Title:
COLOR CONVERSION ELEMENT AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/003787
Kind Code:
A1
Abstract:
A color conversion element (4) is provided with a substrate (41) and a color conversion part (43) disposed on the substrate (41), the color conversion part (43) being provided with a first fluorescent part (44) disposed on the principal surface of the substrate (41), and second fluorescent parts (46) divided at a predetermined interval along the substrate (41) inside the first fluorescent part (44), the first fluorescent part (44) being provided with a first inorganic material (442) including at least a first phosphor (first phosphor particles (441)) for converting light having a predetermined wavelength into light having another wavelength, and the second fluorescent parts (46) including a plurality of second phosphors (second phosphor particles (461)) for converting light having a predetermined wavelength into light having a longer wavelength than the resultant light from the first phosphor.
Inventors:
AKETA TAKANORI
HONDA YOSUKE
HIRANO TORU
ISHIMARU MASASHI
HONDA YOSUKE
HIRANO TORU
ISHIMARU MASASHI
Application Number:
PCT/JP2019/019375
Publication Date:
January 02, 2020
Filing Date:
May 15, 2019
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B5/20; F21V7/30; F21V9/38; H01L33/50; F21Y115/30
Foreign References:
| JP2012114040A | 2012-06-14 | |||
| JP2013168602A | 2013-08-29 | |||
| JP2017198983A | 2017-11-02 | |||
| JP2012527742A | 2012-11-08 | |||
| JP2010192761A | 2010-09-02 | |||
| JP2005244075A | 2005-09-08 | |||
| US20120267657A1 | 2012-10-25 | |||
| KR20170003318A | 2017-01-09 | |||
| JP2019066755A | 2019-04-25 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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