Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-02-01
2008-11-11
Tran, Henry N (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S082000, C345S208000, C345S211000, C345S690000, C315S169100, C315S169200, C315S169300
Reexamination Certificate
active
07450093
ABSTRACT:
A light emitting device that achieves long life, and which is capable of performing high duty drive, by suppressing initial light emitting element deterioration is provided. Reverse bias application to an EL element (109) is performed one row at a time by forming a reverse bias electric power source line (112) and a reverse bias TFT (108). Reverse bias application can therefore be performed in synchronous with operations for write-in of an image signal, light emission, erasure, and the like. Reverse bias application therefore becomes possible while maintaining a duty equivalent to that of a conventional driving method.
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Miyagawa Keisuke
Miyazaki Aya
Osame Mitsuaki
Seo Satoshi
Tanada Yoshifumi
Cook Alex Ltd.
Semiconductor Energy Laboratory Co,. Ltd.
Tran Henry N
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