Abstract: The present invention provides a semiconductor device including a memory that has a memory cell array including a plurality of memory cells, a control circuit that controls the memory, and an antenna, where the memory cell array has a plurality of bit lines extending in a first direction and a plurality of word lines extending in a second direction different from the first direction, and each of the plurality of memory cells has an organic compound layer provided between the bit line and the word line. Data is written by applying optical or electric action to the organic compound layer.

Abstract: To provide a light-emitting element and a light-emitting device which can be designed and manufactured with redundancy. A light-emitting element of the invention includes a pair of electrode, and a layer containing a light-emissive substance between the pair of electrodes. The layer containing a light-emissive substance includes a layer containing a composite material, and the layer containing a composite material includes an organic compound and an inorganic compound. The concentration ratio of the organic compound to the inorganic compound changes periodically. The layer containing a composite maternal can be changed in electrical characteristics without changing the composition ratio of the organic compound to the inorganic compound in the layer or changing the kind of compounds used for the layer.

Abstract: One aspect of the present invention is a light emitting element having a layer including an aromatic hydrocarbon and a metal oxide between a pair of electrodes. The kind of aromatic hydrocarbon is not particularly limited; however, an aromatic hydrocarbon having hole mobility of 1×10?6 cm2/Vs or more is preferable. As such aromatic hydrocarbon, for example, 2-tert-butyl-9,10-di(2-naphthyl)anthracene, anthracene, 9,10-diphenylanthracene, tetracene, rubrene, perylene, 2,5,8,11-tetra(tert-butyl)perylene, and the like are given. As the metal oxide, a metal which shows an electron-accepting property to the aromatic hydrocarbon is preferable. As such metal oxide, for example, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are given.

Abstract: The cluster is formed in such a way that two molecules of arylamine compounds in each of which two arylamines each having one phenyl group and two aryl groups bonded with a nitrogen atom form a bisphenyl bond through the respective phenyl groups are arranged in parallel, thereby forming a dimolecular body and that the dimolecular body is coordinated to metal oxide. The light-emitting element has a layer including the cluster. A manufacturing method thereof includes the steps of vaporizing simultaneously metal oxide and an arylamine compound in which two arylamines each having one phenyl group and two aryl groups bonded with a nitrogen atom form a bisphenyl bond through the respective phenyl groups under vacuum and solidifying simultaneously the vaporized metal oxide and arylamine compound.

Abstract: The present invention provides a semiconductor device which has a storage element having a simple structure in which an organic compound layer is sandwiched between a pair of conductive layers and a manufacturing method of such a semiconductor device. With this characteristic, a semiconductor device having a storage circuit which is nonvolatile, additionally recordable, and easily manufactured and a manufacturing method of such a semiconductor device are provided. A semiconductor device according to the present invention has a plurality of field-effect transistors provided over an insulating layer and a plurality of storage elements provided over the plurality of field-effect transistors. Each of the plurality of field-effect transistors uses a single-crystal semiconductor layer as a channel portion and each of the plurality of storage elements is an element in which a first conductive layer, an organic compound layer, and a second conductive layer are stacked in order.

Abstract: An object of the present invention is to provide a composite material formed of an organic compound and an inorganic compound, and has an excellent carrier transporting property, an excellent carrier injecting property to the organic compound, as well as excellent transparency. A composite material of the present invention for achieving the above object is a composite material of an organic compound represented in the general formula below, and an inorganic compound. For the inorganic compound, an oxide of a transition metal, preferably an oxide of a metal belonging to groups 4 to 8 of the periodic table, in particular vanadium oxide, tantalum oxide, molybdenum oxide, tungsten oxide, rhenium oxide, and ruthenium oxide, can be used.

