WO2016106884A1 - 像素单元结构及显示装置 - Google Patents

像素单元结构及显示装置 Download PDF

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Publication number
WO2016106884A1
WO2016106884A1 PCT/CN2015/071076 CN2015071076W WO2016106884A1 WO 2016106884 A1 WO2016106884 A1 WO 2016106884A1 CN 2015071076 W CN2015071076 W CN 2015071076W WO 2016106884 A1 WO2016106884 A1 WO 2016106884A1
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pixel
sub
area
main
liquid crystal
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PCT/CN2015/071076
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English (en)
French (fr)
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许哲豪
康志聪
姚晓慧
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深圳市华星光电技术有限公司
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Priority to US14/418,609 priority Critical patent/US9864228B2/en
Publication of WO2016106884A1 publication Critical patent/WO2016106884A1/zh

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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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a pixel unit structure and a display device.
  • liquid crystal displays have become the most widely used display devices.
  • a Vertical Alignment (VA) type liquid crystal display is a common liquid crystal display.
  • a low color shift (LCS) design is performed on the pixel unit, that is, each sub-pixel unit is divided into a main pixel area and a sub-pixel area.
  • the main pixel electrode in the main pixel region and the sub-pixel electrode in the sub-pixel region are first charged with the same potential, and then the voltage of the sub-pixel electrode is pulled lower, so that the potential of the sub-pixel electrode is lower than the main pixel electrode. .
  • the brightness of the sub-pixel region is lower than that of the main pixel region, and the deflection angles of the liquid crystal molecules in the main pixel region and the sub-pixel region are also different, thereby improving the large-view character bias phenomenon of the VA-type liquid crystal display.
  • the area between the main pixel area and the sub-pixel area cannot be transmitted, thereby reducing the aperture ratio of the liquid crystal display, thereby reducing the transmittance of the liquid crystal display.
  • the resolution of the current liquid crystal display is getting higher and higher, and the aperture ratio and the transmittance itself are lower, it is more important to increase the transmittance of the liquid crystal display.
  • the present invention provides a pixel unit structure including three sub-pixels of different colors, which are a red sub-pixel, a green sub-pixel, and a blue sub-pixel;
  • At least one of the three sub-pixels is divided into a main pixel area and a sub-pixel area, and the green sub-pixel is a unitary structure.
  • the brightness of the main pixel area is higher than the brightness of the sub-pixel area.
  • the area of the main pixel area is larger than the area of the sub-pixel area.
  • main pixel area and the sub-pixel area each include four pixel domains.
  • the blue sub-pixel is divided into a main pixel area and a sub-pixel area, and the red sub-pixel is a unitary structure.
  • the red sub-pixel is divided into a main pixel area and a sub-pixel area
  • the blue sub-pixel is a unitary structure
  • the blue sub-pixel and the red sub-pixel are equally divided into a main pixel area and a sub-pixel area.
  • the present invention also provides a display device comprising a plurality of pixel units having the above-described pixel unit structure.
  • the display device is a vertically arranged display device.
  • the pixel unit structure provided by the present invention includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. At least one sub-pixel is designed by using an LCS, and is divided into a main pixel area and a sub-pixel area to improve the large-view character bias phenomenon of the VA type liquid crystal display. At the same time, because the green sub-pixel is the highest transmittance among the three sub-pixels, the green sub-pixel does not adopt the LCS design, but retains the original integrated structure. Therefore, by setting the green sub-pixels as a one-piece structure, the transmittance of the liquid crystal display can be greatly improved, thereby improving the technical problem that the existing LCS design causes a decrease in transmittance of the liquid crystal display.
  • FIG. 1 is a schematic diagram of a structure of a pixel unit according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a structure of a pixel unit according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram of a structure of a pixel unit according to Embodiment 3 of the present invention.
  • Embodiments of the present invention provide a pixel unit structure, which can be applied to a VA type liquid crystal display.
  • the pixel unit structure includes three sub-pixels of different colors, which are a red sub-pixel, a green sub-pixel, and a blue sub-pixel, respectively. At least one of the three sub-pixels is divided into a main pixel area and a sub-pixel area, and the green sub-pixel is a unitary structure.
  • a red sub-pixel, a green sub-pixel, and a blue sub-pixel are included.
  • At least one sub-pixel is designed by using an LCS, and is divided into a main pixel area and a sub-pixel area to improve the large-view character bias phenomenon of the VA type liquid crystal display.
  • the green sub-pixel because the green sub-pixel is the highest transmittance among the three sub-pixels, the green sub-pixel does not adopt the LCS design, but retains the original integrated structure. Therefore, by setting the green sub-pixels as a one-piece structure, the transmittance of the liquid crystal display can be greatly improved, thereby improving the technical problem that the existing LCS design causes a decrease in transmittance of the liquid crystal display.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the pixel unit structure provided by the embodiment of the present invention includes three sub-pixels of different colors, which are a red sub-pixel 11 , a green sub-pixel 12 , and a blue sub-pixel 13 .
  • the blue sub-pixel 13 is designed by the LCS and is divided into a main pixel area 131 and a sub-pixel area 132.
  • the red sub-pixel 11 and the green sub-pixel 12 do not adopt an LCS design, and the original integrated structure is retained.
  • the red sub-pixel 11 and the green sub-pixel 12 each include four pixel domains
  • the main pixel region 131 and the sub-pixel region 132 of the blue sub-pixel 13 also each include four pixel domains.
  • one pixel electrode is disposed in each of the red sub-pixel 11 and the green sub-pixel 12, and a main pixel electrode and a sub-pixel electrode are disposed in the main pixel region 131 and the sub-pixel region 132 of the blue sub-pixel 13, respectively.
  • each pixel electrode is similar to a fishbone shape, and the main electrode of the cross shape is a boundary line dividing the pixel domain, and each pixel domain is formed with a comb tooth electrode extending from the main electrode in various directions, and the main electrode and the comb tooth electrode are common A fishbone pixel electrode is formed.
  • the comb-shaped electrodes in the four pixel domains each extend in different directions, the deflection directions of the liquid crystal molecules in the four pixel domains are also different under the driving of the comb-shaped electrodes, thereby making the liquid crystal The display has a larger viewing angle.
  • the blue sub-pixel 13 in the embodiment of the present invention adopts the LCS design, the phenomenon of large-view character deviation of the VA type liquid crystal display can be further improved.
  • the main pixel electrode and the sub-pixel electrode of the blue sub-pixel 13 are charged with the same potential, and the pixel electrode of the red sub-pixel 11 and the pixel electrode of the green sub-pixel 12 are also charged with an appropriate potential. Then, the voltage of the sub-pixel electrode of the blue sub-pixel 13 is pulled down so that the potential of the sub-pixel electrode is lower than that of the main pixel electrode.
  • the brightness of the sub-pixel region 132 is lower than that of the main pixel region 131, and the deflection angles of the liquid crystal molecules in the main pixel region 131 and the sub-pixel region 132 are also different, thereby improving the VA type liquid crystal display.
  • the blue sub-pixel 13 is designed by the LCS, and is divided into a main pixel area 131 and a sub-pixel area 132 to improve the large-view character bias phenomenon of the VA type liquid crystal display.
  • the red sub-pixel 11 and the green sub-pixel 12 do not adopt the LCS design, because the transmittances of the red sub-pixel 11 and the green sub-pixel 12 are higher than those of the blue sub-pixel 13, so the original integrated structure is retained. Therefore, by arranging the red sub-pixel 11 and the green sub-pixel 12 as an integrated structure, the transmittance of the liquid crystal display can be greatly improved, thereby improving the transmittance of the liquid crystal display due to the existing LCS design. Technical problem.
  • the area of the main pixel area 131 of the blue sub-pixel 13 is larger than the area of the sub-pixel area 132. Since the brightness of the sub-pixel region is lower than that of the main pixel region, the transmittance of the liquid crystal display is lowered, and the area of the sub-pixel region in the prior art is larger than the area of the main pixel region. In this embodiment, the area of the main pixel area 131 is increased, and the area of the sub-pixel area 132 is reduced, thereby reducing the influence of the sub-pixel area 132 on the transmittance, and further improving the transmittance of the liquid crystal display. The technical problem that the existing LCS design causes a decrease in the transmittance of the liquid crystal display is improved.
  • liquid crystal displays often display images with skin tones, while blue has a greater influence on the display of skin tones.
  • the area of the sub-pixel area of each sub-pixel is larger than the area of the main pixel area, including the blue sub-pixel.
  • the brightness loss of the blue light is large, which may cause the skin color seen by the user to be yellowish, affecting the display effect of the liquid crystal display.
  • the area of the main pixel area 131 of the blue sub-pixel 13 is larger than the area of the sub-pixel area 132, so when the user views from a larger viewing angle, the brightness loss of the blue light can be reduced, so that the user sees The skin color can maintain the original color tone without yellowing, which optimizes the display effect of the liquid crystal display.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the pixel unit structure provided by the embodiment of the present invention includes three sub-pixels of different colors, which are a red sub-pixel 21, a green sub-pixel 22, and a blue sub-pixel 23.
