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:
Aug. 18, 2015

Filed:

Jan. 30, 2013
Applicant:

Joled Inc., Tokyo, JP;

Inventor:

Takashi Isobe, Nara, JP;

Assignee:

JOLED INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01); H05B 33/26 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3276 (2013.01); H01L 51/5076 (2013.01); H01L 51/5088 (2013.01); H01L 51/5221 (2013.01); H01L 51/5228 (2013.01); H01L 51/5243 (2013.01); H01L 51/56 (2013.01); H01L 2227/323 (2013.01); H05B 33/26 (2013.01);
Abstract

EL display device with long lifetime for electrons being injected into a light-emission layer at a high rate, and method of manufacturing the EL display device are provided. The EL display device includes: base; pixel electrode on the base; auxiliary wiring on the base, the auxiliary wiring not overlapping with the pixel electrode; light-emission layer above the pixel electrode; charge transport layer above the auxiliary wiring and the pixel electrode, the charge transport layer continuously extending over the auxiliary wiring and the pixel electrode; and common electrode on the charge transport layer, the common electrode continuously extending over the auxiliary wiring and connected with the auxiliary wiring. The common electrode includes at least one metal selected from a group consisting of alkali metals and alkaline-earth metals.


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