Abstract: The invention provides an organic electroluminescent element having a cathode, an electron injection promoting layer, a luminescent layer and an anode in that order, wherein the luminescent layer is adjacent to the electron injection promoting layer and contains a luminescent material, and the electron injection promoting layer contains an electron transport material and has a thickness of 3 nm or less, and the electron affinity of the electron transport material is equal to or higher than the electron affinity of the luminescent material.

Abstract: An organic electroluminescence material of the present invention includes, in order to provide an durable organic EL device emitting light of high brightness, a compound shown by the general formula (A-I) or (B-I) (as explained in the specification) wherein, A1 to A3 which may be the same or different, are independently each a substituent shown by the general formula (A-II) (as explained in the specification): and a1, b1, and b2 are independently each an aryl group which may be substituted, a1 having at least one substituent shown by the general formula (B-II) (as explained in the specification), and b1 and b2 each having at least one substituent shown by the general formula (B-III) (as explained in the specification), and b1 and b2 may be the same of different.

Abstract: The present invention provides an organic electroluminescent element including, between an anode and a cathode, at least a luminescent layer and a hole blocking layer that is adjacent to the cathode side of the luminescent layer, wherein the luminescent layer includes a phosphorescent material and a host material, the hole blocking layer includes a phosphorescent material and an electron transport material, the phosphorescent material contained in the luminescent layer and hole blocking layer is the same, and the ionization potential IP (ET) of the electron transport material contained in the hole blocking layer is greater than the ionization potential IP (EM) of the phosphorescent material by 1 eV or more.

Abstract: A drying and storing apparatus for powdered or granular material and a feeding system for powdered or granular material. The apparatus comprises a heating and drying chamber having a discharge port at its lower end and a thermal conductive heating means therein and a hopper chamber connected to the upper end of the heating and drying chamber, in which the heating and drying chamber and the hopper chamber constitute a integrally combined material storage processing tank for powdered or granular material.

Abstract: The present invention provides an organic electroluminescent element including, between an anode and a cathode, at least a luminescent layer and an adjacent layer that is adjacent to the cathode side of the luminescent layer, wherein the luminescent layer contains a phosphorescent material and a host material, the adjacent layer contains an electron transport material and a hole transport material, and the electron affinity Ea (HT) of the hole transport material and the electron affinity Ea (ET) of the electron transport material satisfy the relation of 1 eV?Ea (ET)?Ea (HT)?2.8 eV.

Abstract: A drying apparatus for powdered or granular material comprising a hopper body with an electric heater in its center, housing therein a heat conducting fin formed with plural compartment walls radially projected therefrom and a carrier gas communication path provided in the conducting fin, which has an upper introduction port and a lower exhaust port, both connected with a penetrating up and down path provided in the center of the heat conducting fin. The apparatus is constructed such that carrier gas externally introduced is fed into the hopper body. According to the apparatus, powdered or granular material is uniformly heated and dried and heating source for carrier gas is not necessary, thereby achieving improvement in energy efficiency and energy saving.

Abstract: A electrolytic capacitor includes (a) a capacitor element having a positive electrode, a negative electrode, and a solid organic conductive material disposed between the positive electrode and the negative electrode, (b) an electrolyte, (c) a case for accommodating the capacitor element and the electrolyte, and (d) a sealing member disposed to cover the opening of the case. The solid organic conductive material has at least one of organic semiconductor and conductive polymer. In this constitution, an electrolytic capacitor having excellent impedance characteristic, small current leak, excellent reliability, and high dielectric strength is obtained.

Abstract: An organic EL device including at least an anode, a cathode and an organic light-emitting zone with high brightness is provided. A mixture containing at least two compounds is used for a light-emitting zone and the spectrum of the luminescence from light-emitting zone includes at least one peak at a wavelength which is different from neither of fluorescent peak positions of the compounds included in light-emitting zone.

Abstract: An organic EL device comprising an anode, a cathode, and one or more organic thin-film layers having a light-emitting layer sandwiched between the anode and the cathode, the organic thin-film layers including, either singly or as a mixture, a perylene compound represented by a general formula [1] or a benzoperylene compound represented by a general formula [2].

Abstract: In an organic electroluminescent device, a plurality of striped lower electrodes are formed on an insulating substrate along a first direction, and a plurality of fillers made of amorphous carbon are filled between the lower electrodes. Organic thin film layers including an emitting layer is formed on the fillers and the lower electrodes. A plurality of striped upper electrodes are formed on the organic thin film layer along a second direction different from the first direction.

