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:
Jun. 12, 2012
Filed:
Jul. 02, 2009
Sang-chul Byun, Anyang-si, KR;
Gi-cherl Kim, Yongin-si, KR;
Byung-choon Yang, Seoul, KR;
Byoung-dae YE, Yongin-si, KR;
Sang-Chul Byun, Anyang-si, KR;
Gi-Cherl Kim, Yongin-si, KR;
Byung-Choon Yang, Seoul, KR;
Byoung-Dae Ye, Yongin-si, KR;
Abstract
A light source driving apparatus includes; a boosting part which boosts an input voltage received from an input part and generates a driving voltage, a boosting transistor which controls an operation of the boosting part, a rectification part connected between the boosting part and an output part and which transmits the driving voltage to the output part, an integrated circuit which generates a gate signal which controls the boosting transistor, and a protection circuit which generates a protection signal which controls a voltage level of the gate signal according to an output current of the boosting transistor.