Title:
OPTICAL FILM, POLARIZATION PLATE, SURFACE SHEET FOR PICTURE DISPLAY UNIT AND PICTURE DISPLAY UNIT
Document Type and Number:
Japanese Patent JP2023134487
Kind Code:
A
Abstract:
To provide an optical film capable of suppressing a pale look of a picture display unit when mounted onto the picture display unit.SOLUTION: An optical film includes an ultraviolet absorption layer containing an ultraviolet absorber B on a plastic film containing an ultraviolet absorber A. Fluorescent emission when a side of the plastic film is irradiated with excitation light of wavelength 365 nm and fluorescent emission when a side of the ultraviolet absorption layer is irradiated with excitation light of wavelength 365 nm satisfy a prescribed condition.SELECTED DRAWING: None
Inventors:
ISOJIMA SEIICHI
EGUCHI JUNYA
KURODA TSUYOSHI
NAKAGAWA HIROKI
EGUCHI JUNYA
KURODA TSUYOSHI
NAKAGAWA HIROKI
Application Number:
JP2023101781A
Publication Date:
September 27, 2023
Filing Date:
June 21, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B32B27/18; B32B27/30; C08J7/04; G02B5/30; H10K50/00; H10K59/10; H10K59/38
Attorney, Agent or Firm:
Patent Attorney Corporation Otani Patent Office
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