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Title:
COLOR CONVERSION FILM, METHOD FOR MANUFACTURING COLOR CONVERSION FILM, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/130784
Kind Code:
A1
Abstract:
Provided is a color conversion film comprising: a support body; a first color conversion layer including an organic light-emitting material which, by being excited by excitation light having a wavelength of at least 400 nm but less than 500 nm, emits light having a peak wavelength observed in a region between 500 nm inclusive and 580 nm exclusive; a second color conversion layer including an organic light-emitting material which, by being excited by at least one of excitation light having a wavelength of at least 400 nm but less than 500 nm and light emitted by the organic light-emitting material, emits light having a peak wavelength observed in a region between 580 nm and 750 nm inclusive; and an interlayer mixed layer that is disposed between the first color conversion layer and the second color conversion layer, and that has the first color conversion layer and the second color conversion layer mixed therein. Also provided are a method for manufacturing the color conversion film, a backlight unit comprising the color conversion film, and a liquid crystal display device comprising the backlight unit.

Inventors:
ARITOSHI YOHEI (JP)
Application Number:
PCT/JP2021/039167
Publication Date:
June 23, 2022
Filing Date:
October 22, 2021
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
C09K11/06; F21S2/00; F21V9/38; G02B5/20; G02F1/13357; F21Y115/10; F21Y115/30
Domestic Patent References:
WO2018221216A12018-12-06
Foreign References:
JP2020513585A2020-05-14
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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