-
公开(公告)号：US20240215445A1
公开(公告)日：2024-06-27
申请号：US18451634
申请日：2023-08-17
Applicant: Samsung Display Co., Ltd.
Inventor： Yuuki MIYAZAKI , Hirokazu KUWABARA , Ryuhei FURUE , Yoshiro SUGITA , Yuji SUZAKI
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , C09K2211/1018 , H10K50/12
Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and a functional layer disposed between the first electrode and the second electrode, wherein the functional layer includes a first compound represented by Formula 1 below:
In Formula 1, the substituents are the same as defined in the Detailed Description.-
2.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.
-
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a fused polycyclic compound represented by Formula 1, the fused polycyclic compound including at least one electron-withdrawn group at the meta position with respect to the boron atom in the fused ring core of the fused polycyclic compound.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.
-
Patent Agency Ranking
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.
-
公开(公告)号：US20240138263A1
公开(公告)日：2024-04-25
申请号：US18469108
申请日：2023-09-18
Applicant: Samsung Display Co., LTD.
Inventor： Makoto YAMAMOTO , Keigo HOSHI , Yuji SUZAKI , Hirokazu KUWABARA , Nobutaka AKASHI , Ryuhei FURUE , Toshiyuki MATSUURA , Yoshiro SUGITA , Yuma AOKI , Yuuki MIYAZAKI
CPC classification number: H10K85/658 , C09K11/06 , H10K85/631 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K2101/20
Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.
-
公开(公告)号：US20230263047A1
公开(公告)日：2023-08-17
申请号：US17988637
申请日：2022-11-16
Applicant: Samsung Display Co., Ltd.
Inventor： Yoshiro SUGITA , Keigo HOSHI , Ryuhei FURUE
CPC classification number: H01L51/008 , C07F5/027 , C09K11/06 , H01L51/5012
Abstract: A light emitting element includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode and including a polycyclic compound represented by Formula 1 below, thereby showing high emission efficiency. The substituents of Formula 1 are the same as defined in the detailed descriptions.
-
公开(公告)号：US20230225208A1
公开(公告)日：2023-07-13
申请号：US18146164
申请日：2022-12-23
Applicant: Samsung Display Co., Ltd.
Inventor： Keigo HOSHI , Ryuhei FURUE , Yoshiro SUGITA
CPC classification number: H10K85/658 , H10K50/11 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K85/631 , H10K85/657 , C07F5/027 , H10K2101/20
Abstract: Provided is a light emitting element includes a polycyclic compound in which an electron donor substituent, which may increase the photoluminescence quantum yield (PLQY) and oscillator strength (f), is introduced at the para-position of a boron atom, thereby exhibiting high efficiency and long service life characteristics.
-
9.发明申请公开(公告)号：US20210175423A1
公开(公告)日：2021-06-10
申请号：US16998920
申请日：2020-08-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hirokazu KUWABARA , Yoshiro SUGITA , Ryuhei FURUE
Abstract: An organic electroluminescence device of an embodiment of the present disclosure 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 polycyclic compound represented by Formula 1 to thereby exhibit high luminous efficiency:
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.032 seconds)
