公开(公告)号：US12089430B2

公开(公告)日：2024-09-10

申请号：US17249231

申请日：2021-02-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yeongji Im ,  Jino Lim ,  Beomjin Kim ,  Seunggak Yang

IPC: H10K50/11 ,  C09K11/06 ,  H10K59/12 ,  H10K59/35 ,  H10K85/30 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K59/35 ,  C09K2211/1018 ,  H10K59/12 ,  H10K85/342 ,  H10K85/622 ,  H10K85/623 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer located between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host and a dopant, the host includes a first compound and a second compound, and the first compound, the second compound, and the dopant are different from one another. Two compounds in the host included in the emission layer may have different HOMO and LUMO energy levels and may form an exciplex, and a difference between a HOMO energy level and a LUMO energy level of the exciplex (ΔEexciplex) may be greater than a difference between a HOMO energy level and a LUMO energy level of the dopant (ΔEdopant).

公开(公告)号：US10714695B2

公开(公告)日：2020-07-14

申请号：US15162450

申请日：2016-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Munki Sim ,  Eunyoung Lee ,  Youngkook Kim ,  Junha Park ,  Hyoyoung Lee ,  Eunjae Jeong ,  Seokhwan Hwang ,  Mikyung Kim ,  Seunggak Yang

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

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, the organic layer including an emission layer, wherein the organic layer includes a compound represented by Formula 1:

公开(公告)号：US20200152902A1

公开(公告)日：2020-05-14

申请号：US16594683

申请日：2019-10-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jin-O LIM ,  Seunggak Yang ,  Samil Kho

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/00

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a first emission layer disposed on the hole transport region and including a first light-emitting host and a first light-emitting dopant, a second emission layer disposed on the first emission layer and including a first electron transport material and a second light-emitting dopant, an electron transport region disposed on the second emission layer and including a second electron transport material, and a second electrode disposed on the electron transport region, wherein a triplet energy of the first light-emitting host (T1a), a triplet energy of the second light-emitting dopant (T1b) and a triplet energy of the second electron transport material (T1c) satisfy a relation of T1a

公开(公告)号：US20190043931A1

公开(公告)日：2019-02-07

申请号：US16016145

申请日：2018-06-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Yim ,  Donghoon Kim ,  Samil Kho ,  Mikyung Kim ,  Eunkyoung Kim ,  Seunggak Yang ,  Kwanhee Lee

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3211 ,  H01L51/5004 ,  H01L51/5253 ,  H01L51/5265 ,  H01L51/5275 ,  H01L2251/5315

Abstract: An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.

公开(公告)号：US20220399504A1

公开(公告)日：2022-12-15

申请号：US17751589

申请日：2022-05-23

Applicant: Samsung Display Co., Ltd. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY

Inventor： Mikyung KIM ,  Yunhi Kim ,  Soonki Kwon ,  Namwoo Kim ,  Jihyeon Kim ,  Byounghee Park ,  Seunggak Yang

IPC: H01L51/00

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, wherein the interlayer includes an emission layer, and the emission layer includes a first compound of Formula 1-1 or Formula 1-2 and a second compound of Formula 2, as described herein.

公开(公告)号：US20210135124A1

公开(公告)日：2021-05-06

申请号：US16945444

申请日：2020-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoungkun Kim ,  Samil Kho ,  Donghwan Kim ,  Jinwoong Kim ,  Seunggak Yang ,  Kwanhee Lee ,  Junyoung Lee

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting includes a first electrode having a work function greater than about 4.9 eV and less than about 5.2 eV, a second electrode facing the first electrode, an organic layer disposed between the first electrode and the second electrode and including an emission layer, a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes a first hole transport layer including a first hole-transporting material, and the first hole transport layer is substantially free of a p-dopant.

公开(公告)号：US20190097140A1

公开(公告)日：2019-03-28

申请号：US16140200

申请日：2018-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Mikyung Kim ,  Jihyun Seo ,  Seunggak Yang ,  Kwanhee Lee ,  Jino Lim

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device is provided. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a first compound, a second compound, and a third compound. The first compound, the second compound, and the third compound are each independently an azine-based compound represented by one selected from Formulae 1-1 to 1-5, except for a case where the first compound, the second compound, and the third compound concurrently include an azine-based compound represented by Formula 1-3.

公开(公告)号：US09893291B2

公开(公告)日：2018-02-13

申请号：US15174916

申请日：2016-06-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seunggak Yang

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0058 ,  H01L51/0044 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/006 ,  H01L51/5008 ,  H01L51/5012

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, the electron transport region including an intermediate layer, wherein the emission layer includes a first compound and a second compound, each independently selected from compounds represented by Formula 1, and the intermediate layer includes a third compound and a fourth compound, each independently selected from compounds represented by Formula 2:

公开(公告)号：US09825107B2

公开(公告)日：2017-11-21

申请号：US14662849

申请日：2015-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunjee Park ,  Mikyung Kim ,  Jihyun Seo ,  Sungkyung Kim ,  Seunggak Yang

IPC: B32B9/00 ,  H01J1/62 ,  H01L27/32 ,  H01L51/50 ,  H01L51/00

CPC classification number: H01L27/3248 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0065 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/506 ,  H01L51/5064

Abstract: An organic light-emitting device and a flat panel display apparatus, the device including 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 organic layer includes a hole transport region between the first electrode and the emission layer, the hole transport region including an auxiliary layer and at least one selected from a hole transport layer and a hole injection layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the auxiliary layer includes a compound represented by Formula 1 and a compound represented by Formula 2:

公开(公告)号：US20170104167A1

公开(公告)日：2017-04-13

申请号：US15162450

申请日：2016-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Munki Sim ,  Eunyoung Lee ,  Youngkook Kim ,  Junha Park ,  Hyoyoung Lee ,  Eunjae Jeong ,  Seokhwan Hwang ,  Mikyung Kim ,  Seunggak Yang

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

CPC classification number: H01L51/0073 ,  C09K11/025 ,  H01L27/3248 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0077 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

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, the organic layer including an emission layer, wherein the organic layer includes a compound represented by Formula 1: