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:
Oct. 21, 2025
Filed:
Apr. 10, 2020
Sharp Kabushiki Kaisha, Sakai, JP;
Shogo Murashige, Sakai, JP;
Yujiro Takeda, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
An organic EL display device has a frame region provided with a first dam wall and a second dam wall to surround a display region. The first dam wall and the second dam wall include: a first resin wall layer; a first conductive wall layer covering the first resin wall layer; a second resin wall layer over the first resin wall layer through the first conductive wall layer; and a second conductive wall layer covering the second resin wall layer. The second resin wall layer is positioned between: a step portion included in the first conductive wall layer and covering a peripheral end face of the first resin wall layer; and a portion included in the second conductive wall layer and corresponding to the step portion of the first conductive wall layer.