US 12,336,311 B2
Photoelectric conversion element, image pickup element, and image pickup apparatus
Satoru Shiobara, Hiratsuka (JP); Naoki Yamada, Inagi (JP); Tetsuo Takahashi, Kawasaki (JP); Jun Kamatani, Tokyo (JP); Yosuke Nishide, Kawasaki (JP); Hirokazu Miyashita, Ebina (JP); Tomona Yamaguchi, Tokyo (JP); Hironobu Iwawaki, Yokohama (JP); Hiroki Ohrui, Kawasaki (JP); Norifumi Kajimoto, Zama (JP); Masumi Itabashi, Yamato (JP); and Kentaro Ito, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on May 8, 2019, as Appl. No. 16/407,012.
Application 16/407,012 is a continuation of application No. PCT/JP2017/039722, filed on Nov. 2, 2017.
Claims priority of application No. 2016-220717 (JP), filed on Nov. 11, 2016; and application No. 2017-177880 (JP), filed on Sep. 15, 2017.
Prior Publication US 2019/0267411 A1, Aug. 29, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. H10F 39/12 (2025.01); H04N 25/63 (2023.01); H10F 30/223 (2025.01); H10K 30/00 (2023.01); H10K 30/20 (2023.01); H10K 39/00 (2023.01); H10K 39/32 (2023.01); H10K 85/30 (2023.01); H10K 99/00 (2023.01)
CPC H10F 39/12 (2025.01) [H04N 25/63 (2023.01); H10F 30/223 (2025.01); H10K 30/00 (2023.02); H10K 30/20 (2023.02); H10K 39/00 (2023.02); H10K 39/32 (2023.02); H10K 85/311 (2023.02); H10K 99/00 (2023.02); Y02E 10/549 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A photoelectric conversion element comprising:
an anode;
a cathode; and
a photoelectric conversion layer disposed between the anode and the cathode,
wherein the photoelectric conversion layer contains a first organic compound and a second organic compound, the oxidation potential of the first organic compound is lower than the oxidation potential of the second organic compound, ΔE denoted by formula (A) below satisfies formula (B) below,
ΔE=oxidation potential of first organic compound−reduction potential of second organic compound  (A)
ΔE≥1.5 [V]  (B)
and the first organic compound is denoted by formula [28] below,

OG Complex Work Unit Chemistry
in formula [28], R391 to R393, and R396 are selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted amino group, and a cyano group,
wherein R394 and R395 form a ring by bonding to each other, R391 and R392 may form a ring by bonding to each other, and R1 and R391 do not form a ring by bonding to each other,
wherein in general formula [28], R1 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted amino group, or a cyano group,
wherein Z1 represents any substituent denoted by general formulae [1-1] to [1-9] below, and
wherein in general formulae [1-1] to [1-9], each of R521 to R588 is selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted amino group, and a cyano group,

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry