Liquid crystal display and method for detecting and eliminating residual shadows

A liquid crystal display, technology for eliminating residual images, applied to static indicators, instruments, etc., can solve problems such as residual images of liquid crystal displays, and achieve the effect of increasing timing flexibility

Inactive Publication Date: 2011-06-22
华映视讯(吴江)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The object of the present invention is to solve the afterimage phenomenon of the liquid crystal display caused by the poor design of the image output switching mode of the notebook computer or the small notebook computer

Method used

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  • Liquid crystal display and method for detecting and eliminating residual shadows
  • Liquid crystal display and method for detecting and eliminating residual shadows
  • Liquid crystal display and method for detecting and eliminating residual shadows

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Embodiment Construction

[0022] The present invention will be described in detail with preferred embodiments and viewpoints, and such descriptions are to explain the structure and procedures of the present invention, and are only used for illustration and not for limiting the scope of claims of the present invention. Therefore, besides the preferred embodiment in the description, the present invention can also be widely practiced in other embodiments.

[0023] Details of the invention will now be described, including embodiments of the invention. Referring to the drawings and the following description, like reference numerals are used to identify identical or functionally similar elements, and it is intended to illustrate the main features of the embodiments in a highly simplified diagrammatic manner. In addition, the drawings do not depict every feature of actual embodiments and the depicted drawing elements are drawn in relative size and not to scale.

[0024] The invention provides a liquid crysta...

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Abstract

The invention discloses a liquid crystal display and a method for detecting and eliminating residual shadows. The liquid crystal display comprises a driving circuit board, a grid driver and a detecting module, wherein the driving circuit board is provided with a direct-current power converter and a time schedule controller, wherein the direct-current power converter is used for receiving a power signal, and the time schedule controller is used for receiving an input signal; the grid driver is electrically connected with the direct-current power converter and the time schedule controller and also electrically connected on a panel; and the detecting module is electrically connected with the grid driver and used for detecting the power signal and the input signal. When judging that the power signal and the input signal are abnormal, the detecting module outputs an output pulse signal to the grid driver to eliminate residual shadows.

Description

technical field [0001] The present invention relates to a liquid crystal display and its method for detecting and eliminating image sticking, in particular to a liquid crystal display and a method for detecting and eliminating image sticking that occurs on a liquid crystal display when a notebook computer switches output modes. its method. Background technique [0002] Flat panel displays, such as liquid crystal displays (LCD for short), are widely used in personal digital assistants (PDAs) due to their advantages of high image quality, small size, light weight, low driving voltage, and low power consumption Personal Digital Assistant, referred to as PDA), mobile phones, camcorders, notebook computers, desktop monitors, car monitors and projection TVs and other consumer communications or electronic products. [0003] The system architecture of traditional thin film transistor liquid crystal display (TFT-LCD) is as follows: figure 1 As shown, the thin film transistor liquid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 李朝民吕家亿
Owner 华映视讯(吴江)有限公司
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