  • the red sub-pixel 21 and the blue sub-pixel 23 are designed by LCS, the red sub-pixel 21 is divided into a main pixel area 211 and a sub-pixel area 212, and the blue sub-pixel 23 is divided into a main pixel area 231 and a sub-pixel area 232;
  • the sub-pixel 22 does not use an LCS design, retaining the original integrated structure.
  • the green sub-pixel 22 includes four pixel domains, and the main pixel region 211 and the sub-pixel region 212 of the red sub-pixel 21, the main pixel region 231 and the sub-pixel region 232 of the blue sub-pixel 23 also include four Pixel field.
  • one pixel electrode is disposed in the green sub-pixel 22, and a main pixel electrode and a sub-pixel electrode are disposed in the main pixel region 211 and the sub-pixel region 212 of the red sub-pixel 21, respectively.
  • a main pixel electrode and a sub-pixel electrode are also provided in the pixel region 231 and the sub-pixel region 232, respectively.
  • Each pixel electrode The structure is similar to a fishbone shape, and the cross-shaped main electrode is a boundary line dividing the pixel domain, and each pixel domain is formed with a comb-shaped electrode extending from the main electrode in all directions, and the main electrode and the comb-shaped electrode together constitute a fishbone pixel electrode.
  • the comb-shaped electrodes in the four pixel domains each extend in different directions, the deflection directions of the liquid crystal molecules in the four pixel domains are also different under the driving of the comb-shaped electrodes, thereby making the liquid crystal The display has a larger viewing angle.
  • the red sub-pixel 21 and the blue sub-pixel 23 in the embodiment of the present invention are designed by LCS, the phenomenon of large-view character deviation of the VA type liquid crystal display can be further improved.
  • the main pixel electrode and the sub-pixel electrode of the red sub-pixel 21 are first charged with the same potential, and the main pixel electrode and the sub-pixel electrode of the blue sub-pixel 23 are also charged with the same potential, and are turned to green.
  • the pixel electrode of the sub-pixel 22 is also charged with an appropriate potential. Then, the voltage of the sub-pixel electrode of the red sub-pixel 21 and the sub-pixel electrode of the blue sub-pixel 23 is pulled down so that the potential of the sub-pixel electrode is lower than that of the main pixel electrode.
  • the luminance of the sub-pixel region 212 of the red sub-pixel 21 is lower than that of the main pixel region 211, and the deflection angles of the liquid crystal molecules in the main pixel region 211 and the sub-pixel region 212 are also different; the sub-pixel region 232 of the blue sub-pixel 23
  • the brightness is lower than the main pixel area 231, and the deflection angles of the liquid crystal molecules in the main pixel area 231 and the sub-pixel area 232 are also different, thereby improving the large-view character bias phenomenon of the VA type liquid crystal display.
  • the red sub-pixel 21 and the blue sub-pixel 23 are designed by using the LCS, and are divided into a main pixel area and a sub-pixel area to improve the large-view character bias phenomenon of the VA type liquid crystal display.
  • the green sub-pixel 22 since the green sub-pixel 22 has the highest transmittance among the three sub-pixels, the green sub-pixel 22 does not adopt the LCS design, but retains the original integrated structure. Therefore, by setting the green sub-pixel 22 as an integrated structure, the transmittance of the liquid crystal display can be greatly improved, thereby improving the technical problem that the existing LCS design causes a decrease in transmittance of the liquid crystal display.
  • the area of the main pixel region 231 of the blue sub-pixel 23 is larger than the area of the sub-pixel region 232. Since the brightness of the sub-pixel region is lower than that of the main pixel region, the transmittance of the liquid crystal display is lowered, and the area of the sub-pixel region in the prior art is larger than the area of the main pixel region. In this embodiment, the area of the main pixel region 231 is increased, and the area of the sub-pixel region 232 is reduced, thereby reducing the influence of the sub-pixel region 232 on the transmittance, and further improving the transmittance of the liquid crystal display. The technical problem that the existing LCS design causes a decrease in the transmittance of the liquid crystal display is improved.
  • the area of the main pixel area 211 of the red sub-pixel 21 is also larger than the area of the sub-pixel area 212, thereby weakening the influence of the sub-pixel area 212 on the transmittance, and further improving the transmittance of the liquid crystal display.
  • liquid crystal displays often display images with skin tones, while blue has a greater influence on the display of skin tones.
  • the area of the sub-pixel area of each sub-pixel is larger than the area of the main pixel area, including the blue sub-pixel.
  • the area of the main pixel area 231 of the blue sub-pixel 23 is larger than the area of the sub-pixel area 232, so when the user views from a larger viewing angle, the brightness loss of the blue light can be reduced, so that the user sees The skin color can maintain the original color tone without yellowing, which optimizes the display effect of the liquid crystal display.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the pixel unit structure provided by the embodiment of the present invention includes three sub-pixels of different colors, which are a red sub-pixel 31, a green sub-pixel 32, and a blue sub-pixel 33, respectively.
  • the red sub-pixel 31 adopts an LCS design and is divided into a main pixel area 311 and a sub-pixel area 312.
  • the green sub-pixel 32 and the blue sub-pixel 33 do not adopt an LCS design, and retain the original integrated structure.
  • the green sub-pixel 32 and the blue sub-pixel 33 each include four pixel domains
  • the main pixel region 311 and the sub-pixel region 312 of the red sub-pixel 31 also each include four pixel domains.
  • one pixel electrode is disposed in each of the green sub-pixel 32 and the blue sub-pixel 33, and a main pixel electrode and a sub-pixel electrode are disposed in the main pixel region 311 and the sub-pixel region 312 of the red sub-pixel 31, respectively.
  • each pixel electrode is similar to a fishbone shape, and the main electrode of the cross shape is a boundary line dividing the pixel domain, and each pixel domain is formed with a comb tooth electrode extending from the main electrode in various directions, and the main electrode and the comb tooth electrode are common A fishbone pixel electrode is formed.
  • the comb-shaped electrodes in the four pixel domains each extend in different directions, the deflection directions of the liquid crystal molecules in the four pixel domains are also different under the driving of the comb-shaped electrodes, thereby making the liquid crystal The display has a larger viewing angle.
  • the red sub-pixel 31 in the embodiment of the present invention adopts the LCS design, the phenomenon of large-view character deviation of the VA type liquid crystal display can be further improved.
  • the main pixel electrode and the sub-pixel electrode of the red sub-pixel 31 are charged with the same potential, and the pixel electrode of the green sub-pixel 32 and the pixel electrode of the blue sub-pixel 33 are also charged with an appropriate potential. Then, the voltage of the sub-pixel electrode of the red sub-pixel 31 is pulled down so that the potential of the sub-pixel electrode is lower than that of the main pixel electrode.
  • the brightness of the sub-pixel region 312 is lower than that of the main pixel region 311, and the deflection angles of the liquid crystal molecules in the main pixel region 311 and the sub-pixel region 312 are also different, thereby improving the large-view character bias phenomenon of the VA-type liquid crystal display.
  • the red sub-pixel 31 is designed by the LCS, and is divided into a main pixel area 311 and a sub-pixel area 312 to improve the large-view character bias phenomenon of the VA type liquid crystal display.
  • the green sub-pixel 32 since the green sub-pixel 32 is the highest transmittance among the three sub-pixels, the green sub-pixel 32 does not adopt the LCS design, but retains the original integrated structure. Therefore, by setting the green sub-pixel 32 as an integrated structure, the transmittance of the liquid crystal display can be greatly improved, thereby improving the technical problem that the existing LCS design causes a decrease in transmittance of the liquid crystal display.
  • the blue sub-pixel 33 does not adopt the LCS design, and retains the original integrated structure, and can also improve the transmittance of the liquid crystal display to some extent.
  • the area of the main pixel area 311 of the red sub-pixel 31 is larger than the area of the sub-pixel area 312. Since the brightness of the sub-pixel region is lower than that of the main pixel region, the transmittance of the liquid crystal display is lowered, and the area of the sub-pixel region in the prior art is larger than the area of the main pixel region. In this embodiment, the area of the main pixel region 311 is increased, and the area of the sub-pixel region 312 is reduced, thereby reducing the influence of the sub-pixel region 312 on the transmittance, and further improving the transmittance of the liquid crystal display.
  • the technical problem that the existing LCS design causes a decrease in the transmittance of the liquid crystal display is improved.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the embodiment of the invention provides a display device, which is preferably a VA type display device, and specifically may be a liquid crystal television, a liquid crystal display, a mobile phone, a tablet computer or the like.
  • the display device includes a plurality of pixel units, and the pixel unit has the pixel unit structure provided by the embodiment of the present invention.
  • the display device provided by the embodiment of the present invention has the same technical features as the pixel unit structure provided in the first embodiment, the second embodiment, and the third embodiment, so that the same technical problem can be solved and the same technical effect can be achieved.

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Abstract

一种像素单元结构及显示装置，属于显示技术领域，改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。该像素单元结构，包括三个不同颜色的子像素，分别为红色子像素、绿色子像素和蓝色子像素；三个子像素中至少一个子像素分为主像素区域和次像素区域，且所述绿色子像素为一体式结构。

Description

像素单元结构及显示装置
本申请要求享有2014年12月31日提交的名称为“像素单元结构及显示装置”的中国专利申请CN201410856594.6的优先权，其全部内容通过引用并入本文中。
技术领域
本发明涉及显示技术领域，具体地说，涉及一种像素单元结构及显示装置。
背景技术
随着显示技术的发展，液晶显示器已经成为应用最为广泛的显示装置。
垂直排列(Vertical Alignment，简称VA)型液晶显示器是一种常见的液晶显示器。目前，为了改善VA型液晶显示器的大视角色偏现象，会对像素单元进行低色偏(Low Color Shift，简称LCS)设计，也就是将每个子像素单元分为主像素区域和次像素区域。
在显示过程中，先向主像素区域中的主像素电极和次像素区域中的次像素电极充入相同的电位，再拉低次像素电极的电压，使次像素电极的电位低于主像素电极。这样会使次像素区域的亮度低于主像素区域，同时主像素区域与次像素区域中液晶分子的偏转角度也不同，从而改善了VA型液晶显示器的大视角色偏现象。
但是，对像素单元进行LCS设计之后，主像素区域与次像素区域之间的区域不能透光，因此降低了液晶显示器的开口率，进而降低了液晶显示器的透过率。另外，在当前液晶显示器的分辨率越来越高，而使开口率和透过率本身就较低的情况下，提高液晶显示器的透过率变得更为重要。
发明内容
本发明的目的在于提供一种像素单元结构及显示装置，以改善现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
本发明提供一种像素单元结构，包括三个不同颜色的子像素，分别为红色子像素、绿色子像素和蓝色子像素；
三个子像素中至少一个子像素分为主像素区域和次像素区域，且所述绿色子像素为一体式结构。
进一步的是，所述主像素区域的亮度高于所述次像素区域的亮度。
优选的是，所述主像素区域的面积大于所述次像素区域的面积。
进一步的是，所述主像素区域和所述次像素区域均包括四个像素域。
在第一种实施方式中，所述蓝色子像素分为主像素区域和次像素区域，所述红色子像素为一体式结构。
在第二种实施方式中，所述红色子像素分为主像素区域和次像素区域，所述蓝色子像素为一体式结构。
在第三种实施方式中，所述蓝色子像素和所述红色子像素均分为主像素区域和次像素区域。
本发明还提供一种显示装置，包括若干个像素单元，所述像素单元具有上述的像素单元结构。
优选的是，所述显示装置为垂直排列型显示装置。
本发明带来了以下有益效果：本发明提供的像素单元结构中，包括红色子像素、绿色子像素和蓝色子像素。其中，至少一个子像素采用LCS设计，分为主像素区域和次像素区域，以改善VA型液晶显示器的大视角色偏现象。同时，因为绿色子像素是三个子像素中透过率最高的，所以绿色子像素不采用LCS设计，而保留原有的一体式结构。因此，将绿色子像素设置为一体式结构，就能够在很大程度上提高液晶显示器的透过率，从而改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要的附图做简单的介绍：
图1是本发明实施例一提供的像素单元结构的示意图；
图2是本发明实施例二提供的像素单元结构的示意图；
图3是本发明实施例三提供的像素单元结构的示意图。
具体实施方式
以下将结合附图及实施例来详细说明本发明的实施方式，借此对本发明如何应用技术 手段来解决技术问题，并达成技术效果的实现过程能充分理解并据以实施。需要说明的是，只要不构成冲突，本发明中的各个实施例以及各实施例中的各个特征可以相互结合，所形成的技术方案均在本发明的保护范围之内。
本发明实施例提供一种像素单元结构，可应用于VA型液晶显示器。该像素单元结构包括三个不同颜色的子像素，分别为红色子像素、绿色子像素和蓝色子像素。三个子像素中至少一个子像素分为主像素区域和次像素区域，且绿色子像素为一体式结构。
本发明实施例提供的像素单元结构中，包括红色子像素、绿色子像素和蓝色子像素。其中，至少一个子像素采用LCS设计，分为主像素区域和次像素区域，以改善VA型液晶显示器的大视角色偏现象。同时，因为绿色子像素是三个子像素中透过率最高的，所以绿色子像素不采用LCS设计，而保留原有的一体式结构。因此，将绿色子像素设置为一体式结构，就能够在很大程度上提高液晶显示器的透过率，从而改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
实施例一：
如图1所示，本发明实施例提供的像素单元结构包括三个不同颜色的子像素，分别为红色子像素11、绿色子像素12和蓝色子像素13。其中，蓝色子像素13采用LCS设计，分为主像素区域131和次像素区域132；红色子像素11和绿色子像素12不采用LCS设计，保留原有的一体式结构。
作为一个优选方案，红色子像素11和绿色子像素12均包括四个像素域，蓝色子像素13的主像素区域131和次像素区域132也均包括四个像素域。如图1所示，红色子像素11和绿色子像素12中各设置有一个像素电极，蓝色子像素13的主像素区域131和次像素区域132中分别设置有主像素电极和次像素电极。每个像素电极的结构类似鱼骨状，十字形的主干电极为划分像素域的界线，每个像素域中形成有由主干电极向各个方向延伸的梳齿电极，而主干电极和梳齿电极共同构成鱼骨状像素电极。在显示过程中，由于四个像素域中的梳齿电极各自向不同的方向延伸，因此在梳齿电极的驱动下，四个像素域中的液晶分子的偏转方向也各不相同，从而使液晶显示器具有更大的可视视角。
另外，由于本发明实施例中的蓝色子像素13采用LCS设计，因此能够进一步改善VA型液晶显示器的大视角色偏现象。在显示过程中，先向蓝色子像素13的主像素电极和次像素电极充入相同的电位，同时也向红色子像素11的像素电极、绿色子像素12的像素电极充入适当的电位。然后，拉低蓝色子像素13的次像素电极的电压，使次像素电极的电位低于主像素电极。这样会使次像素区域132的亮度低于主像素区域131，同时主像素区域131与次像素区域132中液晶分子的偏转角度也不同，从而改善了VA型液晶显示 器的大视角色偏现象。
本发明实施例提供的像素单元结构中，蓝色子像素13采用LCS设计，分为主像素区域131和次像素区域132，以改善VA型液晶显示器的大视角色偏现象。同时，红色子像素11和绿色子像素12不采用LCS设计，因为红色子像素11和绿色子像素12的透过率均高于蓝色子像素13，所以保留原有的一体式结构。因此，将红色子像素11和绿色子像素12设置为一体式结构，就能够在很大程度上提高液晶显示器的透过率，从而改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
优选的是，本实施例中，蓝色子像素13的主像素区域131的面积大于次像素区域132的面积。因为次像素区域的亮度低于主像素区域，所以降低了液晶显示器的透过率，而且现有技术中次像素区域的面积都大于主像素区域的面积。而本实施例中增大了主像素区域131的面积，并且减小了次像素区域132的面积，从而减弱了次像素区域132对透过率的影响，进一步提高了液晶显示器的透过率，改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
另一方面，液晶显示器经常会显示带有肤色的图像，而蓝色对于肤色的显示效果的影响较大。采用现有的LCS设计方式，包括蓝色子像素在内，每个子像素的次像素区域的面积均大于主像素区域的面积。当用户从较大的视角观看时，由于蓝色光的亮度损失较大，会导致用户所观看到的肤色偏黄，影响液晶显示器的显示效果。本发明实施例中，蓝色子像素13的主像素区域131的面积大于次像素区域132的面积，所以当用户从较大的视角观看时，能够减少蓝色光的亮度损失，因此用户所观看到的肤色能够保持原有的色调，而不会出现偏黄的现象，从而优化了液晶显示器的显示效果。
实施例二：
如图2所示，本发明实施例提供的像素单元结构包括三个不同颜色的子像素，分别为红色子像素21、绿色子像素22和蓝色子像素23。其中，红色子像素21和蓝色子像素23采用LCS设计，红色子像素21分为主像素区域211和次像素区域212，蓝色子像素23分为主像素区域231和次像素区域232；绿色子像素22不采用LCS设计，保留原有的一体式结构。
作为一个优选方案，绿色子像素22包括四个像素域，红色子像素21的主像素区域211和次像素区域212、蓝色子像素23的主像素区域231和次像素区域232也均包括四个像素域。如图2所示，绿色子像素22中设置有一个像素电极，红色子像素21的主像素区域211和次像素区域212中分别设置有主像素电极和次像素电极，蓝色子像素23的主像素区域231和次像素区域232中也分别设置有主像素电极和次像素电极。每个像素电极的 结构类似鱼骨状，十字形的主干电极为划分像素域的界线，每个像素域中形成有由主干电极向各个方向延伸的梳齿电极，而主干电极和梳齿电极共同构成鱼骨状像素电极。在显示过程中，由于四个像素域中的梳齿电极各自向不同的方向延伸，因此在梳齿电极的驱动下，四个像素域中的液晶分子的偏转方向也各不相同，从而使液晶显示器具有更大的可视视角。
另外，由于本发明实施例中的红色子像素21和蓝色子像素23采用LCS设计，因此能够进一步改善VA型液晶显示器的大视角色偏现象。在显示过程中，先向红色子像素21的主像素电极和次像素电极充入相同的电位，同时也向蓝色子像素23的主像素电极和次像素电极充入相同的电位，并向绿色子像素22的像素电极也充入适当的电位。然后，拉低红色子像素21的次像素电极和蓝色子像素23的次像素电极的电压，使次像素电极的电位低于主像素电极。这样会使红色子像素21的次像素区域212的亮度低于主像素区域211，同时主像素区域211与次像素区域212中液晶分子的偏转角度也不同；蓝色子像素23的次像素区域232的亮度低于主像素区域231，同时主像素区域231与次像素区域232中液晶分子的偏转角度也不同，从而改善了VA型液晶显示器的大视角色偏现象。
本发明实施例提供的像素单元结构中，红色子像素21和蓝色子像素23采用LCS设计，分为主像素区域和次像素区域，以改善VA型液晶显示器的大视角色偏现象。同时，因为绿色子像素22是三个子像素中透过率最高的，所以绿色子像素22不采用LCS设计，而保留原有的一体式结构。因此，将绿色子像素22设置为一体式结构，就能够在很大程度上提高液晶显示器的透过率，从而改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
优选的是，本实施例中，蓝色子像素23的主像素区域231的面积大于次像素区域232的面积。因为次像素区域的亮度低于主像素区域，所以降低了液晶显示器的透过率，而且现有技术中次像素区域的面积都大于主像素区域的面积。而本实施例中增大了主像素区域231的面积，并且减小了次像素区域232的面积，从而减弱了次像素区域232对透过率的影响，进一步提高了液晶显示器的透过率，改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。同样的，红色子像素21的主像素区域211的面积也大于次像素区域212的面积，从而减弱次像素区域212对透过率的影响，进一步提高液晶显示器的透过率。
另一方面，液晶显示器经常会显示带有肤色的图像，而蓝色对于肤色的显示效果的影响较大。采用现有的LCS设计方式，包括蓝色子像素在内，每个子像素的次像素区域的面积均大于主像素区域的面积。当用户从较大的视角观看时，由于蓝色光的亮度损失较大， 会导致用户所观看到的肤色偏黄，影响液晶显示器的显示效果。本发明实施例中，蓝色子像素23的主像素区域231的面积大于次像素区域232的面积，所以当用户从较大的视角观看时，能够减少蓝色光的亮度损失，因此用户所观看到的肤色能够保持原有的色调，而不会出现偏黄的现象，从而优化了液晶显示器的显示效果。
实施例三：
如图3所示，本发明实施例提供的像素单元结构包括三个不同颜色的子像素，分别为红色子像素31、绿色子像素32和蓝色子像素33。其中，红色子像素31采用LCS设计，分为主像素区域311和次像素区域312；绿色子像素32和蓝色子像素33不采用LCS设计，保留原有的一体式结构。
作为一个优选方案，绿色子像素32和蓝色子像素33均包括四个像素域，红色子像素31的主像素区域311和次像素区域312也均包括四个像素域。如图3所示，绿色子像素32和蓝色子像素33中各设置有一个像素电极，红色子像素31的主像素区域311和次像素区域312中分别设置有主像素电极和次像素电极。每个像素电极的结构类似鱼骨状，十字形的主干电极为划分像素域的界线，每个像素域中形成有由主干电极向各个方向延伸的梳齿电极，而主干电极和梳齿电极共同构成鱼骨状像素电极。在显示过程中，由于四个像素域中的梳齿电极各自向不同的方向延伸，因此在梳齿电极的驱动下，四个像素域中的液晶分子的偏转方向也各不相同，从而使液晶显示器具有更大的可视视角。
