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. 04, 2021
Filed:
Mar. 24, 2016
Lms Co., Ltd., Pyeongtaek-si, KR;
Jee Hong Min, Seongnam-si, KR;
Ki Wook Lee, Anyang-si, KR;
Byoung Hun Lee, Osan-si, KR;
Tae Jun Lee, Osan-si, KR;
Dong Cheol Lee, Suwon-si, KR;
Se Jin Oh, Hwaseong-si, KR;
LMS CO., LTD, Pyeongtaek-si, KR;
Abstract
The present disclosure relates to an optical sheet having improved optical properties and minimized surface spots. According to one aspect of the present disclosure, provided is an optical sheet comprising: a first prism sheet which has a plurality of prisms parallel in a first direction formed on one surface thereof; and a diffusion sheet which is positioned at the surface side into which light of the first prism sheet is incident and has a plurality of protrusions formed on the surface facing the first prism sheet.