Light emitting device and medical device using same
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsTakeshi Abe, Shozo Oshio, Mitsuru Nitta
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Abstract
A light emitting device is a light emitting device for use in a photodynamic therapy. The light emitting device includes: a solid-state light-emitting element that emits primary light in which an energy density is 0.5 W/mm2 or more; and a wavelength converter including a first phosphor that emits first wavelength-converted light. The first wavelength-converted light has a light component across at least a whole of a wavelength range of 700 nm or more and less than 800 nm. Energy of fluorescence emitted from the wavelength converter is 100 mW or more. A medical device includes the light emitting device.
Claims7
A light emitting device, comprising:
- a solid-state light-emitting element that emits primary light in which an energy density is 0.5 W/mm2 or more;
- and
- a wavelength converter including a single phosphor, wherein the single phosphor emits first wavelength-converted light,
- wherein the single phosphor consists of a crystal structure of garnet,
- wherein the first wavelength-converted light has a light component across at least a whole of a wavelength range of 700 nm or more and less than 800 nm,
- wherein the first wavelength-converted light has a fluorescence peak within a wavelength range of 700 nm to 1000 nm,
- wherein energy of fluorescence emitted from the wavelength converter is 100 mW or more, and
- wherein the light emitting device is used for a photodynamic therapy.
Dependencies are inferred from the claim text.