US 11,667,647 B2
Delayed fluorescent compound, and organic light emitting diode and organic light emitting display device including the same
Suk-Young Bae, Paju-si (KR); Tae-Ryang Hong, Paju-si (KR); Jun-Yun Kim, Paju-si (KR); Jin-Hee Kim, Paju-si (KR); and Ah-Rang Lee, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR); and Soulbrain Co., Ltd., Seongnam-si (KR)
Filed by LG Display Co., Ltd., Seoul (KR); and Soulbrain Co., Ltd., Seongnam-si (KR)
Filed on Dec. 12, 2019, as Appl. No. 16/712,159.
Claims priority of application No. 10-2018-0170831 (KR), filed on Dec. 27, 2018.
Prior Publication US 2020/0207778 A1, Jul. 2, 2020
Int. Cl. C07D 491/10 (2006.01); C07D 491/107 (2006.01); C07D 495/10 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01)
CPC C07D 491/107 (2013.01) [C07D 495/10 (2013.01); H01L 51/0054 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5004 (2013.01)] 18 Claims
 
1. A delayed fluorescent compound of Formula:

OG Complex Work Unit Chemistry
wherein
X is oxygen (O) or-sulfur (S);
each of R1 to R6 is independently selected from the group consisting of hydrogen, a C1 to C20 alkyl group, a C1 to C20 alkoxy group, a C6 to C30 aryl group, a C5 to C30 heteroaryl group and a C1 to C20 amine group; and
n is 1.