Patent application number | Description | Published |
20080309602 | Video display device capable of compensating for display defects - A video display device capable of compensating for display defects, comprising: liquid crystal panel for displaying an image through a pixel matrix; a data driver for outputting data to data lines of the liquid crystal display panel; a gate driver for driving the gate lines of the liquid crystal display panel; a timing controller for receiving compensated data, uncompensated data and synchronizing signals to output a gate control signal to the gate driver and to output both resultant data and a data control signal to the data driver; and a memory for storing information on point defect information on the liquid crystal display panel, and at least one of horizontal and vertical line defects of the liquid crystal display panel of the liquid crystal display panel; and a data compensation circuit for receiving display data and synchronizing signals, and outputting compensated data to the timing controller based on the information in the memory and uncompensated data to the timing controller, wherein the data compensation circuit includes a vertical line compensator for compensating a vertical line defect of the liquid crystal display panel, a horizontal line compensator for compensating a horizontal line defect of the liquid crystal display panel, and a multiplexer for selecting an output from one of the vertical line compensator and the horizontal line compensator in accordance with whether a defect is a vertical line defect or a horizontal line defect. | 12-18-2008 |
20090303227 | Video display capable of compensating for display defects - A video display device includes a display panel; a memory storing defect information for compensating data to be displayed on defect regions of the display panel; a compensation circuit comprising a first compensator that compensates the data to be displayed on the defect regions using the defect information from the memory, and a second compensator that finely compensates the data compensated by the first compensator using a first dither pattern, the compensation circuit supplying data to be displayed on normal regions without compensation; a timing controller comprising a dithering unit for finely compensating data output from the compensation circuit, using a second dither pattern having a size larger that a size of the first dither pattern; and a panel driver for driving the display panel under a control of the timing controller. | 12-10-2009 |
20100053185 | Video display device capable of compensating for display defects - A video display device including an integrated atypical/typical defect compensation circuit is disclosed. The video display device includes a display panel, a memory storing atypical/typical defect information used to compensate atypical/typical defect regions of the display panel, and an integrated atypical/typical compensation circuit including a first compensator for compensating input data to be displayed on the atypical/typical defect regions, using the atypical/typical defect information from the memory, and a second compensator for finely compensating the data compensated by the first compensator, using first and second dithering patterns. The compensation circuit supplies data to be displayed on normal regions, without compensation. The video display device also includes a timing controller including a dithering unit for finely compensating data output from the integrated atypical/typical compensation circuit, using a third dithering pattern different from the first and second dithering patterns, and a panel driver for driving the display panel under a control of the timing controller. | 03-04-2010 |
20100053204 | Method for setting compensation region for irregular deffect region in manage display device - The present invention relates to a method for setting a compensation region for an irregular defect region in an image display device, including the steps of detecting an irregular display defect, setting a horizontal width of the irregular defect region detected thus, generating a plurality of guide lines which divide the irregular defect region in a horizontal direction along the horizontal width set thus automatically, setting upper and lower side boundary lines to the irregular defect region at every interval of the plurality of the guide lines to generate a plurality of main compensation regions defined by the plurality of guide lines and the upper and lower side boundary lines, and generating a plurality of upper, lower, left, and right supplementary compensation regions at upper, lower, left, and right sides of the plurality of main compensation regions, which maintain a gap of each of the plurality of the guide lines, automatically. | 03-04-2010 |
Patent application number | Description | Published |
20080224992 | ELECTROPHORETIC DISPLAY AND METHOD OF DRIVING THE SAME - In an electrophoretic display, a display panel includes a first electrode receiving a data voltage, a second electrode receiving a common voltage while facing the first electrode and a plurality of pixels each of which includes charged particles arranged between the first electrode and the second electrode. The display panel receives the data voltage in response to a gate signal at a high state during a data output period to display an image, maintains a current image in response to the gate signal at a low state during a maintaining period, and receives a refresh voltage in response to the gate signal at the high state to reset the image. Thus, the electrophoretic display may prevent distortion of the image during the maintaining period. | 09-18-2008 |
20090066636 | ELECTRO-OPTIC DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - Disclosed is an electrophoretic display device including an electrophoretic display panel, a gate driver to supply a scan signal to a gate line of the electrophoretic display panel for a longer time during a refresh period than during a data output period, a data driver to supply at least one of a refresh voltage and a data voltage to a data line of the electrophoretic display panel, and a timing controller to supply a gate control signal and a data control signal to the gate driver and the data driver, respectively, and a method of driving the electrophoretic display device. | 03-12-2009 |
20100120607 | Glass-Free Microwave Dielectric Ceramics and the Manufacturing Method Thereof - A glass-free microwave dielectric ceramic that can be sintered at low temperature, and a manufacturing method thereof are provided. The glass-free microwave dielectric ceramic composition includes a composition represented by a formula, M | 05-13-2010 |
20110232524 | CERAMIC INK FOR MANUFACTURING CERAMIC THICK FILM BY INKJET PRINTING - The present invention discloses a ceramic ink having an improved refill rate, which enables the manufacture of a ceramic thick film having delicate and improved ceramic properties. To this end, the ceramic ink of the present invention contains a certain amount of a solvent in which ceramic powder is dispersed, and the particles of the ceramic powder have on average a ratio of less than 20% in difference value between the maximum vertical length Dv and the maximum horizontal length Dh with respect to the maximum horizontal length Dh of the cross section of the particle. Also, in case of the presence of a plurality of interior angles at the circumference of the cross section, the maximal angle can be less than 135° among the interior angles. In addition, the solvent can be one or more mixtures selected from the group consisting of a mixture of ethylene glycol monomethyl ether and dipropylene glycol monomethyl ether, a mixture of NN-dimethylformamide and formamide, a mixture of acetonitrile and butanol, a mixture of nitromethane and butanol, and a mixture of water and N,N-dimethylformamide. | 09-29-2011 |
20110245064 | NON-SINTERED METAL-INSULATOR-METAL CAPACITOR AND METHOD OF MANUFACTURING THE SAME - The present disclosure relates to a non-sintering metal-insulator-metal (MIM) capacitor and a method of manufacturing the same. The method of manufacturing a non-sintered MIM capacitor includes manufacturing a lower metal-insulator-upper metal structure, wherein the insulator is formed by a non-sintering process comprising: preparing a ceramic-polymer composition comprising a highly dielectric ceramic powder, a polymer resin, and a solvent, the highly dielectric ceramic powder comprising small powder and large powder having a larger average particle size than the small powder; forming a ceramic-polymer film by depositing the ceramic-polymer composition on the lower metal; and curing the polymer resin in the ceramic-polymer film. | 10-06-2011 |
20120094206 | Solid oxide fuel cells and manufacturing method thereof - Provided are a solid oxide fuel cell and a method of manufacturing the same. The solid oxide fuel cell in which at least one or more unit modules are stacked and integrated with each other includes first and second solid electrolyte layers in which each of the unit modules includes a plurality of fuel electrodes spaced a predetermined distance from each other and each having a strip shape and first and second supports each including a plurality of slits each having the same strip shape as that of each of the fuel electrodes. The first and second solid electrolyte layers overlap with each other on lower and upper sides of the first support so that the fuel electrodes face each other within the slits of the first support, and the second support overlaps with a lower side of the first or second solid electrolyte layer overlapping with the lower side of the first support so that the slits of the second support are disposed perpendicular to the slits of the first support. The slits of the first and second supports define fuel paths and air paths, respectively. | 04-19-2012 |
20120135507 | BIOCHIP MODULE WITH CERAMIC LAMINATE STRUCTURE AND METHOD OF MANUFACTURING THE SAME - The present disclosure provides a biochip module having a ceramic laminate structure which uses advantages of ceramic and enables a reduction in a chip area, and a method of manufacturing the same. The biochip module includes a first ceramic layer mixing bacterial water with magnetic beads to which ligands capturing bacteria are attached, a second ceramic layer separating the magnetic beads capturing bacteria from the water, and a third ceramic layer detecting the number of bacteria captured by the magnetic beads. | 05-31-2012 |
20120244626 | NANOHYBRID NITROGEN MONOXIDE DETECTING SENSOR AND A PRODUCTION METHOD THEREFOR - The present invention provides a nanohybrid type nitrogen monoxide detecting sensor and a production method therefor in which the nanohybrid type nitrogen monoxide detecting sensor includes a fluorescent semiconducting quantum dot and a transition metal compound. | 09-27-2012 |
20130211838 | APPARATUS AND METHOD FOR EMOTIONAL VOICE SYNTHESIS - The present disclosure provides an emotional voice synthesis apparatus and an emotional voice synthesis method. The emotional voice synthesis apparatus includes a word dictionary storage unit for storing emotional words in an emotional word dictionary after classifying the emotional words into items each containing at least one of an emotion class, similarity, positive or negative valence, and sentiment strength; voice DB storage unit for storing voices in a database after classifying the voices according to at least one of emotion class, similarity, positive or negative valence and sentiment strength in correspondence to the emotional words; emotion reasoning unit for inferring an emotion matched with the emotional word dictionary with respect to at least one of each word, phrase, and sentence of document including text and e-book; and voice output unit for selecting and outputting a voice corresponding to the document from the database according to the inferred emotion. | 08-15-2013 |
Patent application number | Description | Published |
