CN102084286A - 用于显示面板的液晶模块 - Google Patents

用于显示面板的液晶模块 Download PDF

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CN102084286A
CN102084286A CN2009801263603A CN200980126360A CN102084286A CN 102084286 A CN102084286 A CN 102084286A CN 2009801263603 A CN2009801263603 A CN 2009801263603A CN 200980126360 A CN200980126360 A CN 200980126360A CN 102084286 A CN102084286 A CN 102084286A
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display panel
source electrode
electrode driver
gate drivers
pel array
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高晚祯
罗俊皞
金大成
韩大根
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LX Semicon Co Ltd
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    • 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
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • 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
    • 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
    • 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
    • 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
    • G09G2300/0404—Matrix technologies
    • G09G2300/0408—Integration of the drivers onto the display substrate
    • 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
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections

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Abstract

本发明公开一种用于显示面板的液晶模块(LCM)，能够最大化面板设计的效率。该用于显示面板的LCM包含像素阵列，多个源极驱动器集成电路(integrated circuit，IC)以及多个栅极驱动器IC。多个源极驱动器IC以水平方向设置于像素阵列的上侧或下侧。多个栅极驱动器IC以垂直方向设置于像素阵列的左侧或右侧。多个栅极驱动器IC设置于在多个源极驱动器IC中被设置首先供应视频数据以及时钟信号(DATA/CLK)的一源极驱动器IC的位置的相对位置。

Description

用于显示面板的液晶模块
技术领域
本发明涉及一种用于显示面板的液晶模块(liquid crystal module，LCM)，尤其涉及一种用于液晶面板且最大化面板设计效率的LCM。
背景技术
图1为说明传统覆晶玻璃(chip on glass，COG)型液晶显示模块(LCM)的示意图。
参考图1，用于显示面板的COG型LCM包括显示面板120、挠性印刷电路(flexible printed circuit，FPC)130以及时序控制器140。
显示面板120包括像素阵列110以及用于驱动像素阵列110的源极驱动器IC SD1至SD8和栅极驱动器IC GD1至GD2。用于源极驱动器的电源PSD以及用于栅极驱动器的电源PGD由FPC 130分别地施加于源极驱动器IC SD1至SD8以及栅极驱动器IC GD1至GD2。在与像素阵列110显示相关的信号DATA/CLK、GAM/CON以及CON之中，源极驱动器IC相关信号DATA/CLK以及GAM/CON通过时序控制器140和FPC130、以从设置在显示面板120下部左侧上的第一源极驱动器IC SD1至第一源极驱动器IC SD1右侧上连续排列的源极驱动器IC SD2至SD8的顺序通过源极驱动器IC SD1至SD8，然后施加于像素阵列110。栅极驱动器IC相关信号CON施加于设置在显示面板120左侧上的栅极驱动器IC GD1和GD2，然后驱动像素阵列110。
详细地，用于源极驱动器IC的视频数据DATA和用于源极驱动器IC的时钟信号CLK施加于第一源极驱动器IC SD1。第二源极驱动器IC SD2不会从FPC 130接收视频数据和时钟信号DATA/CLK，而使用从第一源极驱动器IC SD1输出的信号作为视频数据以及时钟信号DATA/CLK。同样地，第三源极驱动器IC SD3使用从第二源极驱动器IC SD2输出的信号作为视频数据以及时钟信号DATA/CLK，而该第二源极驱动器IC SD2设置于第三源极驱动器IC SD3的前面。也就是说，在此源极驱动器IC的情形，通过时序控制器140和FPC 130输入至第一源极驱动器IC SD1的视频数据以及时钟信号DATA/CLK以串接模式传送至多个串联排列的源极驱动器IC SD1至SD8。
与源极驱动器IC SD1至SD8相关的伽玛信号GAM和控制信号CON平行直接连接于源极驱动器IC SD1至SD8。以串接模式将与栅极驱动器IC有关的控制信号CON供应至多个栅极驱动器IC GD1至GD2。
如上所述，由于视频数据和时钟信号DATA/CLK藉由设置于像素阵列110的左侧上的第一源极驱动器IC SD1首先接收，而与源极驱动器IC结合用以驱动像素阵列的栅极驱动器IC也设置于显示面板的左侧，则大量的玻璃基板线路(Line-on-Glass，LOG)存在于显示面板的角落和源极驱动器IC之间(参见椭圆虚线)。
也就是说，参考图1，用以在源极驱动器IC SD1至SD8施加视频数据以及时钟信号DATA/CLK的k条线(k为整数)、用以在伽玛信号以及控制信号GAM/CON的1条线(1为整数)、以及用以在栅极驱动器ICGD1和GD2施加控制信号CON的m条线(m为整数)，在椭圆虚线内相互平行设置。LOG型金属线不仅仅具有固定宽度，而且需要金属线之间具有固定空间，使得与相邻金属线电气绝缘。
因此，由于LOG型金属线设置于设置在显示面板的下部上的源极驱动器IC和FPC之间，所导致的缺陷是当随着平行设置的金属线数量增加，显示面板的整体面积增大。
发明内容
因此，本发明努力解决现有技术中的问题，本发明的目的是提供一种用于显示面板的液晶模块(LCM)，用以最大化面板设计的效率并减少面板的整体面积。
为了得到获得上述目的，本发明一个方面提供了一种用于显示面板的LCM，其包括像素阵列、多个源极驱动器IC以及多个栅极驱动器IC。多个源极驱动器IC以平行方式设置于像素阵列的上侧或下侧。多个栅极驱动器IC以垂直方式设置于像素阵列的左侧或右侧。多个栅极驱动器IC设置于在多个源极驱动器IC中被设置首先供应视频数据以及时钟信号的一源极驱动器IC的位置的相对位置。
可以理解地是，前面概述和后面详细描述都具实例性和解释性，并意图对本发明实施例提供进一步的解释说明。
附图说明
图1为说明传统COG型LCM的图式；以及
图2为说明本发明实施例中用于显示面板的LCM布线部分的图式。
具体实施方式
现在更加详细地描述本发明实施例，并参考图式。图式和说明书中使用的相同的附图标记代表相同或相似的部分。
图2为说明本发明实施例中用于显示面板的LCM的布局部分的视图。
参考图2，用于显示面板的LCM 200包括显示面板220、FPC 230和240以及时序控制器250。
显示面板220包括像素阵列210，并包括用于驱动像素阵列210的源极驱动器IC SD1至SD8与栅极驱动器IC GD1至GD2。用于源极驱动器的电源PSD和用于栅极驱动器的电源PGD分别由FPC 230和240施加于源极驱动器IC SD1至SD8与栅极驱动器IC GD1至GD2。在与像素阵列210的显示相关的信号DATA/CLK、GAM/CON以及CON之中，源极驱动器IC相关信号DATA/CLK以及GAM/CON通过时序控制器250和FPC230、以从设置在显示面板220下部左侧上的第一源极驱动器IC SD1至第一源极驱动器IC SD1右侧上连续排列的源极驱动器IC SD2至SD8的顺序通过源极驱动器IC SD1至SD8，然后施加于像素阵列210。栅极驱动器IC相关信号CON施加于设置在显示面板220左侧的栅极驱动器ICGD1和GD2，然后驱动像素阵列210。
如上所述，在现有技术中，施加于源极驱动器IC上的大部分信号从显示面板的左侧供应，而控制显示面板垂直方向的栅极驱动器IC也设置在显示面板的左侧上。因此，由于两种驱动器IC的信号传送/接收路径集中在一侧，举例来说，在显示面板的左侧，则显示面板的左下部需要大的空间。相反地，为了符合在垂直下方向上左侧空间的增大，不可避免导致显示面板的右下部空间大量空余。
根据本发明，如图2所示，栅极驱动器IC设置于显示面板的右侧上，因此将用于驱动器IC的信号供应路径的金属线分散，从而可以减少用于显示面板的LCM所占用的布局。除此之外，本发明的效果可以确保传送数据之间的对称性，还可以最小化平行同步传送数据之间的串扰。
参考图2，根据本发明，将设置用以供应源极驱动器IC的金属线的位置(参见左侧虚线圈)以及设置用以供应栅极驱动器IC的金属线的位置(参见右侧虚线圈)彼此分开，并且应用了现有技术未使用的空间(参见图1的右空间)，从而可以增加空间使用效率，更能够可以减少整体布局。
尽管用于源极驱动器IC的信号首先供应给设置于最左侧的源极驱动器IC，然后供应的信号以串接模式传送至设置于右侧上的另一个源极驱动器IC是寻常的，但信号可能从右向左传送。在这个情况中，本发明的结构可以仅用一方法改良如同在显示面板左侧上设置栅极驱动器IC，从右侧驱动供应信号至源极驱动器IC的金属线，而不是从左侧驱动。尽管图2内显示两个FPC 230和240，本发明可以藉由任意一个FPC实现或两个以上的FPC而实现。
尽管在图式中没有清楚地显示，电源以及显示相关信号通过一个或多个FPC经由玻璃基板线路(LOG)传送至对应驱动器IC。除此之外，尽管图1和图2显示了施加于源极驱动器IC的伽玛信号以及控制信号GAM/CON以总线的形式供应，实际上，每个信号直接由对应的FPC接收。因此，由于这个特性，布局中的金属线的相对重要性大幅增加。
尽管图2显示源极驱动器IC设置于像素阵列的下侧，源极驱动器IC也可以设置于像素阵列的上侧。
本发明适用于应用COG技术的情形，而将在玻璃基板上表面上的芯片安装于LCM，供应至源极驱动器IC和栅极驱动器IC的一部分金属线的整体、承载电源以及整体或部分控制信号被分散，使得整体中面板设计效率最大化。
从上述描述中可以了解，本发明的优点在用于显示面板的LCM面板设计效率可最大化，而整体面积减小。
以上所述仅为用以解释本发明的较佳实施例，可以理解地是凡有在相同的发明精神下所作有关本发明的任何修饰或变更，皆仍应包括在本发明意图保护的范畴。

Claims (4)

1.一种用于显示面板的液晶模块，包含：
像素阵列；
多个源极驱动器集成电路(integrated circuit，IC)，以水平方向设置于该像素阵列的上侧或下侧；以及
多个栅极驱动器IC，以垂直方向设置于该像素阵列的左侧或右侧，
其特征在于，所述栅极驱动器IC设置于在所述源极驱动器IC中被设置首先供应视频数据以及时钟信号的一源极驱动器IC的位置的相对位置。
2.如权利要求1所述的用于显示面板的液晶模块，其特征在于，进一步包含：
至少一个挠性印刷电路(flexible printed circuit，FPC)，用于将电源以及一显示相关信号供应至所述源极驱动器IC和所述栅极驱动器IC。
3.如权利要求2所述的用于显示面板的液晶模块，其特征在于，进一步包含：
时序控制器，用于将该显示相关信号供应至所述FPC。
4.如权利要求2或3所述的用于显示面板的液晶模块，其特征在于，该电源和该显示相关信号通过一玻璃基板线路(Line on Glass，LOG)传送。
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CN103680432A (zh) * 2012-08-31 2014-03-26 乐金显示有限公司 液晶显示装置以及驱动该液晶显示装置的方法
CN103824541A (zh) * 2012-11-16 2014-05-28 乐金显示有限公司 包括玻上线的显示设备
CN110140164A (zh) * 2016-12-27 2019-08-16 硅工厂股份有限公司 源极驱动器的感测电路以及使用其的显示设备

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