Illumination – Light source and modifier – Laser type
Reexamination Certificate
2007-10-31
2010-10-12
Lester, Evelyn A. (Department: 2873)
Illumination
Light source and modifier
Laser type
C362S317000, C372S020000, C372S021000, C372S022000, C372S023000, C372S043010, C359S326000, C359S328000
Reexamination Certificate
active
07810952
ABSTRACT:
A method and apparatus for modulating a particular light source used for laser display are provided. The apparatus includes a digital modulator digitally modulating light output from a semiconductor laser to a frequency higher than a repetition frequency required for laser image display; and a pixel brightness adjustor inserting at least one high-speed pulse into a period of the modulated output light, which is required for a single pixel, and adjusting a brightness of the pixel by adjusting the number of the inserted high-speed pulses.
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Lee Jong Moo
Oh Su Hwan
Electronics and Telecommunications Research Institute
Ladas & Parry LLP
Lester Evelyn A.
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