Patent application number | Description | Published |
20080204622 | DISPLAY APPARATUS - A display apparatus includes a receiving frame, a front-light module, a cover member and a display panel. The receiving frame has side walls which are formed around an open portion. The front-light module includes a light-guide plate disposed in the receiving space and a light source disposed between the light-guide plate and at least one side wall. The cover member is disposed over the side walls, to cover the light source and an upper surface of the light-guide plate. The display panel module includes a liquid crystal display (LCD) panel facing the light-guide plate and disposed under the front-light module in the receiving space, and a driving printed circuit film extending along the side wall from an edge of the LCD panel to the cover member. Thus, prism patterns of the light-guide plate may be protected and a mounting area of driving elements may be increased. | 08-28-2008 |
20080211762 | APPARATUS FOR ADJUSTING LUMINANCE, DISPLAY DEVICE HAVING THE SAME AND METHOD OF ADJUSTING LUMINANCE - An apparatus for adjusting luminance includes a comparing part, a summing part, a mode selecting part, an inverting part and a decoding part. The comparing part compares a photo sensing voltage with a reference voltage in each of a plurality of sensing periods and generating a photo sensing signal. The summing part sums the photo sensing signal during the sensing periods and generates a plurality of summation signals. The mode selecting part controls an application of the summation signals based on a mode selection. Then, the inverting part inverts the summation signals based on the control of the mode selecting part and generates a plurality of inversion signals. The decoding part decodes the summation signals or the inversion signals and generates a decoding signal. Therefore, light pollution and power consumption may be decreased, and manufacturing costs may be decreased. | 09-04-2008 |
20090262277 | FLAT PANEL DISPLAY AND METHOD THEREOF - A flat panel display includes a display panel, a mold frame receiving the display panel and a flexible printed circuit including a first portion disposed under the mold frame and a second portion extended from an end of the first portion and connected to the display panel. The first portion of the flexible printed circuit is attached to the mold frame. The mold frame includes a sidewall extending in a first direction, and a receiving plate extended from the sidewall in substantially a second direction perpendicular to the first direction. The receiving plate of the mold frame is disposed between the display panel and the flexible printed circuit. | 10-22-2009 |
20110099833 | RADIAL ROTARY DRYER - A radial rotary dryer improves drying efficiency for sludge and other substances, prevents clogging phenomenon, and is realized in a simple structure. The radial rotary dryer includes spaces formed by inner and outer drums and partitioned by a plurality of radial plates . The substances, which have been introduced through a drum inlet together with hot blowing air, sequentially move throughout all spaces and are dried during drum rotation. The substances are discharged through an opposite side of the inner drum. A lift plate is attached at one surface of each radial plate to improve the drying efficiency. Hammers are attached to an opposite surface of the radial plate to free-fall according to the rotation of the drum, thereby crushing the substances. The radial rotary dryer is useful to dry sewage sludge, food waste, or other industrial substances with the best drying efficiency, the minimum installation space, and a crushing function. | 05-05-2011 |
Patent application number | Description | Published |
20120267513 | Light-Sensing Apparatus And Method Of Driving The Same - According to an example embodiment, a light-sensing apparatus may include an array of light-sensing pixels, a first gate driver, and a signal output unit. Each of the light-sensing pixels may include a light sensor transistor configured to sense light, a switch transistor configured to output a light-sensing signal from the light sensor transistor, and a conductive light-shielding film on a light-incident surface of the switch transistor. The light sensor transistor and the switch transistor may have the same oxide semiconductor transistor structure. The first gate driver may be configured to provide a gate voltage and a negative bias voltage to each of the light-sensing pixels. The signal output unit may be configured to receive the light-sensing signal from each of the light-sensing pixels and output a data signal. | 10-25-2012 |
20120274608 | SIMPLIFIED LIGHT SENSING CIRCUIT, LIGHT SENSING APPARATUS INCLUDING THE LIGHT SENSING CIRCUIT, METHOD OF DRIVING THE LIGHT SENSING APPARATUS, AND IMAGE ACQUISITION APPARATUS AND OPTICAL TOUCH SCREEN APPARATUS INCLUDING THE LIGHT SENSING APPARATUS - In a simplified light sensing circuit, a light sensing apparatus including the light sensing circuit, a method of driving the light sensing apparatus, and an image acquisition apparatus and optical touch screen apparatus including the light sensing apparatus, the light sensing circuit includes an oxide semiconductor transistor including a channel layer including an oxide semiconductor material, for each pixel. The oxide semiconductor transistor is configured to operate as a light sensing device that senses light and a switch that outputs light sensing data. | 11-01-2012 |
