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.

Date of Patent:
Mar. 10, 2020

Filed:

Dec. 09, 2014
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Nora Sabina Radu, Landenberg, PA (US);

Adam Fennimore, Wilmington, DE (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 327/06 (2006.01); C08G 61/10 (2006.01); C08G 73/02 (2006.01); C07D 333/72 (2006.01); C08G 61/12 (2006.01); H01L 51/50 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0071 (2013.01); C07D 327/06 (2013.01); C07D 333/72 (2013.01); C08G 61/10 (2013.01); C08G 61/12 (2013.01); C08G 73/026 (2013.01); H01L 51/0035 (2013.01); H01L 51/0043 (2013.01); C08G 2261/12 (2013.01); C08G 2261/145 (2013.01); C08G 2261/148 (2013.01); C08G 2261/149 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/1644 (2013.01); C08G 2261/312 (2013.01); C08G 2261/3162 (2013.01); C08G 2261/412 (2013.01); C08G 2261/512 (2013.01); C08G 2261/95 (2013.01); H01L 51/0003 (2013.01); H01L 51/5056 (2013.01); H01L 51/5064 (2013.01); H01L 51/56 (2013.01);
Abstract

There is provided a hole transport material having Formula I, Formula Ia, or Formula II: In the formulae: A is an aromatic moiety including at least one triarylamino group; B' is an aromatic moiety; E is an end group which is H, D, alkyl, aryl, halide, deuterated alkyl, or deuterated aryl; G is G1, G2, or a deuterated analog thereof where the asterisk represents the point of attachment; n is an integer greater than 0; and m1 and m2 represent non-zero mole fractions, such that m1+m2=1.


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