Patent application number | Description | Published |
20110075261 | Hard coating film, manufacturing method thereof, antireflective film, polarizing plate and image display unit - A hard coating film is provided and includes a transparent plastic substrate film, and a hard coating layer. The transparent plastic substrate film has mutually independent microscopic pits in at least one surface thereof, the microscopic pits each independently have a depth of 3 μm or below, the microscopic pits have an average length of major diameters of from 0.5 μm to 20 μm, and the number of the microscopic pits is from 25 to 3,000 per mm | 03-31-2011 |
20110183110 | Optical film, antireflection film, polarizing plate and image display apparatus - An optical film is provided and includes: a cellulose acylate film; and an antistatic layer including a conductive compound having a hydrophilic property. The conductive compound is localized in an inside of the antistatic layer as compared to a surface-side region of the antistatic layer. | 07-28-2011 |
20110242654 | Hardcoat layer-forming composition, optical film, production method of optical film, polarizing plate and image display device - A hardcoat layer-forming composition is provided and contains the following (a), (b), (c) and (d): (a) a leveling agent composed of a fluorine-containing polymer having a specific structure, (b) a carbonic acid ester solvent, (c) a compound having an unsaturated double bond, and (d) a photopolymerization initiator. | 10-06-2011 |
20110244218 | Coating composition, optical film, polarizing plate, and image display apparatus - A coating composition is provided and includes: (a) inorganic particles having an average particle size of 1 to 100 nm; (b) an ionizing radiation-curing material for forming a binder; (c) a photopolymerization initiator; and (d) an organic solvent. The coating composition preferably includes a monomer having at least two hydroxyl groups per molecule in a mass fraction of 0.1 to 3.0 mass % relative to the total solid content of the composition. | 10-06-2011 |
20120077046 | Composition for forming hardcoat layer, optical film, method of producing optical film, polarizing plate and image display device - A composition for forming a hardcoat layer, contains: at least one antifouling agent selected from a fluorine-containing compound having a polymerizable unsaturated group and a polysiloxane compound having a weight average molecular weight of 15,000 or more and a polymerizable unsaturated group; dimethyl carbonate; a compound having an unsaturated double bond; and a photopolymerization initiator. | 03-29-2012 |
20120077047 | Antistatic hardcoat layer-forming composition, optical film, production method of optical film, polarizing plate and image display device - A antistatic hard coat layer-forming composition having the following (a), (b), (c) and (d): (a) an ion-conducting compound, (b) a polyethylene oxide compound having one or more photopolymerizable groups, having no hydroxyl group, and having a —(CH | 03-29-2012 |
20120081635 | Light diffusing film, polarizing plate, liquid crystal display device and production method of light diffusing film - A light diffusing film contains a thermoplastic resin as the main component and contains, in the thermoplastic resin, at least one kind of a light-transmitting particle having an average primary particle diameter of 3 to 10 μm, wherein the absolute value of the refractive index difference between the thermoplastic resin and the light-transmitting particle is from 0.01 to 0.06, wherein one surface has concavoconvex shape, the total haze value is from 15 to 30%, the internal haze value is from 5 to 25%, the surface haze value is from 5 to 20%, and the average film thickness is from 20 to 200 μm. | 04-05-2012 |
20120105769 | LIGHT DIFFUSING FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE AND PRODUCTION METHOD OF LIGHT DIFFUSING FILM - A light diffusing film contains a thermoplastic resin as the main component and containing, in the thermoplastic resin, (A) a light-transmitting particle having an average primary particle diameter of 1 to 10 μm, wherein there is substantially no refractive index difference between the thermoplastic resin and the light-transmitting particle, wherein one surface has concavoconvex shape, the total haze value is from 5 to 40%, and the average film thickness is from 20 to 200 μm. | 05-03-2012 |
