38results about How to "Conducive to solid accumulation" patented technology

The invention provides a compound and an organic electroluminescent device using the compound. The compound is expressed by a general formula (I) shown in the description, wherein X is O, S or Se; Ar1and Ar2 are respectively and independently selected from C6-C30 aryls, C3-C30 heteroaryls and A, and at least one of the Ar1 and the Ar2 is a heteroaryl; L1 and L2 are respectively and independentlyselected from a single bond, C6-C30 arylidenes and C3-C30 sub-heteroaryls; R1 and R2 are respectively and independently selected from hydrogen, C1-C12 alkyls or naphthenic bases, the C6-C30 aryls andthe C3-C30 heteroaryls, and the adjacent R1 and R2 can be connected into a ring; p and q are respectively 1-4 integers; m and n are respectively 0-4 integers; Ar3 and Ar4 are respectively and independently selected from the C6-C30 aryls and the C3-C30 heteroaryls; and when above various groups have substituent groups, the substituent groups are the aryls or the heteroaryls.

The invention provides a novel organic light-emitting material. The novel organic light-emitting material is used for a light-emitting main body material and an electron transport layer material of anorganic light-emitting device. The invention also provides an organic light-emitting device comprising the novel organic light-emitting material.

The invention relates to the technical field of organic materials, and provides an organic compound as well as an electronic element and an electronic device using the same. The structure of the organic compound is composed of a chemical formula I and a chemical formula II. When the organic compound is used for a light-emitting layer of an organic electroluminescencedevice, the efficiency of the device can be effectively improved, and the service life of the organic electroluminescence device is prolonged.

The invention discloses a pyrene derivative and application thereof to an organic luminescent material. The invention also provides an organic electroluminescent light-emitting device, wherein the device comprises an organic electroluminescent compound. According to the compound of the pyrene derivative disclosed by the invention, by introducing a pyrene structure, the high-efficient and balancedtransmission performance of a current carrier is realized.

The invention provides a novel organic light-emitting material which is used as a light-emitting main body material and an electron transport layer material of an organic light-emitting device. The invention also provides the organic light-emitting device which comprises the novel organic light-emitting material provided by the invention.

The present invention provides a compound as shown in a general formula (I), which can be used in hole transport materials. The compound has a fluorene fused ring linked ortho-substituted phenyl triarylamine parent structure, is high in bond energy among atoms, has good thermal stability, is beneficial to solid accumulation among molecules, and is high in hole transition capability. When the compound is applied to a hole transport layer, a proper energy level level exists between the compound and an adjacent layer, hole injection and migration are facilitated, the driving voltage can be effectively reduced, meanwhile, the hole migration rate is high, and the luminous efficiency of an organic electroluminescent device can be effectively improved. The invention also provides a hole transportmaterial containing the compound as shown in the general formula (I), an organic electroluminescent device and a display apparatus.

The present invention provides a new organic electroluminescent material and an organic electroluminescent device using the same, wherein the organic electroluminescent material is represented by a general formula (1), and Z, X<1>-X<2>, Y<1>-Y<8>, R<1>-R<3>, Ar, n, m and p are defined in the specification.

The invention relates to a novel organic compound, in particular to an organic light-emitting material, and further discloses a preparation method thereof and application for preparing an organic electroluminescent device. The disclosed organic light-emitting material has a parent structure of a triphenylene fused aromatic ring with polycyclic conjugation characteristics, bond energy between atomsis high, thermal stability is good, solid-state accumulation between molecules is also facilitated, and the service life of the material can be effectively prolonged when being used as a light-emitting layer.

The present application provides a compound of a general formula (I). The compound can be used in electron transport materials. The compound has a parent structure of an electron-withdrawing fragment phenanthroline, has high bond energy between atoms, good thermal stability, is beneficial to solid-state accumulation between molecules, has strong electron transition ability, and can be used as an electron transport material to effectively reduce the driving voltage of the organic electroluminescent device, improve the current efficiency and prolong the service life of the organic electroluminescent device. The invention also provides an organic electroluminescent device and a display device containing the compound of the general formula (I).

