The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2014
Filed:
Feb. 13, 2006
Steven P. Denbaars, Goleta, CA (US);
Eric J. Tarsa, Goleta, CA (US);
Michael Mack, Santa Barbara, CA (US);
Bernd Keller, Goleta, CA (US);
Brian Thibeault, Santa Barbara, CA (US);
Adam W. Saxler, Durham, NC (US);
Steven P. DenBaars, Goleta, CA (US);
Eric J. Tarsa, Goleta, CA (US);
Michael Mack, Santa Barbara, CA (US);
Bernd Keller, Goleta, CA (US);
Brian Thibeault, Santa Barbara, CA (US);
Adam W. Saxler, Durham, NC (US);
Cree, Inc., Goleta, CA (US);
Abstract
A solid state light emitting device comprising an emitter structure having an active region of semiconductor material and a pair of oppositely doped layers of semiconductor material on opposite sides of the active region. The active region emits light at a predetermined wavelength in response to an electrical bias across the doped layers. An absorption layer of semiconductor material is included that is integral to said emitter structure and doped with at least one rare earth or transition element. The absorption layer absorbs at least some of the light emitted from the active region and re-emits at least one different wavelength of light. A substrate is included with the emitter structure and absorption layer disposed on the substrate.