	US 12,490,650 B2
	Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device
Harue Osaka, Kanagawa (JP); Takahiro Ushikubo, Kanagawa (JP); Nobuharu Ohsawa, Kanagawa (JP); Satoshi Seo, Kanagawa (JP); and Tsunenori Suzuki, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., (JP)
Filed by Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken (JP)
Filed on May 2, 2024, as Appl. No. 18/653,569.
Application 14/605,286 is a division of application No. 13/474,104, filed on May 17, 2012, granted, now 8,940,416, issued on Jan. 27, 2015.
Application 18/653,569 is a continuation of application No. 18/200,370, filed on May 22, 2023, granted, now 11,980,087.
Application 18/200,370 is a continuation of application No. 17/065,762, filed on Oct. 8, 2020, granted, now 11,678,568, issued on Jun. 13, 2023.
Application 17/065,762 is a continuation of application No. 15/399,408, filed on Jan. 5, 2017, granted, now 10,804,471, issued on Oct. 13, 2020.
Application 15/399,408 is a continuation of application No. 14/605,286, filed on Jan. 26, 2015, granted, now 9,540,315, issued on Jan. 10, 2017.
Application 13/474,104 is a continuation of application No. 12/464,506, filed on May 12, 2009, granted, now 8,182,933, issued on May 22, 2012.
Claims priority of application No. 2008-129991 (JP), filed on May 16, 2008; application No. 2008-300827 (JP), filed on Nov. 26, 2008; and application No. 2009-022314 (JP), filed on Feb. 3, 2009.
Prior Publication US 2024/0373746 A1, Nov. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 51/50 (2006.01); C07C 211/54 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/14 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/19 (2023.01); H10K 59/32 (2023.01); H10K 101/10 (2023.01)

CPC H10K 85/633 (2023.02) [C07C 211/54 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H05B 33/14 (2013.01); H10K 85/342 (2023.02); H10K 85/626 (2023.02); H10K 85/631 (2023.02); H10K 85/636 (2023.02); C07C 2601/14 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/14 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/19 (2023.02); H10K 59/32 (2023.02); H10K 85/615 (2023.02); H10K 85/6572 (2023.02); H10K 2101/10 (2023.02); Y10S 428/917 (2013.01)]

18 Claims

2. A light-emitting device comprising:

a first electrode;

a second electrode;

a light-emitting layer between the first electrode and the second electrode; and

a layer comprising a compound between the first electrode and the light-emitting layer,

wherein the light-emitting layer comprises a phosphorescent light-emitting substance having an emission wavelength of 470 nm or more,

wherein the layer is in contact with the light-emitting layer,

wherein the compound is represented by a general formula (G1),

wherein Ar represents any one of substituents represented by structural formulae (Ar-1) to (Ar-4),

wherein α represents a first naphthyl group,

wherein when the first naphthyl group has a substituent, the substituent is an alkyl group having 1 to 6 carbon atoms or a phenyl group,

wherein β represents hydrogen or a second naphthyl group,

wherein when the second naphthyl group has a substituent, the substituent is an alkyl group having 1 to 6 carbon atoms or a phenyl group,

wherein n and m each independently represent 1 or 2, and

wherein R¹to R⁸each independently represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a phenyl group.

3. A light-emitting device comprising: