Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control
Reexamination Certificate
2007-03-20
2007-03-20
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Intensity or color driving control
C345S089000, C345S095000, C345S100000
Reexamination Certificate
active
11126160
ABSTRACT:
A driving display device includes a gray scale voltage generating circuit for generating a plurality of levels of gray scale voltages from a reference voltage, an amplitude adjustment register capable of setting the amplitude of a characteristic curve of a plurality of levels of the gray scale voltages with respect to gray scale numbers, and a gradient adjustment register capable of setting the gradient of the characteristic curve. With this arrangement, the gradient and amplitude of the gray scale number-gray scale voltage characteristic are adjusted.
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Aizawa Hiroki
Akai Akihito
Kudo Yasuyuki
Kurokawa Kazunari
Ookado Kazuo
Antonelli, Terry Stout and Kraus, LLP.
Hitachi , Ltd.
Hjerpe Richard
Shapiro Leonid
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