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:
Nov. 20, 2018
Filed:
Jan. 06, 2015
Lms Co., Ltd, Pyeongtaek-si, Gyeonggi-do, KR;
Sung Sik Cho, Suwon-si, KR;
Dong Cheol Lee, Suwon-si, KR;
Tae Jun Lee, Osan-si, KR;
Hee Jeong Kim, Osan-si, KR;
Ki Wook Lee, Anyang-si, KR;
Jang Hee Cho, Suwon-si, KR;
Byoung Hun Lee, Osan-si, KR;
LMS CO., LTD, Pyeongtaek-si, KR;
Abstract
Disclosed is an optical sheet assembly comprising: a first optical sheet which comprises a first base film and a first optical pattern formed on the first base film, light being incident on the first base film; a second optical sheet which comprises a second base film and a second optical pattern formed on the second base film, the light exiting from the first optical sheet being incident thereon; and a third optical sheet which comprises a third base film and a third optical pattern formed on the third base film, the light exiting from the second optical sheet being incident thereon, wherein the first to third optical patterns perform light condensing or diffusing function, the first optical sheet is joined with the second optical sheet, and the second optical sheet is joined with the third optical sheet.