wherein different projection directions correspond to different viewing directions.
- the electro-optic modulation layer 120 includes a plurality of electro-optic modulation units 121 respectively disposed at positions corresponding to the plurality of pixel units for alternately deflecting light rays of the image displayed by the plurality of pixel units to the electric field E of the applied time division.
- Different projection directions are used to present a stereoscopic image, for example, a stereoscopic image that can be seen by the eye in a central depth plane.
- the plurality of electro-optic modulation units may be disposed directly on the pixel unit or at a position that completely covers or covers a plurality of pixel units, for example, a certain interval (space) between the pixel unit and the electro-optic modulation unit. Or spacers (fillers, separators, insulation boards, etc.)
- the electro-optic modulation layer may be composed of liquid crystal.
- the liquid crystal can change the refractive index after the application of the electric field, and the different electric fields can correspond to different refractive indices, that is, the liquid crystal forms an electrically tunable prism array in the electro-optic modulation layer.
- the electrooptic modulation layer may be composed of other crystal material capable of changing the refractive index when an electric field is applied, for example, may be composed of a strontium silicate crystal.
- the electrodes may be arranged on two opposite planes of the liquid crystal, and the electric field is applied to the liquid crystal by applying a voltage to the electrodes.
- each electro-optic modulation unit includes a liquid crystal which corresponds to a microlens after application of an electric field, and a plurality of electric modulation units form a microlens array.
- Fig. 2 is a schematic view showing the state of liquid crystal molecules before and after an electric field is applied by an electro-optical modulation unit according to an embodiment of the present invention.
- the liquid crystal molecules are rod-shaped and uniaxial, and the longitudinal direction of the rod is the long-axis direction.
- the liquid crystal molecules aligned in one plane have their long axes pointing in a specific direction without applying a voltage.
- the applied voltage exceeds the threshold voltage of the liquid crystal, the liquid crystal molecules are redirected, that is, mechanically rotated, so that the phase of the incident light is shifted. This mechanical rotation is caused by the torque generated by the applied voltage induced dipole moment.
- a display pixel (or image pixel) may be constructed, and embodiments according to the present invention are not limited thereto.
- each pixel unit on the display unit 110 may constitute one display pixel.
- the viewing direction corresponding to different projection methods may include a left eye viewing direction (eg, a graph)
- the direction indicated by the solid arrow in 1) and the direction of the right eye (for example, the direction indicated by the dotted arrow in FIG. 1), the embodiment according to the present invention is not limited thereto, for example, different viewing directions may be A plurality of left eye viewing directions and a plurality of right eye viewing directions are included for a plurality of people to simultaneously view stereoscopic images.
- the applied electric field is such that the image in each direction is displayed with all pixels in the time of the visual persistence.
- the time division method used when applying an electric field to a plurality of pixel units can be consistent with the time division manner used when the display panel displays images of different projection directions, so that the human eye can observe multiple image unit representations in different viewing directions. Stereoscopic image.
- each pixel unit displays an image of a first projection direction (for example, corresponding to a right eye observation direction), and an electro-optical modulation unit corresponding to the pixel unit is applied according to the An electric field deflects light emitted by the pixel unit to a first projection direction
- the pixel unit displays an image of a second projection direction (eg, corresponding to a left-eye viewing direction)
- the electro-optic modulation unit is applied according to the The second electric field deflects the light emitted by the pixel unit to a second projection direction.
- the technical solution of the embodiment of the present invention may display images in different directions in a time division manner, and deflect the light of the image displayed by the plurality of pixel units to different directions according to the applied electric field of the time division change, so that each direction is presented.
- the resolution of the image is the entire pixel unit of the display panel, thereby improving the resolution of the autostereoscopic display.
- the electro-optic modulation layer also causes the display panel to present a two-dimensional image without applying an electric field.
- FIG. 3 is a schematic diagram of different display states of a stereoscopic imaging device according to an embodiment of the present invention.
- the liquid crystal in the case where the first electric field is applied, the liquid crystal forms a prism under the action of the first electric field to deflect the light generated by the backlight after entering the display panel to the right eye viewing direction.
- the liquid crystal in the case where a second electric field is applied, the liquid crystal forms a prism under the action of the second electric field to deflect the light generated by the backlight after entering the display panel to the left eye viewing direction.
- the liquid crystal will not deflect the light without applying an electric field, in which case a two-dimensional image can be presented.
- embodiments of the present invention are not limited to displaying all phases in the same time period.
- the image in the same direction as the projection direction may be, for example, in the first period, the first portion of the pixel unit displays the image in the first projection direction, and the second portion of the pixel unit displays the image in the second projection direction, and in the second period, the first portion of the pixel
- the unit displays an image of the second projection direction
- the second partial pixel unit displays the image of the first projection direction, as long as the image displayed by all the pixel units can be observed in different observation directions during the time when the human eye persists, in other words, As long as the sum of the first time period and the second time period is less than the time of the human eye vision persistence.
- one view of the binocular stereo disparity is displayed each time, and the display panel is not spatially divided as in the conventional technical solution, and therefore, has higher resolution than the conventional technique.
- the glass cover may be covered over the electro-optic modulation layer, and other media may be disposed between the display panel and the electro-optic modulation layer and between the electro-optic modulation layer and the cover glass as needed.
- Embodiments of the present invention may provide a special control module to control the display panel to display images of different projection directions in a time division manner, and control the electric field applied on the electro-optic modulation unit to change in a time division manner to display corresponding images in different projection directions. Thereby forming a stereoscopic image that can be observed by the eye.
- the plurality of electro-optic modulation units correspond to the plurality of pixel units
- the electro-optic modulation layer comprises: an electro-optic modulation medium layer
- the electro-modulation medium layer comprises an electro-optic modulation medium, and has a light-emitting surface and a light-incident surface
- An electrode layer comprising an electrode on a light exiting surface of the electro-optic modulation medium layer
- a second electrode layer comprising an electrode on a light incident surface of the electro-optic modulation medium layer
- each of the plurality of electro-optic modulation units comprises an electro-optic light unit
- the electric field formed by the received voltage configuration deflects the light of the image displayed by the pixel unit corresponding to the electro-
- the above electrode may be made of a transparent conductive material, for example, a transparent conductive material such as Indium Tin Oxide (ITO).
- the electro-optic modulation medium may include a crystalline material such as a liquid crystal or a lithium niobate crystal, that is, the electro-optic modulation medium layer may be a liquid crystal layer or other crystal layer.
- the at least one second electrode may be a continuous tantalum transparent conductive film.
- the transparent conductive film electrode is distributed over the inner surface of the cap plate and above the electrolyte substrate, and is used to separate the display panel and the liquid crystal layer in addition to generating an electric field.
- Embodiments of the present invention can be set for each pixel
- the adjustable liquid crystal prism is set, that is, the pixel level adjustable liquid crystal prism is set. Therefore, embodiments of the present invention are capable of eliminating crosstalk between pixels.
- each of the plurality of electro-optic modulation units comprises: at least two first electrodes for respectively receiving at least two voltages, and at least one second electrode as a common electrode for receiving a reference Voltage.
- the at least two first electrodes may be a series of conductive stripes, which may be uniformly distributed or non-uniformly distributed, as long as the effect of enabling the electro-optical modulation unit to generate a microlens or a linear phase when receiving a voltage is can.
- a potential difference between the voltage received on each of the first electrodes and the reference voltage forms a corresponding electric field in the liquid crystal layer.
- the reference voltage can be, for example, 0V.
- each of the plurality of electro-optic modulation units comprises a plurality of first electrodes for respectively receiving a plurality of voltages, wherein at least two of the plurality of voltages are different, such that the electro-optic modulation medium Generating an off-axis lens under the action of an electric field formed by a plurality of voltages received by the plurality of first electrodes and a reference voltage received by the at least one second electrode as a common electrode for deflecting the light to a predetermined projection direction .
- each electro-optic modulation unit may include four first electrodes, one of which is located at the edge of the pixel unit, and the received voltages are VI, V2, V3, and V4, respectively.
- Each electro-optic modulation unit may include more than four or less than four first electrodes. The smoothing characteristics of the liquid crystal make the four electrodes sufficient to produce an approximately smooth phase distribution.
- each of the plurality of electro-optic modulation units comprises two first electrodes and a resistive film connected between the two first electrodes, the two first electrodes being respectively for receiving two a voltage, wherein the two voltages are different, such that the electro-optic modulation medium produces a linear phase tilt under the action of an electric field formed by two voltages received by the two first electrodes and a reference voltage received by the at least one second electrode as a common electrode
- the function of the lens to deflect the light to a preset projection direction.
- the two first electrodes may be two conductive stripes of ITO material disposed along two opposite edges of each electro-optic modulation unit and maintaining a predetermined spacing from the first electrode of the adjacent electro-optic modulation unit.
- the continuous resistive film may be made of a transparent material having a specific resistivity and connected between the two conductive stripes to produce a continuously varying voltage distribution on the resistive film when the two first electrodes receive different voltages, a continuously varying voltage
- the potential difference between the distribution and the reference voltage is covered by a resistive film
- a continuously varying electric field distribution is produced in the liquid crystal layer of the cover, and the continuously varying electric field distribution causes the liquid crystal corresponding to the resistive film to produce a lens having a linear phase tilt for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units is formed in a first period according to a first voltage configuration received between the at least two first electrodes and the at least one second electrode as a common electrode
- the electric field formed by the second voltage configuration deflects the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium to a second projection direction, wherein the first voltage configuration is different from the second voltage configuration, so as to be in the first period and the second period
- the time period forms an electric field that changes in time.
- the common electrode receives the reference voltage, and the at least two first electrodes respectively receive the respective voltages during the first time period and the second time period.
- each of the plurality of electro-optic modulation units comprises two first electrodes and a resistive film connected between the two first electrodes, the two first electrodes respectively for receiving two a voltage in which two voltages are different, and each electro-optic modulation unit shares a first electrode with an adjacent electro-optic modulation unit such that the electro-optic modulation medium receives two voltages at the two first electrodes and at least one second as a common electrode
- the function of the electric field formed by the reference voltage received by the electrode produces a lens having a linear phase tilt for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units is configured to receive a first voltage between the two first electrodes and the at least one second electrode as a common electrode in a first period of time,
- the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium is deflected to the first projection direction, and according to the second voltage configuration received between the two first electrodes and the at least one second electrode as the common electrode in the second period,
- the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium is deflected to the second projection direction, and the adjacent electro-optic modulation unit is in accordance with the two first electrodes of the adjacent electro-optic modulation unit and at least one of the common electrodes in the first period
- the light of the image displayed by the element between the two electrodes is deflected to the second projection direction, and is received according to the first time between the two first electrodes of the adjacent electro-optic modulation unit and the at least one second electrode as the common electrode
- the arrangement direction of the at least two second electrodes is different from the arrangement direction of the at least two first electrodes, and the at least two first electrodes are at least two when the stereoscopic imaging device is in the first direction
- the first electrodes respectively receive at least two voltages
- the at least two second electrodes receive the reference voltage as a common electrode
- the at least two first electrodes receive the reference voltage as a common electrode, and are in stereo
- the imaging device receives at least two voltages when in the second direction
- the at least two second electrodes respectively receive at least two voltages.
- each of the plurality of electro-optic modulation units comprises a plurality of second electrodes for respectively receiving a plurality of voltages, wherein at least two of the plurality of voltages are different, such that the electro-optic modulation medium Generating an off-axis lens under the action of an electric field formed by a plurality of voltages received by the plurality of second electrodes and a reference voltage received by the at least two first electrodes as common electrodes for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units comprises two second electrodes and a resistive film connected between the two second electrodes, the two second electrodes being respectively for receiving two a voltage, wherein the two voltages are different, such that the electro-optic modulation medium produces a linear phase tilt under the action of an electric field formed by two voltages received by the two second electrodes and a reference voltage received by the at least two first electrodes as a common electrode The function of the lens to deflect the light to a preset projection direction.
- each of the plurality of electro-optic modulation units is configured to receive a third voltage between the at least two first electrodes as the common electrode and the at least two second electrodes in a third period of time, Deviating the light of the image displayed by the pixel unit corresponding to the electro-optic modulation medium to the third projection direction, and according to the fourth period, receiving the fourth between the at least two first electrodes as the common electrode and the at least two second electrodes a voltage configuration that deflects light of an image displayed by a pixel unit corresponding to the electro-optic modulation medium to a fourth projection direction, wherein the third voltage configuration is different from the fourth voltage configuration to form a time-varying electric field in the third period and the fourth period .
- each of the plurality of electro-optic modulation units comprises two second electrodes and a resistive film connected between the two second electrodes, the two second electrodes respectively for receiving two a voltage, wherein the two voltages are different, and each of the electro-optic modulation units shares a second electrode with the adjacent electro-optic modulation unit such that the two voltages received by the electro-optic modulation medium at the two second electrodes and at least two of the common electrodes An electric field formed by a reference voltage received by an electrode A function of producing a lens with a linear phase tilt for deflecting light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units is coupled to the electro-optical light according to a third voltage configuration received by the two first electrodes and the at least two second electrodes as the common electrode in the third period of time
- the light of the image displayed by the pixel unit corresponding to the modulation medium is deflected to the third projection direction, and in the fourth period according to the fourth voltage configuration received on the two first electrodes and the two second electrodes as the common electrode,
- the light of the image displayed by the pixel unit corresponding to the modulation medium is deflected to the fourth projection direction, and the adjacent electro-optic modulation unit is in accordance with the two first electrodes and the at least two seconds as the common electrodes of the adjacent electro-optic modulation unit in the third period
- the light of the fourth image received between the electrodes is deflected to the fourth projection direction, and in the fourth period, according to the third received between the two first electrodes of the adjacent electro-optic modulation unit and the two second electrodes as the common electrode
- the width of each electro-optic modulation unit may be less than or equal to 75 ⁇ m.
- the width of each electro-optic modulation unit may be less than or equal to 25 ⁇ .
- the electro-optical modulation unit includes a number of electrodes larger than the number of pixel units per unit length in at least one direction of the stereoscopic imaging device.
- the electro-optical modulation unit corresponding to each pixel unit contains more than one electrode.
- the stereo imaging device 400 includes a display panel 410 and an electro-optic modulation layer 420.
- the display panel 410 includes a plurality of pixel units 411 for displaying images.
- the electro-optic modulation layer 420 includes a plurality of electro-optic modulation units 421, wherein each of the plurality of electro-optic modulation units comprises an electro-optic modulation medium, at least two first electrodes located on a light-emitting surface of the electro-optic modulation medium, and an electro-optic modulation medium layer At least two second electrodes of the light incident surface, the electro-optic modulation medium displays an electric field formed according to a voltage configuration received between the at least two first electrodes and the at least two second electrodes, and displays a pixel unit corresponding to the electro-optic modulation medium
- the light of the image is deflected to a predetermined projection direction, and the arrangement direction of the at least two first electrodes and the arrangement direction of the at least two second electrodes are different.
