WO2015081591A1 - 立体显示装置 - Google Patents

立体显示装置 Download PDF

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Publication number
WO2015081591A1
WO2015081591A1 PCT/CN2013/090210 CN2013090210W WO2015081591A1 WO 2015081591 A1 WO2015081591 A1 WO 2015081591A1 CN 2013090210 W CN2013090210 W CN 2013090210W WO 2015081591 A1 WO2015081591 A1 WO 2015081591A1
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WIPO (PCT)
Prior art keywords
pixel
electrode
stereoscopic display
display device
pixel regions
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Ceased
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PCT/CN2013/090210
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English (en)
French (fr)
Inventor
杨智名
范德勇
罗长诚
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US14/130,332 priority Critical patent/US9513488B2/en
Publication of WO2015081591A1 publication Critical patent/WO2015081591A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n

Definitions

  • the present invention relates to display devices, and more particularly to a stereoscopic display device.
  • stereoscopic display devices capable of presenting stereoscopic images (3D display) Device
  • 3D display 3D display
  • FIG. 1 is a schematic diagram of the working principle of a conventional stereoscopic display device.
  • the conventional stereoscopic display device of FIG. 1 adopts a phase delay (pattern)
  • the retarder technology which cooperates with the polarized glasses 14 to present a stereoscopic image.
  • a thin film transistor array substrate (Thin Film Transistor array) of a stereoscopic display device a TFT array substrate (not shown) is provided with a linear polarizing plate 10 on one side and a color filter substrate (Color Filter) Substrate;CF A ⁇ /4 array wave plate 12 is disposed on one side of a substrate (not shown).
  • the light emitted from the backlight module (not shown) of the stereoscopic display device is polarized to form linearly polarized light after passing through the linear polarizing plate 10, and the angle between the optical axis of the linear polarizing plate 10 and the horizontal direction H is 90°. Therefore, only light having a polarization direction of the vertical direction can pass through the linear polarizing plate 10, that is, the light passes through the linear polarizing plate 10 and becomes vertically polarized light.
  • the angle between the optical axis direction of the ⁇ /4 array wave plate 12 and the horizontal direction H includes 45° and 135°, and the two optical axis directions are alternately arranged in the vertical direction as shown in FIG. Therefore, the vertically polarized light from the linear polarizing plate 10 passes through the ⁇ /4 array wave plate 12 to simultaneously form right-handed circularly polarized light and left-handed circularly polarized light.
  • the polarized glasses 14 in combination with the stereoscopic display device include ⁇ /4 wave plates 140, 142 and vertical polarizing plates 144, 146 attached to the vertical polarizing plate 144 to form a left lens, ⁇ /4
  • the wave plate 142 is attached to the vertical polarizing plate 146 to form a right lens.
  • the optical axis direction of the ⁇ /4 wave plate 140 is 45°
  • the optical axis direction of the ⁇ /4 wave plate 142 is 135°.
  • the optical axis directions of the vertical polarizing plates 144, 146 are all perpendicular to the horizontal direction H.
  • the left-handed circularly polarized light from the ⁇ /4 array wave plate 12 can pass through the right lens to the observer's right eye, and the left-hand circularly polarized light is absorbed by the left lens without entering the observer's left eye.
  • Right-handed circularly polarized light from the ⁇ /4 array wave plate 12 can enter the observer's left eye through the left lens, and the right-handed circularly polarized light will be absorbed by the right lens without entering the observer's right eye. .
  • the image for the right eye of the observer and the image for the left eye of the observer are respectively arranged in accordance with the optical axis directions of the ⁇ /4 array wave plate 12 by 45° and 135° to make the right eye image.
  • the observer's right eye can only be observed, while the left eye image can only be observed by the observer's left eye, which allows the observer to feel the three-dimensional effect.
  • FIG. 2 is a diagram showing a pixel structure and a phase retardation film of a conventional stereoscopic display device (Film-type Patterned). Schematic diagram of Retarder; FPR) 20. The left side of the dotted line is the top view and the right side of the dotted line is the side view.
  • Figure 2 shows the transverse electric field switching mode (In-Plane Switching, IPS) or boundary electric field switching technology (Fringe Field Switching; FFS) stereoscopic display device.
  • the action of the phase retardation film 20 in FIG. 2 is the same as that of the ⁇ /4 array wave plate 12 of FIG.
  • the pixel structure of FIG. 2 includes a right pixel region 22 and a left pixel region 24, and the right pixel region 22 and the left pixel region 24 are each divided into two domain regions d1 and d2, and the right pixel region 22 and the left pixel region 24 are each only When there is a single domain region, a color shift phenomenon, such as yellowish or purple, may occur. Therefore, the purpose of dividing the right pixel region 22 and the left pixel region 24 into two domain regions d1 and d2 is to improve the color at a large viewing angle. Partial phenomenon.
  • the design of the above two domain regions d1, d2 affects the display effect of the vertical viewing angle, the upper viewing angle 26 will observe the domain region d1, and the lower viewing angle 28 will observe the domain region d2, since the liquid crystal is on the above two domain regions d1, d2 There are different tilting directions, causing the upper viewing angle 26 and the lower viewing angle 28 to produce color shifts and inconsistent brightness.
  • a stereoscopic display device includes a substrate, a plurality of rows of pixel regions, and a phase retardation film. These pixel regions are disposed on the substrate. These pixel regions each include a plurality of pixel units. Each pixel unit includes a first electrode and a second electrode. The phase retardation film is disposed on the pixel regions. The phase retardation film includes a plurality of 1/4 ⁇ films and a -1/4 ⁇ film and is sequentially arranged correspondingly to the respective pixel regions.
  • the pixel regions are divided into a plurality of groups, each group including N rows of pixel regions, and the first electrode of each pixel unit of the first N/2 rows of pixel regions of each group is one of "" type and """ type, each group The first electrode of each pixel unit of the last N/2 line pixel region is the other of the first electrodes of the pixel units different from the first N/2 pixel regions in the "" type and "" type .
  • N is a positive even number greater than or equal to 4.
  • the second electrode of each pixel unit is planar and disposed under the first electrode.
  • the first electrode of each pixel unit includes a plurality of bent strip electrodes.
  • each pixel unit is one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • a stereoscopic display device provided by the present invention includes a substrate, a plurality of rows of pixel regions, and a phase retardation film. These pixel regions are disposed on the substrate. These pixel regions each include a plurality of pixel units. Each pixel unit includes a first electrode and a second electrode. The phase retardation film is disposed on the pixel regions.
  • the pixel regions are divided into a plurality of groups, each group including N rows of pixel regions, and the first electrode of each pixel unit of the first N/2 rows of pixel regions of each group is one of "" type and """ type, each group The first electrode of each pixel unit of the last N/2 line pixel region is the other of the first electrodes of the pixel units different from the first N/2 pixel regions in the "" type and "" type .
  • N is a positive even number greater than or equal to 4.
  • the phase retardation film includes a plurality of 1/4 ⁇ films and a -1/4 ⁇ film alternately arranged.
  • the second electrode of each pixel unit is planar and disposed under the first electrode.
  • the first electrode of each pixel unit includes a plurality of bent strip electrodes.
  • each pixel unit is one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • a stereoscopic display device provided by the present invention includes a substrate, a plurality of rows of pixel regions, and a phase retardation film. These pixel regions are disposed on the substrate. These pixel regions each include a plurality of pixel units. Each pixel unit includes a first electrode and a second electrode. The phase retardation film is disposed on the pixel regions.
  • the first electrodes of the pixel units of each row of pixel regions are formed by N ""-type connections or N """ types, and N is a positive even number greater than or equal to 2.
  • the phase retardation film includes a plurality of 1/4 ⁇ films and a -1/4 ⁇ film alternately arranged.
  • the second electrode of each pixel unit is planar and disposed under the first electrode.
  • the first electrode of each pixel unit includes a plurality of bent strip electrodes.
  • each pixel unit is one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the stereoscopic display device of the present invention can solve the problem of color shift and inconsistent brightness in the prior art.
  • FIG. 1 is a schematic view showing the working principle of a conventional stereoscopic display device
  • FIG. 2 is a schematic view showing a pixel structure and a phase retardation film of a conventional stereoscopic display device
  • FIG. 3 is a perspective display device according to a first embodiment of the present invention.
  • FIG. 4 is a perspective display device in accordance with a second embodiment of the present invention.
  • FIG. 3 illustrates a stereoscopic display device 30 according to a first embodiment of the present invention, which includes a substrate 300, a phase retardation film 302, and a plurality of row pixel regions.
  • the four rows of pixel regions 304, 306, 308, and 310 are disposed on the substrate 300 in FIG.
  • the substrate 300 is, for example, a thin film transistor array substrate.
