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:
Oct. 29, 2013
Filed:
Mar. 22, 2011
Jeong-il Kang, Yongin-si, KR;
Gil-yong Chang, Suwon-si, KR;
Young-deok Choi, Seoul, KR;
Hyo-soon Choi, Suwon-si, KR;
Jeong-il Kang, Yongin-si, KR;
Gil-yong Chang, Suwon-si, KR;
Young-deok Choi, Seoul, KR;
Hyo-soon Choi, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A luminescence driving apparatus, a display apparatus, and a driving method thereof are provided. The luminescence driving apparatus drives a plurality of light-emitting units and includes: a voltage sensor which senses internal voltages of the plurality of light-emitting units; a current sensor which senses internal currents of the plurality of light-emitting units; a sensing signal generator which receives the internal voltages of the plurality of light-emitting units from the voltage sensor to generate an overvoltage sensing signal; a controller which, if it is determined that an overvoltage state has occurred, according to a level of the overvoltage sensing signal, searches for at least one of the plurality of light-emitting units in which the overvoltage state has occurred, according to levels of the internal currents sensed by the current sensor; and a protector which performs an overvoltage protection (OVP) operation with respect to the searched light-emitting unit.