- the arrangement direction of the at least two first electrodes is perpendicular to the arrangement direction of the at least two second electrodes, or the longitudinal direction of the at least two first electrodes is perpendicular to the longitudinal direction of the at least two second electrodes.
- the at least two first electrodes respectively receive at least two voltages when the stereoscopic imaging device is in the first direction and receive the reference voltage as a common electrode when the stereoscopic imaging device is in the second direction
- at least two second The electrode receives the reference voltage as a common electrode when the stereoscopic imaging device is in the first direction, and receives at least two voltages when the stereoscopic imaging device is in the second direction.
- the at least two first electrodes respectively receive respective voltages, and the at least two second electrodes receive the same reference voltage; when the stereoscopic imaging device is in the second direction And at least two second electrodes respectively receive respective voltages, and the at least two first electrodes receive the same reference voltage.
- each of the plurality of electro-optic modulation units comprises a plurality of first electrodes for respectively receiving a plurality of voltages, wherein at least two of the plurality of voltages are different, such that the electro-optic modulation medium Generating an off-axis lens under the action of an electric field formed by a plurality of voltages received by the plurality of first electrodes and a reference voltage received by the at least two second electrodes as common electrodes for deflecting the light to a predetermined projection Directions; each of the plurality of electro-optic modulation units includes a plurality of second electrodes for respectively receiving a plurality of voltages, wherein at least two of the plurality of voltages are different, such that the electro-optic modulation medium is in the plurality of second
- the function of the off-axis lens is generated by the electric field formed by the plurality of voltages received by the electrodes and the reference voltage received by the at least two first electrodes as the common electrode for deflecting the light to a predetermined projection
- each of the plurality of electro-optic modulation units comprises two first electrodes and a resistive film connected between the two first electrodes, the two first electrodes being respectively for receiving two a voltage, wherein the two voltages are different, such that the electro-optic modulation medium produces a function of a lens having a linear phase tilt under the action of an electric field formed by two voltages received by the two first electrodes and a reference voltage received by the common electrode;
- Each of the electro-optic modulation units includes two second electrodes and a resistive film connected between the two second electrodes, and the at least two second electrodes include two second electrodes for respectively receiving two voltages, Wherein the two voltages are different, such that the electro-optical modulation medium generates a lens having a linear phase tilt under the action of an electric field formed by two voltages received by the two second electrodes and a reference voltage received by the at least two first electrodes as a common electrode Function to deflect light to a preset projection direction.
- each of the plurality of electro-optic modulation units comprises two first electrodes and a resistive film connected between the two first electrodes, the two first electrodes respectively for receiving two Voltage, where two voltages are different, and each electro-optic modulation unit and adjacent electro-optic modulation sheet
- the element shares a first electrode such that the electro-optic modulation medium produces a linear phase tilt under the action of an electric field formed by two voltages received by the two first electrodes and a reference voltage received by the at least two second electrodes as common electrodes
- each of the plurality of electro-optic modulation units comprises two second electrodes and a resistive film connected between the two second electrodes, the two second electrodes respectively for receiving two voltages, wherein The two voltages are different, and each of the electro-optic modulation units shares a second electrode with the adjacent electro-optic modulation unit such that the electro-optic modulation medium receives the two voltages received at the two second electrodes and the at least two second electrodes as the
- the plurality of electro-optic modulation units alternately deflect the rays of the image displayed by the plurality of pixel units to different projection directions according to the time-varying electric field formed by the received voltage configuration, wherein the plurality of electro-optic modulation units and the plurality of pixels Unit - Corresponding, the time-varying electric field changes synchronously with the image displayed in a time-division manner.
- FIG. 5 is a block diagram showing the structure of a display 500 in accordance with one embodiment of the present invention.
- the display 500 includes a stereoscopic imaging device 510, a backlight layer 520, and a control module 530.
- the backlight layer 520 is superimposed on the electro-optic modulation layer of the stereoscopic imaging device for emitting the backlight.
- the stereoscopic imaging device 510 may be the stereoscopic imaging device of the above embodiment.
- the control module 530 is configured to control the display panel of the stereoscopic imaging device to display images of different projection directions in a time division manner, and control the light of the image displayed by the display panel according to the applied electric field of the electro-optic modulation layer of the stereoscopic imaging device according to the applied time division. Alternately deflected to different projection directions.
- control module 530 includes: a direction calculation sub-module 531, a voltage calculation sub-module 532, a voltage control sub-module 533, and a display control sub-module 534.
- the switching of the content of the stereoscopic display needs to be switched with the microlens array or the same content stored in different formats in the cloud.
- the stereoscopic display system will be described below by taking an electrode configuration using a plurality of electrodes as described above as an example.
- the direction calculation sub-module 531 is configured to calculate a projection direction of the image according to the information fed back by the sensor, that is, calculate a projection direction (or a projection angle) of the display content according to the information feedback.
- the direction calculation sub-module 631 can receive the following information feedback: 1) information feedback of the human eye tracking, for example, position information of the human eye; 2) information feedback of the gyroscope; 3) other sensors, for example, an acceleration sensor, a temperature sensor Information feedback.
- Direction calculation submodule 531 The calculation result of the projection direction of the content can be supplied to the voltage calculation sub-module 532.
