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Kyu-Young

Kyu Young Cho, Daejeon KR

Patent application numberDescriptionPublished
20150333311Micro-Porous Hybrid Film Having Electro-Chemical Stability and Method for Preparing the Same - Provided are a micro-porous hybrid film and a method for preparing the same, and more particularly, a micro-porous hybrid film capable of improving reliability of a battery by simultaneously improving thermal stability at a high temperature and water properties, and a method for preparing the same. In addition, the present invention relates to a micro-porous hybrid film suitable for a separator of a high capacity/high output lithium secondary battery capable of increasing production stability, long term stability, and performance of the battery by improving adhesive force between a micro-porous film and a coating layer and permeability and minimizing a water content by the coating layer.11-19-2015

Kyu Young Choi, Jeju-Do KR

Patent application numberDescriptionPublished
20160117828METHOD FOR ESTIMATING POSITION OF TARGET BY USING IMAGES ACQUIRED FROM CAMERA AND DEVICE AND COMPUTER-READABLE RECORDING MEDIUM USING THE SAME - A method for estimating a position of a target by using an image acquired from a camera is provided. The method includes the steps of: (a) setting multiple virtual estimated reference points by dividing a view-path; (b) comparing altitude values of the respective estimated reference points with those of respective points on terrain; (c) searching neighboring virtual estimated reference points among the multiple virtual estimated reference points to satisfy a requirement under which a difference between an altitude z04-28-2016

Kyu Young Hwang, Hwaseong-Gi KR

Patent application numberDescriptionPublished
20120113097Display apparatus and method - A display apparatus that may generate a high density light field image is provided. The display apparatus may identify an eye position of a user and set a virtual viewing window around the eye of the user. The display apparatus may generate a directional light corresponding to the viewing window and generate a high density light field image.05-10-2012
20140152781DISPLAY APPARATUS AND METHOD - A display apparatus that may generate a high density light field image is provided. The display apparatus may identify an eye position of a user and set a virtual viewing window around the eye of the user. The display apparatus may generate a directional light corresponding to the viewing window and generate a high density light field image.06-05-2014

Kyu Young Kim, Uiwang-Si KR

Patent application numberDescriptionPublished
20150148465Thermoplastic Resin Composition and Molded Article Including the Same - A thermoplastic resin composition includes a thermoplastic resin including a polycarbonate resin; a siloxane compound represented by Formula 1; and surface-modified hydrophobic silica:05-28-2015

Kyu Young Kim, Guri-Si Gyeonggi-Do KR

Patent application numberDescriptionPublished
20150124549SEMICONDUCTOR DEVICES - The semiconductor device includes a pulse width comparator suitable for generating an internal pulse signal having the same pulse width as an output pulse signal whose pulse width is controlled by first and second control signals during a predetermined period and suitable for generating first and second digital signals and a comparison pulse signal from the internal pulse signal according to a delay time which is set by the first and second control signals, an output pulse signal generator suitable for retarding the comparison pulse signal by the delay time determined by first and second control signals to generate the output pulse signal, and a control signal generator suitable for generating the first and second control signals which are sequentially enabled in response to pulses of the output pulse signal.05-07-2015

Kyu Young Kim, Daejeon KR

Patent application numberDescriptionPublished
20130165659PRODUCTION METHOD OF INTERMEDIATE COMPOUND FOR SYNTHESIZING MEDICAMENT - The present invention relates to a novel method for preparing a compound of formula (2) as the intermediate, which can be effectively used for preparation of a compound of formula (1) exhibiting good inhibitory activity against dipeptidyl peptidase IV enzyme.06-27-2013
20130203787HYDRATE OF 1--5,5-DIFLUORO-PIPERIDIN-2-ONE TARTRATE - The present invention relates to 1.5 hydrate of of 1-{(2S)-2-amino-4-[2,4-bis (trifluoromethyl)-5,8-dihydropyrido[3,4-d]pyrimidin-7(6H)-yl]-4-oxobutyl}-5,5-di-fluoropiperidin-2-one tartrate, a process for preparing the same, and a pharmaceutical composition for inhibiting DPP-IV, which comprises said compound as the active component.08-08-2013

Kyu Young Lee, Seoul KR

Patent application numberDescriptionPublished
20130059555CAR AUDIO SYSTEM INCLUDING AN INTEGRATED MODULE COMPRISING A TUNER UNIT AND AN ACTIVE ANTENNA - A car audio system having a tuner unit and an active antenna integrated into a single module, the car audio system being connected to an antenna for a vehicle and receiving broadcast signals, is provided. The car audio system includes an antenna-tuner integration module, in which the active antenna for receiving and amplifying the broadcast signals and the tuner unit for selecting a broadcast signal corresponding to a specific frequency among the received broadcast signals are formed as a single module; and a car audio device connected to the antenna-tuner integration module using a data cable of a certain length corresponding to a spaced distance for preventing effects of electrical noise generated by the vehicle.03-07-2013
20150263814MULTIMEDIA SYSTEM FOR TRANSPORTATION DEVICE USING SINGLE COMMUNICATION LINE - A multimedia system for a transportation device using a single communication line includes: an antenna transmitting and receiving a signal; an integrated tuner device processing the signal delivered from the antenna; a head unit realizing a multimedia service through the signal transmitted from the integrated tuner device, wherein the integrated tuner device is formed independently from the head unit, and the integrated tuner device is installed in the proximity of the antenna.09-17-2015
20150270603IN-VEHICLE MULTIMEDIA DEVICE HAVING ANTENNA MODULE AND TUNER PART MODULE INTEGRATED THEREIN - An in-vehicle multimedia device includes: an antenna module which has an antenna body arranged on the outer side surface of the roof of a vehicle, a first circuit substrate coupled to the antenna body, a connector part provided with through-holes therein formed to project downward from the lower surface of the antenna body, and first connection pins accommodated in the respective through-holes of the connector part and electrically connected with the first circuit substrate, a tuner part module which has a tuner part body arranged on the inner side surface of the roof of the vehicle, a second circuit substrate coupled to the tuner part body, and second connection pins provided in a coupling groove such that the connector part is inserted and coupled; and a coupling member that couples the antenna module and the tuner part module to each other.09-24-2015

Kyu-Young Choi, Seoul KR

Patent application numberDescriptionPublished
20130132724SYSTEM AND METHOD FOR AUTHENTICATING A RESOURCE-CONSTRAINED CLIENT - A system and method for authenticating a resource-constrained client are provided. The method includes transmitting, by the server, a query message including a first modified secret key to the client, wherein the first modified secret key is generated using a first secret key and a first blinding value; receiving, from the client, a response message including a response value, wherein the response value is generated using the first blinding value, a second secret key, and an error value; calculating the error value from the response value; and determining, based on the error value, whether authentication of the client is successful.05-23-2013
20130205379AUTHENTICATION METHOD BETWEEN CLIENT AND SERVER, MACHINE-READABLE STORAGE MEDIUM, CLIENT AND SERVER - An authentication method between a server and a client is provided. The authentication method includes transmitting, to the client, an inquiry message including a first modified secret key generated based on a first secret key and a first blinding value, receiving, from the client, a response message including a response value generated based on the first blinding value, a second secret key, and an error value, calculating the error value from the response value, and determining whether authentication of the client has succeeded based on the error value.08-08-2013
20160072775SYSTEM AND METHOD FOR KEY EXCHANGE BASED ON AUTHENTICATION INFORMATION - Disclosed are a system and method for exchanging a key based on user authentication information. The system for exchanging a key based on user authentication information includes a terminal configured to generate an ID-based ciphertext corresponding to authentication information of a user of the terminal using a terminal-side random number and a server ID and a server configured to decrypt the ID-based ciphertext that is received from the terminal using a server-side private key corresponding to the server ID to restore the authentication information, authenticate the terminal using the restored authentication information, and generate a server-side session key corresponding to the authenticated terminal.03-10-2016
20160080144APPARATUS AND METHOD FOR DATA ENCRYPTION - Provided is an apparatus for encrypting data including a key determiner configured to determine a cipher key for white-box cryptography (WBC)-based encryption and a symmetric key different from the cipher key and an encrypter configured to generate a ciphertext of the data using the WBC-based encryption and symmetric-key-based encryption with the symmetric key.03-17-2016

Kyu-Young Chung, Cheongju-Si KR

Patent application numberDescriptionPublished
20110148481WAVEFORM GENERATION CIRCUIT - A waveform generation circuit includes: a waveform generation block configured to generate a waveform signal corresponding to a driving control signal; and a control signal generation block configured to generate a driving control signal for compensating the waveform signal for an environmental factor reflected into the waveform generation circuit.06-23-2011
20120026152OVER-DRIVABLE OUTPUT BUFFER, SOURCE DRIVER CIRCUIT HAVING THE SAME, AND METHODS THEREFOR - Provided is an output buffer for a source driver circuit which receives an external buffer input signal and generates a buffer output signal having a predetermined target voltage, the output buffer including: an over-driving controller configured to generate a pair of first internal buffer input signals and a pair of second internal buffer input signals for an over-driving operation, based on a first over-driver enable signal and a second over-driver enable signal, the first and second over-driver signals being provided from an external source, and an output buffer unit configured to: perform the over-driving operation, based on the pair of first internal buffer input signals and the pair of second internal buffer input signals provided from the over-driving controller, and generate: a buffer output signal including a target voltage greater than the predetermined target voltage, or a buffer output signal including a target voltage less than the predetermined target voltage.02-02-2012
20120200770SOURCE DRIVER, CONTROLLER, AND METHOD FOR DRIVING SOURCE DRIVER - A source driver, a controller, and a method for driving a source drive are provided. The source driver includes a controller configured to receive a start pulse signal, and generate and output one of a new start pulse signal if the start pulse signal is received, and an internal start pulse signal if the start pulse signal is not received, a shift register configured to receive video data, store the video data, and output the video data if the outputted start pulse signal is received by the shift register, a digital-to-analog converter (DAC) configured to convert the video data output from the shift register into an analog voltage signal, and output the analog voltage signal, and an output buffer configured to buffer the analog voltage signal output from the DAC, and output the buffered analog voltage signal.08-09-2012
20120212263WAVEFORM GENERATION CIRCUIT - Waveform generation circuits are provided. A waveform generation circuit includes a waveform generation block configured to generate a waveform signal corresponding to a driving control signal, and a control signal generation block configured to generate the driving control signal to compensate the waveform signal for an environmental factor affecting the waveform generation circuit.08-23-2012
20150295493CHARGE PUMP APPARATUS AND CHARGE PUMPING METHOD - A charge pumping method includes: generating a first boosted voltage by boosting an input voltage by a boosting mode of a first multiplier; changing the level of a voltage charged in at least one capacitor provided in the inside of a charge pump circuit, in preparation for a change in the boosting mode; and generating a second boosted voltage by boosting the input voltage by a boosting mode of a second multiplier.10-15-2015

Patent applications by Kyu-Young Chung, Cheongju-Si KR

Kyu-Young Chung, Seoul KR

Patent application numberDescriptionPublished
20080290909Source driver in liquid crystal display device, output buffer included in the source driver, and method of operating the output buffer - Provided is an output buffer, which may be included in a source driver of a liquid crystal display (LCD) device. The output buffer may include a differential amplification unit and an output unit. The differential amplification unit may generate control currents by amplifying the difference between the voltages of an analog image signal and a signal output from the output buffer. The output unit outputs the amplified analog image signal in response to the control currents. The amount of bias current used to drive the differential amplification unit increases during a charge recycling period, and the amount of quiescent current flowing through the output unit decreases during the charge recycling period. The amount of the bias current used to drive the differential amplification unit decreases during a driving period, and the amount of the quiescent current flowing through the output unit increases during the driving period.11-27-2008
20090072918Oscillator and method for operating the same - An oscillator includes a first comparator circuit, a second comparator circuit, an oscillation signal generator circuit, and a frequency voltage generator circuit. The first comparator circuit generates a first pulse when a frequency voltage reaches a first reference voltage, and the second comparator circuit generates a second pulse when the frequency voltage reaches a second reference voltage. The oscillation signal generator circuit generates an oscillation signal by latching a first voltage in response to the first pulse and latching a second voltage in response to the second pulse. The frequency voltage generator circuit raises or lowers the frequency voltage in response to the oscillation signal. The driving capability of the first comparator circuit is reduced at the latching of the first voltage and is restored at the latching of the second voltage. The driving capability of the second comparator circuit is reduced at the latching of the second voltage and is restored at the latching of the first voltage.03-19-2009
20090309889Method and Apparatus for Contolling Writing of Data to Graphic Memory - A method and apparatus for controlling writing of data to a graphic memory is provided. In the method and apparatus, a plurality of consecutively input data pieces are controlled to be not consecutively written to the same memory area in terms of time or space.12-17-2009
20090315529SAWTOOTH WAVE GENERATING CIRCUIT AND SWITCH MODE POWER SUPPLY DEVICE HAVING THE SAME - A sawtooth wave generating circuit that outputs a sawtooth wave signal after calibration and a switch mode power supply device including the sawtooth wave generating circuit is disclosed. The sawtooth wave generating circuit includes a capacitor, a calibration circuit, a charging circuit, discharging circuit and a control unit. The calibration circuit feedbacks a sawtooth wave signal, generates a plurality of voltage signals based on the sawtooth wave signal, and selects one of the voltage signals to generate a calibration output signal. Therefore, the sawtooth wave generating circuit generates a stable sawtooth wave signal regardless of operating conditions.12-24-2009
20100039179Folded cascode operational amplifier having improved phase margin - A folded cascode operational amplifier having an improved phase margin due to pole-zero cancellation by using a plurality of cascode-connected bias circuits and frequency compensation capacitors.02-18-2010
20100134186LOW POWER OPERATIONAL AMPLIFIER - An amplifier which operates with low power is provided. In the amplifier, a first input unit includes a first control circuit and a second control circuit each including one terminal connected to an output node and the other terminal connected to a respective input transistor from among the plurality of input transistors, and controls the amount of current flowing into the plurality of input transistors or flowing out of the plurality of input transistors according to operating modes of the amplifier, whereby even when an A bias current is increased in order to increase a slew rate of the amplifier, a B bias current a the quiescent current do not increase.06-03-2010
20130278618Method and Apparatus for Controlling Writing of Data to Graphic Memory - A method and apparatus for controlling writing of data to a graphic memory is provided. In the method and apparatus, a plurality of consecutively input data pieces are controlled to be not consecutively written to the same memory area in terms of time or space.10-24-2013
20150022540METHOD AND APPARATUS FOR CONTROLLING WRITING OF DATA TO GRAPHIC MEMORY - A method and apparatus for controlling writing of data to a graphic memory is provided. In the method and apparatus, a plurality of consecutively input data pieces are controlled to be not consecutively written to the same memory area in terms of time or space.01-22-2015

Patent applications by Kyu-Young Chung, Seoul KR

Kyu-Young Chung, Chungcheongbuk-Do KR

Patent application numberDescriptionPublished
20110109375CHARGE PUMP APPARATUS AND CHARGE PUMPING METHOD - A charge pumping method includes: generating a first boosted voltage by boosting an input voltage by a boosting mode of a first multiplier; changing the level of a voltage charged in at least one capacitor provided in the inside of a charge pump circuit, in preparation for a change in the boosting mode; and generating a second boosted voltage by boosting the input voltage by a boosting mode of a second multiplier.05-12-2011

Kyu-Young Chung, Hwasung-City KR

Patent application numberDescriptionPublished
20100077281AUTOMATIC DATA RECOVERY CIRCUIT AND DATA ERROR DETECTION CIRCUIT - An automatic data recovery circuit includes a register, an error detection unit and a data recovery unit. The register stores a register data including an input data and a remainder data generated by a cyclic redundancy check calculation on the input data using a predefined generation polynomial. The error detection unit performs a modular calculation on the register data stored in the register using the predefined generation polynomial to generate an error detection signal indicating whether an error is detected in the register data stored in the register. The data recovery unit recovers the input data when an error is detected in the input data based on the error detection signal and a comparison data generated by comparing the input data stored in the register with a reference voltage using a capacitor.03-25-2010

Kyu-Young Han, Seoul KR

Patent application numberDescriptionPublished
20150214016APPARATUS AND METHOD OF TREATING A SUBSTRATE - Provided are an apparatus and a method of treating a substrate using process gas. The apparatus may include a chamber configured to provide a treatment space, in which a process of treating a substrate is performed, a detection unit configured to detect an amount of reaction by-products attached on an inner surface of the chamber. The detection unit may include a window member provided on the inner surface of the chamber, and a light source member configured to emit and receive light through the window member.07-30-2015

