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.

Date of Patent:
Feb. 11, 2025

Filed:

Apr. 30, 2024
Applicant:

Lms Co., Ltd., Pyeongtaek-si, KR;

Inventors:

Byeonghun Lee, Pyeongtaek-si, KR;

Hyeonuk Park, Pyeongtaek-si, KR;

Dongkyu Lee, Pyeongtaek-si, KR;

Changgoo Park, Pyeongtaek-si, KR;

Assignee:

LMS Co., Ltd., Pyeongtaek-si, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0051 (2013.01); G02B 6/0053 (2013.01);
Abstract

Provided is an optical film comprising a first base portion; a pyramid pattern layer including a plurality of pyramid patterns formed on a first surface of the first base portion and a first side of a base of the pyramid pattern arranged in a pyramid direction; and a first prism pattern layer including a plurality of first prism patterns formed on a second surface of the first base portion and an edge of the first prism pattern arranged in a prism direction.


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