Photon extraction from nitride ultraviolet light-emitting devices

Schowalter, Leo J; Chen, Jianfeng; Grandusky, James R

Title: Photon extraction from nitride ultraviolet light-emitting devices

Patent · Tue Feb 24 00:00:00 EST 2015

OSTI ID:1171104

Schowalter, Leo J; Chen, Jianfeng; Grandusky, James R

In various embodiments, a rigid lens is attached to a light-emitting semiconductor die via a layer of encapsulant having a thickness insufficient to prevent propagation of thermal expansion mismatch-induced strain between the rigid lens and the semiconductor die.

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Research Organization:: Crystal IS, Inc., Green Island, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: W911NF-09-2-0068

Assignee:: Crystal IS, Inc. (Green Island, NY)

Patent Number(s):: 8,962,359

Application Number:: 13/553,093

OSTI ID:: 1171104

Resource Relation:: Patent File Date: 2012 Jul 19

Country of Publication:: United States

Language:: English

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