Computer graphics processing and selective visual display system – Display driving control circuitry – Light detection means
Reexamination Certificate
2003-05-27
2008-03-18
Shankar, Vijay (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Light detection means
C345S204000, C345S210000
Reexamination Certificate
active
07345685
ABSTRACT:
An electronic circuit, an electronic device, and an electronic apparatus are provided that are capable of display with good quality and reducing operation delay, and a method to drive the electronic circuit. First and second switching transistors are turned on and an operation voltage Vdx and a data-current Idata are transmitted to a holding capacitor. The conduction state of a driving transistor is set according to an electrical-charge amount corresponding to the data-current Idata held in the holding capacitor and a current that passes the driving transistor is transmitted to an organic EL element. Then, a first switch is turned off, a second switch and the second switching transistor are turned on, and a reset voltage Vr is transmitted to the holding capacitor, whereby the driving transistor is turned off and the organic EL element stops emitting light.
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CN 1242563A corresponding to U.S. 6,369,786 (Chinese-language copy not enclosed).
Oliff & Berridg,e PLC
Seiko Epson Corporation
Shankar Vijay
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