公开(公告)号：US20230129321A1

公开(公告)日：2023-04-27

申请号：US17748389

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNAH UM ,  MINJE KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  Juhui YUN ,  YESEUL LEE ,  YIRANG IM

IPC: H01L51/00

Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, an emission layer disposed between the first electrode and the second electrode, and a double buffer layer including a first layer disposed on the emission layer and a second layer disposed on the first layer. The first layer includes a first compound, the second layer includes a second compound which is different from the first compound, and the first compound and the second compound are each independently represented by Formula 1 or Formula 2, thereby contributing to increased efficiency and increased life of a light emitting element.

公开(公告)号：US20220140255A1

公开(公告)日：2022-05-05

申请号：US17444342

申请日：2021-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNAH UM ,  HYEONGMIN KIM ,  HEECHOON AHN ,  YESEUL LEE ,  HYOYOUNG LEE ,  YIRANG IM ,  SEOWON CHO

IPC: H01L51/00

Abstract: An electroluminescence device of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer selected from among the plurality of organic layers includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:

公开(公告)号：US20250089554A1

公开(公告)日：2025-03-13

申请号：US18814245

申请日：2024-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGJIN PARK ,  HEECHOON AHN ,  HYUNAH UM ,  YESEUL LEE ,  SEOWON CHO ,  MORAN HA

IPC: H10K85/40 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/60

Abstract: A light-emitting element is provided, the light-emitting element including a first electrode, a second electrode disposed on the first electrode, and a functional layer disposed between the first electrode and the second electrode, the functional layer contains a first compound represented by Formula 1. The light-emitting element may exhibit characteristics of excellent or suitable color reproducibility and long lifespan.

公开(公告)号：US20240155936A1

公开(公告)日：2024-05-09

申请号：US18355833

申请日：2023-07-20

Applicant: Samsung Display Co., LTD.

Inventor： HYUNAH UM ,  HYEONGMIN KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  Juhui YUN ,  YESEUL LEE ,  HYOYOUNG LEE

IPC: H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K50/12 ,  H10K50/805 ,  H10K85/30

CPC classification number: H10K85/40 ,  C07F7/0812 ,  C09K11/06 ,  H10K50/12 ,  H10K50/805 ,  H10K85/346 ,  C07B2200/05 ,  C09K2211/1074

Abstract: A light emitting element of an embodiment may include a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a first compound represented by Formula 1. The light emitting element including the first compound may show improved color coordinates of light emitted and long-life characteristics.

公开(公告)号：US20240147851A1

公开(公告)日：2024-05-02

申请号：US18355313

申请日：2023-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： YESEUL LEE ,  HYEONGMIN KIM ,  HEECHOON AHN ,  HYUNAH UM ,  Juhui YUN ,  MORAN HA

IPC: H10K85/60 ,  C07D209/86 ,  C07D405/14 ,  C07F7/08 ,  C09K11/02 ,  C09K11/06 ,  H10K85/30 ,  H10K85/40

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C07D405/14 ,  C07F7/0812 ,  C09K11/02 ,  C09K11/06 ,  H10K85/346 ,  H10K85/40 ,  H10K85/6574 ,  H10K50/12

Abstract: A light emitting device of one or more embodiments includes a first electrode, a second electrode oppositely provided to the first electrode, and an emission layer provided between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1 below.

公开(公告)号：US20230402016A1

公开(公告)日：2023-12-14

申请号：US18298577

申请日：2023-04-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KIHYUN SUNG ,  JONGWOON KIM ,  KIHONG SONG ,  HYUN-SIK YOON ,  YESEUL LEE

IPC: G09G3/3275 ,  G09G3/32

CPC classification number: G09G3/3275 ,  G09G3/32 ,  G09G2310/0275 ,  G09G2320/0666 ,  G09G2340/06 ,  G09G2360/16 ,  G09G2330/021

Abstract: A display device includes a driving control circuit that receives an input image signal and outputs an output image signal, a data driving circuit that outputs a data signal corresponding to the output image signal, and a display panel including a plurality of pixels to display an image corresponding to the data signal. The driving control circuit determines an amount of time the input image signal is maintained as a still image, determines a color coordinate gain based on the amount of time and outputs the output image signal based on the color coordinate gain.

公开(公告)号：US20230129854A1

公开(公告)日：2023-04-27

申请号：US17744164

申请日：2022-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： HEECHOON AHN ,  Juhui YUN ,  HYUNAH UM ,  YESEUL LEE ,  SEOWON CHO ,  JIYONG CHOI

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  C07F7/30

Abstract: A light-emitting that includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode is provided. At least one functional layer may include an aromatic compound represented by Formula 1. The light-emitting element results in a reduced driving voltage and an improved luminous efficiency.

公开(公告)号：US20240357922A1

公开(公告)日：2024-10-24

申请号：US18409664

申请日：2024-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： JIYONG CHOI ,  YOUNGJIN PARK ,  HEECHOON AHN ,  JUHUI YUN ,  YESEUL LEE ,  SEOWON CHO ,  MORAN HA

IPC: H10K85/40 ,  C07B59/00 ,  C09K11/06 ,  H10K50/15 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K85/40 ,  C07B59/004 ,  C09K11/06 ,  H10K50/15 ,  H10K85/346 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  C07B2200/05 ,  H10K2101/20

Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode. The at least one functional layer includes a first compound represented by Formula 1.

公开(公告)号：US20240196742A1

公开(公告)日：2024-06-13

申请号：US18359602

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： HEECHOON AHN ,  YOUNGJIN PARK ,  HYUNAH UM ,  YESEUL LEE ,  JIYONG CHOI

IPC: H10K85/60 ,  C07D209/86 ,  C09K11/06

CPC classification number: H10K85/6572 ,  C07D209/86 ,  C09K11/06 ,  H10K50/11

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode. At least one functional layer may include a heterocyclic compound represented by Formula 1 below. The light emitting element of one or more embodiments including the heterocyclic compound of one or more embodiments may exhibit long lifespan characteristics. In some embodiments, the light emitting element of one or more embodiments may have reduced driving voltage.

公开(公告)号：US20240155941A1

公开(公告)日：2024-05-09

申请号：US18474995

申请日：2023-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGMIN KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  HYUNAH UM ,  Juhui YUN ,  YESEUL LEE

IPC: H10K85/60 ,  C07D405/14 ,  C09K11/06

CPC classification number: H10K85/6572 ,  C07D405/14 ,  C09K11/06 ,  H10K85/654 ,  H10K50/12

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 that includes a first compound represented by Formula 1. The light emitting element including the first compound of an embodiment may have a decrease in the driving voltage and exhibit excellent or suitable efficiency.