WO2015143791A1 - Bidirectional stereoscopic display apparatus - Google Patents

Bidirectional stereoscopic display apparatus Download PDF

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Publication number
WO2015143791A1
WO2015143791A1 PCT/CN2014/080586 CN2014080586W WO2015143791A1 WO 2015143791 A1 WO2015143791 A1 WO 2015143791A1 CN 2014080586 W CN2014080586 W CN 2014080586W WO 2015143791 A1 WO2015143791 A1 WO 2015143791A1
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Prior art keywords
sub
grating
electrode
pixels
strip
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PCT/CN2014/080586
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French (fr)
Chinese (zh)
Inventor
吴梓平
王新志
郑俊标
何基强
李建华
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信利半导体有限公司
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Publication of WO2015143791A1 publication Critical patent/WO2015143791A1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • 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
    • G02B30/31—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 involving active parallax barriers
    • 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
    • G02B30/32—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 characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size

Definitions

  • the present invention relates to the field of liquid crystal display technology, and more particularly to a two-way stereoscopic display device.
  • the eye-type 3D (three-dimensional) display devices are provided with a liquid crystal grating in front of a 2D (two-dimensional) display screen.
  • 2D display no voltage is applied to the liquid crystal grating, and the transmittance is high, which basically does not affect.
  • 2D display brightness and resolution 3D display, a certain voltage is applied to the electrodes of the liquid crystal grating to form black and white stripes, so that the images seen by the left and right eyes at the same time have a gap, and then the brain is synthesized to produce a three-dimensional effect. .
  • the liquid crystal grating structure of the display device includes a polarizer 00, a first substrate 10, and strip electrodes arranged in parallel in the horizontal direction inside the first substrate 10, that is, the first electrode 11, the box structure.
  • the liquid crystal layer 20, the second substrate 30, and the strip electrodes arranged in parallel in the vertical direction inside the second substrate 30, that is, the second electrode 31, wherein the liquid crystal layer 20 is divided into the first electrode 11 and the second electrode 31 The matrix structure pixels, so that the pixels can be selectively turned on or off according to a preset control method to form a horizontal or vertical raster strip.
  • the invention provides a bidirectional stereoscopic display device, which solves the problem that the color cast phenomenon in the bidirectional stereoscopic display device in the prior art is serious, the cross effect is serious, the viewing angle is small, and the stereoscopic image display effect is effective. Poor problem.
  • the present invention provides the following technical solutions:
  • a dual-directional stereoscopic display device comprising a display screen having a plurality of mutually parallel RGB color bars, further comprising:
  • liquid crystal grating on a side of the display screen, the liquid crystal grating comprising a plurality of vertical grating strips or oblique grating strips arranged in parallel and spaced apart from each other, wherein a direction of the vertical grating strips and RGB in the display screen
  • the direction of the color strip is perpendicular
  • the direction of the oblique strip is at a preset angle with the direction of the RGB strip in the display screen
  • the angle of the preset angle is between 0° and 90 degrees. between.
  • the inclined grating strip when the direction of the inclined grating strip is at a predetermined angle with the direction of the RGB color strips in the display screen, the inclined grating strip has a certain slope, and the absolute value of the slope ranges from 2.7. ⁇ 3.3.
  • the liquid crystal grating comprises:
  • the first electrode located on a side surface of the first substrate facing the liquid crystal layer, the first electrode includes a plurality of first sub-electrodes arranged in parallel with each other, and a direction of the first sub-electrode is in the display screen
  • the direction of the RGB color bars is vertical
  • the second electrode located on a side surface of the second substrate facing the liquid crystal layer, the second electrode includes a plurality of second sub-electrodes arranged in parallel with each other, and a direction of the second sub-electrode is in the display screen
  • the direction of the RGB color bars is at a preset angle.
  • a preset angle between a direction of the second sub-electrode and a direction of the RGB color strip in the display screen, and a direction of the oblique grating strip and a direction of the RGB color strip in the display screen is equal.
  • the first control electrode of the vertical grating strip is an odd numbered first sub-electrode
  • the second control electrode of the vertical grating strip is numbered
  • the common electrode of the vertical grating strip is a second electrode, that is, all of the second sub-electrodes.
  • the first control electrode of the inclined grating strip is an odd numbered second sub-electrode
  • the second control electrode of the inclined grating strip is numbered
  • the common electrode of the oblique grating strip is a first electrode, that is, all of the first sub-electrodes.
  • the display screen includes a plurality of left-eye image display units and a right-eye image display unit, and when the grating strips in the liquid crystal grating are oblique grating strips, the left-eye image unit and the right-eye image unit are along The oblique grating strips are arranged in a direction spaced apart.
  • the left-eye image display unit or the right-eye image unit includes:
  • each of the display modules comprising six sub-modules arranged in sequence in a horizontal direction, each sub-module comprising three sub-pixels arranged in a vertical direction And the first sub-pixel in the latter sub-module is in the same row as the second sub-pixel in the previous sub-module.
  • three subpixels in the first submodule are red subpixels
  • three subpixels in the second submodule are green subpixels
  • three subpixels in the third submodule are For the blue sub-pixel
  • all three sub-pixels in the fourth sub-module are red sub-pixels
  • three sub-pixels in the fifth sub-module are green sub-pixels
  • three sub-pixels in the sixth sub-module are blue sub-pixels. Pixel.
  • each row of each display module includes one red sub-pixel, one blue sub-pixel and one green sub-pixel.
  • the dual-direction stereoscopic display device provided by the present invention has a direction perpendicular to the direction of the RGB color bars in the display screen due to the direction of the grating strips in the liquid crystal grating. Or a preset angle, and the angle of the preset angle is 0. ⁇ 90. Therefore, there is no possibility that the direction of the grating strip is parallel to the direction of the RGB color strip in the display screen, thereby avoiding the occurrence of a color cast phenomenon, a cross effect, and a small viewing angle problem, thereby improving the display of the stereoscopic image. effect.
  • FIG. 1 is a schematic structural view of a dual-directional stereoscopic display device in the prior art
  • FIG. 2 is a light path diagram of a conventional stereo display device in normal and abnormal display
  • FIG. 3 is a structural diagram of a dual-directional stereoscopic display device according to an embodiment of the present invention
  • 4 is a vertical grating strip arrangement of a two-directional stereoscopic display device according to an embodiment of the present invention.
  • FIG. 5 is an oblique grating strip arrangement of a two-direction stereoscopic display device according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a liquid crystal grating in a two-direction stereoscopic display device according to an embodiment of the present invention;
  • FIG. 8 is an image layout diagram of a display screen in a two-directional stereoscopic display device according to an embodiment of the present invention.
  • the color cast phenomenon is severe, resulting in a cross effect, a small viewing angle, and a poor stereoscopic display effect.
  • the inventors have found that the reason for this problem is that in the existing two-directional stereoscopic display device, the direction of the straight stripe strips is horizontal and vertical, and the current display has straight strips of RGB strips. The direction is also horizontal or vertical, so it is inevitable that the grating strip and the RGB color strip in one direction are arranged in parallel.
  • the RGB color strip 20 is obliquely viewed by the grating strip 21 at the position 24, the image actually seen by the left eye 22 (right eye 23) is the left eye 22 (right eye 23) should be seen.
  • a partial area of the image and/or a partial area of the image that the right eye 23 (left eye 22) should see such as a sub-pixel of R, G or B or RG, RB in only one complete RGB pixel Or GB two sub-pixels, so that the image actually seen by the left eye 22 appears color cast phenomenon, which leads to serious cross-effect of left and right eye images, small viewing angle, and poor stereoscopic image display effect.
  • An embodiment of the present invention provides a two-dimensional stereoscopic display device, as shown in FIG.
  • the display screen 31 has a plurality of straight RGB color strips which are parallel to each other, and the direction of the RGB color strips is a vertical direction, that is, a Y direction.
  • the direction of the RGB color strips may also be The horizontal direction, that is, the X direction, at this time, it is only necessary to adjust the direction of the grating strip correspondingly when fabricating the liquid crystal grating.
  • the liquid crystal grating 32 includes a plurality of vertical grating strips arranged in parallel and spaced apart from each other, or a plurality of inclined grating strips arranged in parallel and spaced apart from each other.
  • a voltage is applied to the first control electrode (or the second control electrode) of the liquid crystal grating 32 and the common electrode, a raster strip of light and dark phase parallel to each other is formed in the liquid crystal grating 32, and the dark grating strip constitutes a spacer row.
