Lee, Cheongju
Bo-Sun Lee, Cheongju KR
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20120044182 | Touch Panel and Flat Panel Display Device Having the Same - A touch panel may have lower electrodes formed thereon each with a preset inclination, which allows fabrication of a touch panel with high transmittance, and implementation of a high-quality screen upon driving a flat panel display device having the touch panel. The touch panel includes an insulating substrate, a plurality of lower electrodes formed on the substrate, each of the lower electrodes having a preset inclination, an insulating layer formed on the lower electrodes and having a plurality of contact holes for partially exposing the plurality of lower electrodes, a plurality of upper electrodes formed on the insulating layer and electrically connected to the plurality of lower electrodes via the plurality of contact holes, and a passivation layer formed on the upper electrodes. | 02-23-2012 |
Byung Jin Lee, Cheongju KR
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20110276839 | REMOTE COMMUNICATION SYSTEM AND METHOD - Disclosed is a remote communication system and method. A remote communication system includes a digital protection relay and a remote monitoring system. The digital protection relay stores and maintains fault indices for identifying a predetermined number of faults that have occurred, fault time tags corresponding to the fault indices and fault data corresponding to the fault indices. The remote monitoring system sets a fault index, a fault time tag, a fault data block size to be communicated at a time and a fault data block index for specifying a fault data block to be communicated, and requests the digital protection relay of a fault data block. | 11-10-2011 |
Chunghyuk Lee, Cheongju KR
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20090135501 | OPTICAL SHEET, METHOD FOR MANUFACTURING THE SAME, AND LIQUID CRYSTAL DISPLAY USING THE SAME - An optical sheet comprises: a base film; a first primer layer disposed on a surface of the base film; and a projection disposed on the first primer layer, wherein a thickness of the first primer layer ranges from about 5 nm to 300 nm. | 05-28-2009 |
Chung Woo Lee, Cheongju KR
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20120025764 | CHARGING STAND FOR ELECTRIC VEHICLE - Disclosed is a charging stand for an electric vehicle, the charging stand including a main body, a door coupled to the main body in such a way as to be opened or closed, and an alarm device generating an alarm if the door is opened, wherein the alarm device has a door sensing unit causing a change in impedance if the door is opened, a controller receiving a signal transmitted from the door sensing unit, and a switching circuit activated by the controller to generate an alarm or store an alarm history, so that the charging stand is advantageous in that the opening of the door can be precisely detected, and the alarm history can be checked later. | 02-02-2012 |
20120081208 | APPARATUS FOR OPERATING DOOR OF CONNECTOR CONNECTION PART IN EV CHARGING STAND - Disclosed is an apparatus for operating a door of a connector connection part in an EV charging stand, which is configured to control an operation of opening or closing the door of the connector connection part of the EV charging stand to which a connector of an electric vehicle is connected for a charging operation, using ID information of an EV user, and which is advantageous in that the connector connection part of the EV charging stand is prevented from being randomly opened when the electric vehicle is not charged, thus preventing an electric shock accident or damage to the connection part, and an unauthorized user is prevented from using the EV charging stand, thus effectively preventing the electric vehicle from being stolen. | 04-05-2012 |
20120200258 | ELECTRIC VEHICLE, ELECTRIC-VEHICLE CHARGING STAND AND COMMUNICATION SYSTEM THEREBETWEEN - Disclosed are an electric vehicle (EV), an EV charging stand, and a communication system therebetween, the EV including a charge control unit configured to detect a preparation state for charging a battery and output a resistance varying signal according to the detected state, and a resistor unit configured to vary a resistance value in response to the resistance varying signal, thus changing a voltage value of a state signal transmitted to the EV charging stand, and the EV charging stand including a comparator configured to receive a stage signal from the EV, compare a voltage value of the received state signal with a reference value, and output a signal in response to a result of comparing, and a control unit configured to receive the signal from the comparator and detect a preparation state for charging the battery of the EV. | 08-09-2012 |
Do Hoon Lee, Cheongju KR
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20120235688 | APPARATUS FOR DETECTING PARTIAL DISCHARGE SIGNAL AND METHOD THEREOF - An apparatus for detecting a partial discharge (PD) signal capable of detecting a PD signal of a power device includes: a partial discharge (PD) coupler connected to a ground side of a power device and configured to cancel a low frequency noise component including a commercial frequency from an AC component flowing through the ground side of the power device when a partial PD signal is generated from the power device, and to allow a high frequency component including a PD signal included in the AC component to pass therethrough to generate a PD analog signal; and a PD detection unit configured to cancel a noise signal from the PD analog signal generated by the PD coupler to detect only the PD signal. | 09-20-2012 |
Hong Yeol Lee, Cheongju KR
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20100232630 | ACOUSTIC MULTI-POLE ARRAY AND METHODS OF PACKAGING AND CONTROLLING THE SAME - Provided are an acoustic multi-pole array and methods of packaging and controlling the same. The methods include packaging first and second sound devices constituting an acoustic multi-pole array to have different sound characteristics or the same sound characteristic, arranging the first and second sound devices in tandem, and then respectively inputting sound sources having the same magnitude and different phases to the first and second sound devices to improve forward directivity and reduce a backward radiation characteristic. | 09-16-2010 |
20110135123 | PIEZOELECTRIC SPEAKER AND METHOD OF MANUFACTURING THE SAME - In a piezoelectric speaker, an acoustic diaphragm is thicker than a piezoelectric thin film and is formed of a more flexible and higher elasticity material than the piezoelectric thin film, thereby greatly improving output sound pressure in a low frequency band and reducing sound distortion. Further, the piezoelectric thin film is attached to the acoustic diaphragm in an inclined structure in which the piezoelectric thin film is horizontally turned from the acoustic diaphragm, thereby preventing a standing wave from being created by structural symmetry and minimizing sound distortion. | 06-09-2011 |
20110141283 | SECURITY SYSTEM AND METHOD USING MEASUREMENT OF ACOUSTIC FIELD VARIATION - A security system and a method of determining whether there is an intrusion are provided. A correlation between sound signals obtained from a sound source generating device and a sound-field variation measuring device is used to measure a acoustic field in a certain space. A difference between an initially set acoustic field and a changed acoustic field is used to determine whether there is an intruding object in a certain space. The security system includes a sound source generating device for generating a sound source; and a sound-field variation measuring device for measuring a acoustic field formed by the sound source, wherein an initially set acoustic field is compared with the measured acoustic field to determine whether there is an intrusion. | 06-16-2011 |
20110142266 | FOLDING-TYPE DIRECTIONAL SPEAKER ARRAY MODULE - In a folding-type directional speaker array module, when sound is output, the directionality of a high frequency band can be obtained through a center speaker module and the directionality of a low frequency band can be obtained through side speaker modules unfolded from both sides of the center speaker module. Accordingly, the speaker array module has excellent directionality in an entire frequency band. Furthermore, the folding-type directional speaker array module has high mobility and portability because the side speaker modules are folded and stored when the folding-type directional speaker array module is not used. | 06-16-2011 |
20130061438 | PIEZOELECTRIC SPEAKER AND METHOD OF MANUFACTURING THE SAME - In a piezoelectric speaker, an acoustic diaphragm is thicker than a piezoelectric thin film and is formed of a more flexible and higher elasticity material than the piezoelectric thin film, thereby greatly improving output sound pressure in a low frequency band and reducing sound distortion. Further, the piezoelectric thin film is attached to the acoustic diaphragm in an inclined structure in which the piezoelectric thin film is horizontally turned from the acoustic diaphragm, thereby preventing a standing wave from being created by structural symmetry and minimizing sound distortion. | 03-14-2013 |
Hyun Wook Lee, Cheongju KR
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20120056637 | APPARATUS AND METHOD FOR QUICKLY DETERMINING FAULT IN ELECTRIC POWER SYSTEM - An apparatus for quickly determining a fault in an electric power system includes a current transformer, a current determination unit and a fault determination unit. The current transformer detects current supplied to the electric power system and outputs a current detection voltage. The current determination unit respectively compares the current detection voltage, the first-order differential voltage of the current detection voltage and the second-order differential voltage of the current detection voltage with predetermined first, second and third reference voltages. The fault determination unit determines whether a fault occurs based on the compared result of the current determination unit and generates a trip signal when it is determined that the fault has occurred. | 03-08-2012 |
Jin Seok Lee, Cheongju KR
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20110095421 | Flip chip package and method of manufacturing the same - There is provided a flip chip package including an electronic device, a board including a conductive pad disposed inside a mounting region of the board on which the electronic device is mounted, and a connection pad disposed outside the mounting region, a resin layer formed on the board and including a trench formed by removing a part of the resin layer, and a dam member provided on the trench and preventing the leakage of an underfill between the mounting region and the connection pad. Since the dam member, formed on the processed resin layer, can prevent the leakage of the underfill, a package defect rate can be lowered, and connection reliability can be improved. | 04-28-2011 |
