Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

159results about How to "Little deterioration" patented technology

Energy storage device cell and control method thereof

An energy storage device cell includes: a capacitor cathode including a capacitor cathode collector foil, and a capacitor cathode electrode layer formed on one face of the capacitor cathode collector foil and containing microparticles of activated carbon; a first separator; a common anode including an anode collector foil having a through-hole, and an anode electrode layer formed on one face of the anode collector foil; a second separator; and a battery cathode including a battery cathode collector foil, and a battery cathode electrode layer formed on one face of the battery cathode collector foil and containing particles of a lithium-containing metal compound. The first separator is sandwiched by the capacitor cathode electrode layer and the anode electrode layer. The second separator is sandwiched by the anode collector foil and the battery cathode electrode layer.
Owner:MITSUBISHI ELECTRIC CORP

Liquid crystal lens element and optical head device

A liquid crystal lens element is provided, which can realize a small sized element having no moving part, and which has a lens function of switching the focal length among multiple focal lengths of at least 3 types according to an applied voltage. A liquid crystal lens element 10 is provided, which comprises a pair of transparent substrates 11 and 12 and a liquid crystal layer sandwiched between these substrates, wherein focal lengths of light transmitted through the liquid crystal 16 is changed depending on a voltage applied to the liquid crystal 16, the liquid crystal lens element 10 has a Fresnel lens-shaped concave-convex portion 17 and a liquid crystal layer 16A, and configured so that the refractive index n of the liquid crystal layer 16A changes from a refractive index n1 at a time of no application to a refractive index n2 at a time of voltage application, a refractive index ns of the concave-convex portion 17 is a value between the refractive indexes n1 and n2 and satisfies a predetermined relation, and the maximum depth d of the concave-convex portion 17 satisfies a predetermined relation, the focal length can be switched by switching an applied voltage to the liquid crystal layer 16A under the predetermined conditions.
Owner:ASAHI GLASS CO LTD

Color conversion layer and light-emitting device

A color conversion layer is provided which is capable of converting light from an emitting medium effectively to light containing a ray having a longer wavelength and exhibits less deterioration so as to have a long lifetime. The color conversion layer comprising a fluorescent medium for converting light emitted from an emitting medium to light having a longer wavelength, and having a haze value of 50% to 95%. The color conversion layer can be made thin, since the layer can efficiently convert the color of light from an emitting medium. The processibility such as patterning thereof is then improved.
Owner:IDEMITSU KOSAN CO LTD

Lithium air battery

A lithium air battery capable of being used for a long time with little deterioration due to influence by moisture in the air in which oxygen supply to a porous cathode is not inhibited by an air electrode current collector is provided. The lithium air battery includes an oxygen permselective film that is less likely to transmit moisture vapor and that selectively transmits oxygen, an oxygen chamber that stores oxygen, an air electrode current collector made of a porous material, a diffusion layer that is arranged between the air electrode current collector and a porous cathode and is made of a conductive material, the porous cathode containing a conductive material and a catalyst material, a separator that is less likely to pass moisture vapor, a nonaqueous electrolyte, an anode that extracts lithium ions, and an anode current collector. The lithium air battery may have a water-repellent layer.
Owner:SONY CORP

Extra fine filament yarn containing deodorant functional agent and producing the same

An extra fine multifilament obtained in the present invention contains a deodorant functional agent having a particle diameter equal to or more than the average diameter of extra fine single yarn fibers, and the deodorant functional agent is not completely covered with polymer and is partially exposed on the surface of the multifilament, whereby a dramatically improved deodorizing function can be achieved. Accordingly, a polyester cloth made of the multifilament has a durable deodorizing function, a high strength, and an excellent texture, and thereby is useful for apparel products (such as sports wears, casual wears, and mens and womens suits), medical applications, interior applications, etc.
Owner:TEJIN FIBERS LTD

Display device

To provide a novel display device without deterioration of display quality, the display device includes a display panel including a pixel portion that displays still images at a frame frequency of 30 Hz or less, a temperature sensing unit that senses the temperature of the display panel, a memory device that stores a correction table containing correction data, and a control circuit to which correction data selected from the correction table is input in accordance with an output of the temperature sensing unit. The pixel portion includes a plurality of pixels. Each of the pixels includes a transistor, a display element, and a capacitor. The control circuit outputs a voltage based on the correction data input to the control circuit, to the capacitor included in each of the pixels.
Owner:SEMICON ENERGY LAB CO LTD

Copper alloy sheet, manufacturing method of copper alloy sheet, and electric/electronic component

