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Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/044762
Kind Code:
A1
Abstract:
A light-emitting device (100) comprising a circuit pattern layer (34) provided to one face of an insulating substrate (32), and a light-emitting substrate (10) comprising a plurality of light-emitting elements (20) that are joined to the circuit pattern layer (34), wherein: the light-emitting substrate (10) comprises a phosphor layer (36) that is provided to one face side (in other words, the surface (31) side) of the insulating substrate (32) and that includes a phosphor whose emission peak wavelength when the emitted light of at least one of the light-emitting elements (20) is used as excitation light is in the visible light region; the plurality of light-emitting elements (20) comprise a plurality of serial bodies to which the plurality of light-emitting elements (20) are serially connected, and are disposed in parallel from a substrate face inner side to a substrate face outer side when a substrate face of the light-emitting substrate (10) is viewed from above; and the anode sides of the plurality of serial bodies are disposed on the same side, which is one among the substrate face inner side and the substrate face outer side.

Inventors:
KONISHI MASAHIRO (JP)
Application Number:
PCT/JP2021/029137
Publication Date:
March 03, 2022
Filing Date:
August 05, 2021
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
H01L33/00; F21S2/00; F21V9/38; F21V19/00; F21V23/00; F21V29/503; F21V29/508; F21V29/67; F21V29/76; H01L33/50; H01L33/62; H01L33/64
Foreign References:
CN204901678U2015-12-23
JP2014143307A2014-08-07
JP2012119281A2012-06-21
JP2017085096A2017-05-18
JP2004319595A2004-11-11
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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