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WO2012079246A1 - Dispositif d'affichage stéréoscopique - Google Patents

Dispositif d'affichage stéréoscopique Download PDF

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Publication number
WO2012079246A1
WO2012079246A1 PCT/CN2010/079940 CN2010079940W WO2012079246A1 WO 2012079246 A1 WO2012079246 A1 WO 2012079246A1 CN 2010079940 W CN2010079940 W CN 2010079940W WO 2012079246 A1 WO2012079246 A1 WO 2012079246A1
Authority
WO
WIPO (PCT)
Prior art keywords
reflective
display device
display panel
mirror
light
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/CN2010/079940
Other languages
English (en)
Chinese (zh)
Inventor
喻子达
李聃
王袭
班春迎
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.)
Haier Group Corp
Haier Group Technology Research and Development Center
Original Assignee
Haier Group Corp
Haier Group Technology Research and Development Center
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 Haier Group Corp, Haier Group Technology Research and Development Center filed Critical Haier Group Corp
Priority to PCT/CN2010/079940 priority Critical patent/WO2012079246A1/fr
Publication of WO2012079246A1 publication Critical patent/WO2012079246A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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. 3D slide viewers
    • G02B30/35—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using reflective optical elements in the optical path between the images and the observer
    • 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
    • G02B30/30—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 parallax barriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers

Definitions

  • the present invention relates to a stereoscopic display device, and more particularly to a parallax barrier type stereoscopic display device.
  • FIG. 1 is a schematic view showing the operation of a conventional parallax barrier type stereoscopic display device.
  • the conventional parallax barrier type stereoscopic display device 100 includes a backlight module 110, a display panel 120, and a vertical fence-like parallax barrier 130.
  • the backlight module 110 provides backlighting for the display panel 120.
  • the display panel 120 is provided with a plurality of left-eye image pixels 122 and a plurality of right-eye image pixels 123, and left-eye image pixels 122 and right-eye image pixels 123 are alternately disposed.
  • the left eye image pixels 122 are adapted to provide a left eye image
  • the right eye image pixels 123 are adapted to provide a right eye image. Since the line of sight of the left eye 142 and the right eye 143 of the user is different through the angle of the parallax barrier 130, the left eye image and the right eye image can be respectively received to achieve a stereoscopic display effect.
  • the invention provides a stereoscopic display device, which can effectively improve the brightness of a stereoscopic display screen.
  • the present invention provides a stereoscopic display device, which includes a backlight module, a display panel and a parallax barrier, which are sequentially arranged.
  • the backlight module provides backlight for the display panel
  • the parallax barrier includes a plurality of light shielding portions and adjacent light shielding portions. A plurality of light transmitting portions are formed at intervals.
  • the stereoscopic display device further includes a reflective sheet and a mirror.
  • the mirror and the parallax barrier are respectively located on opposite sides of the reflective sheet.
  • the reflective sheet is disposed on a side of the parallax barrier adjacent to the display panel, and the reflective sheet is reflective near the surface of the display panel.
  • the position of the reflecting surface corresponds to the light shielding portion.
  • the mirror is adapted to transmit light through the backlight module a line, and reflecting light that is opposite to the direction of travel of the outgoing ray.
  • the mirror is located between the display panel and the reflective sheet, and a plurality of V-shaped grooves are formed on the reflective surface of the reflective sheet, the V-shaped groove is a micro structure, and each V-shaped groove has two A mutually perpendicular inner surface.
  • the mirror is located between the display panel and the reflective sheet, and the reflective surface of the reflective sheet is provided with a plurality of triangular pyramid-shaped grooves, and the triangular pyramid-shaped grooves are micro structures, each of the tapered grooves. It has three mutually perpendicular inner surfaces.
  • the mirror is located between the backlight module and the display panel, and the reflective surface of the reflective sheet is provided with a plurality of V-shaped grooves, and the V-shaped grooves are micro structures, each The V-groove has two mutually perpendicular inner surfaces.
  • the mirror is located between the backlight module and the display panel, and the reflective surface of the reflective sheet is provided with a plurality of triangular pyramid-shaped grooves, and the triangular pyramid-shaped grooves are micro structures. Each tapered groove has three mutually perpendicular inner surfaces.
  • the mirror is located between the display panel and the reflective sheet, and the reflecting surface of the reflecting sheet is a flat surface.
  • the mirror is located between the backlight module and the display panel, and the reflective surface of the reflective sheet is a flat surface.
  • the reflective sheet is made of a polypropylene material and a plurality of reflective particles added to the polypropylene material, and the material of the reflective particles is titanium dioxide or barium sulfate.
  • the mirror is a dielectric reflective film or a highly reflective metal film, and a plurality of openings are formed on the dielectric reflective film or the highly reflective metal film to allow the light emitted from the backlight module to pass through. Over.
  • the reflection sheet described above is integrally formed with the parallax barrier.
  • a side of the parallax barrier adjacent to the display panel is provided with a reflective sheet, and light from the display panel and directed to the light shielding portion of the parallax barrier is reflected by the reflective sheet, and the light reflected by the reflective sheet is further
  • the mirror reflects, allowing more light to enter the user's left and right eyes, increasing the brightness of the display. Meanwhile, when the brightness demand is a certain value, the stereoscopic display device of the present invention is light in weight.
  • FIG. 1 is a schematic view showing the operation of a conventional parallax barrier type stereoscopic display device.
  • FIG. 2 is a schematic structural view of a stereoscopic display device according to a first embodiment of the present invention.
  • Fig. 3 is an enlarged view of a region III shown in Fig. 2.
  • FIG. 4 is a schematic structural view of a stereoscopic display device according to a second embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a stereoscopic display device according to a third embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a stereoscopic display device according to a fourth embodiment of the present invention.
  • FIG. 7 is a schematic structural view of a reflection sheet of a stereoscopic display device according to a fifth embodiment of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION The specific embodiments, structures, features and effects of the stereoscopic display device according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
  • the stereoscopic display device 200 of the first embodiment of the present invention includes a backlight module 210 , a display panel 220 , a mirror Mirror 230 , a reflective sheet 240 , and a vertical fence-shaped parallax barrier 250 . .
  • the backlight module 210 is adapted to provide backlighting for the display panel 220, and the backlight module 210 can be an edge-lit or direct-lit backlight module.
  • the display panel 220 can be a liquid crystal display panel.
  • the display panel 220 is provided with a plurality of left-eye image pixels 222 and a plurality of right-eye image pixels 223, and the left-eye image pixels 222 and the right-eye image pixels 223 are alternately disposed.
  • the left eye image pixel 222 is adapted to provide a left eye image
  • the right eye image pixel 223 is adapted to provide For the right eye image.
  • the mirror 230 and the parallax barrier 250 are respectively located on opposite sides of the reflection sheet 240.
  • the mirror 230 is adapted to transmit the light emitted from the backlight module 210 and reflect the light opposite to the traveling direction of the emitted light.
  • the mirror 230 may be a dielectric reflective film or a highly reflective metal film, and a plurality of openings are formed on the dielectric reflective film or the highly reflective metal film to allow the light emitted from the backlight module 210 to pass through, wherein the dielectric reflective film It may be a film made of indium tin oxide and titanium dioxide, and the highly reflective metal film may be a film made of metal aluminum or silver titanium alloy.
  • the reflective sheet 240 is in the form of a longitudinal fence.
  • the surface of the display panel 220 is a plurality of reflective surfaces 242.
  • Each of the reflective surfaces 242 is provided with a V-shaped groove 243.
  • the V-shaped groove 243 is a micro-structure having a first perpendicular to each other.
  • the reflection sheet 240 may be made of a polypropylene material and a plurality of reflective particles added to the polypropylene material, and the material of the reflection particles may be titanium dioxide or barium sulfate, and thus, the reflection sheet 240 has better reflection properties.
  • the material of the reflective sheet 240 is not limited thereto, and it may also be made of other suitable materials having reflective properties.
  • the parallax barrier 250 includes a plurality of light blocking portions 252, and the adjacent light blocking portions 252 are spaced apart to form a plurality of light transmitting portions 253, and the light blocking portions 252 and the light transmitting portions 253 are alternately disposed.
  • the reflective sheet 240 is disposed on a side of the parallax barrier 250 adjacent to the mirror 230.
  • the reflective sheet 240 includes a reflective surface 242 and a back surface (not labeled) opposite to the reflective surface 242.
  • the reflective surface 242 is closer to the mirror 230 than the back surface.
  • the position and number of the reflecting surfaces 242 correspond to the light shielding portion 252.
  • the light transmitting portion 253 controls the traveling direction of the light from the display panel 220, allowing the left eye 262 of the user to receive the left eye image provided by the left eye image pixel 222, and letting the right eye 263 of the user receive the right provided by the right eye image pixel 223.
  • the human eye sees the left eye image and the right eye image to generate a parallax to achieve a stereoscopic display effect.
  • the backlight module 210 provides a backlight to illuminate the display panel 220.
  • Light from each pixel of the display panel 220 is transmitted through the mirror 230 to the parallax barrier 250, wherein a portion of the light, such as the light L1 shown in FIG.
  • the light passing through the light transmitting portion 253 enters the left eye 262 or the right eye 263 of the user, and the other portion of the light that is directed toward the light blocking portion 252 is reflected by the reflecting surface 242 of the reflecting sheet 240 to the mirror 230, and is again reflected by the mirror 230 to be re-reflected.
  • any one of the pixels from the display panel 220 (as shown in FIG.
  • the first inner surface 243a of the V-shaped groove 243 the emitted light L is reflected by the first inner surface 243a and passes through a certain optical path D.
  • the second inner surface 243b is incident on the second inner surface 243b. Since the second inner surface 243b and the first inner surface 243a are perpendicular to each other, the return light L reflected by the second inner surface 243b is parallel to the outgoing light L according to the reflection principle of the light. Further, since the reflecting surface 242 has a micro structure, the optical path D of the outgoing light L reflected from the first inner surface 243a to the second inner surface 243b is small, so that the returning light L substantially coincides with the outgoing light L.
  • reflection sheet 240 After the reflection sheet 240 reflects, it comes from any pixel and is directed to the parallax barrier.
  • the outgoing light L of the light blocking portion 252 of 250 can still return to the position of the pixel, thereby avoiding color interference with the emitted light of other pixels and improving the quality of the display screen.
  • the display panel 220 is provided with a mirror 230.
  • the mirror 230 can reflect the return light L, so that the light loss of any pixel can be avoided, and the outgoing light of the left-eye image pixel 222 and the right-eye image pixel 223 can pass more.
  • the light transmitting portion 253 of the parallax barrier 250 enters the eyes of the user.
  • reflection sheet 240 and the parallax barrier 250 may be integrally formed.
  • FIG. 4 is a schematic structural view of a stereoscopic display device according to a second embodiment of the present invention.
  • the stereoscopic display device 200 of the second embodiment of the present invention is similar to the stereoscopic display device 200 of the first embodiment.
  • each reflective surface 242' is provided with two V-shaped grooves 243'.
  • the V-shaped groove 243' has a first inner surface 243a and a second inner surface 243b which are perpendicular to each other.
  • the present invention does not limit the number of V-shaped grooves 243'.
  • the number of V-shaped grooves 243' can be determined according to the size of the light-shielding portion 252' of the parallax barrier 250', and two or more V-shaped grooves 243 are provided, and The structure of the V-shaped groove 243 is miniaturized, so that the light reflected by the surface of the V-shaped groove 243 can be returned along the original path, thereby avoiding color interference of the emitted light of each pixel, and improving the picture quality of the stereoscopic display device.
  • FIG. 5 is a schematic structural diagram of a stereoscopic display device according to a third embodiment of the present invention.
  • the stereoscopic display device 300 of the third embodiment of the present invention is similar to the stereoscopic display device 200 of the first embodiment, except that the mirror 330 is disposed between the backlight module 310 and the display panel 320.
  • the side of the reflector 340 adjacent to the display panel 320 is a reflective surface 342.
  • the structure of the reflective surface 342 is identical to that of the reflective surface 242 of the first embodiment, and will not be repeatedly described herein.
  • the light emitted from the backlight module 310 passes through the mirror 330 to provide backlight for the display panel 320.
  • the light from each pixel of the display panel 320 is directed to the parallax barrier 350, and some of the light passes through the light transmitting portion 353 and enters the user's left and right.
  • the eyes 362, 363 and the other portion of the light that is directed toward the light blocking portion 352 are reflected by the reflecting surface 342 of the reflecting sheet 340. Because the reflective surface 342 includes two mutually perpendicular surfaces, after being reflected by the reflective sheet 340, it is from any pixel and is directed to the parallax barrier 350.
  • the light emitted from the light blocking portion 352 can still return to the position of the pixel, and color interference with the emitted light of other pixels can be avoided.
  • the light reflected by the reflective sheet 340 and entering the display panel 320 is again reflected by the mirror 330, and further provides backlighting for the display panel 320, so that more light can be utilized, thereby improving light utilization, thereby increasing the brightness of the display screen.
  • the mirror 330 can also reflect external light to provide backlight for the display panel 320, increase the brightness of the display screen, save power, and at the same time help reduce the weight of the stereoscopic display device 300.
  • a V-shaped groove is defined in each reflective surface 342.
  • the number of V-shaped grooves 343 may be determined according to the size of the light shielding portion 352 of the parallax barrier 350. Two or more V-shaped grooves 343 are provided, and the structure of the V-shaped groove 343 is miniaturized as much as possible, so that the light reflected by the surface of the V-shaped groove 343 can be returned along the original path, thereby avoiding the emission of each pixel. The color of the light is disturbed.
  • FIG. 6 is a schematic structural diagram of a stereoscopic display device according to a fourth embodiment of the present invention.
  • the stereoscopic display device 400 of the fourth embodiment of the present invention is similar to the stereoscopic display device 300 of the third embodiment, except that the reflecting surface 442 of the reflective sheet 440 of the stereoscopic display device 400 is a flat surface.
  • the emitted light of the backlight module 410 passes through the mirror 430 to provide backlight for the display panel 420.
  • the light from each pixel of the display panel 420 is directed to the parallax barrier 450, and some of the light passes through the transparent portion 453 and enters the user's left and right.
  • the eyes 462, 463 and the other portion of the light directed toward the light blocking portion 452 are directly reflected by the reflecting surface 442 of the reflecting sheet 440.
  • the light reflected by the reflecting surface 442 and entering the display panel 420 is again reflected by the mirror 430, and further provides backlighting to the display panel 420, thereby increasing the brightness of the display screen.
  • mirror 430 can also reflect ambient light to provide backlighting for display panel 420.
  • the mirror 430 can also be disposed between the display panel 420 and the reflective sheet 440.
  • FIG. 7 is a schematic structural view of a reflection sheet of a stereoscopic display device according to a fifth embodiment of the present invention. It should be noted that, for convenience of explanation, the stereoscopic display device of the fifth embodiment omits the illustration of the backlight module, the mirror, the display panel, and the parallax barrier. Referring to FIG. 7, the stereoscopic display device of the fifth embodiment of the present invention is similar to the stereoscopic display device 300 of the third embodiment. The difference is that each of the reflective surfaces 542 is provided with a plurality of triangular pyramidal grooves 543 and triangular pyramids. The groove 543 has three mutually perpendicular inner surfaces 543a, 543b, 543c.
  • the triangular pyramid groove 543 is a micro structure, According to actual needs, the size and arrangement of the triangular pyramid-shaped grooves 543 are determined.
  • the triangular pyramid groove 543 has three mutually perpendicular inner surfaces 543a, 543b, 543c, the light from the display panel passes through the triangular pyramid groove 543 of the reflection sheet 540 according to the reflection principle of the light. After the surfaces 543a, 543b, and 543c are reflected, they can be returned substantially along the original path, and color interference of the emitted light of each pixel can be avoided.
  • the reflection sheet 540 in FIG. 7 schematically shows four reflection surfaces 542, but the number of the reflection surfaces 542 is not limited thereto, and may be arbitrarily set according to actual needs.
  • the reflection sheet 540 shown in Fig. 7 can also be used in the structure of the stereoscopic display device 200 of the first embodiment, that is, the mirror is located between the display panel and the reflection sheet.
  • the stereoscopic display device of the present invention has at least the following advantages:
  • the parallax barrier is provided with a reflection sheet on one side of the display panel, and the light from the display panel and directed to the light shielding portion of the parallax barrier is reflected by the reflection sheet, and the light reflected by the reflection sheet is reflected by the mirror, thereby allowing More light enters the user's left and right eyes, increasing the brightness of the display. Meanwhile, the stereoscopic display device of the present invention is light in weight when the brightness demand is a certain value.
  • the reflective surface of the reflective sheet is provided with a plurality of V-shaped grooves or a plurality of triangular pyramid-shaped grooves, each of the V-shaped grooves having two mutually perpendicular inner surfaces, each of the tapered grooves having The three mutually perpendicular inner surfaces, the V-shaped groove or the triangular pyramid-shaped groove are all micro-structures, and the reflecting surface can reflect the light that is directed to the light-shielding portion of the parallax barrier and return it substantially along the original path, thereby avoiding The interference of colors between pixels helps to improve the quality of the display.
  • the mirror is disposed between the backlight module and the display panel, and the backlight of the display panel is provided to increase the brightness of the display screen, save power, and reduce the weight of the vertical display device.
  • the stereoscopic display device of the present invention a side of the parallax barrier close to the display panel is provided with a reflection sheet, and light rays from the display panel and directed to the light shielding portion of the parallax barrier are reflected by the reflection sheet, and are reflected by the reflection sheet. The light is then reflected by the mirror, allowing more light to enter the user's left and right eyes, increasing the brightness of the display. Meanwhile, when the brightness demand is a certain value, the stereoscopic display device of the present invention is light in weight.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Stereoscopic And Panoramic Photography (AREA)