20090155942 | HYBRID METAL BONDED VERTICAL CAVITY SURFACE EMITTING LASER AND FABRICATING METHOD THEREOF - Provided is a method of fabricating a vertical cavity surface emitting laser among semiconductor optical devices, comprising: bonding a dielectric mirror layer to an epi-structure having a mirror layer and an active layer; bonding these on a new substrate using a metal bonded method; removing the existing substrate; and fabricating a vertical cavity surface emitting laser on the new substrate. The method of fabricating the vertical cavity surface emitting laser is performed by moving and attaching a vertical cavity surface emitting laser to a new substrate using an external metallic bonding method, without electrically and optically affecting upper and lower mirrors and an active layer that constitutes the vertical cavity surface emitting laser. While using the existing method of fabricating the vertical cavity surface emitting laser, the VCSEL is fabricated by moving to a new substrate having good thermal characteristics so that good heat emission characteristics are accomplished, thus facilitating manufacture of the vertical cavity surface emitting laser having high reliability and good characteristics. | 06-18-2009 |
20100047694 | SECONDARY BATTERY OF IMPROVED HIGH-RATE DISCHARGING PROPERTIES - Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer (“additive”) to a cathode mix and/or an electrolyte. | 02-25-2010 |
20100104930 | JELLY-ROLL HAVING ACTIVE MATERIAL LAYER WITH DIFFERENT LOADING AMOUNT - Disclosed herein is a jelly-roll type electrode assembly (“jelly-roll”) of a cathode/separator/anode structure, wherein the jelly-roll is constructed in a structure in which each electrode has active material layers formed on opposite major surfaces of a sheet-type current collector, the loading amount of an active material for the inner active material layer, constituting the inner surface of each sheet when each sheet is wound, is less than that of an active material for the outer active material layer, constituting the outer surface of each sheet when each sheet is wound, and the loading amount of the active material for the inner active material layer gradually increases from the central region of each wound sheet to the outermost region of each wound sheet. | 04-29-2010 |
20100132842 | METHOD FOR IMPROVING SURFACE PROPERTIES OF THE STAINLESS STEELS FOR BIPOLAR PLATE OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL - Disclosed is a method for improving surface properties of the stainless steels for bipolar plate of polymer electrolyte membrane fuel cell having low interfacial contact resistance and excellent corrosion resistance. The method for improving surface properties of the stainless steels according to one exemplary embodiment of the present invention includes: pickling a stainless steel with an aqueous sulfuric acid solution, the stainless steel comprising, by weight: C: 0.02% or less, N: 0.02% or less, Si: 0.4% or less, Mn: 0.2% or less, P: 0.04% or less, S: 0.02% or less, Cr: 25-32%, Mo: 0.1 to 5%, Cu: 0.1 to 2%, Ti: 0.5% or less, Nb: 0.5% or less, and the balance of Fe and other inevitable elements, and then washing the stainless steel with water, and then immersing the stainless steel in a mixture solution of nitric acid and hydrofluoric acid to form a passivation layer. | 06-03-2010 |
20130065111 | APPARATUS AND METHOD FOR ENHANCING IMPREGNATION WITH ELECTROLYTE IN SECONDARY BATTERY - An apparatus for enhancing impregnation of the electrolyte in a secondary battery includes a tray in which at least one battery cell is received, and an oscillation and rotation unit capable of oscillating and rotating the tray simultaneously. | 03-14-2013 |
20130209865 | Cathode For Lithium Secondary Battery And Lithium Secondary Battery Comprising The Same - Disclosed is a cathode for a lithium secondary battery and a lithium secondary battery comprising the same. The cathode may include a current collector, a first composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the current collector, and a second composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the first composite layer. A specific surface area of the olivine-type lithium iron phosphate cathode active material powder in the second composite layer may be at least 1.2 times larger than that of the olivine-type lithium iron phosphate cathode active material powder in the first composite layer. The cathode for a lithium secondary battery has excellent safety, high energy density, and high output performance. | 08-15-2013 |
20130216897 | CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode for a lithium secondary battery and a lithium secondary battery comprising the same. The cathode for a lithium secondary battery may include a current collector, a first composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the current collector, and a second composite layer formed from a mixture of olivine-type lithium iron phosphate cathode active material powder and a binder on the first composite layer. A specific surface area of the olivine-type lithium iron phosphate cathode active material powder in the second composite layer may be 0.8 times or less that of the olivine-type lithium iron phosphate cathode active material powder in the first composite layer. The cathode for a lithium secondary battery has excellent stability, high energy density, and improved cycle life characteristics. | 08-22-2013 |
Patent application number | Description | Published |
20100237374 | Transparent Organic Light Emitting Diode Lighting Device - Provided is a transparent organic light emitting diode (OLED) lighting device in which opaque metal reflectors are formed to adjust light emitting directions. The transparent OLED lighting device includes a transparent substrate, a transparent anode formed on a predetermined region of the transparent substrate, a reflective anode formed adjacent to the transparent anode on another region of the transparent substrate, an organic layer formed on the transparent and reflective anodes, and a transparent cathode and an encapsulation substrate sequentially stacked on the organic layer. Directions of light emitted from the organic layer vary depending on the current applied to the transparent and reflective anodes. | 09-23-2010 |
20110095702 | STACKED ORGANIC LIGHT-EMITTING DEVICE - A stacked organic light-emitting device is provided. The stacked organic light-emitting device includes a first electrode, first and second light-emitting units formed under and on the first electrode respectively, transparent or semi-transparent second and third electrodes formed under the first light-emitting unit and on the second light-emitting unit respectively, and having the same polarity, and a drive controller electrically connected with the first, second and third electrodes to connect the first and second light-emitting units in parallel, and capable of controlling at least one of the first and second light-emitting units to emit light. Accordingly, the organic light-emitting device has a lower driving voltage than a conventional stacked light-emitting device in which light-emitting units are serially connected. | 04-28-2011 |
20110115367 | ORGANIC LIGHT EMITTING DIODE USING PHASE SEPARATION AND METHOD OF FABRICATING THE SAME - Provided are an organic light emitting diode (OLED) using phase separation and a method of fabricating the same. The method includes preparing a transparent substrate. A first light path control layer is formed on the transparent substrate. The first light path control layer includes a mixture of a first medium and a second medium having a lower refractive index than the first medium using the phase separation. An anode, an organic emission layer, and a cathode are sequentially stacked on the first light path control layer. In this method, an OLED with improved light extraction efficiency can be fabricated using a simple and inexpensive process. | 05-19-2011 |
20110248309 | ORGANIC-LIGHT-EMITTING-DIODE FLAT-PANEL LIGHT-SOURCE APPARATUS AND METHOD OF MANUFACTURING THE SAME - Provided are an organic-light-emitting-diode (OLED) flat-panel light-source apparatus and a method of manufacturing the same. The device includes an anode and a cathode, to which externally applied power is supplied, disposed on a substrate, an organic emission layer (EML) interposed between the anode and the cathode and configured to emit light due to power supplied through the anode and the cathode, and a subsidiary electrode layer including a plurality of subsidiary electrodes bonded to the anode or the cathode and configured to supply power to the anode or the cathode or electrically insulated from the anode or the cathode and configured to supply power to other emission regions. | 10-13-2011 |
20110260148 | TRANSMISSIVE ORGANIC LIGHT EMITTING DIODE AND TRANSMISSIVE LIGHTING DEVICE USING THE SAME - A transmissive organic light emitting diode (OLED) with improved external light efficiency and a transmissive lighting device including the same are provided. The OLED includes a transparent anode formed on a substrate, an organic emission layer formed on the transparent anode, a cathode formed on the organic emission layer, and a light extraction enhancing layer formed on the transparent cathode, and configured to change a path of light generated from the organic emission layer to enhance light extraction efficiency of the OLED. The external light extraction efficiency is enhanced in both-sided or single-sided emission of the OLED and the external light extraction efficiencies of bottom and top surfaces of the OLED are selectively or simultaneously enhanced. An external light extraction ratio between the bottom and top surfaces in both-sided emission is controlled. | 10-27-2011 |
20110279021 | ORGANIC LIGHT EMITTING DIODE PANEL FOR LIGHTING - Provided is an organic light emitting diode (OLED) panel for lighting, including an organic layer emitting light by reaction in response to power supplied by a positive electrode and a negative electrode, a protection cap protecting the organic layer from external moisture and oxygen, a cover film attached to upper surfaces of the positive electrode and negative electrode, and serving as a ground for the positive electrode and the negative electrode, and a conductive metal layer grounding the positive electrode and the negative electrode to the cover film. | 11-17-2011 |
20110310458 | TRANSPARENT SMART LIGHT SOURCE CAPABLE OF ADJUSTING ILLUMINATION DIRECTION - A transparent smart light source capable of adjusting an illumination direction is provided. The transparent smart light source includes a reflectance/transmittance tunable device that adjusts an illumination direction by reflecting or transmitting light emitted from a transparent organic light-emitting diode (OLED) according to applied voltage, and thus can simply adjust the illumination direction according to purpose. Accordingly, it is possible to prevent optical loss in an unnecessary direction, and power consumption can be reduced. Furthermore, the transparent smart light source can serve as a curtain blocking out external light, as well as a lighting device, and also can be combined with a solar cell to generate electric power. | 12-22-2011 |
20120156957 | METHOD OF FABRICATING AN ORGANIC LIGHT EMITTING DIODE USING PHASE SEPARATION - A method of fabricating an organic light emitting diode using phase separation. The method includes preparing a transparent substrate. A first light path control layer is formed on the transparent substrate. The first light path control layer includes a mixture of a first medium and a second medium having a lower refractive index than the first medium using the phase separation. An anode, an organic emission layer, and a cathode are sequentially stacked on the first light path control layer. In this method, an OLED with improved light extraction efficiency can be fabricated using a simple and inexpensive process. | 06-21-2012 |
20130189895 | METHOD OF MANUFACTURING ORGANIC-LIGHT-EMITTING-DIODE FLAT-PANEL LIGHT-SOURCE APPARATUS - A method of manufacturing an organic-light-emitting-diode (OLED) flat-panel light-source apparatus. The method includes depositing a metal layer on a substrate and patterning the metal layer to form a plurality of subsidiary electrodes, forming an insulating layer on the substrate including the plurality of subsidiary electrodes and forming a first subsidiary electrode layer by etching the insulating layer until some of the plurality of subsidiary electrodes are exposed, and sequentially forming an anode, an organic emission layer (EML), and a cathode on the substrate on which the first subsidiary electrode layer is formed. | 07-25-2013 |
