CN103744207B - 显示面板 - Google Patents

显示面板 Download PDF

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CN103744207B
CN103744207B CN201310739598.1A CN201310739598A CN103744207B CN 103744207 B CN103744207 B CN 103744207B CN 201310739598 A CN201310739598 A CN 201310739598A CN 103744207 B CN103744207 B CN 103744207B
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CN103744207A (zh
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郑华
郭晋波
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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 CN201310739598.1A priority Critical patent/CN103744207B/zh
Priority to PCT/CN2014/071045 priority patent/WO2015096252A1/zh
Priority to US14/356,238 priority patent/US9557618B2/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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
    • 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
    • G02F1/134336—Matrix
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature

Abstract

本发明提供一种显示面板，包括数个主像素单元，每一主像素单元包括横向排列的两个主像素，每一主像素包括纵向排列的数个不同颜色的子像素，所述相邻两主像素的不同颜色的子像素的排布顺序不同。本发明的显示面板，通过将相邻两主像素的不同颜色的子像素按不同的顺序排布，使得相邻两个主像素的中和效果为“红色偏白”，有效避免由于数据线“重载”而造成的色偏现象，有效改善3G1D模式的液晶显示面板的色偏问题，提高显示面板的显示效果好。

Description

显示面板
技术领域
本发明涉及平面显示领域，尤其涉及一种显示面板。
背景技术
液晶显示装置（LCD，Liquid Crystal Display）具有机身薄、省电、无辐射等众多优点，得到了广泛的应用。现有市场上的液晶显示装置大部分为背光型液晶显示装置，其包括壳体、设于壳体内的液晶显示面板及设于壳体内的背光模组（backlight module）。液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子，通过通电与否来控制液晶分子改变方向，将背光模组的光线折射出来，并通过设置于玻璃基板上的像素结构产生彩色画面。
请参阅图1至图3，基于薄膜晶体管（TFT）的液晶显示面板，其像素有两种常见的子像素排列方式：“水平排列”和“垂直排列”。
以仅含红色子像素R、绿色子像素G、蓝色子像素B三子像素的薄膜晶体管的液晶显示面板为例，“子像素水平排列”对应于“单扫描线（Gate）三数据线（Data）驱动”，简称为“1G3D”模式（如图4所示）；而“子像素垂直排列”对应于“三扫描线（Gate）单数据线（Data）驱动”，简称为“3G1D”模式（如图5所示）。
3G1D面板的驱动方式为“逐行扫描”，如图6所示：在显示一帧图像的时间周期T内，首先第一根扫描线G(1)被选通，此时数据线的信号（电压）都写到第一行子像素（此处为红色子像素R）中，即第x列的数据线D(x)的电压写到第x列第一行的红色子像素R(x,1)中；接着第二根扫描线G(2)被选通，此时数据线的电压都写到第二行子像素（此处为绿色子像素G）中，即第x列的数据线D(x)的电压写到第x列第二行的的绿色子像素G(x,1)中；……；最后第3N（N为垂直方向总像素数）根扫描线G(3N)被选通，此时数据线的电压都写到第3N行子像素（此处为蓝色子像素B）中，即第x列的数据线D(x)的电压写到第x列第3N行的蓝色子像素B(x,N)中。
当显示单色画面时，非常容易发生数据线“重载”，造成子像素充电异常，从而造成色偏。以图7示例：面板的数据线相对于共电极（Common）每帧反转一次偏压极性，显示颜色为红色（255，0，0），由外围驱动芯片（Source IC）给出的数据线电压波形如图7a所示，其中102段、104段、106段分别代表应写入RGB子像素的电压，由于传输延迟（RC Delay），实际写入RGB子像素的电压波形如图7b所示。此时，R子像素充电不足，G子像素被稍许误充电，B子像素完全不充电，整个画面发生色偏（偏黄）。
发明内容
本发明的目的在于提供一种显示面板，其能有效避免由于数据线“重载”而造成的色偏现象，显示效果好。
为实现上述目的，本发明提供一种显示面板，包括数个主像素单元，每一主像素单元包括横向排列的两个主像素，每一主像素包括纵向排列的数个不同颜色的子像素，所述相邻两主像素的不同颜色的子像素的排布顺序不同。
