880800-19-1Relevant articles and documents
Organic light-emitting auxiliary layer material, preparation method and application thereof, and organic electroluminescent device
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Paragraph 0095-0098, (2021/06/21)
The invention discloses an organic light-emitting auxiliary layer material, a preparation method and application thereof, and an organic electroluminescent device, and relates to the field of organic photoelectric materials. The chemical structural formula of the organic light-emitting auxiliary layer material is shown in the specification, wherein R1, R2, R3 and R4 are independently selected from hydrogen, deuterium, halogen, cyano, substituted or non-substituted alkyl, substituted or non-substituted aryl, substituted or non-substituted heteroaryl and a substituted or non-substituted fused ring group, and Ar1 and Ar2 are respectively and independently selected from a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, a substituted or unsubstituted fused ring group and a substituted or unsubstituted spiro group. The organic light-emitting auxiliary layer material has efficient electron blocking capability and hole transport capability, a device prepared from the organic light-emitting auxiliary layer material has high light-emitting efficiency, low driving voltage and high heat resistance, the color purity of the device can be improved, and the service life of the device can be prolonged. The organic light-emitting auxiliary layer material can be widely applied to organic electroluminescent devices.
Amine-based compound and organic light emitting diode comprising the same
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Paragraph 0214; 0229-0232; 0260-0261; 0264-0265, (2020/09/08)
An amine-based compound and an organic light-emitting diode including the same are provided.
INDANE DERIVATIVES AND THEIR USE IN ORGANIC ELECTRONICS
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Page/Page column 85; 86, (2018/12/02)
The present invention relates to indane derivatives of the formula (I) and mixtures thereof, wherein X is selected from groups of the formula -A-(NAr2), wherein A is a chemical bond or phenylene which is unsubstituted or substitutedby 1, 2 or 3 substituents selected from C1-C6-alkyl and C1-C6-alkoxy; Ar is unsubstituted or substituted aryl, wherein two groups Ar bound to the same nitrogen atom may together with the nitrogen atom also form a fused ring system having 3 or more than 3 unsubstituted or substituted rings; and the variables Y, n, m, k and l are as defined in the claims and the description. The invention further relates to methods for preparing such compounds and their use in organic electronics, in particular as hole transport material or electron blocking material.
Fluorene naphthofuran derivative and application thereof
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Paragraph 0062-0064; 0208, (2018/07/06)
The invention provides a compound shown in the general formula (1), wherein A-A are respectively and independently selected from Ar, N(Ar)(Ar), hydrogen, F, Cl, Br, I, CHO, C(=O)Ar, P(=O)(Ar)2, S(=O)Ar, S(=o)2Ar, CN, NO2, Si(R)3, C1-C30 substituted or unsubstituted alkyl groups or naphthenic groups, alkenyl groups and alkoxy or thioalkoxy groups; at least one of A-A is selectedfrom Ar or N(Ar1)(Ar2); when two adjacent substituent groups in the A-A are independently selected from Ar or N(Ar1)(Ar2), the two substituent groups can be fused into a ring; Ar, Ar and Ar are respectively and independently selected from C6-C30 substituted or unsubstituted aryl groups or are C5-C30 substituted or unsubstituted heteroaryl groups; substituent groups on the aryl or heteroaryl groups are independently selected from F, Cl, Br, I, CHO, CN and NO2 or selected from C1-C30 alkyl groups or naphthenic groups, alkenyl groups and alkoxy or thioalkoxy groups.
Aromatic amine derivative and organic electroluminescent device including the same
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Paragraph 0077; 0079; 0080; 0081; 0082, (2016/11/14)
The present invention provides a new aromatic amine derivative having excellent luminous efficiency and durability; and an organic electroluminescent device comprising the aromatic amine derivative in an organic layer and thus having a low driving voltage and improved luminous efficiency. Provided is an aromatic amine derivative represented by chemical formula 1. In chemical formula 1, the definition of each substituent is the same as defined in the detailed description of the present invention.(AA) Negative electrode(BB) Electron injection layer(CC) Electron transfer layer(DD) Light emitting layer(EE) Hole transporting layer(FF) Hole injection layer(GG) Positive electrodeCOPYRIGHT KIPO 2015
Organic light-emitting device
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Page/Page column 29, (2011/04/18)
The present invention provides a heterocyclic compound and an organic light-emitting device including the heterocyclic compound. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltage, high luminance and long lifespan.
COMPOUNDS AND ORGANIC LIGHT EMITTING DIODE USING THE SAME
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Page/Page column 118, (2010/04/23)
Disclosed are new compounds and an organic light emitting diode using the same. The organic light emitting diode using the new compound according to the present invention exhibits excellent characteristics in terms of actuating voltage, light efficiency, and lifespan.
AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME
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Page/Page column 40, (2009/08/16)
An aromatic amine derivative with a specific structure having a carbazole skeleton to which a diarylamino group bonds via a bonding group. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers contains the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices with enhanced efficiency of light emission and a compound realizing the devices are provided.
NEW COMPOUNDS AND ORGANIC LIGHT EMITTING DIODE USING THE SAME
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Page/Page column 50, (2008/12/06)
Disclosed are new compounds and an organic light emitting diode using the same. The organic light emitting diode using the new compound according to the present invention exhibits excellent characteristics in terms of actuating voltage, light efficiency, and lifespan.