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Title:
バリアフィルム、それを用いた波長変換シート、及びそれを用いた表示装置
Document Type and Number:
Japanese Patent JP7310700
Kind Code:
B2
Abstract:
To provide a barrier film for a wavelength conversion sheet, which can effectively suppress sticking between a light guide plate and the wavelength conversion sheet.SOLUTION: A barrier film 1 is provided for a wavelength conversion sheet 10 which is used for a backlight light source of a display device and is disposed on one surface of a phosphor layer 11 containing a phosphor. The barrier film 1 is a multilayer film including at least a barrier layer 13 and substrate layers 12, 15, and has an anti-sticking layer 16 containing a resin 161 and a filler 162 laminated on one surface of the barrier film 1. The filler 162 comprises a resin showing a compression strength of 2.8 kgf/mm2 or more measured in accordance with JIS A9511. The anti-sticking layer has a coating amount of 1.0 g/m2 or more and 3.6 g/m2 or less after dried, and a haze value of 10% or more and 35% or less measured in accordance with JIS K7136.SELECTED DRAWING: Figure 1

Inventors:
Tatsushi Nakajima
Samurai Sakamoto
Shuichi Tamura
Tatsunori Itai
Ryutaro Harada
Application Number:
JP2020083347A
Publication Date:
July 19, 2023
Filing Date:
May 11, 2020
Export Citation:
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Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
G02B5/20; F21S2/00; F21V9/32; G02F1/13357
Domestic Patent References:
JP2017102389A
JP2014500983A
JP2017041571A
JP2019008906A
JP2018136401A
Foreign References:
KR1020180056544A
CN106903954A
WO2016076322A1
CN106903945A
CN106908990A
Attorney, Agent or Firm:
Masayuki Shobayashi
Tetsuo Shiba
Kazuyoshi Hayashi