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. 11, 2025
Filed:
Dec. 06, 2021
Lg Display Co., Ltd., Seoul, KR;
Sungbin Shim, Paju-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An electroluminescence display apparatus includes a substrate including a plurality of subpixel areas including an emission area and a non-emission area surrounding the emission area and a cathode contact area located on at least one side between the plurality of subpixel areas, a planarization layer disposed on the substrate and configured to overlap each of the emission area and the cathode contact area, a light emitting device disposed on the planarization layer and configured to overlap the emission area, and including a pixel electrode and a cathode electrode facing the pixel electrode, and a cathode contact electrode formed on the planarization layer and formed to overlap at least a portion of the non-emission area, wherein the cathode contact electrode includes one side surface exposed toward the cathode contact area, and the cathode electrode is in contact with the one side surface of the cathode contact electrode.