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Driving system architecture of liquid crystal display panel, and liquid crystal display (LCD) applying same

A liquid crystal display panel, liquid crystal display technology, applied in the direction of static indicators, instruments, etc., can solve the problems of increasing the risk of P-GammaIC assembly corresponding to the wrong panel, increasing shipping costs, etc., to improve optical brightness deviation and reduce shipments cost, the effect of reducing the risk of corresponding errors

Active Publication Date: 2014-05-28
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology

[0005] However, when shipping to customers, the panel with the X board and the C board will be shipped separately, which will cause the following problems: Some panel manufacturers will update the voltage of the P-Gamma IC for different panels, so each C board It is necessary to adjust the corresponding panel, thus increasing the shipping cost and also increasing the risk of assembling the wrong panel for P-Gamma IC

Method used

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  • Driving system architecture of liquid crystal display panel, and liquid crystal display (LCD) applying same
  • Driving system architecture of liquid crystal display panel, and liquid crystal display (LCD) applying same
  • Driving system architecture of liquid crystal display panel, and liquid crystal display (LCD) applying same

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] figure 2 It is a schematic diagram of the driving system architecture of a liquid crystal display panel according to an embodiment of the present invention, and the following reference figure 2 To illustrate the composition of the system architecture.

[0027] Such as figure 2 As shown, the system architecture includes a control panel (C board), a programmable gamma correction buffer circuit (P-Gamma IC) and at least two data drive circuits (Source IC), corresponding to different circuit boards (X board) , for the convenience of drawing and illustration, in figure 2 There are only 2 X boards in , which is easy to understand, and it is just an example, without any limitation on the number of X boards.

[0028] Wherein, the data driving circuit is use...

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Abstract

The invention discloses a driving system architecture of a liquid crystal display panel, and a liquid crystal display (LCD) applying the same. The driving system architecture comprises at least two source driver ICs, a control board (C board) and a programmable gamma correction buffer circuit (P-Gamma IC), wherein the at least two source driver ICs are respectively corresponding to different circuit boards (X boards) for supplying data line voltages to the liquid crystal display panel; the C board is connected with the multiple X boards; the P-Gamma IC is arranged on one of the multiple X boards and is electrically connected with a source driver IC corresponding to the one X board to provide reference voltages to the source driver IC; and the P-Gamma IC provides the reference voltages for other source driver ICs through a line which passes through the C board and other X boards. According to the invention, a P-Gamma IC is arranged on an X-board rather than on the C board so that a client does not have to match the P-Gamma IC to a specific C board during assembling, thus the shipment cost is reduced, and the risks of matching errors are reduced.

Description

technical field [0001] The invention relates to the field of liquid crystal displays, in particular to a driving system architecture of a liquid crystal display panel and a liquid crystal display using the same. Background technique [0002] In recent years, with the thinner display trend, Liquid Crystal Display (LCD for short) has been widely used in various electronic products, such as mobile phones, notebook computers, and color TV sets. [0003] The programmable gamma correction buffer circuit (P-Gamma IC) can automatically detect and adjust the voltage through sensor detection and combined with software to improve the accuracy of the voltage during the process, and then adjust the most suitable color for the user and can It reduces flicker and is widely used in LCD products. [0004] Generally, on a high-resolution panel, the P-Gamma IC is usually placed on the control board (Control Board, referred to as C board), and the P-Gamma IC is provided with a voltage via a fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G2300/0426G09G2320/0233G09G2330/028
Inventor 许神贤
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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