WO2013137632A1 - Film de cristaux liquides dispersés dans un polymère qui peut commander les caractéristiques de propagation de phase de la lumière polarisée - Google Patents

Film de cristaux liquides dispersés dans un polymère qui peut commander les caractéristiques de propagation de phase de la lumière polarisée Download PDF

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Publication number
WO2013137632A1
WO2013137632A1 PCT/KR2013/001995 KR2013001995W WO2013137632A1 WO 2013137632 A1 WO2013137632 A1 WO 2013137632A1 KR 2013001995 W KR2013001995 W KR 2013001995W WO 2013137632 A1 WO2013137632 A1 WO 2013137632A1
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WIPO (PCT)
Prior art keywords
liquid crystal
polymer dispersed
dispersed liquid
crystal film
polymer
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Ceased
Application number
PCT/KR2013/001995
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English (en)
Korean (ko)
Inventor
송성규
최병대
정석환
정재욱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daegu Gyeongbuk Institute of Science and Technology
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Daegu Gyeongbuk Institute of Science and Technology
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Publication of WO2013137632A1 publication Critical patent/WO2013137632A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
    • 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
    • G02B30/25—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 using polarisation techniques
    • 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F2203/50—Phase-only modulation

Definitions

  • the present invention relates to a polymer dispersed liquid crystal film capable of adjusting the phase delay property of polarized light, and more particularly, to a polarized light to change the phase of polarized light by electrically adjusting the phase delay property of the polymer dispersed liquid crystal layer. It relates to a polymer dispersed liquid crystal film having a phase delay characteristic of.
  • 3D display technology is a technology for making a three-dimensional image by using binocular disparity, it can be divided into a technology for generating binocular disparity by wearing glasses and a glasses-free technique for generating parallax between left and right eyes without glasses.
  • a parallax barrier method is provided between the pixels displaying the left eye image and the right eye image on the display device, and a lenticular lens is installed on the front of the pixel displaying the left and right eye images.
  • a technique for separating the is commonly used.
  • the parallax barrier method the manufacturing is simpler and cheaper than the lenticular lens method.
  • the technology of the lenticular lens method is being actively developed.
  • the display device needs to be free to switch between 2D video and 3D video, rather than a 3D dedicated screen display function.
  • polarization can be implemented through a switchable technology, and a representative method is a shutter glass method.
  • an electrically switchable parallax barrier technology and a lenticular lens technology are used.
  • these methods are disadvantageous in that they can be implemented on the glass substrate and are expensive in manufacturing and are not easy to handle.
  • the liquid crystal oriented on the film substrate disposed above and below should be positioned, and the gap between the upper and lower substrates should not be deformed even if the shape is deformed on the film.
  • LCD-related techniques it is impossible to always maintain a constant gap on a film containing oriented liquid crystals.
  • An object of the present invention for solving the above problems is to provide a polymer dispersed liquid crystal film capable of controlling the phase delay characteristics of the polarization.
  • Another object of the present invention is to form an alignment film on a substrate and form a polymer dispersed liquid crystal layer consisting of a mixed phase of a liquid crystal and a polymer between the alignment substrate to maintain a constant gap and to change the refractive index of the polymer dispersed liquid crystal by an electrical method. It is to provide a polymer dispersed liquid crystal film to control the phase retardation of the polarization of light through.
  • Still another object of the present invention is to provide a three-dimensional stereoscopic display device that can be driven by controlling the phase delay of polarized light using the polymer dispersed liquid crystal film described above.
  • a polymer dispersed liquid crystal film including: two transparent substrates having a transparent electrode formed on one side thereof and the transparent electrodes disposed to face each other; A polymer dispersed liquid crystal layer in which a polymer and a liquid crystal are dispersed at a predetermined composition ratio, and are formed between the transparent substrates on which the transparent electrode is formed; And a liquid crystal alignment layer disposed between the polymer dispersed liquid crystal layer and at least one or more transparent substrates so that the liquid crystals of the polymer dispersed liquid crystal layer are arranged in a direction.
  • a liquid crystal alignment layer disposed between the polymer dispersed liquid crystal layer and at least one or more transparent substrates so that the liquid crystals of the polymer dispersed liquid crystal layer are arranged in a direction.
  • the polymer material constituting the polymer dispersed liquid crystal layer is preferably composed of 40 to 80% by weight of the total weight.
  • the transparent electrode formed on the transparent substrate is preferably patterned so as to selectively control the phase delay of only a specific region.
  • the transparent substrate to which light is incident among the transparent substrates may be configured as a polarizing film.
  • the polymer dispersed liquid crystal film includes a liquid crystal alignment layer on the upper and lower portions of the polymer dispersed liquid crystal layer, respectively, and the upper and lower liquid crystal alignment layers cross each other. It is preferred to have or have a homotropic alignment structure.
  • one of the transparent substrates may be composed of a polarizing film, the other may be composed of a birefringent lens film.
  • the present invention it is possible to provide a polymer dispersed liquid crystal film which can electrically switch the phase delay of polarization.
  • a display device capable of converting 2D / 3D images using the polymer dispersed liquid crystal film according to the present invention.
  • the polymer dispersed liquid crystal film having a phase delay property that can be electrically controlled according to the present invention has a simple manufacturing process and a low cost feature, which can greatly contribute to cost reduction of a 2D / 3D conversion type display device.
  • FIG. 1 is a cross-sectional view illustrating a structure of a polymer dispersed liquid crystal film in which phase delay characteristics of polarization according to a preferred embodiment of the present invention are adjustable.
  • FIG. 2 exemplarily shows a first embodiment of a polymer dispersed liquid crystal film according to a preferred embodiment of the present invention, in which (a) is an operating voltage not applied, and (b) is an operating voltage applied thereto. It shows the state.
  • FIG. 3 is a view illustrating a second embodiment of a polymer dispersed liquid crystal film according to a preferred embodiment of the present invention by way of example, (a) is the operating voltage is not applied, (b) is the operating voltage is applied It shows the state.
  • FIG. 4 is a diagram illustrating a polymer dispersed liquid crystal film according to a second embodiment of the present invention by way of example, (a) is a state in which no operating voltage is applied, and (b) is a state in which an operating voltage is applied. It is.
  • the polymer dispersed liquid crystal film according to the present invention controls the birefringence of the polarized light using the polymer dispersed liquid crystal.
  • the polymer dispersed liquid crystal film 1 is a cross-sectional view illustrating a structure of a polymer dispersed liquid crystal film in which phase delay characteristics of polarization according to a preferred embodiment of the present invention are adjustable.
  • the polymer dispersed liquid crystal film 1 according to the present invention includes two transparent substrates 100, a transparent electrode 110, a liquid crystal alignment layer 120, and a polymer dispersed liquid crystal layer 130. .
  • the two transparent substrates 100 are formed such that a transparent electrode 110 is formed on one side thereof and the transparent electrodes face each other.
  • the polymer dispersed liquid crystal layer 130 is dispersed between a polymer and a liquid crystal at a predetermined ratio, and is formed between the transparent substrate on which the transparent electrode is formed.
  • the liquid crystal alignment layer 120 is disposed between the polymer dispersed liquid crystal layer and the transparent substrate so that the liquid crystals of the polymer dispersed liquid crystal layer are arranged in a direction.
  • the polymer dispersed liquid crystal layer 130 is composed of a liquid crystal and a polymer in a predetermined composition ratio, and the polymer material is preferably composed of 40 to 80% by weight of the total weight.
  • the composition ratio of the polymer and the liquid crystal of the polymer dispersed liquid crystal layer is such that polarization passing through the polymer dispersed liquid crystal layer has a phase retardation characteristic in a state in which an operating voltage is not applied to the transparent electrode. Should be set.
  • the polymer dispersed liquid crystal layer may have a phase delay effect only when the transmittance is 20% or more in a state in which an operating voltage is not applied to the transparent electrode, and thus the polymer dispersed liquid crystal layer may have a transmittance of 20% or more. It is preferable to set the composition ratio of the polymer and the liquid crystal.
  • the transmittance drops to 20% or less due to the increase in the light scattering effect in the state in which the driving voltage is not applied, and as a result, the phase delay effect does not occur.
  • the polymer dispersed liquid crystal layer is composed of 80% by weight or more of the polymer, not only the phase delay effect is generated, but also the operating voltage is increased to 1 kV or more, which makes the operation impossible.
  • the transparent electrode layer 110 may be formed on the transparent substrate, and may be formed of indium tin oxide (ITO), graphene, or the like.
  • ITO indium tin oxide
  • the transparent electrode layer may be patterned so that only a specific region of the patterned region may be selectively adjusted for phase delay.
  • the liquid crystal aligning film may use an inorganic aligning film for inducing alignment by depositing an inorganic material such as SiO 2 or the like, or may form a polyimide film of several tens of nm and then align the surface through a process such as rubbing.
  • an inorganic aligning film for inducing alignment by depositing an inorganic material such as SiO 2 or the like, or may form a polyimide film of several tens of nm and then align the surface through a process such as rubbing.
  • the structure according to the present invention as described above is designed to have a structure that minimizes light scattering by adjusting the composition ratio of the polymer and the liquid crystal of the polymer dispersed liquid crystal layer, unlike the conventional light scattering polymer dispersed liquid crystal film, the alignment film
  • the structure is formed into a structure that imparts directionality of the liquid crystal to cause retardation of incident polarization.
  • a polarizing plate may be further provided between the light source and the polymer dispersed liquid crystal film, or the transparent substrate on the light source incident side of the polymer dispersed liquid crystal film may be configured as a polarizing film.
  • FIG. 2 exemplarily shows a first embodiment of a polymer dispersed liquid crystal film according to a preferred embodiment of the present invention, in which (a) is an operating voltage not applied, and (b) is an operating voltage applied thereto. It shows the state.
  • the alignment structures of the upper liquid crystal alignment layer and the lower liquid crystal alignment layer cross each other to form a twisted structure, and the polymer dispersed liquid crystal is formed between the transparent electrode layers and the liquid crystal in the droplets present in the polymer matrix It is aligned with direction by electrostatic action. Therefore, when an operating voltage or more is applied as shown in FIG. 2B, the phase of polarization can be selectively adjusted.
  • FIG. 3 is a view illustrating a second embodiment of a polymer dispersed liquid crystal film according to a preferred embodiment of the present invention by way of example, (a) is the operating voltage is not applied, (b) is the operating voltage is applied It shows the state.
  • the upper liquid crystal alignment layer and the lower liquid crystal alignment layer form a homotropic alignment structure, and the polymer dispersed liquid crystal is formed between the transparent electrode layers and the liquid crystal in the droplets present in the polymer matrix is caused by electrostatic action. Aligned with direction. Therefore, when an operating voltage or more is applied as shown in FIG. 3B, polarization phase delay can be induced.
  • the light provided from the light source passes through the polarizing plate so that only the polarized light is incident on the polymer dispersed liquid crystal film, and the polarized light incident on the polymer dispersed liquid crystal film is the orientation of the polymer dispersed liquid crystal layer.
  • the phase of polarization is selectively adjusted and a phase delay is induced.
  • the liquid crystal aligning film is disposed on the upper portion of the lower transparent substrate on which the transparent electrode layer is formed, and the liquid crystal capable of suppressing light scattering on the liquid crystal aligning film; After applying the mixed composition of the organic material, the alignment-treated upper transparent substrate is bonded and irradiated with UV light to induce phase separation of the liquid crystal and the polymer to form a polymer dispersed liquid crystal layer between the upper and lower transparent substrates.
  • the main influence on the scattering of light in the structure according to the present invention is the composition ratio of the liquid crystal and the polymer. Examples 1,2,3 and Comparative Examples 1, 2 of such composition ratios are illustrated as follows.
  • Example 1 When the polymer dispersed liquid crystal layer of the polymer dispersed liquid crystal film according to the present invention comprises a weight ratio of 6: 4 to the liquid crystal and the polymer, the transmittance of the polymer dispersed liquid crystal film is 80% or more regardless of driving. Can be implemented.
  • Example 2 When the polymer dispersed liquid crystal layer of the polymer dispersed liquid crystal film according to the present invention comprises a weight ratio of 5: 5 to the liquid crystal and the polymer, the transmittance of the polymer dispersed liquid crystal film is 85% or more regardless of driving. Can be implemented.
  • Example 3 When the polymer dispersed liquid crystal layer of the polymer dispersed liquid crystal film according to the present invention comprises a 4: 6 weight ratio of the liquid crystal and the polymer, the transmittance of the polymer dispersed liquid crystal film is 85% or more regardless of driving. Can be implemented.
  • the transmittance of the polymer dispersed liquid crystal film is 80% or more regardless of driving. It can be implemented. As such, by increasing the transmittance without applying the operating voltage, the phase delay effect can be adjusted.
  • Comparative Example 1 In the polymer dispersed liquid crystal layer of the polymer dispersed liquid crystal film, when the weight ratio of the liquid crystal and the polymer is set to 8: 2, the transmittance of the polymer dispersed liquid crystal film is reduced to 20% or less regardless of driving.
  • Comparative Example 2 When the polymer dispersed liquid crystal layer of the polymer dispersed liquid crystal film was configured to have a weight ratio of liquid crystal and polymer of 9: 1, the transmittance of the polymer dispersed liquid crystal film was reduced to 20% or less regardless of driving.
  • FIG. 4 is a diagram illustrating a polymer dispersed liquid crystal film according to a second embodiment of the present invention by way of example, (a) is a state in which no operating voltage is applied, and (b) is a state in which an operating voltage is applied. It is.
  • the polymer dispersed liquid crystal film according to the second embodiment is similar to the structure of the polymer dispersed liquid crystal film according to the first embodiment described above, except that only the structure of the transparent substrate is different.
  • polarizing films 400 having transparent electrodes and birefringent lens films 440 having transparent electrodes are disposed on both sides of the polymer dispersed liquid crystal layer 430.
  • a liquid crystal alignment film is formed between the polarizing film and the polymer dispersed liquid crystal layer and between the birefringent lens film and the polymer dispersed liquid crystal layer, respectively.
  • the polarized light is dispersed in the polymer dispersed liquid crystal by the polarizing film 400.
  • the phase retardation is transmitted and is incident to the birefringent lens film 450.
  • the phase-retarded polarized light passed through the polymer dispersed liquid crystal layer is output as it is in the birefringent lens film without changing the refractive index.
  • the refractive index of the birefringent lens film used in the polymer dispersed liquid crystal film according to the present embodiment may be appropriately selected and used according to the requirements of the system to be designed.
  • the polymer dispersed liquid crystal film according to the present invention can be very usefully used for 2D and 3D display devices.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Spectroscopy & Molecular Physics (AREA)
PCT/KR2013/001995 2012-03-13 2013-03-13 Film de cristaux liquides dispersés dans un polymère qui peut commander les caractéristiques de propagation de phase de la lumière polarisée Ceased WO2013137632A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120025381A KR101333681B1 (ko) 2012-03-13 2012-03-13 편광의 위상지연 특성을 조절할 수 있는 고분자 분산형 액정 필름
KR10-2012-0025381 2012-03-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3407127A4 (fr) * 2016-08-31 2019-06-26 LG Chem, Ltd. Procédé de fabrication d'un film de cristaux liquides multicouche
CN110286516A (zh) * 2019-08-02 2019-09-27 成都工业学院 一种狭缝节距可变的立体显示装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9696583B2 (en) * 2013-12-27 2017-07-04 Lg Display Co., Ltd. Switchable type display device and method of driving the same
KR101705422B1 (ko) * 2014-02-12 2017-02-09 주식회사 엘지화학 액정 소자
KR102294757B1 (ko) * 2015-04-30 2021-08-30 엘지디스플레이 주식회사 고분자 분산형 액정을 갖는 표시 장치

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH0756145A (ja) * 1993-08-17 1995-03-03 Stanley Electric Co Ltd 液晶表示素子とその製造方法
JP2002040476A (ja) * 2000-07-31 2002-02-06 Casio Comput Co Ltd 液晶表示素子
KR20020084301A (ko) * 2001-04-27 2002-11-05 엘지.필립스 엘시디 주식회사 입체영상 표시장치
KR20070058257A (ko) * 2005-12-03 2007-06-08 엘지.필립스 엘시디 주식회사 폴리머 분산형 액정을 이용한 시야각조절 액정표시장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0756145A (ja) * 1993-08-17 1995-03-03 Stanley Electric Co Ltd 液晶表示素子とその製造方法
JP2002040476A (ja) * 2000-07-31 2002-02-06 Casio Comput Co Ltd 液晶表示素子
KR20020084301A (ko) * 2001-04-27 2002-11-05 엘지.필립스 엘시디 주식회사 입체영상 표시장치
KR20070058257A (ko) * 2005-12-03 2007-06-08 엘지.필립스 엘시디 주식회사 폴리머 분산형 액정을 이용한 시야각조절 액정표시장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3407127A4 (fr) * 2016-08-31 2019-06-26 LG Chem, Ltd. Procédé de fabrication d'un film de cristaux liquides multicouche
US11169417B2 (en) 2016-08-31 2021-11-09 Lg Chem, Ltd. Method for manufacturing of multi-layer liquid crystal film
CN110286516A (zh) * 2019-08-02 2019-09-27 成都工业学院 一种狭缝节距可变的立体显示装置
CN110286516B (zh) * 2019-08-02 2024-02-20 成都工业学院 一种狭缝节距可变的立体显示装置

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KR101333681B1 (ko) 2013-12-02

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