Patent application number | Description | Published |
20110116566 | WIRELESS COMMUNICATION SYSTEM, TRANSMITTER AND RECEIVER - According to the present invention, a transmitter includes: multiple antennas 15-1, 15-2; a DFT unit 04 configured to transform a time domain signal into a frequency domain signal; a cluster mapping unit 05 configured to divide the frequency domain signal into clusters and to assign the clusters to frequencies on the basis of cluster assignment information; an IDFT unit 06 configured to transform a mapped frequency domain signal into a time domain signal; and cyclic delay setting units 11-1, 11-2 configured to set, for the respective multiple antennas, a cyclic delay amount to the IDFT-transformed time domain signal. | 05-19-2011 |
20110200071 | WIRELESS COMMUNICATION SYSTEM, CONTROL STATION APPARATUS AND TERMINAL APPARATUS - To switch among access schemes of different systems efficiently, in a wireless communication system for selecting one access scheme from among a plurality of access schemes to perform wireless communications in between a control station apparatus and a terminal apparatus, the control station apparatus notifies the terminal apparatus of an access scheme using information indirectly designating the access scheme, and the terminal apparatus selects one access scheme from among a plurality of access schemes according to the notified information to perform wireless communications with the control station apparatus. | 08-18-2011 |
20110228815 | TRANSMISSION APPARATUS, RECEPTION APPARATUS AND COMMUNICATION SYSTEM - In SU-MIMO, even when the channel state of one antenna is poor, an error ratio is improved by obtaining a transmission antenna diversity effect. A transmission apparatus | 09-22-2011 |
20110255624 | MULTIUSER MIMO SYSTEM, RECEIVER, AND TRANSMITTER - Even when respective transmitters use different transmission schemes, signals of the respective transmitters are separated. A receiver that is applied to a multiuser MIMO system in which a plurality of transmitters performs transmission to at least one receiver, includes a MIMO separation part | 10-20-2011 |
20120002580 | MOBILE STATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND PROGRAM - A mobile station apparatus performs communication with abase station apparatus using a multiple number of component frequency bands, each being a band having a predetermined frequency bandwidth, and includes: a controller setting up a value relating to the transmission power of each component frequency band in accordance with the number of component frequency bands to which radio resources are allocated; and a transmission processor adjusting the transmission power of each component frequency band, based on the value of transmission power set at the controller and transmitting a signal using radio resources of a multiple number of component frequency bands. With this configuration, in a radio communication system using a multiple number of component frequency bands, it is possible to adjust transmission power control in accordance with the number of uplink component frequency bands used for transmission and transmit a signal of a waveform suitable for the radio communication system. | 01-05-2012 |
20120002602 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND COMMUNICATION METHOD - TPC is appropriately operated in response to access method switching timing, an error is prevented from occurring in communication, and influence given to another cell due to transmission of unnecessary power is reduced. | 01-05-2012 |
20120057543 | WIRELESS COMMUNICATION SYSTEM, RECEPTION APPARATUS, TRANSMISSION APPARATUS, COMMUNICATION METHOD OF WIRELESS COMMUNICATION SYSTEM, CONTROL PROGRAM, AND AUTONOMOUS DISTRIBUTED NETWORK - Based on a data signal and a known reference signal, a frequency response of a channel is predicted, and the state of the channel over the entire transmission band is predicted such that frequency allocation is performed in a short period of time. A reception apparatus that receives a signal from a transmission apparatus which distributedly arranges signals in a frequency domain into a plurality of frequencies and which performs wireless transmission, the reception apparatus including: a channel property prediction unit ( | 03-08-2012 |
20120063341 | WIRELESS COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, BASE STATION APPARATUS AND WIRELESS COMMUNICATION METHOD - To reduce power consumption in a mobile station apparatus in uplink, while making the system more efficient, the mobile station apparatus has a plurality of transmission antennas | 03-15-2012 |
20120064846 | WIRELESS COMMUNICATION SYSTEM, WIRELESS TRANSMITTER, AND CONTROL PROGRAM FOR WIRELESS TRANSMITTER - By switching between an SFBC and a CDD according to required transmission power in an uplink, the transmission diversity of the uplink is efficiently performed. A wireless transmitter which includes transmitting antennas | 03-15-2012 |
