公开(公告)号：US20230180503A1

公开(公告)日：2023-06-08

申请号：US17900271

申请日：2022-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Yoonseok KA ,  Ji Young MOON ,  Hakchoong LEE ,  Pilgu KANG ,  Dong Chan KIM ,  Ha Jin SONG ,  Jung Ho CHOI ,  Jae Hoon HWANG

IPC: H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5068 ,  H01L27/3244 ,  H01L51/502 ,  H01L51/5084

Abstract: An embodiment provides a light emitting device including: a first electrode; a second electrode overlapping the first electrode in a plan view; and a light emitting part disposed between the first electrode and the second electrode. The second electrode includes a first layer disposed on the light emitting part and including a first organic material, and a metal thin film layer disposed on the first layer and including a first metal. The light emitting part includes an emission layer, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode. The first layer is disposed on the electron transport region.

公开(公告)号：US20230157164A1

公开(公告)日：2023-05-18

申请号：US17900176

申请日：2022-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Seul Ong KIM ,  Yoonseok KA ,  Ha Jin SONG ,  Hakchoong LEE ,  Jae Hoon HWANG

IPC: H01L51/00 ,  C07D403/04 ,  C09K11/06

CPC classification number: H01L51/0072 ,  C07D403/04 ,  C09K11/06 ,  H01L51/0067 ,  H01L51/0052 ,  H01L51/5072

Abstract: A light-emitting device includes: a first electrode; a second electrode that overlaps the first electrode; m emission parts positioned between the first electrode and the second electrode; and (m-1) charge generating layers disposed between adjacent emission parts. Each of the charge generating layers may include an n-type charge generating layer and a p-type charge generating layer, and the n-type charge generating layer may include a compound represented by Chemical Formula 1:

公开(公告)号：US20150318509A1

公开(公告)日：2015-11-05

申请号：US14510697

申请日：2014-10-09

Applicant: Samsung Display Co., Ltd.

Inventor： Ha Jin SONG ,  Dal Ho KIM ,  Heun Seung LEE

IPC: H01L51/50 ,  H01L27/32

CPC classification number: H01L27/3211 ,  H01L27/3216 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0065 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5008 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5265 ,  H01L2251/5376 ,  H01L2251/552

Abstract: An organic light-emitting display including a substrate having a first pixel area to emit a light of a first color and a second pixel area to emit a light of a second color, a first anode disposed on the first pixel area and a second anode disposed on the second pixel area, a first emitting layer disposed on the first anode and a second emitting layer disposed on the second anode, the first emitting layer including a fluorescent light-emitting material and the second emitting layer including a first phosphorescent light-emitting material, a first buffer layer disposed on the first emitting layer and a second buffer layer disposed on the second emitting layer, the first buffer layer and the second buffer layer being formed of different materials, and a first cathode disposed on the first buffer layer and a second cathode disposed on the second buffer layer.

Abstract translation: 一种有机发光显示器，包括具有发射第一颜色的光的第一像素区域和第二颜色的光的第二像素区域的基板，设置在第一像素区域上的第一阳极和设置在第一像素区域上的第二阳极 在第二像素区域上，设置在第一阳极上的第一发光层和设置在第二阳极上的第二发光层，第一发光层包括荧光发光材料，第二发光层包括第一磷光发光材料 设置在所述第一发光层上的第一缓冲层和设置在所述第二发光层上的第二缓冲层，所述第一缓冲层和所述第二缓冲层由不同材料形成，所述第一阴极设置在所述第一缓冲层上， 第二阴极，设置在第二缓冲层上。