Patent application number | Description | Published |
20110003416 | LIGHT EMITTING DIODE HAVING VERTICAL TOPOLOGY AND METHOD OF MAKING THE SAME - An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate. | 01-06-2011 |
20110059564 | LED HAVING VERTICAL STRUCTURE AND METHOD FOR FABRICATING THE SAME - A light emitting diode (LED) having a vertical structure and a method for fabricating the same. The light emitting diode (LED) having a vertical structure includes a support layer; a first electrode formed on the support layer; a plurality of semiconductor layers formed on the first electrode; a conductive semiconductor layer formed on the plurality of semiconductor layers, and provided with an outer surface having a tilt angle of a designated degree; and a second electrode formed on the conductive semiconductor layer. | 03-10-2011 |
20120018700 | Light Emitting Diode Having Vertical Topology And Method Of Making The Same - An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate. | 01-26-2012 |
20140091277 | LIGHT EMITTING DIODE HAVING VERTICAL TOPOLOGY AND METHOD OF MAKING THE SAME - An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate. | 04-03-2014 |
Patent application number | Description | Published |
20080203295 | DEFORMATION METHOD OF NANOMETER SCALE MATERIAL USING PARTICLE BEAM AND NANO TOOL THEREBY - The present invention relates to a deformation method of nanometer-scale material using a particle beam and a nano-tool thereby. The deformation method of the nanometer-scale material using the particle beam according to the present invention is characterized in that the nanometer-scale material is bent toward a direction of the particle beam by irradiating the particle beam on the nanometer-scale material. | 08-28-2008 |
20090106869 | METHOD FOR FABRICATING SPM AND CD-SPM NANONEEDLE PROBE USING ION BEAM AND SPM AND CD-SPM NANONEEDLE PROBE THEREBY - The present invention relates to a method for fabricating a scanning probe microscope (SPM) nanoneedle probe using ion beam which is preferably focused ion beam and a nanoneedle probe thereby. More particularly, the present invention relates to a method for fabricating a SPM nanoneedle probe capable of being easily adjusted with an intended pointing direction of a nanoneedle attached on a tip of the SPM nanoneedle probe and of being easily straightened with the nanoneedle attached on the tip of the SPM nanoneedle probe along the intended pointing direction, and to a SPM nanoneedle probe thereby. Also, the present invention relates to a method for fabricating a critical dimension SPM (CD-SPM) nanoneedle probe capable of precisely scanning the sidewall of an sample object in nanoscale using ion beam which is preferably focused ion beam, and to a CD-SPM nanoneedle probe thereby. More particularly, the present invention relates to a method for fabricating a CD-SPM nanoneedle probe capable of precisely scanning the sidewall of the sample object in nanoscale by bending a portion of an end of the nanoneedle attached on the tip of the SPM nanoneedle probe in a specific angle toward a direction other than an original direction in which the nanoneedle attached on the tip of the SPM nanoneedle probe extends out, and to a CD-SPM nanoneedle probe thereby. A method of fabricating scanning probe microscope (SPM) nanoneedle probe using ion beam, comprises: positioning the probe so that a tip of the probe on which the nanoneedle is attached faces toward a direction in which the ion beam is irradiated; and aligning the nanoneedle attached on the tip of the probe with the ion beam in parallel by irradiating the ion beam toward the tip of the probe on which the nanoneedle is attached. A method of fabricating a critical dimension scanning probe microscope (CD-SPM) nanoneedle probe using ion beam, comprises: screening a certain portion of the nanoneedle attached on a tip of the probe using a mask; and bending a part of the nanoneedle exposed out of the mask to align the part of the nanoneedle by irradiating the ion beam on the part of the nanoneedle exposed out of the mask, along the direction of the irradiated ion beam. | 04-23-2009 |
20110027698 | Apparatus and method for repairing photo mask - An apparatus for repairing a photo mask, including a repairing atomic force microscope configured to repair a defective portion of the photo mask in a photo mask repair process, an electron microscope configured to navigate the repairing atomic electron microscope to the defective portion of the photo mask and to observe the photo mask repair process, and an imaging atomic microscope configured to image in-situ a shape of a repaired photo mask. | 02-03-2011 |
20120117695 | AFM MEASURING METHOD AND SYSTEM THEREOF - Provided are an AFM measuring method and a system thereof. The tip of a cantilever is provided to a plurality of points on a substrate, to which incident light is radiated from a light source. Scattered light is generated between the tip of the cantilever and the substrate by the incident light and the intensity of the scattered light is measured. The measured intensity of the scattered light is input to a data processing unit so as to find a point where the intensity of the incident is highest. The tip of the cantilever is moved to the point where the intensity of the incident light is highest. | 05-10-2012 |
20140130212 | FUSION MEASUREMENT APPARATUS - Provided is a fusion measurement apparatus which increases or maximizes the reliability of a measurement. The fusion measurement apparatus includes an atomic microscope for measuring a surface of a substrate at an atomic level, an electron microscope for measuring the atomic microscope and the substrate, and at least one electrode which distorts the path of a secondary electron on the substrate covered by a cantilever of the atomic microscope so that the secondary electron proceeds to an electron detector of the electron microscope. | 05-08-2014 |
Patent application number | Description | Published |
20130138370 | BATTERY STATE-OF-CHARGE ESTIMATION METHOD AND BATTERY MANAGEMENT SYSTEM - Provided are a battery state-of-charge (SOC) estimation method and a battery management system which are capable of estimating an SOC using an inexpensive processor and a small-capacity memory. The SOC estimation method includes an SOC table creation step, an SOC calculation step, an SOC comparison step, and a processing step. The battery management system includes a battery, a sensing resistor, a control switch unit, and a processor. | 05-30-2013 |
20130166235 | MANAGEMENT SYSTEM AND ESTIMATING METHOD FOR BATTERY PARAMETER - The present invention relates to a battery parameter management system and a battery parameter estimation method which are capable of simply estimating parameters of elements forming a battery equivalent model having a simple structure. The battery parameter system includes an amperemeter, a voltmeter, a control switch unit, and a processor, and the battery parameter estimation method includes supplying a pulse current, estimating resistance of an internal resistor, estimating capacitance of an internal capacitor, and estimating parameters of dynamic elements. | 06-27-2013 |
20150236534 | BALANCING DEVICE AND METHOD - Provided are balancing device and method which can achieve a balancing function between energy storage units connected in series using a small number of switch elements, thereby reducing the manufacturing cost and size and enabling various balancing modes. The balancing device for balancing between a plurality of energy storage units a battery module, in which the energy storage units are connected in series, includes: a transformer; and a switch network comparing a cell switch unit, a polarity switch unit, and au auxiliary switch unit, wherein the auxiliary switch unit includes: a first auxiliary switch unit for connecting a second common node to one terminal of the secondary winding of the transformer; and a second auxiliary switch unit for connecting a first common node to the other terminal of the secondary winding of the transformer. | 08-20-2015 |
Patent application number | Description | Published |
20080205533 | METHOD OF TRANSMITTING USING PHASE SHIFT-BASED PRECODING AND APPARATUS FOR IMPLEMENTING THE SAME IN A WIRELESS COMMUNICATION SYSTEM - A method of transmitting data using a plurality of subcarriers in a multi-antenna wireless communication system is disclosed. More specifically, the method includes receiving feedback information from a mobile station (MS), performing channel encoding and modulation independently on user data to be transmitted by each antenna using the received feedback information, determining a phase shift-based precoding matrix for increasing a phase angle of the user data by a fixed amount, and performing precoding using the determined phase shift-based precoding matrix on the user data. | 08-28-2008 |
20090147868 | METHOD AND APPARATUS FOR TRANSMITTING PILOT SYMBOLS IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting pilot symbols is disclosed. In a communication system performing communications using a plurality of antennas and multiple carriers, the present invention includes the steps of generating a plurality of pilot symbol sequences based on a basic code sequence, data-processing a plurality of the pilot symbol sequences by allocating each of a plurality of the pilot symbol sequences to the multiple carriers, and transmitting each of a plurality of the data-processed pilot symbol sequences via a corresponding one of a plurality of the antennas. | 06-11-2009 |
20100111226 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN MULTIPLE ANTENNA SYSTEM - A method of transmitting control information includes dividing frequency bandwidth into ranges to which the same PMI (precoding matrix index) is applied, obtaining multiple antenna information by the range to which the same PMI is applied and transmitting the multiple antenna information. Since multiple antenna information is transmitted by the unit of a range to which the same PMI is applied, radio resources allocated for transmitting the multiple antenna information may be reduced, thereby enhancing data transmission efficiency. | 05-06-2010 |
20100177844 | METHOD OF TRANSMITTING CONTROL INFORMATION IN MULTIPLE ANTENNA SYSTEM - A method of transmitting control information in a multiple antenna system includes generating a dedicated pilot including a weight and a weight index indicating the weight, and transmitting the dedicated pilot. Detection performance can be improved when control information such as a weight and a weight index is transmitted on a pilot. | 07-15-2010 |
