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:
Dec. 20, 2011
Filed:
Sep. 29, 2006
Hidehiro Yoshida, Osaka, JP;
Seiji Nakashima, Nara, JP;
Toshiyuki Suemitsu, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided is a top emission type organic EL display, more specifically, an organic EL display having a specific sealing film and improved light extracting efficiency. The organic EL display provided with a top emission type organic EL element having the sealing film including a transparent inorganic material is characterized in that the density of a transparent inorganic material for an inner layer of the sealing film is lower than the density of a transparent inorganic material for an outer layer of the sealing film. The transparent inorganic material is silicon oxide, silicon nitride, silicon oxynitride, aluminum nitride or the like. Thus, the low power consumption organic EL display is provided.