所述数个子像素为三个，其分别为红色子像素、绿色子像素及蓝色子像素。
所述两个主像素分别为第一主像素与第二主像素，所述第一主像素的子像素排布由上至下依次为红色子像素、绿色子像素及蓝色子像素。
所述第二主像素的子像素排布由上至下依次为红色子像素、蓝色子像素及绿色子像素。
所述第二主像素的子像素排布由上至下依次为绿色子像素、红色子像素及蓝色子像素。
所述第二主像素的子像素排布由上至下依次为蓝色子像素、绿色子像素及红色子像素。
所述数个子像素为四个，其分别为红色子像素、绿色子像素、蓝色子像素及白色子像素。
所述两个主像素分别为第三主像素与第四主像素，所述第三主像素的子像素排布由上至下依次为红色子像素、绿色子像素、蓝色子像素及白色子像素。
所述第四主像素的子像素排布由上至下依次为白色子像素、蓝色子像素、绿色子像素及红色子像素。
所述显示面板为液晶显示面板。
本发明的有益效果：本发明显示面板通过将相邻两主像素的不同颜色的子像素按不同的顺序排布，使得相邻两个主像素的中和效果为“红色偏白”，有效避免由于数据线“重载”而造成的色偏现象，进而有效改善3G1D模式的液晶显示面板的色偏问题，提高显示面板的显示效果好。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
附图中，
图1为现有的液晶显示面板的平面示意图；
图2为子像素横向排列的主像素的结构示意图；
图3为子像素纵向排列的主像素的结构示意图；
图4为子像素横向排列的主像素的驱动示意图；
图5为子像素纵向排列的主像素的驱动示意图；
图6为3G1D显示面板的驱动示意图；
图7a为外围驱动芯片写入子像素的电压波形图；
图7b为实际写入子像素的电压波形图；
图8为本发明显示面板第一实施例的像素排布示意图；
图9a为本发明显示面板第一实施例中的外围驱动芯片写入第一主像素的子像素的电压波形图；
图9b为本发明显示面板第一实施例中实际写入第一主像素的子像素的电压波形图；
图9c为本发明显示面板第一实施例中的外围驱动芯片写入第二主像素的子像素的电压波形图；
图9d为本发明显示面板第一实施例中实际写入第二主像素的子像素的电压波形图；
图10为本发明显示面板第二实施例的像素排布示意图；
图11为本发明显示面板第三实施例的像素排布示意图；
图12为本发明显示面板第四实施例的像素排布示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图8，本发明提供一种显示面板，包括数个主像素单元，每一主像素单元包括横向排列的两个主像素，每一主像素包括纵向排列的数个不同颜色的子像素，所述相邻两主像素的不同颜色的子像素的排布顺序不同。
在本实施例中，所述显示面板为3G1D模式的液晶显示面板，所述数个子像素为三个，其分别为红色子像素R、绿色子像素G及蓝色子像素B。所述两个主像素分别为第一主像素与第二主像素，所述第一主像素的子像素排布由上至下依次为红色子像素R、绿色子像素G及蓝色子像素B。所述第二主像素的子像素排布由上至下依次为红色子像素R、蓝色子像素B及绿色子像素G。
当显示单色画面时，例如红色（255，0，0）：由外围驱动芯片（Source IC）写给第一主像素的红色子像素R、绿色子像素G及蓝色子像素B的数据线电压波形如图9a所示，实际写入第一主像素的红色子像素R、绿色子像素G及蓝色子像素B的数据线电压波形如图9b所示；由Source IC写给第二主像素的红色子像素R、蓝色子像素B及绿色子像素G的数据线电压波形如图9c所示，实际写入红色子像素R、蓝色子像素B及绿色子像素G的数据线电压波形如图9d所示。
对于第一主像素的红色子像素R、绿色子像素G及蓝色子像素B：红色子像素R充电不足，绿色子像素G被稍许误充电，蓝色子像素B完全不充电，实际显示效果为“红色偏黄”（即通常情况）；对于第二主像素的红色子像素R、蓝色子像素B及绿色子像素G：红色子像素R充电不足，蓝色子像素B被稍许误充电，绿色子像素G完全不充电，实际显示效果为“红色偏紫”。
这样一来，相邻两个主像素的中和效果为“红色偏白”，也就是色别不变、饱和度降低。由于人眼对色别的敏感度高于对饱和度的敏感度，可以有效改善3G1D模式的液晶显示面板的色偏问题。
请参阅图10，为本发明第二实施例的像素排布示意图，在本实施例中，所述第一主像素的子像素的排布顺序不变，所述第二主像素的子像素排布由上至下依次为绿色子像素G、红色子像素R及蓝色子像素B，同样可以实现上述技术效果。
请参阅图11，为本发明第三实施例的像素排布示意图，在本实施例中，所述第一主像素的子像素的排布顺序不变，所述第二主像素的子像素排布由上至下依次为蓝色子像素B、绿色子像素G及红色子像素R，同样可以实现上述技术效果。
请参阅图12，为本发明第四实施例的像素排布示意图，在本实施例中，所述两个主像素分别为第三主像素与第四主像素，所述第三主像素的子像素排布由上至下依次为红色子像素R、绿色子像素G、蓝色子像素B及白色子像素W。所述第四主像素的子像素排布由上至下依次为白色子像素W、蓝色子像素B、绿色子像素G及红色子像素R，同样可以实现上述技术效果。
综上所述，本发明显示面板通过将相邻两主像素的不同颜色的子像素按不同的顺序排布，使得相邻两个主像素的中和效果为“红色偏白”，有效避免由于数据线“重载”而造成的色偏现象，进而有效改善3G1D模式的液晶显示面板的色偏问题，提高显示面板的显示效果好。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (3)

1.一种显示面板，其特征在于，包括数个主像素单元，每一主像素单元包括横向排列的两个主像素，每一主像素包括纵向排列的数个不同颜色的子像素，相邻两主像素的不同颜色的子像素的排布顺序不同；
所述数个子像素为三个，其分别为红色子像素(R)、绿色子像素(G)及蓝色子像素(B)；每一主像素中，纵向排列的三个不同颜色的子像素由三扫描线单数据线驱动；
所述两个主像素分别为第一主像素与第二主像素，所述第一主像素的子像素排布由上至下依次为红色子像素(R)、绿色子像素(G)及蓝色子像素(B)；
所述第二主像素的子像素排布由上至下依次为红色子像素(R)、蓝色子像素(B)及绿色子像素(G)；
所述显示面板为液晶显示面板。
2.一种显示面板，其特征在于，包括数个主像素单元，每一主像素单元包括横向排列的两个主像素，每一主像素包括纵向排列的数个不同颜色的子像素，相邻两主像素的不同颜色的子像素的排布顺序不同；
所述数个子像素为三个，其分别为红色子像素(R)、绿色子像素(G)及蓝色子像素(B)；每一主像素中，纵向排列的三个不同颜色的子像素由三扫描线单数据线驱动；
所述两个主像素分别为第一主像素与第二主像素，所述第一主像素的子像素排布由上至下依次为红色子像素(R)、绿色子像素(G)及蓝色子像素(B)；
所述第二主像素的子像素排布由上至下依次为绿色子像素(G)、红色子像素(R)及蓝色子像素(B)；
所述显示面板为液晶显示面板。
3.一种显示面板，其特征在于，包括数个主像素单元，每一主像素单元包括横向排列的两个主像素，每一主像素包括纵向排列的数个不同颜色的子像素，相邻两主像素的不同颜色的子像素的排布顺序不同；
所述数个子像素为三个，其分别为红色子像素(R)、绿色子像素(G)及蓝色子像素(B)；每一主像素中，纵向排列的三个不同颜色的子像素由三扫描线单数据线驱动；
所述两个主像素分别为第一主像素与第二主像素，所述第一主像素的子像素排布由上至下依次为红色子像素(R)、绿色子像素(G)及蓝色子像素(B)；
所述第二主像素的子像素排布由上至下依次为蓝色子像素(B)、绿色子像素(G)及红色子像素(R)；
所述显示面板为液晶显示面板。
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