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Liquid crystal display, method of modifying image signals and driving method of liquid crystal display

A liquid crystal display, image signal technology, applied in static indicators, instruments, optics, etc., can solve problems such as difficult compensation of liquid crystal, low response speed, etc.

Inactive Publication Date: 2007-06-20
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the gamma curve of a sub-pixel with a relatively low voltage, because at a lower gray level, the voltage change is small relative to the predetermined change in the gray level, it is not easy to compensate for the lower voltage of the liquid crystal when an overshoot voltage is applied. responding speed

Method used

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  • Liquid crystal display, method of modifying image signals and driving method of liquid crystal display
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  • Liquid crystal display, method of modifying image signals and driving method of liquid crystal display

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Embodiment Construction

[0044] The invention will now be described in more detail with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout this application.

[0045] It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may be present therebetween. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0046] It should be und...

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Abstract

Disclosed is a liquid crystal display, includes: plurality of pixels having a first and second sub-pixels; an image signal correction unit for generating preparation signal based on former image signal and current image signal and generating correction image signal based on preparation signal and next image signal, and generating enable signal and synchronous signal; a first circuit for computing the logic product of the enable signal and synchronous signal, and outputting the logic product as the correction information signal; a second circuit for computing the logic sum of the correction information signal and pixel information signal, and outputting the logic sum as the result signal; and a gray scale voltage generator for generating a first or second gray scale voltage group that different with each other.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2005-0123135 filed on December 14, 2005, the entire contents of which are incorporated herein by reference. technical field [0002] The invention relates to a liquid crystal display, an image signal correction method, and a method for driving a liquid crystal display. Background technique [0003] Liquid crystal displays are the most widely used flat panel displays today. A liquid crystal display has: two display panels on which electric field generating electrodes such as pixel electrodes and common electrodes are formed; and a liquid crystal layer interposed between the panels. In a liquid crystal display, a voltage is applied to an electric field generating electrode to generate an electric field, and then alignment of liquid crystal molecules of a liquid crystal layer is determined by the electric field. Therefore, the polarization of incident light is controlled by the liquid crystal molecul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/20G02F1/133G09F9/35
CPCG09G2300/0443G09G3/3648G09G2340/16G09G2320/0252G09G2320/0276G09G3/36G02F1/133
Inventor 金钟雨
Owner SAMSUNG ELECTRONICS CO LTD