20100309998 | METHOD FOR TRANSMITTING PRECODED SIGNAL IN COLLABORATIVE MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION SYSTEM - A method for transmitting a precoded signal in a collaborative multiple-input multiple-output (MIMO) communication system is described. A method for receiving a precoded signal in a MIMO communication system includes estimating, by a mobile station, channels for one or more base stations through signals received from the one or more base stations including a serving base station, transmitting precoding matrix indexes of the one or more base stations determined based on the estimated channels to the serving base station, and receiving signals precoded by the one or more base stations based on the precoding matrix index. | 12-09-2010 |
20110038436 | METHOD FOR TRANSMITTING AND RECEIVING DATA IN A COOPERATIVE MULTIPLE-INPUT MULTIPLE-OUTPUT MOBILE COMMUNICATION SYSTEM - A method for transmitting and receiving data in a cooperative Multiple-Input Multiple-Output (MIMO) mobile communication system is disclosed. The method includes selecting a transmission path for transmitting precoding-related feedback control information to one or more cooperative base stations operating in the cooperative MIMO mode, and transmitting the precoding-related feedback control information to the one or more cooperative base stations through the selected transmission path. | 02-17-2011 |
20110105164 | METHOD FOR AVOIDING INTER-CELL INTERFERENCE IN MULTI-CELL ENVIRONMENT USING MULTIPLE CODEBOOKS - A method is disclosed for avoiding inter-cell interference in a closed-loop multiple-input multiple-output (MIMO) system using a plurality of codebooks. A base station of a serving cell transmits information about codebooks used in an interfering cell among the plurality of codebooks to a mobile station. The transmission of the information may be made at the request of the mobile station. Alternatively, the mobile station may directly measure information about codebooks used in the interfering cell among the plurality of codebooks. The mobile station measures restricted precoding matrix indexes (PMIs) or requested PMIs based on the codebook information. The measured PMIs are transmitted to the interfering cell and are used to restrict the use of a PMI in the interfering cell. | 05-05-2011 |
20110142166 | METHOD OF FEEDBACK INFORMATION TRANSMISSION, METHOD AND APPARATUS OF DATA TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM HAVING MULTIPLE ANTENNAS - A method of data transmission in a wireless communication system having multiple antennas is disclosed. A method of data transmission from a transmitter of a wireless communication system which uses multiple antennas comprises receiving identification information of a precoding matrix from a receiver, the precoding matrix being selected from a codebook generated using a plurality of first matrixes generated by multiplying a discrete fourier transform (DFT) matrix by each of a plurality of phase shift matrixes; precoding data to be transmitted, by using a precoding matrix indicated by the identification information; and transmitting the precoded data to the receiver by using the multiple antennas. | 06-16-2011 |
20110149857 | METHOD OF TRANSMITTING USING PHASE SHIFT-BASED PRECODING AND AN APPARATUS FOR IMPLEMENTING THE SAME IN A WIRELESS COMMUNICATION SYSTEM - A method of transmitting data using a plurality of subcarriers in a multi-antenna wireless communication system is disclosed. More specifically, the method includes receiving feedback information from a mobile station (MS), performing channel encoding and modulation independently on user data to be transmitted by each antenna using the received feedback information, determining a phase shift-based precoding matrix for increasing a phase angle of the user data by a fixed amount, and performing precoding using the determined phase shift-based precoding matrix on the user data. | 06-23-2011 |
20110194650 | METHOD OF TRANSMITTING USING PHASE SHIFT-BASED PRECODING AND AN APPARATUS FOR IMPLEMENTING THE SAME IN A WIRELESS COMMUNICATION SYSTEM - A method of transmitting data using a plurality of subcarriers in a multi-antenna wireless communication system is disclosed. More specifically, the method includes receiving feedback information from a mobile station (MS), performing channel encoding and modulation independently on user data to be transmitted by each antenna using the received feedback information, determining a phase shift-based precoding matrix for increasing a phase angle of the user data by a fixed amount, and performing precoding using the determined phase shift-based precoding matrix on the user data. | 08-11-2011 |
20120269295 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN MULTIPLE ANTENNA SYSTEM - A method of transmitting control information includes dividing frequency bandwidth into ranges to which the same PMI (precoding matrix index) is applied, obtaining multiple antenna information by the range to which the same PMI is applied and transmitting the multiple antenna information. Since multiple antenna information is transmitted by the unit of a range to which the same PMI is applied, radio resources allocated for transmitting the multiple antenna information may be reduced, thereby enhancing data transmission efficiency. | 10-25-2012 |
20150263798 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN MULTIPLE ANTENNA SYSTEM - A method of transmitting control information includes dividing frequency bandwidth into ranges to which the same PMI (precoding matrix index) is applied, obtaining multiple antenna information by the range to which the same PMI is applied and transmitting the multiple antenna information. Since multiple antenna information is transmitted by the unit of a range to which the same PMI is applied, radio resources allocated for transmitting the multiple antenna information may be reduced, thereby enhancing data transmission efficiency. | 09-17-2015 |
20150358591 | SECURITY METHOD USING IMAGE FRAME, DEVICE FOR EXECUTING THE METHOD, AND RECORDING MEDIUM THAT STORES THE METHOD - A security method using an image frame executed in a terminal device connected to an image photographing device includes step of receiving an image frame generated according to a preset frame generation condition from the image photographing device, step of determining whether an event occurrence condition is satisfied, and step of recording and storing the image frame by adjusting the number of frames recorded per unit time according to the determination result. Therefore, by recording and storing an image frame that adjusts the number of frames recorded per unit time at an internal memory or by storing an image frame that adjusts the number of frames recorded per unit time at a cloud server by determining a situation of an image frame received from an image photographing device, even if a smart phone is robbed by a crime participant, a crime situation can be determined. | 12-10-2015 |
Patent application number | Description | Published |
20130157427 | ETCHING COMPOSITION AND METHOD FOR FABRICATING SEMICONDUCTOR DEVICE USING THE SAME - The present invention provides an etching composition, comprising a silyl phosphate compound, phosphoric acid and deionized water, and a method for fabricating a semiconductor, which includes an etching process employing the etching composition. The etching composition of the invention shows a high etching selectivity for a nitride film with respect to an oxide film. Thus, when the etching composition of the present invention is used to remove a nitride film, the effective field oxide height (EEH) may be easily controlled by controlling the etch rate of the oxide film. In addition, the deterioration in electrical characteristics caused by damage to an oxide film or etching of the oxide film may be prevented, and particle generation may be prevented, thereby ensuring the stability and reliability of the etching process. | 06-20-2013 |
20140105716 | APPARATUS FOR TRANSFERRING SUBSTRATES - The present invention relates to an apparatus for transferring a substrate. The apparatus includes a supporting member; an elevating and rotating member; a transferring unit; a first arm whose one end is supported by the elevating and rotating member to be rotatable; a second arm whose one end is supported by the transferring unit to be rotatable and whose the other end is supported by the other end of the first arm to be rotatable; and an arm driving part, installed on the first arm, which drives the other end of the second arm to pivot on the other end of the first arm to allow the first arm and the second arm to be folded or unfolded and thus removes the state of singularity by rotating the other end of the second arm based on the other end of the first arm. | 04-17-2014 |
20150037127 | APPARATUS FOR TRANSFERRING SUBSTRATES - The present invention relates to an apparatus for transferring a substrate. The apparatus includes a supporting member; an elevating and rotating member; a transferring unit; a first arm whose one end is supported by the elevating and rotating member to be rotatable; a second arm whose one end is supported by the transferring unit to be rotatable and whose the other end is supported by the other end of the first arm to be rotatable; and an arm driving part, installed on the first arm, which drives the other end of the second arm to pivot on the other end of the first arm to allow the first arm and the second arm to be folded or unfolded and thus removes the state of singularity by rotating the other end of the second arm based on the other end of the first arm. | 02-05-2015 |
20150050112 | APPARATUS FOR TRANSFERRING SUBSTRATES - The present invention relates to an apparatus for transferring a substrate. The apparatus includes a supporting member; an elevating and rotating member; a transferring unit; a first arm whose one end is supported by the elevating and rotating member to be rotatable; a second arm whose one end is supported by the transferring unit to be rotatable and whose the other end is supported by the other end of the first arm to be rotatable; and an arm driving part, installed on the first arm, which drives the other end of the second arm to pivot on the other end of the first arm to allow the first arm and the second arm to be folded or unfolded and thus removes the state of singularity by rotating the other end of the second arm based on the other end of the first arm. | 02-19-2015 |
Patent application number | Description | Published |
20140152553 | METHOD OF DISPLAYING CONTENT AND ELECTRONIC DEVICE FOR PROCESSING THE SAME - A method in an electronic device comprises when a display unit is deformed, determining a display area visible to a user, and displaying content on the confirmed display area. An apparatus for displaying content on an electronic device comprises a processing circuit configured to detect that a flexible display unit is bended, recognize at least a part of a user's body, determine which display area is visible to the user based on the user position; and move at least part of content on the visible display area. | 06-05-2014 |
