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:
Apr. 01, 2014

Filed:

Mar. 05, 2013
Applicant:

Chihao Xu, Saarbruecken, DE;

Inventors:

Marc Albrecht, San Francisco, CA (US);

Chihao Xu, Saarbruecken, DE;

Andreas Karrenbauer, St. Wendel, DE;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method, apparatus, and system for displaying an image on a liquid crystal display (LCD). The method, apparatus, and system can include condensing a plurality of pixel gray values to a concentrated pixel, the concentrated pixel assigned to a geometric position on a display and described by at least one of a plurality of parameters and gray value; forming the concentrated pixels to a condensed image; resolving a light spread function of a first LED in substantially the same resolution as the condensed image; calculating a backlight needed based on the condensed image; and optimizing a value of a plurality of LEDs by considering the contribution of the plurality of LEDs on the concentrated pixel, wherein light spread functions of the LEDs are used.


Find Patent Forward Citations

Albrecht, Marc. (2014). Method, system and apparatus for power saving backlight (U.S. Patent No. 8687028). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8687028

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