20120093114 | WIRELESS COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, BASE STATION CONTROL PROGRAM, AND MOBILE STATION CONTROL PROGRAM - A wireless communication system which includes a base station and a mobile station and in which the mobile station performs data transmission to the base station by allocating a transmission signal converted into a frequency signal to contiguous frequency bands or non-contiguous frequency bands divided into a predetermined number, wherein, when retransmission occurs in the data transmission the mobile station has performed by allocating the transmission signal converted into the frequency signal into the non-contiguous frequency bands, the base station determines a transmission power headroom of the mobile station in the allocation of the transmission signal to the non-contiguous frequency bands, and, if a result of the determination shows that there is not a transmission power headroom, the base station instructs the mobile station to allocate the transmission signal to the contiguous frequency bands and to perform the retransmission by increasing transmission power. | 04-19-2012 |
20120093251 | RADIO COMMUNICATION SYSTEM, TRANSMISSION APPARATUS, AND RECEPTION APPARATUS - To provide a radio communication system, a transmission apparatus, a central control unit, and a reception apparatus, which can enhance transmission performances without giving more interference than necessary. The radio communication system in which a plurality of transmission apparatuses | 04-19-2012 |
20120096336 | Transmission Apparatus Reception Apparatus and Communication System - To improve performance of a decoder even in a system with the coder configuration determined by inserting a doping bit sequence known between a transmission apparatus and a reception apparatus in an information bit sequence to transmit, the transmission apparatus is a transmission apparatus that transmits radio signals to the reception apparatus, and is provided with a doping section | 04-19-2012 |
20120120942 | WIRELESS COMMUNICATION SYSTEM, TRANSMITTER AND WIRELESS COMMUNICATION METHOD - To suppress deterioration of channel estimation accuracy even when a terminal moves at high speed in a system for switching among a plurality of insertion patterns of channel estimation signals, in a wireless communication system for using one of a plurality of types of frame formats with different insertion positions of a channel estimation symbol, and spreading data in the frequency domain to perform communications, the types of frame formats include at least a first frame format having a channel estimation symbol in which channel estimation signals are allocated to all subcarriers, and a second frame format having a channel estimation symbol in which a channel estimation signal and data is multiplexed, and PAPR characteristics of a subcarrier for data transmission in the second frame format are the same as PAPR characteristics of a subcarrier for transmitting a symbol assigned only the data. | 05-17-2012 |
20120275410 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND FREQUENCY ALLOCATING METHOD - A wireless communication system includes: a plurality of transmitter apparatuses each of which converts a transmitted signal into a frequency signal, then places the frequency signal into a frequency spectrum allocated to the transmitter apparatus and then transmits the signal; and a receiver apparatus that receives the signals transmitted by the plurality of transmitter apparatuses, removes the interference between the signals of the transmitter apparatuses, and separates the signals of the respective transmitter apparatuses; wherein the bandwidth obtained by summing the frequency spectra allocated to the plurality of transmitter apparatus exceeds the allocatable system bandwidth. | 11-01-2012 |
20140119326 | WIRELESS COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, BASE STATION CONTROL PROGRAM, AND MOBILE STATION CONTROL PROGRAM - A base station which includes a transmission section that is configured to transmit, to a mobile station, first information indicating first control information for controlling a number of transmission antennas of the mobile station for retransmitting transmission data with at least second information indicating a retransmission request and third information indicating second control information for controlling retransmission power for retransmitting the transmission data. The base station also includes a radio section configured to receive, from the mobile station, the transmission data. | 05-01-2014 |
20140187229 | WIRELESS COMMUNICATION SYSTEM, WIRELESS TRANSMISSION APPARATUS AND WIRELESS TRANSMISSION METHOD - A wireless transmission apparatus that transmits transmission data in each of a plurality of system frequency bands using a transmission power controlled so that a total transmission power of each of the plurality of system frequency bands is less than a maximum transmit power, where the maximum transmit power incase of transmitting the transmission data simultaneously using two or more system frequency bands in the plurality of system frequency bands is less than a maximum transmit power in case of transmitting the transmission data using single system frequency band in the plurality of system frequency band. | 07-03-2014 |
20140219318 | WIRELESS COMMUNICATION SYSTEM, CONTROL STATION APPARATUS AND TERMINAL APPARATUS - A control station apparatus comprising a transmitter that is configured to transmit, to a terminal apparatus, information indicating an allocation method for allocating frequency signals to a plurality of subcarriers, where the information indicates a communication scheme which is one of Single Carrier Frequency Division Multiple Access (SC-FDMA) scheme and Clustered Discrete Fourier Transform-spread-OFDM (Clustered DFT-S-OFDM) scheme. | 08-07-2014 |
