公开(公告)号：US11043646B2

公开(公告)日：2021-06-22

申请号：US15134956

申请日：2016-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghun Lee ,  Seulong Kim ,  Illsoo Park ,  Hyosup Shin ,  Sunwoo Kang ,  Eunkyung Koh ,  Minkyung Kim ,  Taekyung Kim ,  Jaeyong Lee

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device including: a first electrode, a hole transport region including a first hole transport layer (HTL), an emission layer, an electron transport region; and a second electrode; wherein the first HTL includes a first compound and a second compound, the emission layer includes a third compound and a fourth compound, the electron affinity of the second compound is greater than the electron affinity of the first compound, a lowest unoccupied molecular orbital (LUMO) energy level of the fourth compound is greater than a LUMO energy level of the third compound, the second compound and the third compound are different from each other, and the minimum anionic dissociation energy of the second compound is greater than the triplet energy of the third compound.

公开(公告)号：US20160079543A1

公开(公告)日：2016-03-17

申请号：US14644158

申请日：2015-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Illsoo Park ,  Seulong Kim ,  Hyosup Shin

IPC: H01L51/00 ,  C09K11/06 ,  C07D213/53

CPC classification number: H01L51/0067 ,  C07D213/53 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/0052 ,  H01L51/5012 ,  H01L2251/308 ,  H01L2251/552 ,  H05B33/20

Abstract: A compound for an organic light-emitting device, the compound represented by Chemical Formula 1 and satisfying Mathematical Formula 1: ES1

Abstract translation: 用于有机发光器件的化合物，化学式1表示的化合物并满足数学式1：ES1 <2ET1

公开(公告)号：US12250876B2

公开(公告)日：2025-03-11

申请号：US17160205

申请日：2021-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Eungdo Kim ,  Hyosup Shin ,  Jaejin Lyu ,  Jaeyong Lee ,  Hyeongu Cho

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/165 ,  H10K85/30 ,  H10K101/40

Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV  Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV.  Equation 2

公开(公告)号：US12167684B2

公开(公告)日：2024-12-10

申请号：US17250453

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Hyojeong Kim ,  Hyosup Shin

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/18 ,  H10K85/40 ,  H10K101/00 ,  H10K101/10

Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer located between the anode and the cathode and including an emission layer; an electron blocking layer located between the anode and the emission layer and in direct contact with the emission layer; and a hole blocking layer located between the cathode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the electron blocking layer may be an electron blocking material, the hole blocking layer may include a hole blocking material, and the host, the dopant, the electron blocking material, and the hole blocking material may each satisfy Equations 1-1 to 1-4: T1(EB)≥T1(H)  Equation 1-1 T1(EB)≥T1(D)  Equation 1-2 T1(HB)>T1(H)  Equation 1-3 T1(HB)>T1(D).  Equation 1-4

公开(公告)号：US12144252B2

公开(公告)日：2024-11-12

申请号：US17365763

申请日：2021-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Hyosup Shin ,  Minje Kim ,  Hyojeong Kim

IPC: H01L51/50 ,  C09K11/06 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/00 ,  H10K101/10

Abstract: An organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host, a first dopant, and a second dopant different from the first dopant, the first dopant and the second dopant are compounds each independently exhibiting thermally activated delayed fluorescence, the first dopant has a delayed fluorescence lifetime (τ) value of about 2.6 μs to about 5.0 μs, and the first host, the first dopant, and the second dopant satisfy Equation 1 defined in the detailed description, thereby exhibiting increased efficiency and lifetime characteristics.

公开(公告)号：US20240334729A1

公开(公告)日：2024-10-03

申请号：US18491154

申请日：2023-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Makoto Yamamoto ,  Tsuyoshi Naijo ,  Toshiyuki Matsuura ,  Sungsoo Bae ,  Hojung Syn ,  Hyosup Shin ,  Heechoon Ahn ,  Changwoong Chu

IPC: H10K50/135 ,  H10K50/155 ,  H10K50/16 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K50/135 ,  H10K50/155 ,  H10K50/16 ,  H10K85/346 ,  H10K85/40 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/658 ,  H10K2101/25

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound, a second compound, a transition metal-containing compound, and a delayed fluorescence compound, the first compound being a hole transport material, and the second compound being an electron transport material, the first compound and the second compound form an exciplex, the first compound, the second compound, or any combination thereof is substituted with at least one deuterium, and an absolute value of a triplet charge transfer state-singlet ground state non-radiative decay rate constant of a mixture of the first compound and the second compound is decreased, compared to a case in which the first compound, the second compound, or any combination thereof is not substituted with deuterium.

公开(公告)号：US20240298457A1

公开(公告)日：2024-09-05

申请号：US18465294

申请日：2023-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sungsoo Bae ,  Tsuyoshi Naijo ,  Hojung Syn ,  Hyosup Shin ,  Jiyoung Lee ,  Changwoong Chu

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/18 ,  H10K85/30

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/181 ,  H10K85/342 ,  H10K85/346

Abstract: Embodiments provide a light-emitting device that include a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, and the emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first host and a first-first dopant, or a first host, a first-first dopant, and a first-second dopant. The second emission layer includes a second host and a second-first dopant, or a second host, a second-first dopant, and a second-second dopant. The emission layer includes the first-second dopant and/or the second-second dopant, the first emission layer and the second emission layer directly contact each other, and a thickness of the second emission layer is greater than a thickness of the first emission layer.

公开(公告)号：US20240023356A1

公开(公告)日：2024-01-18

申请号：US18471177

申请日：2023-09-20

Applicant: Samsung Display Co., LTD.

Inventor： Seokgyu Yoon ,  Hyosup Shin ,  Hyojeong Kim

IPC: H10K50/11 ,  H10K50/12 ,  H10K50/16 ,  H10K50/18 ,  H10K50/155 ,  H10K50/17 ,  H10K85/30

CPC classification number: H10K50/11 ,  H10K50/12 ,  H10K50/16 ,  H10K50/18 ,  H10K50/155 ,  H10K50/171 ,  H10K85/322 ,  H10K2101/10

Abstract: Provided are an organic light-emitting device and an electronic apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first host and a first dopant, and the first host and the first dopant each satisfy Equations 1-1 and 1-2. In Equations 1-1 and 1-2, T1(H1)onset, T1(D1)onset, T1(H1)max, and T1(D1)max are understood by referring to the description provided herein.


T1(H1)onset≥T1(D1)onset  Equation 1-1



T1(H1)max≥T1(D1)max.  Equation 1-2

公开(公告)号：US11527725B2

公开(公告)日：2022-12-13

申请号：US16859894

申请日：2020-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Minje Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Jaejin Lyu

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset  Condition 1-1 T1(C3)max≥S1(C4)max  Condition 1-2 KRISC(C4)≥103S−1  Condition 2 f(C4)≥0.1.  Condition 3

公开(公告)号：US11417865B2

公开(公告)日：2022-08-16

申请号：US16544857

申请日：2019-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Seokgyu Yoon

IPC: H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device including an emission layer that is adjacent to a hole blocking layer or an electron blocking layer and includes a thermally activated delayed fluorescence (TADF) emission dopant.