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:
Mar. 06, 2018
Filed:
Sep. 14, 2016
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/02 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 27/124 (2013.01); H01L 27/1248 (2013.01);
Abstract
A thin film transistor substrate including a second electrode connected to a first electrode within a shared contact hole; and a fourth electrode connected to a third electrode within the shared contact hole, wherein the shared contact hole penetrates through a plurality of stacked insulating layers, and wherein an insulating layer below at least one of a connection portion in which the first electrode and the second electrode are connected and a connection portion in which the third electrode and the fourth electrode are connected has an undercut structure within the shared contact hole.