20140201680 | SPECIAL CHARACTER INPUT METHOD AND ELECTRONIC DEVICE THEREFOR - A method and apparatus for inputting special characters which are paired in an electronic device. The method includes detecting input of at least one first special character, determining at least one second special character corresponding to the at least one first special character, displaying the at least one second special character, and inputting the at least one second special character when selection of the at least one special character is sensed. | 07-17-2014 |
20140235290 | METHOD OF CONTROLLING SOUND INPUT AND OUTPUT, AND ELECTRONIC DEVICE THEREOF - A method employed by an electronic device comprising establishing communication between the electronic device and a sound processing device to activate sound input and output units of the sound processing device and deactivate sound input and output units of the electronic device. At least one item of measurement information of the electronic device is acquired and it is determined whether the measurement information item value satisfies a predetermined condition. In response to the measurement information satisfying the predetermined condition, the sound input and output units of the sound processing device are deactivated and the sound input and output units of the electronic device are activated. | 08-21-2014 |
20140281949 | APPARATUS AND METHOD FOR CASE CONVERSION - An apparatus and a method of changing a character in a terminal, capable of conveniently changing a capital letter and a small letter of an input word, includes a controller that, whenever a change key is entered after a specific word is selected in an input mode, is configured to sequentially perform a change in a first character among characters of the specific word to a capital letter or a small letter, a change in entire characters of the specific word to capital letters, and a change of the entire characters of the specific word to small letters. | 09-18-2014 |
20150253962 | APPARATUS AND METHOD FOR MATCHING IMAGES - A method for matching images includes displaying a first image including one or more objects on a screen; and receiving an input to select at least one of the one or more objects, searching for at least one second image that matches the selected at least one, using image information of the first image, and displaying at least one second image on the screen. An electronic device includes a screen configured to display a first image including one or more objects, a sensor configured to detect a user input to select at least one of the one or more objects, a controller configured to, search for at least one second image that matches the selected at least one, using image information of the first image, and cause the screen display at least one second image on the screen. Other embodiments are also disclosed. | 09-10-2015 |
Patent application number | Description | Published |
20100177795 | APPARATUS AND METHOD FOR STABILIZING FREQUENCY OF LASER - A frequency-stabilized laser apparatus and a method for stabilizing the frequency of a laser are disclosed. A semiconductor laser emits a beam. An external reflector has a resonance frequency and feeds back the emitted beam to the semiconductor laser if the frequency of the emitted beam is equal to the resonance frequency. An interference signal generator generates an interference signal for detecting the wavelength of the emitted beam and a controller detects the wavelength of the beam from the generated interference signal. According to the frequency-stabilized laser apparatus and the method for stabilizing the frequency of the laser, it is possible to stabilize the frequency of the beam emitted from the semiconductor laser and output the beam having the stable frequency for a long period of time. | 07-15-2010 |
20100182614 | SHAPE MEASUREMENT APPARATUS AND METHOD - A shape measurement apparatus and method using a laser interferometer are disclosed. The shape measurement apparatus includes a plurality of laser devices, which generate beams, emit a beam of a specific frequency from among the generated beams, and output interference signals for detecting wavelengths of the generated beams, and a controller for detecting the wavelengths of the generated beams from the outputted interference signals, and controlling the laser devices on the basis of the detected wavelengths. The optical unit projects the beam of the laser device on a target object, and generates an interference pattern of the object. Several shutters are closed and opened. If the shutters are closed, they prevent the beam of each laser device to be projected on the optical unit. An image pickup unit captures the interference pattern. | 07-22-2010 |
20130113925 | SPATIAL PHASE SHIFTING INTERFEROMETER USING MULTI WAVELENGTH - Provided is a spatial phase shifting interferometer using a multi wavelength. More particularly, provided is a spatial phase shifting interferometer using a multi wavelength capable of more rapidly measuring a precise shape of a measurement object by simultaneously oscillating laser having different wavelengths and passing oscillated laser through a beam splitter and a lens to analyze an interference fringe of the measurement object. | 05-09-2013 |
