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A driving circuit and method for a 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: 2020-11-06
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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  • A driving circuit and method for a display device
  • A driving circuit and method for a display device
  • A driving circuit and method for a 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 present application provides a driving circuit and method for a display device, including: a switching module including a first input terminal, a second input terminal, a control terminal and an output terminal, the first input terminal acquires a first signal, and the second The input terminal obtains the second signal, the output terminal is connected to the pixel electrode, the control terminal obtains the control signal, and the switching module selectively switches the first signal and the second signal according to the level change of the control signal. output to the output terminal; the controller is connected to the control terminal, the controller includes a first terminal and a second terminal, the first terminal obtains the first input signal, and the second terminal obtains the second input signal , the controller outputs the first input signal as the control signal according to the period change of the second input signal. The driving circuit of the display device provided by the present application can avoid the abnormal phenomenon of the picture when starting up because the voltage on the pixel electrode is different from the reference voltage when starting up.

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