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:
Aug. 04, 2026
Filed:
Mar. 25, 2021
Sharp Display Technology Corporation, Kameyama City, JP;
Takao Saitoh, Kameyama City, JP;
Yohsuke Kanzaki, Kameyama City, JP;
Masaki Yamanaka, Kameyama City, JP;
Masahiko Miwa, Kameyama City, JP;
Yi Sun, Kameyama City, JP;
Masaki Fujiwara, Kameyama City, JP;
Sharp Display Technology Corporation, Kameyama City, JP;
Abstract
In an organic EL display device, a frame region provided outside a display region is provided with a damming wall extending on an outer periphery of the display region and a second lead-out wiring line extending across the damming wall from the display region side to an outside of the frame region. The damming wall includes a bank portion having a projecting shape and provided, in a part in which the second lead-out wiring line extends, on both sides in a direction in which the second lead-out wiring line extends with respect to a top portion of the damming wall. The bank portion is lower than a top portion of a second damming wall and forms, between the bank portion and the top portion, a trap portion having a recessed shape.