20120280939 | Optical Touch Screen Apparatuses And Methods Of Driving The Optical Touch Screen Apparatuses - An optical touch screen apparatus in which an oxide semiconductor transistor is used as a light sensing device, and a method of driving the optical touch screen apparatus. The optical touch screen apparatus includes an array including a plurality of light sensing pixels for sensing incident light, a gate driver for providing each of the light sensing pixels with a gate voltage and a reset signal and a signal output unit for receiving a light sensing signal from each of the plurality of light sensing pixels to output a data signal. The gate driver includes a plurality of gate lines that provide a gate voltage to each of the light sensing pixels and at least one reset line that provides a reset signal to each of the light sensing pixels and is electrically connected to the plurality of light sensing pixels. | 11-08-2012 |
20130009145 | Transistor, Electronic Device Including Transistor, And Manufacturing Methods Thereof - A transistor may include an active layer having a plurality of oxide semiconductor layers and an insulating layer disposed therebetween. The insulating layer may include a material that has higher etch selectivity with respect to at least one of the plurality of oxide semiconductor layers. The electronic device may include a first transistor and a second transistor connected to the first transistor. The second transistor may include an active layer having a different structure from that of the active layer included in the first transistor. The active layer of the second transistor may have the same structure as one of the plurality of oxide semiconductor layers constituting the active layer of the first transistor. | 01-10-2013 |
20130027326 | LIGHT-SENSING APPARATUSES, METHODS OF DRIVING THE LIGHT-SENSING APPARATUSES, AND OPTICAL TOUCH SCREEN APPARATUSES INCLUDING THE LIGHT-SENSING APPARATUSES - A light-sensing apparatus in which a light sensor transistor in a light-sensing pixel is formed of an oxide semiconductor transistor for sensing light, a method of driving the light-sensing apparatus, and an optical touch screen apparatus including the light-sensing apparatus. The light-sensing apparatus includes a light-sensing pixel array having a plurality of light-sensing pixels arranged in rows and columns, and a plurality of gate lines which are arranged in a row direction and respectively provide a gate voltage to the light-sensing pixel. Each of the light-sensing pixels includes a light sensor transistor for sensing light and a switch transistor for outputting a light-sensing signal from the light sensor transistor, and gates of the light sensor transistors of the light-sensing pixels arranged in an arbitrary row are connected to a gate line arranged in a row previous or next to the arbitrary row. | 01-31-2013 |
20130050148 | TOUCH SENSING AND REMOTE SENSING OPTICAL TOUCH SCREEN APPARATUSES - Optical touch screen apparatuses with remote sensing and touch sensing by using a light sensor transistor including an oxide semiconductor transistor. The optical touch screen apparatus includes a pixel array of a plurality of sensing pixels arranged in a plurality of rows and a plurality of columns. Each of the sensing pixels includes a light sensing pixel for sensing light that is irradiated by an external light source and a touch sensing pixel for sensing display light that is reflected by a screen touch. The light sensing pixel includes a first light sensor transistor and a first switch transistor connected each other in series, and the touch sensing pixel includes a second light sensor transistor and a second switch transistor connected each other in series. | 02-28-2013 |
20130063400 | LIGHT-SENSING APPARATUS, METHOD OF DRIVING THE LIGHT-SENSING APPARATUS, AND OPTICAL TOUCH SCREEN APPARATUS INCLUDING THE LIGHT-SENSING APPARATUS - In one embodiment, a light-sensing apparatus includes a light-sensing pixel array that has a plurality of light-sensing pixels arranged in rows and columns; and a gate driver configured to provide the light-sensing pixels with a gate voltage and a reset signal that have inverted phases. Each of the light-sensing pixels includes a light sensor transistor configured to sense light and a switch transistor configured to output a light-sensing signal from the light-sensor transistor. The gate driver includes a plurality of gate lines connected to gates of the switch transistors, a plurality of reset lines connected to gates of the light sensor transistors, and a plurality of phase inverters each connected between a corresponding reset line and a gate line. Thus, when a gate voltage is applied to one of the plurality of gate lines, a reset signal with an inversed phase to the gate voltage may be applied to a corresponding reset line. | 03-14-2013 |
20130075608 | IMAGE SENSOR AND X-RAY IMAGE SENSING MODULE INCLUDING THE SAME - According to example embodiments, an image sensor includes a charge sensing amplifier configured to amplify charges sensed by a sensing unit. The charge sensing amplifier includes an input terminal, an amplification terminal, an output terminal, a first capacitor connected between the input terminal and the amplification terminal, a first switch connected between the input terminal and the amplification terminal, a second capacitor connected between the amplification terminal and the output terminal, and a second switch connected between the output terminal and a reference voltage terminal. | 03-28-2013 |
20130088460 | OPTICAL TOUCH SCREEN APPARATUS AND METHOD OF MANUFACTURING THE OPTICAL TOUCH SCREEN APPARATUS - An optical touch screen apparatus that includes a display pixel including a display cell and a driving transistor, the display cell configured to display an image and the driving transistor configured to turn on or off the display cell, the driving transistor having a double gate structure; and a light-sensing pixel including a light-sensing transistor and a switch transistor, the light-sensing transistor configured to sense incident light and the switch transistor configured to output data from the light-sensing transistor, the switch transistor having the double gate structure, wherein the double gate structure is a structure in which a bottom gate and a top gate are arranged such that a channel layer is disposed therebetween. The top gate may be formed together when forming a transparent electrode in the pixel, and thus even when the top gate is further included, the number of manufacturing processes is not increased. | 04-11-2013 |
20130175431 | DETECTOR HAVING LARGE AREA AND METHOD OF MANUFACTURING THE SAME - A detector includes a substrate; two first regions, each first region having a linear shape, and the two first regions being separated from each other on the substrate and arranged in parallel; and a pixel region provided between the two first regions and including a plurality of pixels, the pixel region including a plurality of second regions perpendicular to the two first regions, each of the two first regions including a peripheral circuit portion, each of the plurality of second regions including a driver line, and a width of each of the plurality of second regions being equal to or less than a width of a single pixel. | 07-11-2013 |
20130248720 | DIGITAL PHOTOMULTIPLIER DETECTOR CELL - According to example embodiments, a photomultiplier detector cell for tomography includes a detector unit and a readOUT unit. The detector unit is configured to generate a digitized detect signal in response to receives light having a certain range of wavelength. The readOUT unit is configured to generate an output signal corresponding to the detect signal generated by the detector unit and to transmit the output signal to an external circuit. The readOUT unit is configured to transmit the output signal to the external circuit right after the detect signal is received. | 09-26-2013 |
20130256545 | X-RAY DETECTORS - An X-ray detector may include a silicon substrate including a first area and a second area; a plurality of pixels in the first area configured to detect X-rays; a control pad in the second area configured to supply a common control signal to the plurality of pixels; and/or a power supply pad in the first area configured to supply a power supply voltage to groups of pixels grouped from among the plurality of pixels. | 10-03-2013 |
20140085267 | HYBRID TOUCH PANEL, HYBRID TOUCH SCREEN APPARATUS, AND METHOD OF DRIVING THE HYBRID TOUCH PANEL - A touch panel includes a sensing unit having a first sub sensing unit configured to output a first sensing current in response to a voltage of a first gate line and configured to reset in response to a voltage of a second gate line the first sensing current corresponding to a first touch type, and a second sub sensing unit configured to output a second sensing current in response to a voltage of a third gate line and configured to reset in response to a voltage of a fourth gate line, the second sensing current corresponding to a second touch type which is different than the first touch type, a display unit configured to generate an image voltage corresponding to image data to be displayed, in response to at least one of the voltages of the first to fourth gate lines and liquid crystal. | 03-27-2014 |
20140117202 | DRIVER CIRCUIT AND READOUT CIRCUIT - A driver circuit outputs a result of classifying and counting photons based on one or more energy levels to a column line. The driver circuit includes a multiplexer for receiving the result from a counter, a driving inverter for receiving a signal from the multiplexer and a power supply, and a switch connected between the power supply and an input terminal of the driving inverter. | 05-01-2014 |
20140119517 | METHODS OF CALIBRATING X-RAY DETECTORS - A method of calibrating a first threshold voltage that is a reference of X-ray detection for each unit cell of a plurality of unit cells of an X-ray detector may comprise detecting an X-ray by using a plurality of second threshold voltages for each of a plurality of X-rays having spectra at different energy levels; determining a correspondence relationship between energies having a maximum intensity in the spectra of X-rays and third threshold voltages at which a maximum number of photons having a same energy intensity are detected; and/or calibrating the first threshold voltage based on the determined correspondence relationship. | 05-01-2014 |
20140209804 | APPARATUSES FOR AND METHODS OF GENERATING IMAGES - An apparatus for generating an image may include a plurality of scintillator layers configured to convert an incident beam into an optical signal; a plurality of micro cells configured to turn on or off depending on whether or not the micro cells detect the optical signal; a reaction depth determining unit configured to detect a decay pattern of the optical signal, on the basis of on/off signals of the micro cells, and configured to determine a type of the scintillator layers with which the incident beam has reacted; and/or a reading unit configured to decide an occurrence location of the incident beam and then generates a photographed image. | 07-31-2014 |
