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:
Sep. 04, 2018
Filed:
Nov. 30, 2015
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Tohru Sonoda, Sakai, JP;
Takeshi Hirase, Sakai, JP;
Tetsuya Okamoto, Sakai, JP;
Tohru Senoo, Sakai, JP;
Daichi Nishikawa, Sakai, JP;
Mamoru Ishida, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
A the organic EL displayincludes: a first substrate; an organic EL elementprovided above the first substrate; and a multilayer sealing filmprovided above the first substrateto cover the organic EL element, and including a barrier layer and a buffer layer lower in hardness than the barrier layer. The organic EL element covered with the multilayer sealing film includes a protrusion, and a relationship (d/h)<2 holds where h is a height of the protrusion directly below the buffer layer and d is a thickness of the buffer layer.