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 10428269 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 01, 2019

Filed:

Dec. 27, 2017
Applicants:

Feng-wen Yen, Taipei, TW;

Shu-hua Yeh, Hsinchu, TW;

Inventors:

Feng-Wen Yen, Taipei, TW;

Shu-Hua Yeh, Hsinchu, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C09K 11/06 (2006.01); C07C 13/62 (2006.01); C07D 209/82 (2006.01); C07D 307/91 (2006.01); C07D 333/76 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C07C 13/62 (2013.01); C07D 209/82 (2013.01); C07D 307/91 (2013.01); C07D 333/76 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0085 (2013.01); H01L 51/5012 (2013.01); C07C 2603/18 (2017.05); C07C 2603/54 (2017.05); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01);
Abstract

The present invention discloses an indenotriphenylene phosphine oxide derivative and an organic electroluminescence device employing the derivative as the phosphorescent host material in the light emitting layer, and/or the hole blocking material and/or the electron transporting material in the organic EL device, which thereby exhibits improved performance.


Find Patent Forward Citations

Yen, Feng-Wen. (2019). Indenotriphenylene derivative and organic electroluminescence device using the same (U.S. Patent No. 10428269). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10428269

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