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US 2019/0097093 A1Published application
Light-emitting device
AssigneeToyoda Gosei Co., Ltd.
InventorSatomi SEKI
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Abstract
A light-emitting device includes a light-emitting element that emits light with a peak wavelength in a range of 380 nm to 460 nm, and a phosphor group that includes plural kinds of phosphors excited by the light emitted from the light-emitting element and has a continuous emission spectrum in a wavelength range of 400 nm to 780 nm. The phosphor group includes a phosphor having a peak wavelength in a range of 720 nm±5%.
Claims8
A light-emitting device, comprising:
- a light-emitting element that emits light with a peak wavelength in a range of 380 nm to 460 nm;
- and
- a phosphor group that comprises a plurality of kinds of phosphors excited by the light emitted from the light-emitting element and has a continuous emission spectrum in a wavelength range of 400 nm to 780 nm,
- wherein the phosphor group comprises a phosphor having a peak wavelength in a range of 720 nm±5%.
1 more element
Dependencies are inferred from the claim text.