Organic compound, and organic light emitting diode and organic light emitting display device including same

A technology of organic compounds and light-emitting diodes, which is applied in the fields of diodes, organic chemistry, and compounds of group 4/14 elements of the periodic table, and can solve the problems of decreased luminous efficiency of organic light-emitting diodes, increased driving voltage of organic light-emitting diodes, and lifespan of organic light-emitting diodes. Lowering and other issues

Active Publication Date: 2018-04-06
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the amount of electrons injected from the EIL into the ETL decreases, so that the driving voltage of the OLED increases and the luminous efficiency of the OLED decreases.
In addition, the lifetime of OLEDs is reduced

Method used

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  • Organic compound, and organic light emitting diode and organic light emitting display device including same
  • Organic compound, and organic light emitting diode and organic light emitting display device including same
  • Organic compound, and organic light emitting diode and organic light emitting display device including same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0179] 1. Embodiment 1 (Ex1)

[0180] An ITO layer was deposited and patterned on the substrate and washed to form an anode (2mm x 2mm). Load the substrate with 5~7×10 -8 in a vacuum chamber at a reference pressure, and deposit the layers in the following order.

[0181] (1) HIL: (HAT-CN, ),

[0182] (2) HTL: the first layer (NPD+N,N'-diphenyl-N-naphthyl-N'-biphenyl-1,1'-biphenyl-4,4"-diamine (10 % doped), ) and the second layer (TCTA, ),

[0183] (3) EML: (9,10-di(naphthalene-2-yl)-anthracene + tert-butyl-perylene (5% doping), ),

[0184] (4) ETL: (2-[4-(9,10-Di-2-naphthyl-2-anthracenyl)phenyl]-1-phenyl-1H-benzimidazole, ),

[0185] (5) EIL: (ET_243 compound, ),and

[0186] (6) Cathode: (Al, )

Embodiment 2

[0195] 1. Embodiment 2 (Ex2)

[0196] An ITO layer was deposited and patterned on the substrate and washed to form an anode (2mm x 2mm). Load the substrate with 5~7×10 -8 in a vacuum chamber at a reference pressure, and deposit the layers in the following order.

[0197] (1) HIL: (HAT-CN, ),

[0198] (2) The first HTL: the first layer (NPD+N,N'-diphenyl-N-naphthyl-N'-biphenyl-1,1'-biphenyl-4,4"-diamine (10% doped), ) and the second layer (TCTA, ),

[0199] (3) First EML: (AND+ tert-butyl-perylene (5% doping), ),

[0200] (4) The first ETL: (2-[4-(9,10-Di-2-naphthyl-2-anthracenyl)phenyl]-1-phenyl-1H-benzimidazole, ),

[0201] (5) The first N-type CGL: (ET_35 compound + Li (2% doping), ),

[0202] (6) The first P-type CGL: (HAT-CN, ),

[0203] (7) The second HTL: the first layer (NPD, ) and the second layer (TCTA, ),

[0204] (8) The second EML: (BAlq+Ir(2-phq) 3 (10% doped, YG dopant), ),

[0205] (9) Second ETL: (2-[4-(9,10-Di-2-naphthyl-2-anthrac...

Embodiment 3

[0213] 2. Embodiment 3 (Ex3)

[0214] Compound ET_243 was used instead of compound ET_35 for the first and second N-type CGL.

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Abstract

The invention provides an organic compound represented by: and an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improves an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.

Description

[0001] This application claims the benefit of Korean Patent Application No. 10-2016-0125311 filed in Korea on Sep. 29, 2016, which is hereby incorporated by reference. technical field [0002] The present invention relates to an organic compound, and more particularly, to an organic compound capable of reducing a driving voltage of an organic light emitting diode and improving luminous efficiency and lifetime of an organic light emitting diode and an organic light emitting display device including the organic compound. Background technique [0003] Recently, as demand for flat panel display devices having a smaller footprint increases, organic light emitting display (OLED) devices including organic light emitting diodes have been technically developed. [0004] OLEDs emit light by injecting electrons from a cathode serving as an electron-injecting electrode and holes from an anode serving as a hole-injecting electrode into an emissive material layer (EML), combining electrons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D401/14C07D405/14C07D409/14C07F7/10H01L51/54
CPCC07D401/14C07D405/14C07D409/14C07F7/0816H10K85/622H10K85/615H10K85/654H10K85/6576H10K85/6574H10K85/40H10K85/6572H10K50/171H10K50/19C07D403/14C09K11/06C09K2211/1059C09K2211/1029H10K59/123H10K50/13H10K50/16H10K50/17H10K59/12H10K59/38
Inventor 尹丞希朱性壎刘璇根申智彻
Owner LG DISPLAY CO LTD
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