  • the vertical grating strip 321 or the inclined grating strip 322 of the cloth wherein the direction (X direction) of the vertical grating strip 321 is perpendicular to the direction (Y direction) of the RGB color strips in the display screen, as shown in FIG.
  • the direction (Y1 direction) of the inclined grating strip 322 and the direction (Y direction) of the RGB color strip in the display screen are at a predetermined angle ⁇ , and the angle of the preset angle ⁇ is between 0° and 90 degrees. . Between, as shown in Figure 5.
  • the direction of the oblique grating strip may be the positive direction of Y1 or the reverse direction of Y1, that is, the oblique grating may be opposite to the RGB color strip.
  • the left side is inclined, and may be inclined to the right side of the RGB color strip.
  • the angle value of the preset angle ⁇ with respect to the Y direction is 0° to 90°. Between, does not include the endpoint value.
  • the inclined grating strip has a certain slope, and the slope
  • the absolute value ranges from 2.7 to 3.3.
  • the angle value of the preset angle ⁇ is the best choice, that is, the range angle ⁇ of the preferred preset angle in the embodiment is arctan2.7 ⁇ arctan3.3.
  • the slope is 3 and the value of the preset angle ⁇ is arctan3.
  • the grating strip in the liquid crystal grating 32 is a vertical grating strip or an oblique grating strip, which is determined by the first control electrode, the second control electrode and the common electrode in the liquid crystal grating 32, and the first control electrode and the second control
  • the electrode and the common electrode are again composed of the first electrode and the second electrode on the inner side of the substrate of the liquid crystal grating 32. Therefore, before introducing the first control electrode, the second control electrode, and the common electrode, The structure of the liquid crystal grating in this embodiment will be described in detail first.
  • the liquid crystal grating in this embodiment includes: a first substrate 61, a second substrate 62, and a liquid crystal layer 63 disposed therebetween; and the first substrate 61 faces the liquid crystal layer 62.
  • a first electrode on one side surface the first electrode includes a plurality of first sub-electrodes 610 arranged in parallel with each other, and a direction (X direction) of the first sub-electrode 610 and an RGB color strip in the display screen a direction (Y direction) perpendicular; a second electrode located on a side surface of the second substrate 62 facing the liquid crystal layer 63, the second electrode including a plurality of second sub-electrodes 620 arranged in parallel with each other, and the The direction of the two sub-electrodes 620 (Y1 direction) and the direction of the RGB color strips in the display screen (Y direction) are at a predetermined angle ⁇ , and the angle of the preset angle ⁇ is between 0° and 90 degrees.
  • the first first sub-electrode is numbered to 1, and the number of the subsequent first sub-electrode is sequentially increased by 1, and the numbers are respectively a1, a2, a3, a4, ..., and then according to The number is divided into two groups, the first sub-electrode numbered as an odd number is the first group, the first sub-electrode numbered as an even number is the second group, and the first sub-electrode in the first group is connected to the control circuit A1 is connected, and the first sub-electrodes in the second group are connected to the control circuit A2, as shown in Fig. 7a.
  • the first second sub-electrode is numbered 1
  • the subsequent second sub-electrode is sequentially incremented by 1, labeled bl, b2, b3, b4, ..., and then according to The number is divided into two groups, that is, the second sub-electrode numbered as an odd number is the third group, the second sub-electrode numbered as the even number is the fourth group, and the second sub-electrode in the third group is controlled.
  • the circuit B1 is connected, and the second sub-electrodes in the fourth group are all connected to the control circuit B2.
  • the grating strip formed is also in the direction and the display screen.
  • the vertical RGB strip of the RGB color strip is oriented. Therefore, in order to make the grating strip in the liquid crystal grating a vertical grating strip, the first sub-electrode in the first group needs to be set as the first control electrode, and the second The first sub-electrode in the group is set as the second control electrode, and the second sub-electrode in the third group and the fourth group is set as the common electrode.
  • the first control electrode of the vertical grating strip is an odd numbered first sub-electrode
  • the second control electrode of the vertical grating strip is an even numbered A sub-electrode
  • the common electrode of the vertical grating strip is a second electrode, that is, all of the second sub-electrodes in the third group and the fourth group.
  • the grating strip formed is also the direction and the display screen.
  • the direction of the RGB color strips is an oblique grating strip with a preset angle ⁇ . Therefore, in order to make the grating strips in the liquid crystal gratings be inclined grating strips, the second sub-electrodes in the third group need to be set to the first
  • the control electrode sets the second sub-electrode in the fourth group as the second control electrode, and sets the first sub-electrode in the first group and the second group as the common electrode.
  • the first control electrode of the inclined grating strip is an odd numbered second sub-electrode
  • the second control electrode of the inclined grating strip is an even numbered
  • the two sub-electrodes, the common electrode of the inclined grating strip is a first electrode, that is, all the first sub-electrodes of the first group and the second group.
  • the liquid crystal grating structure diagram shown in FIG. 6 is only a schematic diagram, in fact, a plurality of first sub-electrodes
  • the gap between the 610 and the plurality of second sub-electrodes 620 is small, as long as the sub-electrodes are insulated by the insulating layer, and the width thereof is negligible. Therefore, the first electrode (second electrode) serves as a common electrode.
  • the common electrode covers the entire surface of the first substrate (the second substrate).
  • the image in the display screen is also correspondingly set as a tilted image.
  • the display screen includes a plurality of left-eye image display units and a right-eye image display unit, and when the grating strips in the liquid crystal grating are oblique grating strips, the left-eye image unit and the right-eye image unit correspond to the oblique grating strips Arrange.
  • Each of the left eye image display unit or the right eye image display unit, as shown in FIG. 8, includes: a plurality of display modules 70 arranged along the direction of the oblique grating strips, each of the display modules 70 including horizontal 6 sub-modules 701 706 arranged in order, each sub-module including 3 sub-pixels arranged in the vertical direction, and the first sub-pixel in the latter sub-module and the second sub-pixel in the previous sub-module
  • the sub-module 701 includes three sub-pixels 7011, 7012, and 7013 arranged in order from top to bottom
  • the sub-module 702 includes three sub-pixels 7021, 7022, and 7023 arranged in order from the top to the bottom
  • the sub-pixels 7012 are located on the same line.
  • three subpixels of the first submodule are red subpixels
  • three subpixels of the second submodule are green subpixels
  • 3 of the third submodule Each of the sub-pixels is a blue sub-pixel
  • all three sub-pixels of the fourth sub-module are red sub-pixels
  • three sub-pixels of the fifth sub-module are green sub-pixels
  • three sub-pixels of the sixth sub-module are Blue subpixel.
  • each row of each display module has a complete RGB pixel, that is, both have a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B.
  • the sub-pixels are arranged in the horizontal direction in the order of RGB, GBR, BRG, RGB, R-GB, and RG-B, and are cycled every 8 rows, wherein When consecutive sub-pixels are not enough to form RGB consecutive complete pixels, they will form a complete complete pixel with other sub-pixels in the row.
  • R-GB means that there are 3 full intervals between R sub-pixels and G sub-pixels.
  • Black sub-pixels; as in the fifth row of FIG. 8, the R sub-pixels of the first column and the G and B after the interval of three all-black sub-pixels constitute a complete RGB structure.
  • each display module is inclined, but the image corresponding to each left-eye image display unit or right-eye image display unit is vertical from the overall picture. Therefore, it does not affect the display of the overall image screen.
  • the dual-directional stereoscopic display device provided by the embodiment, whether the image is viewed through the vertical grating strip or the oblique grating strip, even if the oblique viewing is performed, the adjacent sub-pixels are seen in the direction, but the adjacent sub-pixels actually viewed are observed.
  • the sub-pixel that should be viewed is the same color.
  • the left eye when viewed obliquely, the left eye actually sees the green sub-pixel of the right-eye image, but since the sub-pixel in the left-eye image that should be viewed is also a green sub-pixel, Therefore, after the actual sub-pixels are mixed with the red sub-pixels and the green sub-pixels, the white light image is still displayed, and no color cast phenomenon occurs, and the cross-effect and the viewing angle are normal.
