| US 7,548,030 B2 | ||
| Color control for dynamic scanning backlight | ||
| Dror Korcharz, Bat Yam (Israel); Arkadiy Peker, New Hyde Park, N.Y. (US); Alon Ferentz, Bat Yam (Israel); and Tamir Langer, Givataim (Israel) | ||
| Assigned to Microsemi Corp.—Analog Mixed Signal Group Ltd., Hod Hasharon (Israel) | ||
| Filed on Mar. 17, 2008, as Appl. No. 12/49,410. | ||
| Claims priority of provisional application 60/908709, filed on Mar. 29, 2007. | ||
| Prior Publication US 2008/0238341 A1, Oct. 02, 2008 | ||
| Int. Cl. H05B 37/02 (2006.01) | ||
| U.S. Cl. 315—307 [315/155; 315/297] | 25 Claims |
| 1. A method of controlling the output of a luminaire comprising:
receiving a first target signal associated with a first frame;
generating a first light control signal for an on time portion of said first frame, said light control signal responsive to
said received first target signal;
sampling a light output during said on time portion of said first frame, the light output being responsive to said first light
control signal;
receiving a second target signal associated with a second frame, said second frame following said first frame;
comparing said received second target signal associated with said second frame with said sampled light output of said on time
portion of said first frame; and
generating an error signal responsive to said comparing.
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