Computer graphics processing and selective visual display system – Display driving control circuitry – Waveform generator coupled to display elements
Reexamination Certificate
2004-11-17
2009-12-15
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Waveform generator coupled to display elements
C345S076000
Reexamination Certificate
active
07633496
ABSTRACT:
A display control circuit and a display unit are provided. The display control circuit generates a sweep signal that is at a fixed voltage level for an arbitrary period. The display unit compares the magnitude of a signal voltage that is written by a data line drive circuit in accordance with display data and the magnitude of the sweep signal generated by the display control circuit, and exercises illumination
onillumination control in accordance with the comparison result.
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Akimoto Hajime
Awakura Hiroki
Kasai Naruhiko
Satou Toshihiro
Brundidge & Stanger, P.C.
Hitachi Displays Ltd.
Hjerpe Richard
Sheng Tom V
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