公开(公告)号：US20230403877A1

公开(公告)日：2023-12-14

申请号：US18137239

申请日：2023-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： JIHO SOHN ,  SUNGJIN MUN ,  JIHYUN SEO ,  JAE YOUNG LEE ,  JUNYOUNG LEE ,  JAHYUN IM ,  SANGHO JEON

IPC: H10K50/15 ,  H10K50/125 ,  H10K50/16

CPC classification number: H10K50/15 ,  H10K50/125 ,  H10K50/16 ,  H10K2101/30

Abstract: A light emitting diode and a display device including the light emitting diode are provided. The light emitting diode may include a first electrode, a hole transport region disposed on the first electrode, an emission auxiliary layer disposed on the hole transport region, a first buffer layer disposed on the emission auxiliary layer, an emission layer disposed on the first buffer layer and including a hole transport host, an electron transport host, and a dopant having a dipole moment of about 2.0 Debye (D) or less, a second buffer layer disposed on the emission layer, an electron transport region disposed on the second buffer layer, and a second electrode disposed on the electron transport region.

公开(公告)号：US20220077224A1

公开(公告)日：2022-03-10

申请号：US17229878

申请日：2021-04-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SUNGJIN MUN ,  Kwanhee Lee ,  Jae Young Lee

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/38

Abstract: A display device includes a first substrate including a first substrate, a first connection electrode disposed on the first substrate, and connected to a first transistor, a first spacer disposed on the first connection electrode, and including a conductive material, a first light emitting element disposed on the first spacer, and a second light emitting element disposed on the first substrate, and connected to a second transistor.