  • the phase retardation film 302 is disposed on the pixel regions 304, 306, 308, and 310 and includes a plurality of 1/4 ⁇ films and -1/4 ⁇ films alternately vertically arranged, such as "/" and " ⁇ " shapes as shown in FIG. And sequentially corresponding pixel regions 304, 306, 308, and 310 are alternately arranged vertically.
  • Each of the pixel regions 304, 306, 308, and 310 includes a plurality of pixel units 312.
  • Each of the pixel units 312 includes a first electrode 314 and a second electrode 316.
  • Each of the first electrodes 314 includes a plurality of bent strip electrodes.
  • the second electrode 316 is a planar shape and serves as a common electrode. The second electrode 316 may be disposed under the first electrode 314.
  • An insulating layer (not shown) is disposed between the first electrode 314 and the second electrode 316.
  • Each pixel unit 312 can be one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the present embodiment is characterized in that the pixel regions are divided into a plurality of groups, each group includes four rows of pixel regions, and the first electrodes of the pixel units of the first two rows of the pixel regions of each group are "" type, and the last two rows of pixels of each group
  • the first electrode of each pixel unit of the region is of a """ type, that is, the first electrodes of the pixel units of the first two rows of the pixel regions of each group are bent toward a first direction, and the last two rows of pixels of each group
  • the first electrode of each pixel unit of the region is bent toward a second direction, and the first direction is opposite to the second direction.
  • the first electrode 314 of each pixel unit 312 of the pixel regions 304, 306 (ie, the first two rows of pixel regions of each group) is "" type
  • the pixel regions 308, 310 ie, the last two rows of each group
  • the first electrode 314 of each pixel unit 312 of the pixel region is of the """ type.
  • the first electrode 314 of each pixel unit 312 of the pixel regions 304, 306 (ie, the first two rows of pixels of each group) is bent toward the left, and the pixel regions 308, 310 (ie, the last two rows of pixels of each group)
  • the first electrode 314 of each pixel unit 312 is bent toward the right side.
  • the first electrode 314 of the pixel unit 312 of the pixel regions 304, 306, 308, 310 is ""-shaped (ie, bent), the first electrode 314 of the pixel unit 312 of the pixel regions 304, 306, 308, 310 It is divided into two domain regions d1 and d2.
  • the right eye observes the pixel regions 304, 308, and the left eye observes the pixel regions 306, 310. Therefore, the right eye sees the domain region d1 of the first electrode 314 of the pixel region 304 and the domain region d2 of the first electrode 314 of the pixel region 308 from the upper perspective, and the left eye sees the pixel region 306 from the upper perspective.
  • the right eye sees the domain region d2 of the first electrode 314 of the pixel region 304 and the domain region d1 of the first electrode 314 of the pixel region 308 from the lower perspective
  • the left eye sees the pixel region from the lower perspective.
  • the configuration of the first electrode 314 of FIG. 3 can be The viewing angle is increased, and the problem of color shift and brightness inconsistency in the upper and lower viewing angles in the prior art can be effectively improved.
  • the first electrode 314 of each pixel unit 312 of the pixel regions 304, 306 (ie, the first two rows of pixel regions of each group) in FIG. 3 may be a """ type, a pixel region 308,
  • the first electrode 314 of each pixel unit 312 of 310 (i.e., the last two rows of pixel regions of each group) has a "" shape, and such an electrode configuration can also achieve the same effect as that of FIG.
  • the embodiment of FIG. 3 is a group of four rows of pixel regions.
  • the pixel regions of the present invention can be divided into multiple groups, each group including N rows of pixel regions, and the front N/ of each group.
  • the first electrode of each pixel unit of the two-line pixel region ie, the first row to the N/2th pixel region of each group
  • the first electrode of each pixel unit of the 2-line pixel region (ie, the N/2+1th row to the Nth pixel region of each group) is different from the front of each group in the "" type and "" type The other of the first electrodes of the respective pixel units of the N/2 line pixel region.
  • N is a positive even number greater than or equal to 4.
  • FIG. 4 illustrates a stereoscopic display device 40 according to a second embodiment of the present invention, which includes a substrate 400, a phase retardation film (not shown), and a plurality of rows of pixel regions.
  • the phase retardation film is omitted in FIG. 4, and the phase retardation film 302 of FIG. 3 can be referred to.
  • the phase retardation film of the present embodiment includes a 1/4 ⁇ film and a -1/4 ⁇ film alternately arranged, and the "/" and " ⁇ " shapes as shown in FIG.
  • the corresponding pixel regions 404, 406, 408, and 410 are alternately arranged vertically.
  • the substrate 400 is, for example, a thin film transistor array substrate.
  • Four rows of pixel regions 404, 406, 408, 410 are included in FIG.
  • Each of the pixel regions 404, 406, 408, and 410 includes a plurality of pixel units 412.
  • Each of the pixel units 412 includes a first electrode 414 and a second electrode 416.
  • Each of the first electrodes 414 includes a plurality of bent strip electrodes.
  • the second electrode 416 is a planar shape and serves as a common electrode.
  • the second electrode 416 may be disposed under the first electrode 414.
  • An insulating layer (not shown) is disposed between the first electrode 414 and the second electrode 416.
  • Each pixel unit 412 can be one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the embodiment is characterized in that the first electrode 414 of each pixel unit 412 of each row of pixel regions 404, 406, 408, 410 is formed by N ""-type connections, and N is a positive even number greater than or equal to 2, more specifically
  • the first electrodes 414 of all the pixel units 412 of the pixel regions 404, 406, 408, and 410 are all connected by at least two lines bent to the left, that is, both lines are bent in the same direction (left side). .
  • the first electrode 414 of the pixel unit 412 of the pixel regions 404, 406, 408, 410 presents two ""-type connections
  • the first electrode 414 of the pixel unit 412 of the pixel regions 404, 406, 408, 410 is divided into Four domain regions d3, d4, d5, d6.
  • the right eye observes the pixel regions 404, 408, and the left eye observes the pixel regions 406, 410. Therefore, the right eye sees the domain regions d3 and d4 of the first electrode 414 of the pixel region 404 and the domain regions d3 and d4 of the first electrode 414 of the pixel region 408 from the upper perspective, and the left eye sees the pixel from the upper perspective.
  • the right eye sees the domain regions d6, d5 of the first electrode 414 of the pixel region 404 and the domain regions d6, d5 of the first electrode 414 of the pixel region 408 from the lower perspective
  • the left eye sees from the lower perspective.
  • the configuration of the first electrode 414 of FIG. 4 can be The viewing angle is increased, and the problem of color shift and brightness inconsistency in the upper and lower viewing angles in the prior art can be effectively improved.
  • the first electrode 414 of the pixel unit 412 is formed by two ""-type connections, and in another embodiment, the first electrode 414 of the pixel unit 412 can represent N.
  • the """ type is connected, N is a positive even number greater than or equal to 2, more specifically, the first electrodes 414 of all the pixel units 412 of the pixel regions 404, 406, 408, 410 all include at least two curved toward the right
  • the folded lines are connected, that is, both lines are bent in the same direction (right side).
  • the stereoscopic display device 30 of FIG. 3 and the stereoscopic display device 40 of FIG. 4 are in a transverse electric field switching mode (In-Plane). Switching, IPS) or Fringe Field Switching (FFS) stereoscopic display device.
  • IPS transverse electric field switching mode
  • FFS Fringe Field Switching
  • the stereoscopic display device 30 of FIG. 3 and the stereoscopic display device 40 of FIG. 4 further include a plurality of scan lines, a plurality of data lines, and a plurality of thin film transistors, the configuration of which is well known to those skilled in the art. This is not to be repeated.

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Abstract

一种立体显示装置（30），包括一基板（300）、多行画素区域（304、306、308、310）以及一相位延迟膜（302），画素区域（304、306、308、310）设置于基板（300）上，画素区域（304、306、308、310）各包括多个画素单元（312），各画素单元（312）包括一第一电极（314）以及一第二电极（316），相位延迟膜（302）设置于画素区域（304、306、308、310）上。画素区域分成多组，各组包括N行画素区域（304、306、308、310），各组的前N/2行画素区域（304、306）的各画素单元（312）的第一电极（314）为"《"型和"》"型的其中一者，各组的后N/2行画素区域（308、310）的各画素单元（312）的第一电极（314）为"《"型和"》"型中不同于前N/2行画素区域（304、306）的各画素单元（312）的第一电极（314）的另一者，N为大于或等于4的正偶数。该立体显示装置（30）能解决现有技术中色偏且亮度不一致的问题。

Description

立体显示装置 技术领域
本发明涉及显示装置，特别是涉及一种立体显示装置。
 背景技术
随着液晶显示装置的发展，能够呈现立体影像的立体显示装置（3D display device）已逐渐进入市场并将成为下一世代液晶显示装置的发展方向。
请参阅图1，图1为现有的立体显示装置的工作原理示意图。图1的现有的立体显示装置是采用相位延迟（pattern retarder）技术，其配合偏光眼镜14呈现出立体影像。
如图1所示，在立体显示装置的薄膜晶体管阵列基板（Thin Film Transistor array substrate；TFT array substrate，未图示）的一侧设置有一线偏振片10，而在彩色滤光片基板（Color Filter substrate；CF substrate，未图示）的一侧设置有一λ/4阵列波片12。从立体显示装置之背光模组（未图示）发出的光线经过线偏振片10后会被极化形成线偏振光，线偏振片10的光轴与水平方向H之间的夹角成90°，故只有偏振方向为垂直方向的光线能够通过线偏振片10，也就是说，光线通过线偏振片10后成为垂直偏振光。
λ/4阵列波片12的光轴方向与水平方向H之间的夹角包括45°及135°，这两种光轴方向如图1所示沿着垂直方向交替排列。因此，来自线偏振片10的垂直偏振光经过λ/4阵列波片12后会同时形成右旋圆偏振光和左旋圆偏振光。
与立体显示装置搭配的偏光眼镜14包括λ/4波片140、142以及垂直偏振片144、146，λ/4波片140贴附在垂直偏振片144上以形成一左眼镜片，λ/4波片142贴附在垂直偏振片146上以形成一右眼镜片。λ/4波片140的光轴方向为45°，λ/4波片142的光轴方向为135°。垂直偏振片144、146之光轴方向皆与水平方向H垂直。来自于λ/4阵列波片12的左旋圆偏振光可以通过右眼镜片而进到观测者的右眼，左旋圆偏振光会被左眼镜片吸收而不会进到观测者的左眼。来自于λ/4阵列波片12的右旋圆偏振光可以通过左眼镜片而进到观测者的左眼，右旋圆偏振光会被右眼镜片吸收而不会进到观测者的右眼。
因此，只要将供观测者的右眼观测的影像和供观测者的左眼观测的影像分别对应λ/4阵列波片12的光轴方向45°、135°作适当的排列，使右眼影像只能让观测者的右眼观测，而左眼影像只能让观测者的左眼观测，即能让观测者感受到三维效果。
请参阅图2，图2为现有的立体显示装置的画素结构与相位延迟膜（Film-type Patterned Retarder；FPR）20的示意图。虚线左边为上视图，虚线右边为侧视图。图2为横向电场切换方式(In-Plane Switching，IPS)或边界电场切换技术(Fringe Field Switching；FFS)的立体显示装置。图2中的相位延迟膜20的作用与图1的λ/4阵列波片12相同，也就是说，线偏振光经过相位延迟膜20时，会分别形成左旋圆偏振光和右旋圆偏振光，再经过图1的偏光眼镜14让观测者感受到三维效果。图2的画素结构包括右画素区域22以及左画素区域24，且右画素区域22以及左画素区域24各分成两畴区（domain）d1、d2，当右画素区域22以及左画素区域24各仅有单一畴区时，会产生色偏现象，例如偏黄或偏紫的问题，因此将右画素区域22以及左画素区域24各分成两畴区d1、d2的目的即在于改善大视角下的色偏现象。
然而，上述两畴区d1、d2的设计会影响垂直视角的显示效果，上视角26会观测到畴区d1，下视角28会观测到畴区d2，由于液晶在上述两畴区d1、d2上有不同的倾倒方向，造成上视角26及下视角28产生色偏且亮度不一致的问题。
因此需要对现有技术中两畴区的设计产生色偏且亮度不一致的问题提出解决方法。
 技术问题
本发明的目的在于提供一种立体显示装置，其能解决现有技术中色偏且亮度不一致的问题。
 技术解决方案
本发明提供的一种立体显示装置包括一基板、多行画素区域以及一相位延迟膜。這些画素区域设置于所述基板上。这些画素区域各包括多个画素单元。各画素单元包括一第一电极以及一第二电极。所述相位延迟膜设置于这些画素区域上。所述相位延迟膜包括多个1/4λ膜以及-1/4λ膜并依序对应各行画素区域交替排列而成。这些画素区域分成多组，各组包括N行画素区域，各组的前N/2行画素区域的各画素单元的第一电极为“《”型和“》”型的其中一者，各组的后N/2行画素区域的各画素单元的第一电极为“《”型和“》”型中不同于所述前N/2行画素区域的各画素单元的第一电极的另一者。N为大于或等于4的正偶数。
在本发明的立体显示装置中，各画素单元的第二电极为一平面状且设置于所述第一电极之下。
在本发明的立体显示装置中，各画素单元的第一电极包括多条弯折的条状电极。
在本发明的立体显示装置中，各画素单元为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
为解决上述问题，本发明提供的一种立体显示装置包括一基板、多行画素区域以及一相位延迟膜。這些画素区域设置于所述基板上。这些画素区域各包括多个画素单元。各画素单元包括一第一电极以及一第二电极。所述相位延迟膜设置于这些画素区域上。这些画素区域分成多组，各组包括N行画素区域，各组的前N/2行画素区域的各画素单元的第一电极为“《”型和“》”型的其中一者，各组的后N/2行画素区域的各画素单元的第一电极为“《”型和“》”型中不同于所述前N/2行画素区域的各画素单元的第一电极的另一者。N为大于或等于4的正偶数。
在本发明的立体显示装置中，所述相位延迟膜包括多个1/4λ膜以及-1/4λ膜交替排列而成。
在本发明的立体显示装置中，各画素单元的第二电极为一平面状且设置于所述第一电极之下。
在本发明的立体显示装置中，各画素单元的第一电极包括多条弯折的条状电极。
在本发明的立体显示装置中，各画素单元为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
为解决上述问题，本发明提供的一种立体显示装置包括一基板、多行画素区域以及一相位延迟膜。这些画素区域设置于所述基板上。这些画素区域各包括多个画素单元。各画素单元包括一第一电极以及一第二电极。所述相位延迟膜设置于这些画素区域上。各行画素区域的各画素单元的第一电极呈现N个“《”型连接而成或N个“》”型连接而成，N为大于或等于2的正偶数。
在本发明的立体显示装置中，所述相位延迟膜包括多个1/4λ膜以及-1/4λ膜交替排列而成。
在本发明的立体显示装置中，各画素单元的第二电极为一平面状且设置于所述第一电极之下。
在本发明的立体显示装置中，各画素单元的第一电极包括多条弯折的条状电极。
在本发明的立体显示装置中，各画素单元为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
 有益效果
相较于现有技术，本发明的立体显示装置能解决现有技术中色偏且亮度不一致的问题。
 附图说明
图1为现有的立体显示装置的工作原理示意图；
图2为现有的立体显示装置的画素结构与相位延迟膜的示意图；
图3为根据本发明第一实施例的立体显示装置；以及
图4为根据本发明第二实施例的立体显示装置。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。
请参阅图3，图3为根据本发明第一实施例的立体显示装置30，其包括一基板300、一相位延迟膜302以及多行（row）画素区域。图3中包括四行画素区域304、306、308、310设置于所述基板300上。所述基板300例如为一薄膜晶体管阵列基板。相位延迟膜302设置于画素区域304、306、308、310上且包括多个1/4λ膜以及-1/4λ膜交替垂直排列而成，如图3所示之“/”及“\”形状并依序对应画素区域304、306、308、310交替垂直排列。
所述画素区域304、306、308、310各包括多个画素单元312，各画素单元312包括一第一电极314以及一第二电极316，各第一电极314包括多条弯折的条状电极并作为一画素电极，所述第二电极316为一平面状且作为一共同电极。所述第二电极316可以设置于所述第一电极314之下。所述第一电极314与所述第二电极316之间具有一绝缘层（未图示）。
各画素单元312可以为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
本实施例之特点在于这些画素区域分成多组，各组包括四行画素区域，各组的前两行画素区域的各画素单元的第一电极为“《”型，各组的后两行画素区域的各画素单元的第一电极为“》”型，也就是说，各组的前两行画素区域的各画素单元的第一电极朝向一第一方向弯折，各组的后两行画素区域的各画素单元的第一电极朝向一第二方向弯折，且所述第一方向与所述第二方向为相反方向。
于图3中，画素区域304、306（即各组的前两行画素区域）的各画素单元312的第一电极314为“《”型，画素区域308、310（即各组的后两行画素区域）的各画素单元312的第一电极314为“》”型。