There is provided a copper alloy sheet including 1.0 to 3.5 mass % Ni, 0.5 to 2.0 mass % Co, and 0.3 to 1.5 mass % Si, a Co / Ni mass ratio being 0.15 to 1.5, an (Ni+Co) / Si mass ratio being 4 to 7, and a balance being composed of Cu and an unavoidable impurity, wherein in observation results of a crystal grain boundary property and crystal orientation by EBSP measurement, a density of twin boundaries among all crystal grain boundaries is 40% or more and an area ratio of crystal grains with Cube orientation is 20% or more, on a rolled surface.
Owner:DOWA METALTECH CO LTD

Solid-state imaging device and method for fabricating the same

A solid-state imaging device includes: an imaging area in which light receiving portions are disposed; an interconnect layer disposed on the light receiving portions, the interconnect layer including metal interconnects having openings and first insulating films; inner-layer lenses formed over the interconnect layer in one-to-one relationship with the light receiving portions; a transparent second insulating film formed on the interconnect layer and the inner-layer lenses; top lenses formed on the second insulating film in one-to-one relationship with the light receiving portions, an upper face of each of the top lenses being a convexly curved face; and a transparent film on the top lenses, the transparent film being formed of a material having a refractive index smaller than a refractive index of the top lenses. In this way, a focal point of at least part of incident light can be situated above a semiconductor substrate.
Owner:GK BRIDGE 1

Ink jet recording device and ink jet recording method

Provided are an inkjet recording device and an inkjet recording method for providing an image wherein concentration nonunifomiity is reduced with less ink bleed between inks of different colors, in high speed multicolor printing of single path system. In the device and the method, a conditional expression of 0.6≦R / R0≦0.9 is satisfied, where, R is a dot radius of a second ink jetted on a first ink which is jetted on the recording medium and semi-cured by a beam applied, and R0 is a dot radius of the second ink directly jetted on the recording medium.
Owner:KONICA MINOLTA INC

Positive electrode active material, positive electrode, nonaqueous electrolyte cell, and method of preparing positive electrode active material

Disclosed herein is a positive electrode active material prepared by mixing a lithium-containing compound, a compound containing a transition metal to be put into a solid solution, and a compound containing a metallic element M2 different from the transition metal, and firing the mixture to form composite oxide particles, depositing a compound containing at least one element selected from among sulfur (S), phosphorus (P) and fluorine (F) on surfaces of the particles, and firing the particles, whereby each of the particles is provided with a concentration gradient such that the concentration of the metallic element M2 increases from the center toward the surface of the particle, and at least one element selected from among (S), (P) and (F) is made present in the form of being aggregated at the surfaces of the composite oxide particles.
Owner:MURATA MFG CO LTD

Photomask, aberration correction plate, exposure apparatus, and process of production of microdevice

A photomask including a substrate comprised of fluorite (calcium fluoride (CaF2)) and protective films comprised of chrome (Cr), chromium oxide (Cro), silicon oxide (SiO2 or SiO), etc. and formed at regions, other than the pattern region where the pattern to be transferred is formed, which contact other members when transporting the photomask or using it for exposure.
Owner:NIKON CORP

Toner for developing electrostatic images

A toner for developing an electrostatic image includes a binder resin, a colorant and a wax. The toner shows heat-absorption characteristics represented by a DSC heat-absorption curve obtained on temperature increase in a temperature range of 30-150 DEG C. by a differential scanning colorimeter (DSC). The DSC heat-absorption curve shows a maximum heat-absorption peak (P1) in a temperature range of 70-90 DEG C. The DSC curve also provides a differential curve showing a first maximum (Max1) on a lowest temperature side at a temperature (T1) of 50-65 DEG C., showing a second maximum (Max2) on a next lowest temperature side at a temperature (T2) of 65-85 DEG C., and showing a minimum (Min1) on a highest temperature side at a temperature (T3) of at least 95 DEG C. Because of the DSC heat-absorption characteristics, the toner exhibits excellent fixability (including anti-offset characteristic) over a wide temperature range and excellent continuous image forming characteristic.
Owner:CANON KK

Display device

InactiveUS20140184484A1Reduce eye fatigueWithout deterioration of display qualityStatic indicating devicesNon-linear opticsDriver circuitDisplay device
To provide a novel display device where display quality does not deteriorate. The display device includes a display portion configured to display a still image at a frame frequency of 30 Hz or lower. The display portion includes a driver circuit, a plurality of wirings, and a pixel portion. The pixel portion comprises a plurality of pixels. Each of the plurality of pixels comprises a transistor, a display element, and a capacitor. A channel is formed in an oxide semiconductor layer included in the transistor. A gate of the transistor is electrically connected to one of the plurality of wirings. The driver circuit performs scanning where the plurality of wirings in one of odd-numbered rows and even-numbered rows are sequentially selected and scanning where the plurality of wirings in the other of the odd-numbered rows and the even-numbered rows are sequentially selected.
Owner:SEMICON ENERGY LAB CO LTD

