Invention Grant
- Patent Title: Organic electroluminescent element and electronic device
-
Application No.: US17733306Application Date: 2022-04-29
-
Publication No.: US12022728B2Publication Date: 2024-06-25
- Inventor: Ryota Takahashi , Tomoki Kato , Hirokatsu Ito , Masahiro Kawamura , Masakazu Funahashi , Hiroyuki Saito , Yuichiro Kawamura , Yoshiaki Takahashi , Tetsuya Masuda , Hitoshi Kuma
- Applicant: IDEMITSU KOSAN CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP 16029057 2016.02.18
- Main IPC: H01L51/50
- IPC: H01L51/50 ; C07C211/61 ; C07D209/86 ; C07D213/16 ; C07D213/22 ; C07D231/56 ; C07D235/18 ; C07D237/08 ; C07D239/26 ; C07D239/74 ; C07D241/12 ; C07D251/24 ; C07D307/92 ; C07D333/74 ; C07D333/76 ; C07D471/04 ; C09K11/06 ; H10K85/60 ; H10K50/11 ; H10K50/15 ; H10K50/16 ; H10K50/165 ; H10K50/18 ; H10K71/00 ; H10K71/16 ; H10K101/00 ; H10K101/10 ; H10K102/00
Abstract:
The compound represented by formula (1):
wherein A, B, R1, and R2 are as defined in the description,
provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.
wherein A, B, R1, and R2 are as defined in the description,
provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.
Public/Granted literature
- US20220278283A1 ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE Public/Granted day:2022-09-01
Information query
IPC分类:
