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:
Sep. 17, 2013

Filed:

Apr. 21, 2011
Applicant:

Hideaki Matsushima, Osaka, JP;

Inventor:

Hideaki Matsushima, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/18 (2006.01); H01L 33/00 (2010.01); H01J 1/62 (2006.01); H01J 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A display device includes an array of light emitting cells. Each light emitting cell includes first and second electrodes, and an organic light emitting layer located between the first and second electrodes. Banks are above the first electrode that partition the organic light emitting layer to define each of the light emitting cells. First and second light emitting cells are adjacent to one another and located in a peripheral region of the array. The first light emitting cell is closer to a center of the array than the second light emitting cell. A first bank borders the first light emitting cell and the second light emitting cell. An inclination angle of an innermost sidewall of the first bank that is adjacent the first light emitting cell is greater than an inclination angle of an outermost sidewall of the first bank that is adjacent the second light emitting cell.


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