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:
Dec. 23, 2025
Filed:
Sep. 14, 2022
Lg Display Co., Ltd., Seoul, KR;
Joonwon Park, Seoul, KR;
Hanil Kim, Paju-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An electroluminescent display device according to an exemplary embodiment of the present disclosure may include a substrate including an active area and a non-active area having a gate in panel (GIP) area outside the active area, an oxide thin film transistor disposed on the substrate in the GIP area, a passivation layer disposed on the oxide thin film transistor, a planarization layer disposed on the passivation layer, a buffer layer disposed on the passivation layer or the planarization layer in the GIP area and made of silicon nitride and a light emitting element disposed on the planarization layer and including an anode, a light emitting unit, and a cathode. As a result, by preventing hydrogen inflow into an oxide thin film transistor, characteristics and reliability of the thin film transistor can be improved.