Hyung Sun
Hyung Sun Hwang, Paju-Si KR
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20120070924 | METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT-EMITTING DEVICE - Disclosed is a method for manufacturing a semiconductor light-emitting device, which carries out a wet-etching process after a dry-etching process so as to form protrusions in a surface of a substrate for growing a nitride semiconductor material thereon. The method comprises coating a substrate with photoresist; forming a mask pattern on the substrate by selectively removing the photoresist; forming protrusions on the substrate by dry-etching the substrate with the mask pattern through the use of etching gas; wet-etching the dry-etched substrate through the use of etching solution; forming a first semiconductor layer on the substrate including the protrusions; forming an active layer on the first semiconductor layer; forming a second semiconductor layer on the active layer; etching predetermined portions of the active layer and second semiconductor layer until the first semiconductor layer is exposed; and forming a first electrode on a predetermined portion of the first semiconductor layer, wherein the active layer and second semiconductor layer are not formed on the predetermined portion of the first semiconductor layer, and forming a second electrode on the second semiconductor layer. | 03-22-2012 |
Hyung Sun Jang, Suwon-Si KR
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20080258299 | Method of manufacturing a semiconductor device having an even coating thickness using electro-less plating, and related device - A method of manufacturing a semiconductor device includes forming a diffusion barrier layer on a substrate, and forming at least two features on the substrate such that the diffusion barrier layer is respectively disposed between each feature and the substrate and contacts the at least two features. A first impurity region of the substrate contains impurities of a first type, a second impurity region of the substrate contains impurities of a second type, different from the first type, a first feature of the at least two features is in the first impurity region, and a second feature of the at least two features is in the second impurity region, such that the second feature is electrically isolated from first feature by the different impurity regions. | 10-23-2008 |
20080284041 | SEMICONDUCTOR PACKAGE WITH THROUGH SILICON VIA AND RELATED METHOD OF FABRICATION - In a semiconductor package, an electrode has a first part extending through a semiconductor substrate and a second part extending from the first part through a compositional layer to reach a conductive pad. | 11-20-2008 |
20090122178 | CAMERA MODULE AND ELECTRONIC APPARATUS HAVING THE SAME - A camera module includes an image sensor chip, a lens structure, a transparent substrate, an adhesive portion, and a light blocking layer. The image sensor chip includes a light receiving area and a circuit area. The lens structure is positioned on the image sensor chip and configured to allow light to enter the image sensor chip. The transparent substrate is positioned between the image sensor chip and the lens structure, the transparent substrate allowing light from the lens structure to enter the light receiving area. The adhesive portion attaches the image sensor chip and the transparent substrate, and covers the circuit area. The light blocking layer is attached to the transparent substrate to block light from entering the circuit area. | 05-14-2009 |
20090256931 | Camera module, method of manufacturing the same, and electronic system having the same - A camera module, a method of manufacturing the same, and an electronic system having the same are provided. The camera module includes an image sensor chip having an active plane and a backside, a ground wiring extending from a sidewall of the image sensor chip to the backside, a lens structure having a light detector with at least one lens stacked on the active plane, and a conductive housing extending to the ground wiring along with an outer wall of the lens structure excluding the light detector. | 10-15-2009 |
20100117181 | SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SAME - Provided are a semiconductor package and a method of manufacturing the same. The semiconductor package includes a semiconductor chip, a transparent substrate, an adhesive pattern, and at least one dew-proofer. The semiconductor includes a pixel area. The transparent substrate is disposed on the semiconductor chip. The adhesive pattern is disposed between the semiconductor chip and the transparent substrate and provides a space on the pixel area. At least one dew-proofer is disposed between the semiconductor chip and the transparent substrate and spaced from the adhesive pattern. | 05-13-2010 |
20100320500 | METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE HAVING AN EVEN COATING THICKNESS USING ELECTRO-LESS PLATING AND RELATED DEVICE - A method of manufacturing a semiconductor device includes forming a diffusion barrier layer on a substrate, and forming at least two features on the substrate such that the diffusion barrier layer is respectively disposed between each feature and the substrate and contacts the at least two features. A first impurity region of the substrate contains impurities of a first type, a second impurity region of the substrate contains impurities of a second type, different from the first type, a first feature of the at least two features is in the first impurity region, and a second feature of the at least two features is in the second impurity region, such that the second feature is electrically isolated from first feature by the different impurity regions. | 12-23-2010 |
Hyung Sun Kim, Gyeonggi-Do KR
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20090186638 | APPARATUS AND METHOD FOR PROVIDING MOBILE INSTANT MESSAGING SERVICE - The present invention relates to apparatus and method for providing a mobile instant messaging service. The apparatus includes a buddy status managing unit for recording and managing a status information of at least one mobile messenger subscriber; a buddy list managing unit cooperating with the buddy status managing unit for managing a buddy list of the mobile messenger subscriber based on a telephone number, and providing the buddy list to the mobile messenger subscriber; and a chatting service unit for providing a chatting service between the mobile messenger subscriber and a buddy selected by the mobile messenger subscriber in the buddy list provided to the mobile messenger subscriber by the buddy list managing unit. | 07-23-2009 |
20100237329 | VINYL-BASED POLYMER WITH SILICON OR/AND TIN AND ORGANIC LIGHT EMISSION DIODE USING - Disclosed herein is a vinyl-based polymer with silicon and/or tin for an organic layer of an OLED. The polymer is soluble in an organic solvent and can emit fluorescent and phosphorescent light from red to blue wavelengths so as to be used for a host material of an organic light emitting layer in the OLED. | 09-23-2010 |
Hyung Sun Lee, Daejeon KR
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20110082960 | METHOD OF SERIAL BUS COMMUNICATION AND BUS INTERFACE DEVICE FOR THE SAME - There are provided a serial bus communication method and a bus interface device showing excellent performance when a medium with low conductivity is used. The serial bus communication method includes: retrieving available transmission rate to a destination node to which data will be transmitted from a transmission rate table whenever transmitting data through a bus; setting data rate for transmitting the data to the destination node by using the retrieved available transmission rate when the available transmission rate to the destination node is retrieved in the transmission rate table; and transmitting the data at the data rate. Accordingly, transmission performance is improved on a network using a medium with low conductivity. | 04-07-2011 |
20120327038 | METHOD AND APPARATUS FOR SENSING TOUCH INPUT USING ILLUMINATION SENSORS - Disclosed are a method and an apparatus for sensing touch input using illumination sensors. The apparatus includes: a touch pad on which at least one illumination sensor is arranged; and a controller collecting sensor values of the at least one illumination sensor to perform touch recognition suitable for a present illumination environment. | 12-27-2012 |
20140028291 | SENSOR FOR MEASURING TILT ANGLE BASED ON ELECTRONIC TEXTILE AND METHOD THEREOF - Disclosed are a sensor for measuring a tilt angle based on electronic textile according to the present invention and a method thereof. A sensor for measuring a tilt angle based on electronic textile according to the present invention includes a plurality of textile electrodes disposed at predetermined uniform intervals on a textile surface; a textile conductive wire of which one end is connected to a center between the plurality of textile electrodes; and a metal bead connected to another end of the textile conductive wire to thereby be connected to the textile surface. | 01-30-2014 |
Hyung Sun Lee, Yongin-Si KR
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20140331781 | FLEXIBLE DEVICE, AND APPARATUS, METHOD AND COMPUTER-READABLE RECORDING MEDIUM FOR DETECTING SHAPE OF FLEXIBLE DEVICE - A flexible device including sensors for shape detection is provided. The flexible device includes a measurement unit including a plurality of bending sensors disposed along at least one edge of the flexible device, and configured to output measurement values sensed by the plurality of bending sensors, and a controller configured to detect a position of at least one curve point on the flexible device by receiving the sensed measurements values from the measurement unit, and to detect at least one bending line of the flexing device according to information about positions of curve points, which are detected on at least two different sides of the flexible device. | 11-13-2014 |
Hyung Sun Yun, Bucheon-Si KR
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20090035912 | Semiconductor Device and Fabrication Method Thereof - In order to diversify a current control method of a semiconductor device, improve performance (including a current drive performance) of the semiconductor device, and reduce a size of the semiconductor device, a second gate may be formed inside a substrate that forms a channel upon applying a bias voltage thereto. In one aspect, the semiconductor device includes: a well region of a first conductivity; source and drain regions of a second conductivity in the well region; a first gate on an oxide layer above the well region, controlling a first channel region of a second conductivity between the source region and the drain region; and a second gate under the first channel region. | 02-05-2009 |
