Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2007-03-20
2010-12-14
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
C345S084000, C345S088000, C353S053000, C353S069000, C359S234000, C359S246000
Reexamination Certificate
active
07852329
ABSTRACT:
An image display apparatus includes a light source that generates light-source light of a plurality of colors, at least one optical modulator that corresponds to the light source and modulates image light of each of the light-source light of the plurality of colors, a display drive unit that controls the operation of the optical modulator according to an input image signal to perform display, a signal determining unit that determines whether the image signal has been input and whether the image signal can be processed by the display drive unit, and determines that a display state is non-normal when the image signal has not been input or when the image signal cannot be processed by the display drive unit, and a controller that, when the signal determining unit determines that the display state is non-normal, generates only at least one specific color light of the light-source light of the plurality of colors and simultaneously transmits a display image signal for non-normal display to the optical modulator.
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patent: 2006/0055893 (2006-03-01), Tseng et al.
patent: 2009/0027623 (2009-01-01), Kawamura et al.
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Mengistu Amare
Oliff & Berridg,e PLC
Sadio Insa
Seiko Epson Corporation
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