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 8842065 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 23, 2014

Filed:

May. 29, 2009
Applicant:

Jin Taek Choi, Paju-si, KR;

Inventor:

Jin Taek Choi, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 2360/16 (2013.01); G09G 2320/064 (2013.01);
Abstract

An LCD device of an edge type is disclosed. The LCD device analyzes brightness of an input image in blocks using an algorithm and generates lamp drive signals corresponding to the analyzed block brightnesses. Also, the LCD device applied the lamp drive signals to a plurality of light sources. As such, the LCD device with the edge type backlight unit can be divisionally driven in blocks.


Find Patent Forward Citations

Choi, Jin. (2014). Liquid crystal display device capable of being divisionally driven using a backlight unit (U.S. Patent No. 8842065). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8842065

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

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