Rare earth optical elements for LED lamp
First Claim
1. A composition comprising a polymer matrix comprising at least one rare-earth element (REE) compound, at least an amount of the REE compound present in an amorphous or non-crystalline form, or present substantially without hydrate forms, the at least one REE compound has a melting point less than a decomposition temperature or a cure temperature of the polymer matrix.
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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.
81 Citations
28 Claims
- 1. A composition comprising a polymer matrix comprising at least one rare-earth element (REE) compound, at least an amount of the REE compound present in an amorphous or non-crystalline form, or present substantially without hydrate forms, the at least one REE compound has a melting point less than a decomposition temperature or a cure temperature of the polymer matrix.
Specification