  • the dual-direction stereoscopic display device provided in this embodiment is characterized in that the direction of the grating strip in the liquid crystal grating is perpendicular to the direction of the RGB color strip in the display screen or is at a preset angle, and the angle of the preset angle is 0. . ⁇ 90. Therefore, there is no possibility that the direction of the grating strip is parallel to the direction of the RGB color strip in the display screen, thereby avoiding the occurrence of a color cast phenomenon, a cross effect, and a small viewing angle problem, thereby improving the display of the stereoscopic image. effect.
  • the invention has been disclosed above in the preferred embodiments, it is not intended to limit the invention.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
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Abstract

A bidirectional stereoscopic display apparatus comprises a display screen (31) provided with multiple parallel RGB color bars, and also comprises a liquid crystal grating (32) located on one side of the display screen (31). The liquid crystal grating (32) comprises multiple parallel vertical grating bars (321) or slant grating bars (322) arranged at intervals. In the provided bidirectional stereoscopic display apparatus, because the direction of the grating bars in the liquid crystal grating (32) is perpendicular to the direction of the RGB color bars in the display screen (31), or a preset included angle is formed therebetween and the value of the included angle ranges from 0 degree to 90 degrees, the situation in which the direction of the grating bars is parallel to the direction of the RGB color bars in the display screen (31) does not occur, and accordingly, the problems of color cast, a cross effect and a small view angle are avoided, thereby improving the display effect of a stereoscopic picture.

Description

双方向立体显示装置  Dual direction stereo display device
本申请要求于 2014 年 03 月 28 日提交中国专利局、 申请号为 201410124325.0、 发明名称为"双方向立体显示装置，，的中国专利申请的优先 权， 其全部内容通过引用结合在本申请中。  The present application claims priority to Chinese Patent Application No. 2014-1012432, filed on Mar.
技术领域 Technical field
本发明涉及液晶显示技术领域， 更具体地说， 涉及一种双方向立体显示装 置。  The present invention relates to the field of liquid crystal display technology, and more particularly to a two-way stereoscopic display device.
背景挾术 Background
目前大多数的棵眼式 3D (三维立体）显示装置都是在 2D (二维）显示屏 前设置一个液晶光栅， 2D显示时， 液晶光栅上不施加电压， 具备高透过率， 基本不影响 2D显示屏的亮度以及分辨率等； 3D显示时， 在液晶光栅的电极 上施加一定的电压形成黑白相间的条紋， 使左右眼同时看到的图像具有差距， 再经过大脑合成后产生立体感。  At present, most of the eye-type 3D (three-dimensional) display devices are provided with a liquid crystal grating in front of a 2D (two-dimensional) display screen. When 2D display, no voltage is applied to the liquid crystal grating, and the transmittance is high, which basically does not affect. 2D display brightness and resolution; 3D display, a certain voltage is applied to the electrodes of the liquid crystal grating to form black and white stripes, so that the images seen by the left and right eyes at the same time have a gap, and then the brain is synthesized to produce a three-dimensional effect. .
随着 3D显示装置的广泛应用以及人们对产品的要求越来越高， 一种在水 平和竖直双方向都具有良好显示功能的立体显示装置， 受到了人们的广泛关 注。 这种显示装置的液晶光栅结构， 如图 1所示， 包括偏振器 00、 第一基板 10、 位于第一基板 10内侧沿水平方向平行排列的条形电极， 即第一电极 11、 盒型结构的液晶层 20、第二基板 30、 以及位于第二基板 30内侧沿垂直方向平 行排列的条形电极， 即第二电极 31 , 其中， 液晶层 20被第一电极 11、 第二电 极 31分割成矩阵结构像素， 从而可以根据预设控制方法施加电压有选择地开 启或关闭像素， 形成水平或垂直方向的光栅条。 将该液晶光栅与 2D显示屏结 合后， 即可实现水平和竖直双方向的立体显示。  With the wide application of 3D display devices and the increasing demand for products, a stereoscopic display device having good display functions in both horizontal and vertical directions has been widely concerned. The liquid crystal grating structure of the display device, as shown in FIG. 1, includes a polarizer 00, a first substrate 10, and strip electrodes arranged in parallel in the horizontal direction inside the first substrate 10, that is, the first electrode 11, the box structure. The liquid crystal layer 20, the second substrate 30, and the strip electrodes arranged in parallel in the vertical direction inside the second substrate 30, that is, the second electrode 31, wherein the liquid crystal layer 20 is divided into the first electrode 11 and the second electrode 31 The matrix structure pixels, so that the pixels can be selectively turned on or off according to a preset control method to form a horizontal or vertical raster strip. By combining the liquid crystal grating with the 2D display screen, stereoscopic display in both horizontal and vertical directions can be realized.
但是， 在这种双方向立体显示装置中， 由于光栅条和 RGB ( Red Green Blue, 红绿蓝） 色条均为直条形， 且光栅条的方向为水平和竖直方向， RGB 色条的方向也是水平方向或竖直方向， 因此， 必然会存在一个方向的光栅条和 RGB 色条是平行排列的， 这就会导致这一方向上的图像通过光栅条后， 出现 严重的偏色现象， 导致交叉效应严重、 视角偏小以及立体画面显示效果较差。 发明内容  However, in this two-direction stereoscopic display device, since the raster strips and the RGB (Red Green Blue) color strips are straight strips, and the direction of the strips is horizontal and vertical, the RGB strips are The direction is also horizontal or vertical. Therefore, it is inevitable that the grating strip and the RGB color strip in one direction are arranged in parallel, which causes a serious color cast phenomenon after the image in this direction passes through the grating strip, resulting in The cross effect is severe, the viewing angle is small, and the stereoscopic display is poor. Summary of the invention
本发明提供了一种双方向立体显示装置 ,以解决现有技术中双方向立体显 示装置中偏色现象严重， 导致的交叉效应严重、视角偏小以及立体画面显示效 果较差的问题。 The invention provides a bidirectional stereoscopic display device, which solves the problem that the color cast phenomenon in the bidirectional stereoscopic display device in the prior art is serious, the cross effect is serious, the viewing angle is small, and the stereoscopic image display effect is effective. Poor problem.
为实现上述目的， 本发明提供了如下技术方案：  To achieve the above object, the present invention provides the following technical solutions:
一种双方向立体显示装置，包括具有多个相互平行的 RGB色条的显示屏， 还包括：  A dual-directional stereoscopic display device comprising a display screen having a plurality of mutually parallel RGB color bars, further comprising:
位于所述显示屏一侧的液晶光栅，所述液晶光栅包括多个相互平行且间隔 排布的垂直光栅条或倾斜光栅条， 其中， 所述垂直光栅条的方向与所述显示屏 中的 RGB 色条的方向垂直， 所述倾斜光栅条的方向与所述显示屏中的 RGB 色条的方向呈预设夹角， 所述预设夹角的角度值在 0° ~90。 之间。  a liquid crystal grating on a side of the display screen, the liquid crystal grating comprising a plurality of vertical grating strips or oblique grating strips arranged in parallel and spaced apart from each other, wherein a direction of the vertical grating strips and RGB in the display screen The direction of the color strip is perpendicular, the direction of the oblique strip is at a preset angle with the direction of the RGB strip in the display screen, and the angle of the preset angle is between 0° and 90 degrees. between.
优选的， 当所述倾斜光栅条的方向与所述显示屏中的 RGB色条的方向呈 预设夹角时， 所述倾斜光栅条具有一定的斜率， 所述斜率的绝对值的范围为 2.7~3.3。  Preferably, when the direction of the inclined grating strip is at a predetermined angle with the direction of the RGB color strips in the display screen, the inclined grating strip has a certain slope, and the absolute value of the slope ranges from 2.7. ~3.3.
优选的， 所述液晶光栅包括：  Preferably, the liquid crystal grating comprises:
相对设置的第一基板、 第二基板和位于二者之间的液晶层；  a first substrate, a second substrate, and a liquid crystal layer disposed therebetween;
位于所述第一基板朝向液晶层一侧表面的第一电极，所述第一电极包括多 个相互平行排布的第一子电极， 且所述第一子电极的方向与所述显示屏中 a first electrode located on a side surface of the first substrate facing the liquid crystal layer, the first electrode includes a plurality of first sub-electrodes arranged in parallel with each other, and a direction of the first sub-electrode is in the display screen
RGB色条的方向垂直； The direction of the RGB color bars is vertical;
位于所述第二基板朝向液晶层一侧表面的第二电极，所述第二电极包括多 个相互平行排布的第二子电极， 且所述第二子电极的方向与所述显示屏中 a second electrode located on a side surface of the second substrate facing the liquid crystal layer, the second electrode includes a plurality of second sub-electrodes arranged in parallel with each other, and a direction of the second sub-electrode is in the display screen
RGB色条的方向呈预设夹角。 The direction of the RGB color bars is at a preset angle.
