7 results about "Indolocarbazole" patented technology

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 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.

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 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.