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:
Mar. 27, 2019
Sharp Kabushiki Kaisha, Sakai, JP;
Masanobu Mizusaki, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A display device includes a display area including a light-emitting element layer including a plurality of light-emitting elements, a TFT layer provided below the light-emitting element layer to drive the plurality of light-emitting elements, and a sealing layer covering the light-emitting element layer, and a frame area surrounding the display area. The light-emitting element layer is provided with a light-emitting layer for each color of red, green, and blue. The light-emitting layer of each color is partitioned by a bank constituted by a resin material, and each light-emitting layer includes a hydrazide compound or a nitroxy radical compound.