WO2015014100A1 - Dispositif d'imagerie optique - Google Patents

Dispositif d'imagerie optique Download PDF

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Publication number
WO2015014100A1
WO2015014100A1 PCT/CN2014/000726 CN2014000726W WO2015014100A1 WO 2015014100 A1 WO2015014100 A1 WO 2015014100A1 CN 2014000726 W CN2014000726 W CN 2014000726W WO 2015014100 A1 WO2015014100 A1 WO 2015014100A1
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WO
WIPO (PCT)
Prior art keywords
optical
optical imaging
imaging device
housing
optical element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/000726
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English (en)
Chinese (zh)
Inventor
熊全宾
何羽立
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.)
Sitronix Technology Corp
Original Assignee
Sitronix Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sitronix Technology Corp filed Critical Sitronix Technology Corp
Publication of WO2015014100A1 publication Critical patent/WO2015014100A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0127—Head-up displays characterised by optical features comprising devices increasing the depth of field
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0154—Head-up displays characterised by mechanical features with movable elements

Definitions

  • the present invention relates to an image forming apparatus, and more particularly to an optical image forming apparatus. Background technique
  • Various display devices for vehicles have been developed, for example: driving recorders, satellite navigation, head-up displays, etc., in which head-up displays have been widely used.
  • the image displayed is projected on the windshield of the left front or right front of the instrument panel.
  • the user mostly looks at the road ahead.
  • the user wants to view the image displayed by the head-up display while driving, the user needs to move his or her line of sight to the front or right front windshield of the instrument panel seat.
  • the focus of the user's eyes is constantly changing, and the user's attention cannot always be concentrated in the road ahead, which may easily lead to traffic accidents.
  • the present invention provides an optical imaging apparatus in which a user views a display image that is located directly in front and is visually enlarged by the optical imaging apparatus of the present invention, so that the user does not need to change the focal length of the eye during driving, and The occurrence of traffic accidents is avoided, and the optical imaging apparatus of the present invention is small in size, can replace a display element of a larger size, and can control the volume of the optical imaging apparatus.
  • the optical component configuration of the present invention can increase the size of the display element while controlling the volume of the optical imaging device.
  • the HUD driving force for vehicles should be oriented towards providing diversified display information.
  • the size of the internal display unit needs to be increased.
  • the method of a single optical component needs to be set longer, but this will be limited by the space of the instrument panel.
  • the size creates a technical bottleneck.
  • the present invention solves the aforementioned problems by first reducing the display image by the first element and then amplifying the second optical element to shorten the overall optical imaging path of the display element to the second optical element.
  • An optical imaging apparatus includes: a housing; a first optical component disposed in the housing; a second optical component disposed in the housing and located in the first optical On the imaging path of the component; and a display element that is disposed twice as large as the first optical component Outside the focal length, and imaged within the focal length of the second optical component to produce a visually magnified and equivalently located display image at a distance.
  • the object of the present invention and solving the technical problems thereof can be further achieved by the following technical measures.
  • the first optical element and the second optical element are each a convex lens.
  • the first optical element is a convex lens
  • the second optical element is a concave mirror
  • the optical imaging device further includes: a transparent cover disposed on an opening of the housing and located at the visually magnified and equivalently located at a distant transmission path of the display image, wherein at least one of the transparent covers The surface has a film layer.
  • optical imaging device further comprising: a transparent curved cover disposed on an opening of the housing and located on the transmission path of the display image which is visually enlarged and equivalently located at a distance.
  • optical imaging device further comprising: at least one reflective component disposed between the display component and the first optical component and between the first optical component and the second optical component, and located at the display component Display the image's delivery path.
  • the width of the second optical element is greater than the pitch of the eyes of a user.
  • the optical imaging device of the foregoing wherein the housing is disposed in a dashboard seat of a vehicle, the housing being disposed along a curvature of a windshield of the automobile.
  • the display element adjusts the size of the display image according to the distance from a user to the windshield.
  • the display element adjusts the position of the display image in accordance with the amount of shift of the display image which is visually enlarged and equivalently located at a distance.
  • the optical imaging device further includes: an outer casing having two pivoting holes on two sides thereof, the two pivoting shafts of the housing are pivotally connected to the two pivoting holes; and an angle adjusting mechanism disposed on the outer Inside the outer casing, and corresponding to the casing, the angle adjusting mechanism pushes the casing, and the casing rotates relative to the outer casing.
  • the angle adjustment mechanism includes: a driving component disposed in the outer casing; and a pushing component disposed on the driving component, the one end of the pushing component being coupled to the housing, the driving The component drives the pusher element, the pusher element pushing the housing, the housing rotating relative to the outer casing.
  • the optical imaging device of the foregoing further comprising: a sensing element disposed on an outer side of the housing and sensing an ambient brightness or color of an exterior of the optical imaging device, the display element being in accordance with an environment external to the optical imaging device The brightness or color adjusts the brightness of a backlight module of the display element or adjusts the color of a display image displayed by the display element.
  • the optical imaging device of the foregoing further comprising: a light sensing module disposed outside the housing The side has a sensing end, and the sensing end and the center line of the second optical component are both inclined at an angle with respect to a horizontal plane, and the sensing end is oriented in the same direction as the second optical component.
  • the optical sensing module is connected to the housing, and when the housing rotates, the housing simultaneously drives the optical sensing module to rotate, and the sensing end and the center line of the second optical component Both are inclined at an angle relative to the horizontal plane, and the sensing end is automatically oriented in the same direction as the second optical element.