20140030855 | METHOD OF MANUFACTURING FLIP CHIP PACKAGE - A method of manufacturing a flip chip package includes: providing a board including a conductive pad disposed inside a mounting region of the board on which the electronic device is to be mounted, and a connection pad disposed outside the mounting region; forming a resin layer on the board; forming a trench by removing a part of the resin layer or forming an uneven portion at a portion of a surface of the resin layer; forming, on the trench or uneven portion, a dam member preventing leakage of an underfill between the mounting region and the connection pad; and mounting the electronic device on the mounting region. | 01-30-2014 |
Jung No Lee, Cheongju KR
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20150104426 | SKIN-CARE AGENT CONTAINING PLEUROTUS FERULAE FRUIT BODY EXTRACT OR PLEUROTUS FERULAE MYCELIUM EXTRACT - Disclosed is a composition for skin external application containing a | 04-16-2015 |
20150104529 | COSMETIC COMPOSITION CONTAINING FERMENTED GINSENG BERRY PLEUROTUS FERULAE PRODUCT - Disclosed are a fermented ginseng berry | 04-16-2015 |
Sanghoon Lee, Cheongju KR
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20110100912 | IMMERSION TYPE MEMBRANE SEPARATOR DEVICE - An immersion type membrane separation device is disclosed. The immersion type membrane separation device includes a membrane module case including a plurality of membrane modules, a diffuser case positioned under the membrane module case, the diffuser case including a diffuser, and a supply unit for supplying air to the diffuser, the supply unit including a pipe connected to the diffuser. Air is supplied to the diffuser through the pipe, and a wastewater existing in the pipe is discharged through the diffuser. | 05-05-2011 |
Seungho Lee, Cheongju KR
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20090135335 | OPTICAL FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - An optical film and a liquid crystal display including the optical film are disclosed. The optical film includes a reflective polarizing film, a first primer layer on the reflective polarizing film, and a first projection on the first primer layer. | 05-28-2009 |
20090135490 | OPTICAL SHEET - An optical sheet is disclosed. The optical sheet includes a base film, a prism unit on the base film, an adhesive layer on the prism unit, and a first protective film on the adhesive layer. The prism unit is buried into the adhesive layer. | 05-28-2009 |
20090135501 | OPTICAL SHEET, METHOD FOR MANUFACTURING THE SAME, AND LIQUID CRYSTAL DISPLAY USING THE SAME - An optical sheet comprises: a base film; a first primer layer disposed on a surface of the base film; and a projection disposed on the first primer layer, wherein a thickness of the first primer layer ranges from about 5 nm to 300 nm. | 05-28-2009 |
20100208344 | OPTICAL SHEET PACKAGE - An optical sheet package is disclosed. The optical sheet package includes an optical sheet including an unstructured surface, and a first protective film at a location corresponding to the unstructured surface. The unstructured surface is attached to the first protective film, and a force between the unstructured surface and the first protective film is an electrostatic attraction. | 08-19-2010 |
20100265434 | OPTICAL FILM, BACKLIGHT UNIT INCLUDING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - An optical film, a backlight unit having the same, and a liquid crystal display device having the same are disclosed. The optical film comprises a base film and a plurality of structures disposed on the base film, at least one of the structures comprising a plurality of beads with a diffusion portion having a first diameter and a transmission portion having a second diameter integrally formed with each other. | 10-21-2010 |
Seung-Ik Lee, Cheongju KR
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20150319110 | APPARATUS AND METHOD FOR PROVIDING MESSAGE BASED ON OBJECT - An apparatus and method for providing a message based on an object are disclosed. The apparatus includes an object management unit, a message management unit, a notification processing unit, and a reading processing unit. The object management unit performs the registration, authentication and deletion of an object based on object identification information and object authentication information transmitted from a message generation terminal. The message management unit connects a first message and message control information, transmitted from the message generation terminal, to the corresponding object. The notification processing unit provides notification of the arrival of the first message to a message reception terminal based on a message notification condition included in the message control information. The reading processing unit processes the reading of the first message of the message reception terminal based on object authentication information and a message reading condition included in the message control information. | 11-05-2015 |
Ung Sang Lee, Cheongju KR
