Title:
WAVELENGTH CONVERSION FILM, LIGHT-EMITTING MEMBER, AUTHENTICATION DEVICE, WRISTBAND TYPE ELECTRONIC APPARATUS AND BIOMETRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/149368
Kind Code:
A1
Abstract:
The wavelength conversion film according to the present invention comprises at least two kinds of dyes, absorbs irradiated light and then emits light having a longer wavelength than the irradiated light, said wavelength conversion film comprising a first dye that has an absorption maximum wavelength in the red light region and a second dye that absorbs the energy of the first dye and emits light in the near-infrared region.
Inventors:
WATANABE MIO (JP)
TABATA KENICHI (JP)
NAKABAYASHI RYO (JP)
MIYATA YASUO (JP)
TABATA KENICHI (JP)
NAKABAYASHI RYO (JP)
MIYATA YASUO (JP)
Application Number:
PCT/JP2020/001313
Publication Date:
July 23, 2020
Filing Date:
January 16, 2020
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
C09K11/06; C09B57/00; C09B67/22; G02B5/20; H01L51/50; H05B33/12
Domestic Patent References:
| WO2018008721A1 | 2018-01-11 | |||
| WO2012008325A1 | 2012-01-19 | |||
| WO2010013681A1 | 2010-02-04 | |||
| WO2006103907A1 | 2006-10-05 | |||
| WO2019063309A1 | 2019-04-04 |
Foreign References:
| JP2000230172A | 2000-08-22 | |||
| US20180261652A1 | 2018-09-13 | |||
| US20040166146A1 | 2004-08-26 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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