20130206992 | DEVICE AND METHOD FOR MEASURING VIA HOLE OF SILICON WAFER - The present invention pertains to a device and a method for measuring a via hole of a silicon wafer, wherein it is possible to precisely measure the depth of the via hole without damaging the wafer. Broadband infrared light is radiated to a silicon wafer which has a superior light transmission property, so that the depth of the via hole may be measured from the light which is reflected from each boundary surface of the wafer and the interference signal of reference light. The via hole measuring device according to the present invention includes: a light source unit for generating broadband infrared light; and an interferometer for radiating the light generated from the light source unit to a silicon wafer, so as to measure the depth of a via hole formed on the wafer according to the spectrum period of the interference signal of the light, which is reflected from the silicon wafer. | 08-15-2013 |
20140341373 | METHOD OF GENERATING MESSAGE AUTHENTICATION CODE AND AUTHENTICATION DEVICE AND AUTHENTICATION REQUEST DEVICE USING THE METHOD - Provided are a method of generating a message authentication code and an authentication device and an authentication request device using the method. The method includes generating a second secret key by encrypting seed data, a first secret key, and first auxiliary data using an encryption algorithm; and encrypting the seed data, the second secret key, and second auxiliary data using the encryption algorithm, wherein the encryption algorithm receives data of a preset base number of bits and encrypts the received data, and the number of bits of the second auxiliary data varies according to a difference between the number of bits of the first secret key and the number of bits of the second secret key. | 11-20-2014 |
20150069225 | ABSOLUTE POSITION MEASUREMENT METHOD, ABSOLUTE POSITION MEASUREMENT APPARATUS AND SCALE - Provided are an absolute position measurement method, an absolute position measurement apparatus, and a scale. The scale includes a scale pattern formed by replacing repeatedly arranged pseudo-random-codes with a sequence of a linear feedback shift register of N stages using a first symbol with first width representing a first state and a second symbol with second width representing a second state. The first is divided into two or more first symbol areas of different structures, and the second symbol is divided into two or more second symbol areas of different structures. There is at least one overlap area in which the first symbol and the second symbol overlap each other to have the same structure. | 03-12-2015 |
Patent application number | Description | Published |
20120026137 | DRIVING APPARATUS AND DRIVING METHOD OF DISPLAY DEVICE - A driving apparatus of a display device includes a signal controller including a plurality of driving circuit blocks, where the signal controller receives an image signal, input control signals from an outside and a data driver which receives data driving signals output from the signal controller, where a data transmission clock input to at least one of the plurality of driving circuit blocks of the signal controller is inactive during a blank period of at least one of the input control signals. | 02-02-2012 |
20120169698 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a display panel which displays an image at a first driving frequency in a normal mode or at a second driving frequency less than the first driving frequency in a low-voltage mode; a data driver which provides a data voltage to the display panel; a gate driver which sequentially applies gate signals to the display panel in response to a first gate control signal or a second gate control signal; and a timing controller which provides the first gate control signal to the gate driver in the normal mode, and provides the second gate control signal to the gate driver in the low-voltage mode, where the second gate control signal has a frequency less than the first gate control signal and has a high period having a length substantially equal to a length of a high period of the first gate control signal. | 07-05-2012 |
20120249522 | METHOD OF PROCESSING THREE-DIMENSIONAL IMAGE DATA AND A DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of processing three-dimensional image data includes demodulating a first transmission signal into image data which is image data for a left-eye or image data for a right-eye, wherein the first transmission signal is received during an enable period of a frame; demodulating a second transmission signal into identification data, where the second transmission signal is received during a blanking period of the frame, and the identification data identifies the image data of a subsequent frame; identifying whether the image data of the subsequent frame is the image data for the left-eye or the image data for the right-eye based on the identification data; and processing the image data based on an identified result from the identifying whether the image data of the subsequent frame is the image data for the left-eye or the image data for the right-eye. | 10-04-2012 |
