Title:
LIGHT-EMITTING ELEMENT AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/110031
Kind Code:
A1
Abstract:
A light-emitting element (4) is provided with the following: a phosphor layer (45) including at least one type of phosphor (phosphor particles (451)); a substrate (41) which has a higher thermal conductivity than the phosphor layer (45), and on one primary surface (411) of which the phosphor layer (45) is disposed; and a junction portion (42) that is interposed between the phosphor layer (45) and the substrate (41) and forms a metallic junction between the phosphor layer (45) and the substrate (41). Between the junction portion (42) and the phosphor layer (45), the following are interposed: a light-transmissive adhesion layer (44) laminated on a primary surface (452) of the phosphor layer (45) facing the substrate (41); and a reflective layer (43) laminated on a primary surface (441) of the adhesion layer (44) facing the substrate (41).
Inventors:
AKETA TAKANORI
MIYAGAWA NOBUYUKI
KAMI HIRONORI
SAITO MAKOTO
SATO TOSHIHIKO
MIYAGAWA NOBUYUKI
KAMI HIRONORI
SAITO MAKOTO
SATO TOSHIHIKO
Application Number:
PCT/JP2016/004853
Publication Date:
June 29, 2017
Filing Date:
November 10, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21K9/64; F21S2/00; F21V9/16; F21Y115/30
Domestic Patent References:
| WO2012026206A1 | 2012-03-01 | |||
| WO2014123145A1 | 2014-08-14 | |||
| WO2014174618A1 | 2014-10-30 |
Foreign References:
| JP2014116081A | 2014-06-26 | |||
| JP2012243624A | 2012-12-10 | |||
| JP2015087423A | 2015-05-07 |
Other References:
See also references of EP 3396232A4
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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