  • the optical imaging device of the foregoing further comprising: a light shielding member disposed corresponding to the second optical component; wherein the light sensing module senses that the amount of exposure of the external sunlight to the optical imaging device exceeds a threshold value, the light perception The measuring module transmits a control signal to the light blocking member, and the light blocking member shields the second optical component according to the control signal.
  • the light shielding member is a shade, a display glass or a single glass.
  • the optical imaging apparatus of the present invention has at least the following advantages and advantageous effects:
  • the optical imaging device of the present invention can first reduce the display image displayed by the display element by the first optical component, and then enlarge the display image reduced by the first optical component by the second optical component, so that the optical imaging device generates amplification and is equivalent.
  • the focal length of the display image located in the far distance is located at a distance, so that the user can see the enlarged display image without changing the focal length of the eye when viewing the distance.
  • the size of the display element of the optical imaging device of the present invention may be increased, and the volume of the optical imaging device may be controlled.
  • the size of the display element is greater than or equal to 1.8 inches, and the display element is to the second optical element.
  • the total length of the optical path is less than or equal to 50 cm.
  • the optical imaging apparatus of the present invention uses at least two optical elements to shorten the distance of the display element to at least two optical elements, thereby shortening the volume of the optical imaging apparatus.
  • the second optical element of the optical imaging device of the present invention has a width greater than the distance between the eyes of the user, allowing the user's eyes to simultaneously view the enlarged display image.
  • the first optical element and the second optical element are designed to be rectangular to reduce the volume of the optical imaging device.
  • the optical imaging apparatus of the present invention is applicable to a vehicle which is disposed along an orphan of the windshield such that the center line of the optical imaging apparatus is inclined with respect to a center line of the user's direct view, thereby effectively avoiding the optical imaging apparatus. Displays the condition in which the image is distorted.
  • the optical imaging apparatus of the present invention can adjust the angle of the second optical element of the optical imaging apparatus relative to the windshield by an angle adjustment mechanism depending on the height of the user, thereby allowing the user to view the complete enlarged display image.
  • the optical imaging apparatus of the present invention can adjust the size of the area of the display image of the display element according to the distance from the user to the windshield, and thereby view the complete enlarged display image.
  • the optical imaging apparatus of the present invention can adjust the position of the display image of the display element according to the offset of the displayed image, and thereby view the complete enlarged display image.
  • the display element of the optical imaging apparatus of the present invention uses an LED backlight module to produce a high brightness display image.
  • the optical imaging device of the present invention further includes a sensing component, the sensing component senses ambient brightness and brightness, and the display component adjusts brightness and color of the LED backlight module according to ambient brightness and color, thereby making the display image generated by the optical imaging device clear Presentation.
  • the LED backlight module of the display element of the optical imaging device of the present invention uses a ceramic substrate as a circuit board, and heat dissipating fins are disposed on one side of the LED backlight module to dissipate heat from the LED backlight module that generates high temperature.
  • the optical imaging device of the present invention has a light sensing module that senses the amount of illumination of the sunlight to the optical imaging device through the light sensing module, and if it exceeds the threshold value, adjusts the angle of the housing or covers the light shielding member to the optical
  • the second optical component of the imaging device is configured to reduce the amount of illumination that the sunlight illuminates to the optical imaging module or block sunlight from passing directly through the second optical component to the optical imaging module, thereby preventing thermal damage to components of the optical imaging module.
  • the light sensing module can be coupled to the housing of the optical imaging device such that the light sensing module rotates as the housing rotates and automatically causes the sensing end of the light sensing module to face the second optical element in the same direction.
  • Figure 1 is a cross-sectional view showing an optical imaging apparatus according to a first embodiment of the present invention.
  • Fig. 2 is a schematic view showing the imaging of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 3 is another schematic imaging view of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 4 is a further schematic view showing the imaging of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 5A is a schematic view of an optical element of a first embodiment of the present invention.
  • Fig. 5B is a schematic view of an optical element of a second embodiment of the present invention.
  • Fig. 6 is a view showing a state of use of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 7A is a schematic view of the optical imaging apparatus of the first embodiment of the present invention with respect to the windshield.
  • Fig. 7B is another schematic view of the optical imaging apparatus of the first embodiment of the present invention with respect to the windshield.
  • Fig. 8 is a view showing another use state of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 9A is a view showing an adjustment of the display image area of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 9B is another schematic view showing the adjustment of the display image area of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 10 is a view showing the adjustment of the optical imaging apparatus of the first embodiment of the present invention and showing the position of the image.
  • Fig. 11 is a schematic diagram of a backlight module of a display element of the optical imaging apparatus of the first embodiment of the present invention.
  • Figure 12 is a sensing schematic view of a sensing element of the optical imaging apparatus of the first embodiment of the present invention.
  • Figure 13 is an enlarged view of a region A of Figure 6 of the present invention.
  • Figure 14 is a schematic diagram of a light sensing module of an optical imaging apparatus according to a third embodiment of the present invention.
  • Fig. 15 is a view showing a state of use of the light sensing module of the optical imaging apparatus of the first embodiment of the present invention.
  • Fig. 16A is a view showing a state of use of a light blocking member of an optical imaging apparatus according to a fourth embodiment of the present invention.
  • Fig. 16B is another view showing the use of the light blocking member of the optical imaging apparatus of the fourth embodiment of the invention.
  • Fig. 17A is a view showing a state of use of a light blocking member of an optical imaging apparatus according to a fifth embodiment of the present invention.
  • Fig. 17B is another view showing the use of the light blocking member of the optical imaging apparatus of the fifth embodiment of the invention.
  • Fig. 18 is a view showing a state of use of a light shielding member of an optical imaging apparatus according to a sixth embodiment of the present invention.
  • Figure 19 is a schematic view of an optical imaging apparatus according to a seventh embodiment of the present invention.
  • Figure 20 is a cross-sectional view showing an optical imaging apparatus of an optical imaging apparatus according to an eighth embodiment of the present invention.
  • Figure 21 is a cross-sectional view showing an optical imaging apparatus of an optical imaging apparatus according to a ninth embodiment of the present invention.
  • Figure 22 is a schematic view showing the imaging of an optical imaging apparatus according to a ninth embodiment of the present invention.
  • Optical imaging device 10 Housing
  • first side wall 102b second side wall
  • pivot axis 110 display component
  • LED backlight module 1104 ceramic substrate
  • heat dissipating component 111 reflective component
  • Transparent cover 1161 film layer
  • Light sensing module 151 sensing end 152: Cylinder 153: Light sensing element
  • Notch 42 Windshield
  • sampling point f focal length
  • P1 viewing area
  • P2 viewing area
  • FIG. 1 and FIG. 2 are respectively a cross-sectional view and an imaging diagram of an optical imaging apparatus according to a first embodiment of the present invention.
  • the optical imaging apparatus 1 of the present embodiment has a housing. 10, a display element 110, a first optical element 113a and a second optical element 113b, the second optical element 113b is disposed in the housing 10, and is located in the opening 100, the first optical element 113a is disposed in the housing 10, And corresponding to the second optical element 113b, that is, the second optical element 113b is located on the imaging path of the first optical element 113a, wherein the first optical element 113a and the second optical element 113b are both convex lenses.
  • the display element 110 is disposed in the housing 10 and is located outside the double focal length of the first optical component 113a.
  • the display image 1101 displayed by the display component 110 generates a reduced display image 1101a through the first optical component 113a, and is imaged.
  • the final reduced display image 1101a is visually magnified by the second optical element 113b and is equivalent to the remotely displayed image 110 ⁇ , such that the user can pass the optical imaging device 1 of the present embodiment.
  • a display image 110 ⁇ that is visually magnified and equivalently located far away is seen.
  • the focal length of the first optical element 113a and the focal length of the second optical element 113b may be the same, for example: the focal length of the first optical element 113a and the second optical element 113b is 10 cm, and the distance between the display element 110 and the first optical element 113a It is 20 cm or more.
  • the focal length of the first optical element 113a and the focal length of the second optical element 113b may also be different, for example: the first optical element 113a
  • the focal length is half of the focal length of the second optical element 113b, so the focal length of the second optical element 113b is 20 cm, and the double focal length of the first optical element 113a is 20 cm, so that the first optical element 113a having the same focal length is used.
  • the second optical element 113b can further shorten the overall distance from the display element 110 to the second optical element 113b, thereby reducing the volume of the optical imaging device 1.
  • the optical imaging device 1 of the present embodiment first reduces and enlarges the display image 1101 displayed by the display element 110. Therefore, the size of the display element 110 of the optical imaging device 1 of the present embodiment can be increased and controlled.
  • the volume of the optical imaging device 1, preferably, the size of the display element 110 is greater than or equal to 1.8 inches, and the overall optical path of the display element 110 to the second optical element 113b is less than or equal to 50 cm.
  • At least one reflective component 111 may be disposed between the display component 110 and the first optical component 113a of the present embodiment.
  • the at least one reflective component 111 is located on the transmission path of the display image 1101 displayed by the display component 110.
  • the path of the display image 110 displayed by the display element 110 to the first optical element 113a is straight, but the display element 110 and the first optical of the embodiment
  • the element 113a is provided with at least one reflective element 111, and the path for transmitting the display image 1101 displayed by the display element 110 to the first optical element 113a is bent to shorten the depth of the optical imaging device 1 and to reduce the optical imaging device 1 volume.
  • FIG. 3 is another schematic diagram of the imaging of the optical imaging apparatus according to the first embodiment of the present invention.
  • a user 2 passes through at least two optical elements 113a from the outside of the optical imaging apparatus 1
  • the reduced display image 1101a generated by the display element 110 via the first optical element 113a is located within the focal length f of the second optical element 113b (as shown in FIG. 2).
  • the user 2 can see the display image 110 ⁇ (virtual image) which is visually enlarged and equivalently located at a distance, and the distance between the display image 110 ⁇ which is enlarged and equivalently located at a distance and the user 2 is greater than 2 meters (the light is passed through)
  • the windshield reflection as shown in Figure 2, is omitted, so that the user 2 can view the distant object 3 or the scene, and can simultaneously view the display image 1101 which is enlarged and equivalent to the far side, and is enlarged and equivalent to the remote display image 1101.
  • the content of can be the information of the remote object 3 or the scene or other reference information, so that the user 2 does not need to change the focal length of his eye, in the distance to watch Objects 3 or scenes can be viewed at the same time as visually magnified and equivalent to the remote display image 110 ⁇ .
  • FIG. 4 is a schematic diagram of still another imaging of the optical imaging apparatus according to the first embodiment of the present invention
  • FIGS. 5A and 5B are respectively a first embodiment of the present invention and A schematic view of a second optical component of the optical imaging device of the second embodiment; in the figure, in order to allow the eyes 2 of the user 2 to simultaneously see the complete enlarged and remotely displayed image 110 ⁇ , the second optical component of the present embodiment
  • the width of 113b is larger than the distance d of the two eyes 21 of the user 2 (the first optical element 113a is omitted in FIG. 4), but the distance d between the eyes 21 of the general user 2 is between 60 and 70 mm.
  • the first optical element 113a and the second optical element The preferred width w of 1 13b can be greater than 70 colors. Since each eye 21 is viewed by the second optical element 113b to produce a viewing area P1, P2, the viewing areas P1, P2 of the two eyes 21 have an overlapping viewing area R, and the display image 1 10 ⁇ produced by the optical imaging device 1 is located at two The eye 21 is viewed in the overlapping viewing area R viewed by the second optical element 1 13b, so that the eyes 21 of the user 2 can simultaneously view the display image 1101 (virtual image) which is enlarged and equivalently located far away.
  • the first optical element 1 13a and the second optical element 1 13b of the present embodiment may be rectangular (as shown in FIG. 5A and FIG. 5B), respectively, so that the volume of the optical imaging apparatus 1 is effectively reduced.
  • FIG. 6 is a view showing a state of use of the optical imaging apparatus according to the first embodiment of the present invention.
  • the housing 10 is located in the instrument panel mount 41.
  • the surface of the instrument panel mount 41 has a notch 41 1 , and the notch 41 1 corresponds to the second optical component 1 13b.
  • the second optical component 1 13b corresponds to a reflective film 422 on the windshield 42.
  • the reflective film 422 is located on the transmission path of the display image 1 101 which is enlarged and equivalently located in the far side, wherein the reflective film 422 can also be a dark film. Or replace the coated glass display area.
  • FIG. 7A and 7B are respectively schematic views of the optical imaging device according to the first embodiment of the present invention with respect to the windshield; in the figure, the windshield 42 has a curved surface. 421, the orphan plane 421 has a curvature.
  • the housing 10 of the optical imaging apparatus 1 of the present embodiment is disposed along the curved surface 421 of the windshield 42 to prevent the user 2 from seeing the distorted display image 1 101.
  • the optical imaging device 1 When the driver's seat 43 is located on the left side of the automobile 4, the optical imaging device 1 is disposed in the instrument panel seat 41 in front of the driver's seat 43 at this time, the casing 10 is disposed along the curved surface 421 of the windshield 42 for the housing 10
  • the center line C1 is inclined to the right by an angle with respect to the center line C2 of the driver's seat 43 of the automobile 4, in other words, the center line C1 of the casing 10 is inclined to the right side of the user 2 with respect to the center line of the direct view of the user 2.
  • the angle depends on the curvature of the orphan plane 421; when the driver's seat 43 is located on the right side of the car 4, the optical imaging device 1 is disposed in the instrument panel seat 41 in front of the driver's seat 43, the center line G1 of the casing 10 is opposite to The center line C2 of the driver's seat 43 is inclined to the left by an angle such that the optical imaging device 1 can be disposed along the curvature of the curved surface 421 of the windshield 42.
  • the angle at which the center line C1 of the casing 10 is inclined to the right or left with respect to the center line C2 of the driver's seat 43 of the automobile 4 is determined according to the curvature of the orphan 421 of the windshield 42, and is further exemplified herein.
  • the angle at which the line G1 is inclined to the right or left with respect to the center line C2 of the driver's seat 43 of the automobile 4 is about 5 degrees.
  • the display component 1 10 when the optical imaging device 1 starts operating, the display component 1 10 generates a display image 1 101, and the display image 1 101 passes through the reflective component 1 11 . It is passed to the first optical element 1 13a and produces a reduced display image 1 101 a (as shown in Figure 2). Then the reduced display image 1 101 a is imaged on the second optical element 1 13b Within one focal length, and by the second optical element 113b, a display image 1 10 ⁇ which is enlarged and equivalently located far away is generated.
  • the display image 1 10 ⁇ which is enlarged and equivalently located far away is transmitted to the reflective film 422, and the reflective film 422 is reflected and enlarged and is equivalent to the remote display image 1 10 ⁇ to the eyes of the user 2, at which time the user 2 will see the enlargement and Equivalent to the remote display image 1 101, (virtual image), so that when the user 2 is driving the car 4, the user 2's line of sight is focused on a distant road condition, and the display image 1 101 can also be viewed. If the focal length of the eye 21 is not changed during driving, the display image 1 10 ⁇ which is enlarged and equivalent to the far side can be viewed, and the information of the current car 4 is obtained by zooming in and displaying the display image 110 ⁇ at a distance. (Example: speed, fuel quantity, speed, temperature, etc.).
  • FIG. 8 is another use state diagram of the optical imaging apparatus according to the first embodiment of the present invention.
  • each user 2 has a different foot length or arm length, and thus sits in the driver's seat.
  • the distance between the user 2 of the 43 and the windshield 42 is also different, so that each user 2 can see the complete enlarged and equivalently located image 1 101 ' in the far distance, according to the user 2 and the windshield 42
  • the distance between the display images 1 101 of the display element 1 10 of the present embodiment is adjusted until the user 2 sees that the image 1 10 ⁇ is completely displayed.
