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Do-Young Kim
Do-Young Kim, Chungcheongbuk-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110101513 | CHIP ON FILM TYPE SEMICONDUCTOR PACKAGE - A chip on film type semiconductor package includes a film, a plurality of leads formed over the film, a chip formed over the plurality of leads, an under-fill layer filled an space between the chip and the plurality of leads and an insulating heating sheet formed on an opposite side of the film contacting to the plurality of leads, wherein the insulating heating sheet is formed of a compound based on a glass fiber. | 05-05-2011 |
Do-Young Kim, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100057449 | APPARATUS AND METHOD OF ENHANCING QUALITY OF SPEECH CODEC - An apparatus and method of improving the quality of a speech codec are provided. In the method, a first energy of a signal decoded by a core codec is calculated, and a second energy of a signal decoded by a low-band enhancement mode is calculated. Then, when the first energy is less than a first threshold value or less than a product of the second energy and a second threshold value, a size of the decoded signal is scaled. Accordingly, generation of a quantization error with respect to a silence segment is reduced. | 03-04-2010 |
| 20100262728 | DIRECT MEMORY ACCESS CONTROLLER FOR IMPROVING DATA TRANSMISSION EFFICIENCY IN MMoIP AND METHOD THEREFOR - A direct memory access controller (DMAC) for improving data transmission efficiency in multi-media over internet protocol (MMoIP) and a method therefor are provided. The DMAC requests and obtains a bus control right by determining that a DMA request signal is generated not only when a DMA request signal of a module for processing data in MMoIP is received but also when an operation of a timer operating during a predetermined period set considering periodicity of data in MMoIP is completed. Thus, the time taken to request a bus control right in a conventional DMAC can be reduced, thereby improving data transmission efficiency in MMoIP. | 10-14-2010 |
| 20100272097 | INTERNET PHONE TERMINAL USING WIDEBAND VOICE CODEC AND COMMUNICATION METHOD FOR INTERNET PHONE - Provided are an Internet phone terminal that applies a wideband voice codec, and an Internet phone communication method. A wideband voice signal received from the Internet through a wired line or wirelessly is decoded using the wideband voice codec, and a wideband voice signal received through a microphone supporting a wideband is encoded using the wideband voice codec, so that the Internet phone terminal can provide high quality voice communication. | 10-28-2010 |
| 20110106532 | APPARATUS AND METHOD FOR ENCODING AND DECODING ENHANCEMENT LAYER - Provided is a method and apparatus for encoding and decoding an enhancement layer to reduce quantization error in a G.711 codec. Exponent indices of additional mantissa information of each sample are calculated based upon exponent information of each sample in a frame. A process of allocating 1 bit to each sample with a current exponent index is repeated, the exponent index starting from the maximum value while decreasing by 1 at every repetition until the total number of bits allocated to the samples is equal to the total number of available bits in the frame. And the most significant bits, as many as the number of bits allocated to each sample, are extracted from the additional mantissa information of each sample in the frame. | 05-05-2011 |
| 20110122786 | AUDIO CODEC BIT-RATE CONTROL METHOD FOR ASSURING QoS OF VOICE IN WLAN - A method and apparatus for controlling voice quality in WLAN is provided. The codec bit rate of wireless terminals is adjusted by collecting channel state information for determining a channel occupation time of wireless terminals connected to an access point, adjusting the codec bit rate of the wireless terminals based on channel occupancy of the wireless terminals with respect to total channel capacity, which is determined using the channel state information, and transmitting the adjusted codec bit rate to each of the wireless terminals. | 05-26-2011 |
Do-Young Kim, Daejon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090210219 | APPARATUS AND METHOD FOR CODING AND DECODING RESIDUAL SIGNAL - Provided is a residual signal coding/decoding apparatus and method. The residual signal coding apparatus includes a transformer, a band splitter, a pulse searcher, and a pulse quantizer. The transformer transforms time-domain residual signals into a frequency domain to output transform coefficients. The band splitter splits the transform coefficients into bands to output the transform coefficients. The pulse searcher searches the transform coefficients for the respective bands to select optimal pulses and output parameters of the optimal pulses. The pulse quantizer quantizes the parameters of the optimal pulses. | 08-20-2009 |
