Title:
ANTIREFLECTION FILM AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/210368
Kind Code:
A1
Abstract:
An antireflection film (101) is provided with: a hard coat film (1) which comprises a hard coat layer (11) on one main surface of a transparent film substrate (10); and an antireflection layer (5) and an antifouling layer (7) which are provided, in order, on the hard coat layer. The antireflection layer contains at least one layer each of a high-refractive index layer and a low-refractive index layer, and the low-refractive index layer (54) contacts the antifouling layer. The low-refractive index layer is a thin-film having silicon oxide as a principal component thereof, and the film thickness of the low-refractive index layer which contacts the antifouling layer is greater than 85nm. The arithmetic mean height Sa 2 of the antifouling layer is greater than 3.0nm.
Inventors:
WATANABE MASAHIKO (JP)
MIYAMOTO KODAI (JP)
KAKUDA YUTAKA (JP)
MIYAMOTO KODAI (JP)
KAKUDA YUTAKA (JP)
Application Number:
PCT/JP2023/014852
Publication Date:
November 02, 2023
Filing Date:
April 12, 2023
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B1/115; B32B7/023; G02B1/14; G02B1/18; G02F1/1335; G09F9/00; H10K50/86; H10K59/10
Domestic Patent References:
| WO2022014569A1 | 2022-01-20 | |||
| WO2022014568A1 | 2022-01-20 | |||
| WO2022260152A1 | 2022-12-15 |
Foreign References:
| JP7041769B1 | 2022-03-24 |
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
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