WO2021232499A1 - 一种显示面板 - Google Patents

一种显示面板 Download PDF

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Publication number
WO2021232499A1
WO2021232499A1 PCT/CN2020/094548 CN2020094548W WO2021232499A1 WO 2021232499 A1 WO2021232499 A1 WO 2021232499A1 CN 2020094548 W CN2020094548 W CN 2020094548W WO 2021232499 A1 WO2021232499 A1 WO 2021232499A1
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sub
pixel
pixels
reflection
display panel
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PCT/CN2020/094548
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English (en)
French (fr)
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李艳
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深圳市华星光电半导体显示技术有限公司
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Publication of WO2021232499A1 publication Critical patent/WO2021232499A1/zh

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters

Definitions

  • This application relates to the field of display technology, and in particular to a display panel.
  • the pixel structure of the display screen is generally composed of R sub-pixels, G sub-pixels, and B sub-pixels arranged alternately.
  • R sub-pixels R sub-pixels
  • G sub-pixels G sub-pixels
  • B sub-pixels arranged alternately.
  • the present application provides a display panel, which includes a substrate and a pixel array disposed on the substrate.
  • the pixel array includes a plurality of pixel groups, and each of the pixel groups includes a red sub-pixel, a blue sub-pixel, and an anti-reflection device.
  • the area of the green sub-pixel and the white sub-pixel is smaller than the area of the red sub-pixel or the blue sub-pixel.
  • the area of the anti-reflection sub-pixel is equal to the area of the red sub-pixel or the blue sub-pixel.
  • the area of the green sub-pixel and the area of the white sub-pixel are equal.
  • the red sub-pixels, green sub-pixels, and anti-reflection sub-pixels are all rectangular.
  • the length of the long side of the red sub-pixel, the blue sub-pixel, and the anti-reflection sub-pixel is 2.5 to 4.5 times the length of the short side.
  • the long side of the red sub-pixel is parallel to the long side of the blue sub-pixel and the long side of the anti-reflection sub-pixel.
  • the green sub-pixels and the white sub-pixels are arranged side by side along the length direction of the red sub-pixels.
  • the sub-pixels in the nth row and m columns are red sub-pixels
  • the sub-pixels in the nth row and m+1 column are one of blue sub-pixels and anti-reflection sub-pixels.
  • the sub-pixels in the n rows and m+2 columns are the other of the blue sub-pixel and the anti-reflection sub-pixel, wherein both n and m are positive integers greater than or equal to 1.
  • the sub-pixels in the i-th row and j-th column are red sub-pixels
  • the sub-pixels in the i+1-th row and j-th column are one of a blue sub-pixel and an anti-reflection sub-pixel.
  • the sub-pixels in row i+2 and column j are blue sub-pixels and anti-reflection sub-pixels, where i and j are both positive integers greater than or equal to 1.
  • the present application also provides a display panel, which includes a substrate and a pixel array disposed on the substrate.
  • the pixel array includes a plurality of pixel groups, and each of the pixel groups includes a red sub-pixel, a blue sub-pixel, and a pixel array.
  • a transparent sub-pixel wherein the anti-reflection sub-pixel includes a white sub-pixel and a green sub-pixel; the area of the green sub-pixel and the white sub-pixel is smaller than the area of the red sub-pixel or the blue sub-pixel;
  • the sub-pixels in the nth row and m column are red sub-pixels
  • the sub-pixels in the nth row m+1 column are one of the blue sub-pixel and the anti-reflection sub-pixel
  • the sub-pixels in the nth row m+2 column are The pixel is another one of the blue sub-pixel and the anti-reflection sub-pixel, where n and m are both positive integers greater than or equal to 1.
  • the area of the anti-reflection sub-pixel is equal to the area of the red sub-pixel or the blue sub-pixel.
  • the area of the green sub-pixel and the area of the white sub-pixel are equal.
  • the red sub-pixels, green sub-pixels, and anti-reflection sub-pixels are all rectangular.
  • the length of the long side of the red sub-pixel, the blue sub-pixel, and the anti-reflection sub-pixel is 2.5 to 4.5 times the length of the short side.
  • the long side of the red sub-pixel is parallel to the long side of the blue sub-pixel and the long side of the anti-reflection sub-pixel.
  • the green sub-pixels and the white sub-pixels are arranged side by side along the length direction of the red sub-pixels.
  • the sub-pixels in the i-th row and j-th column are red sub-pixels
  • the sub-pixels in the i+1-th row and j-th column are one of a blue sub-pixel and an anti-reflection sub-pixel.
  • the sub-pixels in row i+2 and column j are blue sub-pixels and anti-reflection sub-pixels, where i and j are both positive integers greater than or equal to 1.
  • the display brightness and contrast of the display panel can be significantly improved.
  • by rationally arranging the distribution of sub-pixels it is possible to display more with a smaller number of sub-pixels.
