-
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.
-
2.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:
-
4.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.
-
5.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:
-
Patent Agency Ranking
公开(公告)号：US20210273165A1
公开(公告)日：2021-09-02
申请号：US17023969
申请日：2020-09-17
Applicant: Samsung Display Co., LTD.
Inventor： Hirokazu KUWABARA , Ryuhei FURUE
Abstract: An organic electroluminescence device exhibiting high light emission efficiency is provided, which 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 may include a nitrogen-containing compound represented by Formula 1:
-
7.发明申请公开(公告)号：US20210036227A1
公开(公告)日：2021-02-04
申请号：US16881872
申请日：2020-05-22
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Ryuhei FURUE
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1 below, and shows high emission efficiency:
-
公开(公告)号：US20240268229A1
公开(公告)日：2024-08-08
申请号：US18490682
申请日：2023-10-19
Applicant: Samsung Display Co., Ltd.
Inventor： Keigo HOSHI , Ryuhei FURUE , Yoshiro SUGITA
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
Abstract: A light emitting element may include a first electrode, a second electrode on the first electrode, at least one functional layer which is disposed between the first electrode and the second electrode and includes a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one electron-withdrawn group at the meta position with respect to the boron atom in the fused ring core of the fused polycyclic compound.
-
公开(公告)号：US20240215446A1
公开(公告)日：2024-06-27
申请号：US18469628
申请日：2023-09-19
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Yoshiro SUGITA
CPC classification number: H10K85/658 , C09K11/06 , H10K85/6572 , C07B2200/05 , H10K2101/20
Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1, and at least one of a second compound represented by Formula HT and a third compound represented by Formula ET, and wherein Formula 1, Formula HT, and Formula ET are each explained in the specification.
-
公开(公告)号：US20230232702A1
公开(公告)日：2023-07-20
申请号：US17955013
申请日：2022-09-28
Applicant: Samsung Display Co., Ltd.
Inventor： Ryuhei FURUE , Yoshiro SUGITA
CPC classification number: H01L51/008 , H01L51/0072 , H01L51/0067 , H01L51/0087 , C07F5/027 , C09K11/06 , H01L51/5012
Abstract: A light emitting element 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. The emission layer may include a first compound represented by Formula 1, and at least one of a second compound, a third compound, and a fourth compound. The light emitting element including the first compound represented by Formula 1 exhibits high efficiency and a long lifespan.
-
-
-
-
-
-
-
-
-
Search Results
35
records
(took 0.018 seconds)
