公开(公告)号：US20230139475A1

公开(公告)日：2023-05-04

申请号：US17975472

申请日：2022-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Songeun Lee ,  Minkyung Kim ,  Seulong Kim ,  Hyunshik Lee

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device and an electronic apparatus including the same. The 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, wherein the interlayer includes a first emission layer and a second emission layer, the first emission layer includes a first hole transport host, a second electron transport host, and a first phosphorescent dopant, the second emission layer includes a second hole transport host, a second electron transport host, and a second phosphorescent dopant, and wherein (i) hole mobility of the first emission layer is faster than electron mobility of the first emission layer, or (ii) hole mobility of the first hole transport host in the first emission layer is faster than electron mobility of the first electron transport host in the first emission layer.

公开(公告)号：US11626566B2

公开(公告)日：2023-04-11

申请号：US16996599

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seungjin Chu ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3: T1(D)≥T1(Mix)+0.3 eV  Equation 1 T1(H)≥T1(Mix)+0.3 eV  Equation 2 T1(Mix)

公开(公告)号：US11617290B2

公开(公告)日：2023-03-28

申请号：US15220636

申请日：2016-07-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younsun Kim ,  Seulong Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito ,  Jino Lim ,  Hyein Jeong

IPC: H01L51/00 ,  H01L51/50 ,  H10K85/60 ,  H10K50/11 ,  H10K50/13 ,  H10K101/40 ,  H10K50/16 ,  H10K50/155 ,  H10K50/17 ,  H10K101/30 ,  H10K102/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the electron transport region includes a first compound, at least one selected from the hole transport region and the electron transport region includes a second compound, the first compound is represented by one selected from Formulae 1A to 1D, and the second compound is represented by Formula 2A or Formula 2B:

公开(公告)号：US20220416210A1

公开(公告)日：2022-12-29

申请号：US17900007

申请日：2022-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US11107999B2

公开(公告)日：2021-08-31

申请号：US15399349

申请日：2017-01-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Naoyuki Ito ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Jino Lim

IPC: H01L51/54 ,  H01L51/00 ,  C07D307/77 ,  C09K11/02 ,  C07D333/50 ,  C07D307/91 ,  C07D493/04 ,  C07D495/04 ,  C09K11/06 ,  C07D405/10 ,  H01L51/52 ,  H01L51/50

Abstract: A condensed cyclic compound represented by Formula 1-1 or Formula 1-2 and an organic light-emitting device including the same.

公开(公告)号：US10897011B2

公开(公告)日：2021-01-19

申请号：US15415373

申请日：2017-01-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Shin ,  Seulong Kim ,  Younsun Kim ,  Jungsub Lee ,  Naoyuki Ito ,  Jino Lim

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

Abstract: An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A and 2B.

公开(公告)号：US10553800B2

公开(公告)日：2020-02-04

申请号：US15399255

申请日：2017-01-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Naoyuki Ito ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Jino Lim

IPC: H01L51/50 ,  H01L51/00 ,  C07D307/77 ,  C09K11/02 ,  C07D333/50 ,  C07D307/91 ,  C07D493/04 ,  C07D495/04 ,  C09K11/06 ,  C07D405/10 ,  H01L51/52

Abstract: A condensed cyclic compound represented by Formula 1-1 or Formula 1-2 and an organic light-emitting device including the same.

公开(公告)号：US10333074B2

公开(公告)日：2019-06-25

申请号：US15210826

申请日：2016-07-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jino Lim ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Naoyuki Ito

IPC: H01L51/00 ,  C09K11/02 ,  H01L51/50

Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer including an emission layer between the first electrode and the second electrode, wherein the organic layer includes a first compound and a second compound, the first compound is selected from compounds represented by Formula 1, and the second compound is selected from compounds represented by Formula 2: An organic light-emitting device including both compounds may exhibit high heat resistance and high durability, as well as a long lifespan and high efficiency.

公开(公告)号：US10312449B2

公开(公告)日：2019-06-04

申请号：US15154622

申请日：2016-05-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seulong Kim ,  Naoyuki Ito ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06 ,  C09K11/02

Abstract: An organic light-emitting device including a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode and including an emission layer; wherein the organic layer includes a host first compound represented by Formula 1 and a fluorescent dopant second compound represented by Formula 2: When the compound represented by Formula 1 includes a condensed cyclic substituent and the compound represented by Formula 2 includes a condensed cyclic core, the organic light-emitting device may have improved thermal stability, a lower driving voltage, and higher efficiency.

公开(公告)号：US10181562B2

公开(公告)日：2019-01-15

申请号：US15139208

申请日：2016-04-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Shin ,  Seulong Kim ,  Younsun Kim ,  Jungsub Lee ,  Naoyuki Ito

IPC: H01L51/00 ,  C09K11/06 ,  H01L27/32 ,  C07D223/18 ,  C07D223/14 ,  C07D403/14 ,  C07D405/14 ,  C07F9/6561 ,  C09K11/02 ,  H01L51/50 ,  H01L51/52

Abstract: An 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, wherein the organic layer includes an emission layer including a compound represented by Formula 1: An organic light-emitting device using the compound of Formula 1 may have high efficiency, low voltage, high luminance, and long lifespan.