| 20100153119 | APPARATUS AND METHOD FOR CODING AUDIO DATA BASED ON INPUT SIGNAL DISTRIBUTION CHARACTERISTICS OF EACH CHANNEL - Provided is an audio coding apparatus and method that can selectively apply a operation mode of a coding module for stereo or multi-channel representation according to input signal characteristics of each channel, when voice or music signals are transmitted using an audio codec in portable terminals capable of stereo or multi-channel input and output. The audio coding apparatus includes a down-mixer for down-mixing multi-channel audio signals into mono signals; a coder for coding the mono signals; an input channel correlation analyzer for deciding whether to give them stereo effect based on their signal distribution characteristics, and outputting a control signal indicating whether to perform stereo representation process; and a stereo representation unit for performing stereo representation process onto the multi-channel audio signals when the control signal indicating to perform stereo representation process. | 06-17-2010 |
| 20100211386 | METHOD FOR MANUFACTURING A SEMICONDUCTOR PACKAGE - The present research can decrease the amount of computation and enhance speech quality by using a global pulse replacement method in a fixed codebook search. The fixed codebook search method in a speech encoder based upon global pulse replacement, includes the steps of: (a) computing absolute values of the pulse-position likelihood-estimator vectors; (b) temporarily obtaining a codebook vector; (c) computing a mathematical equation by replacing a pulse; (d) determining whether a value computed based upon the mathematical equation is increased after pulse replacement; (e) obtaining a new codebook vector by replacing the pulse; and (f) maintaining a previous codebook vector. | 08-19-2010 |
Do-Young Kim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090019482 | IMAGE DISPLAY APPARATUS AND INFORMATION PROVIDING METHOD THEREOF - An image display apparatus and an information providing method using the image display apparatus are provided. The image display apparatus such as a digital TV classifies RSS information, which is provided from a web server, according to the time slot and displays the RSS information in predetermined categories at corresponding time slots on a screen in order to provide a user with the RSS information. Therefore, the user can check desired information easily and rapidly. | 01-15-2009 |
| 20090081498 | Catalyst reactor and fuel cell system comprising the same - Disclosed is a catalyst reactor capable of effectively applying to a fuel cell system using a metal hydride solution as a fuel. The catalyst reactor includes a catalyst matrix including a micro-channel through which a hydrogen storage solution flows. The catalyst matrix has an open surface. The catalyst reactor also includes a gas/liquid separator covering the open surface of the catalyst matrix, and a catalyst formed on an inner surface of the micro-channel to extract hydrogen from the hydrogen storage solution. | 03-26-2009 |
| 20090110976 | FUEL TANK AND FUEL CELL SYSTEM INCLUDING THE SAME - A fuel cell system for generating electrical energy by a chemical reaction between a fuel and an oxidizing agent. In exemplary embodiments of the present invention, by using a hydrophobic porous membrane, an alkaline material such as sodium that is generated together with hydrogen gas in a hydrolysis reaction of a metal hydride compound can be eliminated effectively. Accordingly, the fuel cell system according to the exemplary embodiments of the present invention can stably generate electrical energy for a time longer than a conventional fuel cell system. | 04-30-2009 |
| 20090149007 | ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided are an electronic device and a method of manufacturing the same. The device includes a plastic substrate, a transparent thermal conductive layer stacked on the plastic substrate, a polysilicon layer stacked on the thermal conductive layer; and a functional device disposed on the polysilicon layer. The functional device is any one of a transistor, a light emitting device, and a memory device. The functional device may be a thin film transistor including a gate stack stacked on the polysilicon layer. | 06-11-2009 |
| 20090166561 | LASER PATTERNING APPARATUS - A laser patterning apparatus for handling a donor film and improving compression uniformity between the donor film and an acceptor substrate is provided. The laser patterning apparatus includes: a stage that supports an acceptor substrate; a shielding mask that is placed on the acceptor substrate to form a pattern and is attached to a donor film on one surface thereof; a laser gun that is disposed at an upper part of the stage to radiate laser light to a portion of the donor film through the pattern of the shielding mask; a pressing member that corresponds to a portion of the shielding mask; and an actuator that is connected to one side of the pressing member to press the pressing member. | 07-02-2009 |
| 20090185098 | Dual liquid crystal display (LCD) - A dual Liquid Crystal Display (LCD), having a transmissive first panel and a reflective second panel, includes: a first LCD panel and a second LCD panel arranged on the same substrate, the first LCD panel displaying an image on a first surface thereof and the second LCD panel displaying an image on a second surface thereof; a backlight unit arranged on a bottom of the first LCD panel; and a housing, anchoring the first and second LCD panels and the backlight unit, and having an opening corresponding to an image-displaying surface of the second LCD panel. | 07-23-2009 |
| 20100200834 | Crystalline nanowire substrate, method of manufacturing the same, and method of manufacturing thin film transistor using the same - Example embodiments relate to a crystalline nanowire substrate having a structure in which a crystalline nanowire film having a relatively fine line-width may be formed on a substrate, a method of manufacturing the same, and a method of manufacturing a thin film transistor using the same. The method of manufacturing the crystalline nanowire substrate may include preparing a substrate, forming an insulating film on the substrate, forming a silicon film on the insulating film, patterning the insulating film and the silicon film into a strip shape, reducing the line-width of the insulating film by undercut etching at least one lateral side of the insulating film, and forming a self-aligned silicon nanowire film on an upper surface of the insulating film by melting and crystallizing the silicon film. | 08-12-2010 |
Do-Young Kim, Yongin-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100045953 | Laser irradiation device and method of manufacturing organic light emitting diode display device using the same - A laser irradiation device and a method of manufacturing an organic light emitting diode display device using the same. The laser radiation device prevents the scattering of the laser light into portions of the donor substrate that correspond to non-transmissive regions of a mask pattern. To reduce the scattering, the mask pattern is designed so that 1) non-transmissive regions of a surface of the mask pattern that faces the laser source have a reflective layer, 2) the surface of the mask pattern that faces the laser source is oriented to have a certain angle with respect to the laser beam axis, and 3) a surface of the mask pattern that faces the donor substrate has an anti-reflective layer. Each of these design aspects of the mask pattern prevents laser light from being scattered and prevents irradiating portions of the donor substrate that corresponds to a non-transmissive region of the mask pattern. | 02-25-2010 |
| 20100055343 | Donor substrate for laser induced thermal imaging and method of fabricating organic light emitting diode using the same - Provided are a donor substrate for laser induced thermal imaging (LITI) and a method of fabricating an organic light emitting diode (OLED) using the same, which can prevent a transferred emission layer from being damaged by heat and thus prevent wrinkles from forming on the surface thereof. The donor substrate includes a base layer, a light-to-heat conversion layer disposed on the base layer, a first transfer layer disposed on the light-to-heat conversion layer and including an organic layer, an inorganic layer, or a double layer thereof, and a second transfer layer disposed on the first transfer layer and including an emission layer. The first transfer layer has an absolute value of lowest unoccupied molecular orbital energy level of 2.6 to 3.0 eV and a band gap energy of 2.8 to 3.4 eV. | 03-04-2010 |
Do-Young Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090001376 | Poly crystalline silicon semiconductor device and method of fabricating the same - Provided are a poly crystalline silicon semiconductor device and a method of fabricating the same. Portions of a silicon layer except for gates are removed to reduce a parasitic capacitance caused from the silicon layer existing on gate bus lines. The silicon layer exists under the gates only, thus the parasitic capacitance is reduced and the deterioration and the delay of signals are prevented. Accordingly, the poly crystalline silicon semiconductor device, such as a thin film transistor, has excellent electric characteristics. | 01-01-2009 |
| 20090162981 | THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - A thin film transistor and a method of manufacturing the same are provided. The thin film transistor includes a substrate; a buffer layer formed on the substrate; a source and a drain spaced apart from each other on the buffer layer; a channel layer formed on the buffer layer to connect the source and the drain with each other; and a gate formed on the buffer layer to be spaced apart from the source, the drain and the channel layer. | 06-25-2009 |
| 20090298268 | Method of fabricating poly-crystalline silicon thin film and method of fabricating transistor using the same - A method of fabricating a poly-Si thin film and a method of fabricating a poly-Si TFT using the same are provided. The poly-Si thin film is formed at a low temperature using ICP-CVD. After the ICP-CVD, ELA is performed while increasing energy by predetermined steps. A poly-Si active layer and a Si0 | 12-03-2009 |
Do-Young Kim, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20080212568 | WIRE AND WIRELESS INTERNET PHONE TERMINAL USING WIDEBAND VOICE CODEC - A wire/wireless Internet phone terminal using a wideband voice codec is provided. The wire/wireless Internet phone terminal using a wideband voice codec includes: a multimedia application processor for including a process core to perform a protocol according to a wire and wireless interface communication scheme and supporting wideband voice service; an Ethernet processing unit for connecting the multimedia application processor to the Ethernet to perform an Ethernet physical-layer function of and transforming a power input from the Ethernet to supply a driving power to the multimedia application processor; a PSTN (public switched telephone network) processing unit for connected to the multimedia application processor and a PSTN to emulate a telephone function; and a wireless processing unit for connecting the multimedia application processor to an AP (access point) in a wireless manner. Accordingly, it is possible to provide a wideband service without a limitation to wire/wireless implementation. | 09-04-2008 |
