Il-Yong
Il Yong Cho, Suwon-Si KR
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20130319018 | MULTI TYPE AIR CONDITIONER AND COOLING AND HEATING CONTROL METHOD THEREOF - A cooling and heating control method of a multi type air conditioner in which a target pressure of a compressor is adjusted based on conditions of respective indoor units so as to reduce power consumption is provided. The cooling control method includes determining the indoor unit desired to execute power saving control, judging whether or not a difference between a temperature of a space in which the indoor unit desired to execute power saving control is located and a set temperature of the indoor unit is less than a reference value, raising a target evaporation temperature of the indoor unit upon judging that the difference is less than the reference value, comparing an evaporation temperature of the indoor unit with the raised target evaporation temperature, and raising an evaporation pressure of a compressor, when the evaporation temperature of the indoor unit is lower than the raised target evaporation temperature. | 12-05-2013 |
20140047852 | AIR CONDITIONER AND CONTROL METHOD THEREOF - An air conditioner that improves efficiency of an inverter compressor by injecting an intermediate pressure refrigerant to the inverter compressor during heating or cooling and a control method thereof are provided. | 02-20-2014 |
Il Yong Jeong, Seoul KR
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20130284639 | HYDROCRACKING PROCESS OF HEAVY HYDROCARBON DISTILLATES USING SUPERCRITICAL SOLVENT - Specific embodiments of the present invention provide a hydrocracking process for converting low value-added heavy hydrocarbon distillates into high value-added hydrocarbon distillates using a supercritical solvent as a medium. | 10-31-2013 |
20130326953 | Gasification Method for Reducing Emission of Carbon Dioxide - Provided is a gasification method of a carbon-containing material, the method including: (a) reacting a carbon-containing material to be treated under the presence of a catalyst with steam to produce a syngas containing hydrogen, carbon monoxide and carbon dioxide; (b) generating a carbon dioxide rich gas by introducing a portion of the syngas that has produced in step (a) into a combustion process, and/or separating hydrogen and carbon monoxide from the syngas produced in step (a); and (c) recycling, to step (a), the carbon dioxide rich gas that has been produced in step (b). By the method, the necessity of separating or collecting and storing carbon dioxide for reducing carbon dioxide is eliminated to minimize costs for constructing a special device and facility for the separation or collecting and storage of the carbon dioxide. | 12-12-2013 |
20140275671 | METHOD OF PRODUCING AROMATIC HYDROCARBONS AND OLEFIN FROM HYDROCARBONACEOUS OILS COMPRISING LARGE AMOUNTS OF POLYCYCLIC AROMATIC COMPOUNDS - This invention relates to a method of producing aromatic hydrocarbons and olefin from hydrocarbonaceous oils including large amounts of polycyclic aromatic compounds having two or more rings via partial hydrogenation in the presence of a hydrogenation catalyst and catalytic cracking in the presence of a catalytic cracking catalyst. | 09-18-2014 |
Il Yong Jeong, Gangseo-Gu KR
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20120241676 | METHOD FOR GASIFICATION OF CARBON-CONTAINING MATERIALS BY THERMAL DECOMPOSITION OF METHANE AND CONVERSION OF CARBON DIOXIDE - The present invention relates to a method for gasification of carbon-containing materials, and more specifically, to a method for gasification of carbon-containing materials which allows an increase in carbon efficiency and a reduction in carbon dioxide emission, comprising the steps of: gasification of carbon-containing materials to methane; thermal decomposition of CH | 09-27-2012 |
Il Yong Kim, Gyeonggi-Do KR
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20140076650 | ELECTRIC BICYCLE - An electric bicycle configured to generate electricity by pedals thereof, the electric bicycle includes a front frame provided with a front wheel and a handle; a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel; a pedal housing provided at the a front frame provided with a front wheel and a handle, a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel, a pedal housing provided at the center frame, a pedal shaft provided with the pedals at both end portions thereof while passing through the pedal housing, an accelerating unit allowing the pedal shaft to pass therethrough and provided with an input side directly connected to the pedal shaft to increase rotational speed, and a generating unit allowing the pedal shaft to pass therethrough and directly connected to an output side of the accelerating unit. | 03-20-2014 |
