公开(公告)号：US20230099759A1

公开(公告)日：2023-03-30

申请号：US17786789

申请日：2020-12-18

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Michelle GROARKE ,  Heinz WOLLEB ,  Natalia CHEBOTAREVA

IPC: H01L51/00 ,  C07D495/04 ,  C07D491/04

Abstract: An organic electroluminescence device includes an anode, a cathode, and one or more organic thin film layers including an emitting layer disposed between the cathode and the anode. Also, the organic thin film layer includes an electron-transporting zone provided between the emitting layer and the cathode. The organic thin film layer contains at least one compound of the polycyclic compound (Ia) or (Ib):

公开(公告)号：US20220251086A1

公开(公告)日：2022-08-11

申请号：US17666850

申请日：2022-02-08

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Heinz WOLLEB ,  Michelle GROARKE ,  Masato MITANI ,  Natalia CHEBOTAREVA

IPC: C07D487/00 ,  H01L51/00 ,  C07D498/04 ,  C07D513/04

Abstract: Specific compounds represented by formula (1), a material for an organic electroluminescence device comprising said specific compound, an organic electroluminescence device comprising said specific compound, an electronic equipment comprising said organic electroluminescence device and the use of said compounds in an organic electroluminescence device.

公开(公告)号：US20200381628A1

公开(公告)日：2020-12-03

申请号：US16488500

申请日：2018-02-23

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Yumiko MIZUKI ,  Francois RIME ,  Natalia CHEBOTAREVA ,  Hideaki NAGASHIMA

IPC: H01L51/00 ,  C07D491/048 ,  C09K11/06

Abstract: The present invention relates to a compound of formula (I), wherein R1, R2, R3 and R4 are each independently hydrogen or Ra, with proviso that a pair of two substituents selected from R1 and R2, R2 and R3, and R3 and R4 is linked to one another and forms a group of formula (II); a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer be-tween an anode and a cathode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); and an electronic equipment comprising the inventive organic electroluminescence device.