Yun Sung
Yun Sung Cho, Bucheon-Si KR
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20130241657 | MULTI-MODE DOHERTY POWER AMPLIFIER - The present invention relates to a Doherty power amplifier in which a new operation mode for accomplishing high efficiency at a lower output power level is added to operation of a conventional Doherty power amplifier, thereby achieving high efficiency at various output power levels of the power amplifier. The multi-mode Doherty power amplifier to which a second power mode is added may be reduced in size so as to be integrated into a chip. | 09-19-2013 |
Yun Sung Hwang, Suwon-Si KR
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20140182568 | OIL FILTER SYSTEM FOR VEHICLE - An oil filter system for a vehicle may provided at a cylinder block of an engine for collecting engine oil from a blow-by gas generated in a crank case. The oil filter system may include a blow-by path to recirculate the blow-by gas so that the blow-by gas generated in the crank case is combusted together with a fuel-air mixture, a filter case that is a space formed between the crank case and the blow-by path, a filter partition disposed to divide the filter case into two spaces, and configured to collect the engine oil contained in the blow-by gas, and an oil pan mounted in the cylinder block for collecting the engine oil that have been collected by the filter partition. The filter partition may collect the engine oil in a forward direction flow and a reverse direction flow of the blow-by gas. | 07-03-2014 |
20140182569 | OIL FILTER SYSTEM FOR VEHICLE - An oil filter system for a vehicle is provided at a cylinder block of an engine and collects engine oil from blow-by gas generated in a crank case. The oil filter system may include a blow-by path configured to recirculate the blow-by gas so that the blow-by gas generated in the crank case is combusted together with a fuel-air mixture, a filter case formed between the crank case and the blow-by path, filters disposed in the filter case to collect the engine oil contained in the blow-by gas, and an oil pan mounted in the cylinder block to collect the engine oil collected at the filters, wherein the filters collect the engine oil in a forward direction flow and a reverse direction flow of the blow-by gas. | 07-03-2014 |
Yun Sung Hwang, Suwon-City KR
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20090151681 | VARIABLE VALVE LIFT APPARATUS - A variable valve lift apparatus according to an exemplary embodiment of the present invention includes an outer body connected with a valve for opening and closing the valve, an inner body that is reciprocally disposed within the outer body and contacts a first input cam configured to an input shaft, a lost motion spring disposed between the outer body and the inner body, a connecting portion selectively connecting the outer body and the inner body, a hydraulic pressure supplying portion supplying hydraulic pressure to the connecting portion, and a lubrication circuit supplying lubricant to a contacting portion of the first input cam and the inner body. | 06-18-2009 |
Yun Sung Kang, Suwon-Si KR
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20150082884 | PIEZOELECTRIC ACTUATOR MODULE, METHOD OF MANUFACTURING THE SAME, AND MEMS SENSOR HAVING THE SAME - An actuator includes a multi-layer part having a multilayered piezoelectric part comprising a plurality of piezoelectric bodies and an electrode part connected to the multilayered piezoelectric part, and a support part displaceably supporting the multi-layer part. The multilayered piezoelectric part is polled in the same direction. One of the piezoelectric bodies expands or contracts in an opposite direction to another piezoelectric body. | 03-26-2015 |
Yun Sung Kang, Gyeonggi-Do KR
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20150143914 | PIEZOELECTRIC ACTUATOR MODULE AND MEMS SENSOR HAVING THE SAME - Embodiments of the invention provide a piezoelectric actuator module, which includes a multilayer part comprising a multilayer piezoelectric material part and an electrode part connected to the multilayer piezoelectric material part, and a support layer coupled with the multilayer part. The piezoelectric actuator module further includes a support part displaceably supporting the support layer. The multilayer piezoelectric material part is poled in the same direction, and the multilayer part is configured to expand or contract when voltages in anti-phase are applied to the electrode part. | 05-28-2015 |
20150188029 | PIEZOELECTRIC ACTUATOR MODULE, METHOD OF MANUFACTURING THE SAME, AND MEMS SENSOR HAVING THE SAME - Embodiments of the invention provide a method of manufacturing a piezoelectric actuator module. The method includes the steps of depositing a second piezoelectric material on one surface of a support layer in a second temperature section, and depositing a first piezoelectric material in a first temperature section to be stacked on the second piezoelectric material. The first temperature section is a higher temperature than the second temperature section and a difference between the first temperature section and the second temperature section ranges from 50° C. to 100° C. | 07-02-2015 |
Yun Sung Kang, Kyungki-Do KR
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20080286141 | Method for Preparing Nano-Sized Metal Powder Feedstock and Method for Producing Sintered Body Using the Feedstock - A method for preparing a nano-sized metal powder feedstock comprises the steps of preparing a nano-sized metal powder, mixing the metal powder with a solution of an organic binder in a solvent, and wet-milling the mixture so that aggregates of the metal powder are uniformly formed. Further disclosed is a method for producing a sintered body using the feedstock. | 11-20-2008 |
Yun Sung Kim, Daejeon KR
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20150188172 | FUEL CELL SYSTEM USING NATURAL GAS - A fuel cell system using natural gas, which includes a fuel cell including a cathode and an anode and a cryogenic heat-exchanging apparatus configured to heat-exchange natural gas supplied from a natural gas station with introduced air or exhaust gas of the fuel cell. With the configuration, oxygen which is introduced into the fuel cell can be produced using cold energy of the natural gas, and energy consumed for the oxygen production can be reduced. Also, a discharge of seawater of low temperature can be minimized, thereby reducing negative effects caused by the discharge. | 07-02-2015 |
Yun Sung Lee, Seoul KR
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20100279740 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal and controlling method thereof are disclosed. The mobile terminal includes a solar cell module and a selective transmitting member for selectively transmitting light, thereby supplying the light to the solar cell module selectively. Accordingly, since a light-transmitting display and a solar cell module are stacked on each other, the present invention enables a user to appreciate information displayed on the light-transmitting display while enabling the solar cell module to charge a battery. Moreover, since the light having passed through a light-transmitting display can be reflected by a selective transmission member provided between the light-transmitting display and a solar cell module, the present invention is able to enhance readability of information displayed on the light-transmitting display. | 11-04-2010 |
20110084893 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal is presented. The mobile terminal includes a main display unit comprising a first display unit, a transparent display unit comprising a second display unit, the transparent display unit being attached to the main display unit such that the transparent display unit may be viewed at an angle in comparison to the main display unit, and a controller controlling a three-dimensional (3D) and a two-dimensional (2D) image to be output by selectively displaying an image on at least the first display unit or the second display unit while the main display unit and the transparent display unit are positioned at an angle. | 04-14-2011 |
20110095975 | MOBILE TERMINAL - A mobile terminal includes a body including a flexible portion, a display unit provided to the body, a sensing unit provided to the body and generating an electric signal in response to bending of the body, and a controller recognizing the electric signal and controlling the display unit according to the electric signal generated by the bending of the body. | 04-28-2011 |
20150119112 | MOBILE TERMINAL - A mobile terminal includes a body including a flexible portion, a display unit provided to the body, a sensing unit provided to the body and generating an electric signal in response to bending of the body, and a controller recognizing the electric signal and controlling the display unit according to the electric signal generated by the bending of the body. | 04-30-2015 |
Yun Sung Lee, Gwangju KR
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20150024281 | METHOD FOR MANUFACTURING SULFIDE-BASED SOLID ELECTROLYTE - Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide, germanium sulfide, aluminum sulfide, phosphorus sulfide, and sulfur, conducting a mixing process of the precursor to prepare a mixture, and crystallizing the mixture to form a compound represented by Li | 01-22-2015 |
Yun Sung Won, Bayan Lepas MA
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20140335660 | BONDING STRUCTURE AND METHOD - A bonding structure and a method for bonding components, wherein the bonding structure includes a nanoparticle preform. In accordance with embodiments, the nanoparticle preform is placed on a substrate and a workpiece is placed on the nanoparticle preform. | 11-13-2014 |
Yun Sung Yang, Jung-Gu KR
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20100079473 | Liquid crystal display device and driving method thereof - A LCD device and a LCD driving method are disclosed. The LCD device and the driving method thereof select one among a plurality of threshold values provided along gray level regions of the pixel data as a threshold value for pixel data in a current frame interval. Accordingly, the number of times over-driving occurs due to a noise when a still image is displayed can be minimized. | 04-01-2010 |
Yun-Sung Hwang, Seoul KR
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20140157294 | CONTENT PROVIDING APPARATUS, CONTENT PROVIDING METHOD, IMAGE DISPLAYING APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM - A content providing apparatus, a content providing method, an image forming displaying apparatus, and a computer-readable recording medium are provided. A content providing apparatus includes a communication interface configured to receive viewer reaction information related to a program from an image displaying apparatus, a highlight information generator configured to measure a level of viewer reaction by analyzing the received viewer reaction information, and generates highlight information by detecting highlights based on the measured level of viewer reaction, wherein the generated highlight information is stored, and the image displaying apparatus is provided with the stored highlight information. | 06-05-2014 |
20150135202 | APPARATUS AND METHOD FOR PROVIDING CONTENT SERVICE, APPARATUS AND METHOD FOR PROVIDING SIBLING SERVICE, AND METHOD FOR DISPLAYING IMAGE - A content service providing apparatus includes: when an image display apparatus wishes to play or replay a content selected by a user, a communication interface configured to receive a request for replaying the content from the image display apparatus; an authority manager configured to identify details of an account for paying for the playing or replaying of the content based on the received request, and, when there is a shortfall in money for paying, to receive a confirmation on whether it is possible to make up for the shortfall from a sibling service providing apparatus, which gives an authority to play or replay the content regardless of the shortfall; and when it is possible to make up for the shortfall, a controller configured to control the communication interface to provide the content to the image display apparatus based on the authority. | 05-14-2015 |