- the voltage calculation sub-module 532 is configured to calculate a voltage configuration corresponding to the projection direction according to the projection direction, that is, the corresponding voltage configuration can be obtained according to the calculation result of the projection direction of the display content, for example, the voltage of the required electrode is obtained by calculation or look-up table.
- the sequence mode and voltage configuration are input to the voltage control sub-module 533 to control the magnitude of the voltages received by the plurality of electrodes (eg, VI, V2, V3, and V4) to control the electro-optic modulation unit (eg, , the phase characteristics of the electrically adjustable liquid crystal).
- the voltage control sub-module 533 is configured to control a time-varying electric field applied by the electro-optic modulation layer of the stereoscopic imaging device according to the voltage configuration to control the electro-optic modulation layer of the stereoscopic imaging device to alternately deflect the light of the image to different projection directions.
- the display control sub-module 534 is configured to, according to the projection direction, the above-mentioned rotatable stereoscopic imaging device, if the displayed content is stored in the cloud, when the signal of the stereoscopic imaging device rotated by 90 degrees is fed back to the server in the cloud, the cloud server can be identified according to the identification
- the characteristics of the screen of the resulting stereoscopic imaging device convey the content of the rotated stereoscopic display to the stereoscopic imaging device.
- the sensor may include microsensors such as head tracking, eye tracking, viewpoint tracking, gyroscopes, and gravity accelerators.
- a suitable autostereoscopic display axis can be determined according to the feedback information of the transmission sensor, thereby knowing the voltage mode required by the liquid crystal lens array, thereby displaying appropriate stereoscopic display content.
- the stereoscopic imaging device and display of the embodiments of the present invention have been described above.
- the electrode configuration of the stereoscopic imaging device of the embodiment of the present invention is described in detail below.
- FIG. 6 is a schematic cross-sectional view of a stereoscopic imaging device 600 in accordance with one embodiment of the present invention.
- a continuous transparent conductive film ie, a second electrode
- the liquid crystal electro-optic modulation unit for example, a light incident surface
- four conductive stripes first electrodes
- the other side (for example, the light-emitting surface) generates an electric field by receiving a common voltage on the transparent conductive film and receiving a corresponding voltage on the four conductive stripes, thereby causing the corresponding electro-optical modulation unit to produce an off-axis cylindrical lens effect.
- the continuous transparent conductive film may be a single body, and each of the conductive stripes may span a column of pixel units.
- the stereoscopic imaging device 600 includes a display panel 610, a liquid crystal 620, a cover glass 630, a first electrode 640, and a second electrode 650.
- the first electrode 640 is a series of conductive stripes, and the conductive stripes may be uniformly distributed or non-uniformly distributed.
- Five first electrodes may be arranged on each pixel unit, and the edge electrodes of each pixel unit are also edge electrodes of adjacent pixels, such that Four electrodes are actually arranged on average per pixel unit, and respectively receive four voltages VI, V2, V3, and V4, for example, VI, V2, V3, and V4 may be voltages of about 5V, according to an implementation of the present invention.
- the example is not limited thereto, and for example, a voltage between 2.6V and 21V can be selected according to actual needs.
- the second electrode 650 is a continuous transparent conductive film between the display panel 610 and the liquid crystal 620.
- Vn the electrode voltage
- the voltage received on the first electrode can be switched between +Vn and -Vn at a very high frequency (e.g., around 50 Hz) to maintain the smoothness of the direct current (DC) voltage.
- Each pixel unit size can be set to be less than or equal to 75 ⁇ m.
- FIG. 7 is a schematic diagram of a stereoscopic imaging device 700 in accordance with another embodiment of the present invention.
- each electro-optic modulation unit a continuous transparent conductive film (ie, a second electrode) is disposed on one surface (eg, a light incident surface) of the liquid crystal electro-optic modulation unit, and a resistive film (first electrode) is disposed between the conductive stripes
- a continuous transparent conductive film ie, a second electrode
- a resistive film first electrode
- the continuous transparent conductive film may be a whole
- the resistive film connected between the conductive stripes may span a column of pixel units.
- a stereoscopic imaging apparatus 700 includes a display panel 710, a liquid crystal 720, a cover glass 730, a first electrode 740, and a second electrode 750.
- the first electrode 740 is composed of a resistive film connected between two conductive stripes. There is an electrode gap between the first electrodes of adjacent pixel units.
- FIG. 8 is a schematic diagram of a stereoscopic imaging device 800 in accordance with another embodiment of the present invention.
- Figure 8 is a schematic illustration of the stereoscopic imaging device of the embodiment of Figure 8 switching between different states.
- the stereoscopic imaging device 800 includes a display panel 810, a liquid crystal 820, a cover glass 830, a first electrode 840, and a second electrode 850.
- the embodiment of Figure 8 is similar to the embodiment of Figure 7, the first electrode 840 is also connected by two leads
- the resistive film is formed between the electric stripes, except that the embodiment of FIG. 8 uses a scheme of multiplexing conductive stripes, that is, adjacent electro-optic modulation units share one conductive stripe and use time and space interval beam steering.
- each pixel unit has two conductive stripes, and a phase dispersion profile of a triangle can be generated by receiving voltages VI and V2 on the two conductive stripes, as shown by the broken lines in FIG.
- the light passing through the adjacent pixels in the first period (for example, the first image frame) is biased in two different directions (to the left and right eyes directions), respectively.
- FIG. 9 is a schematic diagram of two display states of a stereoscopic imaging device according to an embodiment of the present invention.
- (a) and (b) in Fig. 9 respectively show that the optical behavior characteristics of the corresponding triangular phase patterns in (a) and (b) of Fig. 8 are switched between two different states.
- (a) in Fig. 9 describes the first state in which the pixel unit A deflects the light toward the left eye observation direction, and the pixel unit B deflects the light toward the right eye observation direction.
- the pixel unit 9 describes a second state in which, in the second period, the pixel unit changes the phase mode to cause the exchange of the deflection direction, that is, the pixel unit A deflects the light toward the right eye observation direction, and the pixel unit B directs the light toward The left eye is deflected in the viewing direction.
- FIG. 10 is a schematic diagram of an electrode configuration of a stereoscopic imaging device according to another embodiment of the present invention.
- the electrode configuration of the stereoscopic imaging device may include a plurality of first electrodes distributed on one side (for example, a light-emitting surface) of the liquid crystal layer of the stereoscopic imaging device, and distributed on the other side of the liquid crystal layer of the stereoscopic imaging device. a plurality of second electrodes (light-in areas), wherein the plurality of first electrodes and the plurality of second electrodes may be arranged orthogonally, that is, the first electrode is longitudinally 90 degrees from the longitudinal direction of the second electrode.
- Embodiments of the invention are not limited thereto, for example, the angle between the first electrode and the second electrode may also be less than 90 degrees.
- the first electrode and the second electrode each use a plurality of conductive stripes or include two conductive stripes and a resistive film connected between the two conductive stripes.
- the plurality of first electrodes may receive a voltage required for generating a lens effect, and the plurality of second electrodes as a common electrode receive the same reference voltage.
- the first electrode and the second electrode are orthogonal to each other as an example. It should be understood that the above reference voltage may be greater than 0V, for example, 0.5V.
- the other electrode corresponding to the electrode should receive a pure AC voltage. Plus V. Volt.
- an ITO transparent conductive film electrode may be disposed on the top surface and the bottom surface of the liquid crystal layer, respectively.
- the spacing between adjacent electrodes can be optimized such that when the electrodes on one plane are placed at the same potential, an almost smooth potential distribution is produced near these electrodes.
- the distance between the electrodes on the same liquid crystal plane of the liquid crystal layer may be set to be the same or set to be smaller than the distance between the liquid crystal planes in which the two electrodes are located.
- all electrodes on a liquid crystal plane may receive a voltage of 0 V as a ground plane or receive a certain voltage as a reference plane.
- the electrodes on the other liquid crystal plane receive the voltage required to produce off-axis lens patterns. This ensures that the autostereoscopic display axis is in the corresponding direction.
- the autostereoscopic display axis can be switched to the other direction by exchanging the settings of the voltages on the two electrode planes.
- the time division multiplexing method of the embodiment of the present invention will be described in detail below by taking a liquid crystal lens as an example.
- an off-axis liquid crystal lens or a liquid crystal lens having a phase slope can be quickly switched between different states.
- the switching time T ⁇ 20 ms
- f refresh 25 Hz
- the projection direction Q 4
- One way to reduce the on-time and relaxation time is to overdrive the electrode (ie, receive a high +ve or -ve voltage pulse), and the overdrive electrode method can force the liquid crystal molecules to change toward the desired state. Then, by generating the display backlight pulsatingly, the residual transient switching effect can be avoided. The purpose of this is to ensure that light is not incident on the liquid crystal lens array until the phase distribution of the liquid crystal is stabilized.
- Embodiments in accordance with the present invention are not limited thereto, and other techniques for fast switching may be employed. For example, a configuration of a pi-type optical unit (pi-cell) may be used, and an optical unit whose switching time is planarly aligned is required. A lot faster.
- FIG. 11 is a schematic flow chart of a stereoscopic imaging method in accordance with an embodiment of the present invention.
- the stereoscopic imaging method of 11 includes the following.
- the light of the image displayed by the plurality of pixel units is alternately deflected to different projection directions according to the time-varying electric field, wherein the time-varying electric field changes synchronously with the image displayed in the time division manner.
- a plurality of pixel units correspond to a plurality of electro-optic modulation units, wherein in 1120, at least one first electrode and at least one second electrode of each of the plurality of pixel units may be The received voltage configuration between the layers forms an electric field.
- At least two voltages may be received on at least two first electrodes of each of the plurality of electro-optic modulation units, and the reference voltage is received on the at least one second electrode .
- a plurality of voltages may be respectively received on a plurality of first electrodes of each of the plurality of electro-optic modulation units, wherein at least two of the plurality of voltages are different, Generating an off-axis lens by a plurality of voltages received by the plurality of electro-optic modulation units on the plurality of first electrodes and an electric field formed by the reference voltage received on the at least one second electrode for deflecting the light to a pre- Set the projection direction.
