JP2011129376A5 - - Google Patents

Claims (8)

An excitation light source that emits excitation light;
A light emitting unit that emits light in response to excitation light emitted from the excitation light source;
A reflecting mirror that forms a light bundle that travels within a predetermined solid angle by reflecting the light emitted by the light emitting unit;
A plurality of the excitation light sources are provided, and the output of the excitation light is increased by summing the outputs of the plurality of excitation light sources,
An area of a projected image when the light emitting unit is projected onto a plane perpendicular to the optical axis of the reflecting mirror is 100 μm ² or more and 3 mm ² or less. It condenses the excitation light from above SL plurality of excitation light sources further comprising a light guide portion for guiding to the light emitting portion,
The light-emitting device according to claim 1, wherein the plurality of excitation light sources are arranged with respect to one light guide unit.   The light guide unit includes an incident end that receives excitation light from the plurality of excitation light sources, and an emission end that emits excitation light received at the incident end to the light emitting unit. The light emitting device according to claim 2. 4. The light emitting device according to claim 1, wherein the total light output of the plurality of excitation light sources is 6 W or more and 30 W or less. Vehicle headlamp, characterized in that it comprises a light-emitting device according to any one of claims 1-4. Projector, characterized in that it comprises a light-emitting device according to any one of claims 1-4. Lighting apparatus comprising: a light-emitting device according to any one of claims 1-4. An excitation light source that emits excitation light;
A light emitting unit that emits light in response to excitation light emitted from the excitation light source;
A reflecting mirror that forms a light bundle that travels within a predetermined solid angle by reflecting the light emitted by the light emitting unit;
The radiant flux of excitation light emitted from the excitation light source and applied to the light emitting unit is 3 W or more and 30 W or less,
The area of the projected image when the light emitting unit is projected onto a plane perpendicular to the optical axis of the reflecting mirror is as follows:
100 μm ² or more and 3 mm ² or less.