20120147300 | OPTICAL FILM, POLARIZING PLATE, SURFACE FILM FOR LIQUID CRYSTAL DISPLAY DEVICE AND IMAGE DISPLAY DEVICE - An optical film includes, in the following order: an optically anisotropic layer; a transparent support; and a hardcoat layer, in-plane retardation of the optical film at a wavelength of 550 nm is from 80 to 200 nm and retardation in a direction of thickness of the optical film at a wavelength of 550 nm is from −70 to 70 nm. | 06-14-2012 |
20120169970 | SURFACE FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - An optical film includes, in the following order: a transparent support; an oriented film; an optically anisotropic layer; and a hardcoat layer, the oriented film is directly contacted with the optically anisotropic layer and the optically anisotropic layer is directly contacted with the hardcoat layer, the optically anisotropic layer is formed from a composition containing a liquid crystalline compound having an unsaturated double bond, the optically anisotropic layer and the hardcoat layer are connected with a covalent bond, and in-plane retardation of the optical film at a wavelength of 550 nm is from 80 to 200 nm and retardation in a direction of thickness of the optical film at a wavelength of 550 nm is from −70 to 70 nm. | 07-05-2012 |
20130052434 | ANTISTATIC HARD COAT LAYER FORMING COMPOSITION, OPTICAL FILM, OPTICAL FILM MANUFACTURING METHOD, POLARIZATION PLATE, AND IMAGE DISPLAY DEVICE - Providing is an antistatic hard-coat-layer forming composition including a nonvolatile component containing a conductive polymer (a) a compound (b) and a photo-polymerization initiator (c); and a volatile component containing a solvent (d) having a hydroxyl group, and a solvent (e) having no hydroxyl group where the boiling point is 120° C. or less, wherein the solvent (d) contains a solvent (d2) with 4 or more carbon atoms having a hydroxyl group where the boiling point is 90° C. or more and the SP value is 22.0 to 35.0, the proportion of the polymer (a) in the nonvolatile component is 1 to 20 mass %, the proportion of the solvent (d) in the volatile component is 0.5 to 25 mass %, and the proportion of the component (d2) in the component (d) is 80 to 100 mass %. | 02-28-2013 |
20130083273 | SURFACE FILM FOR IMAGE DISPLAY DEVICE, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE - There is provided an optical film to be used as a surface film for image display device, which comprises an optically anisotropic layer and a hard coat layer in this order on one surface of a transparent support, the optically anisotropic layer and the hard coat layer being brought into direct contact with each other, wherein the optically anisotropic layer is formed of an optically anisotropic layer forming composition containing a liquid crystalline compound having an unsaturated double bond; the hard coat layer is formed of a hard coat layer forming composition containing a compound having an unsaturated double bond and has a film thickness of from 3 to 30 μm; and the optical film has an in-plane retardation of from 80 to 200 nm at a wavelength of 550 nm. | 04-04-2013 |
20130135726 | ANTISTATIC ANTIREFLECTION FILM, METHOD FOR MANUFACTURING ANTISTATIC ANTIREFLECTION FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - An antistatic antireflection film, including; a support; a hardcoat layer formed from a composition for a hardcoat layer containing at least a compound having a quaternary ammonium salt group; and a low refractive index layer formed from a composition for a low refractive index layer containing at least the following (a), (b), (c) and (d), in this order, wherein, (a) is an ethylenically unsaturated group-containing fluoropolymer, (b) is a fluorine-containing polyfunctional monomer having a surface free energy of 23 mN/m or more when a film is formed alone, four or less —CF | 05-30-2013 |
20130258481 | ANTIGLARE FILM, METHOD FOR PRODUCING THE SAME, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - An antiglare film includes an antiglare layer having a thickness of from 3 to 10 μm and a transparent support having a thickness from 20 to 70 μm, and the antiglare layer is formed by applying a composition containing the following components (A) to (D) on the transparent support, drying and curing the applied composition: (A) a resin particle having an average particle size of from 1.0 to 3.0 μm, (B) a curable compound having two or more curable functional groups in a molecule, (C) a smectite clay organic complex in which a smectite clay is intercalated with a quaternary ammonium salt represented by the formula (1) as defined herein, and (D) a volatile organic solvent. | 10-03-2013 |
Patent application number | Description | Published |
20080241524 | Protective Film, Polarizing Plate, and Liquid Crystal Display Device - The present invention provides a protective film which achieves high surface hardness and low moisture permeability, a polarizing plate using the protective film, and a liquid crystal display device having a high surface hardness and excellent durability using the polarizing plate. The protective film of the present invention contains a low moisture-permeable layer and a hard coat layer having an average thickness of 10 μm or more, which are laminated in that order over one surface of a transparent substrate film, and has a moisture permeability at 60° C. and 95% relative humidity of 500 g/m | 10-02-2008 |
20090033839 | RETARDATION FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING IT - Provided is a retardation film comprising a polymer film, and, disposed thereon, an optically-anisotropic layer, of which thickness is equal to or less than 5 μm, of which in-plane retardation at a wavelength of 550 nm, Re(550), is from 0 to 10 nm, and of which thickness-direction retardation at the same wavelength, Rth(550), is from 250 to 450 nm; and satisfying the following formula: 1.00≦Rth(450)/Rth(550)≦1.07 or 1.04≦Rth(450)/Rth(550)≦1.09. | 02-05-2009 |
20090213462 | OPTICAL FILM, POLARIZATION PLATE AND IMAGE DISPLAY DEVICE - An optical film, includes: a transparent support; and at least one low refractive index layer on or above the transparent support, wherein the low refractive index layer is formed from a low refractive index layer forming composition containing (A) a hydrophobic polyrotaxane compound, (B) a fluorine-containing copolymer and an organic solvent. | 08-27-2009 |
20090214871 | HARD COAT FILM, POLARIZING PLATE, AND IMAGE DISPLAY - A hard coat film includes a transparent plastic film substrate; and a hard coat layer, wherein the hard coat layer is formed of a composition for forming a hard coat layer, the composition containing the following component (A), component (B), and an organic solvent: | 08-27-2009 |
20090214872 | OPTICAL FILM, POLARIZING PLATE, IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING OPTICAL FILM - An optical film is provided, the optical film including: a transparent support; and at least one low refractive index layer on or above the transparent support, the low refractive index layer being obtained by hardening a composition containing: (A) a fluorine atom-free polymerizable compound having two or more ethylenically unsaturated groups in one molecule thereof; (B) low refractive index inorganic fine particles; and (C) a polyrotaxane compound. | 08-27-2009 |
20100027116 | ANTIGLARE FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE - An antiglare film is provided, the antiglare film including a transparent plastic film substrate; an antiglare layer having fine recesses and projections on the surface thereof; and an abrasion resistant layer provided at an uppermost surface of the antiglare film, the abrasion resistant layer having an average film thickness of from 0.03 to 0.4 μm, wherein the abrasion resistant layer is formed from a curable composition containing at least following components (A), (B), and (C): (A) an inorganic fine particle containing silicon oxide as a main component and having an average particle size of from 1 to 300 nm; (B) an ionizing radiation-curable resin; and (C) a polymer thickener. | 02-04-2010 |
20110046293 | Light diffusion film, anti-reflection film, polarizing plate and image - A light diffusion film is provided and includes: a transparent plastic film; a light diffusion layer formed from a curable composition containing a leveling agent ant particles having an average particle diameter of 1.0 μm to 15 μm, the light diffusion layer having an average thickness of 1.0 μm to 40 μm. The light diffusion film has a haze of 3% or more and point defects, which has a shape capable of surrounding a circle having a diameter of 100 μm in the average number of 2.0/10 m | 02-24-2011 |
20130143028 | OPTICAL FILM, METHOD FOR PRODUCING THE SAME, POLARIZING PLATE AND IMAGE DISPLAY DEVICE - Optical film having a transparent support and optical functional layer as the outermost layer. The optical functional layer is on or above the transparent support; has a thickness of 50-250 nm; and contains low refractive index fine particles having a refractive index of ≦1.45 and arranged substantially in a line on a surface of the optical functional layer on the opposite side of the transparent support, high refractive index fine particles having a refractive index of ≧1.55 and unevenly distributed in a lower part of the optical functional layer on the side of the transparent support, and a fluorine-containing compound. | 06-06-2013 |
20130265529 | OPTICAL FILM, POLARIZING PLATE AND IMAGE DISPLAY DEVICE USING THE SAME - There is provided an optical film including: a transparent support; an optically anisotropic layer on the outermost surface at one side of the transparent support; a hardcoat layer; and a low refractive index layer, wherein the hardcoat layer and the low refractive index layer are provided at the other side of the transparent support, the transparent support, the hardcoat layer, and the low refractive index layer contains an organic fine particles A having a specific particle size, an organic fine particles B having a specific particle size, and a binder such that a refractive index of 1.20 to 1.40 and average film thickness of 50 to 120 nm, a content of the inorganic fine particles B is appropriately controlled, and arithmetic mean roughness Ra of the optical film surface at a side having the low refractive index layer is a specific value. | 10-10-2013 |
20140093741 | HARDCOAT FILM, METHOD FOR FABRICATING HARDCOAT FILM, ANTIREFLECTION FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE - There is provided a hardcoat film including a hardcoat layer provided at least one surface-side of a transparent support, wherein the hardcoat layer is formed from a hardcoat layer-forming composition containing a compound having a cyclic aliphatic hydrocarbon group and three or more ethylenically unsaturated double bond groups in a molecule of the compound, and a polymerization initiator. | 04-03-2014 |
Patent application number | Description | Published |
20090261749 | APPARATUS AND METHOD FOR AUTOMATICALLY TRIMMING AN OUTPUT PARAMETER OF AN ELECTRONIC BALLAST - An electronic ballast includes a microprocessor which is programmed to read a voltage value corresponding to an output of the electronic ballast, output a signal which controls an amount of power outputted by the electronic ballast in accordance with the voltage value, read an external voltage value, and select one of a trimming mode and a normal mode as an operating mode based on the external voltage value. The microprocessor is also programmed, when operating in the trimming mode, to set an internal reference value, compare the voltage value corresponding to the output of the electronic ballast with the internal reference value, trim an amount of power outputted by the electronic ballast to a resistor corresponding to an impedance of a High Intensity Discharge lamp by adjusting the signal based upon the comparison, and store a result of the signal adjustment. | 10-22-2009 |
20090273304 | APPARATUS AND METHOD FOR TRIMMING AN OUTPUT PARAMETER OF AN ELECTRONIC BALLAST - An electronic ballast includes a microprocessor which is programmed to read an external voltage value, output a signal which controls an amount of power outputted by the electronic ballast, and adjust the signal based upon a difference between the external voltage value and an internal reference value. | 11-05-2009 |
20090289581 | HIGH INTENSITY DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTURE - In order to optimally control power outputted from a high intensity discharge lamp lighting device for a difference among loads connected thereto, such as a difference in gas components contained in arc tubes and a difference in shape of the arc tubes individually in a plurality of discharge lamps | 11-26-2009 |
20110204806 | CIRCUIT ARRANGEMENT FOR OPERATING A DISCHARGE LAMP - An apparatus for operating a gas discharge lamp. The apparatus includes an electronic ballast and a controller. The electronic ballast includes a half bridge configuration, a full bridge configuration, a first network, and a second network. The electronic ballast is controlled by a controller that causes the half bridge configuration to ignite an arc between electrodes of the gas discharge lamp in an igniter function that uses the first network, to switch the electronic ballast from the half bridge configuration to the full bridge configuration after the arc is ignited so that a buck inverter function using the second network sustains the arc between the electrodes of the gas discharge lamp, and to provide a transient operation function to the buck inverter function to produce a spike voltage that is used to re-ignite the arc between the electrodes of the gas discharge lamp when the arc extinguishes. | 08-25-2011 |
