16 results about "Indolocarbazole" patented technology

Disclosed herein is an organic light emitting diode device. The organic light emitting diode device includes an anode, a cathode and a light emitting layer. The light emitting layer has a structure where a blue light emitter and a red / green simultaneous light emitter are stacked. The red / green simultaneous light emitter has a structure where a red light emitter and a green light emitter are stacked. The red light emitter includes a red host compound, and in some embodiments, the red host compound includes a spirobisfluorene-based compound where an aryl amino group is substituted. The green light emitter includes a green host compound, and the green host compound includes a mixture of a first green host compound and a second green host compound. In some embodiments, the first green host compound includes a biscarbazole-based compound and the second green host compound includes an indolocarbazole-based compound.

The present invention relates to organic electroluminescent materials and devices. Disclosed is an indolocarbazole-containing compound having the following Formula I:

The invention relates to specifically substituted indolocarbazoles as OLED material, to mixtures containing them, to the use thereof in organic electronic devices and to organic electronic devices containing these compounds, in particular organic light-emitting devices or OLEDs containing these compounds as matrix materials, hole-transport materials, hole-injection materials or electron-blocking materials.

The invention relates to organic electroluminescent materials and devices. Disclosed is an organic compound that can improve the performance of a phosphorescent organic light-emitting device containing indolocarbazole as an electron donor linked to an electron acceptor such as aza-triphenylene or dibenzoquinoxaline.

The invention relates to an organic electronic device, in particular an organic light-emitting device, comprising an organic layer containing a compound of formula (1) as OLED material and a second compound of formula (2) as OLED material, and to a mixture or formulation containing compounds of formulae (1) and (2), wherein the compound of formula (1) is selected from compounds containing two pyrimidine or triazine units, and the compound of formula (2) is selected from indolocarbazoles.

The invention discloses an intramolecular ring-closed organic electroluminescent material constructed based on indolocarbazole and derivatives thereof as well as a preparation method and application of the intramolecular ring-closed organic electroluminescent material, and belongs to the technical field of organic photoelectric materials. Narrow spectrum emission is realized through different back ring modification. According to the intramolecular ring-closed organic electroluminescent material constructed on the basis of indolocarbazole and the derivatives thereof and the preparation method and application of the intramolecular ring-closed organic electroluminescent material, the prepared material can achieve narrow-spectrum emission and high exciton utilization rate, is excellent in electroluminescent performance, can be widely applied to the fields of organic electroluminescence and the like, and has a wide application prospect. Meanwhile, the preparation method of the organic electroluminescent material is simple, and raw materials are easy to obtain.

This invention relates to organic electroluminescent materials and devices. A compound containing indolocarbazole having the following formula I is disclosed: Formula I.

Disclosed are an organic electroluminescent material and a device thereof. The organic electroluminescent material is an indolocarbazole fused double seven-membered ring compound represented by a structure of formula 1, which can be used as a host material in an organic electroluminescent device, and provides better comprehensive performance for the device, especially low voltage, high efficiency and long service life. Also disclosed are an electroluminescent device and a compound composition comprising the organic electroluminescent material, and an electronic device comprising the electroluminescent device.

The invention discloses a small organic molecule hole transport material with indolocarbazole as a conjugated core and a preparation method and application thereof.According to the small organic molecule hole transport material with indolocarbazole as the conjugated core, indolocarbazole serves as a terminal group, the group is modified in a modification mode that a long carbon chain and benzene ring bromine are substituted and combined, and the chemical name is ((2, 3, 4, 5, 6-tetramethyl-3-piperidine-2-yl) carbazole). The invention relates to a 2, 9-dibromo indolo [3, 2-a] carbazole-5, 12-diyl) bis (butane-4, 1-diyl)) bis (phosphonic acid). The hole transport material is introduced into a solar cell system, so that on one hand, the energy level arrangement in the cell can be reasonably optimized, the charge transport efficiency is effectively improved, the energy loss is reduced, and the photoelectric conversion efficiency of the cell is remarkably improved; and on the other hand, the application of the functional material further verifies the effectiveness of the multi-anchor point strategy in the aspects of realizing upward orientation of the material surface and improving the comprehensive performance of the perovskite solar cell.

The invention relates to organic electroluminescent materials and devices. A compound useful as a host material in an OLED is provided. The present invention relates to a compound comprising at least one chemical group selected from the group consisting of triphenylene, carbazole, indolocarbazole, dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-triphenylene, aza carbazole, aza-indolocarbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene; wherein the compound is substituted with at least one R selected from the group consisting of alkyl, cycloalkyl, spiroalkyl, partially or fully deuterated variants thereof, partially or fully fluorinated variants thereof, and combinations thereof.

The invention relates to organic electroluminescent materials and devices. Disclosed is an organic compound that can improve the performance of a phosphorescent organic light-emitting device containing indolocarbazole as an electron donor linked to an electron acceptor such as aza-triphenylene or dibenzoquinoxaline.

The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.

The invention provides synthesis and application of a boron-nitrogen-doped dark red / near-infrared narrow-band luminescent material, and solves the problems that existing boron-nitrogen-doped polycyclic aromatic hydrocarbon is difficult to cover near-infrared requirements, the synthesis route is complex and the half-peak width is relatively wide. The material comprises a boron-nitrogen coordination center; the boron-nitrogen coordination center is composed of a boron atom and three nitrogen atoms; the boron atom and one nitrogen atom form a boron-nitrogen coordination bond, the nitrogen atom participates in ring formation to form a substituted or unsubstituted ring A, and the ring A is selected from pyridine or pyridine derivatives; the boron atom and the other two nitrogen atoms form two boron-nitrogen covalent bonds, and the two nitrogen atoms are two secondary nitrogen atoms of indolocarbazole respectively; a ring A is connected with a benzene ring between the two indolocarbazoles, and the para-position of the ring A is substituted by an R group; r groups independently exist or form a ring C with similar nitrogen atoms.

The present invention relates to an organic electronic device especially an organic light- emitting device comprising a light-emitting layer comprising a hole-transporting OLED material of formula (1) and an electron-transporting OLED material selected from formula (2) and / or formula (3), and to a mixture of said host materials. The hole-transporting host material corresponds to a compound of the formula (1) from the class of indolocarbazoles. The electron-transporting host material corresponds to either a triazine of the formula (2) or a diazadibenzofuran or diazadibenzothiophene of the formula (3).

The invention provides an indolocarbazole compound, a composition and an organic electroluminescent device. The indolocarbazole compound has a structure as shown in a formula I which is described in the specification. The structure of the indolocarbazole compound is designed, so that the indolocarbazole compound is suitable for being used as a main body material of a luminescent layer of the organic electroluminescent device, and the organic electroluminescent device has relatively low driving voltage, relatively high current efficiency and relatively long service life.

The invention relates to an organic electronic device, in particular an organic light-emitting device, comprising an organic layer which in turn contains a compound of formula (1) as OLED material and a compound of formula (2) as OLED material, and to a mixture or formulation containing compounds of formulae (1) and (2). The compound of formula (1) is selected from compounds containing two triazine units, and the compound of formula (2) is selected from indolocarbazoles.