Solid State Lighting Device

摘要

According to one embodiment, a solid state lighting device includes an irradiating section configured to emit laser light, a scattering section, and a wavelength conversion section. The scattering section has a principal plane provided to cross an optical axis of the laser light and includes a light scattering material that reflects the laser light made incident thereon and emits the laser light as scattered light. The wavelength conversion section absorbs the scattered light made incident from a first surface and emits wavelength-converted light having a wavelength larger than the wavelength of the laser light from a second surface on a side opposite to the first surface. The scattered light passes through the wavelength conversion section while being scattered and is emitted from the second surface.

主权项

1. A solid state lighting device comprising:
an irradiating section configured to emit laser light; a scattering section having a principal plane provided to cross an optical axis of the laser light and including a light scattering material that reflects the laser light made incident thereon and emits the laser light as scattered light; and a wavelength conversion section configured to absorb the scattered light made incident through a first surface and emit wavelength-converted light having a wavelength longer than a wavelength of the laser light from a second surface on a side opposite to the first surface, the scattered light passing through the wavelength conversion section while being scattered and being emitted from the second surface.