The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2020
Filed:
Jun. 09, 2017
Applicant:
Lapis Semiconductor Co., Ltd., Yokohama, JP;
Inventors:
Koji Yamazaki, Yokohama, JP;
Atsushi Hirama, Yokohama, JP;
Assignee:
LAPIS SEMICONDUCTOR CO., LTD., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3258 (2016.01); G09G 3/34 (2006.01); G09G 5/02 (2006.01); G09G 5/10 (2006.01); G09G 3/3266 (2016.01); G09G 3/3275 (2016.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3266 (2013.01); G09G 3/3275 (2013.01); G09G 3/3413 (2013.01); G09G 3/3426 (2013.01); G09G 3/3677 (2013.01); G09G 3/3688 (2013.01); G09G 5/02 (2013.01); G09G 5/10 (2013.01); G09G 2310/027 (2013.01); G09G 2310/0235 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/0673 (2013.01); G09G 2360/16 (2013.01);
Abstract
A display driver includes a gamma correction data transmission unit that transmits a plurality of gamma correction data pieces one by one in each predetermined period. A brightness level indicated by a video signal is converted into a gradation voltage with a gamma characteristic based on the gamma correction data piece transmitted from the gamma correction data transmission unit.