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:
Aug. 15, 2023
Filed:
Nov. 18, 2019
Applicant:
Lg Chern, Ltd., Seoul, KR;
Inventors:
Cheol Ock Song, Daejeon, KR;
Han Min Seo, Daejeon, KR;
Nam Seok Bae, Daejeon, KR;
Jae Sung Han, Daejeon, KR;
Seung Heon Lee, Daejeon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1339 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13394 (2013.01); G02F 1/13398 (2021.01);
Abstract
A substrate, an optical device include the same, and a method of making the same are disclosed herein. In some embodiments, a substrate includes a base layer, a plurality of column spacers disposed on the base layer, and a ball spacer attached to or embedded in at least one of the plurality of column spacers. The spacers having excellent dimensional accuracy and adhesiveness on the substrate.