  • the adjustment of the area of the display image 1 101 is adjusted by the built-in processor of the display component 110. Referring to FIG. 9A and FIG. 9B, FIG.
  • FIG. 9A and FIG. 9B are schematic diagrams showing the adjustment display image area of the optical imaging apparatus according to the first embodiment of the present invention.
  • the display element 1 10 of the embodiment has a In the display area 1102, the display image 1101 is located in the display area 1102, and the area thereof may be less than or equal to the area of the display area 1 102.
  • the area adjustment of the display image 1 101 of the display element 1 10 is through the built-in processor of the display element 1 10 and The adjustment is made according to the distance between the user 2 and the windshield 42.
  • the display element 110 is enlarged in accordance with the distance between the user 2 and the windshield 42.
  • the area of the image 1 101 is displayed; otherwise, when the distance between the user 2 and the windshield 42 is increased (ie, the distance between the user 2 and the second optical element 113b is increased), according to the user 2 and the windshield 42
  • the area of the display image 1101 is reduced by the distance.
  • the center of both surfaces of the second optical element 1 13b of the present embodiment may be caused by an error in the manufacturing process, that is, the centers of the two surfaces of the second optical element 1 13b are not on the same straight line, thus causing the optical imaging device 1 to generate The magnified and equivalent display image 1 10 ⁇ in the distance produces an offset, causing the user 2 to be unable to view the full magnification and equivalent to the remote display image 1 101, .
  • the center of both surfaces of the second optical element 1 13b of the present embodiment may be caused by an error in the manufacturing process, that is, the centers of the two surfaces of the second optical element 1 13b are not on the same straight line, thus causing the optical imaging device 1 to generate The magnified and equivalent display image 1 10 ⁇ in the distance produces an offset, causing the user 2 to be unable to view the full magnification and equivalent to the remote display image 1 101, .
  • FIG. 10 is a schematic diagram of the position of the adjusted display image of the optical imaging apparatus according to the first embodiment of the present invention; the user 2 according to the offset of the enlarged display image 110 ⁇ (such as X and Y)
  • the offset of the direction) adjusts the position of the display image 1 101 of the display element 1 10 in the display area 1102, so that the display image 1 10 that is enlarged and equivalently located in the far side is completely presented.
  • the position adjustment of the display image 1 101 is also based on the built-in processor of the display component 1 10
  • the offset of the large and equivalent display image 1 10 ⁇ is adjusted.
  • the optical imaging device 1 of the present embodiment includes an outer casing 12 and an angle adjusting mechanism 13 .
  • the outer casing 12 is pivotally connected to the casing 10 , and each side of the casing 10 has a
  • the pivoting shaft 103 has two pivoting holes 121 corresponding to the two pivoting shafts 103.
  • the two pivoting shafts 103 of the housing 10 are pivotally connected to the two pivoting holes 121 of the outer casing 12 to be sleeved on the housing.
  • the outer side of 10 is such that the housing 10 is rotatable relative to the outer casing 12.
  • the angle adjusting mechanism 13 is disposed in the outer casing 12 and corresponding to the casing 10, and the angle adjusting mechanism 13 pushes the casing 10 to rotate the casing 10 relative to the outer casing 12, thereby adjusting the second optical component 113b relative to the windshield 42. Angle. Therefore, the user 2 can adjust the angle of the second optical element 1 13b relative to the windshield 42 by the angle adjusting mechanism 13 according to the length of the body until the user 2 sees the display image 1 10 ⁇ which is completely enlarged and equivalent to the far distance. .
  • the angle adjusting mechanism 13 of the present embodiment includes a driving component 131 and a pushing component 132.
  • the pushing component 132 is disposed on the driving component 131.
  • the driving component 131 is disposed in the outer casing 12. The one end of the pushing component 132 is connected to the housing 10.
  • the driving element 131 drives the pushing element 132 to advance toward the housing 10
  • the housing 10 is pushed to rotate the housing 10 relative to the outer housing 12, thereby adjusting the angle of the second optical element 113b relative to the windshield 42. Therefore, when the user 2 wants to adjust the angle of the second optical element 1 13b with respect to the windshield 42, the driving element 131 can be activated.
  • the driving component 131 can be a motor, and the pushing component 132 can be a screw.
  • the angle adjusting mechanism 13 can be of other types, and details are not described herein.
  • FIG. 11 is a schematic diagram of a backlight module of a display element of the optical imaging apparatus according to the first embodiment of the present invention.
  • the component 1 10 uses the display element 110 having high brightness, so the backlight module of the display element 1 10 of the present embodiment uses the LED backlight module 1 103, such that the LED backlight module 1 103 can provide a high-brightness display image 1 101,
  • the enlarged display image produced by the optical imaging apparatus 1 of the present embodiment can be clearly viewed by the user.
  • the optical imaging device 1 of the present embodiment further includes a sensing component 14 (such as a CMOS sensor).
  • the sensing component 14 is disposed in the automobile 4, such as in front of the steering wheel, and the sensing component 14 can be disposed on the optical imaging device 1.
  • the brightness of the external environment is sensed, and the display component 1 10 adjusts the brightness of the LED backlight module 1103 according to the ambient brightness and color (as shown in FIG. 11) and adjusts the color of the display image displayed by the display component 1 10, thereby generating clear Display image 1101. Further, how the sensing element 14 senses the ambient brightness is further described. Referring to FIG. 12, FIG. 12, FIG.
