公开(公告)号：US10115907B2

公开(公告)日：2018-10-30

申请号：US14736375

申请日：2015-06-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Daeyup Shin ,  Youngkook Kim ,  Jihwan Yoon

IPC: H01L51/00 ,  C07D487/04 ,  C07D495/04 ,  C09K11/06 ,  H01L51/50

Abstract: A compound, an organic light-emitting device, and a flat display apparatus, the compound being represented by any one selected from the following Formula 1, Formula 2, and Formula 3:

公开(公告)号：US09882140B2

公开(公告)日：2018-01-30

申请号：US14710729

申请日：2015-05-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyul Han ,  Jimyoung Ye ,  Bumsuk Lee ,  Jihwan Yoon ,  Sangwoo Pyo

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

CPC classification number: H01L51/0058 ,  C09K11/06 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0079 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

Abstract: Provided is an 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 includes a first compound represented by Formula 1-1 or Formula 1-2 below, a second compound represented by Formula 2 below, and a third compound represented by Formula 3 below: where Ar1 to Ar8, R1 to R3, A, L1, L2, a1, a2, b1, b2, c1, c2, l1, and l2 are as defined in the specification.

公开(公告)号：US12302692B2

公开(公告)日：2025-05-13

申请号：US17714892

申请日：2022-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hakchoong Lee ,  Yoonseok Ka ,  Dongchan Kim ,  Jiyoung Moon ,  Hajin Song ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H10K50/17 ,  H10K50/828 ,  H10K59/123 ,  H10K85/60 ,  H10K102/00

Abstract: A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×107 S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×107 S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.

公开(公告)号：US12167661B2

公开(公告)日：2024-12-10

申请号：US18400296

申请日：2023-12-29

Applicant: Samsung Display Co., LTD.

Inventor： Hajin Song ,  Jihwan Yoon ,  Sangwoo Lee ,  Sangwoo Pyo

IPC: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K59/131 ,  H10K71/00 ,  H10K50/852 ,  H10K59/12 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20240284700A1

公开(公告)日：2024-08-22

申请号：US18444740

申请日：2024-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Myungsuk Han ,  Jihwan Yoon ,  Jonghyuk Lee ,  Yoonhyeung Cho

IPC: H10K50/17 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

CPC classification number: H10K50/171 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

Abstract: A light-emitting device and an apparatus including the same include 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 m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

公开(公告)号：US11856839B2

公开(公告)日：2023-12-26

申请号：US17038768

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Jihwan Yoon ,  Donghui Lee ,  Jihye Lee ,  Chulsoon Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H10K50/10 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/342 ,  C09K11/06 ,  H10K85/346 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18

Abstract: A light-emitting device and a method of manufacturing the same are provided. The light-emitting device may include a first electrode, a second electrode, and an interlayer located between the first electrode and the second electrode. The interlayer may include an emission layer that includes a first material, a second material, and a third material. The first material may include an inorganic semiconductor compound, an inorganic insulator compound, or any combination thereof. The second material may include a lanthanide metal. The third material may include an organic compound. An apparatus including the light-emitting device is provided.

公开(公告)号：US11716897B2

公开(公告)日：2023-08-01

申请号：US16051231

申请日：2018-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Sunwoo Kang ,  Myeongsuk Kim ,  Hyoyeon Kim ,  Jimyoung Ye ,  Jihwan Yoon

IPC: H01L51/00 ,  H01L51/50 ,  C07F15/00 ,  H10K85/30 ,  H10K50/12 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K85/342 ,  C07F15/0033 ,  H10K50/12 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K2101/10 ,  H10K2101/40

Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. 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, the organic layer including an emission layer and at least one of the organometallic compound represented by Formula 1.

公开(公告)号：US11700737B2

公开(公告)日：2023-07-11

申请号：US16895842

申请日：2020-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Donghui Lee ,  Jihye Lee ,  Chulsoon Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Wonsuk Han ,  Jihwan Yoon ,  Yoonhyeung Cho

IPC: H01L51/52 ,  H10K50/19 ,  H10K50/13 ,  H10K59/38 ,  H10K59/123 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00 ,  H10K85/30 ,  H10K85/60 ,  H10K101/30 ,  H10K102/00

CPC classification number: H10K50/19 ,  H10K50/13 ,  H10K59/123 ,  H10K59/38 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K71/00 ,  H10K85/30 ,  H10K85/322 ,  H10K85/615 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K2101/30 ,  H10K2102/331 ,  H10K2102/351

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of n between the first electrode and the second electrode; and a charge-generation unit(s) in the number of n−1 between the adjacent light-emitting units. The light-emitting units each include an emission layer, and at least one of the charge-generation unit(s) includes an n-type charge-generation layer, a p-type charge-generation layer, and an interlayer between the n-type charge-generation layer and the p-type charge-generation layer. The p-type charge-generation layer includes a first material and a second material, the first material includes a hole-transporting organic compound, an inorganic insulation compound, or any combination thereof, the second material includes at least one inorganic semiconductor compound, the interlayer comprises a third material, and the third material is selected from an organic compound, an inorganic semiconductor compound, and an inorganic insulation compound.

公开(公告)号：US20220406860A1

公开(公告)日：2022-12-22

申请号：US17649910

申请日：2022-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： Seho Lee ,  Taehyung Kim ,  Jihwan Yoon ,  Hojun Lee ,  Sangwoo Pyo ,  Jaehoon Hwang

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes: a substrate; an organic insulating layer on the substrate and having an opening; a first electrode on the organic insulating layer; an auxiliary electrode on the organic insulating layer and including a first portion overlapping the opening; a bank layer having a first bank opening overlapping the first electrode and a second bank opening overlapping the first portion; an intermediate layer on the first electrode and the auxiliary electrode, the intermediate layer including a hole exposing a portion of the auxiliary electrode; and a second electrode on the intermediate layer, overlapping the first electrode and the auxiliary electrode, and in contact with the auxiliary electrode through the hole in the intermediate layer. The hole in the intermediate layer only partially overlaps the opening in the organic insulating layer and is located within the second bank opening in a plan view.

公开(公告)号：US11283038B2

公开(公告)日：2022-03-22

申请号：US16053321

申请日：2018-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Pyungeun Jeon ,  Jihye Shim ,  Jehong Choi ,  Jihwan Yoon ,  Sangwoo Pyo

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: A light-emitting device is provided. The light-emitting device includes: a plurality of first electrodes positioned on a first sub-pixel, a second sub-pixel, and a third sub-pixel, respectively; a second electrode facing the plurality of first electrodes; a first emission layer on the first sub-pixel to emit a first color light; a second emission layer on the second sub-pixel to emit a second color light; a first layer integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first interlayer between the first auxiliary layer and the first emission layer. The absolute value of the highest occupied molecular orbital (HOMO) energy level of the first interlayer is greater than the absolute value of the HOMO energy level of the first auxiliary layer, and is smaller than the absolute value of the HOMO energy level of the first emission layer. The absolute value of the lowest unoccupied molecular orbital (LUMO) energy level of the first interlayer is greater than that of a LUMO energy level of the first auxiliary layer, and is smaller than the absolute value of the LUMO energy level of the first emission layer.