WO2014012327A1 - Dispositif d'affichage 3d et système d'affichage 3d - Google Patents

Dispositif d'affichage 3d et système d'affichage 3d Download PDF

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Publication number
WO2014012327A1
WO2014012327A1 PCT/CN2012/086220 CN2012086220W WO2014012327A1 WO 2014012327 A1 WO2014012327 A1 WO 2014012327A1 CN 2012086220 W CN2012086220 W CN 2012086220W WO 2014012327 A1 WO2014012327 A1 WO 2014012327A1
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WO
WIPO (PCT)
Prior art keywords
angle
display
array substrate
display device
liquid crystal
Prior art date
Application number
PCT/CN2012/086220
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English (en)
Chinese (zh)
Inventor
张纪
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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.)
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Publication date
Application filed by 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2014012327A1 publication Critical patent/WO2014012327A1/fr

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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
    • G02B30/22—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

Definitions

  • Embodiments of the present invention relate to a 3D display device and a 3D display system including the same. Background technique
  • Three-dimensional (3D) liquid crystal display has become a trend in the display field.
  • the basic principle of 3D liquid crystal display is to use the binocular parallax of human to produce a stereoscopic feeling, that is, to make the left eye image of the left eye and the right eye image of the right eye. .
  • the left and right eye images are a stereo image pair having parallax.
  • 3D liquid crystal display technology based on polarized glasses is a commonly used 3D liquid crystal display technology.
  • the left and right images are projected by the display, and the user uses the polarized glasses matched with the display to distribute the left and right images to the left and right eyes of the user.
  • Polarized glasses use lenses with different polarization directions, so that the light emitted by the display produces a different angle of polarization corresponding to the picture.
  • a conventional polarized glasses-based 3D liquid crystal display adjusts a polarization direction of light emitted from different pixels by arranging a phase difference plate on a side of the color filter substrate of the display panel facing the human eye, and modulates the left eye image and the right eye image. Linearly polarized light that is orthogonal to the polarization direction.
  • the polarization axis of the lens of the left eye is the same as the polarization direction of the linearly polarized light of the image of the left eye
  • the polarization axis of the lens of the right eye is the same as the polarization direction of the linearly polarized light of the image of the right eye, so that the left eye of the person only
  • the image of the left eye can be observed, and the image of the right eye can only be observed by the right eye, so that the eyes of the person can feel the parallax of the image, and the brain can synthesize to produce a stereoscopic effect.
  • the phase difference plate is usually attached to the polarizer on the color filter substrate by an adhesive after being accurately aligned on the display panel, and different phase delays can be generated by using different regions on the phase difference plate, thereby The light of different pixels is emitted in different polarization directions, and the viewer can see the 3D effect by wearing the polarized glasses.
  • phase difference plate type 3D display When the phase difference plate is aligned and attached to the display panel, it is difficult to accurately align, and the accuracy is low, resulting in a low yield of 3D products manufactured in this way, and crosstalk is severe; at the same time, due to more A layer of adhesive and phase difference plate will cause loss of light; and because the distance between the light-emitting point (the red, green and blue light-emitting points on the display substrate) to the phase difference plate is increased, the viewing angle is lowered. These problems have seriously hindered the development of phase difference plate type 3D display.
  • the above conventional polarized glasses-based 3D liquid crystal display can only be driven by interlaced scanning, so that images are combined at the sub-pixel level.
  • a part of the pixels on the display display the content of the left eye image, and some pixels display the content of the right eye image.
  • the polarized glasses can make the display of a part of the pixels visible only by the right eye, and the display of the other part of the pixels can only be seen by the left eye. To, to create a three-dimensional feeling. This type of drive will reduce the resolution of the display by half. Summary of the invention
  • Embodiments of the present invention provide a 3D display device and a 3D display system which are simple in manufacturing process, reduced in process precision, and low in cost.
  • An embodiment of the present invention provides a 3D display device, where the 3D display device includes a display panel, and the display panel includes an array substrate, a color filter substrate opposite to the array substrate, and between the array substrate and the color filter substrate.
  • Filled liquid crystal the device controls the rotation of the liquid crystal molecules by the driving voltage, and in the display period of a stereo image pair, the right eye image displays the moment, driving the liquid crystal molecules to be deflected to the first angle, so that the polarization of the linearly polarized light incident by the array substrate The direction is rotated to the first angle, and at the time of displaying the left eye image, the liquid crystal molecules are driven to be deflected to a second angle such that the polarization direction of the linearly polarized light incident by the array substrate is rotated to the second angle, the first angle There is a set difference between the second angle and the second angle.
  • the display panel may further include a backlight, and the light emitted from the backlight is linearly polarized light.
  • the display panel may further include a backlight, the light emitted from the backlight is nonlinearly polarized light, and the polarizer is disposed on the array substrate.
  • the polarizer may be disposed on a side of the array substrate facing the backlight, or the polarizer may be disposed on a side of the array substrate facing the color filter substrate.
  • the set difference may be ⁇ 90. .
  • the display panel may have a refresh rate of not less than 120 Hz.
  • Embodiments of the present invention also provide a 3D display system including the above 3D display device and polarized glasses.
  • the optical axis angle of the right-eye polarizing plate of the polarizing glasses may be parallel to the first angle
  • the optical axis angle of the left-eye polarizing plate may be parallel to the second angle
  • 3D display device and system according to embodiments of the present invention have simple manufacturing process and process precision requirements The reduction is also reduced, and the cost is also reduced; in addition, the display resolution is improved because it is not limited to the driving method of interlaced scanning.
  • FIG. 1 is a schematic diagram showing the principle of displaying a right eye image in a 3D display device and system according to an embodiment of the invention
  • FIG. 2 is a schematic diagram showing the principle of display of a left eye image in a 3D display device and system according to an embodiment of the invention. detailed description
  • the liquid crystal display controls the deflection of the liquid crystal molecules according to the signal voltage, thereby controlling the transmittance of the polarized light through the display panel, thereby realizing color display images of various gray scales.
  • a 3D display device includes a display panel including a backlight (not shown), an array substrate 1, a color filter substrate 2 opposite to the array substrate 1, and an array substrate.
  • 1 is a liquid crystal 3 filled between the color filter substrate 2.
  • the display device of the embodiment of the present invention controls the liquid crystal molecules of the liquid crystal display panel to rotate by the driving voltage, and drives the liquid crystal molecules to be deflected to the first angle A1 in the display period of the right-eye image during the display period of the stereo image pair having the phase difference.
  • the set difference A1-A2 may be, for example, ⁇ 90. .
  • an embodiment of the present invention further provides a 3D display system including the above 3D display device.
  • the 3D display system may further include polarizing glasses 4 as shown in Figs. 1-2, which may be disposed between the display panel and the human eye.
  • the optical axis angle of the right-eye polarizing plate of the polarizing glasses 4 is parallel to the first angle A1
  • the optical axis angle of the left-eye polarizing plate is parallel to the second angle A2.
  • the optical axis of the right-eye polarizing plate is parallel to A1
  • the optical axis of the left-eye polarizing plate is parallel to A2, so that the right eye can only see the right-eye image while the image is being displayed.
  • the left eye can only see the left eye image and the left eye image is not seen, thereby achieving 3D display.
  • the light incident from the array substrate 1 (toward the color filter substrate 2) is linearly polarized light, and when the light emitted from the backlight source is nonlinearly polarized light,
  • the 3D display device and the 3D display system of the embodiment of the present invention are provided with a polarizer (not shown) on the side of the array substrate 1 on which the backlight substrate 1 is disposed facing the backlight, and no polarized light is disposed on the color filter substrate 2.
  • the film such a structure makes the production process simple, not only reduces the cost, but also reduces the requirements on the process precision.
  • the polarizer may be disposed on the side of the array substrate 1 facing the color filter substrate 2, and the polarizer is not disposed on the color filter substrate 2.
  • the light emitted from the backlight source is linearly polarized light, it is not necessary to provide a polarizer on the array substrate 1 and the color filter substrate 2.
  • the 3D display device and the 3D display system provided by the embodiments of the present invention can drive the polarized light of the right eye image through the color filter substrate 2 at the first moment by driving the driving voltage without using the driving method of the interlaced scanning.
  • the polarized light of the left eye image passes through the color filter substrate 2 at the second moment (as shown in FIG. 2 ), or the polarized light of the left eye image passes through the color filter substrate 2 at the first moment, and the right eye image The polarized light passes through the color filter substrate 2 at the second timing.
  • the 3D display device and the 3D display system of the embodiment of the present invention have higher resolution than the conventional 3D display device and system.
  • the refresh rate of the display panel may be not less than 120 Hz.
  • the polarized glasses at the first moment of image display, when the polarized light of the left-eye image passes through the color filter substrate, the liquid crystal deflection angle A2 corresponding to the P1-R (corresponding to the R sub-pixel), the polarized glasses
  • the left-eye polarizer has an optical axis angle parallel to A2 and can completely transmit P1-R polarized light, while P1-G (corresponding to G sub-pixel) and P1-B (corresponding to B sub-pixel) correspond to liquid crystal opaque.
  • the left eye sees that the P1 pixel is a red dot;
  • the liquid crystal deflection angle A1 corresponding to P1-G when the right eye image polarized light passes through the color filter substrate, and the light of the right eye polarizing plate of the polarized glasses The axis angle is parallel to A1, and can completely transmit the polarized light of P1-G, while the liquid crystal corresponding to Pl-R and P1-B is opaque, so that the right eye sees that the P1 pixel is a green dot.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

L'invention porte sur un dispositif d'affichage 3D et sur un système d'affichage 3D. Le dispositif d'affichage 3D comprend un panneau d'affichage comprenant un substrat de matrice (1), un substrat de film coloré (2) en regard du substrat de matrice (1), et des cristaux liquides (3) remplissant l'espace entre le substrat de matrice (1) et le substrat de film coloré (2). Le dispositif d'affichage (3D) commande la rotation des molécules de cristaux liquides au moyen d'une tension d'excitation. Durant un cycle d'affichage d'une paire d'images stéréoscopiques, les molécules de cristaux liquides sont excitées pour dévier jusqu'à un premier angle (A1) au moment d'affichage d'une image d'œil droit de manière à faire tourner jusqu'au premier angle (A1) la direction de polarisation de la lumière polarisée linéairement incidente en provenance du substrat de matrice (1), et les molécules de cristaux liquides sont excitées pour dévier jusqu'à un second angle (A2) au moment d'affichage d'une image d'œil gauche de manière à faire tourner jusqu'au second angle (A2) la direction de polarisation de la lumière polarisée linéairement incidente en provenance du substrat de matrice (1), et une valeur de différence définie existe entre le premier angle (A1) et le second angle (A2). Le dispositif d'affichage 3D et le système d'affichage 3D ont un processus de fabrication simple, de faibles exigences de précision de traitement et des coûts réduits, et une résolution d'affichage améliorée.
PCT/CN2012/086220 2012-07-18 2012-12-07 Dispositif d'affichage 3d et système d'affichage 3d WO2014012327A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012102500582A CN102759805A (zh) 2012-07-18 2012-07-18 3d显示装置及系统
CN201210250058.2 2012-07-18

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WO2014012327A1 true WO2014012327A1 (fr) 2014-01-23

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Publication number Priority date Publication date Assignee Title
CN102759805A (zh) * 2012-07-18 2012-10-31 京东方科技集团股份有限公司 3d显示装置及系统
CN104297934A (zh) * 2014-10-22 2015-01-21 天津三星电子有限公司 一种3d显示方法、装置及显示器
CN112902835A (zh) * 2019-12-04 2021-06-04 阳程科技股份有限公司 光学对位检测装置及其检测方法

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CN202182977U (zh) * 2011-07-21 2012-04-04 信利半导体有限公司 一种3d显示系统
CN102759805A (zh) * 2012-07-18 2012-10-31 京东方科技集团股份有限公司 3d显示装置及系统

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TWI414823B (zh) * 2008-09-05 2013-11-11 Au Optronics Corp 立體顯示器及其製作方法以及控制方法
CN101359099B (zh) * 2008-09-23 2010-07-07 友达光电股份有限公司 立体显示器及其制作方法以及控制方法
CN102074037B (zh) * 2009-11-24 2014-04-16 Tcl集团股份有限公司 一种3d图像显示的处理装置及其处理方法

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Publication number Priority date Publication date Assignee Title
CN101556390A (zh) * 2008-04-09 2009-10-14 北京京东方光电科技有限公司 用于三维显示装置的开关面板和液晶显示系统
CN102116961A (zh) * 2009-12-30 2011-07-06 乐金显示有限公司 三维图像系统
CN102162958A (zh) * 2011-04-07 2011-08-24 昆山龙腾光电有限公司 立体显示系统
CN202182977U (zh) * 2011-07-21 2012-04-04 信利半导体有限公司 一种3d显示系统
CN102404597A (zh) * 2011-11-17 2012-04-04 华映视讯（吴江）有限公司 三维立体显示方法、显示装置及显示系统
CN102759805A (zh) * 2012-07-18 2012-10-31 京东方科技集团股份有限公司 3d显示装置及系统

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