Abstract: A curable silicone composition cures to form a silicone cured product with improved fire-retarding properties. The composition comprises a hydrosilylation-reaction curable silicone composition Fire-retarding properties are imparted to the composition using a silica powder with a specific surface area of not less than 50 sq. m/g and a diamine compound. The cured product is preferably a silicone gel.

Abstract: A curable silicone composition cures to form a silicone cured product with improved fire-retarding, properties. The composition comprises a hydrosilylation-reaction curable silicone composition. Fire-retarding properties are imparted to the composition by using an additive comprising tetrafunctional and monofunctional siloxane units and a diamine compound. The silicone cured product is preferably a silicone gel.

Abstract: In an organic electroluminescent device according to the present invention, at least a luminescent layer using an organic material is provided between a hole injection electrode and an electron injection electrode, and a luminescent material composed of a condensed polycyclic aromatic compound having condensed rings each having a benzene ring as a basic unit the number of which is in the range of 2 to 10, along with an organic material having hole transporting characteristics, is contained as the organic material in the luminescent layer.

Abstract: In an organic electroluminescent device according to the present invention, at least a carrier transporting layer and a luminescent layer using an organic material are laminated between a hole injection electrode and an electron injection electrode, and a chelate compound, indicated by the following chemical formula, having as a ligand a heterocyclic compound is contained in at least one of the carrier transporting layer and the luminescent layer: ##STR1## In the foregoing chemical formula, X and Z are any elements selected from C, S, Se, Te, N and P, Y is any one element selecting from C, N and P, (A1) is an aromatic radical or a heterocyclic radical in which a hydroxyl group is bound to the Y in an ortho position, and (A2) is a radical which is bound to carbon to which the X is bound and carbon to which the Z is bound to constitute an aromatic compound or a heterocyclic compound.

Abstract: In an organic electroluminescent device according to the present invention, at least a carrier transporting layer and a luminescent layer which use an organic material are provided between a hole injection electrode and an electron injection electrode, and at least one of a compound having a pyrimidine ring as its center skeleton and a compound having a triazine ring as its center skeleton is used for a hole transporting material in a hole transporting layer in the carrier transporting layer and the organic material in the luminescent layer.

Abstract: In an organic electroluminescent device according to the present invention, at least a carrier transporting layer and a luminescent layer which use an organic material are provided between a hole injection electrode and an electron injection electrode, wherein a luminescent portion having a luminescent peak wavelength different from a luminescent peak wavelength in the luminescent layer is partially provided in such a manner that it is laminated on the luminescent layer, or at least a hole transporting layer having luminous characteristics and an electron transporting layer having luminous characteristics which respectively contain organic materials emitting fluorescence in different colors in a visible region are provided between the hole injection electrode and the electron injection electrode, wherein a hole transporting portion having non-luminous characteristics is partially provided between the hole transporting layer having luminous characteristics and the electron transporting layer having luminous ch

Abstract: Organic electroluminescent elements capable of operating at a low driving voltage, leading to saving of electric power and operating cost for a driving circuit. In an organic electroluminescent element in which a hole transport layer and a luminous layer are formed between a hole injecting electrode layer and an electron injecting electrode layer which are oppositely arranged in a pair and in which the hole transport layer is overlaid on the hole injecting electrode layer, the hole transport layer is doped with a hole injection material at least at a region near the interface between the hole transport layer and a hole injecting electrode. The hole injection material has an ionization potential which is lower than that of the material of the hole transport layer and higher than that of the material of the hole injecting electrode layer.

Abstract: An organic EL element that exhibits excellent durability by reducing the amount of accumulated carriers and curbing degradation by heat generated while the organic EL element is driven.

Abstract: The present invention relates to a release coating composition comprising an organopolysiloxane having fluorine containing organic groups and alkenyl groups, an organohydrogensiloxane, and a platinum-containing catalyst. The present invention also relates to a release coating composition comprising an organopolysiloxane having fluorine containing organic groups and silicon-bonded hydrogen groups, an alkenyl functional organopolysiloxane, and a platinum-containing catalyst. The curable silicone release coating compositions of this invention have excellent release properties from various tacky substances, especially silicone-based pressure sensitive adhesives, after curing, and also have excellent bonding characteristics when applied to various substrates.

Abstract: A deodorant containing an azo metal complex expressed by the following structural formula 1, which is produced by mixing a solution in which azo compounds to be ligands are dissolved with a solution in which a metal salt is dissolved: ##STR1## In the structural formula 1, M represents a metal element, R.sub.1 and R.sub.2 represent aromatic compounds, which may be the same or different from each other, and R.sub.3 and R.sub.4 represent aromatic compounds or heterocyclic compounds, which may be the same or different from each other. In addition, either one or both of nitrogen atoms in an azo base in each of the legends may be coordinated to the metal M.

Abstract: The present invention provides an organic EL element improved in durability. The organic EL element comprises a hole-injecting electrode and an electron-injecting electrode, and at least a film made of a luminous material therebetween, wherein the luminous material is one of a metal complex polymer, an inner complex salt having two or more ligands, and 10-hydroxybenzo [h] quinoline-metal complex.

Abstract: There is disclosed a composition which can cure to provide a coating showing excellent release against tacky substances, particularly silicone pressure-sensitive adhesive, said composition comprising:(A) 100 parts by weight of an organopolysiloxane that contains at least one fluorinated organic group and at least two alkenyl groups in each molecule;(B) 0.3 to 40 parts by weight of an organohydrogenpolysiloxane that contains at least two silicon-bonded hydrogen atoms in each molecule;(C) 0.1 to 20 parts by weight of a fluorine-containing acrylic polymer;(D) a catalytic quantity of a hydrosilylation catalyst; and(E) a sufficient amount of an organic solvent to impart coatability to said composition.

Abstract: An electroluminescent device having a hole injection electrode, an electron injection electrode, and at least an organic emitting layer therebetween, said organic emitting layer includes an 8-quinolinol derivative-metal complex whose ligand is selected from the group consisting of chemical formulas 102 through 106:chemical formula 102 ##STR1## chemical formula 103 ##STR2## chemical formula 104 ##STR3## chemical formula 105 ##STR4## chemical formula 106 ##STR5##

Abstract: An electroluminescent (EL) device is disclosed which has a pair of electrodes, an organic film therebetween including at least organic emitting material, and a vacuum evaporated metal film extending from the electrodes on to the outer surface of the organic film. The metal film protects at least an area on the outer surface of the organic film against air. The area is part of the border between the exposed area of the organic film and one of the electrodes, the part of the border corresponding to the crossing region of the electrodes and its vicinity.

Abstract: There is disclosed an EL element having at least one layer made from an organic material between an electron injection electrode and a hole injection electrode. The organic material consists of an oxadiazole series compound which has a plurality of oxadiazole rings, each of the oxadiazole rings being substituted by a condensed polycyclic aromatic group.

Abstract: There is disclosed an electroluminescent (EL) element having an electron injection electrode, a hole injection electrode, and at least one layer therebetween, the layer comprising either a Rhodamine metal complex, a chromone metal complex, an azomethine metal complex, or another metal complex whose ligand is either thiobromine, flaviosin, or acriflavine.

Abstract: There is disclosed an EL element having at least one layer made from organic materials between an electron injection electrode and a hole injection electrode, the organic materials consisting of oxadiazole series compounds which have a plurality of oxadiazole rings.

Abstract: There is disclosed a fluorosilicone composition which, when cured onto a substrate such as paper, provides a surface which readily releases such tacky materials as silicone pressure-sensitive adhesive, said composition comprising(A) 100 parts by weight of an organopolysiloxane that contains in each molecule at least 1 fluorine-containing organic group and at least 2 alkenyl groups;(B) 0.1 to 40 parts by weight of an organohydrogenpolysiloxane that contains at least 2 silicon-bonded hydrogen atoms in each molecule;(C) 0.01 to 20 parts by weight of an organopolysiloxane that contains in each molecule at least 1 fluorine-containing organic group, with the proviso that said organopolysiloxane (C) contains neither alkenyl groups nor silicon-bonded hydrogen groups; and(D) a catalytic amount of a hydrosilylation catalyst.

Abstract: A pressure-sensitive adhesive having an excellent tack and adhesive strength is obtained from a composition which contains an alkenyl group-containing silicone polymer, a tackifying silicone resin having less than one percent hydroxyl content, an organohydrogenpolysiloxne curing agent for the alkenyl group-containing silicone polymer and a platinum-containing catalyst. The composition can be cured to a silicone pressure-sensitive adhesive by heating at relatively low temperatures.

Abstract: The subsequent tack and adhesion of a silicone pressure-sensitive adhesive can be improved by incorporating into the adhesive a small amount of an organopolysiloxane resin having a majority of R.sub.3 SiO.sub.1/2 siloxane units and the balance (R.sup.2 O).sub.a SiO.sub.(4-a)/2, preferably SiO.sub.4/2, siloxane units. The resulting composition, when brought into contact with a release liner, such a peelable protective sheet or the backside of the next turn in a roll of tape, have better tack and/or adhesion when separated from that liner than an analogous composition which does not contain the resin.