20140334367 | MOBILE STATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND PROGRAM - A mobile station (MS) communicates with a base station using a plurality of component frequency bands, each band of the plurality of component frequency bands being a band having a predetermined frequency bandwidth. The MS sets up an upper limit value of transmission power (TP) of each component frequency band in accordance with the number of component frequency bands to which radio resources are allocated at a time. The MS also adjusts the TP of each component frequency band based on the upper limit value of TP set at the controller, wherein the adjusting of the TP is according to the following formula: | 11-13-2014 |
20150055596 | WIRELESS COMMUNICATION SYSTEM, WIRELESS TRANSMITTER, AND CONTROL PROGRAM FOR WIRELESS TRANSMITTER - A mobile station transmitting transmission signals using one of a plurality of transmission schemes which includes at least a first transmission scheme and a second transmission scheme, where in a case that the used transmission scheme is the first transmission scheme, the transmission signals are applied by an open loop (OL) in which precoding information is not fed back and in a case that the used transmission scheme is the second transmission scheme, the transmission signals are applied by a closed loop (CL) for which a precoding matrix indicator (PMI) is fed back from the mobile station. The first peak-to-average power ratio (PAPR) characteristics of the first transmission scheme differs from the second PAPR characteristics of the second transmission scheme. | 02-26-2015 |
Patent application number | Description | Published |
20120067730 | MANUFACTURING METHOD OF ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE - A porous resin article having a three-dimensional network structure is used. A resin molded body at least the surface of which has been subjected to conductive treatment is plated with aluminum in a molten salt bath to form an aluminum structure, thus forming a porous aluminum that includes an aluminum layer having a thickness in the range of 1 to 100 μm, has an aluminum purity of 98.0% or more and a carbon content of 1.0% or more and 2% or less, and contains inevitable impurities as the balance. Even with a porous resin molded body having a three-dimensional network structure, this allows the surface of the porous resin molded body to be plated with aluminum, thus forming a high-purity aluminum structure having a uniform thick film. | 03-22-2012 |
20120070735 | METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR - A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided. | 03-22-2012 |
20120321951 | METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR - A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided. | 12-20-2012 |
20120321952 | METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR - A porous metal body containing continuous pores and having a low oxygen content is provided by decomposing a porous resin body that contains continuous pores and has a layer of a metal thereon by heating the porous resin body at a temperature equal to or less than the melting point of the metal while the porous resin body is immersed in a first molten salt and a negative potential is applied to the metal layer; and a method for producing the porous metal body is provided. | 12-20-2012 |
20130004844 | THREE-DIMENSIONAL NETWORK ALUMINUM POROUS BODY, ELECTRODE USING THE ALUMINUM POROUS BODY, AND NONAQUEOUS ELECTROLYTE BATTERY, CAPACITOR AND LITHIUM-ION CAPACITOR WITH NONAQUEOUS ELECTROLYTIC SOLUTION, EACH USING THE ELECTRODE - The present invention provides a three-dimensional network aluminum porous body in which the cell diameter of the three-dimensional network aluminum porous body is uneven in the thickness direction, and a current collector and an electrode respectively using the aluminum porous body, and a production method thereof. That is, such a sheet-shaped three-dimensional network aluminum porous body for a current collector has a cell diameter uneven in the thickness direction. Particularly, it is preferred that when a cross section in the thickness direction of the three-dimensional network aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, the average of the cell diameter in the region 1 and the cell diameter in the region 3 differs from the cell diameter in the region 2. | 01-03-2013 |
20130004854 | ELECTRODE FOR ELECTROCHEMICAL ELEMENT - The present invention aims at providing an electrode for an electrochemical element having adequately high capacity and output. The electrode for an electrochemical element of the present invention has a feature in that a mixture containing an active material, a conduction aid and a binder is filled into continuous pores of an aluminum porous body having the continuous pores, and the content ratio of the conduction aid in the mixture is 0 to 4 mass %. Further, the electrode for an electrochemical element of the present invention has a feature in that a mixture containing an active material, a conduction aid and a binder is filled into continuous pores of an aluminum porous body having the continuous pores, and the content ratio of the binder in the mixture is less than 5 mass %. | 01-03-2013 |
