公开(公告)号：US20220069248A1

公开(公告)日：2022-03-03

申请号：US17307750

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu KANG ,  Minho PARK ,  Minkyung KIM ,  Huiju PARK ,  Dongkyu LEE ,  Jongwon LEE ,  Hyunshik LEE

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

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole injection layer and an electron transport layer, the hole injection layer includes a first electron transport compound, and a hole mobility (MH) and electron mobility (ME) of the first electron transport compound satisfy following Equation (1): Equation (1) MH≤ME×0.95  (1).

公开(公告)号：US20220059767A1

公开(公告)日：2022-02-24

申请号：US17391613

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu KANG ,  Minkyung KIM ,  Minho PARK ,  Huiju PARK ,  Dongkyu LEE ,  Jongwon LEE ,  Hyunshik LEE

IPC: H01L51/00

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

公开(公告)号：US20210074940A1

公开(公告)日：2021-03-11

申请号：US17009286

申请日：2020-09-01

Applicant: Samsung Display Co., Ltd.

Inventor： Eunhye SONG ,  Heejoo KO ,  Minkyung KIM ,  Hangeul LEE

IPC: H01L51/50 ,  H01L51/00

Abstract: Organic light-emitting devices and apparatuses including the same have improved lifespans due to certain, defined material conditions and compositions.

公开(公告)号：US20200185619A1

公开(公告)日：2020-06-11

申请号：US16529417

申请日：2019-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Minkyung KIM

IPC: H01L51/00 ,  C07D471/06 ,  C09K11/06 ,  C07D403/14 ,  C07D471/16 ,  C07F7/08

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 and including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-6.

公开(公告)号：US20210184151A1

公开(公告)日：2021-06-17

申请号：US17030365

申请日：2020-09-23

Applicant: Samsung Display Co, Ltd.

Inventor： Hangeul LEE ,  Heejoo KO ,  Minkyung KIM ,  Hojung SYN

IPC: H01L51/50 ,  H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein, the organic layer further includes an emission region, and a first region disposed between the first electrode and the emission region, and a second region disposed between the emission region and the second electrode, the second region includes a first layer and a second layer, each including an organic compound, the emission region includes a first compound, a second compound, a third compound, and a fourth compound, the first compound includes a hole transporting host compound, the second compound includes an electron transporting host compound or a bipolar host compound, the third compound includes a thermally active delayed fluorescence compound or an organometallic complex, satisfying Equation 1 as described herein.

公开(公告)号：US20200098993A1

公开(公告)日：2020-03-26

申请号：US16502091

申请日：2019-07-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minkyung KIM

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic electroluminescence device and a method of manufacturing an organic electroluminescence device, the device including a first electrode; a second electrode on the first electrode; and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host represented by the following Formula 1, and a second host represented by one of the following Formula 2-1 to Formula 2-5: