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 7614778 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 10, 2009

Filed:

Dec. 07, 2006
Applicant:

Byeong Hyeon Ahn, Gumi-si, KR;

Inventor:

Byeong Hyeon Ahn, Gumi-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid crystal display device, backlight unit, and method of driving a backlight unit are provided. The backlight includes a lamp and an inverter that is operative to supply a driving voltage to the lamp. An illuminance correction system is operative to sense a surrounding luminance of the lamp and to illuminate a predetermined amount of light.


Find Patent Forward Citations

Ahn, Byeong. (2009). Backlight unit and driving method thereof, and liquid crystal display device having the backlight unit (U.S. Patent No. 7614778). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7614778

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

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