Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2008-01-29
2008-01-29
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S082000, C345S087000, C345S088000, C345S102000, C315S158000, C315S159000, C315S169100, C315S169300
Reexamination Certificate
active
07324076
ABSTRACT:
In one embodiment, a user-selected color point is received. RGB tristimulus values are then derived for the color point. It is also determined whether the user-selected color point is outside a color selection range of the LED light source and, if so, an error flag is set. Pulse width modulated signals for a plurality of LED drivers for the LED light source are also generated. In another embodiment, tristimulus values representing a color of light produced by an LED light source are received. The received tristimulus values are then compared to tristimulus values corresponding to a user-identified color point. In response to the comparison, pulse width modulated signals are generated for a plurality of LED drivers for the LED light source. After a predetermined number of repetitions of these actions, an error flag is set if the user-selected color point has not been achieved by the LED light source.
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Jaffar Rizal Bin
Lee Joon Chok
Lim Len Li Kevin
Avago Technologies ECBU (IP) Singapore Pte. Ltd.
Hjerpe Richard
Tran My-Chau T.
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