Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2011-08-09
2011-08-09
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S087000, C345S090000, C345S092000, C345S098000, C345S212000, C345S213000, C345S214000
Reexamination Certificate
active
07995051
ABSTRACT:
An exemplary driving circuit includes pixel electrodes (362) applied with voltage signals (VS) respectively via corresponding switching elements (361) connected thereto and common electrodes (363) applied with common voltage signals. Each switching elements includes an input electrode (3613). The driving circuit further includes at least one comparator (40) and a common voltage generator (34). The at least one comparator is configured for obtaining at least one voltage deviation value (ΔV) between the voltage signal of at least one of the pixel electrodes and the voltage signal of the corresponding input electrode. The common voltage generator is configured for generating a common voltage signal according to the at least one voltage deviation value, and outputting to the common voltage signal to the common electrodes.
REFERENCES:
patent: 5191455 (1993-03-01), Hashimoto et al.
patent: 6424330 (2002-07-01), Johnson
patent: 6897908 (2005-05-01), Lee et al.
Chimei Innolux Corporation
Chung Wei Te
Elnafia Saifeldin
Hjerpe Richard
Innocom Technology (Shenzhen) Co., Ltd.
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