Computer graphics processing and selective visual display system – Display driving control circuitry – Adjusting display pixel size or pixels per given area
Reexamination Certificate
2004-04-09
2009-02-24
Nguyen, Kevin M (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Adjusting display pixel size or pixels per given area
C345S696000, C345S694000, C348S445000, C348S558000, C348S173000
Reexamination Certificate
active
07495680
ABSTRACT:
A display apparatus that displays a composite image signal obtained by combining an image signal for a side panel with an input image signal corresponding to a picture region and carries out a picture display based on peak luminance enhancement control, first detects an average brightness level of the input image signals when generating the image signal for the side panel. This sets the brightness level of the image signal for the side panel before the composition based on the detection result of the average brightness level of the input image signals so as to obtain a display brightness level in which the visual brightness of the displayed side panel is substantially constant, as a result of the peak luminance enhancement control. Accordingly, the brightness of the side panel becomes constant, thereby alleviating a burn-in phenomenon.
REFERENCES:
patent: 6476824 (2002-11-01), Suzuki et al.
patent: 7190401 (2007-03-01), Hara et al.
patent: 2001306026 (2001-11-01), None
patent: 2002323872 (2002-11-01), None
Lerner David Littenberg Krumholz & Mentlik LLP
Nguyen Kevin M
Sony Corporation
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