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:
Aug. 21, 2018
Filed:
Feb. 12, 2016
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Mamoru Ishida, Sakai, JP;
Tetsuya Okamoto, Sakai, JP;
Takeshi Hirase, Sakai, JP;
Tohru Senoo, Sakai, JP;
Tohru Sonoda, Sakai, JP;
Daichi Nishikawa, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
An organic EL displayincludes a sealing filmprovided on a plastic substrateto cover an organic EL element. The sealing filmincludes a first sealing layeron a surface of the plastic substrate, three stress relief layers, andon a surface of the first sealing layer, and a second sealing layeron a surface of the stress relief layer. The stress relief layers, andeach have a higher coefficient of thermal expansion than the first and second sealing layersand. The stress relief layerinterposed between the stress relief layersandhas a higher coefficient of thermal expansion than the stress relief layersand