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20140134328 | APPARATUS AND METHOD FOR MANUFACTURING A TOUCH SCREEN PANEL - The apparatus for manufacturing the touch screen panel according to the present invention includes: a first roll by which a wound film is unwound; a second roll around which a film having an electrode pattern is wound; a guide roll disposed between the first and second rolls to guide the transfer of the film; a resin applying part applying a resin on the film to form a resin layer; a pattern molding part including a mold having a relief pattern and pressing the mold onto the resin layer to form an intaglio pattern on the resin layer; an electrode material applying part applying an electrode material on a surface of the resin; an electrode material sweeping part removing the electrode material from the surface of the resin layer; and a hardening part hardening the electrode material filled in the intaglio pattern of the resin surface. | 05-15-2014 |
Woo Young Lee, Cheongju KR
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20160141095 | INDUCTOR FOR HIGH SIDE DC/DC CONVERTOR - An inductor for a high side DC/DC convertor is provided for an environmentally friendly vehicle, which improves the property of DC bias. The inductor includes a core having a central core around which a wire is wound, a front core and a rear core that are attached integrally to a front and a rear of the central core, respectively, and a left core and a right core that are spaced from both sides of the central core and are attached integrally to the front core and the rear core. Additionally, a wire is wound around the central core in a length direction thereof. | 05-19-2016 |
Yang Je Lee, Cheongju KR
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20130213695 | METHOD OF MANUFACTURING FLYING TAIL TYPE RIGID-FLEXIBLE PRINTED CIRCUIT BOARD AND FLYING TAIL TYPE RIGID-FLEXIBLE PRINTED CIRCUIT BOARD MANUFACTURED BY THE SAME - The present invention relates to a method of manufacturing a flying tail type rigid-flexible printed circuit board and a flying tail type rigid-flexible printed circuit board manufactured by the same and implement a flying tail type rigid-flexible printed circuit board with improved filling property by providing a method of manufacturing a flying tail type rigid-flexible printed circuit board including: providing a base substrate having a first inner circuit pattern layer on both surfaces; laminating a first insulating layer on a rigid domain R of the base substrate; laminating at least one circuit layer, which extends over the entire domain of the base substrate, on the first insulating layer; and removing a portion of the circuit layer, which corresponds to a flexible domain F, wherein the circuit layer includes a second insulating layer and a flying tail type rigid-flexible printed circuit board manufactured by the same. | 08-22-2013 |
20130220535 | METHOD OF MANUFACTURING RIGID-FLEXIBLE PRINTED CIRCUIT BOARD - The present invention relates to a method of manufacturing a rigid-flexible printed circuit board including: providing a first flexible film having a first metal layer on one or both surfaces; forming a circuit pattern by patterning the first metal layer; forming a second flexible film, which has a second metal layer on one surface, on one or both surfaces of the first flexible film; forming a circuit pattern by patterning the second metal layer in a rigid domain R; providing an anti-oxidation protective layer on the second metal layer in a flexible domain F; laminating at least one circuit layer on the second flexible film; and removing the circuit layer in the flexible domain F. | 08-29-2013 |
20150027627 | METHOD OF MANUFACTURING RIGID-FLEXIBLE PRINTED CIRCUIT BOARD - A method of manufacturing a rigid-flexible printed circuit board, which including: providing a first flexible film having a first metal layer on one or both surfaces; forming a circuit pattern by patterning the first metal layer; forming a second flexible film, which has a second metal layer on one surface, on one or both surfaces of the first flexible film; forming a circuit pattern by patterning the second metal layer in a rigid domain R; providing an anti-oxidation protective layer on the second metal layer in a flexible domain F; laminating at least one circuit layer on the second flexible film; and removing the circuit layer in the flexible domain F. | 01-29-2015 |
Yang Koo Lee, Cheongju KR
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20130281116 | METHOD AND APPARATUS FOR COMPENSATING ESTIMATED LOCATION OF WIRELESS NETWORK ELEMENTS ESTIMATED FROM INFORMATION COLLECTED BY HETEROGENEOUS TERMINALS - A method and apparatus for compensating an estimated location of a wireless network element from information collected by heterogeneous terminals rae provided. The method may include receiving information on a received signal strength indication (RSSI) of a wireless network element and location information of a heterogeneous terminal from the heterogeneous terminal by a wireless network element positioning server, compensating the information on the RSSI received from the heterogeneous terminal into information on an RSSI received from a predetermined reference terminal, using a difference value model of the RSSI of the wireless network element between heterogeneous terminals, the difference model generated in advance, and estimating a location of the wireless network element using the compensated information on the RSSI from the reference terminal and the received location information. | 10-24-2013 |