Patent ID: 9335017
Filing Date: 2016-05-10
CPC Classification: F21S,F21W,G02B

Claim Text:
1. A light emitting device for use in a vehicle light, the light emitting device comprising: an excitation light source configured to generate excitation light; a wavelength conversion member configured to absorb the excitation light and convert a wavelength of the excitation light to emit light in a predetermined wavelength region; and a first optical system configured to direct the excitation light from the excitation light source to the wavelength conversion member, wherein the wavelength conversion member includes at least a first surface, a second surface facing the first surface, and a peripheral end surface located between the first surface and the second surface, the first optical system is configured to direct the excitation light from the excitation light source to the first surface, at least part of the second surface is covered by a first light blocking structure; and a third reflection structure is configured to reflect light emitted from the peripheral end surface and is located around the first surface.