Patent application number | Description | Published |
20080266498 | Liquid crystal display device and method for manufacturing the same - Provided are an LCD device and a method for manufacturing the same. The LCD device includes a first substrate, a second substrate, a spacer interposed between the first substrate and the second substrate, and a barrier. The barrier is disposed at least one of the first substrate and the second substrate to control the movement of the spacer. In the method, the first substrate is formed. The second substrate is formed. The barrier is formed on at least one of the first substrate and the second substrate. The spacer is disposed within the barrier. Since the LCD device controls the movement of the spacer, a high aperture ratio is realized. | 10-30-2008 |
20090263921 | Thin film transistor substrate with color filter and method for fabricting the same - A color filter-on-thin film transistor substrate includes gate data lines crossing each other and defining pixel areas, thin film transistors is located at crossings of gate and data lines, pixel electrodes connected to the thin film transistors and formed within the pixel areas, and stripe-shaped color filters overlapping a plurality of pixel areas and oriented parallel to one of the gate and data lines. | 10-22-2009 |
20100068965 | LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATION METHOD THEREOF - A liquid crystal display (LCD) device and its fabrication method are disclosed. Specifically, a fabrication method in which polyhedral spacers are implemented on a substrate through an ink jet method are used for an LCD device. The spacers have the polyhedral shape to increase their contact area with two substrates, and include a surface processed layer for strengthening a bonding force in its bonding with an alignment film formed on the two substrates. The spacers have a polyhedral shape for maintaining the cell gap between the substrates. | 03-18-2010 |
20100119723 | APPARATUS AND METHOD FOR COATING POLYIMIDE LAYER - An apparatus for coating a polyimide layer includes a print table for receiving a substrate thereon, an inkjet head positioned over the print table and having a jetting surface with a plurality of nozzles for jetting polyimide liquid onto the substrate, and a polyimide liquid supply tank for supplying polyimide liquid, and a wiper movable from one side of the jetting surface to an other side of the jetting surface while the wiper contacts the jetting surface of the inkjet head. | 05-13-2010 |
20110181819 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display comprises a matrix pattern formed in a double layer comprising a lower pattern having a hydrophilic property on a substrate, and a black matrix having a hydrophobic property on the lower pattern; and color filters formed in the pixel area. | 07-28-2011 |
20130130421 | Method of Manufacturing Oxide Thin Film Transistor and Display Device - A method of manufacturing oxide thin film transistor and display device are provided. In the method of manufacturing an oxide thin film transistor, the method includes: forming an active layer of an oxide semiconductor on a substrate, and performing surface treatment with plasma for the active layer to permeate oxygen into the active layer. | 05-23-2013 |
20140147967 | METHOD OF MANUFACTURING OXIDE THIN FILM TRANSISTOR - A method of manufacturing an oxide thin film transistor includes forming a gate electrode on a substrate; forming a gate insulating film the gate electrode; forming an oxide semiconductor layer on the gate insulating film; sequentially forming a lower data metal layer and an upper data metal layer on including the oxide semiconductor layer; forming an upper source pattern and an upper drain pattern by patterning the upper data metal layer by a wet etching; forming a lower source pattern and a lower drain pattern by patterning the lower data metal layer by a dry etching using the upper source pattern and the upper drain pattern as a mask to form a source electrode and a drain electrode; forming a first passivation film on the source and drain electrodes; performing a heat treatment on the oxide semiconductor layer; and forming a second passivation film on the first passivation film. | 05-29-2014 |
Patent application number | Description | Published |
20090079916 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display (LCD) device and a method for manufacturing the same are discussed. According to an embodiment, the liquid crystal display device includes a first substrate and a second substrate facing each other, wherein each of the first and second substrates includes pixel regions to form a matrix, a black matrix layer arranged in a region other than the pixel regions gate lines and data lines arranged in a portion corresponding to the black matrix layer spacers arranged in predetermined portions provided on the black matrix layer wherein each spacer includes one or more balls, and a solid to adhere the balls to the first or second substrate, and a liquid crystal layer filled between the first substrate and the second substrate. | 03-26-2009 |
20090146679 | Method for testing liquid crystal display - An LCD test method and apparatus for reducing the number of channels of a probe unit is provided. An apparatus for testing a liquid crystal display including: a stage on which a liquid crystal panel is placed; a plurality of vertically divided blocks, wherein each of the vertically divided blocks include a plurality of adjacent data lines; a data probe unit that provides test pattern signals respectively to groups of at least two of the plurality of vertically divided blocks of the liquid crystal panel; a plurality of horizontally divided blocks, wherein each of the horizontally divided blocks include a plurality of adjacent gate lines; a gate probe unit that provides scanning signals respectively to the plurality of horizontally divided blocks of the liquid crystal panel; and a controller that provides test pattern signals to the data probe unit and provides scanning signals to the gate probe unit. | 06-11-2009 |
