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.

Date of Patent:
Sep. 12, 2017

Filed:

Apr. 03, 2015
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Ikuo Takanashi, Fujisawa-shi, JP;

Yoshiyuki Nagashima, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3607 (2013.01); G09G 3/342 (2013.01); G09G 3/3611 (2013.01); G09G 2320/029 (2013.01); G09G 2320/0606 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/0666 (2013.01); G09G 2320/0693 (2013.01); G09G 2360/145 (2013.01);
Abstract

An image display apparatus includes a light-emitting unit, a display unit configured to modulate light from the light-emitting unit, a light-emission control unit configured to control light emission of the light-emitting unit, a display control unit configured to execute display processing for displaying images for calibration in order, an acquiring unit configured to acquire a measurement value of light emitted from a region, of a screen, where the image for calibration is displayed, and a calibrating unit configured to execute a calibration on the basis of measurement values of the images, wherein when a light emission state of the light-emitting unit changes during the execution of the display processing, the display control unit executes the display processing again.


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