Back to results
US 8,274,209 B2Granted
Light emitting device having semiconductor laser and fluorescent material and method for manufacturing the same
AssigneesHarison Toshiba Lighting Corp., Kabushiki Kaisha Toshiba
InventorNaoki Wada
Life of this patent
Estimating the term…
Abstract
A light emitting device, includes: a casing; a window; a semiconductor laser provided in an enclosed space formed by the casing and the window; and a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space, the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and the secondary light being taken out through the window.
Claims4
A light emitting device, comprising:
- a casing;
- a window including a nonreflective layer;
- a semiconductor laser provided in an enclosed space formed by the casing and the window;
- and
- a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space,
- the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and
- the secondary light being taken out through the window.
4 more elements
Dependencies are inferred from the claim text.