20130341610 | TRANSPARENT ORGANIC LIGHT EMITTING DIODE LIGHTING DEVICE - Provided is a transparent organic light emitting diode (OLED) lighting device in which opaque metal reflectors are formed to adjust light emitting directions. The transparent OLED lighting device includes a transparent substrate, a transparent anode formed on a predetermined region of the transparent substrate, a reflective anode formed adjacent to the transparent anode on another region of the transparent substrate, an organic layer formed on the transparent and reflective anodes, and a transparent cathode and an encapsulation substrate sequentially stacked on the organic layer. Directions of light emitted from the organic layer vary depending on the current applied to the transparent and reflective anodes. | 12-26-2013 |
Patent application number | Description | Published |
20130101647 | PHARMACEUTICAL COMPOSITION IN WHICH SOLUBILITY OF PARTIALLY SOLUBLE TRICYCLIC DERIVATIVE IS IMPROVED - A pharmaceutical composition includes lipid nanoparticles which include two or more of a phospholipid, cholesterol, and an ionic lipid, and a tricyclic derivative, wherein the solubility of the tricyclic derivative is improved. It is possible to solubilize a partially soluble tricyclic derivative in a high concentration even without using a solubilization aid harmful to the human body, to maintain improved solubility even if water is added for the use as an injection, and to show stability even if stored for a long time, by preparing lipid nanoparticles. Therefore, the lipid nanoparticles of the present invention can be used for preparing a pharmaceutical preparation containing a partially soluble tricyclic derivative as an active ingredient. | 04-25-2013 |
20140350007 | CRYSTALLINE FORMS OF TRICYCLIC COMPOUND ACID SALT OR HYDRATE THEREOF, AND METHOD FOR MAKING THEREOF - The present invention relates to a novel crystalline acid salt of a tricyclic derivative or a hydrate thereof and a production method thereof. The crystalline acid salt or the hydrate thereof according to the present invention is stable with respect to humidity and stable with respect to hygroscopicity, and the quality control during manufacturing drugs is favorable. In addition, the crystalline acid salt or the hydrate thereof may be used in a pharmaceutical composition for preventing or treating neuropathic pain, epilepsy, stroke, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis (ALS), Huntington's disease, schizophrenia, chronic and acute pain, ischemic brain injury, neuronal loss after hypoxia, trauma and nerve damage, which are medical conditions induced by PARP overactivity. | 11-27-2014 |
Patent application number | Description | Published |
20110169774 | TOUCH MODULE, DISPLAY DEVICE HAVING THE TOUCH MODULE, AND METHOD FOR DETECTING A TOUCH POSITION OF THE TOUCH MODULE - The present invention relates to a touch module including a light emitting part, a light waveguide, a frustration layer, and a light receiving part. The light emitting part emits light and is disposed along a first direction. The light waveguide includes a first side surface and a second side surface and transmits light incident to the first side surface to the second side surface. The light emitting part is disposed on the first side surface, and the second side surface is disposed opposite to the first side surface along a second direction substantially perpendicular to the first direction. The frustration layer is disposed over the light waveguide and contacts the light waveguide in response to a touch to frustrate a total internal light reflection. The light receiving part is disposed on the second side surface of the light waveguide to detect a position of the touch. The frustration layer includes a plurality of frustration parts, the total internal light reflection is frustrated at a contact surface between a frustration part and the light waveguide, and an area of a first frustration part differs from an area of a second frustration part that is spaced apart from the first frustration part. | 07-14-2011 |
20110216041 | TOUCH PANEL AND TOUCH POSITION DETECTION METHOD OF TOUCH PANEL - A touch panel and a touch position detection method are presented. The touch panel includes: a touch unit, a light source unit array positioned along a first edge of the touch unit and including a first light source and a second light source; and a detection unit array positioned along a second edge and including a detection unit generating a detection signal by detecting light from the light source unit array. The first light source radiates light having a first optical axis, the first optical axis extending in a first direction that makes a first angle with respect to a reference direction, and the second light source radiates light having a second optical axis, the second optical axis extending in a second direction that makes the first angle with respect to the reference direction. The reference direction is perpendicular to the second edge. | 09-08-2011 |
20110221997 | Method of Detecting Touch Position, Touch Position Detecting Apparatus for Performing the Method and Display Apparatus Having the Touch Position Detecting Apparatus - A light waveguide has a rectangular plate shape and is configured to totally reflect internal light arriving at an angle greater than a critical angle. Light emitting parts are disposed at corners of the light waveguide. Each of the light emitting parts emits light once in a period. A first light receiving part is disposed along a first side surface of the light waveguide, and receives light emitted from the light emitting parts adjacent to a second side surface facing the first side surface of the light waveguide. The second light receiving part is disposed along the second side surface of the light waveguide, and receives light emitted from the light emitting parts adjacent to the first side surface. A detecting part detects a touch position based on an amount of the light received by the first and second light receiving parts. | 09-15-2011 |
20120098872 | METHOD OF DRIVING ELECTROPHORETIC DISPLAY PANEL - A method of driving an electrophoretic display panel includes: applying a first voltage having a first polarity with respect to a reference voltage to an electrophoretic display panel to display an N-th image, where N is a natural number; applying the first voltage to the electrophoretic display panel, on which the N-th image is displayed, to display a first full-grayscale image; applying a second voltage having a second polarity with respect to a reference voltage to an electrophoretic display panel, on which the first full-grayscale image is displayed, to display a second full-grayscale image, where the second polarity is opposite to the first polarity; and applying the first polarity voltage to the electrophoretic display panel, on which the second full grayscale image is displayed, to display an (N+1)-th image. | 04-26-2012 |
20130009938 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a first gate driver that applies a gate-on voltage to gate lines of a first gate line group in each period of n first scan periods for a first frame, n being a natural number. A second gate driver applies a gate-on voltage to gate lines of a second gate line group in each period of n second scan periods for a first frame. A data driver applies a data voltage to a plurality of data lines. A signal controller transmits a control signal to the first and second gate drivers and the data driver, wherein an interval between start points of the n first scan periods is gradually decreased according to time, and an interval between start points of the n second scan periods is gradually increased according to time. | 01-10-2013 |
20130314451 | METHOD OF DRIVING A DISPLAY PANEL, DRIVING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS INCLUDING THE DRIVING APPARATUS - A method of driving a display panel includes receiving an input image data, based on which the display panel displays an image, outputting a first image data during N frames corresponding to a first reference time and outputting a second image data during M frames corresponding to a second reference time based on a inversion signal, where N and M are natural number, the first image data has a first polarity equal to a polarity of the input image data, and the second image data has a second polarity inverted from the polarity of the input image data, and skipping a first frame of the first image data and a first frame of the second image data based on the inversion signal. | 11-28-2013 |
20140049458 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes: a first switching element which transmits a first data voltage; a second switching element which transmits a second data voltage; a driving transistor connected to the first switching element and the second switching element, where the driving transistor is driven based on the first data voltage and the second data voltage; and an organic light emitting diode connected to the driving transistor, where the organic light emitting diode emits light based on an output of the driving transistor, and a driving method thereof. | 02-20-2014 |
20140092078 | Display Panel - A display device includes a display area including a gate line and a data line and a gate driver connected to an end of the gate line, the gate driver including at least one stages integrated on a substrate configured to output a gate voltage, in which the stage includes an inverter unit and an output unit, in which the output unit includes a first transistor and a first capacitor. The first transistor includes an input terminal applied with a clock signal, a control terminal connected to the node Q, and an output terminal connected to a gate voltage output terminal through which the gate voltage is output. An inverter voltage output from the inverter is lower than the low voltage of the gate voltage output by the output unit. | 04-03-2014 |
20140160182 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel including a gate line, a data line, and a pixel connected to the gate line and the data line, a data driver connected to the data line, a gate driver connected to the gate line, and a signal controller controlling the data driver and the gate driver, wherein a circuits powering power source voltage that is normally used for driving the data driver is selectively not applied during a new-image blanking time when the signal controller is not supplying image data to the data driver. | 06-12-2014 |
20140218347 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - In a liquid crystal display one pixel is divided into two subpixels, the two subpixels are connected to two subdata lines extending from one data line, and a desired data voltage is applied by using a data driving switching element connected to the subdata line, thereby reducing the number of data lines needed to reduce the cost of the driver and preventing a lack of space to mount the data driver while dividing one pixel into two subpixels and differently applying voltages of the two subpixels. | 08-07-2014 |
20150042547 | GATE DRIVER AND DISPLAY APPARATUS HAVING THE SAME - A gate driver, including multiple stages of gate driving circuits, wherein each stage of the gate driving circuits includes an input part configured to generate a Q node signal in response to a carry signal of one of previous stages and a clock signal, the Q node signal being applied to Q node, an output part configured to output a gate output signal to a gate output terminal in response to the Q node signal, and a charge sharing part connected to the gate output terminal of a present stage and a gate output terminal of one of next stages, the charge sharing part configured to operate charge-sharing between the gate output signal of the present stage and a gate output signal of one of the next stages in response to a select signal. | 02-12-2015 |
20150042689 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - A gate driving circuit and a display apparatus having the gate driving circuit, in which the gate driving circuit includes a voltage adjusting part using a low clock signal to increase the reliability of the gate driving circuit, thereby extending the lifetime of the gate driving circuit. | 02-12-2015 |
20150077407 | GATE DRIVER CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - A gate driver circuit includes an N-th stage (‘N’ is a natural number) The N-th stage (‘N’ is a natural number) includes a pull-up part configured to output an N-th gate signal using a first clock signal in response to a node signal of the control node, a carry part configured to output an N-th carry signal using the first clock signal in response to the node signal of the control node, an first output part connected to an n-th gate line and configured to output an n-th gate signal using the N-th gate signal in response to a second clock signal having a period shorter than the first clock signal (‘n’ is a natural number), and a second output part connected to an (n+1)-th gate line and configured to output an (n+1)-th gate signal using the N-th gate signal in response to an second inversion clock signal having a phase opposite to the second clock signal. | 03-19-2015 |
20150206490 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS INCLUDING THE SAME - A gate driving circuit includes: a pull-up controller applying a carry signal of one of previous stages to a first node in response to the carry signal of the one of the previous stages; a pull-up part outputting a clock signal as an N-th gate output signal; a carry part outputting the clock signal as an N-th carry signal; a first pull-down part pulling down the signal at the first node to a second off voltage; a second pull-down part pulling down the N-th gate output signal to a first off voltage; an inverting part generating an inverting signal based on the clock signal and the second off voltage to output the inverting signal to an inverting node; and a reset part outputting a reset signal to the inverting node. | 07-23-2015 |
20150263722 | GATE DRIVER AND DISPLAY DEVICE INCLUDING THE SAME - A gate driver includes a plurality of stages connected to each other in a cascade manner, where each of the stages includes an input unit which connects a first input terminal and a first node and includes a first input transistor and a second input transistor, where an output terminal of the first input transistor and an input terminal of the second input transistor are connected to a second node, and the input unit further includes a storage capacitor which connects the first input terminal and the second node. | 09-17-2015 |
20150287392 | GATE DRIVING CIRCUIT, DRIVING METOHD FOR GATE DRIVING CIRCUIT AND DISPLAY PANEL USING THE SAME - A stage includes a first transistor including an input terminal to which a clock signal is applied and a control terminal connected to a first node; a first capacitor including terminals respectively connected to the first node and an output terminal of the first transistor; a second transistor including an input terminal connected to the output terminal of the first transistor, a control terminal connected to a second node, and an output terminal to which a low voltage is applied; a third transistor including an output terminal connected to the second node, a control terminal connected to the first node, and an input terminal to which the low voltage is applied; and a fourth transistor including an input terminal connected to the first node and an output terminal to which the low voltage is applied, wherein the fourth transistor is switched according to an output signal of a next stage. | 10-08-2015 |
Patent application number | Description | Published |
20150042383 | STAGE CIRCUIT AND SCAN DRIVER USING THE SAME - A stage circuit includes a first driver, a second driver, a first output unit and a second output unit. The first driver controls voltages of first and second nodes, according to a first power source, a start signal or a carry signal of a previous stage supplied to a first input terminal, a first clock signal supplied to a second input terminal, and a second clock signal supplied to a third input terminal. The second driver controls a voltage of a third node, according to the first power source, a start signal or a carry signal of a previous stage supplied to a first input terminal, a carry signal of a next stage supplied to a fourth input terminal, and the voltage of the second node. | 02-12-2015 |
20150042638 | STAGE CIRCUIT AND SCAN DRIVER USING THE SAME - A stage circuit includes a first driver, a second driver, a first output unit, a second output unit and a controller. The first driver controls voltages of first and second nodes, according to a first power source, a third power source, a start signal or a carry signal of a previous stage input to a first input terminal, and a clock signal supplied to a second input terminal. The second driver controls voltages of third and fourth nodes, according to voltages of the first power source, the third power source, the first input terminal and the first and second nodes. The first output unit outputs a carry signal to a first output terminal, according to voltages of the first power source, the second input terminal and the third and fourth nodes. The second output unit outputs a scan signal to a second output terminal, according to voltages of the second power source, the second input terminal and the third and fourth nodes. The controller is electrically coupled to the first output terminal and the second driver. | 02-12-2015 |
Patent application number | Description | Published |
20110049440 | METHOD OF PREPARING CONDUCTIVE NANO INK COMPOSITION - A method of preparing a conductive nano ink composition. The method includes preparing a low temperature solution by adding a portion of a metal ion solution in a mixture solvent obtained by mixing polyethylene glycol and polyvinyl alcohol, and mixing the rest of the metal ion solution to the low temperature solution. | 03-03-2011 |
20110052997 | NEGATIVE ELECTRODE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING THE SAME - A negative electrode for a lithium battery includes an active material layer and a current collector. The active material layer has a plurality of crystal grains and the plurality of crystal grains include a plurality of pores. A first pore of the plurality of pores has a first length and a second length, the first length being the maximum length orthogonal to the current collector and the second length being the maximum length orthogonal to the first length, and the first length is greater than the second length. | 03-03-2011 |
