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公开(公告)号：US20250072284A1
公开(公告)日：2025-02-27
申请号：US18766504
申请日：2024-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： CHANSEOK OH , TAEIL KIM , SUN YOUNG PAK , MinJae SUNG , MUN-KI SIM , Giwoong HAN
IPC: H10K85/60 , C07B59/00 , C09K11/06 , H10K101/20
Abstract: A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes a fused polycyclic compound represented by Formula 1 that may function as a dopant material. The fused ring core includes three aromatic rings connected to at least three heteroatoms, and includes a first linker connected to at least two substituents such as a polycyclic heteroaryl group and an electron-withdrawing group.
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公开(公告)号：US20250008839A1
公开(公告)日：2025-01-02
申请号：US18737752
申请日：2024-06-07
Applicant: Samsung Display Co., Ltd.
Inventor： CHANSEOK OH , TAEIL KIM , SUN YOUNG PAK , JUNHA PARK , MinJae SUNG , MUN-KI SIM , MINJUNG JUNG , Giwoong HAN , Seonhyoung HUR
Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound having two N atoms and a B atom fused to three aromatic rings, and at least one sterically bulky substituent. The shape of the polycyclic compound may reduce intermolecular interactions and provide material and chemical stability.
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公开(公告)号：US20240407263A1
公开(公告)日：2024-12-05
申请号：US18640976
申请日：2024-04-19
Applicant: Samsung Display Co., Ltd.
Inventor： TAEIL KIM , SUN YOUNG PAK , JUNHA PARK , MinJae SUNG , MUN-KI SIM , CHANSEOK OH , MINJUNG JUNG , Giwoong HAN , Seonhyoung HUR
IPC: H10K85/60 , C07F5/02 , C09K11/06 , H10K50/12 , H10K101/00
Abstract: A light-emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The light-emitting layer includes a fused polycyclic compound having a pentacyclic core that includes three aromatic rings fused by one boron and two nitrogen atoms. A first substituent that excludes hydrogen and deuterium is connected to the pentacyclic core at an ortho-position of the boron.
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公开(公告)号：US20240180033A1
公开(公告)日：2024-05-30
申请号：US18347814
申请日：2023-07-06
Applicant: Samsung Display Co., Ltd.
Inventor： CHANSEOK OH , SUN YOUNG PAK , JUNHA PARK , Kyoung SUNWOO , MUN-KI SIM
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
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 or a third compound represented by Formula ET, thereby exhibiting low voltage, high efficiency, and long service life characteristics. Formulas 1, HT, and ET are each explained in the specification.
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公开(公告)号：US20240130235A1
公开(公告)日：2024-04-18
申请号：US18369053
申请日：2023-09-15
Applicant: Samsung Display Co., Ltd.
Inventor： CHANSEOK OH , TAEIL KIM , JANG YEOL BAEK , MINJAE SUNG , MINJUNG JUNG , SEONHYOUNG HUR
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
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 and at least one of a second compound or a third compound. The first compound may be represented by Formula 1, the second compound may be represented by Formula HT-1, and the third compound may be represented by Formula ET-1. Accordingly, a light emitting element of an embodiment may exhibit excellent or suitable light efficiency.
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Patent Agency Ranking
公开(公告)号：US20230309401A1
公开(公告)日：2023-09-28
申请号：US18089887
申请日：2022-12-28
Applicant: Samsung Display Co., Ltd.
Inventor： TAEIL KIM , SUN YOUNG PAK , JUNHA PARK , JANG YEOL BAEK , Kyoung SUNWOO , MUN-KI SIM , CHANSEOK OH , MINJUNG JUNG
CPC classification number: H10K85/658 , H10K85/6572 , H10K85/654 , H10K85/346 , C09K11/06 , H10K85/40 , H10K50/12
Abstract: Embodiments provide a light emitting device that 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 first compound represented by Formula 1; and at least one of a second compound, a third compound 3, and a fourth compound, thereby showing improved emission efficiency and device life.
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公开(公告)号：US20230270006A1
公开(公告)日：2023-08-24
申请号：US18111495
申请日：2023-02-17
Applicant: Samsung Display Co., Ltd.
Inventor： CHANSEOK OH , TAEIL KIM , JUNHA PARK , JANG YEOL BAEK , MinJae SUNG , MINJUNG JUNG
CPC classification number: H10K85/658 , H10K85/6572 , H10K85/652 , C07F5/027 , H10K85/631 , H10K85/636 , H10K50/11 , H10K85/346 , C07B2200/05
Abstract: A light emitting element (that includes a first electrode, a second electrode, and an emission layer which is between the first electrode and the second electrode and includes a compound represented by Formula 1) is provided. The light emitting element concurrently (e.g., simultaneously) exhibits a high efficiency and a long service life characteristic.
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公开(公告)号：US20230141820A1
公开(公告)日：2023-05-11
申请号：US17862923
申请日：2022-07-12
Applicant: Samsung Display Co., Ltd.
Inventor： MI EUN JUN , SERAN KIM , CHANSEOK OH
CPC classification number: H01L51/008 , H01L51/0075 , H01L51/0067 , H01L51/0087 , H01L51/006 , C07F5/027 , C09K11/06 , C09K2211/1014 , H01L51/5028
Abstract: A light emitting element according to an embodiment 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 includes a first compound, and at least one of a second compound, a third compound, and a fourth compound. The first compound is represented by Formula 1, the second compound is represented by Formula HT-1, the third compound is represented by Formula ET-1, and the fourth compound is represented by Formula M-b. Accordingly, the light emitting element has decreased driving voltage and improved efficiency.
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公开(公告)号：US20230130170A1
公开(公告)日：2023-04-27
申请号：US17937762
申请日：2022-10-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyoyoung LEE , Soo-Byung KO , JUNHA PARK , Han Kyu PAK , Jang Yeol BAEK , Mun-Ki SIM , CHANSEOK OH
Abstract: An light emitting device of the present embodiments includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one 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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公开(公告)号：US20230019844A1
公开(公告)日：2023-01-19
申请号：US17703060
申请日：2022-03-24
Applicant: Samsung Display Co., Ltd.
Inventor： MUN-KI SIM , TAEIL KIM , SUN YOUNG PAK , JUNHA PARK , JANG YEOL BAEK , Kyoung SUNWOO , CHANSEOK OH , MINJUNG JUNG
Abstract: A light emitting device 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 fused polycyclic compound represented by Formula 1.
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