COMPOSITION FOR MAKING HOLE INJECTING OR HOLE TRANSPORTING LAYERS IN ELECTROLUMINESCENT DEVICES, ORGANIC SOLAR CELLS, ORGANIC LASER DIODES, ORGANIC THIN-FILM TRANSISTORS OR ORGANIC FIELD EFFECT TRANSISTORS OF FOR MAKING ELECTRODES OR ELECTROCONDUCTIVE COATINGS, ELECTROLUMINESCENT DEVICE, AS WELL AS ORGANIC LIGHT-EMITTING DIODE Russian patent published in 2010 - IPC C09K11/00 C09K11/56 H01L51/30 

FIELD: chemistry.

SUBSTANCE: present invention relates to compositions containing electroconductive organic materials. Described is a composition for making hole injecting holes or hole transporting layers in electroluminescent devices, organic solar cells, organic laser diodes, organic thin-film transistors or organic field effect transistors or for making electrodes or electroconductive coatings containing a polythiophene derivative, distinguished by that it contains a polythiophene derivative in form of at least one polythiophene containing a repeating unit with general formula (I): where X represents -(CH₂)_x-CR¹R²-(CH₂)_y -, where R¹ represents -(CH₂)_s-O-(CH₂)_p-R³-, where R³ represents SO₃ ^-M⁺, where M⁺ represents H⁺, Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺ or NH4⁺, s equals 0 or 1 and p equals 4, R² represents hydrogen, x equals 1 and y equals 0 or x equals 1 and y equals 1, and at least one more SO₃ ^-M⁺ containing polymer group, where M⁺ represents H⁺, Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺ or NH4⁺, where mass ratio of polythiophene(s) to the said polymer equals 1 : (1-30). Also described is an electroluminescent device containing at least two electrodes from which if necessary at least one is deposited on an optionally transparent substrate, at least one emitter layer is deposited between both electrodes and at least one hole injecting layer is deposited between one of the two electrodes and the emitter layer, where the device is distinguished by that the hole injecting layer contains the above describe composition. An organic light-emitting diode containing the said electroluminescent device is also described.

EFFECT: longer service life, increased illumination intensity of electroluminescent devices and the light-emitting diode.

15 cl, 6 ex