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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 10276800 B1

PDFFull Text
Date of Patent:
Apr. 30, 2019

Filed:

Nov. 12, 2015

Organic electroluminescence device having at least an a node, a hole injection layer, a first hole transport layer. a second hole transport layer a luminous layer, an electron transport layer, and a cathode

Applicant:

Hodogaya Chemical Co., Ltd., Tokyo, JP;

Inventors:

Shuichi Hayashi, Tokyo, JP;

Daizo Kanda, Tokyo, JP;

Kazunori Togashi, Tokyo, JP;

Assignee:

HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Caleb E Henry

Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07B 59/00 (2006.01); C07C 211/58 (2006.01); C07D 307/91 (2006.01); C09K 11/06 (2006.01); C07C 211/54 (2006.01); H01L 51/50 (2006.01); C07C 211/61 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0059 (2013.01); C07B 59/00 (2013.01); C07B 59/001 (2013.01); C07C 211/54 (2013.01); C07C 211/58 (2013.01); C07C 211/61 (2013.01); C07D 307/91 (2013.01); C09K 11/06 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0077 (2013.01); H01L 51/5064 (2013.01); C07B 2200/05 (2013.01); C07C 2603/18 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1029 (2013.01); H01L 51/0054 (2013.01); H01L 51/0073 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01);
Abstract

The present invention provides an organic EL device having at least an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in order of description. The second hole transport layer includes an arylamine compound having a specific structure, and the electron transport layer includes a pyrimidine derivative having a specific structure. The organic EL device of the present invention has a high efficiency, a low driving voltage, and a longer life.

Find Patent Forward Citations

Hayashi, Shuichi. (2019). Organic electroluminescence device having at least an a node, a hole injection layer, a first hole transport layer. a second hole transport layer a luminous layer, an electron transport layer, and a cathode (U.S. Patent No. 10276800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10276800

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

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