Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-05-02
2006-05-02
Chow, Dennis-Doon (Department: 2677)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S089000, C345S094000
Reexamination Certificate
active
07038651
ABSTRACT:
In a hold-type display device, such as a liquid crystal display device, so-called blurring which appears on a profile of a displayed animated image can be suppressed without degrading the brightness of the image. An image based on video data to be inputted to a display device is displayed for every frame period and, thereafter, the image is masked with a blanking image. Here, the ratio between an image display period of the video data and a blanking image display period in one frame period is adjusted, based on the number of pixel rows selected in a pixel array in response to a scanning clock for respective periods, the frequency of the scanning clock, and shortening of a horizontal period of display signal inputting to every pixel row with respect to a horizontal scanning period of the video data, whereby the image can be efficiently cancelled using the blanking image.
REFERENCES:
patent: 6771243 (2004-08-01), Hirohata
patent: 2003/0090449 (2003-05-01), Arimoto et al.
patent: 2004/0080480 (2004-04-01), Zhang et al.
Furuhashi Tsutomu
Hirakata Jun-ichi
Kawabe Kazuyoshi
Nitta Hiroyuki
Tanaka Yoshinori
Antonelli, Terry Stout and Kraus, LLP.
Chow Dennis-Doon
Hitachi , Ltd.
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