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US Patent 7646440 Pixel structure of LCD and fabrication method thereof

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Yi-Sheng Cheng0

Chih-Wei Chao0

Date of Patent

January 12, 2010

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Patent Application Number

120197010

Date Filed

January 25, 2008

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Patent Citations Received

US Patent 11699656 Tank circuit structure and method of making the same

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Patent Primary Examiner

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Patent abstract

Five photomasks are used in fabricating the pixel structure of an LCD. In this pixel structure, a metal light-shielding layer is formed under the thin film transistor to reduce photocurrent. Furthermore, a metal conductive wire is used to increase the storage capacity of the storage capacitor.

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