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. 10, 2012
Filed:
Feb. 25, 2011
Hidehiro Yoshida, Osaka, JP;
Yoshiro Kitamura, Osaka, JP;
Shuhei Nakatani, Osaka, JP;
Hisao Nagai, Osaka, JP;
Hidehiro Yoshida, Osaka, JP;
Yoshiro Kitamura, Osaka, JP;
Shuhei Nakatani, Osaka, JP;
Hisao Nagai, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An organic EL element having a functional layer with a uniform film thickness is provided. The organic EL element of the present invention contains a substrate; an anode electrode set on the substrate; an organic EL layer set on the anode electrode; a cathode electrode set on the organic EL layer; and a bank having a forward tapered shape, which define the organic EL layer. The bank contains a fluorine resin, the fluorine concentration at a top of the bank is higher than the fluorine concentration at a bottom surface of the bank, and a height of the top of the bank from the substrate is 0.8 to 1.2 μm.