Patent application number | Description | Published |
20130141187 | CROSS-COUPLED BANDPASS FILTER - A cross-coupled bandpass filter includes first, second and third resonators such that a positive mutual inductance is generated between the first and third resonators and mutual inductance generated between the first and second resonators and mutual inductance generated between the second and third resonators have the same polarity, thereby generating a transmission zero in a high frequency rejection band. | 06-06-2013 |
20140124950 | SEMICONDUCTOR SUBSTRATE AND FABRICATION METHOD THEREOF - A semiconductor substrate is disclosed. The semiconductor substrate includes a substrate body having at least an opening formed on a surface thereof, wherein the surface of the substrate body and a wall of the opening are made of an insulating material; and a circuit layer formed on the surface of the substrate body, wherein the circuit layer covers an end of the opening and is electrically insulated from the opening. The opening facilitates to increase the thickness of the insulating structure between the circuit layer and the substrate body of a silicon material to prevent signal degradation when high frequency signals are applied to the circuit layer. | 05-08-2014 |
20140184261 | TESTING APPARATUS AND TESTING METHOD - A testing method is provided, including providing a testing apparatus including a carrier member and a testing element, the carrier member comprising a first surface, a second surface opposing the first surface, and an elastic conductive area defined on the first surface; disposing an object-to-be-tested on the elastic conductive area; electrically connecting the testing element to the object-to-be-tested and the carrier member, to form an electric loop among the carrier member, the object-to-be-tested and the testing element. Through the design of the elastic conductive area, the object-to-be-tested can be secured with a small pressure applied thereto, and is prevented from being cracked. | 07-03-2014 |
20140204806 | DUPLEXER, CIRCUIT STRUCTURE THEREOF AND RF TRANSCEIVER APPARATUS COMPRISING THE DUPLEXER - A duplexer is provided, which includes a first, a second and a third signal ports; a first filter and a second filter. The first filter has first, second, and third resonant circuits that have first, second and third inductors, respectively. The first, second and third inductors are mutually inductive. The first and third resonant circuits are electrically connected to the first and second signal ports, respectively. The second filter has fourth, fifth and sixth resonant circuits that have fourth, fifth and sixth inductors, respectively. The fourth resonant circuit is connected in series with the first resonant circuit. The fifth inductor and the fourth inductor are mutually inductive. The sixth resonant circuit is electrically connected to the third signal port. The second filter further has a main capacitor connected in series with the fifth and sixth resonant circuits respectively and located therebetween. | 07-24-2014 |
20140320374 | MULTI BANDWIDTH BALUN AND CIRCUIT STRUCTURE THEREOF - A multi bandwidth balun is provided, including a main signal port, a main inductor electrically connected to the main signal port, a first inductor inducted mutually with the main inductor to constitute a first inductor of a first conversion circuit, a first capacitor module connected in parallel to the first conversion circuit, two first signal ports electrically connected to the first capacitor module, a first main capacitor electrically connected to the first signal port and the first capacitor module therebetween, a second inductor inducted mutually with the main inductor to constitute a second inductor of a second conversion circuit, a second capacitor module connected in parallel to the second conversion circuit, two second signal ports electrically connected to the second capacitor module, and a second main capacitor electrically connected to the second signal port and the second capacitor module therebetween. | 10-30-2014 |
Patent application number | Description | Published |
20090021165 | PLASMA DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A plasma display panel is provided having a first substrate and a second substrate facing the first substrate with an interval therebetween. An address electrode extends in a first direction on the first substrate. A dielectric layer is on the first substrate covering the address electrode. One or more barrier ribs are on the dielectric layer to define a discharge cell in relation to the address electrode. A phosphor layer is in the discharge cell. A first electrode and a second electrode extend in a second direction on the second substrate corresponding to the discharge cell. The second direction crosses the first direction. The dielectric layer includes a flat surface facing the discharge cell. | 01-22-2009 |
20110143209 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM BATTERY AND LITHIUM BATTERY USING THE SAME - A positive electrode active material for lithium batteries includes secondary particles having primary particles and an amorphous material. A method of manufacturing the positive electrode active material includes mixing a lithium composite oxide and a lithium salt, and heat treating the mixture. A positive electrode includes the positive electrode active material, and a lithium battery includes the positive electrode. | 06-16-2011 |
20110240913 | POSITIVE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM BATTERY INCLUDING POSITIVE ACTIVE MATERIAL - A positive active material includes first and second lithium nickel complex oxides. A positive electrode and lithium battery include the positive active material. The positive active material, and the lithium battery including the positive active material have increased filling density, are thermally stable, and have improved capacity. | 10-06-2011 |
20110305937 | METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME - A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a composite metal precursor and a lithium compound into the crucible; and c) preparing a positive active material for a rechargeable lithium battery by firing the mixture in the crucible, wherein during the process b), the mixture in the crucible is positioned so that a minimum distance from a predetermined position inside the mixture to an exterior of the mixture in the crucible is about 5 cm or less. A rechargeable lithium made by this method is disclosed. | 12-15-2011 |
20110305947 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a positive active material for a lithium rechargeable battery and a lithium rechargeable battery using the same, and the positive active material is represented by the following Chemical Formula 1, and has an effective magnetic moment of about 2.4 μ | 12-15-2011 |
20110305953 | Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same - A positive active material for a rechargeable lithium battery including a lithium metal oxide represented by the following Chemical Formula 1, a method of preparing the same, and a rechargeable lithium battery including the same. | 12-15-2011 |
20110305954 | POSITIVE ACTIVE MATERIAL PRECURSOR FOR SECONDARY LITHIUM BATTERY, POSITIVE ACTIVE MATERIAL USING SAME, AND SECONDARY LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - Disclosed is a positive active material precursor for a secondary lithium battery, which is represented by the following Chemical Formula 1 and has an intensity ratio of I | 12-15-2011 |
20110305955 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes pores having an average diameter of about 10 nm to about 60 nm and a porosity of about 0.5% to about 20%. Also disclosed is a method of preparing the positive active material, and a rechargeable lithium battery including the positive active material. | 12-15-2011 |
20120009476 | NICKEL-BASED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY USING THE NICKEL-BASED POSITIVE ELECTRODE ACTIVE MATERIAL - A nickel (Ni)-based positive electrode active material, a method of preparing the same, and a lithium battery using the Ni-based positive electrode active material. | 01-12-2012 |
20120015248 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material, a method of preparing the same, and a lithium battery including the same. | 01-19-2012 |
20120064410 | POSITIVE ELECTRODE PLATE, METHOD OF MANUFACTURING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE PLATE - A positive electrode plate, a method of manufacturing the same, and a lithium battery including the positive electrode plate are disclosed. The positive electrode plate comprises particles of a nickel-based composite oxide represented by Formula 1, wherein the particles have an average particle diameter D | 03-15-2012 |
20120070743 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material and a method of preparing a positive active material, and a lithium battery including the positive active material. In one embodiment, the positive active material includes single particles each being represented by Formula 1: | 03-22-2012 |
20120135305 | Positive Active Material for Rechargeable Lithium Battery, Method of Preparing the Same, and Rechargeable Lithium Battery Including the Same - A positive active material of a positive electrode of a rechargeable lithium battery, the positive active material includes a core and a composite surrounding a surface of the core and including a phosphate-based compound and a carbon-based compound. The core being a nickel-based oxide having the chemical formula Li | 05-31-2012 |
20120141873 | POSITIVE ACTIVE MATERIAL MANUFACTURING METHOD THEREOF, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE SAME - In one aspect, a positive active material is provided that may have increased thermal stability and resistance to capability deterioration due to repeated charging and discharging, a method of manufacturing the same, and a lithium battery that includes the positive active material. | 06-07-2012 |
20120156565 | POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF MANUFACTURING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM BATTERY EMPLOYING THE POSITIVE ELECTRODE ACTIVE MATERIAL - In one aspect, a positive electrode active material is provided, a method of manufacturing the positive electrode active material, and a lithium battery employing the positive electrode active material. The positive electrode active material may have high thermal stability and low capacity deterioration despite repetitive charging and discharging. | 06-21-2012 |
20120264009 | METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME - A method of preparing a positive active material for a rechargeable lithium battery including a) mixing a composite metal precursor and a lithium compound; b) firing the mixture to prepare a positive active material; c) mixing the resulting positive active material, a carbon coating material, and a solvent; and d) heat-treating the resulting mixture to provide a positive active material coated with the carbon coating material, wherein the carbon coating material is used in an amount of 1 wt % to 30 wt % based on 100 wt % of the composite metal precursor, lithium compound, and carbon coating material, the firing is performed at 400 to 900° C., and the positive active material provided in d) is represented by the following Chemical Formula 1, is provided. | 10-18-2012 |
20130149608 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ACTIVE MATERIAL - A positive active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the positive active material. The positive active material includes a core part and a shell part that include a nickel-based composite oxide, and a content of nickel in the core part is larger than that in the shell part. | 06-13-2013 |
20130302685 | COMPOSITE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM BATTERY EACH USING THE SAME - In one aspect, a composite cathode active material including at least one large-diameter active material, and at least one small-diameter active material, a cathode including the composite cathode active material and a lithium battery including the cathode is provided. | 11-14-2013 |
20150017535 | CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY INCLUDING THE CATHODE ACTIVE MATERIAL - A cathode active material, a preparation method thereof, and a cathode for a lithium secondary battery and a lithium secondary battery including the cathode active material, wherein the cathode active material includes a core active material represented by Formula 1 below; and a coating layer formed on a surface of the core active material, the coating layer including lithium gallium oxide: | 01-15-2015 |
20150017537 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material. | 01-15-2015 |
20150024270 | ELECTRON COLLECTOR STRUCTURE AND LITHIUM BATTERY CONTAINING THE SAME - An electron collector structure and a lithium battery including the same are disclosed. The electron collector structure includes a conductive thin film; and a graphene layer that is coated on the surface of the conductive thin film and may improve the electrical conductivity of an electrode plate. As an electrode of the lithium battery includes the electron collector structure, the electrical conductivity of the electrode may be increased so that the energy consumption properties as well as the lifespan characteristics of the lithium battery may be also improved. | 01-22-2015 |
20150044563 | COMPOSITE PRECURSOR, COMPOSITE PREPARED THEREFROM, A METHOD OF PREPARING A COMPOSITE PRECURSOR AND A COMPOSITE, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same. | 02-12-2015 |
Patent application number | Description | Published |
20130038550 | MULTI-PROTECTION TOUCH LOCK - A multi-protection touch lock has a lock body and an unlocking panel connecting to the lock body. The lock body has a control mechanism, a locking unit connecting to the control mechanism, and at least one displaying unit connecting to the control unit, and at least one connection interface connecting to the displaying unit. The at least one unlocking panel has at least one transmission interface connecting to the at least one connection interface, and at least one operating unit connecting to the at least one transmission interface. The lock can be located at the predetermined position to control the door access, vehicle actuation and the use of electrical appliances. When unlocking, the unlocking panel comes to in contact with the lock and the correct password is input via the unlocking panel. After the unlocking action is completed, the unlocking panel is removed from the predetermined position. | 02-14-2013 |
20140017971 | Optical Toy - An optical toy is disclosed. The optical toy includes a frame, at least one emitting part, at least one receiving part, a plurality of light guiding parts, and at least one power source. The frame includes a container and at least one containing structure. The emitting part is movably located on the containing structure. The emitting part includes at least one light source for emitting light. The receiving part is movably located on the containing structure. The receiving part includes a light sensor for sensing the light. The plurality of light guiding parts is located in the container for changing the direction of the light. The relative positions of the plurality of light guiding parts can be changed. The power source is located in the frame for providing power to the optical toy. | 01-16-2014 |
20140349544 | Illuminable Building block - An illuminable building block is disclosed. The illuminable building block has a cell body, at least one circuit board, at least one illuminating device, at least one photo sensing device, at least one circuit control module, and at least one assembly portion. The cell body has an accommodating space, and the circuit board is located therein. The at least one illuminating device is disposed at the inner surface of the circuit board, and each photo sensing device corresponds to at least one illuminating device. The at least one circuit control module is used for illuminating the illuminating device. | 11-27-2014 |