Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control
Reexamination Certificate
2007-12-10
2011-10-11
Shalwala, Bipin (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Intensity or color driving control
C345S089000, C382S169000, C382S274000
Reexamination Certificate
active
08035661
ABSTRACT:
The driving apparatus of a display device calculates a slope using a minimum gray, a maximum gray, a gray average of frame data in a current frame, and a gray average of frame data in a previous frame, and corrects and outputs the input frame data according to the slope, using frame data of one frame. As a result, a gray range of the input image signal can be extended, thereby improving visibility. Further, in a case of a motion picture, even when a difference of a gray range of images of adjacent frames is large, an original image is not distorted due to extension of a gray range. Also, even when noise is included in the input image signal, a gray range can be extended after removing the noise.
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Jang Ung-Jin
Kim Hak-Gyu
Lee Il-Pyung
Lee Min-Gu
Lee Sung-Gu
Cantor & Colburn LLP
Crawley Keith
Postech Academy-Industry Foundation
Samsung Electronics Co,. Ltd.
Shalwala Bipin
LandOfFree
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