Kyu-Young Hwang, Ansan-Si KR

Patent application numberDescriptionPublished
20110304799Polymer-dispersed liquid crystal display device and method of manufacturing the same - A polymer-dispersed liquid crystal (PDLC) display device includes a first substrate having a reflective layer on a surface thereof and a second substrate facing the first substrate. A first electrode and a second electrode may be formed on inner surfaces of the first and second substrates, and a PDLC layer may be between the first substrate and the second substrate. The PDLC layer may include a first liquid crystal layer region including dispersed polymers and liquid crystals, and a second liquid crystal layer region between the first liquid crystal layer region and the second substrate, the second liquid crystal layer region not including polymers.12-15-2011
20120113360DISPLAY DEVICE HAVING COLOR FILTER - A display device may include a first substrate, a second substrate, reflective plates and a transparent electrode. The first substrate and the second substrate may be facing each other. The reflective plates may be on a surface of the first substrate facing the second substrate. The transparent electrode may be disposed on a surface of the second substrate facing the first substrate. Color filters and a polymer-dispersed liquid crystal (PDLC) layer may further be included in the display device. The color filters may be on the reflective plates, and the PDLC may be between the first substrate and the second substrate. The PDLC layer may include a polymer and liquid crystals dispersed in the polymer.05-10-2012
20120133863Reflective Polymer Dispersed Liquid Crystal Display Device - A reflective polymer dispersed liquid crystal (PDLC) display device includes a PDLC layer between first and second electrodes, the PDLC layer including polymers, liquid crystals, and dichroic dyes having negative dichroism.05-31-2012
20120169971Reflective Polymer Dispersed Liquid Crystal Display Device - A reflective polymer dispersed liquid crystal (PDLC) display device may include a plurality of first and second electrodes on the first and second substrates, the first and second substrates separate from each other, a polymer dispersed liquid crystal (PDLC) layer between the plurality of first and second electrodes, the PDLC layer including polymer, liquid crystal, and a chain transfer reagent, and a specular reflection plate on the first substrate.07-05-2012
20120260979Solar Cell Using Polymer-Dispersed Liquid Crystals - Example embodiments relate to a solar cell configured to scatter incident light to be penetrated so as to increase a light progress path and includes a polymer-dispersed liquid crystal (PDLC) layer on at least one of a first and a second electrodes.10-18-2012
20120262649REFLECTIVE DISPLAY DEVICE INCLUDING POLYMER-DISPERSED LIQUID CRYSTALS - According to example embodiments, a reflective display device includes a plurality of pixel units. Each of the plurality of pixel units may include a reflective plate having at least one concave reflective surface, a first electrode on the reflective plate, a second electrode separate from the first electrode, at least one light-absorbing member corresponding to the at least one concave reflective surface, and a polymer dispersed liquid crystal PDLC layer between the first electrode and the second electrode. The PDLC layer includes a polymer and liquid crystals. The light-absorbing member may be at a focus position of the at least one concave reflective surface.10-18-2012
20130135701HOLOGRAPHY DEVICES, THREE-DIMENSIONAL IMAGE DISPLAY APPARATUSES INCLUDING THE SAME, AND METHODS OF PROCESSING HOLOGRAPHY IMAGES - A holography device may include a light reaction layer configured to react with light to form and remove a diffraction grating, and a metal thin film on the light reaction layer. When first light is incident on the metal thin film while the grating is formed in the light reaction layer, surface plasmon formed on the metal thin film may be diffracted so as to output a holography image. A method of processing a holography image may include recording the image on a holography device by irradiating first light to a light reaction layer to form a diffraction grating, outputting the image by irradiating second light to a metal thin film on the light reaction layer to diffract surface plasmon formed on the metal thin film, and deleting the image from the holography device by irradiating third light to the light reaction layer to remove the grating.05-30-2013
20130148180PHOTOREFRACTIVE COMPOSITE, SPATIAL LIGHT MODULATOR, AND HOLOGRAM DISPLAY DEVICE USING THE SAME - A photorefractive composite, a spatial light modulator and a hologram display device using the same include at least one carborane compound expressed as the following Chemical Formulae 1A through 1C:06-13-2013
20130148181PHOTOREFRACTIVE COMPOSITE, SPATIAL LIGHT MODULATOR, AND HOLOGRAM DISPLAY DEVICE USING THE SAME - A photorefractive composite, a spatial light modulator and a hologram display device using the same include at least one carborane compound expressed as the following Chemical Formulae 1A through 1C:06-13-2013
20140158999COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME, AND DISPLAY INCLUDING THE ORGANIC LIGHT EMITTING DIODE - Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. A compound for an organic optoelectronic device represented by Chemical Formula 1 provides an organic optoelectronic device having an excellent life-span and improved luminous efficiency at a low driving voltage due to excellent electrochemical and thermal stability.06-12-2014
20140203257COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME, AND DISPLAY INCLUDING THE ORGANIC LIGHT EMITTING DIODE - A compound for an organic optoelectronic device represented by Chemical Formula 1:07-24-2014
20140268264SPATIAL LIGHT MODULATOR, HOLOGRAPHIC THREE-DIMENSIONAL IMAGE DISPLAY INCLUDING THE SAME, AND METHOD FOR MODULATING SPATIAL LIGHT - A spatial light modulator, a holographic image display including the same, and a method for spatially modulating light. The spatial light modulator modulates a phase of light that is incident on a plurality of pixels and includes a variable refractive index layer that has a refractive index which is variable based on one of an optical signal and an electrical signal, and a metal layer that is disposed on the refractive index-change layer, and a high refractive index layer on the metal layer. Light incident on the metal layer causes generation of a surface plasmon at an interface between the variable refractive index layer and the metal layer.09-18-2014
20150060791CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A condensed-cyclic compound of Formula 1:03-05-2015
20150090968CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A condensed cyclic compound represented by Formula 1:04-02-2015
20150194610CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A condensed cyclic compound represented by one of Formulae 1A to 1D:07-09-2015

