公开(公告)号：US11690289B2

公开(公告)日：2023-06-27

申请号：US17071757

申请日：2020-10-15

Applicant: Samsung Display Co., Ltd. ,  Doosan Solus Co., Ltd.

Inventor： Seulong Kim ,  Hojun Son ,  Hyobum Song ,  Jaehoon Hwang ,  Hoemoon Kim ,  Hocheol Park ,  Minsik Eum ,  Songie Han

IPC: H01L51/50 ,  H01L51/00 ,  C07D471/04

CPC classification number: H01L51/0072 ,  H01L51/0052 ,  H01L51/0067 ,  C07D471/04 ,  H01L51/5072

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one heterocyclic compound represented by Formula 1:




The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.

公开(公告)号：US20230200213A1

公开(公告)日：2023-06-22

申请号：US18083343

申请日：2022-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon Hur ,  Seulong Kim ,  Hyein Jeong

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06

CPC classification number: H01L51/0052 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/008 ,  C09K11/06 ,  H01L51/5012

Abstract: A light-emitting device including an emission layer and an electronic apparatus including the light-emitting device. The emission layer includes a first emission layer and a second emission layer.

公开(公告)号：US20230005994A1

公开(公告)日：2023-01-05

申请号：US17556031

申请日：2021-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Eungyoung Park ,  Jiyoung Song ,  Hajin Song ,  Jaehoon Hwang

IPC: H01L27/32 ,  C09K11/06 ,  H01L51/00

Abstract: A display apparatus, comprising a substrate; a light-emitting device layer arranged on the substrate, wherein the light-emitting device layer comprises a first, second, and third areas, and at least one light-emitting device emitting a first light; and a color conversion layer arranged on the light-emitting device layer, wherein the color conversion layer comprises first, second, and third color conversion areas, wherein the first color conversion area emits a first color light, the second color conversion area emits a second color light, the third color conversion area emits a third color light, a maximum emission wavelength of the first, second, and third color lights are greater than a maximum emission wavelength of the first light, a color of the third color light is identical to that of the first light, and the maximum emission wavelength of the third color light is greater than the maximum emission wavelength of the first light.

公开(公告)号：US11329230B2

公开(公告)日：2022-05-10

申请号：US15467889

申请日：2017-03-23

Applicant: Samsung Display Co., Ltd

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

IPC: H01L51/54 ,  H01L51/00 ,  C07C13/00 ,  C07C15/00 ,  C07F7/08 ,  C07C211/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

Abstract: Provided is an organic light-emitting device including a first compound and a second compound that offers low driving voltage and high efficiency. The organic light-emitting device includes an emission layer between a first electrode and a second electrode, and an electron transport region between the second electrode and the emission layer. The electron transport region includes the first compound. A hole transport region between the first electrode and the emission layer includes the second compound.

公开(公告)号：US20220077399A1

公开(公告)日：2022-03-10

申请号：US17530403

申请日：2021-11-18

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

Abstract: An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode; a second electrode facing the first electrode; a first layer between the first electrode and the second electrode, the first layer including a first compound; a second layer between the first layer and the second electrode, the second layer including a second compound; and a third layer between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *═N—*′ as a ring forming moiety, and wherein the first compound, the second compound, and the third compound each independently include at least one group selected from groups represented by Formulae A to C:

公开(公告)号：US11165024B2

公开(公告)日：2021-11-02

申请号：US15380692

申请日：2016-12-15

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/54 ,  H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

Abstract: An organic light-emitting device including 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 comprises at least one first compound, the emission layer comprises at least one second compound, the first compound is represented by Formula 1, and the second compound is represented by one selected from Formulae 2-1, 2-2, and 2-3:

公开(公告)号：US11056541B2

公开(公告)日：2021-07-06

申请号：US16739048

申请日：2020-01-09

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

Abstract: An electronic apparatus including a substrate; an organic light-emitting device disposed on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device and including at least one organic film is presented. The organic film includes a cured product of a composition for forming an organic film, the composition including a curable material and an ultraviolet (UV) absorber, wherein the curable material includes at least one selected from an acryl-based material, a methacryl-based material, an acrylate-based material, a methacrylate-based material, a vinyl-based material, an epoxy-based material, a urethane-based material, and a cellulose-based material, and the organic light-emitting device includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer. The emission layer includes a compound shown below, and the hole transport region includes a diamine compound:

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：US11043642B2

公开(公告)日：2021-06-22

申请号：US15942198

申请日：2018-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soobyung Ko ,  Myeongsuk Kim ,  Heungsu Park ,  Jimyoung Ye ,  Byeongwook Yoo ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07F3/06 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device, the organic light emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, the emission layer including an organometallic compound having a predetermined formula.

公开(公告)号：US10811614B2

公开(公告)日：2020-10-20

申请号：US15593976

申请日：2017-05-12

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  C07C211/54 ,  C07C211/61 ,  C07D307/91 ,  C09K11/06 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device is provided That includes: a first electrode; a second electrode facing the first electrode; m number of emission units disposed between the first electrode and the second electrode, the emission units each including at least one emission layer. m−1 charge generation layers are disposed between two adjacent emission units and each includes an n-type charge generation layer and a p-type charge generation layer. Maximum emission wavelengths of light emitted by two emission units may be different. At least one of the emission units, at least one of the charge generation layers, or any combination thereof may each include a first compound, which may be represented by Formula 1: