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Grid driver

A gate driver and gate drive technology, which can be used in instruments, static memories, static indicators, etc., can solve problems such as increased production costs and decreased production yield of liquid crystal displays.

Inactive Publication Date: 2014-04-23
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the configuration of traditional shift registers in the circuit structure of double-sided single-drive leads to the increase of the original single dark dot in the LCD to two consecutive dark dots, which greatly reduces the production yield of the LCD, and the production cost also relatively increased

Method used

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Embodiment Construction

[0046] The following is a detailed description of the embodiments in conjunction with the accompanying drawings, but the provided embodiments are not used to limit the scope of the present invention, and the description of the structure and operation is not used to limit the order of its execution, and any recombination of components The structure of the resulting device with equal efficacy is within the scope of the present invention. In addition, the drawings are for illustrative purposes only and are not drawn to original scale. For ease of understanding, the same components will be described with the same symbols in the following description.

[0047] The terms (terms) used throughout the specification and patent claims, unless otherwise specified, generally have the ordinary meaning of each term used in this field, in the disclosed content and in the special content. Certain terms used to describe the present disclosure are discussed below or elsewhere in this specificat...

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Abstract

The invention provides a grid driver including a multistage shifting register and a plurality of cutting units. The multistage shifting register is used for outputting shifting register signals in sequence according to time sequence signals of different stages. Each shifting register has its own working period and two working period of two adjacent shifting register signals are overlapped with each other. Each cutting unit is coupled with one stage of the shifting register, wherein a cutting unit corresponding to an N-stage shifting register is used for selecting a part of working period from shifting register signal of the N stage based on time sequence signals of the N-1 stage shifting register or the N+1 shifting register, so as to generate grid driving signals. Therefore, working periods of the grid driving signals produced by the cutting unit are staggered with each other. N is a positive integer greater than 2.

Description

【Technical field】 [0001] The present invention relates to a gate driver, especially a gate driver in a display panel. 【Background technique】 [0002] In recent years, liquid crystal display related products have become quite popular. Generally speaking, the shift register is disposed on one side of the liquid crystal display. Recently, in order to realize a display panel with a narrow frame, another configuration of shift registers has been developed, that is, a circuit architecture with double-sided single-driver. [0003] In terms of the circuit architecture of double-sided single-drive, the shift registers are respectively arranged on both sides outside the pixel area of ​​the display panel. The shift register on one side outputs the gate signal of the even-numbered shift register, while the shift register on the other side The register outputs the gate signal of the odd-numbered shift register, and the area required for the original unilateral gate driver layout is red...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/3674G09G2310/0281G09G2310/0286G09G2310/08G11C19/28
Inventor 徐伟钧丁友信傅春霖
Owner AU OPTRONICS CORP
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