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US Patent 7783945 Display apparatus and test circuit thereof

Patent 7783945 was granted and assigned to AU Optronics on August, 2010 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

AU Optronics

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

77839450

Patent Inventor Names

Li-Wei Shih0

Chi-Wen Chen0

Date of Patent

August 24, 2010

Patent Application Number

116968860

Date Filed

April 5, 2007

Patent Primary Examiner

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Phung M Chung

Patent abstract

A display apparatus comprises a pixel array, a front-end circuit, a test circuit, and an enable circuit. The test circuit tests the pixel array. The enable circuit determines whether to enable the test circuit in response to a predetermined voltage. After the pixel array is tested, the predetermined voltage is provided by the front-end circuit to disable the test circuit.