  • the measuring component 14 captures the external environment of the optical imaging device 1 and generates an image 5, and then takes a plurality of sampling points 51 on the image 5, and calculates an average value of the brightness values of the sampling points 51, and then displays the component 1 10 adjusts the brightness of the LED backlight module 1103 according to the average value.
  • the above description uses the image 5 to calculate the ambient brightness, and adjusts the light-emitting diode according to the ambient brightness.
  • the brightness of the backlight module 1103. how to adjust the color of the display image displayed by the display component 1 10 according to the environment color of the image 5, which mainly determines the environment color according to the image 5, and then adjusts the color of the display image according to the comparison between the color of the display image and the environment color. , that is, the contrast color of the displayed image and the ambient chromaticity are changed. For example, at night, if the environment color of the captured image 5 is black or dark, then the display element 1 10 can be adjusted. The display image is a bright color. On the other hand, when there is a white car in the daytime or in front of the image, and the environment color of the image 5 thus captured is white or bright, the display element 110 can be adjusted to make the display image dark.
  • the LED backlight module 1 103 is prone to high temperature, so the LED backlight of this embodiment is used.
  • a circuit board of the module 1 103 uses a ceramic substrate 1 104, and a heat dissipating component 1 105 (such as a heat dissipating fin) is added to the rear end of the ceramic substrate 1 104 to discharge the heat generated by the LED backlight module 1 103 to Externally, the temperature of the photodiode backlight module 1103 is further lowered.
  • the optical imaging device 1 of the present embodiment further includes a light sensing module 15 disposed on the outer side of the housing 10 and located in the instrument panel seat 41 of the automobile 4, Referring to FIG. 13, FIG. 13 is an enlarged view of the area A of FIG. 6 of the present invention.
  • the light sensing module 15 has a sensing end 151, and the center line C3 of the second optical element 113b is opposite to a horizontal plane H.
  • the center line C4 of the light sensing module 15 is also inclined by a first angle a1 with respect to a horizontal plane H, such that the second optical element 1 13b of the optical imaging device 1 and the sensing end 151 of the light sensing module 15
  • the exposed surface of the dashboard seat 41 faces in the same direction.
  • the light sensing module 15 of the present embodiment includes a hollow cylinder 152 and a light sensing component 153.
  • the light sensing component 153 is disposed in the cylinder 152 and located at the bottom of the cylinder 152.
  • the upper side of the light sensing element 153 is referred to as a sensing end 151.
  • the light sensing module 15 has other forms. Please refer to FIG. 14.
  • FIG. 14 is a schematic diagram of a light sensing module of the optical imaging device according to the third embodiment of the present invention; the hollow cylinder may also be replaced by two thin plates 154.
  • One of the thin plates 154 has a hole 1541, and the light sensing element 153 is disposed on the other thin plate 154 corresponding to the hole; or the arrangement of the cylindrical body 151 may be omitted directly.
  • FIG. 15 is a view showing a state of use of a light sensing module of an optical imaging apparatus according to a first embodiment of the present invention; in the figure, at least two optical elements 113a, 1 13b and light of the optical imaging apparatus 1
  • the light sensing elements 153 of the sensing module 15 face in the same direction, and the sunlight L outside the automobile 4 is the same as the illumination angle of the second optical element 113b and the light sensing element 153 of the light sensing module 15.
  • the sunlight L outside the automobile 4 passes vertically through the second optical element 1 13b
  • the sunlight L also vertically illuminates the light sensing element 153 of the light sensing module 15 because the sunlight L passes vertically through the second optical element.
  • the transmission path of the sunlight L along the display image 1101 is concentrated on the display element 1 10, causing the display element 1 10 to overheat, and the sunlight L received by the light sensing element 153 at this time
  • the amount of radiation will exceed a threshold value, that is, the amount of exposure of the sunlight L to the optical imaging device 1 in the housing 10 will be exceeded, and a first control signal is transmitted to the angle adjustment mechanism 13, the angle adjustment mechanism 13 receives the first control signal and adjusts the angle of the housing 10 in accordance with the first control signal.
  • the angle of the second optical element 1 13b with respect to the sunlight L is changed, thereby changing the angle of the second optical element 1 13b with respect to the windshield 42, even if the second of the optical imaging device 1
  • the optical element 1 13b and the sensing end 151 of the light sensing module 15 are not oriented in the same direction, so that the sunlight L outside the automobile 4 does not vertically pass through the second optical element 113b, and does not concentrate along the transmission path of the display image.
  • the display element 1 avoids thermal damage to components within the optical imaging device 1.
  • the light sensing component 153 After the angle adjustment of the housing 10, when the sensing of the light sensing component 153 is less than the threshold value, the light sensing component 153 generates a second control signal and transmits a second control signal to the angle adjusting mechanism 13, and the angle adjusting mechanism 13 is The second control signal adjusts the angle of the housing 10 to restore the housing 10 to the original state even if the second optical component 113b of the optical imaging device 1 and the sensing end 151 of the light sensing module 15 face in the same direction (as shown in FIG. 6). Show).
  • FIGS. 16A and 16B are views showing a state of use of a light shielding member of an optical imaging apparatus according to a fourth embodiment of the present invention.
  • the above embodiment is used to adjust the casing by the angle adjusting mechanism 13.
