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:
Oct. 29, 2013
Filed:
Aug. 27, 2008
Applicant:
Ryuichiro Isobe, Chiba, JP;
Inventor:
Ryuichiro Isobe, Chiba, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a display apparatus, in which a deterioration of a display device in an icon display region is reduced to lower the occurrence of burn-in. The display apparatus includes multiple pixels each including sub-pixels of red, green, blue and white, which are arranged in matrix and a color operation circuit for converting an image signal into a driving signal for the sub-pixels, in which each of the sub pixels includes an electroluminescence device and the color operation circuit adjusts a luminance ratio between the sub-pixels of red, green and blue and the sub-pixel of white based on a display region.