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:
Apr. 08, 2025
Filed:
Oct. 15, 2019
Sharp Kabushiki Kaisha, Sakai, JP;
Yusuke Sakakibara, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A light-emitting element includes: a cathode; an anode; and an electron-transport layer, a light-emitting layer, and a hole-transport layer provided, between the cathode and the anode, in a stated order from the cathode. At least one of the electron-transport layer or the hole-transport layer includes: a first charge-transport layer and a second charge-transport layer containing different carrier-transport materials. The light-emitting element includes, in plan view, a first region including the first charge-transport layer, and a second region including the second charge-transport layer. The light-emitting element shares the anode and the cathode between the first region and the second region.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile