Title:
METHOD FOR PRODUCING WAVELENGTH CONVERSION SHEET, PHOSPHOR PROTECTIVE FILM, WAVELENGTH CONVERSION SHEET WITH RELEASE FILM, AND WAVELENGTH CONVERSION SHEET
Document Type and Number:
WIPO Patent Application WO/2020/085466
Kind Code:
A1
Abstract:
A method for producing a wavelength conversion sheet, which comprises: a bonding step wherein a multilayer film comprising a barrier film and a release film that is releasable from the multilayer film are bonded with each other, thereby obtaining a phosphor protective film; a phosphor layer formation step wherein a phosphor layer containing a phosphor is formed on the multilayer film-side surface of the phosphor protective film, thereby obtaining a wavelength conversion sheet with a release film; and a release step wherein the release film is released from the wavelength conversion sheet with a release film.
Inventors:
ICHIBA HIROKI (JP)
MARUYAMA SATOSHI (JP)
KUROKAWA MASATO (JP)
SAITO YASUHIKO (JP)
MARUYAMA SATOSHI (JP)
KUROKAWA MASATO (JP)
SAITO YASUHIKO (JP)
Application Number:
PCT/JP2019/041802
Publication Date:
April 30, 2020
Filing Date:
October 24, 2019
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G02B5/20; B32B7/023; B32B37/14; G02B1/11; G02F1/13357
Domestic Patent References:
| WO2018079495A1 | 2018-05-03 |
Foreign References:
| JP2017043058A | 2017-03-02 | |||
| JP2017016134A | 2017-01-19 | |||
| JP2005315786A | 2005-11-10 | |||
| JP2005195571A | 2005-07-21 | |||
| JPH10319231A | 1998-12-04 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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