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.:

US 9978315 B1

PDF
Full Text
Expired
Date of Patent:
May. 22, 2018

Filed:

Sep. 08, 2014
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Koichi Yoshizawa, Shimosuwa-machi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G09G 3/34 (2006.01); G09G 3/20 (2006.01); G03B 21/20 (2006.01); G03B 33/12 (2006.01); H04N 9/31 (2006.01); G09G 3/00 (2006.01); G09G 3/36 (2006.01); G03B 21/22 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G03B 21/208 (2013.01); G03B 21/2026 (2013.01); G03B 21/2033 (2013.01); G03B 21/2073 (2013.01); G03B 33/12 (2013.01); G09G 3/002 (2013.01); G09G 3/2022 (2013.01); G09G 3/3426 (2013.01); G09G 3/3611 (2013.01); G09G 5/10 (2013.01); H04N 9/3105 (2013.01); H04N 9/3126 (2013.01); G03B 21/22 (2013.01); G09G 2300/0469 (2013.01); G09G 2320/0613 (2013.01); G09G 2320/0646 (2013.01);
Abstract

An image display apparatus includes: a first light modulation device that includes a plurality of display pixels and modulates light based on input first image information; an illumination unit that includes a plurality of light adjustment elements and emits adjusted light to the first light modulation device; an illumination distribution storage unit that stores an illumination range in which the light emitted from the light adjustment elements illuminates the display pixels of the first light modulation device; and a light adjustment information decision unit that decides light adjustment information to control the light adjustment elements of the illumination unit based on a feature amount of the first image information corresponding to the display pixels of the illumination range stored in the illumination distribution storage unit.


Find Patent Forward Citations

Yoshizawa, Koichi. (2018). Image display apparatus and method of controlling image display apparatus (U.S. Patent No. 9978315). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9978315

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