Title:
LAMP
Document Type and Number:
WIPO Patent Application WO/2023/276775
Kind Code:
A1
Abstract:
This light-emitting device (100) comprises a phosphor substrate (30) where a phosphor layer (36) is provided on the substrate surface, first light emitting units (20A) which are provided on the phosphor substrate (30) and which output light with the peak wavelength in the visible wavelength range, second light emitting units (20B) which are provided on the phosphor substrate (30) and which output light with the peak wavelength in the range 315nm-470nm (i.e., near-ultraviolet rays), a photocatalyst unit (160) which includes a substance (a photocatalyst) that undergoes a photocatalytic reaction with light from the second light emitting unit (20B), and a cover member (110) (lamp cover) which covers the phosphor substrate (30), the phosphor layer (36) is provided separated from the first light emitting unit (20A) and the second light emitting unit (20B).
Inventors:
KONISHI MASAHIRO (JP)
Application Number:
PCT/JP2022/024667
Publication Date:
January 05, 2023
Filing Date:
June 21, 2022
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
F21V33/00; F21K9/00; F21K9/233; F21K9/66; F21V29/67; H01L33/50; H05K1/02; F21Y115/10
Foreign References:
| JP2020107708A | 2020-07-09 | |||
| JP2015176967A | 2015-10-05 | |||
| JP2012064471A | 2012-03-29 | |||
| JP2017033795A | 2017-02-09 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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