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.:
Date of Patent:
Apr. 27, 2010
Filed:
Dec. 19, 2007
Applicants:
Jung Kyu Park, Seoul, KR;
Seong Ah Joo, Suwon, KR;
Hun Joo Hahm, Seongnam, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd., Gyunggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/32 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a backlight unit including one or more white light emitting diodes (LEDs) for generating light; an LED module having a printed circuit board (PCB), the LED module supporting and driving the white LED; a sensor for detecting the color temperature of the white LED; a heat generating element connected to the LED module; and a controller for controlling the sensor, the LED module, and the heat generating element.