公开(公告)号：US20170033301A1

公开(公告)日：2017-02-02

申请号：US15223514

申请日：2016-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： WONSUK HAN ,  DONGCHAN KIM ,  WONJONG KIM ,  EUNGDO KIM ,  DONGKYU SEO ,  JIHYE LEE ,  DAHEA IM ,  SANGHOON YIM ,  YOONHYEUNG CHO

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0085 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0084 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/0094 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5096 ,  H01L2251/301 ,  H01L2251/303 ,  H05B33/14 ,  H05B33/20

Abstract: An organic light-emitting device is provided to have high efficiency and long lifespan. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a host and a dopant; an electron blocking layer disposed between the first electrode and the emission layer; and an electron transport region disposed between the emission layer and the second electrode, in which the electron blocking layer includes a metal halide, a metal oxide, or a combination thereof, and the actually measured lowest unoccupied molecular orbital (LUMO) value of the electron blocking layer is greater than the actually measured LUMO value of the host in the emission layer.

Abstract translation: 提供有机发光装置，其效率高，使用寿命长。 有机发光器件包括：第一电极; 面对所述第一电极的第二电极; 布置在第一电极和第二电极之间并且包括主体和掺杂剂的发射层; 设置在第一电极和发射层之间的电子阻挡层; 以及设置在发射层和第二电极之间的电子传输区域，其中电子阻挡层包括金属卤化物，金属氧化物或其组合，并且实际测量的电子的最低未占分子轨道（LUMO）值 阻挡层大于发射层中主体的实际测量的LUMO值。

公开(公告)号：US20230140380A1

公开(公告)日：2023-05-04

申请号：US17880871

申请日：2022-08-04

Applicant: Samsung Display Co., Ltd.

Inventor： JUNYONG SHIN ,  SEOKGYU YOON ,  DONGKYU SEO ,  DAEHO LEE ,  BYUNGSEOK LEE ,  JIN-SOO JUNG ,  MINSOO CHOI ,  YOUNGEUN CHOI

IPC: H01L27/28

Abstract: An electronic device including: a base layer; a display element layer disposed on the base layer and including a pixel defining layer that includes an opening, and a light emitting element and a light receiving element, which are separated by the pixel defining layer; and an input sensing layer disposed on the display element layer, wherein 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, wherein the second electrode is a common layer in the light emitting element and the light receiving element, the light emitting element comprises a light emitting layer disposed between the hole transport region and the electron transport region, and the light receiving element comprises a light receiving layer which is provided between the first electrode and the second electrode and disposed in a layer different from the light emitting layer in a thickness direction of the electronic device.

公开(公告)号：US20230157125A1

公开(公告)日：2023-05-18

申请号：US17885856

申请日：2022-08-11

Applicant: Samsung Display Co., Ltd.

Inventor： DONGKYU SEO ,  JUNYONG SHIN ,  SEOKGYU YOON ,  DAEHO LEE ,  BYUNGSEOK LEE ,  JIN-SOO JUNG ,  MINSOO CHOI

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L27/3227 ,  H01L51/5072 ,  H01L27/3246 ,  H01L51/5056 ,  H01L51/5275 ,  H01L51/5036

Abstract: A light receiving element includes a first electrode, a hole transport region disposed on the first electrode, a light receiving layer disposed on the hole transport region and converting incident light to an electrical signal, an electron transport region disposed on the light receiving layer, and a second electrode disposed on the electron transport region. The light receiving layer includes a p-dopant compound, a donor compound, and an acceptor compound.