Patent ID: 9349924
Filing Date: 2016-05-24
CPC Classification: F21K,F21V,F21Y,H01L

Claim Text:
1. An illumination device comprising: a light source, arranged to generate light source light, comprising: a light emitting device (LED), arranged to generate LED light; a carrier comprising a first luminescent material, wherein the carrier is in contact with the LED, and wherein the first luminescent material is arranged to convert at least part of the LED light into first luminescent material light; wherein the first luminescent material is a low light scattering material and wherein the first luminescent material provides a relative high heat conduction to the LED; a transmissive arrangement of a second luminescent material, arranged remote from the light source and the carrier such that an air gap is formed between the carrier and the transmissive arrangement, the transmissive arrangement arranged to convert at least part of the LED light or at least part of the first luminescent material light, or at least part of the LED light and at least part of the first luminescent material light into second luminescent material light; wherein the second luminescent material is a high light scattering material.