Patent application number | Description | Published |
20090016189 | RECORDING/REPRODUCING APPARATUS, METHOD OF REPRODUCING DATA, AND SERVO CONTROLLING METHOD - An apparatus for recording/reproducing data using holography technology and a method of reproducing data using the same are disclosed. The recording/reproducing apparatus includes an optical path adjuster which adjusts the path of light emitted from a light source and irradiates the light to a predetermined position of a recording medium, a light reflecting unit which reflects the light transmitting through the recording medium to the predetermined position of the recording medium, an image sensor which receives the reflected light and reproduces data included in the reflected light, and a light receiving unit receiving light, which is not transmitted through the recording medium and is diffracted from the recording medium, and generating a monitoring signal. Accordingly, it is possible to provide a simple optical system suitable for the recording/reproducing apparatus using the holography technology and an efficient method of reproducing data using the same. | 01-15-2009 |
20090235195 | VIRTUAL OPTICAL INPUT DEVICE FOR PROVIDING VARIOUS TYPES OF INTERFACES AND METHOD OF CONTROLLING THE SAME - Provided are a virtual optical input device and a method of controlling the same. In the method, a portion of an input means such as a finger, and a portion of a shadow of the input means generated by a light source are detected through image processing. Physical variations formed between them are used to detect the touch contact of the input means, calculate the position of the input means, and input the corresponding command. Accordingly, it is possible to provide various input patterns. | 09-17-2009 |
20100175397 | AIR CONDITIONER - An air conditioner includes a cabinet positioned on an indoor ceiling. The air conditioner also includes a front panel that is coupled to the cabinet and has an air inlet. The air conditioner further includes a suction panel coupled to the front panel and configured to move to open or close the inlet. In addition, the air conditioner includes a sensor unit positioned on the suction panel, configured to detect a position of an indoor person, and configured to move downward with respect to the suction panel in response to an operation instruction. | 07-15-2010 |
20100175399 | AIR CONDITIONER - Disclosed is an air conditioner includes a cabinet that is configured to mount on an indoor ceiling. The air conditioner also include a front panel that is coupled to the cabinet and having an air inlet and outlet. The air conditioner further include a suction panel that is coupled to the front panel and configured to move between an open positione in which air is able to circulate through the air conditioner and a closed position in which air is blocked from circulating through the air conditioner. The air conditioner further include a sensor unit that is mounted on the suction panel, that is configured to move together with the suction panel and that is configured to detect a position of a person in the indoor place. In addition, the air conditioner also include a controller adjusting a direction of air flow from the outlet based on the deteded position of the person. | 07-15-2010 |
20100175411 | AIR CONDITIONER - An air conditioner includes a cabinet configured to define an outer appearance of the air conditioner. The air conditioner also includes a front panel coupled to the cabinet and having an intake hole. The air conditioner further includes a fan assembly positioned within the cabinet and configured to guide a flow of air in the cabinet. The air conditioner further includes an intake panel configured to move to open or close the intake hole in response to a control signal. In addition, the air conditioner includes at least one noise reducing part positioned in the intake panel and configured to reduce a noise having at least one frequency bandwidth. | 07-15-2010 |
20100175418 | AIR CONDITIONER - An air conditioner includes a cabinet and a fan assembly positioned within the cabinet and configured to guide air inside of the cabinet toward an outside of the cabinet. The air conditioner also includes a front panel coupled to the cabinet and configured to communicate air into the cabinet from the outside. The air conditioner further includes an intake panel moveable with respect to the front panel and configured to open or close an intake portion defined by the front panel. In addition, the air conditioner includes a guide unit positioned between the front panel and the intake panel and configured to partition the intake portion into at least two intake passages. | 07-15-2010 |
20120126431 | SEMICONDUCTOR PACKAGE - A semiconductor package having improved EMI and crosstalk characteristics is provided. The semiconductor package includes a semiconductor package including a substrate, at least one first semiconductor chip formed on a top surface of the substrate and electrically connected to the substrate, and at least one second semiconductor chip formed on a top surface of the first semiconductor chip and electrically connected to the first semiconductor chip, wherein first and second conductive layers are formed on the top surfaces of the first semiconductor chip and the second semiconductor chip, respectively, and the first conductive layer and the second conductive layer are connected to a ground portion. | 05-24-2012 |
