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:
Sep. 01, 2015
Filed:
Apr. 24, 2013
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventor:
Bong Jin Lee, Hwaseong, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/52 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0809 (2013.01); H05B 33/0887 (2013.01); H05B 33/0815 (2013.01);
Abstract
Provided are a light source driving apparatus, a light source device including the same, and a light source driving method. The light source driving apparatus includes: a first external input terminal and a second external input terminal; a thermistor with an end connected to the first external input terminal; a discharge resistor with an end connected to the second external input terminal; and a switch which selectively connects, according to a control signal, another end of the discharge resistor to another end of the thermistor or the first external input terminal to the other end of the thermistor.