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:
Jul. 16, 2019
Filed:
Jul. 31, 2018
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 substratean organic EL elementprovided above the first substrateand a multilayer sealing filmprovided above the first substrateto cover the organic EL elementand including a barrier layer and a buffer layer lower in hardness than the barrier layer. The organic EL element covered with the multi layer 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.