公开(公告)号：US20240237382A1

公开(公告)日：2024-07-11

申请号：US18528513

申请日：2023-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Hojung Syn ,  Changwoong Chu

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/16

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 a reverse potential layer and an emission layer, where a sign of a giant surface potential value of the reverse potential layer is opposite to a sign of a giant surface potential value of the emission layer.

公开(公告)号：US11937502B2

公开(公告)日：2024-03-19

申请号：US15098258

申请日：2016-04-13

Applicant: Samsung Display Co., Ltd. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Sung-Wook Kim ,  Myeong-Suk Kim ,  Hwan-Hee Cho ,  Sam-Il Kho ,  Seung-Soo Yoon ,  Changwoong Chu

IPC: H01L51/54 ,  H10K85/60 ,  C09K11/06 ,  C09K11/02 ,  C07D495/10 ,  C07D491/107 ,  H10K50/11

CPC classification number: H10K85/657 ,  C07D491/107 ,  C07D495/10 ,  C09K11/025 ,  C09K11/06 ,  H10K85/626 ,  H10K85/6574 ,  H10K85/6576 ,  C09K2211/1007 ,  C09K2211/1014 ,  H10K50/11

Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided. The condensed cyclic compound is represented by Formula 1. The A3 ring of Formula 1 is a group represented by Formula 2A or a group represented by Formula 2B. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including at least one of the condensed cyclic compound represented by Formula 1.

公开(公告)号：US20230217817A1

公开(公告)日：2023-07-06

申请号：US18150053

申请日：2023-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongchan Lee ,  Jinwon Sun ,  Eunhye Song ,  Jonghyeon Lee ,  Pyungeun Jeon ,  Changwoong Chu

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06

CPC classification number: H10K85/654 ,  C09K11/06 ,  H10K85/346 ,  H10K85/6572 ,  H10K50/166

Abstract: A light-emitting device includes an electron transport region including a first electron transport layer and a second electron transport layer. The first electron transport layer includes a first compound, the second electron transport layer includes a second compound, the first compound includes a pyrimidine group, the second compound includes a triazine group, and an absolute value of a lowest unoccupied molecular orbital (LUMO) energy of the first compound (ELUMO_E1) is less than an absolute value of a LUMO energy of the second compound (ELUMO_E2). An electronic apparatus including the light-emitting device.

公开(公告)号：US20230157041A1

公开(公告)日：2023-05-18

申请号：US17852154

申请日：2022-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Eungdo Kim ,  Changwoong Chu ,  Junha Park ,  Mieun Jun

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/5004 ,  H01L51/5072 ,  H01L51/0072 ,  H01L51/0059 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/0064 ,  H01L51/0087 ,  H01L51/0067 ,  H01L51/0069 ,  H01L51/008 ,  H01L51/5092 ,  H01L51/5024 ,  H01L51/5056

Abstract: A light-emitting device in which a difference between a highest occupied molecular orbital (HOMO) energy level of a dopant, which has a smaller absolute value of HOMO energy level among a first dopant and a second dopant, and a HOMO energy level of a first host is 0.3 eV or less.

公开(公告)号：US20220359628A1

公开(公告)日：2022-11-10

申请号：US17652771

申请日：2022-02-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： MINSOO CHOI ,  Seokgyu Yoon ,  Byeongwook Yoo ,  Changwoong Chu

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

Abstract: An electronic device includes a base layer and a display element layer including a pixel definition layer having an opening defined therethrough, a light emitting element, and a light receiving element. Each of the light emitting element and the light receiving element includes a first electrode, a hole transport region disposed on the first electrode, an electron transport region disposed on the hole transport region, and a second electrode disposed on the electron transport region. The light emitting element includes a light emitting layer disposed between the hole transport region and the electron transport region. The light receiving element includes a light receiving layer disposed between the hole transport region and the electron transport region and an electron extraction layer, including an n-dopant material, disposed between the light receiving layer and the electron transport region. The light receiving element converts a light incident thereto into an electrical signal.

公开(公告)号：US20160359121A1

公开(公告)日：2016-12-08

申请号：US14986420

申请日：2015-12-31

Applicant: Samsung Display Co., Ltd.

Inventor： Naoyuki Ito ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Sunghun Lee ,  Jungsub Lee ,  Changwoong Chu

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/0085 ,  H01L27/3213 ,  H01L27/3218 ,  H01L51/008 ,  H01L51/5016

Abstract: An organic light-emitting display device includes a pixel including a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, where the first sub-pixel includes a first emission layer that emits a first color light, the second sub-pixel includes a second emission layer that emits a second color light, the third sub-pixel includes a third emission layer that emits a third color light, and the fourth sub-pixel includes a fourth emission layer that emits a fourth color light; the first color light, the second color light, the third color light, and the fourth color light are different from each other; at least one emission layer selected from the first emission layer, the second emission layer, the third emission layer, and the fourth emission layer includes an organometallic compound; and the organometallic compound includes iridium (Ir).

Abstract translation: 有机发光显示装置包括包括第一子像素，第二子像素，第三子像素和第四子像素的像素，其中第一子像素包括发射第一子像素的第一发射层 第一子像素包括发射第二色光的第二发射层，第三子像素包括发射第三颜色光的第三发射层，第四子像素包括第四发射层，第四发射层包括第四发射层， 发出第四色光; 第一色光，第二色光，第三色光和第四色光彼此不同; 选自第一发光层，第二发光层，第三发光层和第四发射层的至少一个发射层包括有机金属化合物; 有机金属化合物包括铱（Ir）。