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Organic light emitting diode and organic light emitting device including same

A light-emitting diode, organic technology, applied in the direction of light-emitting materials, organic semiconductor devices, chemical instruments and methods, etc., can solve the problems of short light-emitting life, commercialization limitations, etc.

Pending Publication Date: 2021-05-28
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, metal complex compounds, which are typical phosphorescent materials, have a short emission lifetime and thus have limitations in commercialization

Method used

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  • Organic light emitting diode and organic light emitting device including same
  • Organic light emitting diode and organic light emitting device including same
  • Organic light emitting diode and organic light emitting device including same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0151](11) Example 1 (EX1)

[0152]The compound 1-1 (30% by weight) of the formula 2 and the compound 2-1 (1% by weight) of formula 2 (1% by weight) of the compound 1-1 (1% by weight) of formula 2 were used to form EML.

Embodiment 2

[0153](12) Example 2 (EX2)

[0154]The compounds 1-6 (30% by weight) of formula 2 and compound 2-1 (1% by weight) of formula 2 were used to form EML.

Embodiment 3

[0155](13) Example 3 (EX3)

[0156]The compound 1-1 (30% by weight) of formula 2 and the compounds 2-10 (1% by weight) of Formula 2 were used to form EML.

[0157](14) Example 4 (EX4)

[0158]The compounds 1-6 (30% by weight) of formula 2 and compounds 2-10 (1% by weight) of formula 2 were used to form EML.

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PUM

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Abstract

The present disclosure provides an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a light emitting material layer including a first compound and a second compound positioned between the first and second electrodes, wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms, and an organic light emitting device including the organic light emitting diode.

Description

[0001]Cross-reference[0002]The present invention requires South Korean Patent Application No. 10-2019-0155531 submitted in Republic of Korea on November 28, 2019, in Korean Patent Application Serial No. 10-2020-0128779, in Republic of Korea, in the Republic of Korea All are incorporated herein by reference.Technical field[0003]The present disclosure relates to an organic light emitting diode, and more particularly to an organic light-emitting diode having excellent luminescence characteristics and an organic light-emitting device including the organic light emitting diode.Background technique[0004]Recently, the demand for a flat panel display device having a small footprint is increased. In the flat panel display device, the technique of organic light-emitting display devices, which can be referred to as an organic electroluminescent device, can be developed rapidly in a flat panel display device.[0005]The OLED is illuminated by means of electrons from the cathode as an electronic i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/54H01L27/32H10K99/00
CPCH10K59/12H10K85/657H10K85/6572H10K50/121H10K50/11H10K2101/40H10K50/13H10K85/658C09K11/06H10K2101/30H10K2101/20C09K2211/1018H10K85/322H10K85/622H10K85/631H10K85/633H10K85/654H10K85/626H10K2101/10
Inventor 崔益朗柳慧根金捘演金成根李周永
Owner LG DISPLAY CO LTD