Recipient luminophoric mediums having narrow spectrum luminescent materials and related semiconductor light emitting devices and methods

LeToquin, Ronan P; Tong, Tao; Glass, Robert C

Title: Recipient luminophoric mediums having narrow spectrum luminescent materials and related semiconductor light emitting devices and methods

Patent · Tue Dec 30 00:00:00 EST 2014

OSTI ID:1166752

LeToquin, Ronan P; Tong, Tao; Glass, Robert C

Light emitting devices include a light emitting diode ("LED") and a recipient luminophoric medium that is configured to down-convert at least some of the light emitted by the LED. In some embodiments, the recipient luminophoric medium includes a first broad-spectrum luminescent material and a narrow-spectrum luminescent material. The broad-spectrum luminescent material may down-convert radiation emitted by the LED to radiation having a peak wavelength in the red color range. The narrow-spectrum luminescent material may also down-convert radiation emitted by the LED into the cyan, green or red color range.

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Research Organization:: Cree, Inc., Durham, NC (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-08NT01577

Assignee:: Cree, Inc. (Durham, NC)

Patent Number(s):: 8,921,875

Application Number:: 13/104,238

OSTI ID:: 1166752

Resource Relation:: Patent File Date: 2011 May 10

Country of Publication:: United States

Language:: English

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Cited By (3)

Systems for providing tunable white light with high color rendering Petluri, Raghuram L. V.; Pickard, Paul Kenneth https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9609715 US Patent Document 9,609,715	patent	March 2017
Systems for providing tunable white light with high color rendering Petluri, Raghuram L. V.; Pickard, Paul Kenneth https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9526143 US Patent Document 9,526,143	patent	December 2016
Phosphor and light emitting device package including the same Kim, Tae Hun; Lee, Ji-Na; Han, Mi Jung https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9252340 US Patent Document 9,252,340	patent	February 2016

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