Sanyo Electric Co., Ltd.

Shimadzu Corporation

Hiroyuki Fujii

Yasuo Kita

Takeshi Sano

Jian Li

Kenichi Shibata

Yuji Hamada

Keiichi Kuramoto

Yoshitaka Nishio

Kenichiro Wakisaka

Masakazu Sakata

Hiroyoshi Minakuchi

Yasuko Hirayama

Haruo Osafune

Kuniaki Kanamaru

Katsuhiko Kada

Hiroshi Uzawa

Kenichirou Wakisaka

Katsuaki Suganuma

The invention relates to an organic semiconductor material with a high carrier mobility, which is capable of obtaining favorable semiconductor characteristics when used in an organic semiconductor device, and an organic transistor using the same. More specifically, the present invention has a following structure including an oligothiophene part and a connecting part G; where, Rand Rare a hydrogen, a alkyl group, an alkoxy group, an aryl group, or an alkenyl group, Rand Rmay be identical or different from each other, and where n is an integer. In the organic semiconductor material, the structure of the connecting part G may be any of the following: where, Rand Rare a hydrogen, an alkyl group, an alkoxy group, an aryl group, or a alkenyl group, Rand Rmay be identical or different from each other, and where n is an integer of 1 to 3.

Organic semiconductor material and organic transistor using the same

A touch sensor includes a contact sensor and a pressure sensor. The contact sensor includes a first electrode and a first switching element connected to the first electrode, and detects a change in an electric potential when an object contacts a surface. The pressure sensor includes a second electrode and a second switching element connected to the second electrode, and detects a change in a pressure when an object depresses the surface. The touch sensor includes a plurality of the contact sensors and a plurality of the pressure sensors disposed regularly in an array.

Touch sensor, touch pad and input device

An organic semiconductor material comprising an amine unit having a secondary or tertiary amine structure and a thiophene unit having a thiophene ring structure and preferably the amine unit has the following structure: wherein R, R, and Rindependently represent hydrogen, an optionally substituted alkyl group, an optionally substituted alkoxy group, an optionally substituted ether group, or an optionally substituted aryl group and may be same or different from each other.

Organic semiconductor material, organic semiconductor element and field effect transistor using the same

A hole injection layer, a hole transport layer, a mixture luminescent layer, a hole blocking layer, an electron injection layer and a cathode are formed on an anode. The mixture luminescent layer includes TCTA as a luminescent substance, Ir(ppy) as a substance emitting light through a triplet excited state, and DCJTB as a luminescent substance emitting the light of a spectral component in the wavelength range of red.

Organic light emitting device

A wavelength variable light source is provided with: a light emitting layer containing therein light emitting substance having a carbon-carbon inter-atomic bond; a pair of electrodes disposed on both sides of the light emitting layer while holding the light emitting layer therebetween; a pair of main reflectors disposed on both sides of the light emitting layer so as to hold the light emitting layer therebetween, thereby to constitute an optical resonator with respect to light emitted from the light emitting layer; and refractive index modulating means disposed on the optical path of the optical resonator, wherein the refractive index modulating means can reversibly vary the length of the optical path of the optical resonator so as to control the wavelength of the light emitted from the light source.

Wavelength variable light source

A luminescent organometallic compound having the chemical structure represented by the general formula (1) or (2): 

Luminescent organometallic compound and light emitting device

Organic electroluminescent devices having a luminescent material-containing layer interposed between a positive electrode and a negative electrode and designed to supply an electrical energy to the luminescent material that emits light upon receipt of the energy. The negative electrode contains f and p elements. The f is at least one element selected from those having electronegativity values higher than that of calcium, and, equal to or lower than that of vanadium. The p is at least one element selected from those having electronegativity values equal to or higher than that of aluminum. The negative electrode may further contain d element, if necessary. The d is at least one element selected from those having electronegativity values equal to or higher than any of those of iron, cobalt and nickel, and, equal to or lower than that of gold.

Organic electroluminescent device having negative electrode containing a selective combination of elements

Organic electroluminescent device

An organic electroluminescent apparatus according to the present invention has an organic electroluminescent device provided with an organic layer including luminescent materials in which the emission spectrum varies depending on a voltage of an electric signal between a hole injection electrode and an electron injection electrode and voltage applying means for applying a voltage of an electric signal in a pulse shape between the hole injection electrode and the electron injection electrode, the voltage applying means changing the voltage amplitude of the electric signal in a pulse shape applied between the hole injection electrode and the electron injection electrode, to change the emission spectrum in the organic electroluminescent device.

Organic electroluminescent device and organic electroluminescent apparatus

A method of fabrication of organic electroluminescent device having an organic electroluminescent layer between a first electrode and a second electrode, including the steps of forming a set of first electrode elements on a principal surface of a support to provide the first electrode, forming an insulation layer to overlie the first electrode elements as well as open regions between the first electrode elements so that the insulation layer defines a substantially smooth top surface, removing a surface portion of the insulation layer to a level sufficient to expose clean top surfaces of the first electrode elements so that the insulation layer and the first electrode have a common top surface, and sequentially forming the organic electroluminescent layer and the second electrode on the common top surface.

Method for fabrication of organic electroluminescent device

In causing an organic electroluminescent device to emit light upon exerting a voltage between a hole injection electrode and an electron injection electrode in the organic electroluminescent device, the frequency of electricity supplied to the organic electroluminescent device is modulated, to adjust the luminance of the light emitted from the organic electroluminescent device. In an organic electroluminescent apparatus and a display device in which the organic electroluminescent device is provided, there is provided frequency modulation means for modulating the frequency of electricity and supplying electricity to the organic electroluminescent device.

Organic electroluminescent device driving method, organic

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.

Deodorant method

A device for detecting whether an engine brake condition exists includes a memory for storing the rotating speed of the engine corresponding to the degree of opening of the throttle valve, a detector for detecting the degree of opening of the throttle valve, a detector of the actual rotating speed of the engine, and a device for determining that the engine is an engine brake state when the actual speed of the engine corresponding to the actual degree of opening of the throttle valve exceeds the speed of the engine stored in the memory.

Device for detecting engine brake

A fiber-reinforced metal comprising glass fibers and a matrix metal, said glass fibers having a nitrogen content of at least 8 atomic %. The fiber-reinforced metal has a high tensile strength and elasticity.

Fiber-reinforced metal

A hydromechanical transmission that can be used as an efficient continuously variable transmission has a pair of speed sensors for detecting the rotational speeds at the transmission ends of two mechanical transfer lines formed in the transmission, a pair of pressure sensors for detecting the pressures at two positions, an actuator, and a computer. The computer controls the actuator and two clutches in such a way that the system is switched from a low-speed mode to a high-speed mode and vice versa without producing a shock.

Growing community of inventors

Kyoto, Japan

Hiroyuki Fujii