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1. WO2020062720 - ORGANIC LIGHT EMITTING DIODE, DISPLAY PANEL AND DISPLAY DEVICE

Publication Number WO/2020/062720
Publication Date 02.04.2020
International Application No. PCT/CN2019/071943
International Filing Date 16.01.2019
IPC
H01L 51/50 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H01L 27/32 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
28including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
32with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
CPC
H01L 27/3211
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
28including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
32with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes [OLED]
3206Multi-colour light emission
3211using RGB sub-pixels
H01L 51/5096
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED]
5096Carrier blocking layer
Applicants
  • 云谷(固安)科技有限公司 YUNGU (GU'AN) TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 李维维 LI, Weiwei
  • 何麟 HE, Lin
  • 李梦真 LI, Mengzhen
  • 田景文 TIAN, Jingwen
  • 李田田 LI, Tiantian
Agents
  • 北京远智汇知识产权代理有限公司 BEIJING YZH IP FIRM
Priority Data
201811160045.X30.09.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ORGANIC LIGHT EMITTING DIODE, DISPLAY PANEL AND DISPLAY DEVICE
(FR) DIODE ÉLECTROLUMINESCENTE ORGANIQUE, ÉCRAN D'AFFICHAGE ET DISPOSITIF D'AFFICHAGE
(ZH) 有机发光二极管、显示面板和显示装置
Abstract
(EN)
Disclosed are an organic light emitting diode, a display panel and a display device. The organic light emitting diode comprises a first electrode, a second electrode, a light emitting layer, and an electron blocking layer. The first electrode is opposite to the second electrode. The light emitting layer is located between the first electrode and the second electrode. The electron blocking layer is located between the light emitting layer and the first electrode. The LUMO energy level of the electron blocking layer is higher than that of a light-emitting host material in the light emitting layer. A first energy level difference between the LUMO energy level of the electron blocking layer and the LUMO energy level of the light-emitting host material in the light emitting layer is A, wherein A is greater than or equal to 0.4 eV.
(FR)
L'invention concerne une diode électroluminescente organique, un écran d'affichage et un dispositif d'affichage. La diode électroluminescente organique comprend une première électrode, une seconde électrode, une couche électroluminescente et une couche de blocage d'électrons. La première électrode est à l'opposé de la seconde. La couche électroluminescente est située entre la première électrode et la seconde. La couche de blocage d'électrons est située entre la couche électroluminescente et la première électrode. Le niveau d'énergie LUMO de la couche de blocage d'électrons est supérieur à celui d'un matériau hôte électroluminescent dans la couche électroluminescente. Une première différence de niveau d'énergie entre le niveau d'énergie LUMO de la couche de blocage d'électrons et le niveau d'énergie LUMO du matériau hôte électroluminescent dans la couche électroluminescente est appelée A. A est supérieure ou égale à 0,4 eV.
(ZH)
本申请公开了一种有机发光二极管、显示面板和显示装置,该有机发光二极管包括:第一电极、第二电极、发光层和电子阻挡层;所述第一电极与所述第二电极相对设置;所述发光层位于所述第一电极与所述第二电极之间;所述电子阻挡层位于所述发光层与所述第一电极之间。其中,所述电子阻挡层的LUMO能级高于所述发光层中的发光主体材料的LUMO能级,且所述电子阻挡层的LUMO能级与所述发光层中的发光主体材料的LUMO能级的第一能级差表示为A,其中,A≥0.4eV。
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