OPTICAL FILM, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE

WIPO Patent Application WO/2023/090390

A1

According to one embodiment, an optical film 100 comprises: a high refractive index layer 103; and a low refractive index layer 104. The high refractive index layer 103 has a plurality of optical elements 103A which protrude toward the low refractive index layer 104. The optical elements 103A are embedded in the low refractive index layer 104. The ratio of hardness obtained through division of a nano-indentation hardness at a position 1 μm in the thickness direction inside the high refractive index layer 103 from an interface between an apex 103T of each of the optical elements 103A and the low refractive index layer 104, by a nano-indentation hardness at a position 10 μm in the thickness direction inside the high refractive index layer 103 from the interface is 1.036 or higher.

WO/2022/101721	UNDULATING METAL LAYER AND OPTICAL CONSTRUCTION INCLUDING SAME
WO/2022/130218	OPTICAL CONSTRUCTION INCLUDING LENS FILM AND MULTILAYER MASK
WO/2023/214244	LIGHT CONTROL FILM AND METHOD OF FABRICATING SAME

HASHIMOTO KEISUKE (JP)
TANAKA MASAFUMI (JP)
HORI MITSUKI (JP)
KANKE SATORU (JP)
INOUE TATSUAKI (JP)
HOSAKA YUTA (JP)
OGAWA KAZUNOBU (JP)
KATSURA YUKI (JP)

PCT/JP2022/042687

May 25, 2023

November 17, 2022

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DAINIPPON PRINTING CO LTD (JP)

G02B5/00; G02F1/1335; G09F9/00; H10K50/86; H10K59/10

JP2021092631A	2021-06-17
JP2021039145A	2021-03-11
US20180045876A1	2018-02-15

MIYAJIMA Manabu et al. (JP)

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