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公开(公告)号：US12302754B2
公开(公告)日：2025-05-13
申请号：US17301508
申请日：2021-04-05
Applicant: Samsung Display Co., Ltd.
Inventor： Hankyu Pak , Seran Kim , Munki Sim , Minjung Jung
Abstract: Provided is a condensed cyclic compound represented by Formula 1 and a light-emitting device including the same wherein Formula 1 is as described in the detailed description of the present specification. The light-emitting device includes: a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a second capping layer located outside the second electrode and having a refractive index of 1.6 or more, wherein the emission layer includes at least one of the condensed cyclic compound represented by Formula 1.
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公开(公告)号：US12279515B2
公开(公告)日：2025-04-15
申请号：US17446894
申请日：2021-09-03
Applicant: Samsung Display Co., Ltd.
Inventor： Taeil Kim , Mun-Ki Sim , Sun Young Pak , Junha Park , Jang Yeol Baek , Kyoung Sunwoo , Chanseok Oh , Minjung Jung
Abstract: A light emitting device of an embodiment includes oppositely disposed first electrode and second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency. In Formula 1, the substituents are the same as defined in the Detailed Description.
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公开(公告)号：US20240341188A1
公开(公告)日：2024-10-10
申请号：US18610579
申请日：2024-03-20
Applicant: Samsung Display Co., Ltd.
Inventor： Taeil Kim , Junha Park , Sunyoung Pak , Jangyeol Baek , Kyoung Sunwoo , Munki Sim , Minjung Jung
IPC: H10K85/60 , C07F5/02 , C09K11/06 , H10K50/12 , H10K101/30
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , C09K2211/1018 , H10K50/12 , H10K2101/30
Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device including the condensed cyclic compound, an electronic apparatus including the light-emitting device, and an electronic equipment including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the condensed cyclic compound. The condensed cyclic compound satisfies Expression 1, which is explained in the specification:
E
(
S
1
)
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E
(
T
2
)
>
E
(
T
2
)
-
E
(
T
1
)
.
[
Expression
1
]-
公开(公告)号：US20240270761A1
公开(公告)日：2024-08-15
申请号：US18470296
申请日：2023-09-19
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoung Sunwoo , Taeil Kim , Sunyoung Pak , Junha Park , Jangyeol Baek , Minjae Sung , Munki Sim , Chanseok Oh , Minjung Jung , Seonhyoung Hur
CPC classification number: C07F5/02 , C09K11/06 , H10K50/11 , H10K85/658 , C09K2211/1018
Abstract: A method of preparing a heterocyclic compound represented by Formula 1, the method includes preparing a first reactant, preparing a second reactant represented by Formula 2-2, and preparing an intermediate compound by mixing the first reactant and the second reactant with i) a copper catalyst, ii) a base, and optionally, iii) an auxiliary solvent, to allow the first reactant and the second reactant to react, wherein the first reactant is a compound represented by Formula 2-1a, and the intermediate compound is a compound represented by Formula 2-3a, or the first reactant is a compound represented by Formula 2-1b, and the intermediate compound is a compound represented by Formula 2-3b:
wherein more details of Formulae 1, 2-1a, 2-1b, 2-2, 2-3a, and 2-3b are as described herein.-
公开(公告)号：US11758801B2
公开(公告)日：2023-09-12
申请号：US17176714
申请日：2021-02-16
Applicant: Samsung Display Co., Ltd.
Inventor： Hyoyoung Lee , Hankyu Pak , Taeil Kim , Sun Young Pak , Jang Yeol Baek , Minjung Jung
IPC: H01L51/00 , H10K85/30 , C07F5/02 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/10
CPC classification number: H10K85/322 , C07F5/027 , C09K11/06 , C09K2211/1018 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K2101/10
Abstract: An organic electroluminescence device of an embodiment includes a first electrode facing a second electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.
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Patent Agency Ranking
6.发明授权公开(公告)号：US11581492B2
公开(公告)日：2023-02-14
申请号：US16998842
申请日：2020-08-20
Applicant: Samsung Display Co., Ltd.
Inventor： Chanseok Oh , Seokhwan Hwang , Junha Park , Hankyu Pak , Mun-Ki Sim , Hyoyoung Lee , Minjung Jung
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, and the emission layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device may exhibit high luminous efficiency and/or service life characteristics:
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公开(公告)号：US12284905B2
公开(公告)日：2025-04-22
申请号：US17449220
申请日：2021-09-28
Applicant: Samsung Display Co., Ltd.
Inventor： Junha Park , Taeil Kim , Sun Young Pak , Jang Yeol Baek , Kyoung Sunwoo , Mun-Ki Sim , Chanseok Oh , Minjung Jung
IPC: H10K85/30 , C07F5/02 , C09K11/06 , H10K50/11 , H10K101/10
Abstract: Provided is a light emitting device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer may include a condensed cyclic compound represented by Formula 1 below, thereby exhibiting high luminous efficiency and improved service life characteristics.
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公开(公告)号：US20250107442A1
公开(公告)日：2025-03-27
申请号：US18888329
申请日：2024-09-18
Applicant: Samsung Display Co., Ltd.
Inventor： Taeil Kim , Hirokazu Miyashita , Sunyoung Pak , Junha Park , Minjae Sung , Munki Sim , Chihyun Ryoo , Minjung Jung , Seonhyoung Hur
Abstract: Embodiments provide a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the heterocyclic compound. The heterocyclic compound is represented by Formulae 1A or 1B, which is explained in the specification:
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9.发明公开公开(公告)号：US20240247006A1
公开(公告)日：2024-07-25
申请号：US18541784
申请日：2023-12-15
Applicant: Samsung Display Co., Ltd.
Inventor： Chanseok Oh , Sunyoung Pak , Kyoung Sunwoo , Munki Sim , Minjung Jung
CPC classification number: C07F5/027 , C09K11/06 , H10K50/12 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K85/658 , C07B2200/05
Abstract: A heterocyclic compound, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device. Utlization of the heterocyclic compound in the organic light-emitting device may enhance or improve the operating characteristics of the device, such as driving voltage, luminance, luminescence efficiency, and/or lifespan.
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10.发明公开公开(公告)号：US20240224801A1
公开(公告)日：2024-07-04
申请号：US18610157
申请日：2024-03-19
Applicant: Samsung Display Co., LTD.
Inventor： Junha Park , Seokhwan Hwang , Sunyoung Pak , Jangyeol Baek , Munki Sim , Hyoyoung Lee , Minjung Jung
CPC classification number: H10K85/6572 , G02B5/20 , H01L33/50 , H10K85/636 , H10K50/15 , H10K50/16 , H10K50/171 , H10K50/18
Abstract: Provided are a light-emitting device including a condensed cyclic compound represented by Formula 1 and an electronic apparatus including the light-emitting device, where Formula 1 is the same as described in the present specification. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode, and emission layer including at least one of the condensed cyclic compound represented by Formula 1.
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