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:
Sep. 13, 2022
Filed:
Nov. 10, 2020
Lms Co., Ltd., Pyeongtaek-si, KR;
Jinhwan Kim, Pyeongtaek-si, KR;
Taejun Lee, Pyeongtaek-si, KR;
Hyeryong Kim, Pyeongtaek-si, KR;
Jihoon Lee, Pyeongtaek-si, KR;
Seongyong Yoon, Pyeongtaek-si, KR;
Jitae Kim, Pyeongtaek-si, KR;
LMS CO., LTD., Pyeongtaek-si, KR;
Abstract
An optical film is disclosed. The optical film may include a first base film, and a diffusion lens layer disposed on one surface of the first base film and including a plurality of square pyramid-shaped lenses. Edges meeting at vertices of the plurality of square pyramid-shaped lenses may be curved lines. Among the plurality of square pyramid-shaped lenses, one surface of a first square pyramid-shaped lens may meet one surface of a second square pyramid-shaped lens to form a boundary line, and the one surface of the first square pyramid-shaped lens and the one surface of the second square pyramid-shaped lens may be symmetrical with respect to the boundary line as an axis.