  • the angle of the body 10 is such that the external sunlight L does not vertically pass through the second optical element 113b and enters the optical imaging device 1 along the transmission path of the display image to avoid thermal damage in the optical imaging device 1.
  • the optical imaging device 1 of the present embodiment does not need to adjust the angle of the housing 10, and can prevent the external sunlight L from vertically passing through the second optical element 113b and entering the optical imaging device 1 along the transmission path of the display image.
  • the light sensing module 15 of the example controls the switch or color change of a light blocking member 16 corresponding to the second optical element 1 13b.
  • the light blocking member 16 of the present embodiment is located above the second optical element 1 13b.
  • the light shielding member 16 of the embodiment is a blackout curtain.
  • the light shielding member 16 When the optical imaging device 1 is normally used, the light shielding member 16 is in a closed state, that is, the second optical element 1 13b is not shielded, so that the external sunlight L can pass through the second optical element. 113b is irradiated into the optical imaging device 1; when the optical imaging device 1 is not in normal use, the light shielding member 16 is in an activated state, that is, the second optical element 1 13b is shielded to block the external sunlight L from penetrating the second optical element 1 13b. Enters the optical imaging device 1.
  • the light blocking member 16 of the present embodiment is disposed in the opening 100 of the casing 10 and above the second optical element 1 13b to shield the second optical element 1 13b.
  • the light shielding member 16 of the embodiment can also be disposed on the instrument panel holder 41 and located above the second optical component 113b.
  • the light shielding member 16 only needs to be disposed corresponding to the second optical component 1 13b, that is, the second optical component 1 can be shielded. 13b and blocks or reduces the purpose of sunlight L entering the optical imaging device 1.
  • the light sensing element 153 senses the amount of exposure of the sunlight L to the optical imaging device 1 (ie, the amount of exposure of the sunlight L received by the light sensing element 153) exceeds the threshold value, that is, the external sunlight L directly passes through the first
  • the optical element 1 13b enters the optical imaging device 1
  • the light sensing element 153 generates And transmitting the first control signal to the light shielding member 16, the light shielding member 16 is activated according to the first control signal, so that the light shielding member 16 is in an activated state to shield the second optical component 1 13b, that is, blocking the external sunlight L into the second optical component 1 13b (as shown in Figure 16A).
  • the light sensing element 153 senses that the amount of illumination of the optical imaging device 1 by the sunlight L (ie, the amount of exposure of the sunlight L received by the light sensing element 153) is less than the threshold value, it also indicates that the sunlight L is not vertical. Passing through the second optical element 1 13b, at this time, the light sensing element 153 generates a second control signal and transmits a second control signal to the light blocking member 16, and the light blocking member 16 is turned off according to the second control signal, even if the light blocking member 16 is turned off. Further, the external sunlight L can pass through the second optical element 1 13b, so that the optical imaging apparatus 1 can be normally used (as shown in Fig. 16B).
  • FIG. 17A and 17B, FIG. 17A and FIG. 17B are views showing a state of use of a light shielding member of an optical imaging apparatus according to a fifth embodiment of the present invention.
  • the shade member 16 of the present embodiment is a display glass instead of a shade, wherein the display glass is filled with liquid crystal between the two glasses, and the liquid crystal is controlled to change the display glass to a transparent state, a translucent state or a black state.
  • the light blocking member 16 is controlled by the light sensing element 153 of the light sensing module 15 when the light sensing element 153 senses the amount of illumination of the optical imaging device 1 by the sunlight L (ie, the sunlight L received by the light sensing element 153)
  • the irradiation amount does not exceed the threshold value, that is, the sunlight L does not directly pass through the second optical element 1 13b vertically
  • the light shielding member 16 is in a transparent state, and the light shielding member 16 does not shield the second optical element 1 13b, so that the external sunlight L can enter the optical imaging device 1 through the second optical element 1 13b, so that the optical imaging device 1 can be used normally, as shown in Fig. 17B.
  • the light shielding member 16 When the light sensing element 153 senses that the amount of illumination of the optical imaging device 1 by the sunlight L (ie, the amount of illumination of the sunlight L received by the light sensing element 153) exceeds a threshold value, that is, the sunlight L directly passes through the first The second optical element 113b, at this time, the light shielding member 16 may be selected to be in a translucent state or a black state. As shown in FIG. 17A, when the light shielding member 16 is in a translucent state, the external sunlight L may be reduced to enter through the second optical element 1 13b.
  • the light shielding member 16 of the embodiment can also be disposed in the casing 10 and located below the second optical component 1 13b. The light shielding member 16 only needs to be disposed corresponding to the second optical component 1 13b, and can also block or reduce external sunlight.
  • the fourth embodiment to the sixth embodiment described above both adjust the angle of the housing 10 or activate the light shielding member 16 to shield the second optical element 113b when the amount of exposure of the sunlight L to the optical imaging device 1 exceeds the threshold value during driving by the user. Further, when the automobile 4 is not in use, the angle of the casing 10 may be adjusted or the light shielding member 16 may be actuated to shield the second optical member 113b to protect the optical imaging device 1 from thermal damage of components in the optical imaging device 1.
  • the light sensing module 15 of the above embodiment is disposed on the outer side of the housing 10 and is separated from the housing 10. Please refer to FIG. 19 at the same time. FIG.
  • the light sensing module 15 can also be directly connected to the housing 10.
