Selection of connection units, shift registers and display panels

A shift register and connection unit technology, applied in static memory, digital memory information, instruments, etc., can solve the problem of cost increase

Active Publication Date: 2019-05-17
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the existing gate driving circuit, when bidirectional scanning is required, it is often necessary to set a forward scanning input unit and a reverse scanning input unit. In the corresponding traditional gate driving circuit, the structure of the shift register unit needs to be based on The two scanning input units of the set undergo structural modification, which leads to an increase in cost

Method used

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  • Selection of connection units, shift registers and display panels
  • Selection of connection units, shift registers and display panels
  • Selection of connection units, shift registers and display panels

Examples

Experimental program
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Embodiment approach

[0142] Preferably, refer to Figure 9 and Figure 11 , as the first implementation manner of the above-mentioned second selection scan unit 320 , the second selection scan unit 320 includes a second turn-on module 327 and a second turn-off module 328 .

[0143] Wherein, the above-mentioned second conduction module 327 is used to conduct the second enable signal input terminal 321 of the second selection scan unit 320 when the third control terminal 323 of the second selection scan unit 320 receives the second level signal and the second output terminal 326 of the second selection scanning unit 320 .

[0144] The second cut-off module 328 is used to suspend the second reset terminal 325 of the second selection scan unit 320 when the third control terminal 323 of the second selection scan unit 320 receives the second level signal.

[0145] The above-mentioned second cut-off module 328 is also used for resetting the reset terminal of the second initial shift register unit assem...

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PUM

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Abstract

The invention discloses a selection connecting unit, a shifting register and a display panel, wherein the selection connecting unit comprises an input end, a first control end, a first output end and a second output end; when the first control end receives a first level signal, the input end of the selection connecting unit is conducted with the first output end of the selection connecting unit; when the first control end receives a second level signal, the input end of the selection connecting unit is conducted with the second output end of the selection connecting unit. The selection connecting unit has the advantages that through the installed first control end and the two output ends, the signals received by the input end of the selection connecting unit can be selectively output according to the first level signal and the second level signal received by the first control end; when the selection connecting unit is applied to a grid electrode driving circuit, the positive and reverse scanning function can be realized.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to an optional connection unit, a shift register including the optional connection unit, and a display panel including the shift register. Background technique [0002] Generally, the gate drive circuit is often used in the design of the drive circuit of the display panel, which has the advantages of low power consumption, low cost and high resolution. [0003] However, in existing gate drive circuits, when bidirectional scanning is required, it is often necessary to set forward scan input units and reverse scan input units. In corresponding traditional gate drive circuits, the structure of the shift register unit needs to be based on The two scanning input units provided are structurally modified, which leads to an increase in costs. [0004] Therefore, how to design a gate driving circuit capable of bidirectional scanning without changing the structure of the original sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20G11C19/28
CPCG09G3/20G09G2310/0286G11C19/28
Inventor 王俊伟
Owner BOE TECH GRP CO LTD
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