White light emitting device
OwnerTajul Arosh Baroky, Bee Yin(Janet) Chuainventors
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Abstract
The invention provides light emitting devices having a phosphor layer that are useful as sources of white light, and other applications. The invention provides a light emitting device having a LED and a phosphor composition positioned to receive light from the LED. The LED is adapted to emit cyan light, and the phosphor composition is adapted to absorb cyan light from the LED and emit red light.
Claims16
A white-light emitting device comprising a cyan LED and a phosphor composition positioned to receive light from said cyan LED, wherein the phosphor composition is a conformal coating disposed on a surface of the cyan LED, the coating being between about 15 micrometers and about 150 micrometers thick, and
- wherein the phosphor composition is capable of absorbing light from said cyan LED and emitting red light.
A white-light emitting device comprising a cyan LED and a phosphor composition positioned to receive light from said cyan LED;
- wherein the phosphor composition comprises phosphor particles having a mean particle diameter in the range of about 13 to about 20 micrometers;
- and
- wherein the phosphor composition is capable of absorbing light from said cyan LED and emitting red light.
Dependencies are inferred from the claim text.