20110085965 | LITHIUM TITANIUM OXIDE FOR ANODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, METHOD OF PREPARING LITHIUM TITANIUM OXIDE, AND LITHIUM RECHARGEABLE BATTERY INCLUDING LITHIUM TITANIUM OXIDE - A lithium titanium oxide for an anode active material of a lithium rechargeable battery, wherein a X-ray diffraction (XRD) spectrum has a first peak of Li | 04-14-2011 |
20110086275 | LITHIUM TITANIUM OXIDE, METHOD OF PREPARING LITHIUM TITANIUM OXIDE, AND LITHIUM RECHARGEABLE BATTERY INCLUDING LITHIUM TITANIUM OXIDE - A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 μm, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide. | 04-14-2011 |
20110129733 | NEGATIVE ELECTRODE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING NEGATIVE ELECTRODE - A negative electrode for a lithium battery and a lithium battery including the negative electrode, the negative electrode including: a matrix of a Sn grain and a metal M grain; and a carbon-based material grown on the matrix. | 06-02-2011 |
20110151322 | Negative electrode for lithium ion secondary battery and lithium ion secondary battery including the same - A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers. | 06-23-2011 |
20110183202 | Negative Electrode Active Material Containing Nanometal Particles and Super-Conductive Nanoparticles and Lithium Battery Comprising the Negative Electrode Active Material - A negative electrode active material including nanometal particles and super-conductive nanoparticles and a lithium battery including the same. | 07-28-2011 |
20110195308 | Secondary particle and lithium battery including secondary particle - A secondary particle and a lithium battery including the same are provided wherein the secondary particle includes a plurality of primary particles and each primary particle contains n polycyclic nano-sheets disposed upon one another. The polycyclic nano-sheets include hexagonal rings of six carbon atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L | 08-11-2011 |
20110209907 | LIQUID-REPELLENT FILM FORMER, METHOD FOR FORMING LIQUID-REPELLENT FILM, METHOD FOR FORMING FINE WIRING USING THE SAME, AND SUBSTRATE COMPRISING THE SAME - Disclosed are a liquid-repellent film former, a method for forming a liquid-repellent film, a method for forming fine wiring based on the same, and a printed circuit board including the same. The liquid-repellent film former includes a first coupling agent including a compound represented by the following Chemical Formula 1, a second coupling agent including a compound represented by the following Chemical Formula 2, and an alcohol solvent. | 09-01-2011 |
20110274929 | LITHIUM TITANATE AGGREGATE AND METHOD OF PREPARING THE SAME - A lithium titanate aggregate and a method of preparing the same. In the lithium titanate aggregate, a single primary particle has a median diameter (D | 11-10-2011 |
20110274970 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY - A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L | 11-10-2011 |
20110305952 | NEGATIVE ACTIVE MATERIAL, ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING ELECTRODE - A negative active material, an electrode including the same, and a lithium battery including the electrode. The negative active material has no volumetric expansion and has high solubility with respect to lithium. In addition, the negative active material is in the form of spherical particles, and thus does not require a separate granulating process. Moreover, the negative active material may enhance the capacity of a lithium battery. | 12-15-2011 |
20110305956 | ELECTRODE CONDUCTIVE MATERIAL, ELECTRODE MATERIAL INCLUDING THE CONDUCTIVE MATERIAL, AND ELECTRODE AND LITHIUM BATTERY EACH INCLUDING THE ELECTRODE MATERIAL - An electrode conductive material, an electrode material including the electrode conductive material, an electrode including the electrode material, and a lithium battery including the electrode material. When the electrode conductive material is used, the amount of a conductive material required is decreased, capacity of the lithium battery is improved, and a charge and discharge rate is increased. | 12-15-2011 |
20120244439 | LITHIUM TITANATE, NEGATIVE ELECTRODE INCLUDING THE LITHIUM TITANATE, AND SECONDARY LITHIUM BATTERY CONTAINING THE ELECTRODE - A negative electrode for a lithium secondary battery that includes, as a negative active material, a lithium titanate (Li | 09-27-2012 |
20120258368 | NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE ACTIVE MATERIAL - A negative electrode active material, a method of preparing the negative electrode active material and a lithium secondary battery including the negative electrode active material are disclosed. A negative electrode active material includes a lithium titanate, wherein a portion of lithium of the lithium titanate is substituted by at least one selected from the group consisting of Sr, Ba, a mixture thereof and an alloy thereof, and thus a lithium secondary battery including the negative electrode active material may improve high-rate discharge characteristics. | 10-11-2012 |
20130004851 | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING THE SAME, LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE, AND METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL - A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2θ-18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2θ=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material. | 01-03-2013 |
20130189582 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING COMPOSITE ANODE ACTIVE MATERIAL, AND ANODE AND LITHIUM BATTERY INCLUDING COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material includes a porous secondary particle formed by assembly of primary particles that includes metal nanoparticles capable of forming alloys with lithium and lithium titanate. | 07-25-2013 |
20130189583 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING COMPOSITE ANODE ACTIVE MATERIAL, AND ANODE AND LITHIUM BATTERY INCLUDING COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material includes matrix particles including lithium titanate; and at least one nanoparticle dispersed in the matrix particles. The at least one nanoparticle includes at least one selected from the group a metal capable of forming alloys with lithium and a non-transition metal oxide. | 07-25-2013 |