Yun-Sung Kim, Yongin-Si KR
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20090170494 | SYSTEM AND METHOD FOR PROVISIONING SERVICE FLOWS IN BROADBAND WIRELESS ACCESS COMMUNICATION - Disclosed is a system and a method for provisioning service flows in broadband wireless access communication. In a broadband wireless access communication system, if a base station receives a registration request message from a mobile station, and if the base station inserts information about service flows to be provisioned by a base station into a registration response message and transmits the registration response message to the mobile station after the registration request message is received, the mobile station determines if the mobile station transits into a normal operation mode corresponding to the information and exactly recognizes a time point at which the mobile station goes into the normal operation mode. | 07-02-2009 |
Yun-Sung Kim, Seoul KR
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20140182808 | METHOD OF MANUFACTURING POROUS METAL FOAM - A method of manufacturing a porous metal foam having pores of nano size includes: manufacturing a porous polymer foam containing pores of nano size; and coating metal on the porous polymer foam through electroless plating. The present invention provides porous metal foams which contains nano-sized pores and hence, their specific surface area is maximized owing to the regularly-patterned nanoporous structure formed inside. | 07-03-2014 |
Yun-Sung Lee, Seongnam-Si KR
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20090203204 | Methods of manufacturing semiconductor device having recess channel array transistor - Methods of manufacturing a semiconductor device having an RCAT are provided. The method includes forming a first recess having a first depth formed in an active region of a semiconductor substrate, and a second recess having a second depth that is less than the first depth formed in an isolation layer. The depth of the second recess is decreased by removing the isolation layer from the upper surface of the isolation layer by a desired thickness. A gate dielectric layer is formed on an inner wall of the first recess and a gate is formed on the gate dielectric layer. | 08-13-2009 |
20100237394 | Semiconductor memory device - A semiconductor memory device includes unit active regions, word lines extending in a first direction over the unit active region, bit lines extending on the word lines in a second direction substantially perpendicularly to the first direction, first pad contacts in contact with central portions of the unit active regions, the first pad contacts being arranged between the word lines, direct contacts electrically connected between the first pad contacts and the bit lines, second pad contacts in contact with edge portions of the unit active regions, the second pad contacts being arranged between the word lines and between the bit lines, buried contacts electrically connected to the second pad contacts, and capacitors electrically connected to the buried contacts. | 09-23-2010 |
20100240179 | Methods of manufacturing capacitor structures and methods of manufacturing semiconductor devices using the same - A capacitor structure includes a plurality of lower electrodes on a substrate, the lower electrodes having planar top surfaces and being arranged in a first direction to define a lower electrode column, a plurality of lower electrode columns being arranged in a second direction perpendicular to the first direction to define a lower electrode matrix, a plurality of supports on upper sidewalls of at least two adjacent lower electrodes, a dielectric layer on the lower electrodes and the supports, and an upper electrode on the dielectric layer. | 09-23-2010 |
Yun-Sung Shin, Suwon-Si KR
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20120202567 | SLIDE-TYPE PORTABLE TERMINAL - A portable terminal is provided. The portable terminal includes a first housing, a second housing coupled to the first housing to face the first housing, the second housing being linearly movable to expose or cover a part of the first housing, a rear case coupled to a rear face of the second housing, an opening formed through the rear case, and a slide module comprising a guide member mounted on the first housing, and a slide member coupled to and linearly movable with respect to the guide member, the slide member being coupled to the opening to close the rear face of the second housing. With the slide-type portable terminal, since the opening, in which the slide member can be mounted regardless of the external appearance of the terminal, is formed through the rear case in the opening so that the first and second housings can be slidably coupled to one another, the manufacturing cost of the portable terminal can be reduced. | 08-09-2012 |
Yun-Sung Shin, Gyeonggi-Do KR
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20130114840 | ELECTRONIC DEVICE HAVING AUDIO OUTPUT UNIT - An electronic device having an audio output unit with case design that provides a wide resonance space for enhanced sound quality and improved shock resistance is provided. The electronic device includes a housing, a first space longitudinally penetrating a side region of the housing, and a second space connected to the first space and configured to accommodate an audio output unit therein. | 05-09-2013 |
Yun-Sung Woo, Pohang-Si KR
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20100304026 | Method and Apparatus for Manufacturing a Nanowire - A method and an apparatus for manufacturing a nanowire are provided. The method for manufacturing a nanowire includes i) providing a source gas into a chamber, ii) controlling the temperature of a substrate received in the chamber separately from the temperature of the source gas, iii) forming a temperature gradient on the substrate, and iv) forming a nanowire having at least one growth condition selected from a group of growth speed and growth direction controlled according to the temperature gradient on the substrate. | 12-02-2010 |