Title:
OPTICAL FILM, IMAGE DISPLAY PANEL, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/210621
Kind Code:
A1
Abstract:
The present invention provides an optical film that has excellent anti-glare properties, suppresses reduction in visual sensation of jet black due to reflected scattered light, and ensures good scratch resistance. The optical film has a textured surface with an average height Spk of protruding peaks and with a minimum autocorrelation length Sal, the average height Spk being defined in ISO 25178-2:2012 and being 0.20-1.00 μm, the minimum autocorrelation length Sal being defined in ISO 25178 and being 4.0-12.0 μm.
Inventors:
TSUJIMOTO JUN (JP)
FURUI GEN (JP)
IWATA YUKIMITSU (JP)
MURAKAMI SHIGEKI (JP)
YONEYAMA TAKUMI (JP)
KUZUHARA MITSUHIRO (JP)
FURUI GEN (JP)
IWATA YUKIMITSU (JP)
MURAKAMI SHIGEKI (JP)
YONEYAMA TAKUMI (JP)
KUZUHARA MITSUHIRO (JP)
Application Number:
PCT/JP2023/016221
Publication Date:
November 02, 2023
Filing Date:
April 25, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G02B5/02; B32B3/30; B32B7/023; B32B27/16; B32B27/18; G02B1/111; G02B1/115; G02F1/1335; G09F9/00
Domestic Patent References:
| WO2017057564A1 | 2017-04-06 | |||
| WO2017061493A1 | 2017-04-13 | |||
| WO2017068765A1 | 2017-04-27 | |||
| WO2021075082A1 | 2021-04-22 |
Foreign References:
| JP2016126023A | 2016-07-11 | |||
| JP2015206841A | 2015-11-19 | |||
| JP2017134094A | 2017-08-03 | |||
| JP2020173452A | 2020-10-22 | |||
| JP2010122560A | 2010-06-03 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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