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:
Sep. 06, 2019
Sharp Kabushiki Kaisha, Sakai, JP;
Hisayuki Utsumi, Sakai, JP;
Masayuki Kanehiro, Sakai, JP;
Youhei Nakanishi, Sakai, JP;
Yoshihiro Ueta, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A display device comprises: a display region having a plurality of pixels; and a frame region, the display region including: a thin-film transistor layer; a light-emitting-element layer provided above the thin-film transistor layer; and a sealing layer provided above the light-emitting-element layer, the light-emitting-element layer including: a first electrode; a second electrode; a light-emitting layer provided between the first electrode and the second electrode; and an electron-transport layer provided between the light-emitting layer and the second electrode, and the electron-transport layer containing: nanoparticles of metal oxide; and a binding resin.