Invention Grant
- Patent Title: Rare earth optical elements for LED lamp
- Patent Title (中): LED灯用稀土光学元件
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Application No.: US13837379Application Date: 2013-03-15
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Publication No.: US09243777B2Publication Date: 2016-01-26
- Inventor: Matthew Donofrio , Gerald Negley , Shaow B. Lin
- Applicant: CREE, INC.
- Applicant Address: US NC Durham
- Assignee: Cree, Inc.
- Current Assignee: Cree, Inc.
- Current Assignee Address: US NC Durham
- Agency: Moore & Van Allen PLLC
- Agent Christopher J. Knors
- Main IPC: C09K11/06
- IPC: C09K11/06 ; F21V9/08 ; G02B1/04
Abstract:
The present disclosure relates to optical elements and coatings comprising rare-earth element (REE) compounds for light wavelength attenuation of light emitting diode (LED) elements and lamps. More particularly, the present disclosure relates to LED elements and lamps comprising wavelength attenuating elements comprising REE compounds having at least a portion of non-crystalline, non-hydrate form, methods of preparing such elements, and LED elements, LED arrays, LED packages, optical elements, lamps and systems made with same.
Public/Granted literature
- US20140268794A1 RARE EARTH OPTICAL ELEMENTS FOR LED LAMP Public/Granted day:2014-09-18
Information query
