Light source including quantum dot material and apparatus including same
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United States of America Patent
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Issued Date -
Nov 15, 2007
app pub date -
May 15, 2006
filing date -
May 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light source comprising a light emitting device and quantum dot material is disclosed. According to various embodiments, the quantum dot material is positioned relative to the light emitting device such that the quantum dot material absorbs light emitted from the light emitting device and converts the wavelengths of photons emitted from the light emitting device to longer wavelengths. Judicious selection of the quantum dot material allows the emission spectra of the light source to be tailored to meet the needs of a particular illumination application, and avoids the drawbacks associated with the use of interference filters because the quantum dot material can upconvert the wavelengths emitted from the light emitting device such that the emission spectra of the light source can include wavelengths that are not emitted by the light emitting device itself.
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