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公开(公告)号:US20230117263A1
公开(公告)日:2023-04-20
申请号:US17837330
申请日:2022-06-10
Applicant: Samsung Display Co., Ltd.
Inventor: EUNSOO AHN , SOO-BYUNG KO , SUNGBUM KIM , EUNYOUNG LEE , JAESUNG LEE , JINHEE JU
Abstract: A light emitting 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 an organometallic compound represented by Formula 1, thereby showing long life and high efficiency.
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公开(公告)号:US20250126964A1
公开(公告)日:2025-04-17
申请号:US18656593
申请日:2024-05-06
Applicant: Samsung Display Co., LTD.
Inventor: EUNYOUNG LEE , SOO-BYUNG KO , SUJIN SHIN , SEIHWAN AHN , HYUNJUNG LEE , JUNGHOON HAN
Abstract: Provided is a light emitting element that may include a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer may include a first compound represented by Formula 1 and exhibit low driving voltage and improved luminous efficiency characteristics.
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公开(公告)号:US20230269998A1
公开(公告)日:2023-08-24
申请号:US18148324
申请日:2022-12-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: EUNYOUNG LEE , ILJOON KANG , SOO-BYUNG KO , SUNGBUM KIM , SUJIN SHIN , MINA JEON
CPC classification number: H10K85/341 , H10K85/40 , C07F15/006 , C09K11/06 , H10K50/12
Abstract: A light emitting element that includes 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 an organometallic compound represented by Formula 1. The light emitting element has a reduced driving voltage, emits light having an increased color purity, and exhibits a high efficiency and a long lifespan.
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公开(公告)号:US20230232704A1
公开(公告)日:2023-07-20
申请号:US17992764
申请日:2022-11-22
Applicant: Samsung Display Co., Ltd. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
Inventor: JUNGHOON HAN , Yun-Hi KIM , Soon-Ki KWON , SOO-BYUNG KO , Gyeong Seok LEE
CPC classification number: H01L51/0087 , H01L51/0094 , H01L51/0072 , H01L51/0073 , H01L51/0067 , H01L51/0074 , H01L51/0064 , C07F15/0086 , C07B2200/05
Abstract: A light emitting device that includes a first electrode, a second electrode oppositely disposed to the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes an organometallic compound represented by Formula 1:
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公开(公告)号:US20220199918A1
公开(公告)日:2022-06-23
申请号:US17447249
申请日:2021-09-09
Applicant: Samsung Display Co., Ltd.
Inventor: EUNSOO AHN , SOO-BYUNG KO , HAEJIN KIM , SUJIN SHIN , HYUNJUNG LEE , JUNGHOON HAN
Abstract: An organic electroluminescence device is provided and including 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 may include an organometallic compound, thereby exhibiting high luminous efficiency and long service life characteristics.
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公开(公告)号:US20230189630A1
公开(公告)日:2023-06-15
申请号:US17949007
申请日:2022-09-20
Applicant: Samsung Display Co., Ltd.
Inventor: HYUNJUNG LEE , SOO-BYUNG KO , SUNGBUM KIM , SEIHWAN AHN , EUNSOO AHN , EUNYOUNG LEE , JAESUNG LEE
CPC classification number: H01L51/0087 , C07F15/006 , H01L51/5024 , H01L51/5036 , C07B2200/05
Abstract: A light emitting element that includes a first electrode, a second, and an emission layer between the first electrode and the second electrode and including an organometallic compound represented by Formula 1 is provided. The light emitting element has a high emission efficiency, high color purity properties and long-life characteristics.
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公开(公告)号:US20220320447A1
公开(公告)日:2022-10-06
申请号:US17541130
申请日:2021-12-02
Applicant: Samsung Display Co., Ltd.
Inventor: JUNGHOON HAN , SOO-BYUNG KO , SUNGBUM KIM , SUJIN SHIN , EUNSOO AHN , JAESUNG LEE
Abstract: An organic electroluminescence device including 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 may include an organometallic compound represented by Formula 1 to thereby exhibit a long service life and/or high efficiency:
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