Patent application number | Description | Published |
20100167182 | BACKSIDE PHASE GRATING MASK AND METHOD FOR MANUFACTURING THE SAME - A mask includes mask patterns formed over a frontside of a substrate and a phase grating formed over a backside of the substrate. The mask patterns correspond to a layout of diagonal patterns extending in a direction rotated toward a predetermined direction from an axis of a rectangular coordinate system. The phase grating extends in a direction parallel to the extending direction of the mask patterns. The phase grating includes first and second phase regions alternately arranged over the backside of the substrate with a phase difference of 180° therebetween. The first and second phase regions induce a phase interference that blocks a zero-order light of an exposure light incident to the substrate and allows a primary light to be incident to the mask patterns. | 07-01-2010 |
20130323629 | REFLECTION TYPE BLANK MASKS, METHODS OF FABRICATING THE SAME, AND METHODS OF FABRICATING REFLECTION TYPE PHOTO MASKS USING THE SAME - Reflection type blank masks are provided. The blank mask includes a substrate, a reflection layer substantially on the substrate, at least one fiducial mark substantially on the reflection layer, an absorption layer substantially on the at least one fiducial mark and the reflection layer, and a resist layer substantially on the absorption layer. | 12-05-2013 |
20140030639 | BLANK MASKS FOR EXTREME ULTRA VIOLET LITHOGRAPHY, METHODS OF FABRICATING THE SAME, AND METHODS OF CORRECTING REGISTRATION ERRORS THEREOF - Blank masks for extreme ultraviolet (EUV) photolithography are provided. The blank mask includes a substrate having a first surface and a second surface which are opposite to each other, a reflection layer disposed on the first surface of the substrate to reflect extreme ultraviolet (EUV) rays, an absorption layer disposed on the reflection layer opposite to the substrate to absorb extreme ultraviolet (EUV) rays, and a conductive layer disposed on the second surface of the substrate to expose portions of the substrate. Related methods are also provided. | 01-30-2014 |
20150056541 | BLANK MASKS FOR EXTREME ULTRA VIOLET LITHOGRAPHY, METHODS OF FABRICATING THE SAME, AND METHODS OF CORRECTING REGISTRATION ERRORS THEREOF - A blank mask includes a substrate having a first surface and a second surface which are opposite to each other. The substrate includes a trench having a predetermined depth from the second surface. A reflection layer is disposed on the first surface of the substrate to reflect extreme ultraviolet (EUV) rays. An absorption layer is disposed on the reflection layer opposite to the substrate to absorb EUV rays. A conductive layer is disposed in the trench to expose portions of the substrate. The conductive layer includes first conductive lines and second conductive lines intersecting the first conductive lines, and the exposed portions of the substrate are two dimensionally arrayed to have island shapes. | 02-26-2015 |
Patent application number | Description | Published |
20100134451 | Liquid crystal display device and driving method thereof - A liquid crystal display device and a driving method thereof capable of simplifying of a hardware construction of the liquid crystal display device driven by the impulsive driving method and minimizing capacitance of memory for storing data are provided. | 06-03-2010 |
20100149151 | LIQUID CRYSTAL DISPLAY - A liquid crystal display is provided. The liquid crystal display includes a liquid crystal display panel, a data driving circuit for converting digital video data into positive/negative data voltages to be supplied to the data lines and adjusting the horizontal polarity inversion cycle of the positive/negative data voltages, and a timing controller for generating the vertical polarity control signal and the horizontal polarity control signal, adding a FRC correction value to input digital video data to supply the input digital video data to the data driving circuit, detecting a predetermined weak pattern from the input digital video data and, when data having the weak pattern is detected, changing either the logic inversion cycle of the vertical polarity control signal or the logic of the horizontal polarity control signal and changing the position of the data to which the FRC correction value is added. | 06-17-2010 |
20110037746 | LIQUID CRYSTAL DISPLAY AND METHOD OF CONTROLLING DOT INVERSION THEREOF - A liquid crystal display includes: a liquid crystal display panel including a plurality of data lines and a plurality of gate lines crossing each other; a first source drive IC for outputting a data voltage to the data lines and inverting the polarity of the data voltage in response to a first polarity control signal; a second source drive IC for outputting the data voltage to the data lines and inverting the polarity of the data voltage in response to a second polarity control signal; and a timing controller for generating the first and second polarity control signals in the same phase when the source drive ICs output data voltages whose polarity is inverted by horizontal 1-dot inversion and generating the first and second polarity control signals in the opposite phase to each other when the source drive ICs output data voltages whose polarity is inverted by horizontal 2-dot inversion. | 02-17-2011 |
20110037760 | LIQUID CRYSTAL DISPLAY AND METHOD OF CONTROLLING DOT INVERSION THEREOF - A liquid crystal display includes: a liquid crystal display panel including data lines and gate lines crossing each other; a timing controller that maps data of an input image to polarity patterns of 1-dot inversion and 2-dot inversion, counts the number of positive data and the number of negative data, determines whether any one of the positive data and negative data becomes dominant or not based on a difference between the counted numbers, and selects either one of the 1-dot and 2-dot inversions; a data driving circuit that converts the data of the input image into data voltages to be supplied to the data lines and inverts the polarity of the data voltages by the selected dot inversion; and a gate driving circuit that sequentially supplies gate pulses synchronized with the data voltages to the gate lines. | 02-17-2011 |
20110292099 | LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display and a method of driving the same are disclosed. The liquid crystal display includes a liquid crystal display panel on which data lines and gate lines cross each other, a data driving circuit that converts data of an input image into positive and negative analog data voltages and outputs the data voltages to the data lines, a gate driving circuit sequentially supplying a gate pulse synchronized with the data voltages to the gate lines, and a timing controller that supplies the input image data to the data driving circuit, controls an operation timing of each of the data driving circuit and the gate driving circuit, compares the input image data with a previously stored reference data pattern, and decides whether or not the input image data is the same as the reference data pattern. | 12-01-2011 |
Patent application number | Description | Published |
20090195529 | Apparatus and method for controlling driving of liquid crystal display device - The present invention involves a technique of recognizing a demand for displaying a shutdown pattern when driving a liquid crystal panel in an inversion method and converting the inversion method into another inversion method causing no horizontal crosstalk. The present invention is achieved by providing an apparatus for controlling driving of a liquid crystal display device, comprising: a timing controller for processing input RGB data by a certain inversion method to supply the data to a data driver and, upon inputting of RGB data of a shutdown pattern, converting the RGB data by an inversion driving method causing no crosstalk to supply the data; a gate driver for outputting gate signals to each gate line of a liquid crystal panel in response to a gate signal control signal; and a data driver for supplying data voltages to each data line of the liquid crystal panel in response to a data signal control signal. | 08-06-2009 |
20110261029 | APPARATUS AND METHOD FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is an apparatus for driving an LCD device displaying 2D image, and 3D image through the use of shutter glass comprising: a lookup table part including a 3D lookup table for generating 3D overdriving data to be reflected in 3D image data, and a 2D lookup table for generating 2D overdriving data to be reflected in 2D image data; a lookup table selecting part for selecting the 2D lookup table or 3D lookup table provided from the lookup table part according to 2D or 3D mode input; an ODC data generating part for generating the 2D overdriving data to be reflected in the 2D image, and the 3D overdriving data to be reflected in the 3D image according to 2D or 3D mode input; and a shutter glass controlling part for controlling an operation of shutter glass so that a user recognizes an image displayed on a liquid crystal panel as the 3D image. | 10-27-2011 |
20120133627 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device is discussed in which a level shifter generates two switching signals, and transmits the generated signals to a gate driver of a liquid crystal display panel by the use of one voltage signal transmitted from a timing controller. The LCD device according to an embodiment includes a liquid crystal display panel in which a gate driver for alternately driving two transistors is formed; a data driver which drives data lines of the liquid crystal display panel; a timing controller which generates one voltage signal for switching the two transistors, and outputs the one voltage signal; and a level shifter which generates two of first and second switching signals to switch the two transistors by using the one voltage signal, and outputs the generated switching signals to the gate driver. | 05-31-2012 |
20120133847 | Liquid Crystal Display Device - Disclosed is an LCD device in which a control signal is received and transmitted via a transmission line to be used for receiving and transmitting LVDS video signal between a timing controller and a source drive IC, the LCD device comprising a liquid crystal display panel for display an image; a data driver for driving data lines of the liquid crystal display panel through a plurality of source drive ICs; and a timing controller for outputting a packet signal obtained by combining a control signal and video signal to the source drive IC, wherein the source drive IC separates and outputs the control signal and video signal from the packet signal transmitted from the timing controller. | 05-31-2012 |
20120200483 | Timing Controller and Liquid Crystal Display Device Using the Same - Disclosed is a liquid crystal display (LCD) device, which facilitates to synchronize and output data being transmitted from an external system with a multi-port LVDS using 4 ports or more, and an LCD device using the timing controller, wherein the timing controller comprises a receiver which receives unsynchronized LVDS data of 4 ports or more; a synchronizer which synchronizes and outputs the data; and an arranger which arranges the data synchronized by the synchronizer, and transmits the arranged data to a gate driver and a data driver. | 08-09-2012 |
Patent application number | Description | Published |
20120148148 | METHOD FOR DETECTING FIRE-FLAME USING FUZZY FINITE AUTOMATA - A method for detecting a fire flame using fuzzy finite automata is provided. The fire-flame detection method comprises (1) acquiring an image required for the detection of fire-flame, (2) dividing the image into a number of blocks, (3) extracting a fire-flame candidate block using a brightness distortion of a pixel in the block, (4) detecting a fire-flame candidate region from the fire-flame block using a color probability model, and (5) determining whether the fire-flame candidate region corresponds to a fire-flame via fuzzy finite automata. The fire-flame detection method can detect fire-flames in a variety of fire images with relatively high precision, by establishing a probability model using the brightness distortion and wavelet energy in fire-flame regions with continuous and irregular fluctuation patterns and using the upward motion, and applying the model to fuzzy finite automata. | 06-14-2012 |
20130094699 | FOREST FIRE SMOKE DETECTION METHOD USING RANDOM FOREST CLASSIFICATION - A forest fire smoke detection method using random forest classification is provided. In the method, a first reference value is set. For consecutively captured frames, images between the frames are compared, each block, in which a number of pixels, motions of which have been identified, is equal to or greater than the first reference value, is set as a candidate block, and a keyframe is selected. The selected keyframe is compared with at least one frame previous to the keyframe and then a plurality of feature vectors are extracted from the candidate blocks. The extracted feature vectors are learned using different random forest algorithms. Probabilities output to terminal nodes for classes are accumulated, and two first cumulative probability histograms are generated. The two first cumulative probability histograms are averaged, and then a second cumulative probability histogram is generated. A detected state of each candidate block is determined. | 04-18-2013 |
20140099020 | METHOD OF DETECTING SMOKE OF FOREST FIRE USING SPATIOTEMPORAL BOF OF SMOKE AND RANDOM FOREST - A method of detecting the smoke of a forest fire using the spatiotemporal Bag-of-Features (BoF) of the smoke and a random forest is provided. In the method, whenever each frame of a video sequence is input, a difference between the input frame and a previous frame is detected, and the input frame is set as a key frame if the difference exceeds a predetermined first threshold value. One or more moving blocks are detected in the set key frame. One or more candidate smoke blocks are extracted from the moving blocks using a smoke color model. BoF representations are generated from the detected candidate smoke blocks. Whether smoke of the candidate smoke blocks is actual smoke is determined by performing random forest learning on the generated BoF representation. | 04-10-2014 |
Patent application number | Description | Published |
20150036474 | SHAPE-VARIABLE OPTICAL ELEMENT AND OPTICAL READ/WRITE DEVICE INCLUDING THE SAME - An optical read/write device in accordance with an embodiment of the present invention includes a lens portion configured to irradiate light emitted from a light source to an optical recording medium, and the lens portion includes: a flexible shape-variable lens; and an electrode portion provided on the shape-variable lens. The shape of the shape-variable lens can be changed when voltage is applied to the electrode. | 02-05-2015 |
20150043067 | MICROLENS ARRAY AND METHOD FOR FABRICATING THEREOF - A microlens array and a method for fabricating thereof are provided. The microlens array of the present invention comprises a lens structure part formed by bistable dielectric polymer thin film; first and second electrode parts each formed on the upper surface and the bottom surface of the lens structure part to apply voltage for shape changes of the lens structure part; a circuit part applying heat to the dielectric polymer thin film to change the property of the dielectric polymer thin film to be soft; and a base part formed on the bottom surface of the second electrode in predetermined intervals. The method further comprises a hydraulic part to apply predetermined voltage to the bottom surface of the lens structure part. The microlens array is thus able to change optical properties by deform the shape of a transparent dielectric polymer thin film having bistablity to various sizes of lens shapes by the purposes. | 02-12-2015 |
20150043079 | ACTIVE DIFFUSER FOR REDUCING SPECKLE AND LASER DISPLAY DEVICE HAVING ACTIVE DIFFUSER - An active diffuser for reducing a speckle in accordance with an embodiment of the present invention includes: an electroactive polymer film having at least one or more scattering patterns; a first transparent electrode coated on one surface of the electroactive polymer film; and a second transparent electrode coated on the other surface of the electroactive polymer film, and a shape of the scattering pattern of the electroactive polymer film is varied by voltage applied through the first transparent electrode and the second transparent electrode. | 02-12-2015 |
20150043094 | VARIABLE-SHAPE OPTICAL ELEMENT - Provided is a variable-shape optical element including a variable-shape lens, an actuator connected to the variable-shape lens, and a support configured to support the actuator. Here, the actuator may vary in shape according to an electrical signal. | 02-12-2015 |
20150062719 | SHAPE-VARIABLE OPTICAL ELEMENT - Disclosed herein is a shape-variable optical element including: a shape-variable lens; a first electrode unit configured to be connected to the shape-variable lens; a second electrode unit configured to face the first electrode unit; and a deformation part configured to be disposed between the first electrode unit and the second electrode unit. | 03-05-2015 |
20150116815 | VARIABLE FRESNEL LENS - Disclosed is a variable Fresnel lens, including: an electric active polymer layer of which a form is deformed by an electric field; and a Fresnel lens coupled to an upper portion of the electric active polymer layer, and configured to change a position of a focus according to deformation of the form of the electric active polymer layer. | 04-30-2015 |
20150205096 | TUNABLE LENS SYSTEM - Provided herein a tunable lens system including a lens having a transparent solid material; and a lens focus adjuster disposed below the lens, and configured such that its area contracts or expands based on the electric energy applied and transforms the shape of the lens correspondingly to the contracted or expanded area so as to adjust the focus of the lens. | 07-23-2015 |
Patent application number | Description | Published |
20080218655 | Liquid crystal display and tablet computer having the same - The present invention relates to a liquid crystal display and a tablet computer having the same. According to the present invention, there is provided a liquid crystal display, comprising: a liquid crystal display panel for displaying an image; a driving circuit unit connected to the liquid crystal display panel and including a printed circuit board mounted with a circuit component; a top chassis disposed over the liquid crystal display panel; and a fastening member for fastening the printed circuit board of the driving circuit unit to the top chassis. | 09-11-2008 |
20080284697 | DISPLAY APPARATUS - A display apparatus includes a first substrate, a second substrate, and a driver chip. The first substrate includes a plurality of gate lines disposed in the display area and extended in a first direction, a plurality of data lines disposed on a gate insulating layer insulating the gate lines and extended in a second direction substantially perpendicular to the first direction, and a gate driving circuit section disposed in the first peripheral area adjacent to first ends of the gate lines. The second substrate is opposite to the first substrate. A liquid crystal is interposed between the first and second substrates. The driver chip is disposed in the second peripheral area adjacent to second ends of the gate lines opposite to the first ends so that the width of the upper and lower portions of the display area may be decreased. | 11-20-2008 |
20100283805 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 11-11-2010 |
20110176332 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 07-21-2011 |
20120243257 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 09-27-2012 |
20130194825 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 08-01-2013 |