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US Patent 7142781 Self-luminous device and electric machine using the same

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Is a
Patent
Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
71427810
Patent Inventor Names
Jun Koyama0
Kazutaka Inukai0
Date of Patent
November 28, 2006
0
Patent Application Number
109428080
Date Filed
September 17, 2004
0
Patent Citations Received
‌
US Patent 11937475 Display device and semiconductor device
0
Patent Primary Examiner
‌
Long Pham
0
Patent abstract

To provide a self-luminous device capable of clear, multi-gray scale, color display and an electric machine provided with the same. Gray scale display is attained by a time division driving method in which an EL element (109) provided in a pixel (104) is controlled to emit light or not to emit light by means of time, thereby avoiding being affected by fluctuation in characteristic in current controlling TFTs (108).

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