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. 30, 2022
Filed:
Jan. 24, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Cheol Ock Song, Daejeon, KR;
Ji Young Hwang, Daejeon, KR;
Han Min Seo, Daejeon, KR;
Sung Eun Park, Daejeon, KR;
Nam Seok Bae, Daejeon, KR;
Seung Heon Lee, Daejeon, KR;
Jung Sun You, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1339 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13394 (2013.01); G02F 1/13398 (2021.01); G02F 1/133512 (2013.01); G02F 1/134309 (2013.01);
Abstract
A substrate having a spacer formed thereon, a method of making the same, and an optical device including the same are disclosed herein. In one embodiment, a substrate includes a base layer, and a black column spacer formed on the base layer, wherein the black column spacer has an optical density in a range of 1.1 to 4, and wherein the black column spacer having a curved portion, wherein a cross section of the curved portion having at least one region having curvature.