优选的， 所述第二子电极的方向与所述显示屏中 RGB色条的方向之间的 预设夹角， 与所述倾斜光栅条的方向与所述显示屏中的 RGB色条的方向之间 的预设夹角相等。  Preferably, a preset angle between a direction of the second sub-electrode and a direction of the RGB color strip in the display screen, and a direction of the oblique grating strip and a direction of the RGB color strip in the display screen The preset angle between the two is equal.
优选的， 当所述液晶光栅中的光栅条为垂直光栅条时， 所述垂直光栅条的 第一控制电极为编号为奇数的第一子电极，所述垂直光栅条的第二控制电极为 编号为偶数的第一子电极， 所述垂直光栅条的公共电极为第二电极， 即所有的 第二子电极。  Preferably, when the grating strip in the liquid crystal grating is a vertical grating strip, the first control electrode of the vertical grating strip is an odd numbered first sub-electrode, and the second control electrode of the vertical grating strip is numbered As an even number of first sub-electrodes, the common electrode of the vertical grating strip is a second electrode, that is, all of the second sub-electrodes.
优选的， 当所述液晶光栅中的光栅条为倾斜光栅条时， 所述倾斜光栅条的 第一控制电极为编号为奇数的第二子电极，所述倾斜光栅条的第二控制电极为 编号为偶数的第二子电极， 所述倾斜光栅条的公共电极为第一电极， 即所有的 第一子电极。 优选的， 所述显示屏包括多个左眼图像显示单元和右眼图像显示单元， 当 所述液晶光栅中的光栅条为倾斜光栅条时，所述左眼图像单元和右眼图像单元 沿所述倾斜光栅条的方向间隔排布。 Preferably, when the grating strip in the liquid crystal grating is an inclined grating strip, the first control electrode of the inclined grating strip is an odd numbered second sub-electrode, and the second control electrode of the inclined grating strip is numbered As an even number of second sub-electrodes, the common electrode of the oblique grating strip is a first electrode, that is, all of the first sub-electrodes. Preferably, the display screen includes a plurality of left-eye image display units and a right-eye image display unit, and when the grating strips in the liquid crystal grating are oblique grating strips, the left-eye image unit and the right-eye image unit are along The oblique grating strips are arranged in a direction spaced apart.
优选的， 当所述液晶光栅中的光栅条为倾斜光栅条时， 所述左眼图像显示 单元或右眼图像单元包括：  Preferably, when the grating strip in the liquid crystal grating is an oblique grating strip, the left-eye image display unit or the right-eye image unit includes:
多个沿所述倾斜光栅条的方向间隔排布的显示模块，每个显示模块均包括 沿水平方向依次排布的 6个子模块，每个子模块均包括沿竖直方向依次排布的 3个子像素， 且后一个子模块中的第 1个子像素与前一个子模块中的第 2个子 像素位于同一行。  a plurality of display modules arranged along the direction of the oblique grating strips, each of the display modules comprising six sub-modules arranged in sequence in a horizontal direction, each sub-module comprising three sub-pixels arranged in a vertical direction And the first sub-pixel in the latter sub-module is in the same row as the second sub-pixel in the previous sub-module.
优选的， 所述 6个子模块中， 第 1个子模块中的 3个子像素均为红色子像 素， 第 2个子模块中的 3个子像素均为绿色子像素， 第 3个子模块中的 3个子 像素均为蓝色子像素， 第 4个子模块中的 3个子像素均为红色子像素， 第 5 个子模块中的 3个子像素均为绿色子像素，第 6个子模块中的 3个子像素均为 蓝色子像素。  Preferably, among the six submodules, three subpixels in the first submodule are red subpixels, three subpixels in the second submodule are green subpixels, and three subpixels in the third submodule are For the blue sub-pixel, all three sub-pixels in the fourth sub-module are red sub-pixels, three sub-pixels in the fifth sub-module are green sub-pixels, and three sub-pixels in the sixth sub-module are blue sub-pixels. Pixel.
优选的， 所述每个显示模块的每一行均包括一个红色子像素、一个蓝色子 像素和一个绿色子像素。  Preferably, each row of each display module includes one red sub-pixel, one blue sub-pixel and one green sub-pixel.
与现有技术相比， 本发明所提供的技术方案至少具有以下优点： 本发明所提供的双方向立体显示装置，由于液晶光栅中的光栅条的方向与 显示屏中的 RGB色条的方向垂直或呈预设夹角， 且所述预设夹角的角度值在 0。 ~90。 之间， 因此， 不会出现光栅条的方向与显示屏中的 RGB色条的方向 平行的情况， 从而避免了偏色现象、 交叉效应和视角偏小问题的出现， 进而提 高了立体画面的显示效果。  Compared with the prior art, the technical solution provided by the present invention has at least the following advantages: The dual-direction stereoscopic display device provided by the present invention has a direction perpendicular to the direction of the RGB color bars in the display screen due to the direction of the grating strips in the liquid crystal grating. Or a preset angle, and the angle of the preset angle is 0. ~90. Therefore, there is no possibility that the direction of the grating strip is parallel to the direction of the RGB color strip in the display screen, thereby avoiding the occurrence of a color cast phenomenon, a cross effect, and a small viewing angle problem, thereby improving the display of the stereoscopic image. effect.
附图说明 DRAWINGS
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施 例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地， 下面描述 中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付 出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。  In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.
图 1为现有技术中的双方向立体显示装置结构示意图；  1 is a schematic structural view of a dual-directional stereoscopic display device in the prior art;
图 2为现有的立体显示装置的正常和非正常显示时的光路图；  2 is a light path diagram of a conventional stereo display device in normal and abnormal display;
图 3为本发明一个实施例提供的双方向立体显示装置的结构图； 图 4 为本发明一个实施例提供的双方向立体显示装置的垂直光栅条排布 图 5 为本发明一个实施例提供的双方向立体显示装置的倾斜光栅条排布
Figure imgf000006_0001
图 6 为本发明一个实施例提供的双方向立体显示装置中液晶光栅的结构 示意图； 3 is a structural diagram of a dual-directional stereoscopic display device according to an embodiment of the present invention; 4 is a vertical grating strip arrangement of a two-directional stereoscopic display device according to an embodiment of the present invention. FIG. 5 is an oblique grating strip arrangement of a two-direction stereoscopic display device according to an embodiment of the present invention.
Figure imgf000006_0001
FIG. 6 is a schematic structural diagram of a liquid crystal grating in a two-direction stereoscopic display device according to an embodiment of the present invention; FIG.
图 7a~7b 为本发明一个实施例提供的双方向立体显示装置中子电极的连 接图；  7a-7b are connection diagrams of sub-electrodes in a dual-directional stereoscopic display device according to an embodiment of the present invention;
图 8 为本发明一个实施例提供的双方向立体显示装置中显示屏的图像排 布图。  FIG. 8 is an image layout diagram of a display screen in a two-directional stereoscopic display device according to an embodiment of the present invention.
具体实施方式  detailed description
正如背景技术所述， 现有的双方向立体显示装置中， 偏色现象严重， 从而 导致交叉效应、 视角偏小和立体画面显示效果较差。 发明人研究发现， 造成这 一问题的原因是，现有的双方向立体显示装置中， 直条形的光栅条的方向为水 平和竖直方向， 而目前的显示器中直条形的 RGB色条的方向也是水平方向或 竖直方向， 因此， 必然会存在一个方向的光栅条和 RGB色条是平行排列的。  As described in the background art, in the conventional two-direction stereoscopic display device, the color cast phenomenon is severe, resulting in a cross effect, a small viewing angle, and a poor stereoscopic display effect. The inventors have found that the reason for this problem is that in the existing two-directional stereoscopic display device, the direction of the straight stripe strips is horizontal and vertical, and the current display has straight strips of RGB strips. The direction is also horizontal or vertical, so it is inevitable that the grating strip and the RGB color strip in one direction are arranged in parallel.