Power storage device

Disclosed is a power storage device including a negative electrode and a positive electrode. The negative electrode includes a negative electrode current collector including a common portion and a plurality of protrusions protruding from the common portion, and a negative electrode active material layer which covers a side surface of the protrusion. The positive electrode faces the negative electrode with an electrolyte provided therebetween. In the plurality of protrusions, a distance between adjacent protrusions is a distance with which adjacent negative electrode active material layers are in contact with each other before the capacity of the negative electrode active material layer reaches the theoretical capacity of the negative electrode active material layer by insertion of carrier ions from the positive electrode.
Owner:SEMICON ENERGY LAB CO LTD

Stainless Steel, Titanium, or Titanium Alloy Solid Polymer Fuel Cell Separator and Its Method of Produciton and Method of Evaluation of Warp and Twist of Separator

The present invention releases a method of producing a metal separator for a solid polymer fuel cell by stainless steel, titanium, or titanium alloy during which securing lower cost and mass producibility by using a material having a high workability to form a complicated shape by a high productivity, then using an inexpensive blast process to drive a conductive substance into the surface of the metal separator member, that is, provides a stainless steel, titanium, or titanium alloy solid polymer fuel cell separator comprised of stainless steel, titanium, or titanium alloy in the surface of which a low ion release conductive substance is buried, having an arithmetic mean roughness (Ra) of the separator surface of 0.5 to 5.0 μm, having a 10-point mean roughness (Rz) of 3 to 20 μm, having an average spacing of surface relief shapes (Sm) of 300 μm or less, having values of a warp rate and twist rate of a separator of 0.1 or less, and having a contact resistance value with respect to carbon paper of 15 mΩcm2 or less at a surface pressure of 1 MPa.
Owner:SINTOKOGIO LTD

Light emitting device

A light emitting device is provided that has a semiconductor light emitting element and a phosphor which converts a part of the luminescence spectrum emitted from the semiconductor light emitting element. The luminescence spectrum of the semiconductor light emitting element is located between a near ultraviolet region and a short-wavelength visible region, and the phosphor is made by adding a red luminescent activator to a base material of a blue luminescent phosphor. Thereby, improving the color shading generated by the dispersion of the spectra of the light emitting elements and obtaining the light emitting device having a high brightness and a good color rendering properties. With the light emitting device, it is possible to provide the light sources for the lighting apparatus of medical treatments, the flash plate of a copying machine, etc., in which a good color rendering property is required.
Owner:NICHIA CORP

Method for peeling off semiconductor element and method for manufacturing semiconductor device

A method for peeling off a thin film semiconductor element over an insulating surface by using a void, and a method for manufacturing a semiconductor device by transferring the peeled semiconductor element. According to the peeling method of the invention, a first base layer having a plurality of recessed portions is formed over a substrate, and a second base layer having a plurality of voids is formed on the recessed portions of the first base layer. On the second base layer, a third base layer is formed and a semiconductor element is formed thereon. Then, by separating the second base layer at an intersecting surface with the voids, the semiconductor element is peeled off from the substrate.
Owner:SEMICON ENERGY LAB CO LTD

Solid Milk and Method for Manufacturing Thereof

The object of the present invention is to provide solid milk having suitable solubility and strength and a method for manufacturing such solid milk.The present invention is based on the knowledge that solid milk combining sufficient strength with sufficient solubility can be obtained basically by compacting and molding only powdered milk as an ingredient under a condition where porosity and free fat content thereof are controlled within fixed ranges and then humidifying and drying. The above-described object can be attained with solid milk with a porosity of 30% to 50% and a method for manufacturing solid milk, comprising a compacting process for compacting powdered milk and obtaining a solid compacted body of powdered milk, a humidifying process for wetting the compacted body of powdered milk obtained in the compacting process, and a drying process for drying the compacted body of powdered milk humidified in the humidification process.
Owner:MEIJI CO LTD

Power storage device

A power storage device which has high charge / discharge capacity and less deterioration in battery characteristics due to charge / discharge and can perform charge / discharge at high speed is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of protrusions protruding from the current collector and a graphene provided over the plurality of protrusions. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions.
Owner:SEMICON ENERGY LAB CO LTD

Rolling bearing for use in vehicle

A rolling bearing for use in a vehicle, particularly in an electric device on said vehicle, said bearing having a sealing member for sealing urea compound-containing grease, in which an elastic body deteriorates to a low extent when the rolling bearing is subjected to a high temperature and which is capable of maintaining a preferable sealing performance. The grease-sealing member has a rubber molding which contacts the grease. The rubber molding is formed by molding a curable fluororubber composition consisting of a copolymer containing tetrafluoroethylene, propylene, and a crosslinkable monomer consisting of unsaturated hydrocarbon, having two to four carbon atoms, in which a part of hydrogen atoms is substituted with fluorine atoms.
Owner:NTN CORP

Piezoelectric ceramic, method of manufacturing the same and piezoelectric device

Provided are a piezoelectric ceramic and a piezoelectric device having a larger piezoelectric strain constant and capable of being fired at a lower temperature. A main component of PbA[(Mg1 / 3Nb2 / 3)a(Zn1 / 3Nb2 / 3)bTicZrd]O3 (a+b+c+d=1, 0.99≦A≦1.01, 0.15≦a+b≦0.5, 0.05≦b≦0.25, 0.2≦c≦0.5, 0.15≦d≦0.6) and 0.01 mass % to 0.8 mass % inclusive of at least one kind selected from the group consisting of Fe, Co, Ni and Cu in the form of oxide per 1 mol of the main component as a first sub-component are comprised. Thereby, a larger piezoelectric strain constant can be obtained, and a firing temperature can be reduced. In the main component, a part of Pb may be replaced with at least one kind selected from the group consisting of Ca, Sr and Ba. Further, as a second sub-component, 0.05 mass % to 1.0 mass % inclusive of at least one kind selected from the group consisting of Sb, Nb and Ta in the form of oxide per 1 mol of the main component may be comprised.
Owner:TDK CORPARATION

Manufacturing method of scintillator panel, scintillator panel and vacuum evaporation apparatus

A method of manufacturing a scintillator panel comprising the sequential steps of: forming an electroconductive metal reflection layer on a polymer film substrate; forming a protective layer on the electroconductive metal reflection layer; cutting the polymer film substrate having thereon the electroconductive metal reflection layer and the protective layer into a prescribed size; forming a scintillator layer by a vacuum evaporation method on the protective layer of the polymer film substrate cut in the prescribed size to prepare a scintillator sheet; and sealing the scintillator sheet with sealing films provided above and below the scintillator sheet to prepare the scintillator panel, wherein static electricity is removed from the polymer film substrate through a cut surface of the electroconductive metal reflection layer when the scintillator layer is vacuum evaporated.
Owner:KONICA MINOLTA MEDICAL & GRAPHICS INC

Power storage device and method for manufacturing the same

A power storage device including a negative electrode having high cycle performance in which little deterioration due to charge and discharge occurs is manufactured. A power storage device including a positive electrode, a negative electrode, and an electrolyte provided between the positive electrode and the negative electrode is manufactured, in which the negative electrode includes a negative electrode current collector and a negative electrode active material layer, and the negative electrode active material layer includes an uneven silicon layer formed over the negative electrode current collector, a silicon oxide layer or a mixed layer which includes silicon oxide and a silicate compound and is in contact with the silicon layer, and graphene in contact with the silicon oxide layer or the mixed layer including the silicon oxide and the silicate compound.
Owner:SEMICON ENERGY LAB CO LTD

Method and device for quantizing an information signal

ActiveUS20070043557A1High compression of dataLittle deteriorationSpeech analysisAlgorithmFrequency selectivity
Quantizing an information signal of a sequence of information values includes frequency-selective filtering the sequence of information values to obtain a sequence of filtered information values and quantizing the filtered information values to obtain a sequence of quantized information values by means of a quantizing step function which maps the filtered information values to the quantized information values and the course of which is steeper below a threshold information value than above the threshold information value.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV

Projection type image display apparatus and image display system

A projection type image display apparatus which suppresses deterioration in luminous efficiency of an organic EL element and reduces flickering of projected images and an amplitude of a power supply capacity is disclosed. The apparatus comprises an electroluminescence (EL) element, a projection optical system, and a controller which generates drive signals to control the emission amount from the EL element. An EL material used for a luminescent layer of the EL element is a phosphorescent material which emits phosphorescence by priority, which is emitted from an excited triplet state. The controller generates drive signals by superimposing an intermittent turning-on signal on emission amount modulating signals to modulate current values to be injected into pixels according to display image signals.
Owner:CANON KK

Light emitting element housing package

A light emitting element housing package comprises a ceramic substrate on which a light emitting element is mounted, and a wiring pattern that is formed on the ceramic substrate and to which a light emitting element chip is electrically connected, wherein a white thin film layer formed from a sintered body of white inorganic particles is formed on at least an upper surface of the wiring pattern, except a connection region in the wiring pattern to be connected to the light emitting element chip.
Owner:TOYODA GOSEI CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products