255 results about "Organic crystal" patented technology

The present invention relates to a composition for coating an organic electrode and method of manufacturing an organic electrode having a excellent transparency using the composition comprising 3% to 20% by weight of a polyhydric alcohol, polyol or a mixture thereof, 5% to 10% by weight of a primary alcohol having C1 to C5, 5% to 25% by weight of a amide, sulfoxide or a mixed solvent thereof, 0.01% to 0.1% by weight of a surfactant and a aqueous solution of polyethylenedioxythiophene (PEDOT) conductive polymers having nano-sized particle in a remainder. The present invention indicates the excellent transparency that transmittance of organic conductive layer is more than 90% in the visible ray area and sheet resistance is 300 to 900 Ω / sq in case of coating. Therefore the present invention is capable of manufacturing the organic electrode such a electrode or a writing material of organic transistor, smart card, antenna, electrode of battery and fuel battery, capacitor using for PCB, inductor, electromagnetic wave cover and a sensor etc. as well as the transparency electrode using for display.

It is an object of the present invention to solve the problems of the conventional organic transistors, such as a low mobility, a high threshold voltage and fluctuation of a threshold voltage in driving for a long period. The field-effect organic transistor of the present invention comprises 3 electrodes being source, drain and gate electrodes, a gate insulating layer and an organic semiconductor layer, wherein the organic semiconductor layer contains an organic semiconductor having 2 or more repeating units, each of the repeating units having a condensed aromatic ring compound having 10 or more conjugate double bonds and 3 two-fold axes.

It is an object of the present invention to provide an organic transistor having a low drive voltage. It is also another object of the present invention to provide an organic transistor, in which light emission can be obtained, which can be manufactured simply and easily. According to an organic light-emitting transistor, a composite layer containing an organic compound having a hole-transporting property and a metal oxide is used as part of the electrode that injects holes among source and drain electrodes, and a composite layer containing an organic compound having an electron-transporting property and an alkaline metal or an alkaline earth metal is used as part of the electrode that injects electrons, where either composite layer has a structure of being in contact with an organic semiconductor layer.

An organic transistor is capable of emitting light at high luminescence efficiency, operating at high speed, handling large electric power, and can be manufactured at low cost. The organic transistor includes an organic semiconductor layer between a source electrode and a drain electrode, and gate electrodes shaped like a comb or a mesh, which are provided at intervals approximately in the central part of the organic semiconductor layer approximately parallel to the source electrode and the drain electrode. The organic semiconductor layer consists of an electric field luminescent organic semiconductor material such as compounds of naphthalene, anthracene, tetracene, pentacene, hexacene, a phthalocyanine system compound, an azo system compound, a perylene system compound, a triphenylmethane compound, a stilbene compound, poly N-vinyl carbazole, and poly vinyl pyrene.

An organic EL display device wherein deterioration of organic transistor performance is reduced, a method for manufacturing such organic EL display device, an organic transistor and a method for manufacturing such organic transistor are provided. The organic EL display device (P1) covers the organic transistor (50), and is provided with a protection film (20) for protecting the organic transistor. The organic EL display device includes a conductive layer (a cathode of an organic EL element (100)) (18) between the protection film (20) and a front plane of the organic transistor (50), and an insulating film (72) formed closer to the front plane side of the organic transistor (50) than the conductive layer (18) for insulating the front plane of the organic transistor (50) from the conductive layer (18).