换个方式说，画素区域304、306（即各组的前两行画素区域）的各画素单元312的第一电极314朝向左边弯折，画素区域308、310（即各组的后两行画素区域）的各画素单元312的第一电极314朝向右边弯折。
要说明的是，图3中仅绘式一组（即四行）画素区域，其他组的画素区域的第一电极与画素区域304、306、308、310具有相同的配置，此不多加赘述。
由于画素区域304、306、308、310的画素单元312的第一电极314为“《”型（即弯折状），故画素区域304、306、308、310的画素单元312的第一电极314分成两畴区d1、d2。
当立体显示装置30显示立体影像时，右眼观测到的是画素区域304、308，左眼观测到的是画素区域306、310。因此右眼从上视角看到的是画素区域304的第一电极314的畴区d1及画素区域308的第一电极314的畴区d2，左眼从上视角看到的是画素区域306的第一电极314的畴区d1及画素区域310的第一电极314的畴区d2。
另一方面，右眼从下视角看到的是画素区域304的第一电极314的畴区d2及画素区域308的第一电极314的畴区d1，左眼从下视角看到的是画素区域306的第一电极314的畴区d2及画素区域310的第一电极314的畴区d1。
综上可知，从上视角看到的是畴区d1及畴区d2平均分布，从下视角看到的是畴区d2及畴区d1平均分布，因此图3的第一电极314的配置不仅能增加视角，且能有效改善现有技术中上视角及下视角产生色偏且亮度不一致的问题。
此外，于另一实施例中，图3中的画素区域304、306（即各组的前两行画素区域）的各画素单元312的第一电极314可以为“》”型，画素区域308、310（即各组的后两行画素区域）的各画素单元312的第一电极314为“《”型，这样的电极配置同样能达成与图3相同之效果。
此外，图3的实施例是以四行画素区域为一组，根据图3的实施例的概念，本发明的画素区域可以分成多组，各组包括N行画素区域，各组的前N/2行画素区域（即各组的第1行至第N/2行画素区域）的各画素单元的第一电极为“《”型和“》”型的其中一者，各组的后N/2行画素区域（即各组的第N/2+1行至第N行画素区域）的各画素单元的第一电极为“《”型和“》”型中不同于所述各组的前N/2行画素区域的各画素单元的第一电极的另一者。N为大于或等于4的正偶数。
请参阅图4，图4为根据本发明第二实施例的立体显示装置40，其包括一基板400、一相位延迟膜（未图示）以及多行画素区域，为了使图示简化及清晰，图4中省略相位延迟膜，可参考图3之相位延迟膜302。与图3所示之相位延迟膜302相同，本实施例之相位延迟膜包括1/4λ膜以及-1/4λ膜交替排列而成，且如图3所示之“/”及“\”形状并依序对应画素区域404、406、408、410交替垂直排列。
所述基板400例如为一薄膜晶体管阵列基板。图4中包括四行画素区域404、406、408、410。所述画素区域404、406、408、410各包括多个画素单元412，各画素单元412包括一第一电极414以及一第二电极416，各第一电极414包括多条弯折的条状电极并作为一画素电极，所述第二电极416为一平面状并作为一共同电极。所述第二电极416可以设置于所述第一电极414之下。所述第一电极414与所述第二电极416之间具有一绝缘层（未图示）。
各画素单元412可以为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
本实施例之特点在于各行画素区域404、406、408、410的各画素单元412的第一电极414呈现N个“《”型连接而成，N为大于或等于2的正偶数，更明确地说，画素区域404、406、408、410的所有画素单元412的第一电极414皆包括至少两个朝向左边弯折的线路连接而成，亦即两个线路都朝向相同方向（左边）弯折。
由于画素区域404、406、408、410的画素单元412的第一电极414呈现2个“《”型连接而成，故画素区域404、406、408、410的画素单元412的第一电极414分成四畴区d3、d4、d5、d6。
当立体显示装置40显示立体影像时，右眼观测到的是画素区域404、408，左眼观测到的是画素区域406、410。因此右眼从上视角看到的是画素区域404的第一电极414的畴区d3、d4及画素区域408的第一电极414的畴区d3、d4，左眼从上视角看到的是画素区域406的畴区d3、d4及画素区域410的第一电极414的畴区d3、d4。
另一方面，右眼从下视角看到的是画素区域404的第一电极414的畴区d6、d5及画素区域408的第一电极414的畴区d6、d5，左眼从下视角看到的是画素区域406的第一电极414的畴区d6、d5及画素区域410的第一电极414的畴区d6、d5。
综上可知，从上视角看到的是畴区d3及畴区d4平均分布，从下视角看到的是畴区d6及畴区d5平均分布，因此图4的第一电极414的配置不仅能增加视角，且能有效改善现有技术中上视角及下视角产生色偏且亮度不一致的问题。