Patent application number | Description | Published |
20090084602 | AUTOMOTIVE ELECTRIC/ELECTRONIC PACKAGE - In an automotive electric/electronic package comprising an electronic component, a case for receiving the electronic component therein, and a lid covering an open top of the case, the case and the lid are joined together with a fluorochemical adhesive capable of chemically and/or physically adsorbing a corrosive gas. The package has highly reliable corrosion resistance in that the electronic component is protected from corrosion by corrosive acidic or basic gases such as sulfur compound and nitrogen oxide gases. | 04-02-2009 |
20090130318 | METHOD FOR BONDING POLYAMIDE RESIN AND FLUOROELASTOMER - A bond between fluoroelastomer and polyamide resin is established by applying a silane-based primer composition to a surface of polyamide resin, heat treating at 100-200° C., applying a liquid fluoroelastomer composition to the primer coat at room temperature to 100° C., and heat curing at 100-200° C. for bonding the fluoroelastomer to the polyamide resin. The bond between fluoroelastomer and polyamide resin is maintained over a long period of time even in transmission oils. | 05-21-2009 |
20110129766 | LITHOGRAPHIC PELLICLE - A lithographic pellicle comprises a pellicle film ( | 06-02-2011 |
20110129767 | PELLICLE FOR LITHOGRAPHY - A pellicle | 06-02-2011 |
20120016081 | CURABLE PERFLUOROPOLYETHER GEL COMPOSITION AND GEL PRODUCT PRODUCED BY USING CURED PERFLUOROPOLYETHER GEL COMPOSITION - A curable perfluoropolyether gel composition is provided. The composition comprises (A) a straight chain fluorine-containing polymer represented by the following formula (1): | 01-19-2012 |
20140107263 | ADHESIVE COMPOSITION - An adhesive composition is provided comprising (A) a linear polyfluoro compound having at least two alkenyl groups and a perfluoropolyether structure in its main chain, (B) a fluorinated organohydrogensiloxane having at least two SiH groups, (C) a hydrosilylation catalyst, (D) hydrophobic silica powder, (E) a fluorinated acetylene alcohol, and (F) an organosiloxane containing a SiH group and an epoxy and/or trialkoxysilyl group. A cured product of the composition has a smooth and uniform surface. | 04-17-2014 |
20140114041 | CURABLE FLUOROPOLYETHER GEL COMPOSITION AND GEL ARTICLE - A curable fluoropolyether gel composition comprising (A) a linear polyfluoro compound having at least two alkenyl groups and a perfluoropolyether structure in its backbone, (B) a polyfluoromonoalkenyl compound having one alkenyl group and a perfluoropolyether structure in its backbone, (C) a fluorinated organohydrogensiloxane having at least two SiH groups, and (D) a platinum-based hydrosilylation catalyst is improved by adding (E) a fluorinated acetylene alcohol as reaction regulator. The resulting composition has advantages including uniform dispersion of the catalyst, storage stability, consistent curability, and cured hardness. | 04-24-2014 |
Patent application number | Description | Published |
20130099694 | LIGHTING DEVICE AND LIGHTING FIXTURE USING THE SAME - The lighting device in accordance with the present invention includes: a switching regulator including a switching element and an inductor and configured to supply a direct current to a DC light source; a control circuit unit for controlling the switching element in accordance with a dimming signal for determining an on period in which the DC light source is kept turned on and an off period in which the DC light source is kept turned off to adjust luminance of the DC light source; a current detection unit configured to output a detection value indicative of a current flowing through the inductor; and a superimposing circuit unit. The circuit control unit, in the on period, turns off the switching element when an input value received via the input terminal for receiving the detection value exceeds a first threshold, and turns on the switching element when the input value falls below a second threshold, and keeps turning off the switching element in the off period. The superimposing circuit unit is configured to keep the input value not less than the second threshold in the off period. | 04-25-2013 |
20130113394 | LIGHTING SYSTEM AND LUMINAIRE - A lighting system for controlling a plurality of light sources includes at least a first and a second light source, the second light source having a color temperature and relative luminous efficiency higher than those of the first light source. Further, the system includes: a driving unit configured to turn on and off each of the light sources; and a control unit configured to transmit a control signal to the driving unit in response to an input signal. In addition, the control unit transmits the control signal to the driving unit, to perform at least one of a fade-in control in which the first light source is turned on prior to the second light source when turning on the light sources and a fade-out control in which the second light source is turned off or is dimmed, prior to the first light source when turning off the light sources. | 05-09-2013 |
20130127367 | LIGHTING DEVICE AND ILLUMINATION APPARATUS - A lighting device includes: a DC converter including at least an inductor, a switching unit and a diode and being configured to output an energy accumulated in the inductor to a load via the diode by using an input from a DC power source when the switching unit is turned off; a load voltage detection unit connected to the load to detect a load voltage of the load; and an abnormality determining unit configured to determine an abnormality when the load voltage is equal to or less than a preset threshold voltage. The device further includes an output control unit configured to drive the switching unit so that oscillation of the switching unit is stopped or the output of the DC converter is decreased when the abnormality is determined. | 05-23-2013 |
20140070721 | SOLID-STATE LIGHT-EMITTING ELEMENT DRIVE DEVICE, LIGHTING SYSTEM AND LIGHTING FIXTURE - In a conventional example, even if a duty cycle of the burst dimming is changed during an OFF-period of a switching element, current flowing to an LED is maintained constant. On the other hand, in the present embodiment, an accumulated value of ON-periods of a switching element is increased or decreased so as to be linked to a minimum variation width for a duty cycle (a dimming level) of a dimming signal, regardless of a timing of when the duty cycle is changed. Therefore, a lighting system (an LED drive device) according to the present embodiment can change smoothly a light output of a solid-state light-emitting element (a light source) with respect to a change in a duty cycle of the burst dimming while preventing the switching frequency from increasing. | 03-13-2014 |
20140077719 | SOLID-STATE LIGHT-EMITTING ELEMENT DRIVE DEVICE, LIGHTING SYSTEM AND LIGHTING FIXTURE - A solid-state light-emitting element drive device includes a switching regulator and a control circuit. The switching regulator includes a series circuit of a switching element and an inductor, a regenerative element configured to allow a regenerative current to flow therethrough from the inductor when the switching element is turned off, and output terminals configured so that a solid-state light-emitting element is connected therebetween. The control circuit is configured to control a switching operation of the switching element of the switching regulator. The control circuit is configured to suppress an output power of the switching regulator if a parameter obtained from at least one of an ON-period and an OFF-period of the switching element is out of a prescribed range. | 03-20-2014 |
20150084534 | LIGHTING APPARATUS AND ILLUMINATION SYSTEM USING THE SAME - A lighting apparatus includes a power supply unit and a control unit configured to control the power supply unit. The control unit determines, at a time of activation of the lighting apparatus, a first color temperature of the load at an initial stage of lighting based on a command value. Thereafter, the control unit controls the power supply unit such that the light quantity and the color temperature of the load change according to a second output characteristic during a period in which the color temperature of the load changes from the first color temperature to a second color temperature. The second color temperature is a color temperature, in the first output characteristic, corresponding to the command value. A correspondence relationship between a plurality of light quantities and a plurality of color temperatures defined by the second output characteristic is different from that of the first output characteristic. | 03-26-2015 |