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:
Jul. 24, 2012
Filed:
Sep. 22, 2010
Dong-sik Park, Gyeonggi-do, KR;
Dong-Sik Park, Gyeonggi-do, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An organic electroluminescent display device includes at least one switching transistor and driving transistor formed on an array substrate, wherein the array substrate includes a gate pad and a date pad formed thereon; a contact electrode, a gate pad top electrode of the gate pad and a data pad top electrode of the data pad formed on a passivation layer, a contact electrode, a top gate pad electrode and a top data pad electrode electrically connected to the exposed portion of a drain electrode of the driving transistor, a gate pad bottom electrode and a data pad bottom electrode respectively; a light-emitting cell including a cathode electrode, an anode electrode and an organic layer interposed therebetween formed on the planarization layer; wherein the cathode electrode is electrically connected to the contact electrode via one of the contact hole; wherein the contact electrode has acid-resistance with respect to an etchant used in patterning the cathode electrode.