Patent applications by Kyu-Young Hwang, Ansan-Si KR

Kyu-Young Hwang, Seoul KR

Patent application numberDescriptionPublished
20110019132Cholesteric liquid crystal display devices and methods of manufacturing the same - A cholesteric liquid crystal display device includes: a plurality of pixel units arranged two-dimensionally between two transparent substrates. Each of the plurality of pixel units includes a cholesteric liquid crystal layer having a single-layer structure. The cholesteric liquid crystal layer includes: a liquid crystal molecule; a chiral dopant; and an optically polymerizable polymer. The chiral dopant is mixed with the liquid crystal molecule to form a cholesteric phase and has a solubility that varies with respect to the liquid crystal molecule according to temperature. The optically polymerizable polymer is cured to fix a helix pitch of the cholesteric phase.01-27-2011
20110067807Method of forming polymer dispersed liquid crystal layer including dichroic dye - Example embodiments relate to a method of forming a polymer dispersed liquid crystal (PDLC) layer including a dichroic dye. A first PDLC layer including the dichroic dye and a second PDLC layer having no dichroic dye may be bonded to each other so as to form the desired PDLC layer.03-24-2011
20110134372Polymer-dispersed liquid crystal display device and method of manufacturing the same - Provided are a polymer-dispersed liquid crystal (PDLC) display device and a method of manufacturing the same. The PDLC display device may include a PDLC layer between facing substrates, wherein the PDLC layer has at least two regions including polymers having different concentrations.06-09-2011
20110261294Color filter and display device employing the same - The color filter may include a pixel unit having a plurality of sub-pixels of different colors, wherein the plurality of sub-pixels respectively include flat plate metal layers and a plurality of color PDLC layers on the flat plate metal layers, and the plurality of color PDLC layers each include a polymer, a plurality of liquid crystal drops dispersed in the polymer, and a plurality of color display materials mixed in the liquid crystal drops.10-27-2011
20110299014Reflective color display device - Example embodiments are directed to a reflective color display device including a first substrate and a second substrate spaced apart from each other; a plurality of first and second electrodes respectively on the first and second substrates; a polymer dispersed liquid crystal (PDLC) layer between the first and second electrodes and including a polymer and liquid crystals in the polymer; and a CMY color filter on the second substrate.12-08-2011
20120081644Cholesteric Liquid Crystal Display Devices And Methods Of Manufacturing The Same - In a method of manufacturing a single-layer cholesteric liquid crystal display device, a liquid crystal composition of a cholesteric phase is formed between a first substrate and a second substrate. A plurality of liquid crystal layers are formed by sequentially adjusting the temperature of the cholesteric phase liquid crystal composition and performing a plurality of optical curing processes on the cholesteric phase liquid crystal composition. Each of the plurality of liquid crystal layers corresponds to one of the plurality of subpixels.04-05-2012
20120088320Method of forming polymer-dispersed liquid crystal film including dichroic dye - In a method of forming a polymer-dispersed liquid crystal (PDLC) film, the presence of dichroic dye in a polymer may be prevented or reduced by diffusing dichroic dye into a PDLC layer, and a PDLC display device having improved visibility may be formed.04-12-2012
20130094069SPATIAL LIGHT MODULATORS, HOLOGRAPHIC 3-DIMENSIONAL DISPLAY APPARATUSES INCLUDING THE SPATIAL LIGHT MODULATORS, AND METHODS OF MODULATING SPATIAL LIGHT - A spatial light modulator may include a refraction layer including first and second regions with refractive indices different from each other; and/or a metal thin film on a lower face of the refraction layer configured to generate surface plasmons due to light incident on the metal thin film via the refraction layer. When first light is incident on the refraction layer, a phase difference between light reflected by the first and second regions may occur. A spatial light modulator may include a metal thin film and a refraction layer on the metal thin film. The refraction layer may include a first region with a first refractive index and a second region with a second refractive index different from the first refractive index. When first light is incident on the refraction layer, there may be a phase difference between light reflected from the first and second regions.04-18-2013

