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:
Nov. 21, 2017
Filed:
May. 05, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshiyuki Nagashima, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image display apparatus includes: a plurality of light emitting units; a display panel; a first acquisition unit configured to acquire brightness information, a first control unit configured to determine light emission quantity for each of the light emitting units; a second acquisition unit configured to acquire a detected value of light from a predetermined region; a first determination unit configured to determine whether a change due to a difference of the light emission quantity between the light emitting units is generated in the light from the predetermined region; a calibration unit configured to perform calibration of display characteristics; and a second control unit configured to control the calibration on the basis of a determination result of the first determination unit.