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US Patent 7872622 Liquid crystal display

Patent 7872622 was granted and assigned to Samsung on January, 2011 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Samsung
Samsung
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
78726220
Patent Inventor Names
Dong-kyu Kim0
Date of Patent
January 18, 2011
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Patent Application Number
114441850
Date Filed
May 31, 2006
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Patent Primary Examiner
‌
Sumati Lefkowitz
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Patent abstract

A liquid crystal display (LCD) which can provide uniform vertical and horizontal visibility while improving lateral visibility is provided. The LCD includes a first insulating substrate, first and second gate lines which are formed on the first insulating substrate, and a data line which is insulated from the first and second gate lines and intersects the first and second gate lines. The LCD also includes first and second thin film transistors (TFTs) which are formed in each pixel and are connected to the first and second gate lines, respectively, and to the data line, first sub-pixel electrodes which are connected to the first TFT, and a second sub-pixel electrode which is separated from the first sub-pixel electrodes by predetermined gaps and is connected to the second TFT. The LCD includes a second insulating substrate which faces the first insulating substrate, a common electrode which is formed on the second insulating substrate and comprises a plurality of domain dividers, and a liquid crystal layer which is interposed between the first and second insulating substrates, wherein a display region of the second sub-pixel electrode is divided into 4 domain groups by the domain dividers, and the 4 domain groups have substantially the same area.

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