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:
Jul. 21, 2015
Filed:
Apr. 27, 2012
Hyo Jin Lee, Seoul, KR;
Jeong Hee Kim, Gyeonggi-do, KR;
IL Woo Park, Gyeonggi-do, KR;
Chang Hoon Kwak, Gyeonggi-do, KR;
Kyung Seo, Gyeonggi-do, KR;
Hyo Jin Lee, Seoul, KR;
Jeong Hee Kim, Gyeonggi-do, KR;
Il Woo Park, Gyeonggi-do, KR;
Chang Hoon Kwak, Gyeonggi-do, KR;
Kyung Seo, Gyeonggi-do, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, Gyeonggi-Do, KR;
Abstract
There is provided a white light emitting device including: a blue LED emitting blue light; a red phosphor excited by the blue light, emitting red light, and including a nitrogen (N)-containing compound; a yellow phosphor excited by the blue light and emitting yellow light; a first green phosphor excited by the blue light, emitting first green light having a first full width half maximum, and including a nitrogen (N)-containing compound; and a second green phosphor excited by the blue light and emitting second green light having a second full width half maximum larger than the first full width half maximum of the first green phosphor.