  • Information which can display higher resolution pictures.
  • Fig. 1 is a schematic diagram of a pixel structure in the background art of the present invention.
  • FIG. 2 is a schematic diagram of a display panel in an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a display panel in another embodiment of the present invention.
  • Substrate 20. Red sub-pixel; 30. Green sub-pixel; 40. Blue sub-pixel; 50. White sub-pixel.
  • the present invention is aimed at the technical problem of low contrast of the display screen because the outdoor brightness is generally high in the existing display panel, and the light transmittance of the sub-pixels in the existing display panel is low.
  • the present invention can solve the above-mentioned problems.
  • a display panel as shown in FIG. 2, includes a substrate 10 and a pixel array disposed on the substrate 10.
  • the pixel array includes a plurality of pixel groups, and each of the pixel groups includes a red sub-pixel 20 (hereinafter referred to as “R sub-pixel”), blue sub-pixel 40 (hereinafter referred to as “B sub-pixel”), and anti-reflection sub-pixel, wherein the anti-reflection sub-pixel includes white sub-pixel 50 (hereinafter referred to as “W sub-pixel”) and green sub-pixel Pixel 30 (hereinafter referred to as "G sub-pixel").
  • R sub-pixel red sub-pixel 20
  • B sub-pixel blue sub-pixel 40
  • anti-reflection sub-pixel wherein the anti-reflection sub-pixel includes white sub-pixel 50 (hereinafter referred to as “W sub-pixel”) and green sub-pixel Pixel 30 (hereinafter referred to as "G sub-pixel”).
  • the transmittance of the W sub-pixel is significantly greater than that of the R sub-pixel, G sub-pixel, and B sub-pixel.
  • the area of the G sub-pixel and the W sub-pixel is smaller than the area of the R sub-pixel or the B sub-pixel, and the area of the R sub-pixel is equal to the area of the B sub-pixel.
  • the transmittance of the W sub-pixel and the G sub-pixel is greater than the transmittance of the R sub-pixel and the B sub-pixel, so the area of the W sub-pixel and the G sub-pixel is made smaller.
  • pass Reasonable area design can provide higher overall brightness.
  • the area of the anti-reflection sub-pixel is equal to the area of the R sub-pixel or the B sub-pixel.
  • the area of the G sub-pixel and the area of the W sub-pixel are equal, that is, the area of the G sub-pixel and the area of the W sub-pixel are both half the area of the anti-reflection sub-pixel, so that the display panel With a certain display area, the display panel can provide higher overall brightness.
  • the R sub-pixel, the G sub-pixel, and the anti-reflection sub-pixel are all rectangular.
  • the length of the long side of the R sub-pixel, the G sub-pixel, and the anti-reflection sub-pixel is 2.5 to 4.5 times the length of the short side.
  • the aspect ratio of the sub-pixels can also be set to other values.
  • the display panel is used as a billboard or publicity screen outdoors, abnormal aspect ratios are often required.
  • the long sides of the R sub-pixels are parallel to the long sides of the B sub-pixels and the long sides of the anti-reflection sub-pixels and are arranged in a lateral direction.
  • the G sub-pixels and the W sub-pixels are arranged side by side along the length direction of the R sub-pixels.
  • FIG. 2 only illustrates the case where the G sub-pixel is located on the left side of the W sub-pixel. In actual implementation, the G sub-pixel may also be located on the right side of the W sub-pixel.
  • the edge of the G sub-pixel close to the W sub-pixel is straight, so as to facilitate the formation and arrangement of the G sub-pixel and the W sub-pixel.
  • the edge of the G sub-pixel close to the W sub-pixel is wavy or jagged.
  • the length of the W sub-pixel and the G sub-pixel can be adjusted by adjusting the shape of the edge of the W sub-pixel and the G sub-pixel, so that each The brightness of each pixel group is more bright and uniform.
  • the sub-pixels in the nth row and m columns are R sub-pixels
  • the sub-pixels in the nth row and m+1 column are one of B sub-pixels and anti-reflection sub-pixels
  • the sub-pixels in the two columns are the other of B sub-pixels and anti-reflection sub-pixels, where n and m are both positive integers greater than or equal to 1.
  • the sub-pixels in the i-th row and j-th column are R sub-pixels
  • the sub-pixels in the i+1-th row and j-th column are one of B sub-pixels and anti-reflection sub-pixels
  • the i+2th row The sub-pixels in column j are the other of B sub-pixels and anti-reflection sub-pixels, where i and j are both positive integers greater than or equal to 1.
  • the beneficial effects of the present invention are: by adding W sub-pixels in the pixel structure, and through reasonable area design, the display brightness and contrast of the display panel are significantly improved, and at the same time, by rationally arranging the distribution of sub-pixels, it can use less The number of sub-pixels shows more information, which can display higher resolution pictures.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种显示面板,包括基板(10)和设置于基板(10)上的像素阵列,像素阵列包括多个像素组,每个像素组包括红色子像素(20)、蓝色子像素(40)以及增透子像素,其中,增透子像素包括白色子像素(50)以及绿色子像素(30)。

Description

一种显示面板 技术领域
本申请涉及显示技术领域,尤其涉及一种显示面板。
背景技术
随着显示屏的不断发展,市场不断扩展,户外异形显示有越来越多的应用。如图1所示,显示屏的像素结构中一般由交替排布的R子像素、G子像素和B子像素组成,然而,对于传统的LCD屏而言,由室内显示到室外显示中,由于室外亮度一般较高,而现有子像素的光穿透率较低,从而导致显示屏的对比度低,降低观众体验度。
技术问题
由于室外亮度一般较高,而现有显示面板中的子像素的光穿透率较低,从而导致显示屏的对比度低的技术问题。
技术解决方案
本申请提供一种显示面板,其包括基板和设置于所述基板上的像素阵列,所述像素阵列包括多个像素组,每个所述像素组包括红色子像素、蓝色子像素以及增透子像素,其中,所述增透子像素包括白色子像素以及绿色子像素。
在一些实施例中,所述绿色子像素和所述白色子像素的面积小于所述红色子像素或所述蓝色子像素的面积。
在一些实施例中,所述增透子像素的面积等于所述红色子像素或所述蓝色子像素的面积。
在一些实施例中,所述绿色子像素的面积和所述白色子像素的面积相等。
在一些实施例中,所述红色子像素、绿色子像素、以及增透子像素均呈矩形。
在一些实施例中,所述红色子像素、所述蓝色子像素以及增透子像素的长边的长度为短边的长度的2.5~4.5倍。
在一些实施例中,所述红色子像素的长边与所述蓝色子像素的长边以及所述增透子像素的长边平行。
在一些实施例中,在每个所述子像素组中,所述绿色子像素与所述白色子像素沿所述红色子像素的长度方向并列排布。
在一些实施例中,所述像素阵列中,第n行m列的子像素为红色子像素,第n行m+1列的子像素为蓝色子像素和增透子像素中的一种,第n行m+2列的子像素为蓝色子像素和增透子像素中的另一种,其中,n和m均为大于或等于1的正整数。
在一些实施例中,所述像素阵列中,第i行j列的子像素为红色子像素,第i+1行j列的子像素为蓝色子像素和增透子像素中的一种,第i+2行j列的子像素为蓝色子像素和增透子像素中的另一种,其中,i和j均为大于或等于1的正整数。
本申请还提供一种显示面板,其包括基板和设置于所述基板上的像素阵列,所述像素阵列包括多个像素组,每个所述像素组包括红色子像素、蓝色子像素以及增透子像素,其中,所述增透子像素包括白色子像素以及绿色子像素;所述绿色子像素和所述白色子像素的面积小于所述红色子像素或所述蓝色子像素的面积;所述像素阵列中,第n行m列的子像素为红色子像素,第n行m+1列的子像素为蓝色子像素和增透子像素中的一种,第n行m+2列的子像素为蓝色子像素和增透子像素中的另一种,其中,n和m均为大于或等于1的正整数。
在一些实施例中,所述增透子像素的面积等于所述红色子像素或所述蓝色子像素的面积。
在一些实施例中,所述绿色子像素的面积和所述白色子像素的面积相等。
在一些实施例中,所述红色子像素、绿色子像素、以及增透子像素均呈矩形。
在一些实施例中,所述红色子像素、所述蓝色子像素以及增透子像素的长边的长度为短边的长度的2.5~4.5倍。
在一些实施例中,所述红色子像素的长边与所述蓝色子像素的长边以及所述增透子像素的长边平行。
在一些实施例中,在每个所述子像素组中,所述绿色子像素与所述白色子像素沿所述红色子像素的长度方向并列排布。
在一些实施例中,所述像素阵列中,第i行j列的子像素为红色子像素,第i+1行j列的子像素为蓝色子像素和增透子像素中的一种,第i+2行j列的子像素为蓝色子像素和增透子像素中的另一种,其中,i和j均为大于或等于1的正整数。
有益效果
通过在像素结构中增加W子像素,并通过合理的面积设计,从而显著提升显示面板的显示亮度和对比度,同时通过对子像素的分布进行合理布置,可以用较少的子像素数显示较多的信息,从而可以显示更高分辨率的图片。
附图说明
下面结合附图,通过对本申请的具体实施方式详细描述,将使本申请的技术方案及其它有益效果显而易见。
图1为本发明背景技术中像素结构的示意图;
图2为本发明一实施方式中显示面板的示意图;
图3为本发明另一实施方式中显示面板的示意图。
10、基板;20、红色子像素;30、绿色子像素;40、蓝色子像素;50、白色子像素。