Abstract: An organic EL device including at least an anode, a cathode and an organic light-emitting zone with high brightness is provided. A mixture containing at least two compounds is used for a light-emitting zone and the spectrum of the luminescence from light-emitting zone includes at least one peak at a wavelength which is different from neither of fluorescent peak positions of the compounds included in light-emitting zone.

Abstract: A specific bis(diarylamino)arylene compound expressed in the following general formula [1.1] is used as a constituent material of an organic EL device. By this, luminescent brilliance and EL property are improved, and further, reduction in luminescent property is suppressed, and durability is improved. (wherein, Ar1 represents a substituted or unsubstituted arylene group having 5 to 42 carbon atoms: at least one of Ar2 to Ar3 independently represents a group expressed in the following general formula [1.2]; and the remaining group(s) of Ar2 to Ar5 independently represents an aryl group having 6 to 20 carbon atoms, and at least one of Ar2 to Ar5 has at least one hydrocarbon group which may include oxygen atom(s).) (wherein, each of R1 to R11 independently represents a hydrogen atom or a substituent.

Abstract: In an organic thin-film EL device of a charge injection type which has an organic thin-film layer contiguous to the surface of the cathode opposite to an anode, said organic thin-film layer is made of an organic compound represented by the following formula (I): wherein R1 to R6 each independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group or a cyano group; L represents a group —OR7 in which R7 represents an alkyl group, a cycloalkyl group, an aromatic group which may contain a nitrogen atom, an aromatic group having a bonding group composed of a metal atom or an oxygen atom or a ligand of an oxinoid compound having said bonding group; M represents a metal atom; and n stands for an integer of 1 or 2, and the cathode is made of aluminum containing lithium in an amount of 0.05 to 1.5 wt. %. The organic thin-film EL device according to the present invention has high efficiency and high luminance without a substantial deterioration in the luminance.

Abstract: In an organic thin-film EL device of a charge injection type which has an organic thin-film layer contiguous to the surface of the cathode opposite to an anode, said organic thin-film layer is made of an organic compound represented by the following formula (I): 1

Abstract: An organic electroluminescent device including at least one organic thin film layer interposed between an anode and a cathode, the at least one organic thin film layer including a luminescent zone having at least one luminescent layer, wherein the organic thin film layer contains a compound represented by one of the following general formulae [I], [II], and [III]: A1-X1-(A2)a  [I] XN-(Y)n  [II] Y1-Y2  [III] Since the light emission from layers other than the luminescent zone (luminescent layer) is significantly decreased in this organic EL device, the color purity of the light emitted by the device is improved, thus providing a highly efficient, high luminance organic electroluminescent device.

Abstract: An organic electroluminescent device comprising one or more organic thin film layers, at least one of the organic thin film layers containing a compound having a cyclohexylidenemethine group. This device has improved light-emitting properties such as luminance and luminous efficiencies, and no limitations on film deposition method in fabrication processes.

Abstract: In an organic electroluminescent device, a plurality of striped lower electrodes are formed on an insulating substrate, and a plurality of fillers made of amorphous carbon are filled between the lower electrodes. Organic thin film layers including an emitting layer is formed on the fillers and the lower electrodes. A plurality of striped upper electrodes are formed on the organic thin film layer along a second direction different from the first direction.

Abstract: An organic EL device including a substrate, at least one organic thin-film layer overlying the main surface, and a pair of electrodes sandwiching therebetween the organic thin-film layer, at least one of the electrodes being a metallic electrode, the organic thin film layer defining a recombination electroluminescence region which is apart from the metallic electrode by at least 100 nm and has a periodic structure. In the organic EL device of the present invention, the emitted light is efficiently taken out by increasing the distance between the EL light-emitting region and the metal electrode for separating the light-emitting location from the metal electrode.

Abstract: An organic electroluminescent device including at least one organic thin film layer interposed between an anode and a cathode, the at least one organic thin film layer including a luminescent zone having at least one luminescent layer, wherein the organic thin film layer contains a compound represented by one of the following general formulae [I], [II], and [III]:

Abstract: An organic electroluminescence material of the present invention includes, in order to provide a durable organic EL device emitting light of high brightness, a compound shown by the following general formula (A-I) or (B-I) 1