20130004856 | THREE-DIMENSIONAL NETWORK ALUMINUM POROUS BODY FOR CURRENT COLLECTOR, CURRENT COLLECTOR USING THE ALUMINUM POROUS BODY, ELECTRODE USING THE CURRENT COLLECTOR, AND NONAQUEOUS ELECTROLYTE BATTERY, CAPACITOR AND LITHIUM-ION CAPACITOR, EACH USING THE ELECTRODE - It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body which is suitably used as current collector base materials of an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor using a nonaqueous electrolytic solution, and an electrode, a capacitor and a lithium-ion capacitor, each using the sheet-shaped three-dimensional network aluminum porous body. For this object, the three-dimensional network aluminum porous body for a current collector of the present invention is a sheet-shaped three-dimensional network aluminum porous body, and a skeleton forming the aluminum porous body has a surface roughness (Ra) of 3 μm or more, and preferably 3 μm or more and 50 μm or less. | 01-03-2013 |
20130040046 | METHOD FOR PRODUCING ELECTRODE FOR ELECTROCHEMICAL ELEMENT - It is an object of the present invention to provide a method for producing an electrode for an electrochemical element at low cost. The method for producing an electrode for an electrochemical element of the present invention includes a slurry preparation step of preparing a slurry of a mixture containing an active material, a slurry filling step of filling the slurry into continuous pores of an aluminum porous body having the continuous pores, and a slurry drying step of drying the filled slurry, wherein in the slurry preparation step, a slurry is prepared by using water as a solvent. | 02-14-2013 |
20130040196 | ELECTROCHEMICAL ELEMENT - It is an object of the present invention to provide an electrochemical element which has a high capacity and is low in cost. The electrochemical element of the present invention is an electrochemical element including an electrode for an electrochemical element, wherein a current collector of positive electrode and/or a current collector of negative electrode is a metal porous body having continuous pores and a mixture containing an active material is filled into the continuous pores. | 02-14-2013 |
20130040205 | ELECTRODE FOR ELECTROCHEMICAL ELEMENT AND METHOD FOR PRODUCING THE SAME - The method for producing an electrode for an electrochemical element of the present invention includes a slurry filling step of filling a slurry containing an active material into continuous pores of an aluminum porous body having the continuous pores, and a slurry drying step of drying the slurry filled, and in this method, after the slurry drying step, an electrode for an electrochemical element is produced without undergoing a compressing step of compressing the aluminum porous body having the slurry filled therein and dried. In the electrode, a mixture containing an active material is filled into continuous pores of an aluminum porous body having the continuous pores, and porosity (%) of the aluminum porous body, the porosity being represented by the following equation, is 15 to 55%. | 02-14-2013 |
20130121873 | METHOD FOR PRODUCING ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE - An object is to provide a method for producing an aluminum structure using a porous resin body having a three-dimensional network structure, with which an aluminum structure having a low impurity content can be formed, and in particular, a porous aluminum body having a large area can be obtained. | 05-16-2013 |
20130122375 | POROUS METAL BODY, AND ELECTRODE MATERIAL AND BATTERY BOTH INCORPORATING THE BODY - The invention offers a porous metal body that has a three-dimensional network structure, that has less reduction in performance during the pressing and compressing steps when an electrode material is produced, and that can be used as an electrode material capable of achieving good electric properties, a method of producing the porous metal body, and an electrode material and a battery both incorporating the foregoing porous metal body. A porous metal body has a skeleton structure that is formed of a metal layer, that has a three-dimensional network structure, and that has an end portion provided with a nearly spherical portion. It is desirable that the metal be aluminum and that the nearly spherical portion have a diameter larger than the outer diameter of the skeleton structure. | 05-16-2013 |
20130288124 | THREE-DIMENSIONAL NETWORK ALUMINUM POROUS BODY FOR CURRENT COLLECTOR, AND CURRENT COLLECTOR, ELECTRODE, NONAQUEOUS ELECTROLYTE BATTERY, CAPACITOR AND LITHIUM-ION CAPACITOR, EACH USING ALUMINUM POROUS BODY - It is an object of the present invention to provide a current collector including an aluminum porous body suitable for an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor electrode, and an electrode using the current collector. In the three-dimensional network aluminum porous body for a current collector of the present invention, when a sheet-shaped three-dimensional aluminum porous body is divided in the width direction into a central region and two end regions with the central region situated therebetween, the weight per unit area of aluminum in the aluminum porous body at the two end regions is larger than the weight per unit area of aluminum in the aluminum porous body at the central region. | 10-31-2013 |
