High brightness LED package with compound optical element(s)

Details High brightness LED package with compound optical element(s) High brightness LED package with compound optical element(s)

2007-12-04

2007-12-04

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S512000, C313S110000, C313S112000, C313S113000, C385S123000, C385S124000, C362S555000, C362S800000, C257S098000, C257S100000

Reexamination Certificate

active

10977225

ABSTRACT:
A light source includes an LED die with an emitting surface and a collimating optical element. The optical element includes an input surface in optical contact with the LED emitting surface, and an output surface. The optical element has a first portion that comprises the input surface, made of a first optical material, and a second portion that comprises the output surface, made of a second optical material. The first optical material, which may include sapphire, diamond, or silicon carbide, has a higher refractive index, thermal conductivity, or both relative to the second optical material.

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