Title:
LIGHT DIFFUSION FILM
Document Type and Number:
WIPO Patent Application WO/2021/084977
Kind Code:
A1
Abstract:
Provided is a light diffusion film that is able to suppress reduction in the half-value angle even after processing to have a high elongation rate is performed thereon. This light diffusion film is provided with a base film, and a light diffusion layer including light diffusion particles and a resin binder. The ratio (T/t) of the average film thickness T of the light diffusion layer to the average particle size t of the light diffusion particles is 3.0 or more.
Inventors:
SUZUKI SHO (JP)
KATO TATSUYA (JP)
TACHIBANA KAZUTOSHI (JP)
KATO TATSUYA (JP)
TACHIBANA KAZUTOSHI (JP)
Application Number:
PCT/JP2020/035798
Publication Date:
May 06, 2021
Filing Date:
September 23, 2020
Export Citation:
Assignee:
KIMOTO KK (JP)
International Classes:
G02B5/02; F21V3/00
Domestic Patent References:
| WO2012039319A1 | 2012-03-29 | |||
| WO2010110103A1 | 2010-09-30 | |||
| WO2010106990A1 | 2010-09-23 | |||
| WO2014167664A1 | 2014-10-16 | |||
| WO2019102715A1 | 2019-05-31 | |||
| WO2012036272A1 | 2012-03-22 | |||
| WO2019149799A1 | 2019-08-08 |
Foreign References:
| JP2012068273A | 2012-04-05 | |||
| JP2018041638A | 2018-03-15 |
Other References:
See also references of EP 4053601A4
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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