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Composite materials having red emitting phosphors

Patent ·
OSTI ID:1498725
; ; ;
A lighting apparatus includes an LED light source radiationally coupled to a composite material including a phosphor of formula I and a thermally conductive material dispersed in at least a portion of a binder material. The thermally conductive material includes a material selected from the group consisting of indium oxide, tin oxide, indium tin oxide, calcium oxide, barium oxide, strontium oxide, aluminum hydroxide, magnesium hydroxide, calcium hydroxide, barium hydroxide, strontium hydroxide, zinc hydroxide, aluminum phosphate, magnesium phosphate, calcium phosphate, barium phosphate, strontium phosphate, diamond, graphene, polyethylene nanofibers, carbon nanotubes, silver metal nanoparticles, copper metal nanoparticles, gold metal nanoparticles, aluminum metal nanoparticles, boron nitride, silicon nitride, an alkali metal halide, calcium fluoride, magnesium fluoride, a compound of formula II, and combinations thereof.
Research Organization:
General Electric Co., Schenectady, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0003251
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
10,193,030
Application Number:
15/231,026
OSTI ID:
1498725
Country of Publication:
United States
Language:
English

References (5)

Effective Heat Dissipation from Color-Converting Plates in High-Power White Light Emitting Diodes by Transparent Graphene Wrapping journal December 2015
Thermal properties of graphene and nanostructured carbon materials journal August 2011
New design of hybrid remote phosphor with single-layer graphene for application in high-power LEDs journal March 2016
Thermal Properties of Graphene: Applications in Thermal Interface Materials conference January 2011
Polyethylene nanofibres with very high thermal conductivities journal March 2010

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