20120249528 | APPARATUS AND METHOD FOR TRACKING AUGMENTED REALITY CONTENT - Provided are an apparatus and method for tracking augmented reality content using a mobile sensor. The method includes recognizing an augmented reality marker from an input image and calculating a position and posture of the recognized augmented reality marker, calculating a position and posture of augmented reality content corresponding to the augmented reality marker using the calculated position and posture of the augmented reality marker, synthesizing the augmented reality content with the input image using the calculated position and posture of the augmented reality content, and displaying the synthesized image, updating the position and posture of the augmented reality content using a 6-axis sensor when the augmented reality marker is not recognized in the input image; and synthesizing the augmented reality content with the input image using the updated position and posture of the augmented reality content, and displaying the synthesized image. | 10-04-2012 |
20120249605 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THEREOF - A liquid crystal display includes: a liquid crystal panel including a first region and a second region; a first signal controller which generates a first representative value representing image signals of the first region; a second signal controller which generates a second representative value representing image signals of the second region and transmits the second representative value to the first signal controller; a light source unit which irradiates light to the liquid crystal panel; and a light source driver which controls luminance of the light source unit. The first signal controller transmits a luminance of the light source unit to the light source driver. The luminance of the light source unit is calculated from the first representative value and the second representative value. | 10-04-2012 |
20120293495 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of driving a display panel includes outputting a data voltage of a first-eye data frame to a plurality of data lines of the display panel in a first normal frame, and outputting a partial line data voltage of the first-eye data frame to a first partial line of the plurality of data lines of the display panel in a first partial frame, where a polarity of the partial line data voltage of the first-eye data frame in the first partial frame is substantially the same as a polarity of the data voltage of the first-eye data frame outputted to the first partial line of the plurality of data lines in the first normal frame, and where an interval of the first partial frame is less than an interval of the first normal frame. | 11-22-2012 |
20130038621 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 02-14-2013 |
20130038639 | DISPLAY DEVICE AND A DRIVING METHOD THEREOF - A display device including a display panel displaying a still image and a moving image and a signal controller controlling signals to drive the display panel, wherein the signal controller includes a frame memory storing image data of the still image and providing the image data to the display panel, and the display panel is driven with a first scan ratio when displaying the moving image and is driven with a second scan ratio that is lower than the first scan ratio when displaying the still image. | 02-14-2013 |
20130299222 | ELECTRODE MEMBER AND TOUCH WINDOW INCLUDING THE SAME - Disclosed is an electrode member. The electrode member includes a substrate, and an electrode provided in the shape of a mesh on the substrate. | 11-14-2013 |
20140144881 | NANOWIRE MANUFACTURING METHOD - Provided is a nanowire manufacturing method, comprising forming a plurality of grid patterns on a substrate, forming a nanowire on the grid patterns, and separating the grid pattern and the nanowire. According to the present invention, the width and height of the nanowire can be adjusted by controlling the wet-etching process time period, and the nanowire can be manufactured at a room temperature at low cost, the nanowire can be mass-manufactured and the nanowire with regularity can be manufactured even in case of mass production. | 05-29-2014 |
20140335328 | NANOWIRE MANUFACTURING DEVICE HAVING NANOWIRE MANUFACTURING SUBSTRATE AND NANOWIRE ADHESIVE FILM AND NANOWIRE MANUFACTURED USING THE SAME - Provided is a nanowire manufacturing substrate, comprising a grid base layer on a substrate and a grid pattern formed by patterning the grid base layer, the grid pattern being disposed to produce a nanowire on a surface thereof. According to the present invention, the width and height of the nanowire can be adjusted by controlling the wet-etching process time period, and the nanowire can be manufactured at a room temperature at low cost, the nanowire can be mass-manufactured and the nanowire with regularity can be manufactured even in case of mass production. | 11-13-2014 |
20150371609 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 12-24-2015 |
20160042217 | FINGERPRINT SENSOR AND TOUCH DEVICE INCLUDING THE SAME - A fingerprint sensor includes a piezoelectric substrate, and an electrode on the piezoelectric substrate. The electrode includes a first electrode and a second electrode on at least one of one surface of the piezoelectric substrate and an opposite surface opposite to the one surface. The electrode includes a node area in which the first electrode crosses the second electrode, and the node area transmits and receives a signal by an object that makes contact with the node area or approaches the node area in a direction of the piezoelectric substrate. The fingerprint sensor includes a substrate including a first area to a fourth area. At least one of first and second electrodes is provided in the first area to the third area, and a chip connected with the first and second electrodes is provided in the fourth area. | 02-11-2016 |