公开(公告)号：US20230354632A1

公开(公告)日：2023-11-02

申请号：US18309448

申请日：2023-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyerim Kim ,  Mikyung Kim ,  Jihyun Seo ,  Hyunsu Shin ,  Hanbyul Jang

IPC: H10K50/12 ,  H10K85/30 ,  H10K85/10

CPC classification number: H10K50/12 ,  H10K85/342 ,  H10K85/346 ,  H10K85/111 ,  H10K2101/30

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 emission layer includes a first compound, a second compound, a third compound, a first organometallic compound, and a second organometallic compound. The first compound to the third compound, the first organometallic compound, and the second organometallic compound are respectively as described in the present specification.

公开(公告)号：US20230217812A1

公开(公告)日：2023-07-06

申请号：US18145464

申请日：2022-12-22

Applicant: Samsung Display Co., Ltd. ,  Merck Patent GmbH

Inventor： Mikyung Kim ,  Elvira Montenegro ,  Jens Engelhart ,  Christian Eickhoff ,  Suhwan Na ,  Hyerim Kim ,  Jihyun Seo ,  Hyunsu Shin ,  Hanbyul Jang

IPC: H10K85/60 ,  H10K50/15

CPC classification number: H10K85/633 ,  H10K50/156 ,  H10K85/6574 ,  H10K2101/10

Abstract: The present invention relates to a light-emitting device and an electronic apparatus including the light-emitting device. 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 and including an emission layer, wherein: the interlayer may further include a hole transport region between the emission layer and the first electrode, the hole transport region may include a first layer and a second layer, the second layer being between the first layer and the emission layer, the first layer may include a first amine-based compound, the second layer may include a second amine-based compound, and the first amine-based compound and the second amine-based compound may be different from each other.

公开(公告)号：US20250056962A1

公开(公告)日：2025-02-13

申请号：US18791801

申请日：2024-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Donghwan Kim ,  Hyerim Kim ,  Jihyun Seo ,  Jahyun Im

IPC: H10K50/13 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30

Abstract: A light-emitting device includes a first emission unit including a first red emission layer, a first green emission layer, and a first blue emission layer, and a second emission unit including a second red emission layer, a second green emission layer, and a second blue emission layer, wherein at least one selected from among the first blue emission layer of the first emission unit and the second blue emission layer of the second emission unit includes two types (kinds) of dopants, and at least one selected from among the first red emission layer, the second red emission layer, the first green emission layer, the second green emission layer, the first blue emission layer, and the second blue emission layer includes two types (kinds) of hosts.

公开(公告)号：US20210305531A1

公开(公告)日：2021-09-30

申请号：US17213782

申请日：2021-03-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mikyung KIM ,  Jaehyun Lee ,  Jiwon Kwak ,  Hyerim Kim ,  Jihyun Seo ,  Kwanhee Lee ,  Hanbyul Jang

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode opposing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, a first emission auxiliary layer, a second emission auxiliary layer, and a hole transport region, the hole transport region is disposed between the first electrode and the emission layer, the first emission auxiliary layer and the second emission auxiliary layer are disposed between the emission layer and the hole transport region, the first emission auxiliary layer includes a first compound, the second emission auxiliary layer includes a second compound, the hole transport region includes a hole transport compound, and the first compound and the hole transport compound satisfy the Equation 1, as defined herein.