Invention Grant
- Patent Title: White light emitting device, display apparatus and illumination apparatus
- Patent Title (中): 白色发光装置,显示装置和照明装置
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Application No.: US13458614Application Date: 2012-04-27
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Publication No.: US09087968B2Publication Date: 2015-07-21
- Inventor: Hyo Jin Lee , Jeong Hee Kim , Il Woo Park , Chang Hoon Kwak , Kyung Seo
- Applicant: Hyo Jin Lee , Jeong Hee Kim , Il Woo Park , Chang Hoon Kwak , Kyung Seo
- Applicant Address: KR Suwon-Si, Gyeonggi-Do
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-Si, Gyeonggi-Do
- Agency: McDermott Will & Emery LLP
- Priority: KR10-2011-0040478 20110429
- Main IPC: H05B37/00
- IPC: H05B37/00 ; H01L33/50 ; H01L33/00 ; C09K11/08 ; C09K11/77 ; H05B33/14

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.
Public/Granted literature
- US20120274240A1 WHITE LIGHT EMITTING DEVICE, DISPLAY APPARATUS AND ILLUMINATION APPARATUS Public/Granted day:2012-11-01
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