-
公开(公告)号：US20250151618A1
公开(公告)日：2025-05-08
申请号：US18672181
申请日：2024-05-23
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA
IPC: H10K85/60 , C07B59/00 , C09K11/06 , G02F1/1335 , H10K50/115 , H10K85/30 , H10K85/40
Abstract: Embodiments provide a fused polycyclic compound and a light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode and including the fused polycyclic compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification:
-
公开(公告)号：US20240260292A1
公开(公告)日：2024-08-01
申请号：US18529142
申请日：2023-12-05
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Keigo HOSHI , Ryuhei FURUE
CPC classification number: H10K50/11 , C07F5/02 , C09K11/06 , H10K85/346 , H10K85/658 , C07B2200/05
Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby exhibiting long service life characteristics. Formula 1 is explained in the specification.
-
3.发明申请公开(公告)号：US20210313521A1
公开(公告)日：2021-10-07
申请号：US17085124
申请日：2020-10-30
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA
IPC: H01L51/00
Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound having a fused ring system and represented by Formula 1 to achieve high efficiency and improved efficiency drop characteristics in an emission wavelength range:
-
公开(公告)号：US20210126202A1
公开(公告)日：2021-04-29
申请号：US16928610
申请日：2020-07-14
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA , Nobutaka AKASHI
IPC: H01L51/00
Abstract: An organic electroluminescence device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 to achieve high efficiency and an improved efficiency drop in a deep blue emission wavelength region:
-
公开(公告)号：US20230143071A1
公开(公告)日：2023-05-11
申请号：US17815120
申请日：2022-07-26
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Ryuhei FURUE , Yuma AOKI , Yuuki MIYAZAKI
CPC classification number: C07F5/027 , H01L51/008 , H01L51/0071 , H01L51/0072 , H01L51/0074 , H01L51/0059 , H01L51/006 , H01L51/0067 , H01L51/5024 , C07B2200/05
Abstract: Provided is a light emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a host and a dopant, and the host includes a compound represented by Formula E-2a or Formula E-2b, and the dopant includes a fused polycyclic compound represented by Formula 1.
-
Patent Agency Ranking
公开(公告)号：US20230120766A1
公开(公告)日：2023-04-20
申请号：US17834464
申请日：2022-06-07
Applicant: Samsung Display Co., Ltd.
Inventor： Yuji SUZAKI , Hirokazu KUWABARA , Ryuhei FURUE , Tetuji HAYANO
Abstract: A light emitting device includes an emission layer disposed between electrodes. The emission layer includes a host and a delayed fluorescence dopant. The delayed fluorescence dopant includes a fused polycyclic compound represented by Formula 1:
-
7.发明申请公开(公告)号：US20220123214A1
公开(公告)日：2022-04-21
申请号：US17397406
申请日：2021-08-09
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Ryuhei FURUE , Yuji SUZAKI
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby exhibiting high emission efficiency.
-
8.发明申请公开(公告)号：US20220246850A1
公开(公告)日：2022-08-04
申请号：US17532117
申请日：2021-11-22
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Hirokazu KUWABARA , Yoshiro SUGITA , Yuji SUZAKI , Yuma AOKI
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency.
-
9.发明申请公开(公告)号：US20210376249A1
公开(公告)日：2021-12-02
申请号：US17186629
申请日：2021-02-26
Applicant: Samsung Display Co., Ltd.
Inventor： Nobutaka AKASHI , Hirokazu KUWABARA
Abstract: An organic electroluminescence device of one or more embodiments includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer and a second electrode disposed on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency: wherein Y is O or S.
-
10.发明申请公开(公告)号：US20210273174A1
公开(公告)日：2021-09-02
申请号：US17089268
申请日：2020-11-04
Applicant: Samsung Display Co., LTD.
Inventor： Hirokazu KUWABARA , Nobutaka AKASHI , Ryuhei FURUE
Abstract: An organic electroluminescence device having high light emission efficiency is provided, which includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a polycyclic compound represented by Formula 1:
-
-
-
-
-
-
-
-
-
Search Results
31
records
(took 0.025 seconds)