20130330614 | ELECTRODE USING THREE-DIMENSIONAL NETWORK ALUMINUM POROUS BODY, AND NONAQUEOUS ELECTROLYTE BATTERY, CAPACITOR AND LITHIUM-ION CAPACITOR WITH NONAQUEOUS ELECTROLYTIC SOLUTION, EACH USING THE ELECTRODE - In an electrode according to the present invention including a three-dimensional network aluminum porous body as a base material, the electrode is a sheet-shaped electrode, and a cell of the three-dimensional network aluminum porous body has an elliptic shape having a minor axis in the thickness direction of the electrode in a cross section parallel to the longitudinal direction and thickness direction of the electrode, and a cell of the three-dimensional network aluminum porous body has an elliptic shape having a minor axis in the thickness direction of the electrode in a cross section parallel to the width direction and thickness direction of the electrode. The electrode is preferably obtained by subjecting the three-dimensional network aluminum porous body to at least a current collecting lead welding step, an active material filling step and a compressing step. | 12-12-2013 |
20130333209 | METHOD FOR PRODUCING ELECTRODE FOR ELECTROCHEMICAL ELEMENT - It is an object of the present invention to provide a method for producing an electrode for an electrochemical element, which can easily adjust a capacity and can produce the electrochemical element at low cost. The method for producing an electrode for an electrochemical element of the present invention includes a thickness adjustment step of compressing an aluminum porous body having continuous pores to adjust the thickness of the aluminum porous body to a predetermined thickness, and a filling step of filling the aluminum porous body, the thickness of which is adjusted, with an active material. | 12-19-2013 |
20160049661 | THREE-DIMENSIONAL NET-LIKE ALUMINUM POROUS BODY, ELECTRODE USING THE ALUMINUM POROUS BODY, NONAQUEOUS ELECTROLYTE BATTERY USING THE ELECTRODE, AND NONAQUEOUS ELECTROLYTE CAPACITOR USING THE ELECTRODE - Provided are a three-dimensional net-like aluminum porous body in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body; a current collector and an electrode each using the aluminum porous body; and methods for producing these members. The porous body is a three-dimensional net-like aluminum porous body in a sheet form, for a current collector, in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body. When a cross section in the thickness direction of the three-dimensional net-like aluminum porous body is divided into three regions of a region | 02-18-2016 |
20160104583 | PRODUCTION METHOD FOR ALUMINUM POROUS BODY, ALUMINUM POROUS BODY, CURRENT COLLECTOR, ELECTRODE, AND ELECTROCHEMICAL DEVICE - A production method for an aluminum porous body includes a step of producing a resin structure by forming an aluminum film on a surface of a resin base having a three-dimensional network structure by molten salt electrolytic plating, a step of removing moisture from the resin structure, and a step of removing the base by heat-treating the resin structure from which moisture has been removed. In the step of removing moisture from the resin structure, the resin structure is preferably heat-treated at a temperature of 50° C. or higher and 300° C. or lower. In the step of removing the base, the resin structure is preferably heat-treated at a temperature equal to or higher than 370° C. and lower than the melting point of aluminum. | 04-14-2016 |
Patent application number | Description | Published |
20090325045 | ELECTRODE PLATE FOR BATTERY, ELECTRODE GROUP FOR BATTERY, LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING ELECTRODE PLATE FOR BATTERY AND APPARATUS FOR PRODUCING ELECTRODE PLATE FOR BATTERY - An electrode plate includes a both-surface coated part | 12-31-2009 |
20100035140 | ELECTRODE PLATE FOR BATTERY, ELECTRODE GROUP FOR BATTERY, LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING ELECTRODE PLATE FOR BATTERY - In an electrode plate | 02-11-2010 |
20110315306 | THIN HIGH-PERFORMANCE POLARIZING FILM AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a thin high-performance polarizing film includes coating a polyvinyl alcohol type resin on a resin substrate having a thickness of at least 20 μm and then drying the resin to thereby form a polyvinyl alcohol type resin layer, immersing thus produced polyvinyl alcohol type resin layer in a dyeing solution including a dichroic material to thereby have the dichroic material impregnated in the polyvinyl alcohol type resin layer, stretching the polyvinyl alcohol type resin layer having the dichroic material impregnated therein together with the resin substrate in a boric acid solution such that a total stretching ratio of 5.0 or more of the original length is achieved. | 12-29-2011 |
20120055607 | METHOD OF PRODUCING ROLL OF OPTICAL FILM LAMINATE WITH POLARIZING FILM - A method of producing a roll of an optical film laminate including a polarizing film includes providing a roll of a separator film-attached optical film laminate which includes the steps of: a continuous web of an optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, and a separator film attached to the optical film laminate through an adhesive layer; in a state after the separator film is peeled, detecting a defect existing in the optical film laminate and the adhesive layer; upon detection of a defect in the continuous web of optical film laminate, recording a position of the defect; and winding into a roll a separator film-attached optical film laminate formed by attaching a separator film to the adhesive layer. | 03-08-2012 |
20120055608 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - A method of producing a roll of an optical film laminate strip includes the steps of: forming an optical film laminate which includes an optical film having a continuous web of polarizing film, and a resin film bonded to the optical film; creating a reference mark to extend across the optical film laminate in a width direction thereof; performing a defect inspection for detecting a defect existing in the optical film, and, when a defect is detected, recording a position of the defect in the form of a laminate widthwise position and a laminate lengthwise position as measured from the reference mark; cutting the optical film laminate along a direction parallel to the length direction to form a plurality of continuous webs of laminate strips; based on the widthwise position of the defect detected by the defect inspection, determining which of the cut laminate strips has the defect, and, with respect to a specific laminate strip which is determined to have the defect, storing information about the defect together with identification information for identifying the specific laminate strip; and winding each of the laminate strips into a roll. | 03-08-2012 |
20120055621 | METHOD FOR MANUFACTURING OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM - A method for manufacturing an optical film laminate including subjecting a laminate including the non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the non-crystallizable ester type thermoplastic resin substrate to an elevated temperature in-air stretching to form a stretched laminate comprising a stretched intermediate consisting of a molecularly oriented polyvinyl alcohol type resin, impregnating the dichroic material in the stretched laminate to form a dyed laminate including a dyed intermediate comprising a polyvinyl alcohol type resin layer having the dichroic material impregnated therein in an oriented state, and stretching the dyed laminate in boric acid solution to form an optical film laminate. | 03-08-2012 |
20120055622 | METHOD AND APPARATUS FOR SEQUENTIALLY LAMINATING OPTICAL FILM INCLUDING POLARIZING FILM, TO RECTANGULAR-SHAPED PANEL - A method of sequentially laminating a carrier film-attached optical film laminate to a rectangular-shaped panel having a long side and a short side, is provided. The optical film laminate includes an optical film including a thin polarizing film, and a carrier film attached to the optical film through an adhesive layer. The method includes the steps: forming a plurality of slits in the carrier film-attached optical film laminate in a width direction thereof at lengthwise given intervals to extend from a surface of the optical film on a side opposite to the carrier film to a depth reaching a surface of the carrier film adjacent to the optical film to thereby form an optical film sheet supported by the carrier film, between lengthwisely adjacent two of the slits; and laminating each of the optical film sheets to a respective one of the panels through the adhesive layer. | 03-08-2012 |
20120055623 | METHOD AND APPARATUS FOR CONTINUOUSLY PRODUCING OPTICAL PANEL ASSEMBLIES - A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate including a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 μm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer. | 03-08-2012 |
20120056211 | POLARIZING FILM, OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, STRETCHED LAMINATE FOR USE IN PRODUCTION OF OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, PRODUCTION METHODS FOR THEM, AND ORGANIC EL DISPLAY DEVICE HAVING POLARIZING FILM - Provided is a continuous web of polarizing film for an organic EL display device which has a thickness of 10 μm or less and exhibits high optical characteristics. The polarizing film for an organic EL display device is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and exhibit optical characteristics satisfying the following conditions: T≧42.5; and P≧99.5, wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film for an organic EL display device may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the substrate, to 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching. | 03-08-2012 |
20120056340 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - A method of producing a roll of an optical film laminate strip including a polarizing film includes the steps of: forming a continuous web of optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, wherein the polarizing film is formed by performing an stretching sub-step of subjecting a laminate comprising a continuous web of thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate, to a uniaxial stretching in a lengthwise direction of the laminate based on 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching; cutting the continuous web of optical film laminate along a direction parallel to the length direction to form at least one continuous web of laminate strip having a given width; and winding the continuous web of laminate strip having the given width into a roll. | 03-08-2012 |
20120057104 | OPTICAL DISPLAY DEVICE HAVING POLARIZING FILM - Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 | 03-08-2012 |
20120057107 | OPTICAL DISPLAY DEVICE HAVING POLARIZING FILM - Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 | 03-08-2012 |
20120057231 | POLARIZING FILM, OPTICAL FILM LAMINATE COMPRISING POLARIZING FILM, AND STRETCHED LAMINATE FOR MANUFACTURING THE SAME - A polarizing film includes a polyvinyl alcohol (PVA) type resin having a dichroic material impregnated therein. The polarizing film is formed by stretching the PVA type resin, such that the thickness of the polarizing film is decreased to 10 μm or less, and. The polarizing film has optical properties which satisfy conditions represented by formulae: | 03-08-2012 |
20120057232 | POLARIZING FILM, OPTICAL FILM LAMINATE COMPRISING POLARIZING FILM, AND STRETCHED LAMINATE FOR MANUFACTURING THE SAME - A polarizing film includes a polyvinyl alcohol (PVA) type resin having a dichroic material impregnated therein. The polarizing film is formed by stretching the PVA type resin, such that the thickness of the polarizing film is decreased to 10 μm or less, and. The polarizing film has optical properties which satisfy conditions represented by formulae: | 03-08-2012 |
20120058291 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE AND PRODUCTION METHOD THEREFOR - A method of producing a roll of a continuous web of an optical film laminate, usable in a process of laminating an optical film sheet including a polarizing film and formed to a size corresponding to that an optical panel to a surface of the optical panel being fed to a lamination position, is disclosed. The polarizing film is prepared by subjecting a laminate including a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to uniaxial 2-stage stretching to reduce a thickness of the PVA type resin layer to 10 μm or less, and causing a dichroic material to be absorbed in the PVA type resin layer. A carrier film is releasably attached to the continuous web of optical film laminate including the polarizing film, through an adhesive layer. A defect inspection is performed for the optical film laminate and the adhesive layer. | 03-08-2012 |
20120058321 | POLARIZING FILM, OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, AND METHOD FOR MANUFACTURING THE SAME - An optical film laminate includes a substrate including a crystallizable ester type thermoplastic resin in the form of a continuous web; and a polarizing film including a polyvinyl alcohol type resin layer formed on the substrate, said polarizing film including a dichroic material impregnated therein in a molecularly oriented state, wherein the polarizing film is formed by providing a laminate including the polyvinyl alcohol type resin layer formed on a substrate including a crystallizable ester type thermoplastic resin in an amorphous state and subjecting the laminate to a 2-stage stretching process including a preliminary in-air stretching and an in-boric-acid-solution stretching under a temperature maintaining the amorphous state of the substrate, such that the polyvinyl alcohol type resin layer is stretched to a thickness of 10 μm or less, the polarizing film having optical properties based on the formulae P>−(10 | 03-08-2012 |
20120300300 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER-ATTACHED OPTICAL FILM AND IMAGE DISPLAY - A pressure-sensitive adhesive composition for an optical film of the invention includes a (meth)acryl-based polymer(A), a polyether compound (B) having a polyether skeleton and a reactive silyl group and an ionic compound (C). The pressure-sensitive adhesive composition for an optical film has an antistatic function and can form a pressure-sensitive adhesive layer durable enough under severe conditions. | 11-29-2012 |
20120327512 | THIN HIGH-PERFORMANCE POLARIZING FILM AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a thin high-performance polarizing film includes coating a polyvinyl alcohol type resin on a resin substrate having a thickness of at least 20 μm and then drying the resin to thereby form a polyvinyl alcohol type resin layer, immersing thus produced polyvinyl alcohol type resin layer in a dyeing solution including a dichroic material to thereby have the dichroic material impregnated in the polyvinyl alcohol type resin layer, stretching the polyvinyl alcohol type resin layer having the dichroic material impregnated therein together with the resin substrate in a boric acid solution such that a total stretching ratio of 5.0 or more of the original length is achieved. | 12-27-2012 |
20130100529 | OPTICAL DISPLAY DEVICE HAVING POLARIZING FILM - Provided is an optical display device using a polarizing film which has a thickness of 10 μm or less and exhibits high optical characteristics. The optical display device comprises a continuous web of polarizing film which is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and satisfy conditions expressed by the following formulas: P>−(10 | 04-25-2013 |
20130114139 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - A method of producing a roll of an optical film laminate strip including a polarizing film includes the steps of: forming a continuous web of optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, wherein the polarizing film is formed by performing an stretching sub-step of subjecting a laminate comprising a continuous web of thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate, to a uniaxial stretching in a lengthwise direction of the laminate based on 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching; cutting the continuous web of optical film laminate along a direction parallel to the length direction to form at least one continuous web of laminate strip having a given width; and winding the continuous web of laminate strip having the given width into a roll. | 05-09-2013 |
20130329289 | Polarizing film including modified PVA, and optical laminate with the polarizing film - [TECHNICAL PROBLEM] | 12-12-2013 |
20140111858 | Polarizing plate with a pressure-sensitive adhesive layer and image display device - Provided is a polarizing plate with a pressure-sensitive adhesive layer which is excellent in reliability of optical properties and durability of pressure-sensitive adhesion. The polarizing plate with a pressure-sensitive adhesive layer comprises a polarizing film and a pressure-sensitive adhesive layer provided directly on at least one surface of the polarizing film. The pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive composition containing a pressure-sensitive adhesive polymer, and an amount of an acid component in a total monomer component constituting the pressure-sensitive adhesive polymer is less than 8 wt %. | 04-24-2014 |
20140186568 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE AND PRODUCTION METHOD THEREFOR - A method of producing a roll of a continuous web of an optical film laminate, usable in a process of laminating an optical film sheet including a polarizing film and formed to a size corresponding to that an optical panel to a surface of the optical panel being fed to a lamination position, is disclosed. The polarizing film is prepared by subjecting a laminate including a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to uniaxial 2-stage stretching to reduce a thickness of the PVA type resin layer to 10 μm or less, and causing a dichroic material to be absorbed in the PVA type resin layer. A carrier film is releasably attached to the continuous web of optical film laminate including the polarizing film, through an adhesive layer. A defect inspection is performed for the optical film laminate and the adhesive layer. | 07-03-2014 |
20150183199 | METHOD AND APPARATUS FOR CONTINUOUSLY PRODUCING OPTICAL PANEL ASSEMBLIES - A method of producing an optical panel assembly including the polarizing film in a continuous manner by laminating a polarizing film to a surface of a rectangular-shaped optical panel, is disclosed. The polarizing film is formed by performing a step of subjecting a laminate including a continuous web of a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to a 2-stage stretching consisting of a preliminary in-air stretching and an in-boric-acid-solution stretching, to reduce a thickness of the PVA type resin layer to 10 μm or less, and a step of causing a dichroic material to be absorbed in the PVA type resin layer. | 07-02-2015 |
20160054494 | ROLL OF CONTINUOUS WEB OF OPTICAL FILM LAMINATE AND PRODUCTION METHOD THEREFOR - A method of producing a roll of a continuous web of an optical film laminate, usable in a process of laminating an optical film sheet including a polarizing film and formed to a size corresponding to that an optical panel to a surface of the optical panel being fed to a lamination position, is disclosed. The polarizing film is prepared by subjecting a laminate including a thermoplastic resin substrate and a PVA type resin layer formed on the substrate, to uniaxial 2-stage stretching to reduce a thickness of the PVA type resin layer to 10 μm or less, and causing a dichroic material to be absorbed in the PVA type resin layer. A carrier film is releasably attached to the continuous web of optical film laminate including the polarizing film, through an adhesive layer. A defect inspection is performed for the optical film laminate and the adhesive layer. | 02-25-2016 |
20160103258 | METHOD OF PRODUCING ROLL OF LAMINATE STRIP WITH POLARIZING FILM - Disclosed is a method of producing a roll of an optical film laminate strip including a polarizing film which has a thickness of 10 μm or less. The method comprises the steps of: forming a continuous web of optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 μm or less, wherein the polarizing film is formed by performing an stretching sub-step of subjecting a laminate comprising a continuous web of thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate, to a uniaxial stretching in a lengthwise direction of the laminate based on 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching, to attain a stretching ratio of 5 to 8.5 to thereby reduce a thickness of the polyvinyl alcohol type resin layer to 10 μm or less, and an absorption sub-step of causing a dichroic material to be absorbed in the polyvinyl alcohol type resin layer; cutting the continuous web of optical film laminate along a direction parallel to the length direction to form at least one continuous web of laminate strip having a given width; and winding the continuous web of laminate strip having the given width into a roll. | 04-14-2016 |