US 10,892,425 B1
Composition of matter for use in organic light-emitting diodes
Shuo-Hsien Cheng, Fukuoka (JP); Yu Seok Yang, Fukuoka (JP); Jorge Aguilera-Iparraguirre, Roslindale, MA (US); Rafael Gomez-Bombarelli, Cambridge, MA (US); and Timothy D. Hirzel, Quincy, MA (US)
Assigned to KYULUX, INC., Fukuoka (JP)
Filed by Kyulux North America, Inc., Boston, MA (US)
Filed on Mar. 5, 2018, as Appl. No. 15/912,106.
Claims priority of provisional application 62/589,741, filed on Nov. 22, 2017.
Claims priority of provisional application 62/557,872, filed on Sep. 13, 2017.
Claims priority of provisional application 62/519,432, filed on Jun. 14, 2017.
Claims priority of provisional application 62/466,765, filed on Mar. 3, 2017.
Int. Cl. H01L 51/00 (2006.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01); H01L 51/50 (2006.01)
CPC H01L 51/008 (2013.01) [C07F 5/027 (2013.01); C09K 11/06 (2013.01); C09K 2211/1022 (2013.01); H01L 27/3244 (2013.01); H01L 51/5016 (2013.01); H01L 51/56 (2013.01); H01L 2251/566 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A compound of Formula (I):

OG Complex Work Unit Drawing
wherein
B is boron;
R is independently selected from

OG Complex Work Unit Drawing
A is C1-4-alkyl;
L is independently selected from

OG Complex Work Unit Drawing

OG Complex Work Unit Drawing

OG Complex Work Unit Drawing
D is independently selected from

OG Complex Work Unit Drawing

OG Complex Work Unit Drawing

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OG Complex Work Unit Drawing

OG Complex Work Unit Drawing
m is 0, 1, or 2;
n is 1, 2, or 3;
n+m=3;
p is 1, or p is 2 if L is L-18 or L-19;
* indicates the point of attachment of an instance of L or R to B;
** indicates the point of attachment of an instance of L to an instance of D; and
*** indicates the point of attachment of an instance of D to an instance of L.