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. 10, 2014
Filed:
Dec. 21, 2012
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jong Rak Sohn, Hwaseong-si, KR;
Seul Gee Lee, Gyeonggi-do, KR;
Chul Soo Yoon, Gyeonggi-do, KR;
Chang Bun Yoon, Gyeonggi-do, KR;
Min Jung Park, Gyeonggi-do, KR;
Sang Hoon Ahn, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Abstract
A method of manufacturing a white light emitting device includes dividing a phosphor sheet into phosphor film units to be applied to individual light emitting diode (LED) devices, measuring light conversion characteristics of the respective phosphor film units, classifying the phosphor film units of the phosphor sheet into a plurality of groups according to measurement results of the light conversion characteristics and combining the phosphor film units classified into the plurality of groups and an LED device having predetermined light characteristics so as to obtain target color characteristics.