20090290785 | APPARATUS AND METHOD FOR INSPECTING LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) inspection apparatus and method are provided. The inspection apparatus and method are capable of automatically and accurately detecting defects of an LCD panel, and providing information of the automatically-detected defects of the LCD panel to the operator, thereby enabling the operator to easily recognize the defects. | 11-26-2009 |
20120008084 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display (LCD) device and a method for manufacturing the same are discussed. According to an embodiment, the liquid crystal display device includes a first substrate and a second substrate facing each other, wherein each of the first and second substrates includes pixel regions to form a matrix, a black matrix layer arranged in a region other than the pixel regions gate lines and data lines arranged in a portion corresponding to the black matrix layer spacers arranged in predetermined portions provided on the black matrix layer wherein each of the plurality of spacers includes one or more balls, and a solid to adhere the one or more balls to the first or second substrate, and a liquid crystal layer filled between the first substrate and the second substrate. | 01-12-2012 |
20130207110 | THIN FILM TRANSISTOR, THIN FILM TRANSISTOR ARRAY SUBSTRATE AND METHOD OF FABRICATING THE SAME - A method of fabricating a thin film transistor includes sequentially forming a first metal layer on a substrate and a second metal layer of copper on the first metal layer; performing a plasma process to form a copper nitride layer on the second metal layer; patterning the copper nitride layer, the second metal layer and the first metal layer to form a gate electrode; forming a first gate insulating layer of silicon nitride on the substrate including the gate electrode; forming a second gate insulating layer of silicon oxide on the first gate insulating layer; forming a semiconductor layer on the second gate insulating layer formed of an oxide semiconductor material; and forming a source electrode and a drain electrode on the semiconductor layer, the source electrode spaced apart from the drain electrode. | 08-15-2013 |
Patent application number | Description | Published |
20140197783 | APPARATUS AND METHOD FOR TRANSMITTING POWER AND TRANSCEIVING DATA USING MUTUAL RESONANCE, AND APPARATUS AND METHOD FOR RECEIVING POWER AND TRANSCEIVING DATA USING MUTUAL RESONANCE - An apparatus configured to transmit power, and transceive data, using mutual resonance, includes a power transmitter configured to wirelessly transmit power to a device, using a power transmission frequency as a resonant frequency. The apparatus further includes a communication unit configured to transceive data to and from the device, using a communication frequency as a resonant frequency. The apparatus further includes a controller configured to determine a charging state of the device based on the data received from the device, and control an amount of the power based on the charging state. | 07-17-2014 |
20140203895 | RESONATOR HAVING INCREASED ISOLATION - A resonator having increased isolation includes a first resonator having first characteristics, and configured to resonate with another resonator having the first characteristics; and a second resonator having second characteristics, and configured to resonate with another resonator having the second characteristics; wherein the resonator has an arrangement and a structure that minimizes a coupling between the first resonator and the second resonator. | 07-24-2014 |
20140204860 | RECEPTION NODE AND TRANSMISSION NODE USING MUTUAL RESONANCE, POWER AND DATA TRANSCEIVING SYSTEM USING MUTUAL RESONANCE, AND METHOD THEREOF - A reception (RX) node using mutual resonance includes a target resonator configured to receive power via mutual resonance with a source resonator; a controller configured to wake up in response to the received power, determine a point in time at which the controller woke up to be a point in time at which synchronization with other RX nodes is performed, and generate a data packet, and a sensor configured to wake up in response to the received power, sense information. | 07-24-2014 |
20140265615 | METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION - A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus. | 09-18-2014 |
20140285139 | WIRELESS POWER TRANSMISSION AND RECEPTION SYSTEM - A wireless charging station, an electric vehicle charged wirelessly, and a method of charging an electric vehicle are provided. A wireless charging station include a charging unit configured to transmit power wirelessly to an electric vehicle, using a source resonator installed in the charging station; and a driving unit configured to move a target resonator connected to the source resonator from a position at which the target resonator is mounted on the charging unit to an installation space of the electric vehicle, when the electric vehicle is disposed in a charging area of the charging station. | 09-25-2014 |
20140375256 | WIRELESS POWER TRANSMISSION SYSTEM WITH ABILITY TO DETERMINE CHARGING CIRCUMSTANCES - A wireless power receiver includes a power receiver configured to wirelessly receive power, and including a direct current (DC)-to-DC (DC/DC) converter, and a power detector configured to detect power detection information from a front end of the DC/DC converter. | 12-25-2014 |
20150022015 | METHOD AND APPARATUS FOR SYNCHRONIZATION CONTROL IN WIRELESS POWER TRANSMISSION SYSTEM - A method of synchronization control of a power transmitting unit (PTU) includes network-connecting a PTU to a PTU operating in a slave mode by setting an operation mode of the PTU to a master mode, and transmitting a signal to a power receiving unit (PRU) by controlling either one or both of a communication time and a communication frequency of the PTU operating in the slave mode. | 01-22-2015 |
20150022016 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN WIRELESS POWER TRANSMISSION SYSTEM - An interference control method of a power transmitting unit (PTU) includes determining whether the PTU is in an interference environment in which interference by a neighbor PTU occurs, and controlling a communication parameter of either one or both of the neighbor PTU and a power receiving unit (PRU) in response to a result of the determining being that the PTU is in the interference environment. | 01-22-2015 |
20150022018 | METHOD AND APPARATUS FOR AUTHENTICATION IN WIRELESS POWER TRANSMISSION SYSTEM - An authentication of a power transmitting unit (PTU) includes determining whether an access right to an external device is present in a power receiving unit (PRU) based on identification information of the PRU, and network-connecting the PRU to the external device in response to a result of the determining being that the access right is present in the PRU. | 01-22-2015 |
20150022145 | METHOD AND APPARATUS FOR TRANSMITTING COMMUNICATION POWER IN WIRELESS POWER TRANSMISSION SYSTEM - A method of operating a wireless power transmission apparatus includes receiving, from a wireless power reception apparatus, information on an operating power of a micro control unit (MCU) of the wireless power reception apparatus and information on an output of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus; determining whether a charging power is to be transmitted to the wireless power reception apparatus based on the received information on the output of DC/DC converter; and transmitting, to the wireless power reception apparatus, an MCU operating power calculated based on the received information on the operating power of the MCU in response to a determination that the charging power is not to be transmitted to the wireless power reception apparatus. | 01-22-2015 |
20150042169 | WIRELESS POWER TRANSMISSION METHOD AND APPARATUS FOR STABLY TRANSMITTING POWER TO PLURALITY OF WIRELESS POWER RECEPTION APPARATUSES - A wireless power transmission apparatus includes a plurality of transmission (TX) resonators configured to resonate with at least one reception (RX) resonator, and wirelessly transmit power to the at least one RX resonator; and a frequency controller configured to control the input frequency so that power is stably supplied to the at least one RX resonator. | 02-12-2015 |
20150042173 | METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION FOR EFFICENT POWER DISTRIBUTION - A wireless power transmission apparatus includes a communicator configured to receive information associated with a reference power of a wireless power reception apparatus and information associated with a power measured at an input terminal of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus, a controller configured to control an output power based on the information associated with the reference power and the information associated with the power measured, and a source resonator configured to transmit the output power to the wireless power reception apparatus by resonating with a target resonator. | 02-12-2015 |
20150042274 | APPARATUS AND METHOD FOR WIRELESS POWER RECEPTION - An apparatus and a method for wireless power reception include converting a received wireless power to a wireless power for charging using a synchronous rectifier and a direct current/direct current (DC/DC) converter having a structure providing a high efficiency and low heat generation even when a high charging current is supplied. | 02-12-2015 |
20150045227 | WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER RELAY APPARATUS - A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator. | 02-12-2015 |
20150061399 | WIRELESS POWER RECEPTION AND TRANSMISSION APPARATUS - A wireless power receiving device and a wireless power transmission apparatus are provided. The wireless power receiver may include a resonator configured to emit an electromagnetic field, a blocker configured to surround a portion of an exterior of the resonator, and a spacer disposed between the resonator and the blocker. | 03-05-2015 |
20150069854 | METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION WITH HARMONIC NOISE CANCELLATION - A wireless power transmission apparatus includes a source resonator configured to transmit an output power from which a harmonic component has been cancelled to a wireless power reception apparatus by resonating with a target resonator of the wireless power transmission apparatus, and a resonant power generator configured to differentially input a first input signal and a second input signal to the source resonator, and cancel the harmonic component of the output power. | 03-12-2015 |
20150076921 | RESONATING APPARATUS WITH INCREASED ISOLATION FOR STABLE WIRELESS POWER TRANSMISSION - A resonator has an increased isolation for stable wireless power transmission. A material that reduces resonance coupling may be disposed in a space between each of a plurality of resonators and a resonator adjacent to each of the plurality of resonators. A material that reduces resonance coupling may be disposed on a plane opposite to a direction in which a resonator resonates. Power at an operating frequency set to be equal to or within a predetermined range of a frequency corresponding to a resonant mode may be injected into a plurality of transmission resonators. | 03-19-2015 |
20150077051 | METHOD OF POWER TRANSMITTING UNIT (PTU) FOR DETERMINING LOCATION OF POWER RECEIVING UNIT (PRU), AND PTU EMPLOYING THE METHOD - A power transmitting unit (PTU) transmits a power wirelessly based on a location of a power receiving unit (PRU). The PTU determines whether the PRU is located within a charging area of the PTU based on frequency information corresponding to an inflection point detected on a curve of electrical characteristics of a resonator of the PTU. | 03-19-2015 |