US 12,232,420 B2
Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
Miki Kurihara, Kanagawa (JP); Hideko Yoshizumi, Kanagawa (JP); Satomi Watabe, Kanagawa (JP); Hiromitsu Kido, 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 Nov. 7, 2022, as Appl. No. 17/981,689.
Application 17/981,689 is a continuation of application No. 16/493,842, granted, now 11,495,753, previously published as PCT/IB2018/051455, filed on Mar. 7, 2018.
Claims priority of application No. 2017-051536 (JP), filed on Mar. 16, 2017.
Prior Publication US 2023/0112454 A1, Apr. 13, 2023
Int. Cl. H01L 51/00 (2006.01); C07D 491/048 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 59/12 (2023.01); H10K 71/16 (2023.01)
CPC H10K 85/6576 (2023.02) [C07D 491/048 (2013.01); H10K 85/657 (2023.02); H10K 50/11 (2023.02); H10K 59/12 (2023.02); H10K 71/164 (2023.02)] 13 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a pair of electrodes; and
a light-emitting layer between the pair of electrodes,
wherein the light-emitting layer comprises a first organic compound, a second organic compound, and a light-emitting substance,
wherein the first organic compound and the second organic compound form an exciplex,
wherein the first organic compound is represented by General Formula (G2):

OG Complex Work Unit Chemistry
wherein α represents a substituted or unsubstituted phenylene group,
wherein n represents an integer of 0 to 4,
wherein Htuni comprises a pyrrole ring structure, a furan ring structure, or a thiophene ring structure,
wherein Q represents oxygen or sulfur, and
wherein the ring X represents a substituted or unsubstituted naphthalene ring or a substituted or unsubstituted phenanthrene ring.