Light emitting device utilizing remote wavelength conversion with improved color characteristics

US8998433B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8998433-B2
Application numberUS-201113273208-A
CountryUS
Kind codeB2
Filing dateOct 13, 2011
Priority dateMar 8, 2006
Publication dateApr 7, 2015
Grant dateApr 7, 2015

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Abstract

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A light emitting device includes a radiation source operable to generate and radiate excitation energy, the source being configured to irradiate a wavelength conversion component with excitation energy and the wavelength conversion component comprising a layer of photo-luminescent material configured to emit radiation of a selected color when irradiated by the radiation source and a color enhancement filter layer configured to filter undesirable wavelengths of an emission product of the layer of photo-luminescent material to establish a final emission product for the light emitting device.

First claim

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What is claimed is: 1. A light emitting device configured to emit light of a selected color having a selected peak wavelength, comprising: a radiation source operable to generate and radiate excitation energy, the source being configured to irradiate a wavelength conversion component with excitation energy; the wavelength conversion component comprising: a layer comprising a photo-luminescent material which, when irradiated by the radiation source, emits light of a first wavele…

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What does patent US8998433B2 cover?
A light emitting device includes a radiation source operable to generate and radiate excitation energy, the source being configured to irradiate a wavelength conversion component with excitation energy and the wavelength conversion component comprising a layer of photo-luminescent material configured to emit radiation of a selected color when irradiated by the radiation source and a color enhan…
Who is the assignee on this patent?
Li Yi-Qun, Dong Yi, Caruso James, and 2 more
What technology area does this patent fall under?
Primary CPC classification G09F13/22. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).