Abstract

L'invention concerne un dispositif d'affichage stéréoscopique comprenant un module de rétro-éclairage (310), un panneau d'affichage (320) et une barrière parallaxe (350) disposés tout à tour. La barrière parallaxe comprend plusieurs sections de protection (352) et plusieurs sections de transmission (353) disposées dans les intervalles des sections de protection adjacentes. Le dispositif d'affichage stéréoscopique comprend également un miroir réfléchissant (330) et une feuille réfléchissante (340). Le miroir réfléchissant et la barrière parallaxe sont disposés respectivement sur les côtés opposés de la feuille réfléchissante. La feuille réfléchissante est disposée sur un côté de la barrière parallaxe fermant le panneau d'affichage. La surface de la feuille réfléchissante à proximité du panneau d'affichage comprend plusieurs surfaces réfléchissantes (342). Les positions des surfaces réfléchissantes correspondent aux sections de protection. Le miroir réfléchissant transmet la lumière de sortie du module de rétro-éclairage et réfléchit la lumière dont la direction de propagation est opposée à la lumière de sortie. Le dispositif d'affichage stéréoscopique a pour avantages une grande luminosité et un poids réduit.
PCT/CN2010/079940 2010-12-17 2010-12-17 Dispositif d'affichage stéréoscopique Ceased WO2012079246A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/079940 WO2012079246A1 (fr) 2010-12-17 2010-12-17 Dispositif d'affichage stéréoscopique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/079940 WO2012079246A1 (fr) 2010-12-17 2010-12-17 Dispositif d'affichage stéréoscopique

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WO2012079246A1 true WO2012079246A1 (fr) 2012-06-21

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PCT/CN2010/079940 Ceased WO2012079246A1 (fr) 2010-12-17 2010-12-17 Dispositif d'affichage stéréoscopique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397560A (zh) * 2020-11-10 2021-02-23 武汉华星光电半导体显示技术有限公司 裸眼3d显示面板及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101000406A (zh) * 2007-01-09 2007-07-18 四川大学 无莫尔干扰条纹的裸眼立体显示装置及方法
KR20070109291A (ko) * 2006-05-10 2007-11-15 엘지마이크론 주식회사 3차원 입체영상 필터 및 이를 포함하는 입체화상 표시장치
KR20080001983A (ko) * 2006-06-30 2008-01-04 엘지.필립스 엘시디 주식회사 3차원 영상 표시장치
CN101561571A (zh) * 2009-05-14 2009-10-21 深圳华映显示科技有限公司 一种液晶显示面板及液晶显示装置
WO2010122789A1 (fr) * 2009-04-22 2010-10-28 株式会社フジクラ Afficheur et fenetre d'eclairage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070109291A (ko) * 2006-05-10 2007-11-15 엘지마이크론 주식회사 3차원 입체영상 필터 및 이를 포함하는 입체화상 표시장치
KR20080001983A (ko) * 2006-06-30 2008-01-04 엘지.필립스 엘시디 주식회사 3차원 영상 표시장치
CN101000406A (zh) * 2007-01-09 2007-07-18 四川大学 无莫尔干扰条纹的裸眼立体显示装置及方法
WO2010122789A1 (fr) * 2009-04-22 2010-10-28 株式会社フジクラ Afficheur et fenetre d'eclairage
CN101561571A (zh) * 2009-05-14 2009-10-21 深圳华映显示科技有限公司 一种液晶显示面板及液晶显示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397560A (zh) * 2020-11-10 2021-02-23 武汉华星光电半导体显示技术有限公司 裸眼3d显示面板及其制备方法

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