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Liquid crystal display and driving method thereof

A liquid crystal display and drive method technology, applied in static indicators, instruments, nonlinear optics, etc., can solve the problems of low power consumption and large power consumption of liquid crystal displays, and achieve the effect of low power loss

Active Publication Date: 2011-08-17
CHANGSHA HKC OPTOELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical problem of high power consumption of the prior art liquid crystal display, it is necessary to provide a liquid crystal display with low power consumption

Method used

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  • Liquid crystal display and driving method thereof
  • Liquid crystal display and driving method thereof
  • Liquid crystal display and driving method thereof

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0023] see image 3 , image 3 It is a schematic circuit diagram of a preferred embodiment of the liquid crystal display 100 of the present invention. The liquid crystal display 100 can be a screen of a personal computer or a screen of a notebook computer. The liquid crystal display 100 includes a switch circuit 102 , a timing controller 104 , a data driver 106 , a scan driver 108 and a liquid crystal display panel 110 . When the vertical synchronization signal generated by the timing controller 104 is transmitted to the scan driver 108, the scan driver 108 will generate a scan signal via the scan line G 1 -G n At the same time, the timing controller 104 will send a horizontal synchronization signal to the data driver 106, and the data driver 106 will pass the data line D 1 -D m The gray scale voltage is output to the pixel unit 120 of the liquid crystal display panel 110 . The timing controller 104 also outputs the first switching signal S1, the second switching signal ...

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Abstract

The invention relates to a liquid crystal display and a driving method thereof. The liquid crystal display comprises a plurality of data wires, a data driver, a plurality of pixel units and a switch circuit connected between the data driver and the plurality of data wires, wherein the data driver is used for writing a gray-scale voltage on the adjacent data wires in a dot inversion driving mode. The switch circuit comprises a plurality of first switches, a plurality of second switches and a plurality of third switches, and the switch circuit controls on and off of the three groups of switchesso that the voltage on the data wires is transformed to accord with the magnitude of the gray-scale voltage to be written in advance before the gray-scale voltage is written to the data wires. The power loss of the liquid crystal display is low.

Description

technical field [0001] The invention relates to a liquid crystal display and a driving method thereof. Background technique [0002] Displays with advanced functions have gradually become an important feature of today's consumer electronics products. Liquid crystal displays have gradually become widely used in various electronic devices such as televisions, mobile phones, personal digital assistants (PDAs), digital cameras, computer screens or notebook computer screens. A monitor with a high-resolution color screen. [0003] see figure 1 , figure 1 It is a schematic circuit diagram of a liquid crystal display 10 in the prior art. The liquid crystal display 10 includes a timing controller 14 , a data driver (source driver) 16 , a scan driver (gate driver) 18 and a liquid crystal display panel 20 . When the frequency signal pulse generated by the timing controller 14 is sent to the scan driver 18, the scan driver 18 will generate a scan signal to the liquid crystal display...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G2310/0297G09G3/3614G09G2310/0248G09G2330/023G09G3/3685G09G3/36G02F1/133
Inventor 王念茂贺成明
Owner CHANGSHA HKC OPTOELECTRONICS CO LTD