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Title: Light collection optics for measuring flux and spectrum from light-emitting devices

Abstract

Systems and methods for accurately measuring the luminous flux and color (spectra) from light-emitting devices are disclosed. An integrating sphere may be utilized to directly receive a first portion of light emitted by a light-emitting device through an opening defined on the integrating sphere. A light collector may be utilized to collect a second portion of light emitted by the light-emitting device and direct the second portion of light into the integrating sphere through the opening defined on the integrating sphere. A spectrometer may be utilized to measure at least one property of the first portion and the second portion of light received by the integrating sphere.

Inventors:
; ;
Publication Date:
Research Org.:
KLA-Tencor Corporation, Milpitas, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1254166
Patent Number(s):
9,347,824
Application Number:
14/527,034
Assignee:
KLA-Tencor Corporation (Milpitas, CA) DOEEE
DOE Contract Number:  
EE0005877
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Oct 29
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

McCord, Mark A., DiRegolo, Joseph A., and Gluszczak, Michael R. Light collection optics for measuring flux and spectrum from light-emitting devices. United States: N. p., 2016. Web.
McCord, Mark A., DiRegolo, Joseph A., & Gluszczak, Michael R. Light collection optics for measuring flux and spectrum from light-emitting devices. United States.
McCord, Mark A., DiRegolo, Joseph A., and Gluszczak, Michael R. Tue . "Light collection optics for measuring flux and spectrum from light-emitting devices". United States. https://www.osti.gov/servlets/purl/1254166.
@article{osti_1254166,
title = {Light collection optics for measuring flux and spectrum from light-emitting devices},
author = {McCord, Mark A. and DiRegolo, Joseph A. and Gluszczak, Michael R.},
abstractNote = {Systems and methods for accurately measuring the luminous flux and color (spectra) from light-emitting devices are disclosed. An integrating sphere may be utilized to directly receive a first portion of light emitted by a light-emitting device through an opening defined on the integrating sphere. A light collector may be utilized to collect a second portion of light emitted by the light-emitting device and direct the second portion of light into the integrating sphere through the opening defined on the integrating sphere. A spectrometer may be utilized to measure at least one property of the first portion and the second portion of light received by the integrating sphere.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {5}
}

Patent:

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