另外，由于本发明实施例中的红色子像素31采用LCS设计，因此能够进一步改善VA型液晶显示器的大视角色偏现象。在显示过程中，先向红色子像素31的主像素电极和次像素电极充入相同的电位，同时也向绿色子像素32的像素电极、蓝色子像素33的像素电极充入适当的电位。然后，拉低红色子像素31的次像素电极的电压，使次像素电极的电位低于主像素电极。这样会使次像素区域312的亮度低于主像素区域311，同时主像素区域311与次像素区域312中液晶分子的偏转角度也不同，从而改善了VA型液晶显示器的大视角色偏现象。
本发明实施例提供的像素单元结构中，红色子像素31采用LCS设计，分为主像素区域311和次像素区域312，以改善VA型液晶显示器的大视角色偏现象。同时，因为绿色子像素32是三个子像素中透过率最高的，所以绿色子像素32不采用LCS设计，而保留原有的一体式结构。因此，将绿色子像素32设置为一体式结构，就能够在很大程度上提高液晶显示器的透过率，从而改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。此外，蓝色子像素33也不采用LCS设计，保留原有的一体式结构，也能够在一定程度上提高液晶显示器的透过率。
优选的是，本实施例中，红色子像素31的主像素区域311的面积大于次像素区域312的面积。因为次像素区域的亮度低于主像素区域，所以降低了液晶显示器的透过率，而且现有技术中次像素区域的面积都大于主像素区域的面积。而本实施例中增大了主像素区域311的面积，并且减小了次像素区域312的面积，从而减弱了次像素区域312对透过率的影响，进一步提高了液晶显示器的透过率，改善了现有的LCS设计会导致液晶显示器的透过率降低的技术问题。
实施例四：
本发明实施例提供一种显示装置，优选为VA型显示装置，具体可以是液晶电视、液晶显示器、手机、平板电脑等。该显示装置包括若干个像素单元，且所述像素单元具有上述本发明实施例提供的像素单元结构。
本发明实施例提供的显示装置，与上述实施例一、实施例二、实施例三提供的像素单元结构具有相同的技术特征，所以也能解决相同的技术问题，达到相同的技术效果。
虽然本发明所公开的实施方式如上，但所述的内容只是为了便于理解本发明而采用的实施方式，并非用以限定本发明。任何本发明所属技术领域内的技术人员，在不脱离本发明所公开的精神和范围的前提下，可以在实施的形式上及细节上作任何的修改与变化，但本发明的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (15)

  1. 一种像素单元结构，包括三个不同颜色的子像素，分别为红色子像素、绿色子像素和蓝色子像素；
    三个子像素中至少一个子像素分为主像素区域和次像素区域，且所述绿色子像素为一体式结构。
  2. 根据权利要求1所述的像素单元结构，其中，所述主像素区域的亮度高于所述次像素区域的亮度。
  3. 根据权利要求1所述的像素单元结构，其中，所述主像素区域的面积大于所述次像素区域的面积。
  4. 根据权利要求1所述的像素单元结构，其中，所述主像素区域和所述次像素区域均包括四个像素域。
  5. 根据权利要求1所述的像素单元结构，其中，所述蓝色子像素分为主像素区域和次像素区域，所述红色子像素为一体式结构。
  6. 根据权利要求1所述的像素单元结构，其中，所述红色子像素分为主像素区域和次像素区域，所述蓝色子像素为一体式结构。
  7. 根据权利要求1所述的像素单元结构，其中，所述蓝色子像素和所述红色子像素均分为主像素区域和次像素区域。
  8. 一种显示装置，包括若干个像素单元，所述像素单元具有以下像素单元结构；
    该像素单元结构包括三个不同颜色的子像素，分别为红色子像素、绿色子像素和蓝色子像素；
    三个子像素中至少一个子像素分为主像素区域和次像素区域，且所述绿色子像素为一体式结构。
  9. 根据权利要求8所述的显示装置，其中，所述主像素区域的亮度高于所述次像素区域的亮度。
  10. 根据权利要求8所述的显示装置，其中，所述主像素区域的面积大于所述次像素区域的面积。
  11. 根据权利要求8所述的显示装置，其中，所述主像素区域和所述次像素区域均包括四个像素域。
  12. 根据权利要求8所述的显示装置，其中，所述蓝色子像素分为主像素区域和次像素区域，所述红色子像素为一体式结构。
  13. 根据权利要求8所述的显示装置，其中，所述红色子像素分为主像素区域和次像 素区域，所述蓝色子像素为一体式结构。
  14. 根据权利要求8所述的显示装置，其中，所述蓝色子像素和所述红色子像素均分为主像素区域和次像素区域。
  15. 根据权利要求8所述的显示装置，其中，所述显示装置为垂直排列型显示装置。
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