20140210035 | DIGITAL SILICON PHOTOMULTIPLIER DETECTOR CELLS - A silicon photomultiplier detector cell may include a photodiode region and a readout circuit region formed on a same substrate. The photodiode region may include a first semiconductor layer exposed on a surface of the silicon photomultiplier detector cell and doped with first type impurities; a second semiconductor layer doped with second type impurities; and/or a first epitaxial layer between the first semiconductor layer and the second semiconductor layer. The first epitaxial layer may contact the first semiconductor layer and the second semiconductor layer. The first epitaxial layer may be doped with the first type impurities at a concentration lower than a concentration of the first type impurities of the first semiconductor layer. | 07-31-2014 |
20140332671 | PHOTON COUNTING CONTROLLER, RADIOGRAPHIC IMAGING APPARATUS, AND CONTROL METHOD OF PHOTON COUNTING CONTROLLER - The photon counting controller includes an amplification controller to charge an input electrical signal, to amplify the input electrical signal, and to discharge the charged electrical signal, a charge controller to control a charge and a discharge of the electrical signal of the amplification controller based on a received feedback signal, and a measuring controller to compare voltage of the amplified electrical signal with reference voltage and to count photons based on a result of comparison. | 11-13-2014 |
20150054793 | OPTICAL TOUCH SCREEN APPARATUSES AND METHODS OF DRIVING THE OPTICAL TOUCH SCREEN APPARATUSES - An optical touch screen apparatus in which an oxide semiconductor transistor is used as a light sensing device, and a method of driving the optical touch screen apparatus. The optical touch screen apparatus includes an array including a plurality of light sensing pixels for sensing incident light, a gate driver for providing each of the light sensing pixels with a gate voltage and a reset signal and a signal output unit for receiving a light sensing signal from each of the plurality of light sensing pixels to output a data signal. The gate driver includes a plurality of gate lines that provide a gate voltage to each of the light sensing pixels and at least one reset line that provides a reset signal to each of the light sensing pixels and is electrically connected to the plurality of light sensing pixels. | 02-26-2015 |
20150061735 | METHODS AND APPARATUSES FOR ADAPTIVELY DETERMINING VOLTAGE RESET TIMING - A voltage reset method may include: acquiring a voltage that is changed with time by using an input photon; determining a timing for resetting the acquired voltage by using time information in a period where the acquired voltage increases; and/or resetting the acquired voltage on a basis of the determined voltage reset timing. A voltage reset apparatus may include: an acquisition unit configured to acquire a voltage that is changed with time by using an input photon; a determination unit configured to determine a timing for resetting the acquired voltage by using time information in a period where the acquired voltage increases; and/or a reset unit configured to reset the acquired voltage on a basis of the determined voltage reset timing. | 03-05-2015 |
20150063543 | RADIATION DETECTORS, METHODS OF MANUFACTURING THE RADIATION DETECTORS, AND RADIATION IMAGING SYSTEMS INCLUDING THE RADIATION DETECTORS - A radiation detector may include: a first photoconductor layer including a plurality of photosensitive particles; and/or a second photoconductor layer on the first photoconductor layer, and including a plurality of crystals obtained by crystal-growing photosensitive material. At least some of the plurality of photosensitive particles of the first photoconductor layer may fill gaps between the plurality of crystals of the second photoconductor layer. A method of manufacturing a radiation detector may include: forming a first photoconductor layer by applying paste, including solvent mixed with a plurality of photosensitive particles, to a first substrate; forming a second photoconductor layer by crystal-growing photosensitive material on a second substrate; pressing the crystal-grown second photoconductor layer on the first photoconductor layer that is applied to the first substrate; and/or removing the solvent in the first photoconductor layer via a drying process. | 03-05-2015 |
20150063544 | METHOD FOR REMOVING OF RESIDUAL CHARGE, X-RAY IMAGING METHOD AND APPARATUS USING THE METHOD - A method of removing residual charge from a photoconductive material includes applying a first voltage to the photoconductive material to form an electrostatic field during a collection operation in which x-rays are irradiated onto the photoconductive material; and applying a second voltage to the photoconductor to reduce an amount of residual charge therein during a removal operation, the second voltage being different from the first voltage. In one or more example embodiments, the photoconductive material may include Mercury Iodine (Hgl | 03-05-2015 |
20150326802 | X-RAY DETECTING METHOD, PHOTOGRAPHING METHOD USING THE X-RAY DETECTING METHOD, AND X-RAY DETECTOR USING THE METHODS - Provided are methods of detecting X-rays, a photographing methods using the X-ray detecting method and/or an X-ray detector using the methods. For example, one method of detecting X-rays includes radiating a first X-ray, removing, by a first X-ray detection unit, a first electric charge generated by the radiated first X-ray, and outputting, by a second X-ray detection unit adjacent to the first X-ray detection unit, a voltage corresponding to the first X-ray. | 11-12-2015 |