20090072318 | Semiconductor Device and Method of Fabricating the Same - Disclosed are a semiconductor device and a method of fabricating the same. The semiconductor device can include a gate insulating layer on a semiconductor substrate, a gate electrode on the gate insulating layer and source/drain regions in the semiconductor substrate at sides of the gate electrode. The gate electrode includes a first gate electrode and a second gate electrode on and electrically connected to the first gate electrode. | 03-19-2009 |
Hyung-Sun Hwang, Paju KR
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20110303931 | SEMICONDUCTOR LIGHT EMITTING DIODE AND METHOD FOR FABRICATING THE SAME - Disclosed are a semiconductor light emitting diode and a method for fabricating the same. The method comprises forming a crystalline nitride semiconductor layer on a substrate, forming an amorphous layer and a crystalline nitride semiconductor layer on the nitride semiconductor layer, forming an n-type nitride semiconductor layer on the crystalline nitride semiconductor layer, forming an active layer on the n-type nitride semiconductor layer, and forming a p-type nitride semiconductor layer on the active layer. | 12-15-2011 |
Hyung-Sun Kim, Suwon-Si KR
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20080306621 | SEMICONDUCTOR MANUFACTURING APPARATUS CONTROL SYSTEM AND STATISTICAL PROCESS CONTROL METHOD THEREOF - A semiconductor manufacturing apparatus control system and a statistical process control method thereof increase reliability. A semiconductor manufacturing apparatus control system includes a plurality of unit process devices for performing various semiconductor unit processes; a plurality of measuring devices for measuring a pattern characteristic of wafer completed in respective unit processes in the plurality of unit process devices; and a host computer for sensing an abnormal state of the unit process by using a T | 12-11-2008 |
20150021585 | COMPOSITION FOR ORGANIC LIGHT-EMITTING DIODE, ORGANIC LIGHT-EMITTING LAYER INCLUDING SAME, AND ORGANIC LIGHT-EMITTING DIODE - Provided is a composition for an organic light emitting diode comprising a compound for an organic optoelectric device represented by Chemical Formula S-1; and a compound for an organic optoelectric device represented by Chemical Formula X-1, and an organic emission layer and organic light emitting diode. | 01-22-2015 |
20150069368 | COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula (“CF”) 1: | 03-12-2015 |
Hyung-Sun Kim, Kumi-City KR
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20110291083 | ORGANOMETALLIC COMPLEX COMPOUNDS FOR PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device and an organic photoelectric device, the compound being represented by the following Chemical Formula 1: | 12-01-2011 |
Hyung-Sun Lim, Suwon-Si KR
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20130093404 | APPARATUS AND METHOD FOR PROTECTING SUPPLY MODULATOR - An apparatus and a method for recognizing an electric over-stress of a hybrid supply modulator including a linear regulator and an Switching Mode Power Supplier (SMPS), and protecting a network from the electric over-stress are provided. The hybrid supply modulator includes at least one sensing unit and at least one actuator unit. The at least one sensing unit senses at least one of a current and a voltage at one or more points defined in advance within a supply modulator network. The at least one actuator unit performs a protection action corresponding to at least one electric over-stress situation represented by the sensing result. | 04-18-2013 |
20130093511 | APPARATUS AND METHOD FOR IMPROVING EFFICIENCY IN POWER AMPLIFIER - An apparatus and method for enhancing the whole efficiency of power amplification in a supply modulated amplifier are provided. The power amplification apparatus includes a controller, a Doherty power amplifier, and a supply modulated amplifier. The controller selects a power amplifier among the Doherty power amplifier and the supply modulated amplifier. The Doherty power amplifier amplifies a power of a transmission signal when the Doherty power amplifier is selected by the controller. The supply modulated amplifier amplifies the power of the transmission signal using a supply voltage determined considering the amplitude of the transmission signal, when the supply modulated amplifier is selected by the controller. | 04-18-2013 |
20130093513 | APPARATUS AND METHOD FOR EXPANDING OPERATION REGION OF POWER AMPLIFIER - An apparatus and a method for expanding an operation region in an envelope tracking power amplifier are provided. The apparatus for amplifying power of a transmission signal includes an amplitude component determination unit, a supply modulator, and a power amplify module. The amplitude component determination unit determines an amplitude component of a transmission signal. The supply modulator generates a supply voltage to be provided to the power amplify module depending on the amplitude component of the transmission signal determined by the amplitude component determination unit. The power amplify module amplifies power of the transmission signal depending on the supply voltage generated by the supply modulator. | 04-18-2013 |
20130093521 | APPARATUS AND METHOD FOR INTERLEAVING SWITCHING IN POWER AMPLIFIER - An apparatus of a hybrid power modulator using interleaving switching is provided. The apparatus includes a linear switching unit for generating an output signal by comparing an envelope input signal and a feedback signal, an interleaving signal generator for generating an interleaving switching signal arranged not to supply the signal to input stages of P-type Metal-Oxide-Semiconductor (MOS) Field Effect Transistors (FETs) and N-type MOS FETs of power cells at the same time by comparing the output signal and a reference signal, and a switching amplifying unit for determining a level of the switching signal using the interleaving switching signal. Hence, the hybrid power modulator using the interleaving switching method in the envelope signal of the wide bandwidth maintains high efficiency and high linearity. In addition, the buck converter can use the single inductor by preventing the simultaneous on/off of the power cells. | 04-18-2013 |
20130094553 | APPARATUS AND METHOD FOR CALIBRATION OF SUPPLY MODULATION IN TRANSMITTER - A transmit apparatus having a supply modulator is provided. The apparatus includes a detector and the supply modulator. In the method, the detector detects an output signal of the supply modulator. Also, the supply modulator receives the detected output signal of the supply modulator from the detector and calibrates a modulation characteristic of the supply modulator. The transmit apparatus having a supply modulator includes a modulator/demodulator (modem) and the supply modulator. The modem provides a calibration signal for calibrating a modulation characteristic of the supply modulator, to the supply modulator. The supply modulator outputs a modulated signal in accordance with the calibrated modulation characteristic of the supply modulator based on the calibration signal from the modem. | 04-18-2013 |
20130229229 | DEVICE AND METHOD FOR INCREASING OUTPUT EFFICIENCY OF MOBILE COMMUNICATION TERMINAL - An apparatus and a method for raising an output efficiency in a mobile communication terminal are provided. The apparatus includes a supply modulator and a power amplifier. The supply modulator includes a DC-DC converter, a voltage regulator, and a switching regulator. The supply modulator modulates an envelope component of an input signal to generate power. The power amplifier amplifies a phase component of the input signal using the power generated by the supply modulator as a power source of a collector/drain. The DC-DC converter raises battery power of the mobile communication terminal. The voltage regulator determines an output voltage of the supply modulator using the power raised by the DC-DC converter. The switching regulator determines an output current of the supply regulator using the battery power of the mobile communication terminal. | 09-05-2013 |
20140111277 | APPARATUS AND METHOD FOR EXPANDING OPERATION REGION OF POWER AMPLIFIER - An apparatus for amplifying power is provided. The apparatus includes a supply modulator for generating a supply voltage based on an amplitude component of a transmission signal, and a power amplify module for amplifying power of the transmission signal using the supply voltage, wherein the power amplify module includes a first power amplifier and a second power amplifier, and when an output power of the transmission signal is greater than a reference power, the first power amplifier amplifies the power of the transmission signal using the supply voltage, and when the output power of the transmission signal is equal to or less than the reference power, the second power amplifier amplifies the power of the transmission signal using the supply voltage. | 04-24-2014 |
Hyung-Sun Ryu, Gyeonggi-Do KR
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20140145745 | TEST SYSTEM FOR TESTING A CMOS IMAGE SENSOR AND A DRIVING METHOD THEREOF - A test system including a test device configured to transmit an input signal and a control signal to at least one complementary metal-oxide semiconductor (CMOS) image sensor via a probe card, and an interface board configured to map the probe card and the test device. The interface board includes an output receiver configured to receive an image signal from the at least one CMOS image sensor and transform the image signal into image data. | 05-29-2014 |
Hyung-Sun Ryu, Yongin KR
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20140053084 | METHOD AND ELECTRONIC DEVICE FOR EDITING CONTENT - A content editing method and apparatus for efficiently editing of content by allowing one user who edits the content to confirm a region of the content edited by another user. The content editing method includes displaying a content select interface used by the first electronic device to select content stored in a server; displaying a content edit interface used to edit the content if the content is selected through the displayed content select interface; and displaying an object informing a redundant access to the selected content when a second electronic device attempts to edit a part of the selected content that is being edited by the first electronic device through the content edit interface. | 02-20-2014 |