Abstract: A composite material includes an organic compound represented by the following general formula (1) and an inorganic compound, where, in the general formula (1), R1 to R24 is identical to or different from one another, and represent any of hydrogen, an alkyl group, an alkoxy group, an aryl group, and an arylalkyl group. A light emitting element includes the composite material and a light emitting device and an electronic appliance includes the light emitting element. The composite material has an excellent carrier transporting property and an excellent carrier injecting property with respect to the organic compound along with high visible light transmittance. By utilizing the composite material, a current excitation type light emitting element requiring low driving voltage and having excellent light emitting efficiency is obtained. By using the light emitting element, a light emitting device consuming low power and an electronic appliance including the light emitting device is provided.

Abstract: It is an object of the present invention to provide a semiconductor device in which data can be written except when manufacturing the semiconductor device and that counterfeits can be prevented. Moreover, it is another object of the invention to provide an inexpensive semiconductor device including a memory having a simple structure. The semiconductor device includes a field effect transistor formed over a single crystal semiconductor substrate, a first conductive layer formed over the field effect transistor, an organic compound layer formed over the first conductive layer, and a second conductive layer formed over the organic compound layer, and a memory element includes the first conductive layer, the organic compound, and the second conductive layer. According to the above structure, a semiconductor device which can conduct non-contact transmission/reception of data can be provided by possessing an antenna.

Abstract: The present invention relates to a disk cartridge in which a disk-like recording medium such as an optical disk, a magneto-optical disk and a magnetic disk is accommodated within a disk compartment of a cartridge housing, a disk recording medium device in which the disk-like recording medium is accommodated in advance within the disk compartment so as to become freely rotatable and a disk recording and/or reproducing apparatus for recording and/or reproducing information by using this disk recording medium device.

Abstract: The present invention provides a semiconductor device including a memory that has a memory cell array including a plurality of memory cells, a control circuit that controls the memory, and an antenna, where the memory cell array has a plurality of bit lines extending in a first direction and a plurality of word lines extending in a second direction different from the first direction, and each of the plurality of memory cells has an organic compound layer provided between the bit line and the word line. Data is written by applying optical or electric action to the organic compound layer.

Abstract: A calculation method for finding the hole mobility or the electron mobility of an organic film. The method includes the steps of: calculating the electron density of a film using semi-empirical quantum molecular dynamics calculations; using the fact that holes and electrons move easily through regions of high electron density to calculate the probability that a hole or an electron will move in an excited state in which an electron is excited from the HOMO (highest occupied molecular orbital) to the LUMO (lowest unoccupied molecular orbital) using a Monte Carlo method; and, using the probability as a performance index, calculating the hole mobility from the number of carriers which exist in the HOMO and the orbitals below the HOMO, or calculating the electron mobility from the number of carriers which exist in the LUMO and the orbitals above the LUMO.

Abstract: It is an object of the present invention to provide a light emitting element with improved luminous efficiency, a reduced drive voltage, and improved degree of deterioration with respect to driving time. According to a light emitting element including a first electrode; a second electrode; and a light emitting laminated body formed therebetween, the light emitting laminated body has at least a first layer, a second layer, and a third layer in this order, the first layer is a layer having a carrier transporting property, the third layer is a layer including an emission center material and a host material in which the emission center material is dispersed, the second layer has an energy gap larger than that of the first layer and equal to or larger than that of the host material, and the second layer has a thickness of 0.1 nm or more and less than 5 nm.

Abstract: Color purity of a light emitting element is improved without an adverse effect such as reduction in voltage and luminance efficiency. The light emitting element has a light emitting laminated body including a light emitting layer between a pair of electrodes. A buffer layer is provided to be in contact with at least one of the electrodes. One of the electrodes is an electrode having high reflectance and the other is a translucent electrode. By employing a translucent electrode, light can be transmitted and reflected. An optical distance between the electrodes is adjusted in accordance with a thickness of the buffer layer, and accordingly, light can be resonated between the electrodes. The buffer layer is made of a composite material including an organic compound and a metal compound; therefore, voltage and luminance efficiency of the light emitting element is not affected even if a distance between the electrodes becomes long.

Abstract: A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 ?m of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.

Abstract: The present invention provides a light-emitting element, a light-emitting device and an electronic device in which an optical path length through which generated light goes can be changed easily. The present invention provides a light-emitting element including a light-emitting layer between a first electrode and a second electrode, and a mixed layer in contact with the first electrode; in which the light-emitting layer includes a light-emitting substance; the mixed layer includes a hole transporting substance and a metal oxide showing an electron accepting property to the hole transporting substance, and has a thickness of 120 to 180 nm, and when a voltage is applied between the first electrode and the second electrode such that a potential of the first electrode is higher than that of the second electrode, the light-emitting substance emits light.

Abstract: It is an object of the present invention to provide a functional layer for protecting a light emitting element from being deteriorated by a physical or chemical influence when the light emitting element is manufactured or driven, and to attain extension of lifetime of an element and improvement of element characteristics without increasing a drive voltage and degrading transmittance and color purity by providing such a functional layer. One feature of the present invention is to provide a buffer layer made of a composite material for a light emitting element including aromatic hydrocarbon containing at least one vinyl skeleton and metal oxide in part of a light emitting substance containing layer, in the light emitting element formed by interposing the light emitting substance containing layer between a pair of electrodes. The composite material for a light emitting element for forming the buffer layer of the present invention has high conductivity and is superior in transparency.

Abstract: The present invention is related to a disc cartridge in which an optical disc, an inner shell and shutter members are housed in a main cartridge body unit, formed by abutting and combining upper and lower shells and in which the inner shell is run in rotation to cause the shutter members to open or close an aperture provided in the main cartridge body unit. The inner shell is formed by a resin molding portion comprised of a first molded portion for forming the inner shell and a second molded portion connected to the first molded portion. The second molded portion is provided at a position forming the aperture in the inner shell and is connected to the first molded portion through a flanged thin-walled section. The inner shell is formed by severing the second molded portion and the flanged thin-walled section.

Abstract: The purpose of the present invention is to provide a nonlinear element with high productivity, which can be driven at low voltage, an element substrate including the nonlinear element, and a liquid crystal display device including the element substrate. A structure of the nonlinear element of the present invention includes a layer formed using a composite material containing an inorganic compound and an organic compound between a first electrode and a second electrode. Further, as the composite material containing the inorganic compound and the organic compound, a composite material, which exhibits nonlinear behavior in both cases of applying forward bias voltage and reverse bias voltage, is used.

Abstract: A method for producing an inner shell used for a disc cartridge in which an optical disc, an inner shell and shutter members are housed in a main cartridge body unit. The inner shell provided in the main cartridge body unit includes a first molded portion, provided with an aperture, a second molded portion having a resin injection port and molded at a position where the aperture is formed, and a flanged thin-walled section connecting the first and second molded portions to each other. The method includes the steps of injecting molten resin into a cavity defined by a fixed metal die and a movable metal die for molding the first molded portion, the second molded portion, and the flanged thin-walled section, and severing the flanged thin-walled section by a punch provided to the movable metal die before the molten resin injected into the cavity is cooled and solidified.

Abstract: The present invention is relative to a disc cartridge in which an optical disc (3), an inner shell (4) and shutter members (5a), (5b) are housed in a main cartridge body unit (2), formed by abutting and combining upper and lower shells (6), (7), and in which the inner shell is run in rotation to cause the shutter members (5a), (5b) to open or close an aperture (24) provided in the main cartridge body unit (2). On an inner side of the peripheral wall sections of the upper and lower shells, abutted to each other, a crank-shaped dust intrusion prohibiting unit (21A) is provided for prohibiting intrusion of dust and dirt from the abutting surfaces of the peripheral wall sections of the upper and lower shells towards the optical disc housed in the main cartridge body unit to protect the optical disc housed in the main cartridge body unit.