20140080652 | DRIVE STRUCTURE FOR ELECTRIC BICYCLE - A motor structure for an electric bicycle including a motor provided with a rotor and a stator to generate a rotary force to drive a wheel of the electric bicycle, the rotor having an accommodation space formed at a center thereof, a first decelerator unit disposed in the accommodation space and connected to a rotating shaft that is rotated together with the rotor, a second decelerator unit connected to the first decelerator unit and disposed outside the motor, and a motor housing to accommodate the motor and the second decelerator unit. | 03-20-2014 |
Il Yong Lee, Gunpo-Si KR
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20150311862 | APPARATUS FOR MONITORING LEAKAGE CURRENT OF TRANSFORMER-LESS PHOTOVOLTAIC INVERTER - Disclosed is an apparatus for monitoring a leakage current of a transformer-less photovoltaic inverter, which can reduce the risk of a fault in a grid due to a leakage current in a photovoltaic inverter. The apparatus comprises a low pass filter configured to remove a high-frequency noise of a sensed leakage current signal; an average value calculator configured to calculate an average value of an output of the low pass filter; a direct current component remover configured to subtract the average value from the output of the low pass filter; a phase locked loop circuit section configured to calculate a peak value and a phase of a signal from which the direct current component has been removed; and a resistive component leakage current calculator configured to calculate a resistive component value of a leakage current, based on the peak value and the phase calculated. | 10-29-2015 |
Il Yong Lee, Seoul KR
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20100208093 | METHOD FOR PROCESSING IMAGE DATA IN PORTABLE ELECTRONIC DEVICE, AND PORTABLE ELECTRONIC DEVICE HAVING CAMERA THEREOF - The present disclosure is related to a method for processing image data in the portable electronic device, the method including obtaining an image through an image obtaining unit of the electronic device having a plurality of shot modes; determining each good-to-fit score of the plurality of shot modes for the obtained image; and displaying the each good-to-fit score of the plurality of shot modes for the obtained image along with the obtained image. | 08-19-2010 |
Il Yong Lee, Daejeon KR
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20080242852 | Method for Preparation of Hydroxyalkylalkylcellulose Ethers with High Yield - The present invention relates to a method for preparing hydroxyalkylalkylcellulose with high yield, more particularly to a method for preparing hydroxyalkylalkylcellulose with high yield, with at least 60% of alkoxy and hydroxyalkoxy substituted, by treating finely ground pulp with an alkali metal hydroxide at room temperature, reacting it with an alkylene oxide and an alkyl halide, and then adding an alkali metal hydroxide and an alkyl halide thereto. The method of the present invention is highly economical and also environment-friendly because waste of the reactants can be greatly reduced. | 10-02-2008 |
20140332708 | ACETYLATED CELLULOSE ETHER, METHOD FOR PREPARING SAME, AND ARTICLE COMPRISING THE ACETYLATED CELLULOSE ETHER - Disclosed are acetylated cellulose ether, a method of preparing the same, and an article including the same. The disclosed acetylated cellulose ether has a degree of substitution (DS) of alkyl group of 1 to 2, a molar substitution (MS) of hydroxyalkyl group of 0 to 1, and a degree of substitution (DS) of acetyl group of 1 to 2; and a bulk density of 0.1 to 0.4. | 11-13-2014 |
Il Yong Lee, Gyeonggi-Do KR
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20140166964 | PHASE-CHANGE MEMORY DEVICE AND FABRICATION METHOD THEREOF - A phase-change memory device and a method of fabricating the same are provided. The phase-change memory device includes a semiconductor substrate in which a word line is arranged, a diode line disposed over the word line and extending parallel to the word line, a phase-change line pattern disposed over the diode line, and a projection disposed between the diode line and the phase-change line pattern and protruding from the diode line. The diode line and the projection are formed of a single layer to be in continuity with each other. | 06-19-2014 |
20150179929 | PHASE-CHANGE MEMORY DEVICE AND FABRICATION METHOD THEREOF - A phase-change memory device and a method of fabricating the same are provided. The phase-change memory device includes a semiconductor substrate in which a word line is arranged, a diode line disposed over the word line and extending parallel to the word line, a phase-change line pattern disposed over the diode line, and a projection disposed between the diode line and the phase-change line pattern and protruding from the diode line. The diode line and the projection are formed of a single layer to be in continuity with each other. | 06-25-2015 |
Il Yong Lee, Ch'Ungch'Ong-Bukto KR
