US 12,250,881 B2
Photoelectric conversion element, imaging element, optical sensor, and compound
Tomoaki Yoshioka, Kanagawa (JP); Tomoyuki Mashiko, Kanagawa (JP); and Koichi Iwasaki, Kanagawa (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Jan. 11, 2021, as Appl. No. 17/145,412.
Application 17/145,412 is a continuation of application No. PCT/JP2019/027383, filed on Jul. 10, 2019.
Claims priority of application No. 2018-133583 (JP), filed on Jul. 13, 2018; and application No. 2018-217630 (JP), filed on Nov. 20, 2018.
Prior Publication US 2021/0135128 A1, May 6, 2021
Int. Cl. H10K 85/60 (2023.01); H10K 30/80 (2023.01); H10K 85/20 (2023.01)
CPC H10K 85/6572 (2023.02) [H10K 30/80 (2023.02); H10K 85/211 (2023.02)] 12 Claims
OG exemplary drawing
 
1. A photoelectric conversion element comprising, in the following order:
a conductive film;
a photoelectric conversion film; and
a transparent conductive film,
wherein the photoelectric conversion film contains a compound represented by Formula (2),

OG Complex Work Unit Chemistry
in Formula (2), A1 represents a ring which contains at least two carbon atoms and may have a substituent;
R1 and R2 each independently represent a hydrogen atom or a substituent;
Ra1 and Ra2 each independently represent a group represented by Formula (ZB), and
X1 and X4 each independently represent a nitrogen atom,
X2 and X3 each independently represent a nitrogen atom or —CRc1═,
where, Rc1 represents a hydrogen atom or a substituent, and
in a case where a plurality of Rc1's exist, the plurality of Rc1's may be bonded to each other to form a ring,

OG Complex Work Unit Chemistry
in Formula (ZB), T1 to T3 each independently represent —CRe12═ or a nitrogen atom, Re12 represents a hydrogen atom, an alkyl group, an aryl group, or a heteroaryl group,
Rf3 and Rf4 each independently represent an alkyl group, an aryl group, or a heteroaryl group, and
* represents a bonding position.