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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 10256415 B1

PDFFull Text
Date of Patent:
Apr. 09, 2019

Filed:

Mar. 06, 2015

Light-emitting material, organic light-emitting device, and compound

Applicant:

Kyulux, Inc., Fukuoka-shi, Fukuoka, JP;

Inventors:

Tadahisa Sato, Nagaoka, JP;

Shun Unayama, Nagaoka, JP;

Jie Li, Fukuoka, JP;

Chihaya Adachi, Fukuoka, JP;

Assignee:

KYULUX, INC., Fukuoka-Shi, Fukuoka, JP;

Attorney:

Browdy and Neimark, PLLC

Primary Examiner:

Jennifer A Chriss

Assistant Examiner:

Sean M DeGuire

Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 487/14 (2006.01); C07D 487/04 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 487/04 (2013.01); C07D 487/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0059 (2013.01); H01L 51/0071 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1044 (2013.01); H01L 51/5012 (2013.01);
Abstract

An organic light-emitting device having a compound represented by the following general formula in a light-emitting layer thereof has a high light emission efficiency. Rto Reach independently represent a hydrogen atom or a substituent having a Hammett σvalue of 0 or more. Rto Reach independently represent a hydrogen atom or a substituent, provided that at least one of Rto Rrepresents a substituted or unsubstituted N,N-diarylamino group. m represents 1 or 2.

Find Patent Forward Citations

Sato, Tadahisa. (2019). Light-emitting material, organic light-emitting device, and compound (U.S. Patent No. 10256415). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10256415

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

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