Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2008-02-29
2011-11-22
Nguyen, Chanh (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
Reexamination Certificate
active
08063873
ABSTRACT:
The disclosure describes a system and method for adjusting a backlight for a display for an electronic device. In the method, the following steps are provided: identifying a highest brightness value of an image for generation on the display; determining whether there is sufficient brightness headroom for the image based on the highest brightness value. If the brightness headroom is sufficient, then the method adjusts the image to create an adjusted image where elements of the adjusted image are boosted in brightness from the image based on the brightness headroom; and generates the adjusted image on the display. Finally, the method adjusts a backlight level to a lower adjusted backlight level for the adjusted image based on the brightness headroom.
REFERENCES:
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patent: 2004/0113906 (2004-06-01), Lew et al.
patent: 2004/0257324 (2004-12-01), Hsu
patent: 2005/0248592 (2005-11-01), Feng et al.
patent: 2007/0216616 (2007-09-01), Stessen et al.
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patent: WO 2005/119639 (2005-12-01), None
McCarthy Tétrault LLP
Mistry Ram
Nguyen Chanh
Research in Motion Limited
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