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GOA circuit and HG2D pixel structure having GOA circuit

A circuit and thin-film transistor technology, applied in the field of HG2D pixel structure, can solve the problems of wide total width of CK signal lines, large space, complicated circuit wiring, etc., and achieve the effect of saving circuit wiring space, making good use of space, and reasonable circuit wiring

Inactive Publication Date: 2018-12-14
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a GOA circuit to solve the problems in the prior art that the total width of the CK signal line is wide, the required circuit wiring (Layout) space is large, and the circuit wiring is complicated

Method used

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  • GOA circuit and HG2D pixel structure having GOA circuit
  • GOA circuit and HG2D pixel structure having GOA circuit
  • GOA circuit and HG2D pixel structure having GOA circuit

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Embodiment 1: refer to figure 1 , figure 2 , a GOA circuit, comprising a bus unit 2 and a plurality of cascaded GOA drive units 1, an odd number of CK clock signal lines 800 and STV signal lines are arranged in the bus unit 2, and each of the GOA drive units 1 is connected to A CK clock signal line 800 . The duty ratio of the CK signal of each of the CK clock signal lines 800 is set to Duty(100 / N) / (100 / N). The odd number is an integer greater than 2. In this embodiment, three CK clock signal lines 800 are taken as an example to further explain the present invention. When three CK clock signal lines 800 are arranged in the bus unit 2 , the duty ratio of the CK signal of each CK clock signal line 800 is set to Duty 33 / 33. The CK clock signal lines 800 are labeled CK1, CK2, CK3, respectively. Its output clock signal is as image 3 shown. An odd number of CK clock signal lines 800 can be applied to the Layout space between odd and even numbers. For example, when the ...

Embodiment 2

[0037] Example 2, such as Figure 5 As shown, in this embodiment, the GOA circuit further includes a multi-stage pre-charging unit, which is correspondingly connected to each stage of the GOA driving unit 1 . The connection structure between the pre-charging unit and the GOA driving unit 1 is the technical knowledge mastered by those skilled in the art, which will not be repeated here.

[0038] In this embodiment, the GOA unit includes a pull-up control module 100, a pull-up module 200, a download module 300, a pull-down maintenance module 400, a pull-down module 500, and a bootstrap capacitor 600; the pull-up control module 100 is connected to the download module respectively 300 and the pull-down maintenance module 400 are connected; the pull-up module 200 is connected with the CK clock signal line 800 and the scanning line 900 of the current level; the downlink module 300 is connected with the CK clock signal line 800 and the pull-down module 500 respectively; the pull-down...

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Abstract

The invention discloses an HG2D pixel structure having a GOA circuit. The GOA circuit comprises a bus unit and multiple cascade GOA driving units. An odd number of CK clock signal lines are arranged in the bus unit. Each GOA driving unit is connected with one CK clock signal line. The CK signal duty ratio of each CK clock signal line is set as Duty (100 / N) / (100 / N). The number of the CK clock signal lines can be effectively reduced, when the CK clock signal lines are applied to the HG2D pixel structure, an odd number of CK clock signal lines are used and the number of certain intermediate CK clock signal lines, such as 6CK and 10CK clock signal lines, can be used and the number of the clock signal lines can be multiplied by the multiple of 2 so that the space can be better utilized, the circuit wiring can be reasonably arranged and the circuit wiring space can be saved.

Description

technical field [0001] The invention relates to technical fields such as liquid crystal display, and specifically relates to a GOA circuit and an HG2D pixel structure having the GOA circuit. Background technique [0002] With the improvement of TFT performance, GOA technology has been widely used in our panels. GOA technology has many advantages, such as saving Gate IC, improving customer yield, and realizing borderless design. [0003] The GOA circuit generally includes two parts: the GOA drive unit (Circuit) and the bus unit (busline), where the bus unit (busline) includes CK signal lines, XCK signal lines, STV signal lines, VSS signal lines, LC control signal lines, etc. Under normal circumstances, the GOA circuit always has the CK signal and the XCK signal appearing at the same time, one is used as a continuous transmission signal, and the other is used as a pull-down signal, so that the GOA circuit continues to transmit. In the advanced multi-CK signal GOA circuit, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/3677
Inventor 吕晓文陈书志
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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