The invention provides an aza-aromatic compound which can be used as an electron transport material. The compound has an asymmetrically substituted dibenzoheterocycle parent structure, is high in bond energy between atoms, has good thermal stability, is beneficial to solid-state accumulation between molecules, is high in electron transition capability, and can be used as an electron transport material to effectively reduce the driving voltage of an organic electroluminescent device, improve the current efficiency of the organic electroluminescent device and prolong the service life of the organic electroluminescent device. The invention also provides an organic electroluminescent device and a display device containing the compound.

The present application provides a compound of general formula (I), which can be used in an electron transport material. The compound is high in bond energy among atoms, good in thermal stability, beneficial to solid-state accumulation among molecules, high in electron transition capacity and capable of effectively reducing the driving voltage of an organic electroluminescent device, improving the current efficiency of the organic electroluminescent device and prolonging the service life of the organic electroluminescent device when being used as the electron transport material. The invention also provides an organic electroluminescent device containing the compound of the general formula (I) and a display device.

The invention discloses a benzo-phenanthroline derivative and application thereof in the technical field of preparing organic light-emitting-diode displays and illuminating. The invention further provides an organic light-emitting device. The device comprises the benzo-phenanthroline derivative. Compared with the conventional organic light-emitting device, the organic light-emitting device disclosed by the invention has the advantages of better light emitting performance, lower voltage drive, lower electric consumption and longer life.

Disclosed is an organic compound which is represented by a general formula (I) shown in the description. L1-L10 are independently selected from a single bond, alkyl groups of C1-C30, aryl groups of C6-C60 and heteroaryl groups of C3-C60. The L1-L10 can be the same or different from each other. R1-R10 are independently selected from hydrogen, cyan, halogen, alkyl groups of C1-C30, substituted or unsubstituted aryl groups of C6-C60 and substituted or unsubstituted heteroaryl groups of C3-C60. The n1-n10 are integers of 1-3.

The invention belongs to the technical field of organic photoelectric materials, and particularly relates to a thieno thiophene fused heterocyclic organic compound and application thereof. The organiccompound provided by the invention has a thieno thiophene fused heterocyclic parent structure, has high bond energy between atoms, has good thermal stability, is beneficial to intermolecular solid accumulation, and can effectively prolong material service life when being used as a luminescent layer material. The compound provided by the invention is a derivative of a large conjugated fused heterocycle, is applied to a light emitting layer, has a proper energy level with adjacent levels, is beneficial to injection of holes and electrons, can effectively reduce turn-on voltage, and can realizegood light emitting efficiency in a device due to a relatively high exciton migration rate. The compound disclosed by the invention has a relatively large conjugate plane, is beneficial to molecular accumulation, shows good thermodynamic stability and shows long service life in a device. The preparation process of the derivative is simple and feasible, raw materials are easy to obtain, and the derivative is suitable for large-scale production.

The invention provides a compound of a general formula (I), which can be used in hole transport materials. The compound has a parent structure of asymmetric diarylamine substituted dibenzoheterocycle,has high bond energy between atoms, has good thermal stability, is beneficial to solid accumulation between molecules, and has strong hole transition capability. When the compound is used as a hole transport material, the compound can effectively reduce the driving voltage of an organic light-emitting device, improve the luminous efficiency and prolong the service life of the organic light-emitting device. The invention further provides an organic light-emitting device containing the compound shown in the general formula (I) and a display device .

Embodiments of the present invention provide a compound of general formula (I), and can be used in hole transport materials. The compound has a diversified fused heterocyclic arylamine connected parent structure and is high in bond energy between atoms and has good thermal stability and is beneficial to intermolecular solid accumulation and is high in hole transition capability and can effectivelyreduce the driving voltage of an organic electroluminescent device, improve the current efficiency of the organic electroluminescent device and prolong the service life of the organic electroluminescent device when being used as a hole transport layer material. The invention further provides the organic electroluminescent device and a display device containing the compound shown in the general formula (I).

The invention discloses an o-quinoline derivative, application thereof and an organic light-emitting device. The o-quinoline derivative is of a structure shown in the general formula (1) (the formulacan be seen in the description). The o-quinoline derivative is applied into the organic light-emitting device and can reduce the driving voltage, improve the current efficiency and prolong the deviceservice life.