Patent applications by Kyu-Young Hwang, Seoul KR

Kyu-Young Kim, Yongin-City KR

Patent application numberDescriptionPublished
20140118269DISPLAY DEVICE - A display device includes a display panel that displays an image thereon, a window on the display panel, and an adhesive member between the display panel and the window. The adhesive member is made of an elastic body.05-01-2014
20140118292TOUCH SCREEN PANEL AND METHOD OF MANUFACTURING THE SAME - In one aspect, a touch screen panel and a method of manufacturing the same are provided. In some embodiments, the touch screen panel includes a substrate including a sensing region and a peripheral region, a plurality of first sensing patterns, a plurality of second sensing patterns, and an insulating layer, where the insulating layer is patterned so that both sides of the second sensing patterns are exposed.05-01-2014
20140152910FLEXIBLE TOUCH SCREEN PANEL AND FABRICATION METHOD THEROF - A flexible touch screen panel with sensing electrodes formed of different materials is disclosed. In one aspect, the panel includes a substrate, a plurality of first and second sensing electrodes, a plurality of first and second position detection lines, and a pad portion. The substrate is divided into an active area, and first and second non-active area formed at the outside of the active area. The plurality of first sensing electrodes are arranged along a first direction and the plurality of second sensing electrodes are arranged along a second direction in the active area. The plurality of first and second position detection lines are formed in the first non-active area, and respectively connected to the plurality of first and second sensing electrodes. The pad portion is formed in the second non-active area, and has a plurality of pads electrically connected to the plurality of first and second position detection lines. The first and second sensing electrodes are formed of different materials from each other.06-05-2014
20140204054TOUCH SCREEN PANEL AND DISPLAY DEVICE HAVING THE SAME - A touch screen panel includes: a substrate; an opaque peripheral pattern formed on one surface of a non active area of the substrate; an insulating member disposed on an active area of inside of the peripheral pattern so as to be positioned on a same layer as the peripheral pattern; conductive sensing cells formed on the insulating member; and peripheral wirings connected to the conductive sensing cells and formed on the peripheral pattern.07-24-2014
20140287213COVER WINDOW FOR DISPLAY DEVICE, DISPLAY DEVICE COMPRISING THE SAME, AND METHOD FOR MANUFACTURING THE SAME - A cover window for a display device which is bendable and having more than a certain degree of surface hardness, the cover window including a base film and a coating layer on the base film, the coating layer including first and second regions including different degrees of hardness.09-25-2014
20140349064WINDOW STRUCTURE FOR DISPLAY DEVICE AND DISPLAY DEVICE HAVING THE SAME - Provided is a window structure. The window structure for a display device is formed by laminating a plurality of resin layers including fiber structures formed in a grid shape. A first grid array angle in a first direction of a first resin layer positioned at the upper side when viewed from a laminated direction of the plurality of resin layers is different from a second grid array angle in a first direction of a second resin layer positioned directly under the first resin layer.11-27-2014
20150043174WINDOW PANEL FOR A DISPLAY APPARATUS - A window panel includes a first rigid part including a rigid material, a second rigid part including the rigid material, and a base substrate interposed between the first and second rigid parts and including a folding part configured to be folded by an external force. The folding part includes a first area and a second area, which are alternately arranged on a plane surface of the base substrate substantially perpendicular to a thickness direction of the base substrate. The first area includes the rigid material, and at least a portion of the second area includes a soft material. Thus, the rigidity of the window panel is maintained by the rigid material and the flexibility of the window panel is improved by the soft material.02-12-2015
20150207102FOLDABLE, FLEXIBLE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.07-23-2015