此时， 如图 2所示， 在位置 24处通过光栅条 21倾斜观看 RGB 色条 20 时， 左眼 22 (右眼 23 )实际看到的图像为左眼 22 (右眼 23 )应该看到的图像 的部分区域和 /或右眼 23 (左眼 22 )应该看到的图像的部分区域， 所述部分区 域如只有一个完整 RGB像素中的 R、 G或 B这一个子像素或 RG、 RB或 GB 两个子像素， 从而使得左眼 22实际看到的图像出现偏色现象， 进而导致左右 眼图像交叉效应严重、 视角偏小、 立体画面显示效果较差。  At this time, as shown in FIG. 2, when the RGB color strip 20 is obliquely viewed by the grating strip 21 at the position 24, the image actually seen by the left eye 22 (right eye 23) is the left eye 22 (right eye 23) should be seen. a partial area of the image and/or a partial area of the image that the right eye 23 (left eye 22) should see, such as a sub-pixel of R, G or B or RG, RB in only one complete RGB pixel Or GB two sub-pixels, so that the image actually seen by the left eye 22 appears color cast phenomenon, which leads to serious cross-effect of left and right eye images, small viewing angle, and poor stereoscopic image display effect.
为使本发明的上述目的、特征和优点能够更加明显易懂， 下面结合附图对 本发明的具体实施方式做详细的说明。  The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims.
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是本发明 还可以釆用其他不同于在此描述的其它方式来实施，本领域技术人员可以在不 违背本发明内涵的情况下做类似推广，因此本发明不受下面公开的具体实施例 的限制。  In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention, but the invention may be practiced in other ways other than those described herein, and those skilled in the art may, without departing from the scope of the invention. The invention is not limited by the specific embodiments disclosed below.
其次， 本发明结合示意图进行详细描述， 在详述本发明实施例时， 为便于 说明，表示装置结构的剖面图会不依一般比例作局部放大， 而且所述示意图只 是示例，其在此不应限制本发明保护的范围。此外，在实际制作中应包含长度、 宽度及深度的三维空间尺寸。 本发明的一个实施例提供了一种双方向立体显示装置，如图 3所示， 包括 显示屏 31、 位于显示屏 31—侧即位于显示屏 31显示侧或背光侧的液晶光栅 32 , 其中， 显示屏 31中具有多个相互平行的直条状 RGB色条， 所述 RGB色 条的方向为竖直方向， 即 Y方向， 当然在其他实施例中， 所述 RGB色条的方 向也可以为水平方向， 即 X方向， 此时， 只需在制作液晶光栅时相应地调整 光栅条的方向即可。 2, the present invention will be described in detail in conjunction with the accompanying drawings. When the embodiments of the present invention are described in detail, for the convenience of description, the sectional view of the structure of the device will not be partially enlarged, and the schematic diagram is only It is an example, which is not intended to limit the scope of the invention. In addition, the actual three-dimensional dimensions of length, width and depth should be included in the actual production. An embodiment of the present invention provides a two-dimensional stereoscopic display device, as shown in FIG. 3, including a display screen 31, a liquid crystal grating 32 located on the display screen 31 side, that is, on the display side or the backlight side of the display screen 31, wherein The display screen 31 has a plurality of straight RGB color strips which are parallel to each other, and the direction of the RGB color strips is a vertical direction, that is, a Y direction. Of course, in other embodiments, the direction of the RGB color strips may also be The horizontal direction, that is, the X direction, at this time, it is only necessary to adjust the direction of the grating strip correspondingly when fabricating the liquid crystal grating.
本实施例中， 液晶光栅 32包括多个相互平行且间隔排布的垂直光栅条， 或包括多个相互平行且间隔排布的倾斜光栅条。 在液晶光栅 32的第一控制电 极（或第二控制电极）和公共电极上施加电压时， 液晶光栅 32中就形成了相 互平行的亮暗相间的光栅条， 其暗光栅条即构成了间隔排布的垂直光栅条 321 或倾斜光栅条 322, 其中， 所述垂直光栅条 321的方向 （X方向）与所述显示 屏中的 RGB色条的方向 （ Y方向）垂直， 如图 4所示。 所述倾斜光栅条 322 的方向（Y1方向）与所述显示屏中的 RGB色条的方向（Y方向）呈预设夹角 α, 所述预设夹角 α的角度值在 0° ~90。 之间， 如图 5所示。  In this embodiment, the liquid crystal grating 32 includes a plurality of vertical grating strips arranged in parallel and spaced apart from each other, or a plurality of inclined grating strips arranged in parallel and spaced apart from each other. When a voltage is applied to the first control electrode (or the second control electrode) of the liquid crystal grating 32 and the common electrode, a raster strip of light and dark phase parallel to each other is formed in the liquid crystal grating 32, and the dark grating strip constitutes a spacer row. The vertical grating strip 321 or the inclined grating strip 322 of the cloth, wherein the direction (X direction) of the vertical grating strip 321 is perpendicular to the direction (Y direction) of the RGB color strips in the display screen, as shown in FIG. The direction (Y1 direction) of the inclined grating strip 322 and the direction (Y direction) of the RGB color strip in the display screen are at a predetermined angle α, and the angle of the preset angle α is between 0° and 90 degrees. . Between, as shown in Figure 5.
此外， 在本发明的其他实施例中， 所述倾斜光栅条的方向可以为 Y1的正 方向，也可以为 Y1的反方向，即与 RGB色条相比，倾斜光栅可以向所述 RGB 色条的左侧倾斜， 也可以向所述 RGB色条的右侧倾斜， 但是， 无论向哪一侧 倾斜，其与 Y方向的预设夹角 α的角度值都在 0° ~90。 之间， 不包括端点值。  In addition, in other embodiments of the present invention, the direction of the oblique grating strip may be the positive direction of Y1 or the reverse direction of Y1, that is, the oblique grating may be opposite to the RGB color strip. The left side is inclined, and may be inclined to the right side of the RGB color strip. However, regardless of which side is inclined, the angle value of the preset angle α with respect to the Y direction is 0° to 90°. Between, does not include the endpoint value.
当所述倾斜光栅条的方向（ Y1方向）与所述显示屏中的 RGB色条的方向 ( Y方向）呈预设夹角 α时， 所述倾斜光栅条具有一定的斜率， 所述斜率的绝 对值的范围为 2.7~3.3 , 此时， 预设夹角 α的角度值为最佳选择， 即本实施例 中优选的预设夹角的角度值 α的范围为 arctan2.7~arctan3.3。优选的，斜率为 3 , 预设夹角 α的值为 arctan3。  When the direction of the oblique grating strip (Y1 direction) and the direction of the RGB color strip in the display screen (Y direction) are at a predetermined angle α, the inclined grating strip has a certain slope, and the slope The absolute value ranges from 2.7 to 3.3. In this case, the angle value of the preset angle α is the best choice, that is, the range angle α of the preferred preset angle in the embodiment is arctan2.7~arctan3.3. . Preferably, the slope is 3 and the value of the preset angle α is arctan3.
其中， 液晶光栅 32中的光栅条是垂直光栅条， 还是倾斜光栅条， 是由液 晶光栅 32中的第一控制电极、 第二控制电极和公共电极决定的， 而第一控制 电极、 第二控制电极和公共电极又是由液晶光栅 32基板内侧的第一电极和第 二电极组成的， 因此， 在介绍第一控制电极、 第二控制电极和公共电极之前， 先详细描述一下本实施例中的液晶光栅的结构。 Wherein, the grating strip in the liquid crystal grating 32 is a vertical grating strip or an oblique grating strip, which is determined by the first control electrode, the second control electrode and the common electrode in the liquid crystal grating 32, and the first control electrode and the second control The electrode and the common electrode are again composed of the first electrode and the second electrode on the inner side of the substrate of the liquid crystal grating 32. Therefore, before introducing the first control electrode, the second control electrode, and the common electrode, The structure of the liquid crystal grating in this embodiment will be described in detail first.
如图 6所示， 本实施例中的液晶光栅， 包括： 相对设置的第一基板 61、 第二基板 62和位于二者之间的液晶层 63; 位于所述第一基板 61朝向液晶层 62 一侧表面的第一电极， 所述第一电极包括多个相互平行排布的第一子电极 610, 且所述第一子电极 610的方向（X方向）与所述显示屏中 RGB色条的方 向（ Y方向）垂直；位于所述第二基板 62朝向液晶层 63—侧表面的第二电极， 所述第二电极包括多个相互平行排布的第二子电极 620 , 且所述第二子电极 620的方向 （ Y1方向）与所述显示屏中 RGB色条的方向 （ Y方向）呈预设夹 角 α, 该预设夹角 α的角度值在 0° ~90。 之间， 不包括端点值， 且与所述倾斜 光栅条的方向与所述显示屏中的 RGB色条的方向之间的预设夹角相等。  As shown in FIG. 6, the liquid crystal grating in this embodiment includes: a first substrate 61, a second substrate 62, and a liquid crystal layer 63 disposed therebetween; and the first substrate 61 faces the liquid crystal layer 62. a first electrode on one side surface, the first electrode includes a plurality of first sub-electrodes 610 arranged in parallel with each other, and a direction (X direction) of the first sub-electrode 610 and an RGB color strip in the display screen a direction (Y direction) perpendicular; a second electrode located on a side surface of the second substrate 62 facing the liquid crystal layer 63, the second electrode including a plurality of second sub-electrodes 620 arranged in parallel with each other, and the The direction of the two sub-electrodes 620 (Y1 direction) and the direction of the RGB color strips in the display screen (Y direction) are at a predetermined angle α, and the angle of the preset angle α is between 0° and 90 degrees. The endpoint value is not included, and is equal to the preset angle between the direction of the oblique raster strip and the direction of the RGB color strips in the display screen.
沿第一子电极 610的排布方向， 将第 1个第一子电极编号为 1 , 后续第一 子电极的编号依次增加 1 , 标号分别为 al、 a2、 a3、 a4...， 然后根据其编号将 其分为两组， 编号为奇数的第一子电极为第一组， 编号为偶数的第一子电极为 第二组， 所述第一组中的第一子电极均与控制电路 A1相连， 所述第二组中的 第一子电极均与控制电路 A2相连， 如图 7a所示。  In the arrangement direction of the first sub-electrode 610, the first first sub-electrode is numbered to 1, and the number of the subsequent first sub-electrode is sequentially increased by 1, and the numbers are respectively a1, a2, a3, a4, ..., and then according to The number is divided into two groups, the first sub-electrode numbered as an odd number is the first group, the first sub-electrode numbered as an even number is the second group, and the first sub-electrode in the first group is connected to the control circuit A1 is connected, and the first sub-electrodes in the second group are connected to the control circuit A2, as shown in Fig. 7a.
沿第二子电极 620的排布方向， 将第 1个第二子电极编号为 1 , 后续的第 二子电极的编号依次增加 1 , 标号为 bl、 b2、 b3、 b4...， 然后根据其编号将其 分为两组， 即编号为奇数的第二子电极为第三组， 编号为偶数的第二子电极为 第四组， 所述第三组中的第二子电极均与控制电路 B1相连， 所述第四组中的 第二子电极均与控制电路 B2相连。  In the arrangement direction of the second sub-electrode 620, the first second sub-electrode is numbered 1, and the subsequent second sub-electrode is sequentially incremented by 1, labeled bl, b2, b3, b4, ..., and then according to The number is divided into two groups, that is, the second sub-electrode numbered as an odd number is the third group, the second sub-electrode numbered as the even number is the fourth group, and the second sub-electrode in the third group is controlled. The circuit B1 is connected, and the second sub-electrodes in the fourth group are all connected to the control circuit B2.
本实施例中， 由于第一子电极 610的方向（X方向）与所述显示屏中 RGB 色条的方向（Y方向）垂直， 因此， 其形成的光栅条也为方向与所述显示屏中 的 RGB色条的方向垂直的垂直光栅条， 因此， 欲使液晶光栅中的光栅条为垂 直光栅条， 就需要将第一组中的第一子电极设定为第一控制电极， 将第二组中 的第一子电极设定为第二控制电极，将第三组和第四组中的第二子电极设定为 公共电极。 即当液晶光栅中的光栅条为垂直光栅条时， 所述垂直光栅条的第一 控制电极为编号为奇数的第一子电极，所述垂直光栅条的第二控制电极为编号 为偶数的第一子电极， 所述垂直光栅条的公共电极为第二电极， 即第三组和第 四组中的所有的第二子电极。 此时， 在液晶光栅工作时， 同时向控制电路 B1 和 B2中输入同一电压信号。 此外， 由于第二子电极 620的方向（ Y1方向）与所述显示屏中 RGB色条 的方向（Y方向）呈预设夹角， 因此， 其形成的光栅条也为方向与所述显示屏 中的 RGB色条的方向呈预设夹角 α的倾斜光栅条， 因此， 欲使液晶光栅中的 光栅条为倾斜光栅条， 就需要将第三组中的第二子电极设定为第一控制电极， 将第四组中的第二子电极设定为第二控制电极，将第一组和第二组中的第一子 电极设定为公共电极。 即当液晶光栅中的光栅条为倾斜光栅条时， 所述倾斜光 栅条的第一控制电极为编号为奇数的第二子电极，所述倾斜光栅条的第二控制 电极为编号为偶数的第二子电极， 所述倾斜光栅条的公共电极为第一电极， 即 第一组和第二组的所有的第一子电极。 In this embodiment, since the direction (X direction) of the first sub-electrode 610 is perpendicular to the direction (Y direction) of the RGB color strip in the display screen, the grating strip formed is also in the direction and the display screen. The vertical RGB strip of the RGB color strip is oriented. Therefore, in order to make the grating strip in the liquid crystal grating a vertical grating strip, the first sub-electrode in the first group needs to be set as the first control electrode, and the second The first sub-electrode in the group is set as the second control electrode, and the second sub-electrode in the third group and the fourth group is set as the common electrode. That is, when the grating strip in the liquid crystal grating is a vertical grating strip, the first control electrode of the vertical grating strip is an odd numbered first sub-electrode, and the second control electrode of the vertical grating strip is an even numbered A sub-electrode, the common electrode of the vertical grating strip is a second electrode, that is, all of the second sub-electrodes in the third group and the fourth group. At this time, when the liquid crystal grating operates, the same voltage signal is input to the control circuits B1 and B2 at the same time. In addition, since the direction of the second sub-electrode 620 (Y1 direction) is at a predetermined angle with the direction (Y direction) of the RGB color strip in the display screen, the grating strip formed is also the direction and the display screen. The direction of the RGB color strips is an oblique grating strip with a preset angle α. Therefore, in order to make the grating strips in the liquid crystal gratings be inclined grating strips, the second sub-electrodes in the third group need to be set to the first The control electrode sets the second sub-electrode in the fourth group as the second control electrode, and sets the first sub-electrode in the first group and the second group as the common electrode. That is, when the grating strip in the liquid crystal grating is an inclined grating strip, the first control electrode of the inclined grating strip is an odd numbered second sub-electrode, and the second control electrode of the inclined grating strip is an even numbered The two sub-electrodes, the common electrode of the inclined grating strip is a first electrode, that is, all the first sub-electrodes of the first group and the second group.
其中， 图 6所示的液晶光栅结构图仅为示意图， 实际上， 多个第一子电极 The liquid crystal grating structure diagram shown in FIG. 6 is only a schematic diagram, in fact, a plurality of first sub-electrodes
610之间以及多个第二子电极 620之间的缝隙很小， 只要通过绝缘层使子电极 之间绝缘即可， 其宽度可以忽略不计， 因此， 第一电极（第二电极）作为公共 电极时， 所述公共电极是覆盖第一基板（第二基板）整个表面的。 The gap between the 610 and the plurality of second sub-electrodes 620 is small, as long as the sub-electrodes are insulated by the insulating layer, and the width thereof is negligible. Therefore, the first electrode (second electrode) serves as a common electrode. The common electrode covers the entire surface of the first substrate (the second substrate).
当在所述第一控制电极和公共电极上施加电压，在所述第二控制电极上不 施加电压时， 第一控制电极对应的区域形成了不透光的暗光栅条， 其对应的左 眼（右眼）图像全黑， 而第二控制电极对应的图像通过光栅条进入人眼； 当在 第二控制电极和公共电极上施加电压，在第一控制电极上不施加电压时， 第二 控制电极对应的区域形成了不透光的暗光栅条， 其对应的右眼（左眼）图像全 黑， 而第一控制电极对应的图像通过光栅条进入人眼。  When a voltage is applied to the first control electrode and the common electrode, when a voltage is not applied to the second control electrode, a region corresponding to the first control electrode forms an opaque dark grating strip corresponding to the left eye. (right eye) the image is all black, and the image corresponding to the second control electrode enters the human eye through the grating strip; when voltage is applied to the second control electrode and the common electrode, when no voltage is applied to the first control electrode, the second control The corresponding area of the electrode forms an opaque dark grating strip, and the corresponding right eye (left eye) image is completely black, and the image corresponding to the first control electrode enters the human eye through the grating strip.
