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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 10840461 B1

PDFFull Text
Date of Patent:
Nov. 17, 2020

Filed:

Jun. 28, 2011

Organic electroluminescent element material, organic electroluminescent element and production method for organic electroluminescent element

Applicants:

Yasunori Yonekuta, Kanagawa, JP;

Koji Takaku, Kanagawa, JP;

Naoyuki Hayashi, Kanagawa, JP;

Inventors:

Yasunori Yonekuta, Kanagawa, JP;

Koji Takaku, Kanagawa, JP;

Naoyuki Hayashi, Kanagawa, JP;

Assignee:

UDC Ireland Limited, Dublin, IE;

Attorney:

Riverside Law LLP

Primary Examiner:

Dylan C Kershner

Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/46 (2006.01); H01L 51/00 (2006.01); C08G 77/388 (2006.01); C08K 5/18 (2006.01); C08G 77/12 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0094 (2013.01); C08G 77/388 (2013.01); C08K 5/18 (2013.01); H01L 51/006 (2013.01); C08G 77/12 (2013.01); H01L 51/0043 (2013.01); H01L 51/0059 (2013.01); H01L 51/5056 (2013.01); H01L 51/5088 (2013.01);
Abstract

Provided is an organic electroluminescence device material, which, in its production, is free from formation of impurities that worsen the performance of organic EL devices, which, in forming an upper layer by coating, does not cause dissolution mixing or swelling mixing, which forms a film of good quality and which contributes toward improving the performance (high durability, and low driving voltage) of organic EL devices. The organic electroluminescence device material is a siloxane compound having a recurring unit represented by the following general formula (1):

Find Patent Forward Citations

Yonekuta, Yasunori. (2020). Organic electroluminescent element material, organic electroluminescent element and production method for organic electroluminescent element (U.S. Patent No. 10840461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10840461

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