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:
Feb. 11, 2025
Filed:
Sep. 23, 2020
Applicant:
Kimoto Co., Ltd., Saitama, JP;
Inventors:
Assignee:
KIMOTO CO., LTD., Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02B 5/02 (2013.01); G02B 5/0268 (2013.01);
Abstract
There is provided a light diffusion film in which a decrease in the half-value angle can be suppressed even after processing with a high elongation rate. A light diffusion film including a base material film and a light diffusing layer, the light diffusing layer containing light diffusing particles and a resin binder, wherein a ratio (T/t) of an average film thickness T of the light diffusing layer, to an average particle diameter t of the light diffusing particles, is 3.0 or more.