- each of the plurality of electro-optic modulation units may be Two voltages of the electro-optical modulation unit connected to the resistive film receive two voltages, wherein the two voltages are different, such that each electro-optic modulation unit receives two voltages at the two first electrodes and at least one second electrode
- the function of the electric field formed by the received reference voltage produces a lens with a linear phase tilt for deflecting the light to a predetermined projection direction.
- each of the plurality of electro-optic modulation units may receive the first between the at least two first electrodes and the at least one second electrode as the common electrode in the first period of time
- An electric field formed by a voltage configuration deflects light of an image displayed by a pixel unit corresponding to each electro-optic modulation unit to a first projection direction
- each of the plurality of electro-optic modulation units may be at least for a second period of time
- An electric field formed by the second voltage arrangement received between the two first electrodes and the at least one second electrode as the common electrode deflects the light of the image displayed by the pixel unit corresponding to each electro-optic modulation unit to the second projection direction
- the first voltage configuration is different from the second voltage configuration to form a time-varying electric field during the first time period and the second time period.
- two voltages may be received on two first electrodes of each of the plurality of electro-optic modulation units to which the resistive film is connected, wherein two of each of the electro-optic lights are received
- the modulating unit generates a function of a lens having a linear phase tilt under the action of an electric field formed by two voltages received by the two first electrodes and a reference voltage received on the at least one second electrode for deflecting the light to a preset Projection direction.
- each of the plurality of electro-optic modulation units may be configured according to a first voltage received on the two first electrodes and the at least one second electrode in a first period of time
- the light deflection of the image displayed by the pixel unit corresponding to each electro-optic modulation unit is configured according to the second voltage configuration received on the two first electrodes and the at least one second electrode, and the image displayed by the pixel unit corresponding to each electro-optic modulation unit
- the light is deflected to the second projection direction
- the adjacent electro-optic modulation unit may be configured according to the second voltage received between the two first electrodes and the at least one second electrode of the adjacent electro-optic modulation unit in the first period, and the adjacent electro-optic
- the light of the image displayed by the pixel unit corresponding to the modulation unit is deflected to the second projection direction
- the adjacent electro-optic modulation unit may be received according to the second time between the two first electrodes and the at least one second electrode of the adjacent electro-
- the stereoscopic imaging method further includes: receiving the reference voltage on the at least two first electrodes as the common electrode and receiving the at least two voltages on the at least two second electrodes, respectively, when the stereoscopic imaging device is in the second direction.
- a plurality of voltages may be respectively received on a plurality of second electrodes of each of the plurality of electro-optic modulation units, wherein at least two of the plurality of voltages are different, Generating an off-axis lens function by an electric field formed by a plurality of voltages received by each electro-optic modulation unit on the plurality of second electrodes and an electric reference voltage received on at least two of the first electrodes as a common electrode, for The light is deflected to the preset projection direction.
- two voltages may be respectively received on two second electrodes of each of the plurality of electro-optic modulation units to which the resistive film is connected, wherein the two voltages are different, such that Each electro-optic modulation unit produces a function of a lens having a linear phase tilt under the action of an electric field formed by two voltages received on the two second electrodes and a reference voltage received on at least two of the first electrodes as common electrodes.
- each of the plurality of electro-optic modulation units may be received between the at least two first electrodes as the common electrode and the at least two second electrodes in the third period of time a third voltage configuration that deflects light of an image displayed by the pixel unit corresponding to each electro-optic modulation unit to a third projection direction; each of the plurality of electro-optic modulation units may be based on the fourth period as a common electrode a fourth voltage configuration received between the at least two first electrodes and the at least two second electrodes deflects light rays of an image displayed by the pixel unit corresponding to each electro-optic modulation unit to a fourth projection direction, wherein the third voltage configuration Unlike the fourth voltage configuration, a time-varying electric field is formed in the third period and the fourth period.
- two voltages may be respectively received on the two second electrodes of the electro-optic modulation unit of each of the plurality of electro-optic modulation units to which the resistive film is connected, such that each of the electrodes
- the electro-optic modulation unit is generated by the electric field formed by the two voltages received by the two second electrodes and the reference voltage received on the at least two first electrodes as the common electrode.
- each of the plurality of electro-optic modulation units may receive a third voltage according to the two first electrodes and the at least two second electrodes as the common electrode in the third period Configuring to deflect light of an image displayed by a pixel unit corresponding to each electro-optic modulation unit to a third projection direction; each of the plurality of electro-optic modulation units may be based on two stages as a common electrode in a fourth period a fourth voltage configuration received on an electrode and the two second electrodes deflects light of an image displayed by the pixel unit corresponding to each electro-optic modulation unit to a fourth projection direction; the adjacent electro-optic modulation unit may be in a third period according to a fourth voltage configuration received between the two first electrodes as the common electrode and the at least two second electrodes of the adjacent electro-optic modulation unit deflects the light of the image displayed by the pixel unit corresponding to the adjacent electro-optic modulation unit to Four projection directions; the adjacent electro-optic modul
- Figure 12 is a schematic flow chart of a stereoscopic imaging method in accordance with one embodiment of the present invention.
