LIGHT EMITTING DEVICE Russian patent published in 2018 - IPC G02B6/00 

FIELD: lighting.

SUBSTANCE: invention relates to a light emitting device comprising a light source configured able to emit light with the first spectral distribution during the operation and a light guide configured able to convert the light with the first spectral distribution into light with the second spectral distribution. Inventive light emitting device comprises at least one first light source configured able to emit, during the operation, a first light with the first spectral distribution, at least one second light source configured able to emit, during the operation, a second light with the second spectral distribution, a light guide comprising at least one first light entrance surface, at least one second light entrance surface and a first light exit surface, wherein the said at least one first light entrance surface and the first light exit surface extend with respect to each other at a non-zero angle, and a luminescent element disposed adjacent to the first light exit surface. Herewith the light guide is adapted to convert at least part of the first light with the first spectral distribution into a third light with the third spectral distribution, to direct the second light and to output at least part of the third light and at least part of the second light from the first light exit surface. Luminescent element is adapted to convert at least part of the second light into a fourth light with the fourth spectral distribution.

EFFECT: providing efficient and complete mixing of light of different colors, by means of which white light of high quality can be obtained with a low optical factor.

15 cl, 14 dwg, 1 tbl