Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control
Reexamination Certificate
2006-12-19
2006-12-19
Wu, Xiao (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Intensity or color driving control
C345S089000
Reexamination Certificate
active
07151549
ABSTRACT:
A display device or a display driving device includes a display memory for storing display data; a histogram memory for storing frequencies of gray-scale voltages every line; a gray-scale voltage generation circuit for generating a plurality of gray-scale voltages on the basis of reference voltages, a current quantity of a circuit for generating each of the plurality of gray-scale voltages being changed according to a frequency of the gray-scale voltage; and a voltage selector section for selecting a gray-scale voltage to be applied to each of the plurality of pixel sections, from the plurality of gray-scale voltages.
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Higa Atsuhiro
Kudo Yasuyuki
Kurihara Hiroshi
Kurokawa Kazunari
Yokota Yoshikazu
Antonelli, Terry Stout and Kraus, LLP.
Hitachi , Ltd.
Wu Xiao
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