US 11,917,844 B2
Organic EL element, and display apparatus, illumination apparatus, and moving object including the same
Itaru Takaya, Kanagawa (JP); Naoki Yamada, Tokyo (JP); Takayuki Ito, Kanagawa (JP); and Hirokazu Miyashita, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Oct. 22, 2020, as Appl. No. 17/077,991.
Application 17/077,991 is a continuation of application No. PCT/JP2019/016098, filed on Apr. 15, 2019.
Claims priority of application No. 2018-085873 (JP), filed on Apr. 26, 2018.
Prior Publication US 2021/0057665 A1, Feb. 25, 2021
Int. Cl. H10K 50/13 (2023.01); H05B 33/02 (2006.01); H10K 50/11 (2023.01); H10K 101/40 (2023.01)
CPC H10K 50/13 (2023.02) [H05B 33/02 (2013.01); H10K 50/11 (2023.02); H10K 2101/40 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An organic EL element comprising a first electrode, a second electrode, and a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer that are disposed between the first electrode and the second electrode,
the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer each containing a host material and a light-emitting material,
wherein the first light-emitting layer is a light-emitting layer that emits red light and green light,
the second light-emitting layer is a light-emitting layer that emits blue light, and
the third light-emitting layer is a light-emitting layer that emits green light.