  • the housing 10 is rotated according to the distance from the user to the windshield 42, the light sensing module 15 can also adjust the light sensing simultaneously with the rotation of the housing 10.
  • the sensing end 151 of the module 15 faces the same direction as the second optical element 1 13b to accurately sense the amount of illumination of the optical imaging device by the sunlight L.
  • FIG. 20 is a cross-sectional view showing an optical imaging apparatus according to an eighth embodiment of the present invention.
  • the first optical element 1 13a and the second optical element 113b of the optical imaging apparatus 1 of the present embodiment are The first optical element 113a is disposed on one side of the second optical element 113b, that is, the second optical element 1 13b is not directly located on the imaging path of the first optical element 1 13a.
  • a reflective element 11 is disposed between the first optical element 1 13a and the second optical element 1 13b.
  • the reflective element 115 is located on the imaging path of the first optical element 1 13a to make the imaging path of the first optical element 1 13a.
  • the first optical element 1 13a and the second optical element 1 13b of the embodiment are arranged in such a manner that the imaging path of the first optical element 1 13a and the imaging path of the second optical element 1 13b are mutually staggered to affect the final amplification. Displays the display quality of the image.
  • FIG. 21 and FIG. 22 are respectively a cross-sectional view and an imaging diagram of an optical imaging apparatus according to a ninth embodiment of the present invention.
  • the second optical of the optical imaging apparatus 1 of the present embodiment is shown.
  • the element 1 13b uses a concave mirror and is disposed within the housing 10 and adjacent to the opening 100 of the housing 10.
  • the display image 1 101 displayed by the display element 1 10 generates a reduced display image 1 101 a through the first optical element 1 13a, and the reduced display image 1 101 a is imaged within the focal length of the second optical element 1 13 and passes through
  • the two optical elements 113b produce a display image 1 10 ⁇ which is visually magnified and equivalently located far away, so that the user can see the enlarged display image 1 101 located at a distance from the optical imaging device 1 .
  • the opening 100 of the casing 10 may be provided with a transparent cover 1 16.
  • the upper and lower surfaces of the transparent cover 1 16 may be respectively coated with a film layer 1161 to compensate for the distortion of the display image 1101 which is enlarged and equivalently located at a distance.
  • the coating layer 1 161 may be selected on one surface of the transparent cover 116; or the transparent cover 116 may be replaced by a transparent curved cover to compensate for the distortion of the display image 1 10 ⁇ which is enlarged and equivalently located in the distance, and will not be described herein. .
  • the shape of the second optical component in the first embodiment, the housing is disposed along the curvature of the windshield, adjusting the angle of the housing according to the height of the driver's seat or adjusting the area of the displayed image, according to the magnification and equivalent Adjusting the position of the display image, adjusting the position of the display module, adjusting the brightness of the backlight module according to the ambient brightness sensed by the sensing element, and adjusting the sunlight to the optical imaging device according to the light sensing module
  • the technical characteristics of adjusting the angle of the housing and adjusting the angle of the housing or controlling the light shielding member to shield the optical imaging device can be used for the optical imaging devices of the eighth embodiment and the ninth embodiment, and will not be described herein.
  • the present invention relates to an optical imaging apparatus comprising: a housing, a display element, a first optical component, and a second optical component, the display component, the first optical component, and the second An optical component is disposed in the housing, the display component is located outside the double focal length of the first optical component, the first optical component reduces a display image displayed by the display component, and is doubled in the second optical component Within the focal length, the second optical component magnifies the display image that is reduced by the first optical component to produce a visually magnified and equivalently located display image so that the user can view the magnification and equivalently located through the optical imaging device.
  • the optical imaging device of the present invention shortens the overall optical imaging path of the display element to the second optical element by using the first optical element and the second optical element, thereby reducing the volume of the optical imaging device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Studio Devices (AREA)
  • Instrument Panels (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

La présente invention porte sur un dispositif d'imagerie optique (1). Le dispositif d'imagerie optique (1) comporte : une coque (10), un élément d'affichage (110), un premier élément optique (113a) et un second élément optique (113b), l'élément d'affichage (110), le premier élément (113a) optique et le second élément optique (113b) étant agencés dans la coque (10), l'élément d'affichage (110) étant positionné à une distance supérieure à deux fois la longueur focale du premier élément optique (113a), une image d'affichage affichée par l'élément d'affichage (110) étant sujette à un zoom arrière effectué par le premier élément optique (113a) et étant imagée à une distance dans la longueur focale du second élément optique (113b), et l'image d'affichage sujette au zoom arrière effectué par le premier élément optique (113a) étant amplifiée par le second élément (113b) optique, de manière à générer l'image d'affichage qui est amplifiée visuellement et qui est positionnée de manière équivalente à distance. L'utilisation du premier élément optique (113a) et du second élément optique (113b) permet au dispositif d'imagerie optique (1) de raccourcir tout le trajet d'imagerie optique depuis l'élément d'affichage (110) vers le second élément optique (113b), réduisant ainsi le volume du dispositif d'imagerie optique (1).
PCT/CN2014/000726 2013-08-01 2014-07-30 Dispositif d'imagerie optique Ceased WO2015014100A1 (fr)

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US201361918068P 2013-12-19 2013-12-19
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WO2015014101A1 (fr) 2015-02-05
CN204256268U (zh) 2015-04-08
CN204009231U (zh) 2014-12-10
CN104142577A (zh) 2014-11-12
CN204009232U (zh) 2014-12-10

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