US Patent 7643002 Data driver, liquid crystal display and driving method thereof

Patent 7643002 was granted and assigned to LG on January, 2010 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76430020

Patent Inventor Names

Jin Cheol Hong0

Sung Chul Ha0

Sin Ho Kang0

Date of Patent

January 5, 2010

Patent Application Number

113203870

Date Filed

December 27, 2005

Patent Primary Examiner

‌

Chanh Nguyen

Patent abstract

A liquid crystal display device includes a comparator which judges a voltage of data; and a pre-charge controller which pre-charges a data line of a liquid crystal display panel with a pre-charge voltage if the voltage of the data is a first voltage, and pre-charges the data line with a charge share voltage, which has a lower absolute value than the pre-charge voltage, if the voltage of the data is a second voltage that is lower than the first voltage.

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