US 12,295,256 B2
Light-emitting element, light-emitting device, electronic device, and lighting device
Takao Hamada, Kanagawa (JP); Hiromi Seo, Kanagawa (JP); Kanta Abe, Kanagawa (JP); Kyoko Takeda, Kanagawa (JP); and Satoshi Seo, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
Filed by Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
Filed on Oct. 4, 2023, as Appl. No. 18/376,537.
Application 18/376,537 is a continuation of application No. 17/345,430, filed on Jun. 11, 2021, granted, now 11,968,889.
Application 17/345,430 is a continuation of application No. 15/999,406, filed on Aug. 20, 2018, granted, now 11,043,637, issued on Jun. 22, 2021.
Application 15/999,406 is a continuation of application No. 15/228,557, filed on Aug. 4, 2016, granted, now 10,069,076, issued on Sep. 4, 2018.
Application 15/228,557 is a continuation of application No. 13/957,082, filed on Aug. 1, 2013, granted, now 9,412,962, issued on Aug. 9, 2016.
Prior Publication US 2024/0057474 A1, Feb. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/50 (2006.01); C07D 209/86 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/633 (2023.02) [C07D 209/86 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 85/342 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 85/615 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02)] 9 Claims
OG exemplary drawing
 
1. A light-emitting element comprising:
an anode,
a cathode,
a light-emitting layer comprising a first organic compound, a second organic compound, and an iridium complex between the anode and the cathode,
a first layer on the anode,
wherein the first layer comprises a third organic compound represented by General Formula (G0),

OG Complex Work Unit Chemistry
wherein Ar1 and Ar2 each independently represent a substituted or unsubstituted biphenyl group,
wherein a substituent of the substituted biphenyl group represents any one of an alkyl group having 1 to 10 carbon atoms, an unsubstituted phenyl group or a phenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, an unsubstituted biphenyl group or a biphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, and an unsubstituted terphenyl group or a terphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms,
wherein Ar3 represents a substituent including a 9-aryl-9H-carbazol-3-yl skeleton, and
wherein the aryl group of the 9-aryl-9H-carbazol-3-yl skeleton represents an unsubstituted phenyl group or a phenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, an unsubstituted biphenyl group or a biphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, an unsubstituted terphenyl group or a terphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms.
 
5. A light-emitting element comprising:
an anode,
a cathode,
a light-emitting layer comprising a first organic compound, a second organic compound, and an iridium complex between the anode and the cathode,
a first layer on the anode,
wherein the first layer comprises a halogen compound and a third organic compound represented by General Formula (G0),

OG Complex Work Unit Chemistry
wherein Ar1 and Ar2 each independently represent a substituted or unsubstituted biphenyl group,
wherein a substituent of the substituted biphenyl group represents any one of an alkyl group having 1 to 10 carbon atoms, an unsubstituted phenyl group or a phenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, an unsubstituted biphenyl group or a biphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, and an unsubstituted terphenyl group or a terphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms,
wherein Ar3 represents a substituent including a 9-aryl-9H-carbazol-3-yl skeleton,
wherein the aryl group of the 9-aryl-9H-carbazol-3-yl skeleton represents an unsubstituted phenyl group or a phenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, an unsubstituted biphenyl group or a biphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, an unsubstituted terphenyl group or a terphenyl group having as a substituent at least one alkyl group having 1 to 10 carbon atoms, and
wherein the halogen compound includes one of fluorine and chlorine.