Invention Grant
US09530944B2 High color-saturation lighting devices with enhanced long wavelength illumination
有权
具有增强的长波长照明的高色彩饱和照明装置
- Patent Title: High color-saturation lighting devices with enhanced long wavelength illumination
- Patent Title (中): 具有增强的长波长照明的高色彩饱和照明装置
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Application No.: US14702564Application Date: 2015-05-01
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Publication No.: US09530944B2Publication Date: 2016-12-27
- Inventor: Benjamin A. Jacobson , Michael Leung , Antony Paul van de Ven
- Applicant: Cree, Inc.
- Applicant Address: US NC Durham
- Assignee: Cree, Inc.
- Current Assignee: Cree, Inc.
- Current Assignee Address: US NC Durham
- Agency: Withrow + Terranova, P.L.L.C.
- Agent Vincent K. Gustafson
- Main IPC: F21V9/16
- IPC: F21V9/16 ; H01L33/50 ; H01L25/075

Abstract:
A lighting device including a blue solid state emitter, at least one yellow-green or green lumiphoric material, and at least one red or red-orange solid state emitter provides high color saturation, preferably in combination with a high R9-prime (modified R9) color rendering value, with such condition(s) being obtainable with at least one of (i) a red emitter peak wavelength of at least 630 nm, (ii) a green lumiphoric material having a narrow peak wavelength, and (iii) a blue shifted green color point within a specified region of a 1931 CIE chromaticity diagram, and obtainable without requiring a notch filtering material. Aggregate emissions may have a CCT in a range of from 2000K to 5000K.
Public/Granted literature
- US20160218254A1 HIGH COLOR-SATURATION LIGHTING DEVICES WITH ENHANCED LONG WAVELENGTH ILLUMINATION Public/Granted day:2016-07-28
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