Invention Grant
- Patent Title: White light emitting device
- Patent Title (中): 白色发光装置
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Application No.: US14008564Application Date: 2012-03-30
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Publication No.: US09412905B2Publication Date: 2016-08-09
- Inventor: Kai Su , Zhaorong Weng , Wengang Bi , David Battaglia , Haoguo Zhu
- Applicant: Kai Su , Zhaorong Weng , Wengang Bi , David Battaglia , Haoguo Zhu
- Applicant Address: CN Hangzhou, Zhejiang
- Assignee: Najing Technology Corporation Limited
- Current Assignee: Najing Technology Corporation Limited
- Current Assignee Address: CN Hangzhou, Zhejiang
- Agent Lynne M. Blank, Esq.
- International Application: PCT/US2012/031655 WO 20120330
- International Announcement: WO2012/135744 WO 20121004
- Main IPC: F21V9/16
- IPC: F21V9/16 ; H01L33/26 ; H01L33/50 ; C09K11/02 ; C09K11/56 ; C09K11/88 ; F21K99/00 ; H01L25/075 ; F21Y101/02

Abstract:
The present invention relates to a light-emitting device including a light source, a first light-emitting material spaced apart from the light source, and at least one additional light-emitting material. The first light-emitting material includes low reabsorbing semiconductor nanocrystals having an emission-center core, an exterior protective shell, and at least one inner light-absorbing shell. The device is useful for efficiently producing white light having a high color rendering index.
Public/Granted literature
- US20140022779A1 WHITE LIGHT EMITTING DEVICE Public/Granted day:2014-01-23
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