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:
Jun. 21, 2005
Filed:
Jun. 12, 2003
Tetsuro Yoshii, Tokyo, JP;
Hiroshi Nishikawa, Tokyo, JP;
Tetsuro Yoshii, Tokyo, JP;
Hiroshi Nishikawa, Tokyo, JP;
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Abstract
There is provided an EL device which has sufficient strength to external pressure and is capable of effectively preventing moisture and oxygen from infiltrating into the EL device, thereby having a prolonged life. An organic EL deviceis comprised of a substrate, an organic EL multilayer filmthat is formed on the substrate, and a sealing platethat is bonded onto the substrateusing an adhesiveso as to cover the organic EL multilayer film. The sealing plateis of a flangeless type, wherein the width of peripheral projecting parts thereof is not less than the thickness at these peripheral projecting parts, and moreover is not less than 0.7 mm.