US 11,877,507 B2
Organic light emitting display device
Jungkeun Kim, Seoul (KR); Dohan Kim, Goyang-si (KR); Jeongdae Seo, Incheon (KR); Hyoseok Kim, Daejeon (KR); Heungwoo Choi, Daejeon (KR); and Wanpyo Hong, Daejeon (KR)
Assigned to LG Display Co., Ltd., Seoul (KR); and LG Chem, Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR); and LG Chem, Ltd., Seoul (KR)
Filed on Apr. 20, 2022, as Appl. No. 17/725,457.
Application 17/725,457 is a continuation of application No. 16/892,815, filed on Jun. 4, 2020, granted, now 11,349,079.
Application 16/892,815 is a continuation of application No. 16/842,486, filed on Apr. 7, 2020, granted, now 11,158,808, issued on Oct. 26, 2021.
Application 16/842,486 is a continuation of application No. 15/250,214, filed on Aug. 29, 2016, granted, now 10,658,593, issued on May 19, 2020.
Claims priority of application No. 10-2015-0171452 (KR), filed on Dec. 3, 2015; and application No. 10-2016-0057107 (KR), filed on May 10, 2016.
Prior Publication US 2022/0246855 A1, Aug. 4, 2022
Int. Cl. H10K 85/60 (2023.01); C07C 255/47 (2006.01); C07D 213/61 (2006.01); C09K 11/06 (2006.01); H10K 50/15 (2023.01); H10K 50/19 (2023.01); H10K 50/11 (2023.01); H10K 50/17 (2023.01); H10K 50/81 (2023.01); H10K 50/82 (2023.01); H10K 50/155 (2023.01)
CPC H10K 85/615 (2023.02) [C07C 255/47 (2013.01); C07D 213/61 (2013.01); C09K 11/06 (2013.01); H10K 50/15 (2023.02); H10K 50/19 (2023.02); H10K 85/621 (2023.02); H10K 85/652 (2023.02); H10K 85/654 (2023.02); C07C 2603/10 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); H10K 50/11 (2023.02); H10K 50/155 (2023.02); H10K 50/156 (2023.02); H10K 50/17 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An organic light emitting display device, comprising:
a first light emitting part between an anode and a cathode and including a first light emitting layer;
a second light emitting part between the first light emitting part and the cathode and including a second light emitting layer; and
a first charge generation layer including a first P-type charge generation layer between the first and second light emitting parts,
wherein the first P-type charge generation layer comprises a compound represented by Chemical Formula 1:

OG Complex Work Unit Chemistry
wherein R1 and R4 each independently includes one among hydrogen, an unsubstituted aryl group with 6 to 12 carbon atoms, an unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted alkyl group with 1 to 12 carbon atoms, a substituted alkoxy group with 1 to 12 carbon atoms, a substituted ether group with 2 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethoxy group, and a trimethylsilyl group,
wherein R2, R3, R5, and R6 each independently includes one among hydrogen, an aryl group with 6 to 12 carbon atoms unsubstituted or substituted with an alkoxy group or a trimethylsilyl group, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 1 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group,
wherein at least one of R2, R3, R5, and R6 includes one among a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 2 to 12 carbon atoms, and an aryl group with 6 to 12 carbon atoms substituted with an alkoxy group or a trimethylsilyl group,
wherein Z1 and Z2 are independently represented by the following Chemical Formula 2:

OG Complex Work Unit Chemistry
wherein A and B are independently one among a hydrogen atom, a substituted or unsubstituted aryl group with 6 to 12 carbon atoms, a substituted or unsubstituted heteroaryl group with 1 to 12 carbon atoms and 1 to 4 heteroatoms one among O, N, S, and Si, a substituted or unsubstituted alkyl group with 1 to 12 carbon atoms, a substituted or unsubstituted alkoxy group with 1 to 12 carbon atoms, a substituted or unsubstituted ether group with 2 to 12 carbon atoms, a cyano group, a fluorine group, a trifluoromethyl group, a trifluoromethoxy group, and a trimethylsilyl group, and
wherein Chemical Formula 2 attaches to the structure of Chemical Formula 1 at a carbon between A and B of Chemical Formula 2 through a double bond of Chemical Formula 1.