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.

Date of Patent:
Jan. 06, 2015

Filed:

Dec. 19, 2012
Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Takayuki Takeuchi, Hyogo, JP;

Seiji Nishiyama, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/56 (2006.01); H01L 33/42 (2010.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 33/42 (2013.01); H01L 51/5088 (2013.01); H01L 27/3246 (2013.01); H01L 27/3283 (2013.01); H01L 2251/5323 (2013.01);
Abstract

Organic light-emitting elements each have the following structure: a transparent anode, a functional layer including a charge injection layer and an organic light-emitting layer, and a transparent cathode are layered on a substrate in the stated order; a bank defines a formation area of the organic light-emitting layer; the charge injection layer is a metal oxide layer formed by oxidizing an upper surface portion of the anode composed of the metal layer, and a portion of the charge injection layer that is positioned under the area is depressed so as to form a recess; and the upper peripheral edge of the recess is covered with a covering portion of the bank.


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