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

A technology of organic compounds and light-emitting diodes, applied in organic chemistry, luminescent materials, chemical instruments and methods, etc., can solve the problems that phosphorescent materials are not enough to emit blue light, and phosphorescent materials are expensive

Pending Publication Date: 2021-05-21
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, phosphorescent materials are very expensive since they contain rare earth metals such as iridium (Ir)
Additionally, state-of-the-art phosphorescent materials are not strong enough to emit blue light

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

[0164] (3) Embodiment 1 (Ex1)

[0165] The compound H1 (64.5wt%) of formula 4, the compound T1 (35wt%) of formula 5 and the compound 1-1 (0.5wt%) of formula 3 are respectively used as host, delayed fluorescence dopant and fluorescent dopant, with Form EML.

Embodiment 2

[0166] (4) Embodiment 2 (Ex2)

[0167] The compound H1 (64.5wt%) of formula 4, the compound T1 (35wt%) of formula 5 and the compound 1-22 (0.5wt%) of formula 3 are respectively used as host, delayed fluorescence dopant and fluorescent dopant, with Form EML.

Embodiment 3

[0168] (5) Embodiment 3 (Ex3)

[0169] The compound H1 (64.5wt%) of formula 4, the compound T1 (35wt%) of formula 5 and the compound 1-30 (0.5wt%) of formula 3 are respectively used as host, delayed fluorescence dopant and fluorescent dopant, with Form EML.

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PUM

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Abstract

The present invention relates to an organic compound, and an organic light emitting diode and an organic light emitting display device comprising the same. Provided are an organic compound of the following formula, and an organic light emitting diode and an OLED device including the same.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Application No. 10-2019-0150263 filed in Korea on November 21, 2019 and Korean Patent Application No. 10-2020-0114592 filed in Korea on September 8, 2020, the entire contents of which are adopted Incorporated herein by reference. technical field [0003] The present invention relates to an organic compound, more particularly to an organic compound with high luminous efficiency, and an organic light emitting diode and an organic light emitting display (OLED) device comprising the organic compound. Background technique [0004] Recently, demand for flat panel display devices with a small footprint has increased. Among flat panel display devices, technology of OLED devices including organic light emitting diodes is rapidly developing. [0005] Organic light-emitting diodes inject electrons from the cathode (as the electron injection electrode) and holes from the anode...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C13/72C07C211/61C07D209/86C07D307/91C07D333/76C09K11/06H01L51/50H01L51/54H10K99/00
CPCC07C13/72C07C211/61C07D209/86C07D307/91C07D333/76C09K11/06C09K2211/1029C09K2211/1011C09K2211/1014C09K2211/1088C09K2211/1092C07C2603/94H10K85/624H10K85/633H10K85/6576H10K85/6574H10K85/6572H10K50/11C07D407/10C07C2603/18H10K85/622H10K2101/20C07C13/62C07C211/54
Inventor 裵淑英尹炅辰尹大伟申仁爱柳美相
Owner LG DISPLAY CO LTD