Luminescent material with polycyclic ligand

A ligand and carbocyclic technology, applied in the field of luminescent materials with polycyclic ligands, can solve problems such as improvement, unnoticed performance, unnoticed performance improvement, etc., and achieves improved device life, good luminescent color, The effect of good device performance

Pending Publication Date: 2022-05-06
BEIJING SUMMER SPROUT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Disclosed in CN110698518A has Structure metal complexes, wherein X is N or P, one of the disclosed structures is: The inventor explored the performance improvement brought by the bridging of N and P atoms, but did not notice the performance improvement brought about by introducing a fused ring system at a specific position of a spe

Method used

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  • Luminescent material with polycyclic ligand
  • Luminescent material with polycyclic ligand
  • Luminescent material with polycyclic ligand

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Embodiment Construction

[0038] OLEDs can be fabricated on various substrates such as glass, plastic and metal. figure 1 The organic light emitting device 100 is shown schematically and non-limitatively. The drawings are not necessarily drawn to scale, and some layer structures in the drawings can also be omitted as needed. Device 100 may include substrate 101 , anode 110 , hole injection layer 120 , hole transport layer 130 , electron blocking layer 140 , light emitting layer 150 , hole blocking layer 160 , electron transport layer 170 , electron injection layer 180 and cathode 190 . Device 100 may be fabricated by sequentially depositing the described layers. The properties and functions of the various layers and exemplary materials are described in more detail in US Patent No. 7,279,704 B2, columns 6-10, the entire contents of which are incorporated herein by reference.

[0039] Each of these layers has more instances. For example, flexible and transparent substrate-anode combinations are disclo...

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Abstract

A luminescent material having a polycyclic ligand is disclosed. The luminescent material is a metal complex with a polycyclic ligand, and can be used as a luminescent material in an electroluminescent device. The novel metal complexes can better adjust the light emitting color of a device, lower the driving voltage of the device or keep a low voltage level, improve the efficiency of the device, greatly prolong the service life of the device and provide better performance of the device while keeping very narrow half-peak width. An electroluminescent device and a compound combination are also disclosed.

Description

technical field [0001] The present invention relates to compounds for use in organic electronic devices, such as organic light emitting devices. More particularly, it relates to a metal complex having a polycyclic ligand, and electroluminescent devices and compound combinations comprising the metal complex. Background technique [0002] Organic electronic devices include but are not limited to the following categories: organic light-emitting diodes (OLEDs), organic field-effect transistors (O-FETs), organic light-emitting transistors (OLETs), organic photovoltaic devices (OPVs), dye-sensitized solar cells (DSSCs) , organic optical detectors, organic photoreceptors, organic field-effect devices (OFQDs), light-emitting electrochemical cells (LECs), organic laser diodes, and organic plasmonic light-emitting devices. [0003] In 1987, Tang and Van Slyke of Eastman Kodak reported a double-layer organic electroluminescent device that included an arylamine hole-transport layer and...

Claims

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Application Information

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IPC IPC(8): C07F15/00C09K11/06H01L51/54
CPCC07F15/0033C09K11/06C09K2211/185C09K2211/1048C09K2211/1033H10K85/342
Inventor 张翠芳张奇路楠楠代志洪邝志远夏传军
Owner BEIJING SUMMER SPROUT TECH CO LTD
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