The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2023
Filed:
Sep. 04, 2020
Toppan Printing Co., Ltd., Tokyo, JP;
Fumitake Suzuki, Tokyo, JP;
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Abstract
An optical film including a first film substrate, and a light diffusion layer that is formed on the first film substrate, wherein the light diffusion layer contains a binder resin and light-diffusing particles, of the light-diffusing particles, 10% or more by number of the light-diffusing particles form an uneven structure on a surface of the light-diffusing layer by the 10% or more of the light-diffusing particles protruding more than a surrounding area not containing any light-diffusing particles, and of the light diffusing particles which cause the binder resin to be protruded and have a protruded portion, 90% or more by number of the protruded portion of light-diffusing particles is covered by the binder resin.