本发明的实施方式
以下各实施例的说明是参考附加的图示,用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语,例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本发明,而非用以限制本发明。在图中,结构相似的单元是用以相同标号表示。
本发明针对现有的显示面板中,由于室外亮度一般较高,而现有显示面板中的子像素的光穿透率较低,从而导致显示屏的对比度低的技术问题。本发明可以解决上述问题。
一种显示面板,如图2所示,包括基板10和设置于所述基板10上的像素阵列,所述像素阵列包括多个像素组,每个所述像素组包括红色子像素20(以下称“R子像素”)、蓝色子像素40(以下称“B子像素”)以及增透子像素,其中,所述增透子像素包括白色子像素50(以下称“W子像素”)以及绿色子像素30(以下称“G子像素”)。
需要说明的是,W子像素的穿透率明显大于R子像素、G子像素和B子像素,通过在像素结构中增加W子像素,在不增加显示面板的显示面积的前提下,显著提升显示面板的显示亮度和对比度。
具体的,所述G子像素和所述W子像素的面积小于所述R子像素或所述B子像素的面积,并且,所述R子像素的面积等于所述B子像素的面积。
W子像素和G子像素的穿透率大于R子像素和B子像素的穿透率,所以将W子像素和G子像素的面积做小,在显示面板的显示面积一定的情况下,通过合理的面积设计可以提供更高的总体亮度。
进一步的,所述增透子像素的面积等于所述R子像素或所述B子像素的面积。
进一步的,所述G子像素的面积和所述W子像素的面积相等,即所述G子像素的面积与所述W子像素的面积均为增透子像素的面积的一半,从而在显示面板的显示面积一定的情况下,使显示面板可以提供更高的总体亮度。
具体的,所述R子像素、G子像素、以及所述增透子像素均呈矩形。
在一实施方式中,所述R子像素、所述G子像素以及所述增透子像素的长边的长度为短边的长度的2.5~4.5倍。
需要说明的是,实际实施中,也可将子像素的长宽比设置为其他数值,显示面板在室外做广告牌或宣传屏时,经常需要异常的长宽比,通过合理设置子像素的长宽比,从而适应实际的户外显示需求。
具体的,所述R子像素的长边与所述B子像素的长边以及所述增透子像素的长边平行并沿横向设置。
进一步的,在每个所述子像素组中,所述G子像素与所述W子像素沿所述R子像素的长度方向并列排布。
需要说明的是,图2中仅示意了G子像素位于W子像素左侧的情况,在实际实施中,G子像素也可以位于W子像素的右侧。
在一实施方式中,所述G子像素靠近所述W子像素的边缘部呈直线,从而便于所述G子像素和所述W子像素的形成和布置。
在另一实施方式中,如图3所示,所述G子像素靠近所述W子像素的边缘部呈波浪状或锯齿状。在所述W子像素和所述G子像素的面积不变的情况下,可以通过调整W子像素和G子像素的边缘部的形状来调整W子像素和G子像素的长度,从而使每个像素组的亮度更加明亮均匀。
具体的,所述像素阵列中,第n行m列的子像素为R子像素,第n行m+1列的子像素为B子像素和增透子像素中的一种,第n行m+2列的子像素为B子像素和增透子像素中的另一种,其中,n和m均为大于或等于1的正整数。
进一步的,所述像素阵列中,第i行j列的子像素为R子像素,第i+1行j列的子像素为B子像素和增透子像素中的一种,第i+2行j列的子像素为B子像素和增透子像素中的另一种,其中,i和j均为大于或等于1的正整数。
当分别单独显示各行时,都可以分别得到R、G、B三色的实现,这样在相同的显示面积中,就可以显示三倍于传统显示的信息量,扩大三倍的信息量,用较少的子像素数显示较多的信息,从而可以显示更高分辨率的图片。
本发明的有益效果为:通过在像素结构中增加W子像素,并通过合理的面积设计,从而显著提升显示面板的显示亮度和对比度,同时通过对子像素的分布进行合理布置,可以用较少的子像素数显示较多的信息,从而可以显示更高分辨率的图片。
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。

Claims (18)

  1. 一种显示面板,其中,包括基板和设置于所述基板上的像素阵列,所述像素阵列包括多个像素组,每个所述像素组包括红色子像素、蓝色子像素以及增透子像素,其中,所述增透子像素包括白色子像素以及绿色子像素。
  2. 根据权利要求1所述的显示面板,其中,所述绿色子像素和所述白色子像素的面积小于所述红色子像素或所述蓝色子像素的面积。
  3. 根据权利要求2所述的显示面板,其中,所述增透子像素的面积等于所述红色子像素或所述蓝色子像素的面积。
  4. 根据权利要求3所述的显示面板,其中,所述绿色子像素的面积和所述白色子像素的面积相等。
  5. 根据权利要求1所述的显示面板,其中,所述红色子像素、绿色子像素、以及增透子像素均呈矩形。
  6. 根据权利要求5所述的显示面板,其中,所述红色子像素、所述蓝色子像素以及增透子像素的长边的长度为短边的长度的2.5~4.5倍。
  7. 根据权利要求5所述的显示面板,其中,所述红色子像素的长边与所述蓝色子像素的长边以及所述增透子像素的长边平行。
  8. 根据权利要求7所述的显示面板,其中,在每个所述子像素组中,所述绿色子像素与所述白色子像素沿所述红色子像素的长度方向并列排布。
  9. 根据权利要求1所述的显示面板,其中,所述像素阵列中,第n行m列的子像素为红色子像素,第n行m+1列的子像素为蓝色子像素和增透子像素中的一种,第n行m+2列的子像素为蓝色子像素和增透子像素中的另一种,其中,n和m均为大于或等于1的正整数。
  10. 根据权利要求9所述的显示面板,其中,所述像素阵列中,第i行j列的子像素为红色子像素,第i+1行j列的子像素为蓝色子像素和增透子像素中的一种,第i+2行j列的子像素为蓝色子像素和增透子像素中的另一种,其中,i和j均为大于或等于1的正整数。
  11. 一种显示面板,其中,包括基板和设置于所述基板上的像素阵列,所述像素阵列包括多个像素组,每个所述像素组包括红色子像素、蓝色子像素以及增透子像素,其中,所述增透子像素包括白色子像素以及绿色子像素;所述绿色子像素和所述白色子像素的面积小于所述红色子像素或所述蓝色子像素的面积;所述像素阵列中,第n行m列的子像素为红色子像素,第n行m+1列的子像素为蓝色子像素和增透子像素中的一种,第n行m+2列的子像素为蓝色子像素和增透子像素中的另一种,其中,n和m均为大于或等于1的正整数。
  12. 根据权利要求1所述的显示面板,其中,所述增透子像素的面积等于所述红色子像素或所述蓝色子像素的面积。
  13. 根据权利要求12所述的显示面板,其中,所述绿色子像素的面积和所述白色子像素的面积相等。
  14. 根据权利要求1所述的显示面板,其中,所述红色子像素、绿色子像素、以及增透子像素均呈矩形。
  15. 根据权利要求14所述的显示面板,其中,所述红色子像素、所述蓝色子像素以及增透子像素的长边的长度为短边的长度的2.5~4.5倍。
  16. 根据权利要求14所述的显示面板,其中,所述红色子像素的长边与所述蓝色子像素的长边以及所述增透子像素的长边平行。
  17. 根据权利要求16所述的显示面板,其中,在每个所述子像素组中,所述绿色子像素与所述白色子像素沿所述红色子像素的长度方向并列排布。
  18. 根据权利要求1所述的显示面板,其中,所述像素阵列中,第i行j列的子像素为红色子像素,第i+1行j列的子像素为蓝色子像素和增透子像素中的一种,第i+2行j列的子像素为蓝色子像素和增透子像素中的另一种,其中,i和j均为大于或等于1的正整数。
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