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 8419194 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 16, 2013

Filed:

Jul. 11, 2012
Applicants:

Lorne A. Whitehead, Vancouver, CA;

Gregory John Ward, Berkeley, CA (US);

Wolfgang Stuerzlinger, Toronto, CA;

Helge Seetzen, Vancouver, CA;

Inventors:

Lorne A. Whitehead, Vancouver, CA;

Gregory John Ward, Berkeley, CA (US);

Wolfgang Stuerzlinger, Toronto, CA;

Helge Seetzen, Vancouver, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A locally dimmed display has a spatial light modulator illuminated by a light source. The spatial light modulator is illuminated with a low resolution version of a desired image. The illumination may comprise a series of lighting elements that vary smoothly from one element to another at the spatial light modulator.


Find Patent Forward Citations

Whitehead, Lorne. (2013). Locally dimmed display (U.S. Patent No. 8419194). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8419194

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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