要说明的是，图4的实施例中，画素单元412的第一电极414呈现2个“《”型连接而成，于另一实施例中，画素单元412的第一电极414可以呈现N个“》”型连接而成，N为大于或等于2的正偶数，更明确地说，画素区域404、406、408、410的所有画素单元412的第一电极414皆包括至少两个朝向右边弯折的线路连接而成，亦即两个线路都朝向相同方向（右边）弯折。
此外，本发明图3的立体显示装置30及图4的立体显示装置40为横向电场切换方式(In-Plane Switching，IPS)或边界电场切换技术(Fringe Field Switching；FFS)的立体显示装置。
最后，要说明的是，图3的立体显示装置30及图4的立体显示装置40进一步包括多条扫描线、多条数据线以及多个薄膜晶体管，其配置为本领域的普通技术人员所熟知，此不多加赘述。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
 本发明的实施方式
工业实用性
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Claims (14)

  1. 一种立体显示装置，包括：
    一基板；
    多行画素区域，设置于所述基板上，这些画素区域各包括多个画素单元，各画素单元包括一第一电极以及一第二电极；以及
    一相位延迟膜，设置于这些画素区域上，所述相位延迟膜包括多个1/4λ膜以及-1/4λ膜并依序对应各行画素区域交替排列而成，
    其中这些画素区域分成多组，各组包括N行画素区域，各组的前N/2行画素区域的各画素单元的第一电极为“《”型和“》”型的其中一者，各组的后N/2行画素区域的各画素单元的第一电极为“《”型和“》”型中不同于所述前N/2行画素区域的各画素单元的第一电极的另一者，N为大于或等于4的正偶数。
  2. 根据权利要求1所述的立体显示装置，其中各画素单元的第二电极为一平面状且设置于所述第一电极之下。
  3. 根据权利要求1所述的立体显示装置，其中各画素单元的第一电极包括多条弯折的条状电极。
  4. 根据权利要求1所述的立体显示装置，其中各画素单元为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
  5. 一种立体显示装置，包括：
    一基板；
    多行画素区域，设置于所述基板上，这些画素区域各包括多个画素单元，各画素单元包括一第一电极以及一第二电极；以及
    一相位延迟膜，设置于这些画素区域上，
    其中这些画素区域分成多组，各组包括N行画素区域，各组的前N/2行画素区域的各画素单元的第一电极为“《”型和“》”型的其中一者，各组的后N/2行画素区域的各画素单元的第一电极为“《”型和“》”型中不同于所述前N/2行画素区域的各画素单元的第一电极的另一者，N为大于或等于4的正偶数。
  6. 根据权利要求5所述的立体显示装置，其中所述相位延迟膜包括多个1/4λ膜以及-1/4λ膜交替排列而成。
  7. 根据权利要求5所述的立体显示装置，其中各画素单元的第二电极为一平面状且设置于所述第一电极之下。
  8. 根据权利要求5所述的立体显示装置，其中各画素单元的第一电极包括多条弯折的条状电极。
  9. 根据权利要求5所述的立体显示装置，其中各画素单元为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
  10. 一种立体显示装置，包括：
    一基板；
    多行画素区域，设置于所述基板上，这些画素区域各包括多个画素单元，各画素单元包括一第一电极以及一第二电极；以及
    一相位延迟膜，设置于这些画素区域上，
    其中各行画素区域的各画素单元的第一电极呈现N个“《”型连接而成或N个“》”型连接而成，N为大于或等于2的正偶数。
  11. 根据权利要求10所述的立体显示装置，其中所述相位延迟膜包括多个1/4λ膜以及-1/4λ膜交替排列而成。
  12. 根据权利要求10所述的立体显示装置，其中各画素单元的第二电极为一平面状且设置于所述第一电极之下。
  13. 根据权利要求10所述的立体显示装置，其中各画素单元的第一电极包括多条弯折的条状电极。
  14. 根据权利要求10所述的立体显示装置，其中各画素单元为一红色子画素、一绿色子画素以及一蓝色子画素之其中一者。
PCT/CN2013/090210 2013-12-06 2013-12-23 立体显示装置 Ceased WO2015081591A1 (zh)

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CN108470524A (zh) * 2018-03-20 2018-08-31 武汉华星光电技术有限公司 显示装置及其像素结构

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