- the stereoscopic imaging method of Fig. 12 includes the following.
- the light of the image displayed by the pixel unit corresponding to each electro-optic modulation unit is deflected to a preset projection direction, and the arrangement direction of the at least two first electrodes and the arrangement direction of the at least two second electrodes are not the same.
- At least two voltages are respectively received on the at least two first electrodes when the stereoscopic imaging device is in the first direction, and the reference voltage is received as the common electrode by the at least two second electrodes; In the second direction, the at least two first electrodes receive the reference voltage as a common electrode and receive at least two voltages on the at least two second electrodes.
- a plurality of voltages may be respectively received at the plurality of first electrodes, wherein at least two of the plurality of voltages are different, such that the plurality of voltages received by the plurality of first electrodes in each of the electro-optic modulation units are used as a common electrode
- the electric field formed by the reference voltage received on the at least two second electrodes generates an off-axis lens function, and can receive a plurality of voltages respectively at the plurality of second electrodes, wherein at least two of the plurality of voltages are different such that a plurality of voltages received by each of the electro-optic modulation units at the plurality of second electrodes and an electric field formed by the reference voltage received on the at least two first electrodes as the common electrode
- the function of the off-axis lens is generated to deflect the light to a preset projection direction.
- two voltages may be respectively received on the two first electrodes to which the resistive film is connected, wherein the two voltages are different, such that the two voltages received by the two electro-optic modulation units at the two first electrodes are used as a common electrode
- the function of the electric field formed by the reference voltage received on the at least two second electrodes produces a lens having a linear phase tilt, and can respectively receive two voltages on the two second electrodes to which the resistive film is connected, wherein
- the two voltages are different such that each electro-optic modulation unit produces a linear phase tilt under the action of an electric field formed by two voltages received by the two second electrodes and a reference voltage received on at least two of the first electrodes as common electrodes
- the function of the lens to deflect the light to a preset projection direction.
- two voltages, one electrode may be respectively received on two first electrodes to which a resistive film is connected, such that each electro-optic modulation unit receives two voltages at the two first electrodes and at least two as common electrodes.
- the function of the electric field formed by the reference voltage received on the second electrode produces a lens having a linear phase tilt, and can respectively receive two voltages on the two second electrodes to which the resistive film is connected, two of which Different, and each electro-optic modulation unit shares a second electrode with an adjacent electro-optic modulation unit such that each electro-optic modulation unit receives two voltages received at the two second electrodes and at least two first electrodes as common electrodes.
- the function of the electric field formed by the reference voltage produces a lens with a linear phase tilt for deflecting the light to a predetermined projection direction.
- the plurality of electro-optic modulation units correspond to a plurality of pixel units, the image thereof, and in 1220, at least two first electrodes of each of the plurality of electro-optic modulation units may be A voltage configuration that applies a time division change between the at least two second electrodes forms a time-varying electric field.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
- the mutual coupling or direct connection or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
- the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
- the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (OM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Ceramic Engineering (AREA)
- Engineering & Computer Science (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
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- Liquid Crystal (AREA)
Abstract
Description
Claims
Priority Applications (4)
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| JP2016526426A JP2016533070A (ja) | 2013-07-19 | 2014-07-08 | 立体撮像装置および方法、ならびにディスプレイ |
| KR1020167002745A KR20160027143A (ko) | 2013-07-19 | 2014-07-08 | 스테레오 이미징 장치 및 방법, 및 디스플레이 |
| EP14825726.4A EP3006997A4 (en) | 2013-07-19 | 2014-07-08 | STEREO IMAGING DEVICE, METHOD AND DISPLAY |
| US14/997,958 US20160131918A1 (en) | 2013-07-19 | 2016-01-18 | Stereoscopic imaging apparatus and method, and display |
Applications Claiming Priority (2)
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|---|---|---|---|
| CN201310307101.9A CN104297929B (zh) | 2013-07-19 | 2013-07-19 | 立体成像的装置、方法和显示器 |
| CN201310307101.9 | 2013-07-19 |
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| US14/997,958 Continuation US20160131918A1 (en) | 2013-07-19 | 2016-01-18 | Stereoscopic imaging apparatus and method, and display |
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| WO2015007171A1 true WO2015007171A1 (zh) | 2015-01-22 |
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| US (1) | US20160131918A1 (zh) |
| EP (1) | EP3006997A4 (zh) |
| JP (1) | JP2016533070A (zh) |
| KR (1) | KR20160027143A (zh) |
| CN (1) | CN104297929B (zh) |
| WO (1) | WO2015007171A1 (zh) |
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| US10459305B2 (en) | 2015-08-03 | 2019-10-29 | Facebook Technologies, Llc | Time-domain adjustment of phase retardation in a liquid crystal grating for a color display |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104297929A (zh) | 2015-01-21 |
| KR20160027143A (ko) | 2016-03-09 |
| JP2016533070A (ja) | 2016-10-20 |
| EP3006997A1 (en) | 2016-04-13 |
| CN104297929B (zh) | 2017-02-08 |
| EP3006997A4 (en) | 2016-06-08 |
| US20160131918A1 (en) | 2016-05-12 |
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