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1. (WO2018143176) OPTICAL SHEET FOR LIGHT-GUIDE PANEL-TYPE LCD, BACKLIGHT UNIT FOR LIGHT-GUIDE PANEL-TYPE LCD, AND LIGHT-GUIDE PANEL-TYPE LCD

Pub. No.:    WO/2018/143176    International Application No.:    PCT/JP2018/002909
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Wed Jan 31 00:59:59 CET 2018
IPC: G02F 1/13357
Applicants: NITTO DENKO CORPORATION
日東電工株式会社
Inventors: HATTORI Daisuke
服部 大輔
NAKAMURA Kozo
中村 恒三
YOSHIKAWA Takahiro
吉川 貴博
Title: OPTICAL SHEET FOR LIGHT-GUIDE PANEL-TYPE LCD, BACKLIGHT UNIT FOR LIGHT-GUIDE PANEL-TYPE LCD, AND LIGHT-GUIDE PANEL-TYPE LCD
Abstract:
Provided is an optical sheet for a light-guide panel-type LCD having a low refractive index layer with an extremely low refractive index. This optical sheet A12 for light-guide panel-type LCD (1000) is characterized by being obtained by laminating, in the following order, a first optical film (light-guide panel) (1010), a low refractive index layer (20) and a second optical film (reflector plate) (1020), and the low refractive index layer (20) having a refractive index not exceeding 1.25.