Kyu-Young Kim, Busan KR

Patent application numberDescriptionPublished
20100054390PROGRAMMABLE FREQUENCY DIVIDER AND FREQUENCY DIVIDING METHOD THEREOF - Provided are a programmable frequency divider, more particularly, a programmable frequency divider which is a core module of a frequency synthesizer using a Phase Locked Loop (PLL) for generating very high frequencies.03-04-2010

Kyu-Young Kim, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20120133880PRINTING APPARATUS FOR MANUFACTURING A SPACER AND METHOD OF MANUFACTURING A DISPLAY PANEL - A printing apparatus for manufacturing a spacer includes a printing plate and a printing roller. The printing plate has a plurality of receiving recesses formed thereon. The receiving recess has a generally elliptical shape. The receiving recesses are infiltrated with a plurality of beads. The printing roller transfers the beads onto its outer surface by rolling over the receiving recesses, and transfers the beads from its outer surface onto an external substrate. Thus, the spacers may maintain a distance between the first and second substrates stably, so that press characteristics may be enhanced and smear defects occurring when the display panel is pressed may be prevented.05-31-2012
20150086763COVER WINDOW FOR A DISPLAY DEVICE, AND A DISPLAY DEVICE INCLUDING THE SAME - A cover window for a display device includes a base film and a coating layer disposed on the base film. The base film includes a plurality of layers. Each of the plurality of layers includes a folding part and a nonfolding part. Each of the plurality of layers has a different coefficient of thermal expansion.03-26-2015

Kyu-Young Kim, Yongin-Si KR

Patent application numberDescriptionPublished
20150024170WINDOW MEMBER AND IMAGE DISPLAY APPARATUS INCLUDING THE SAME - A window member includes flexible base films and a protective film. The flexible base films are stacked upon one another. Each flexible base film is substantially transparent. The protective film is disposed on the flexible base films and is substantially transparent. Each of the flexible base films includes protrusions and grooves disposed between adjacent protrusions. Corresponding protrusions of the flexible base films at least partially overlap one another.01-22-2015

Kyu-Young Lee, Busan KR

Patent application numberDescriptionPublished
20100037493Wear-Resistant, Impact-Resistant Excavator Bucket Manufactured by Casting and Manufacturing Method Thereof - An excavator bucket is manufactured by: making a wooden or metallic casting pattern; inserting the casting pattern into a molding box and subjecting the inserted pattern to sand casting; taking out the pattern from the molding box to form a mold cavity; heating an ingot at a temperature of 1600-1650° C., and pouring the heated ingot into the mold cavity; solidifying the poured ingot and separating the upper mold portion and the molding box from the solidified ingot, thus producing a sand-cast bucket; charging the sand-cast bucket into an electric furnace, heating the charged bucket at a temperature of 900-1100° C., and quenching the heated bucket in cold water; subjecting the coupling part of the quenched bucket to boring, face milling, drilling and tapping; assembling parts, bushings, pins and bolts, to the coupling part; and washing, drying and painting the assembled bucket.02-18-2010
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