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20150017403 | CURABLE AND PATTERNABLE INKS AND METHOD OF PRINTING - A curable and patternable ink, a method of using this ink as part of a structure that performs a function in an electronic device, and a soft lithographic method for forming said structure on a substrate for use within the electronic device is disclosed. The curable and patternable ink generally comprises a first portion defined by structural units of (R)SiO | 01-15-2015 |
Il Yong Park, Gyeonggi-Do KR
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20140063618 | OPTICAL SYSTEM - The present invention relates to an optical system. | 03-06-2014 |
20140071542 | OPTICAL SYSTEM - The present invention relates to an optical system. | 03-13-2014 |
20140118817 | HIGH RESOLUTION OPTICAL SYSTEM - The present invention relates to a high resolution optical system. | 05-01-2014 |
Il Yong Park, Seoul KR
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20090065863 | LATERAL DOUBLE DIFFUSED METAL OXIDE SEMICONDUCTOR DEVICE - In one example embodiment, an LDMOS device includes a first n-type well formed on a p-type substrate, a plurality of isolation layers formed in the first n-type well, a p-type ion implantation region formed on a surface of each of the isolation layers, and a gate selectively formed on the first n-type well and the isolation layers. | 03-12-2009 |
Il Yong Park, Cheonan KR
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20090023976 | IMPLANTABLE MIDDLE EAR HEARING DEVICE HAVING TUBULAR VIBRATION TRANSDUCER TO DRIVE ROUND WINDOW - An implantable middle ear hearing device having a tubular vibration transducer to drive a round window is designed to input sound to a round window opposite an oval window in an inner ear. The tubular vibration transducer has a unique structure that does not attenuate the magnitude of a signal, particularly, in a high frequency band. Sound delivery effect is much higher than those of conventional schemes. It is also possible to minimize difficulties associated with and problems resulting from the operation, which the conventional methods would have. Further, the transducer can have a relatively less compact than ossicle contact type transducers, and thus be easily fabricated. The hearing device can be applied to a sensorineural hearing loss patient with the ossicle damaged. Moreover, since sound is directly transmitted without through the ear drum and the ossicle, high efficiency sound delivery is achievable and hearing loss compensation are easy. | 01-22-2009 |
20090131742 | ROUND WINDOW DRIVING TRANSDUCER FOR EASY IMPLANTATION AND IMPLANTABLE HEARING DEVICE HAVING THE SAME - The present invention relates to a round window driving transducer for easy implantation and an implantable hearing device having the same. The round window driving transducer is implantable in the round window of the cochlea in the middle ear cavity, and has excellent high frequency characteristics, which can assist patients with sensorineural hearing loss to hear sound better. The round window driving transducer can be placed inside the middle ear cavity, radiate sound with high efficiency, and be implanted by surgery using a fixing part formed with shape memory alloy, shape memory resin, or a bendable spring structure. Further, the round window driving transducer can overcome problems of the prior art, such as a difficult surgery and low vibration efficiency, which would inevitably occur when floating mass transducers are implanted in a drilled groove in the bone or when various types of piezoelectric transducers are implanted in the round window. | 05-21-2009 |
Il Yong Park, Suwon KR
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20150055229 | LENS MODULE - There is provided a lens module including: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having a shape in which an object-side surface thereof is concave; a fourth lens having refractive power; a fifth lens having negative refractive power; and a sixth lens having negative refractive power, having a shape in which an image-side surface thereof is concave, and having at least one point of inflection formed on the image-side surface thereof. | 02-26-2015 |
Il Yong Park, Daejeon KR
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20150057391 | RUBBER COMPOSITION FOR TIRE TREAD AND TIRE MANUFACTURED BY USING THE SAME - Provided are a rubber composition for tire tread containing 100 parts by weight of raw material rubber, 10 parts to 100 parts by weight of a reinforcing filler, and 1 part to 20 parts by weight of a silane compound represented by the following formula (1), the raw material rubber containing 40 parts to 90 parts by weight of a styrene-butadiene rubber and 10 parts to 60 parts by weight of a butadiene rubber; and a tire produced using the rubber composition. The rubber composition for tire tread exhibit improved dispersibility, processability, mechanical characteristics, abrasion resistance performance, and rolling resistance characteristics. | 02-26-2015 |
20150068655 | TIRE-REINFORCING STEEL CORD AND RADIAL TIRE USING THE SAME - Disclosed is a tire-reinforcing steel cord for a radial tire. The tire-reinforcing steel cord has a double layer structure including a first-layer core and a second-layer core provided on the surface of the first-layer core. The first-layer core has an elliptical or rectangular cross section. The tire-reinforcing steel cord can improve processability, fatigue characteristics, and rolling resistance performance of a tire, resulting in improved fuel efficiency. A radial tire using the tire-reinforcing steel cord is also disclosed. | 03-12-2015 |
Il-Yong Jung, Suwon-Si KR
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20090213294 | BACKLIGHT UNIT FOR DYNAMIC IMAGE AND DISPLAY EMPLOYING THE SAME - A backlight unit for a dynamic image and a display employing the same are provided. The backlight unit is used for a light source of a display and includes light-emitting devices located separately on a substrate, an image analyzer which analyzes an image signal and extracts position information on a region requiring the relative increase or decrease of brightness, and a control unit which independently drives and controls the light-emitting devices located in a region corresponding to the position information inputted from the image board. Accordingly, the display employing the backlight unit can provide a more dynamic and realistic image. | 08-27-2009 |
Il-Yong Jung, Bucheon KR
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20100327758 | LED Light Emitting Device And Driving Method Thereof - The present invention relates to an LED light emitting device and a driving method, and discloses a technology that may improve a slew rate of a channel current flowing through an LED channel when driving with a pulse width modulation method. For this, the present invention includes an LED channel consisting of a plurality of LED elements that are consecutively and serially connected, a current control switch that is connected to the end of the LED channel and performs a switching operation, and an operational amplifier that controls the switching operation of the current control switch according to a pulse width modulation signal. The LED driver samples an output voltage at the operational amplifier when the pulse width modulation signal is in an on state, and maintains the output voltage of the operational amplifier when the pulse width modulation signal is in an off state. | 12-30-2010 |
Il-Yong Kim, Suwon-Si KR
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20100319471 | RACK ASSIST TYPE ELECTRIC POWER STEERING SYSTEM - A rack assist type electric power steering system has a durable and simplified structure with reduced parts and has an improved productivity, so as to reduce the manufacturing cost thereof and remarkably reduce an assembling difficulty thereof. | 12-23-2010 |
20140080651 | DRIVE UNIT FOR ELECTRIC BICYCLE - A drive unit for an electric bicycle, the drive unit including a motor configured to generate a rotary force to drive a wheel of the electric bicycle, a reduction gear unit provided with a plurality of gears to decelerate a rotary force generated from the motor, and a ring gear configured to output the rotary force which is decelerated by the reduction gear, wherein a rib is formed on at least one of two lateral sides of the ring gear. | 03-20-2014 |
Il-Yong Park, Suwon-Si KR
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20140063617 | LENS MODULE - A lens module is disclosed. A lens module in accordance with an embodiment of the present invention includes a first lens, a second lens, a third lens, and a fourth lens that are arranged successively in the direction from an object side to an imaging surface, wherein the first lens has a positive refractive index, the second lens a negative refractive index, the third lens a positive refractive index, and the fourth lens a negative refractive index, wherein the third lens includes a first sub-lens, a second sub-lens, and a third sub-lens that have a positive refractive index, wherein the fourth lens includes a center portion surrounding an optical axis and a peripheral portion surrounding the center portion, wherein the center portion on the imaging surface side is formed in a concave shape and the peripheral portion on the imaging surface side is formed in a convex shape. | 03-06-2014 |
20150049393 | LENS MODULE - There is provided a lens module including: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having negative refractive power; a fifth lens of which an object-side surface is convex; and a sixth lens having an inflection point formed on an image-side surface or an object-side surface thereof. | 02-19-2015 |
20150131167 | LENS MODULE - A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: | 05-14-2015 |
20150131172 | LENS MODULE - A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: | 05-14-2015 |
20150185436 | LENS MODULE - There is provided a lens module including: a first lens having positive refractive power; a second lens having refractive power, an image-side surface thereof being concave; a third lens having positive refractive power; a fourth lens having negative refractive power, an object-side surface thereof being convex; and a fifth lens having refractive power and having one or more inflection point formed on at least one of an object-side surface and an image-side surface thereof, wherein the first, second, third, fourth and fifth lenses are disposed in a sequential order from the first lens to the fifth lens. | 07-02-2015 |
Il-Yong Park, Chungcheongnam KR
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20090281367 | TRANS-TYMPANIC MEMBRANE TRANSDUCER AND IMPLANTABLE HEARING AID SYSTEM USING THE SAME - A trans-tympanic membrane transducer and an implantable hearing aid system using the same. The trans-tympanic membrane transducer vibrates the tympanic membrane using a miniature magnetic member perpendicularly extending through a portion of the tympanic membrane and a coil implanted adjacent to the magnet to generate alternating magnetic field corresponding to sound signal, so as to remarkably improve sound qualities in high frequency bands, which are hardly achievable by a conventional air conduction hearing aid. This overcomes difficulty, inconvenience and risk associated with a conventional operation that implants a miniature magnet on the surface of the tympanic membrane or on an auditory organ such as the ossicle in the middle ear. | 11-12-2009 |
Il-Yong Yoon, Seoul KR
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20130135545 | TWO-DIMENSIONAL/THREE-DIMENSIONAL SWITCHABLE DISPLAY APPARATUS - A two-dimensional/three-dimensional switchable display apparatus includes: a display panel; a first substrate disposed on the display panel; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a second substrate disposed on the first substrate; a second electrode layer disposed on the second substrate and including a plurality of second electrodes; and a liquid crystal layer disposed between the first and second substrates. A plurality of lens units are formed in association with a first position of the liquid crystal layer when a lens forming voltage profile is applied to the first electrodes and a common voltage is applied to the second electrodes. When the common voltage is applied to the first electrodes and the lens forming voltage is applied to the second electrodes, the plurality of lens units are formed in association with a second position spaced apart from the first position. | 05-30-2013 |
20130342780 | DISPLAY SUBSTRATE, A METHOD OF MANUFACTURING THE SAME AND A DISPLAY APPARATUS HAVING THE SAME - A display substrate includes a transparent substrate, a gate line formed on the transparent substrate, a data line crossing the gate line, a thin film transistor electrically connected to the gate line and the data line, and a pixel electrode. The pixel electrode includes a body electrode section electrically connected to the thin film transistor and a plurality of protruding electrodes protruding from the body electrode section. Each of the protruding electrodes includes a trapezoidal electrode having two sides that are inclined with respect to a protrusion direction that is a lengthwise direction of the body electrode section. | 12-26-2013 |
20140118648 | LIQUID CRYSTAL LENS, A LIQUID CRYSTAL MODULE HAVING THE LIQUID CRYSTAL LENS AND A METHOD OF DRIVING THE LIQUID CRYSTAL MODULE - A liquid crystal lens includes a plurality of first sub liquid crystal portions having refractive indexes varied based on voltages applied thereto, a plurality of second sub liquid crystal portions having refractive indexes varied based on voltages applied thereto, where the second sub liquid crystal portions are adjacent to the first sub liquid crystal portions, respectively and a controller which controls the voltages applied to the first sub liquid crystal portions and the voltage applied to the second sub liquid crystal portions to provide a lens part. | 05-01-2014 |
20140285640 | THREE DIMENSIONAL IMAGE DISPLAY DEVICE AND METHOD OF DISPLAYING THREE DIMENSIONAL IMAGE - A 3D image display device includes: a display panel including pixels; a signal controller controlling driving of the display panel; and an image signal processor generating a 3D input image signal based on image information and outputting the generated 3D input image signal to the signal controller. The image signal processor includes a view point generating unit generating view points corresponding to the respective pixels, and a 3D input image signal generating unit generating the 3D input image signal for the respective pixels based on information on a position of the pixel, information on the generated view point for the respective pixel, and the image information. | 09-25-2014 |
20150256821 | TWO-DIMENSIONAL/THREE-DIMENSIONAL SWITCHABLE DISPLAY APPARATUS - A two-dimensional/three-dimensional switchable display apparatus includes: a display panel; a first substrate disposed on the display panel; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a second substrate disposed on the first substrate; a second electrode layer disposed on the second substrate and including a plurality of second electrodes; and a liquid crystal layer disposed between the first and second substrates. A plurality of lens units are formed in association with a first position of the liquid crystal layer when a lens forming voltage profile is applied to the first electrodes and a common voltage is applied to the second electrodes. When the common voltage is applied to the first electrodes and the lens forming voltage is applied to the second electrodes, the plurality of lens units are formed in association with a second position spaced apart from the first position. | 09-10-2015 |
20150304623 | THREE DIMENSIONAL IMAGE DISPLAY DEVICE AND METHOD OF PROCESSING THREE DIMENSIONAL IMAGES - A 3D image display device includes a display unit including a display panel and an optical panel located at a front side of the display panel and changing a path of light. A controller is configured to generate a signal for controlling the display unit. The controller includes an image signal processor which generates an input image signal based on image information containing 2D image information and depth information. The image signal processor generates a 3D image signal based on the 2D image information and the depth information. The image signal processor extracts a low-depth area having a small depth and generates a 2D image signal corresponding to the low-depth area. The display unit displays the low-depth area by a 2D image. | 10-22-2015 |
Il-Yong Yoon, Bucheon-Si KR
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20120105750 | IMAGE DISPLAY DEVICE USING DIFFRACTIVE DEVICE - An image display device includes a display panel displaying an image and a diffractive device. The diffractive device operates in a 2D mode to enable perception of a 2D image from the image of the display panel and in a 3D mode to enable perception of the image of the display panel as a 3D image. The diffractive device includes a plurality of unit devices. When the diffractive device operates in 3D mode, at least one of the plurality of unit devices operates in a lens mode and a barrier mode during different periods. | 05-03-2012 |
20120162550 | IMAGE DISPLAY DEVICE USING DIFFRACTIVE ELEMENT - An image display device includes a display panel displaying an image, and a diffractive element formed to operate in a 2D mode or a 3D mode so that the image of the display panel is perceived as a 2D image or a 3D image after passing through the diffractive element. In the image display device, the diffractive element includes a first substrate and a second substrate facing each other, a first electrode layer formed on the first substrate that includes a plurality of zones, a second electrode layer formed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. Further, when the diffractive element operates in the 3D mode, a common voltage is applied to the second electrode layer, and polarity of voltages applied to the first electrode layer with respect to the common voltage is inverted every zone. | 06-28-2012 |
20120194510 | DISPLAY APPARATUS - A display apparatus includes a controller which generates a control signal based on at least one of a two-dimensional image and a three-dimensional stereoscopic image inputted from an outside, a panel including a plurality of pixels, where the plurality of pixels is arranged along a first direction and along a second direction substantially perpendicular to the first direction and displays the three-dimensional stereoscopic image having a plurality of viewpoints different from each other in each frame, a lens part including a plurality of lens units, where the plurality of lens units is disposed over the panel overlapping the pixels along the first direction and having a plurality of focal points which shifts in each frame, and a light source which supplies light to the panel. | 08-02-2012 |
20120229452 | DISPLAY APPARATUS AND METHOD OF DISPLAYING THREE DIMENSIONAL IMAGE USING THE SAME - A display apparatus includes a display panel, a lens plate and a lens driver. The display panel includes a plurality of unit pixels. The display panel is driven by dividing a single frame into N sub frames. N is a natural number. The lens plate is on the display panel. The lens plate includes a plurality of lenses which convert a two dimensional (ā2Dā) image displayed on the display panel into a three dimensional (ā3Dā) image. The lens driver disposes the lenses at a first position during a first sub frame. The lens driver moves the lenses to a second position from the first position and disposes the lenses at the second position during a second sub frame. The second position is shifted by 1/N of a width of the unit pixel from the first position. | 09-13-2012 |