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. 08, 2010
Filed:
Sep. 12, 2003
Shinichi Handa, Shinjuku-Ku, JP;
Hirofumi Nakajima, Shinjuku-Ku, JP;
Kenichi Kuba, Shinjuku-Ku, JP;
Hiroyuki Shirogane, Shinjuku-Ku, JP;
Masaru Kobayashi, Shinjuku-Ku, JP;
Shinichi Handa, Shinjuku-Ku, JP;
Hirofumi Nakajima, Shinjuku-Ku, JP;
Kenichi Kuba, Shinjuku-Ku, JP;
Hiroyuki Shirogane, Shinjuku-Ku, JP;
Masaru Kobayashi, Shinjuku-Ku, JP;
Dai Nippon Printing Co., Ltd., Shinjuku-ku, JP;
Abstract
Disclosed is an EL element in which the rigidity and thermal expansion of the whole EL element is homogeneous, the spacing between film substrates provided respectively on both sides of the EL element can be kept constant, and the whole EL element is flexible. The EL element comprises a first film substrate, an EL part, and a sealant layer, the EL part comprising a first electrode, an EL layer, and a second electrode and being provided on a part of a surface of the first film substrate, the sealant layer being provided to cover the EL part and to cover the EL part-free part of the surface of the first film substrate in such a manner that the sealant layer covering the EL part is contiguous with the sealant layer covering the EL part-free part of the surface of the first film substrate.