公开(公告)号：US20230419871A1

公开(公告)日：2023-12-28

申请号：US18132967

申请日：2023-04-11

Applicant: Samsung Display Co., Ltd.

Inventor： HYUN-SIK YOON ,  JONGWOON KIM ,  WONJIN SEO ,  KIHYUN SUNG ,  KIHONG SONG ,  YESEUL LEE ,  DAEHO HWANG

IPC: G09G3/00 ,  G09G3/3233

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G2330/045 ,  G09G2330/12

Abstract: A display device is disclosed that includes a display panel including a plurality of pixels, a printed circuit board connected to the display panel, a temperature sensor disposed on the printed circuit board, a flexible circuit board that connects the display panel to the printed circuit board, a data driver disposed on the flexible circuit board, and a temperature sensing part disposed on the printed circuit board. The flexible circuit board is bent such that the printed circuit board is disposed under the display panel and the temperature sensor is disposed adjacent to a sensing pixel outputting a sensing current among the pixels.

公开(公告)号：US20230232714A1

公开(公告)日：2023-07-20

申请号：US17976568

申请日：2022-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： YESEUL LEE ,  JANG YEOL BAEK ,  HEECHOON AHN ,  HYOYOUNG LEE ,  SEOWON CHO

IPC: H01L51/00 ,  C07F5/02 ,  C07F7/08 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07F5/027 ,  H01L51/0094 ,  C07F7/0812 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0067 ,  H01L51/5024 ,  C07B2200/05

Abstract: A light emitting element that includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element has a reduced driving voltage and an increased efficiency.

公开(公告)号：US20230189634A1

公开(公告)日：2023-06-15

申请号：US17950958

申请日：2022-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGMIN KIM ,  HEECHOON AHN ,  HYUNAH UM ,  Juhui YUN ,  YESEUL LEE

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0094 ,  H01L51/0072 ,  H01L51/5024 ,  H01L2251/5376

Abstract: A light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer which is disposed between the first electrode and the second electrode, and includes a polycyclic compound represented by Formula 1 below, thereby exhibiting high efficiency and low driving voltage characteristics.