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Reset circuit

A technology for resetting circuits and pathways, applied to instruments, static indicators, etc., can solve problems such as wrong charging of pixel data in the screen, abnormal display of the screen, etc.

Active Publication Date: 2012-07-18
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when the process variation of the transistors T41 and T42 in the pull-down circuit 100 is too large, it will cause the control signal Q(n) to leak to the gate-off signal level Vss early in the period t instead of as figure 2 As shown by the dotted line in the period t, the gate drive pulse G(n) cannot be closed normally, which will cause the gate drive pulse G(n) to drag (such as figure 2 The waveform of G(n) in the middle period t), when the dragging is too long, it will lead to wrong filling of pixel data in the screen, resulting in abnormal screen display

Method used

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Embodiment Construction

[0049] see Figure 3A , which shows a schematic structural diagram of the reset circuit proposed by the first embodiment of the present invention. Such as Figure 3A As shown, the reset circuit 10 is electrically coupled to the output terminal of the shift register SR(n) (for outputting the gate driving pulse G(n)), and is used to adjust the output of the shift register SR(n) terminal potential; Figure 3A The shift register SR(n) in can be compared with figure 1 The shift register SR(n) in has the same circuit structure, but the present invention is not limited thereto; in addition, it should be noted that, Figure 3A The drawing of the reset circuit 10 outside the shift register SR(n) is only for distinguishing the difference between the present invention and the prior art, and is not used to limit whether the shift register SR(n) includes the reset circuit 10 .

[0050] Based on the above, this embodiment uses a single odd-numbered shift register SR(n) among multiple sh...

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Abstract

The invention discloses a reset circuit, which is suitable for adjusting the level of the output terminal of a shift register. The reset circuit includes a reset circuit driving module and a reset module, wherein the reset circuit driving module receives an enable signal to reset the output control level at the output terminal of the reset circuit driving module, the reset module is electrically coupled to the output terminal of the shift register, the control level of the output terminal of the reset circuit driving module controls the leval control reset module whether to conducted the output terminal of the shift register to the first predetermined level.

Description

technical field [0001] The present invention relates to the field of display technology, and in particular to a structure of a reset circuit suitable for adjusting the potential of an output end of a shift register. Background technique [0002] With the development of technology, flat-panel displays (such as liquid crystal displays) are widely used in mobile phones, notebook computers, and desktop display devices due to their advantages of high image quality, small size, light weight, and wide application range. And various consumer electronic products such as TV, and have gradually replaced the traditional cathode ray tube display and become the mainstream of the display. [0003] At present, in order to reduce the cost of flat panel displays, Gate-on-Array (GOA) and Half-source Driving (HSD) technologies have been developed. Usually, the gate driving circuit on the array includes a plurality of shift registers connected in series to output a plurality of gate driving pul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 郑晓钟黄正翰张盟昇
Owner AU OPTRONICS CORP
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