US 11,930,703 B2
Organic compound, light-emitting element, light-emitting device, electronic device, display device, and lighting device
Kyoko Takeda, Kanagawa (JP); Harue Osaka, Kanagawa (JP); Satoshi Seo, Kanagawa (JP); Tsunenori Suzuki, Kanagawa (JP); Naoaki Hashimoto, Kanagawa (JP); and Yusuke Takita, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
Appl. No. 16/486,181
Filed by SEMICONDUCTOR ENERGY LABORATORY CO., LTD., Atsugi (JP)
PCT Filed Mar. 8, 2018, PCT No. PCT/IB2018/051496
§ 371(c)(1), (2) Date Aug. 15, 2019,
PCT Pub. No. WO2018/167612, PCT Pub. Date Sep. 20, 2019.
Claims priority of application No. 2017-053054 (JP), filed on Mar. 17, 2017.
Prior Publication US 2019/0393420 A1, Dec. 26, 2019
Int. Cl. H10K 85/60 (2023.01); C07D 493/04 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/636 (2023.02) [C07D 493/04 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] 9 Claims
OG exemplary drawing
 
1. A light-emitting element comprising:
a pair of electrodes; and
a light-emitting layer between the pair of electrodes, the light-emitting layer comprising a light-emitting substance and a host material,
wherein the light-emitting substance comprises an organic compound having a molecular weight of less than or equal to 5000 and represented by General Formula (G1):

OG Complex Work Unit Chemistry
wherein X1 and X2 independently represent an oxygen atom or a sulfur atom,
wherein at least one of R1 to R12 represents a substituent having 6 to 100 carbon atoms,
wherein the others of R1 to R12 independently represent hydrogen or a substituent having 1 to 25 carbon atoms,
wherein the substituent having 6 to 100 carbon atoms is a substituent represented by General Formula (g2):

OG Complex Work Unit Chemistry
and
wherein R40 to R43 and R45 to R49 independently represent hydrogen, an aliphatic hydrocarbon group having 1 to 10 carbon atoms, an alicyclic hydrocarbon group having 3 to 20 carbon atoms, an aromatic hydrocarbon group having 6 to 25 carbon atoms, or a heterocyclic group having 1 to 25 carbon atoms.