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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.:

US 10381588 B1

PDFFull Text
Date of Patent:
Aug. 13, 2019

Filed:

Nov. 07, 2016

Organic electroluminescence element, organic electroluminescence display device, and method for producing organic electroluminescence element

Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventors:

Manabu Niboshi, Sakai, JP;

Hideki Uchida, Sakai, JP;

Shinji Nakajima, Sakai, JP;

Yoshiyuki Isomura, Sakai, JP;

Eiji Koike, Sakai, JP;

Yuto Tsukamoto, Sakai, JP;

Asae Ito, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, JP;

Attorney:

Keating & Bennett, LLP

Primary Examiner:

Nikolay K Yushin

Int. Cl.
CPC ...
H01L 27/00 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01); H01L 27/12 (2006.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5036 (2013.01); H01L 51/5004 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 51/56 (2013.01); H01L 27/1225 (2013.01); H01L 29/7869 (2013.01); H01L 51/5218 (2013.01); H01L 51/5234 (2013.01); H01L 51/5265 (2013.01); H01L 2251/5353 (2013.01); H01L 2251/552 (2013.01);
Abstract

To provide an organic EL element having good injection properties and transport properties of a carrier. Included are: an InGaZnO layer with a composition rich in InOas a transparent electrode contacting a negative electrode; an InGaZnO layer with a stoichiometric ratio of In:Ga:Zn:O=1:1:1:4 as an electron injecting layer; and an InGaZnO layer with a composition rich in GaOas an electron transport layer contacting a light emitting layer.

Find Patent Forward Citations

Niboshi, Manabu. (2019). Organic electroluminescence element, organic electroluminescence display device, and method for producing organic electroluminescence element (U.S. Patent No. 10381588). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10381588

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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