Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2011-06-21
2011-06-21
Eisen, Alexander (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
C345S205000, C345S211000, C345S098000, C345S099000, C345S100000
Reexamination Certificate
active
07965283
ABSTRACT:
An object of the present invention is to provide a display device consuming lower amounts of power. The display device determines whether or not video signals corresponding to all of pixels in one row of a plurality of pixels are equal to one another. In a case where the video signals corresponding to at least two pixels among the video signals corresponding to all of the pixels in one row of the plurality of pixels, are different from each other, video signals input to an image signal input line are sequentially output to a plurality of source signal lines in synchronization with a sampling pulse output from a shift register. On the other hand, when the video signals corresponding to all of the pixels in one row of the plurality of pixels are equal to one another, input of a start pulse to the source driver is stopped, and the video signals input to the image signal input line are simultaneously output to the plurality of source signal line.
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Eisen Alexander
Husch & Blackwell LLP
Leiby Christopher E
Semiconductor Energy Laboratory Co,. Ltd.
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