| 20090174410 | METHOD AND APPARATUS FOR CONTROLLING BATTERY - An apparatus for controlling a battery includes a capacitor for charging a voltage when the apparatus is on and discharging a voltage when the apparatus is off, a discharging circuit for discharging the voltage charged in the capacitor; a first switching unit for connecting or disconnecting the capacitor to/from a predetermined power source for the purpose of charging of the capacitor; a second switching unit for connecting or disconnecting the capacitor to/from the discharging unit; a voltage measuring unit for measuring a voltage charged in the capacitor; and a controller for calculating a power-off duration time according to the measured voltage. This apparatus may continuously calculate a power-off duration time of a battery pack. | 07-09-2009 |
Do-Young Kim, Daejeon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090150143 | MDCT domain post-filtering apparatus and method for quality enhancement of speech - A post-filtering apparatus and method for speech enhancement in a modified discrete cosine transform (MDCT) domain are disclosed. In the apparatus and method, previous and current MDCT coefficients are used for obtaining a speech spectrum coefficient similar to a real speech spectrum, and a convex function is used for transforming the speech spectrum coefficient and obtaining a post-filter coefficient so that difference can increase in the case where the speech spectrum coefficient is small but decrease in the case where the coefficient is large. Then, the post-filter coefficient is applied to the MDCT coefficient. With this configuration, both the current and previous MDCT values are used, so that it is possible to obtain a spectrum coefficient similar to the real speech spectrum and to obtain a more accurate filter coefficient. Further, the coefficient is adaptively transformed through the convex function, thereby enhancing speech quality. | 06-11-2009 |
| 20110145520 | AUDIO SIGNAL PROCESSING APPARATUS AND METHOD, AND COMMUNICATION TERMINAL APPARATUS - A signal processing technology achieved in a signal processing module, which is physically separate from a control module for controlling overall operations of a signal processing apparatus, is provided. Input of new data to a system memory is recognized. Upon the recognition of the input of the new data, the new data is read from the system memory. The new data read from the system memory is written to a local memory. Data sharing between software and hardware is effectively achieved in a system for performing a wideband codec processing using a dedicated hardware. | 06-16-2011 |
| 20110145872 | SET-TOP BOX FOR WIDEBAND IP TELEPHONY SERVICE AND METHOD FOR PROVIDING WIDEBAND IP TELEPHONY SERVICE USING SET-TOP BOX - An Internet Set-Top Box (ISTB) and a method of providing wideband IP telephony services using the ISTB are provided, which are capable of implementing wideband voice communication services using a wideband voice codec, controlling a Real-Time Transport Protocol (RTP) packet payload to process a variety of wideband speech frame payloads, and providing high-quality wideband IP telephony services by controlling a jitter buffer to maintain conference call synchronization. | 06-16-2011 |
Do-Young Kim, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080311527 | Method of forming protection layer on photoresist pattern and method of forming fine pattern using the same - A method of forming a protection layer on a photoresist pattern and a method of forming a fine pattern using the same are provided. A photoresist layer may be formed on a substrate. Exposure regions and non-exposure regions may be defined in the photoresist layer by an exposure process. A reactive material layer may be formed on the photoresist layer having the exposure regions. A protection layer may be formed on the exposure regions by the reactive material layer reacting via a chemical attachment process. The non-exposure regions and the reactive material layer that remains after the reaction may be removed by a development process to form photoresist patterns. The substrate may be etched using the protection layer and the photoresist patterns as etching masks. | 12-18-2008 |
Do-Young Kim, Suwon KR
| Patent application number | Description | Published |
|---|---|---|
| 20080233449 | MIXING TANK AND FUEL CELL SYSTEM POSSESSING THE SAME - A fuel cell system possessing a mixing tank for recovering an unreacted fuel, the mixing tank being capable of effectively condensing a stack emission product without increasing its volume. The mixing tank includes a fuel supply port for supplying a concentrated fuel; a fluid inlet port for supplying a fluid discharged from an external fuel cell stack; a chamber for mixing the concentrated fuel with the fluid discharged from the fuel cell stack; a stack supply port for supplying a mixed fuel in the chamber to the fuel cell stack; and a chamber cooling member for cooling the chamber. | 09-25-2008 |