US 11,862,115 B2
Circuit device and display apparatus
Kentaro Adachi, Hara (JP); and Kumar Anandabairavasamy Anand, Richmond (CA)
Assigned to SEIKO EPSON CORPORATION
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Jan. 31, 2023, as Appl. No. 18/103,514.
Claims priority of application No. 2022-013949 (JP), filed on Feb. 1, 2022.
Prior Publication US 2023/0245628 A1, Aug. 3, 2023
Int. Cl. G09G 3/34 (2006.01)
CPC G09G 3/3426 (2013.01) [G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0646 (2013.01); G09G 2360/16 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A circuit device used in a display apparatus,
the display apparatus including a display panel and a backlight including a plurality of light sources and in which the plurality of light sources are respectively provided corresponding to a plurality of areas of the display panel,
the circuit device comprising:
a light amount abnormality detection circuit configured to detect a light amount abnormality of the light source;
a dimming circuit configured to perform light amount compensation processing of compensating for a light amount of an area corresponding to an abnormal light source by adjusting a light amount of a light source other than the abnormal light source that is a light source in which the light amount abnormality is detected; and
a color correction circuit configured to perform color correction according to the adjusted light amount on image data of an area corresponding to an adjustment target light source that is the light source whose light amount is adjusted.