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:
Aug. 26, 2014
Filed:
Oct. 17, 2013
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jin Sung Kim, Seoul, KR;
Kyu Cheol Kang, Suwon-si, KR;
Jin Woo Bae, Seoul, KR;
Choul Ho Lee, Suwon-si, KR;
Jong Yang Choo, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, Seoul, KR;
Abstract
A method of manufacturing a power supply unit (PSU) is provided. The method includes providing at least one PSU supplying a dimming signal to at least one light source, performing a first test for electrical characteristics of the at least one PSU, detecting light emitted from the at least one light source, measuring a flicker of the at least one light source, and performing a second test for a state of the at least one PSU based on a flicker measurement result, and packing a PSU determined to be in a normal state among the at least one PSU, as a result of the first test and the second test.