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Driving circuit and method for display device

A technology of display device and driving circuit, applied in static indicators, instruments, etc., can solve problems such as abnormal pictures

Active Publication Date: 2019-03-12
HKC CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, the reference voltage on the CF side has not yet reached the predetermined voltage value, but the timing controller has started to output, resulting in abnormal screen

Method used

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  • Driving circuit and method for display device
  • Driving circuit and method for display device
  • Driving circuit and method for display device

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Embodiment Construction

[0029] The following descriptions of the various embodiments refer to the attached drawings to illustrate specific embodiments that the present application can be implemented in. The directional terms mentioned in this application, such as "up", "down", "front", "rear", "left", "right", "inside", "outside", "side", etc., are for reference only The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application.

[0030] The drawings and descriptions are to be regarded as illustrative in nature and not restrictive. In the figures, structurally similar units are denoted by the same reference numerals. In addition, the size and thickness of each component shown in the drawings are arbitrarily shown for understanding and convenience of description, but the present application is not limited thereto.

[0031] Also, in the specification, unless it is clearly described to the contrary...

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Abstract

The invention provides a driving circuit and method for a display device. The driving circuit comprises a switching module and a controller, wherein the switching module comprises a first input terminal, a second input terminal, a control terminal and an output terminal, the first input terminal obtains a first signal, the second input terminal obtains a second signal, the output terminal is connected with a pixel electrode, the control terminal obtains a control signal, and the switching module selectively outputs the first signal and the second signal to the output terminal according to thelevel change of the control signal; the controller is connected with the control terminal, the controller comprises a first end and a second end, the first end obtains a first input signal, the secondend obtains a second input signal, and the controller inputs the first input signal according to the periodic change of the second input signal to take the first input signal as the control signal. The driving circuit for the display device can avoid the phenomenon of abnormal images caused by the fact that the voltage on the pixel electrode is different from the reference voltage when the poweris turned on.

Description

technical field [0001] The present application relates to the field of display, in particular to a driving circuit and method of a display device. Background technique [0002] TFT-LCD (Thin Film Transistor Liquid Crystal Display, Thin Film Transistor Liquid Crystal Display) is one of the main types of flat-panel displays at present. It has the advantages of low cost, low power consumption and high performance, and has a wide range of applications in the fields of electronics and digital products. It has become an important display platform in modern video products. The main driving principle of TFT-LCD is that the main board of the system connects the R / G / B compressed signal, control signal and power to the connector on the PCB (Printed Circuit Board) board through the wire, and the data passes through the TCON (Timing Controller, Timing controller) After integrated circuit processing, it is connected to the display area through the PCB board, the source thin film driver c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G09G3/3611G09G2310/0264G09G3/3696G09G2330/04G09G2330/02G09G3/3614G09G2310/08
Inventor 黄笑宇
Owner HKC CORP LTD