公开(公告)号：US20200212138A1

公开(公告)日：2020-07-02

申请号：US16536428

申请日：2019-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Chang-Min LEE ,  Yujin KANG ,  Hyomin KO ,  Daehyeon KIM ,  JUWON LEE

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/44 ,  G06K9/00 ,  G06F3/044

Abstract: Provided is a display device including a light emitting device and a light receiving device. The light receiving device includes a first light receiving electrode and a light receiving layer. The light receiving device receives a second light reflected from an external object and generates current.

公开(公告)号：US20220344609A1

公开(公告)日：2022-10-27

申请号：US17680140

申请日：2022-02-24

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon KIM ,  Changmin LEE ,  Hyunshik LEE ,  Seungcheol KIM

IPC: H01L51/50 ,  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 and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer contacting each other, the first emission layer includes a first host and a first dopant, the second emission layer includes a second host and a second dopant, the first dopant includes a fluorescent dopant, the second dopant includes a phosphorescent dopant, a triplet energy level of the first host is lower than a triplet energy level of the first dopant, and a triplet energy level of the second host is higher than a triplet energy level of the second dopant.

公开(公告)号：US20210020845A1

公开(公告)日：2021-01-21

申请号：US16791402

申请日：2020-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong PARK ,  Daehyeon KIM ,  Myeongsuk KIM ,  Jimyoung YE ,  Juwon LEE

IPC: H01L51/00 ,  C07D471/04 ,  C07D519/00 ,  C07D403/14 ,  C07D487/14

Abstract: A compound is represented by Formula 1. 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 the compound represented by Formula 1. The compound represented by Formula 1 suppresses or reduces the generation of dark spots by chelating metal that migrates from an electrode.

公开(公告)号：US20210273177A1

公开(公告)日：2021-09-02

申请号：US17072654

申请日：2020-10-16

Applicant: Samsung Display Co., LTD.

Inventor： Hye Jeong PARK ,  Daehyeon KIM

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment may include a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The electron transport region may include a first compound represented by Formula 1, thereby improving the moving speed of electrons. Accordingly, the organic electroluminescence device of an embodiment may show decreased driving voltage and improved efficiency.

公开(公告)号：US20240074309A1

公开(公告)日：2024-02-29

申请号：US18495915

申请日：2023-10-27

Applicant: Samsung Display Co., LTD.

Inventor： Hye Jeong PARK ,  Daehyeon KIM

IPC: H10K85/60 ,  C07D471/04 ,  C07D401/14 ,  C07D403/14

CPC classification number: H10K85/654 ,  H10K85/633 ,  H10K85/6572 ,  H10K85/6574 ,  C07D471/04 ,  C07D401/14 ,  C07D403/14 ,  H10K50/155

Abstract: An organic electroluminescence device of an embodiment may include a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The electron transport region may include a first compound represented by Formula 1, thereby improving the moving speed of electrons. Accordingly, the organic electroluminescence device of an embodiment may show decreased driving voltage and improved efficiency.

公开(公告)号：US20210167294A1

公开(公告)日：2021-06-03

申请号：US17039159

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon KIM ,  Hyejeong PARK ,  Changmin LEE

IPC: H01L51/00

Abstract: An amine compound and a light-emitting device including the same are provided. The amine compound is represented by Formula 1: In Formula 1, Ar1 is a group represented by Formula 1A, Ar2 is a group represented by Formula 1B, and the other substituents are understood by referring to the description of the disclosure.