本实施例中， 当液晶光栅中的光栅条为倾斜光栅条时，显示屏中的图像也 要相应的设定为倾斜图像。显示屏包括多个左眼图像显示单元和右眼图像显示 单元， 当所述液晶光栅中的光栅条为倾斜光栅条时， 所述左眼图像单元和右眼 图像单元与所述倾斜光栅条对应排布。  In this embodiment, when the grating strip in the liquid crystal grating is an inclined grating strip, the image in the display screen is also correspondingly set as a tilted image. The display screen includes a plurality of left-eye image display units and a right-eye image display unit, and when the grating strips in the liquid crystal grating are oblique grating strips, the left-eye image unit and the right-eye image unit correspond to the oblique grating strips Arrange.
其中， 每个左眼图像显示单元或右眼图像显示单元， 如图 8所示， 包括： 多个沿所述倾斜光栅条的方向排布的显示模块 70 , 每个显示模块 70均包括沿 水平方向依次排布的 6个子模块 701 706 ,每个子模块均包括沿竖直方向依次 排布的 3个子像素，且后一个子模块中的第 1个子像素与前一个子模块中的第 2个子像素位于同一行， 例如， 子模块 701中包括从上往下依次排布的 3个子 像素 7011、 7012和 7013 ,子模块 702包括从上往下依次排布的 3个子像素 7021、 7022和 7023 , 且子模块 702中的第 1个子像素 7021与子模块 701 中的第 2 个子像素 7012位于同一行。 Each of the left eye image display unit or the right eye image display unit, as shown in FIG. 8, includes: a plurality of display modules 70 arranged along the direction of the oblique grating strips, each of the display modules 70 including horizontal 6 sub-modules 701 706 arranged in order, each sub-module including 3 sub-pixels arranged in the vertical direction, and the first sub-pixel in the latter sub-module and the second sub-pixel in the previous sub-module In the same row, for example, the sub-module 701 includes three sub-pixels 7011, 7012, and 7013 arranged in order from top to bottom, and the sub-module 702 includes three sub-pixels 7021, 7022, and 7023 arranged in order from the top to the bottom, and The first sub-pixel 7021 in the sub-module 702 and the second sub-module 701 The sub-pixels 7012 are located on the same line.
如图 8所示， 所述 6个子模块中， 第 1个子模块中的 3个子像素均为红色 子像素， 第 2个子模块中的 3个子像素均为绿色子像素， 第 3个子模块中的 3 个子像素均为蓝色子像素， 第 4个子模块中的 3个子像素均为红色子像素， 第 5个子模块中的 3个子像素均为绿色子像素， 第 6个子模块中的 3个子像素均 为蓝色子像素。  As shown in FIG. 8 , among the six submodules, three subpixels of the first submodule are red subpixels, and three subpixels of the second submodule are green subpixels, and 3 of the third submodule Each of the sub-pixels is a blue sub-pixel, and all three sub-pixels of the fourth sub-module are red sub-pixels, and three sub-pixels of the fifth sub-module are green sub-pixels, and three sub-pixels of the sixth sub-module are Blue subpixel.
所述 6个子模块如图 8所示排列后，每个显示模块的每一行都具有一个完 整的 RGB像素， 即都具有一个红色子像素 R、 一个绿色子像素 G和一个蓝色 子像素 B, 并且， 从上往下排列的每行中， 子像素沿水平方向的排列次序依次 为 RGB、 GBR、 BRG、 RGB, R-GB和 RG-B的点阵结构， 且每 8行循环一次， 其中， 当连续子像素不足以构成 RGB连续完整像素的， 将与该行内的其他子 像素构成一个完整的一个完整的像素， 如 R-GB是指 R子像素和 G子像素之 间间隔 3个全黑子像素； 如图 8中的第 5行， 第一列的 R子像素和间隔 3个 全黑子像素之后的 G和 B构成完整的 RGB结构。  After the six sub-modules are arranged as shown in FIG. 8, each row of each display module has a complete RGB pixel, that is, both have a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B. Moreover, in each row arranged from top to bottom, the sub-pixels are arranged in the horizontal direction in the order of RGB, GBR, BRG, RGB, R-GB, and RG-B, and are cycled every 8 rows, wherein When consecutive sub-pixels are not enough to form RGB consecutive complete pixels, they will form a complete complete pixel with other sub-pixels in the row. For example, R-GB means that there are 3 full intervals between R sub-pixels and G sub-pixels. Black sub-pixels; as in the fifth row of FIG. 8, the R sub-pixels of the first column and the G and B after the interval of three all-black sub-pixels constitute a complete RGB structure.
本实施例中， 从微观上看， 每个显示模块中的图像都是倾斜的， 但是， 从 整体画面来看，每个左眼图像显示单元或右眼图像显示单元对应的图像是竖直 的， 因此， 其并不会影响整体图像画面的显示。  In this embodiment, from the microscopic point of view, the images in each display module are inclined, but the image corresponding to each left-eye image display unit or right-eye image display unit is vertical from the overall picture. Therefore, it does not affect the display of the overall image screen.
本实施例提供的双方向立体显示装置中，无论是通过垂直光栅条还是倾斜 光栅条观看图像， 即便倾斜观看， 沿方向看到相邻的子像素上去， 但是由于实 际观看到的相邻子像素与应该观看到的子像素为同一颜色，例如，倾斜观看时， 左眼实际看到了右眼图像的绿色子像素，但是由于其原本应该观看的左眼图像 中的子像素也为绿色子像素， 因此， 实际看到的子像素与红色子像素和绿色子 像素混合后， 显示的仍是白光图像， 不会出现偏色现象， 且其交叉效应和视角 均正常。  In the dual-directional stereoscopic display device provided by the embodiment, whether the image is viewed through the vertical grating strip or the oblique grating strip, even if the oblique viewing is performed, the adjacent sub-pixels are seen in the direction, but the adjacent sub-pixels actually viewed are observed. The sub-pixel that should be viewed is the same color. For example, when viewed obliquely, the left eye actually sees the green sub-pixel of the right-eye image, but since the sub-pixel in the left-eye image that should be viewed is also a green sub-pixel, Therefore, after the actual sub-pixels are mixed with the red sub-pixels and the green sub-pixels, the white light image is still displayed, and no color cast phenomenon occurs, and the cross-effect and the viewing angle are normal.
本实施例提供的双方向立体显示装置，由于液晶光栅中的光栅条的方向与 显示屏中的 RGB色条的方向垂直或呈预设夹角， 且所述预设夹角的角度值在 0。 ~90。 之间， 因此， 不会出现光栅条的方向与显示屏中的 RGB色条的方向 平行的情况， 从而避免了偏色现象、 交叉效应和视角偏小问题的出现， 进而提 高了立体画面的显示效果。 虽然本发明已以较佳实施例披露如上， 然而并非用以限定本发明。任何熟 悉本领域的技术人员，在不脱离本发明技术方案范围情况下， 都可利用上述揭 示的方法和技术内容对本发明技术方案做出许多可能的变动和修饰 ,或修改为 等同变化的等效实施例。 因此， 凡是未脱离本发明技术方案的内容， 依据本发 明的技术实质对以上实施例所做的简单修改、等同变化及修饰， 均仍属于本发 明技术方案保护的范围内。 The dual-direction stereoscopic display device provided in this embodiment is characterized in that the direction of the grating strip in the liquid crystal grating is perpendicular to the direction of the RGB color strip in the display screen or is at a preset angle, and the angle of the preset angle is 0. . ~90. Therefore, there is no possibility that the direction of the grating strip is parallel to the direction of the RGB color strip in the display screen, thereby avoiding the occurrence of a color cast phenomenon, a cross effect, and a small viewing angle problem, thereby improving the display of the stereoscopic image. effect. Although the invention has been disclosed above in the preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention by using the methods and technical contents disclosed above, or modify the equivalents of equivalent changes without departing from the scope of the technical solutions of the present invention. Example. Therefore, all the modifications, equivalent changes and modifications of the above embodiments are still within the scope of the technical solutions of the present invention without departing from the technical scope of the present invention.

Claims

权 利 要 求 Rights request
1、一种双方向立体显示装置， 包括具有多个相互平行的 RGB色条的显示 屏， 其特征在于， 还包括： 1. A bidirectional stereoscopic display device, including a display screen with multiple mutually parallel RGB color bars, characterized in that it also includes:
位于所述显示屏一侧的液晶光栅，所述液晶光栅包括多个相互平行且间隔 排布的垂直光栅条或倾斜光栅条， 其中， 所述垂直光栅条的方向与所述显示屏 中的 RGB 色条的方向垂直， 所述倾斜光栅条的方向与所述显示屏中的 RGB 色条的方向呈预设夹角， 所述预设夹角的角度值在 0° ~90。 之间。 A liquid crystal grating located on one side of the display screen. The liquid crystal grating includes a plurality of vertical grating strips or inclined grating strips arranged parallel to each other and spaced apart, wherein the direction of the vertical grating strips is consistent with the RGB in the display screen. The direction of the color strip is vertical, and the direction of the inclined grating strip and the direction of the RGB color strip in the display screen form a preset angle, and the angle value of the preset angle is between 0° and 90. between.
2、 根据权利要求 1所述的双方向立体显示装置， 其特征在于， 当所述倾 斜光栅条的方向与所述显示屏中的 RGB色条的方向呈预设夹角时， 所述倾斜 光栅条具有一定的斜率， 所述斜率的绝对值的范围为 2.7~3.3。 2. The bidirectional stereoscopic display device according to claim 1, wherein when the direction of the tilted grating strips and the direction of the RGB color strips in the display screen form a preset angle, the tilted grating The bars have a certain slope, and the absolute value of the slope ranges from 2.7 to 3.3.
3、 根据权利要求 2所述的双方向立体显示装置， 其特征在于， 所述液晶 光栅包括： 3. The bidirectional stereoscopic display device according to claim 2, characterized in that the liquid crystal grating includes:
相对设置的第一基板、 第二基板和位于二者之间的液晶层； A first substrate, a second substrate and a liquid crystal layer located between them;
位于所述第一基板朝向液晶层一侧表面的第一电极，所述第一电极包括多 个相互平行排布的第一子电极， 且所述第一子电极的方向与所述显示屏中 A first electrode located on a side surface of the first substrate facing the liquid crystal layer, the first electrode includes a plurality of first sub-electrodes arranged parallel to each other, and the direction of the first sub-electrode is in line with the center of the display screen
RGB色条的方向垂直； The direction of the RGB color bar is vertical;
位于所述第二基板朝向液晶层一侧表面的第二电极，所述第二电极包括多 个相互平行排布的第二子电极， 且所述第二子电极的方向与所述显示屏中 A second electrode located on a side surface of the second substrate facing the liquid crystal layer, the second electrode includes a plurality of second sub-electrodes arranged parallel to each other, and the direction of the second sub-electrode is in line with the center of the display screen
RGB色条的方向呈预设夹角。 The direction of the RGB color bars is at a preset angle.
4、 根据权利要求 3所述的双方向立体显示装置， 其特征在于， 所述第二 子电极的方向与所述显示屏中 RGB色条的方向之间的预设夹角， 与所述倾斜 光栅条的方向与所述显示屏中的 RGB色条的方向之间的预设夹角相等。 4. The bidirectional stereoscopic display device according to claim 3, characterized in that, the preset angle between the direction of the second sub-electrode and the direction of the RGB color strips in the display screen, and the tilt The preset angle between the direction of the grating strip and the direction of the RGB color strip in the display screen is equal to that of the grating strip.
5、 根据权利要求 4所述的双方向立体显示装置， 其特征在于， 当所述液 晶光栅中的光栅条为垂直光栅条时，所述垂直光栅条的第一控制电极为编号为 奇数的第一子电极，所述垂直光栅条的第二控制电极为编号为偶数的第一子电 极， 所述垂直光栅条的公共电极为第二电极， 即所有的第二子电极。 5. The bidirectional stereoscopic display device according to claim 4, wherein when the grating bars in the liquid crystal grating are vertical grating bars, the first control electrode of the vertical grating bar is an odd-numbered first control electrode. One sub-electrode, the second control electrode of the vertical grating strip is the even-numbered first sub-electrode, and the common electrode of the vertical grating strip is the second electrode, that is, all the second sub-electrodes.
6、 根据权利要求 4所述的双方向立体显示装置， 其特征在于， 当所述液 晶光栅中的光栅条为倾斜光栅条时，所述倾斜光栅条的第一控制电极为编号为 奇数的第二子电极，所述倾斜光栅条的第二控制电极为编号为偶数的第二子电 极， 所述倾斜光栅条的公共电极为第一电极， 即所有的第一子电极。 6. The bidirectional stereoscopic display device according to claim 4, wherein when the grating strips in the liquid crystal grating are tilted grating strips, the first control electrode of the tilted grating strip is an odd-numbered first control electrode. Two sub-electrodes, the second control electrode of the inclined grating strip is an even-numbered second sub-electrode, and the common electrode of the inclined grating strip is the first electrode, that is, all the first sub-electrodes.
7、 根据权利要求 1所述的双方向立体显示装置， 其特征在于， 所述显示 屏包括多个左眼图像显示单元和右眼图像显示单元，当所述液晶光栅中的光栅 条为倾斜光栅条时，所述左眼图像单元或右眼图像单元中的显示模块与所述倾 斜光栅条对应倾斜排布。 7. The bidirectional stereoscopic display device according to claim 1, wherein the display screen includes a plurality of left eye image display units and a right eye image display unit. When the grating bars in the liquid crystal grating are tilted gratings, When strips are formed, the display modules in the left-eye image unit or the right-eye image unit are arranged obliquely corresponding to the oblique grating bars.
8、 根据权利要求 7所述的双方向立体显示装置， 其特征在于， 当所述液 晶光栅中的光栅条为倾斜光栅条时，所述左眼图像显示单元或右眼图像单元包 括： 8. The bidirectional stereoscopic display device according to claim 7, wherein when the grating bars in the liquid crystal grating are inclined grating bars, the left eye image display unit or the right eye image unit includes:
多个与所述倾斜光栅条对应倾斜排布的显示模块，每个显示模块均包括沿 水平方向依次排布的 6个子模块， 每个子模块均包括沿竖直方向依次排布的 3 个子像素，且后一个子模块中的第 1个子像素与前一个子模块中的第 2个子像 素位于同一行。 A plurality of display modules arranged obliquely corresponding to the oblique grating strips, each display module including 6 sub-modules arranged in sequence along the horizontal direction, and each sub-module including 3 sub-pixels arranged in sequence along the vertical direction, And the first sub-pixel in the latter sub-module is located in the same row as the second sub-pixel in the previous sub-module.
9、 根据权利要求 8所述的双方向立体显示装置， 其特征在于， 所述 6个 子模块中， 第 1个子模块中的 3个子像素均为红色子像素， 第 2个子模块中的 3个子像素均为绿色子像素， 第 3个子模块中的 3个子像素均为蓝色子像素， 第 4个子模块中的 3个子像素均为红色子像素，第 5个子模块中的 3个子像素 均为绿色子像素， 第 6个子模块中的 3个子像素均为蓝色子像素。 9. The bidirectional stereoscopic display device according to claim 8, wherein among the six sub-modules, three sub-pixels in the first sub-module are all red sub-pixels, and three sub-pixels in the second sub-module are red sub-pixels. All are green sub-pixels, the three sub-pixels in the third sub-module are all blue sub-pixels, the three sub-pixels in the fourth sub-module are all red sub-pixels, the three sub-pixels in the fifth sub-module are all green sub-pixels Pixel, the 3 sub-pixels in the 6th sub-module are all blue sub-pixels.
10、 根据权利要求 9所述的双方向立体显示装置， 其特征在于， 所述每个 显示模块的每一行均包括一个红色子像素、 一个蓝色子像素和一个绿色子像 素。 10. The bidirectional stereoscopic display device according to claim 9, wherein each row of each display module includes a red sub-pixel, a blue sub-pixel and a green sub-pixel.
PCT/CN2014/080586 2014-03-28 2014-06-24 Bidirectional stereoscopic display apparatus WO2015143791A1 (en)

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