20120306062 | SEMICONDUCTOR DEVICE, SEMICONDUCTOR PACKAGE, AND ELECTRONIC DEVICE - A semiconductor device, a semiconductor package, and an electronic device are provided. The electronic device includes a first semiconductor package disposed on a circuit substrate. A second semiconductor package is provided on the circuit substrate and spaced apart from the first semiconductor package. An insulating electromagnetic shielding structure is provided on the top and the lateral surfaces of the first semiconductor package. A conductive electromagnetic shielding structure is provided on the circuit substrate to cover the first and second semiconductor packages and the insulating electromagnetic shielding structure. | 12-06-2012 |
20130222230 | MOBILE DEVICE AND METHOD FOR RECOGNIZING EXTERNAL INPUT - A. mobile device includes a plurality of microphones to recognize a sound generated from an external input, a sensor to recognize an impulse generated from the external input, and a processor. The processor determines multiple regions around the mobile device, determines whether the external input is generated in a region among the multiple regions based on the recognized sound and the impulse, and executes an instruction corresponding to the region. A method that uses a processor to recognize an external input includes recognizing a sound generated from an external input, recognizing an impulse generated from the external input, determining, using the processor, a location of the external input around a mobile device based on the recognized sound and the impulse, and executing an instruction corresponding to the location of the external input. | 08-29-2013 |
20140304001 | APPARATUS AND METHOD FOR PATIENT CARE DOCUMENTATION - A patient care documentation method includes receiving care task data including user-undertaken care tasks from a patient care documentation server, receiving an answer selected in response to a text query or a symbolic answer selected from a plurality of symbolic expressions, the text query or the plurality of symbolic expressions corresponding to processes of performing the user-undertaken care tasks and providing the received answer or symbolic answer to the patient care documentation server. | 10-09-2014 |
20140328023 | SEMICONDUCTOR PACKAGE HAVING EMI SHIELDING FUNCTION AND HEAT DISSIPATION FUNCTION - A semiconductor package includes a substrate, a semiconductor chip located on a top surface of the substrate, signal lines formed on the top surface of the substrate and configured to allow different types of signals to input/output thereto/therefrom, a ground line unit formed on the top surface of the substrate and configured to divide the signal lines into signal lines to/from which the same types of signals are input/output to be isolated from one another, barrier walls configured to contact the ground line unit, and a heat dissipation unit disposed on the semiconductor chip, wherein the ground line unit includes diagonal ground lines located in diagonal directions of the substrate about the semiconductor chip, and the heat dissipation unit includes a thermal interface material (TIM) located on a top surface of the semiconductor chip, and a heat dissipation plate configured to cover the TIM and the substrate. | 11-06-2014 |
20140339692 | SEMICONDUCTOR PACKAGE STACK HAVING A HEAT SLUG - A semiconductor package stack, comprising: a lower semiconductor package including a lower semiconductor chip mounted on a lower package board; an upper semiconductor package stacked on the lower semiconductor package and including an upper semiconductor chip mounted on an upper package board, wherein the upper package board includes an opening configured to expose a lower surface of the upper semiconductor chip; and a first heat slug disposed within the opening, contacting the lower surface of the upper semiconductor chip, and contacting an upper surface of the lower semiconductor chip. | 11-20-2014 |
Patent application number | Description | Published |
20100013790 | DISPLAY APPARATUS - An embodiment of the present invention provides a display apparatus including: a first substrate; an optical layer on the first substrate, the optical layer comprising a plurality of pixels for displaying an image and an array of optical sensors for detecting a contact location on the display apparatus; and a contact detector detecting whether or not the display apparatus is touched. | 01-21-2010 |
20100097334 | LIGHT SENSING CIRCUIT, METHOD OF DRIVING THE SAME, AND TOUCH PANEL INCLUDING THE LIGHT SENSING CIRCUIT - A light sensing circuit, a method of driving the same, and a touch panel including the light sensing circuit, the light sensing circuit including a photodiode generating current according to the brightness of light incident from the outside; a driving transistor having a first electrode to which a first power voltage is applied, a second electrode, and a gate electrode electrically connected to a cathode of the photodiode; a first reset transistor having a first electrode to which an initialization voltage is applied, a second electrode connected to the gate electrode of the driving transistor, and a gate electrode to which a previous scan signal is applied; and a shielding capacitor disposed between the gate electrode of the driving transistor and the cathode of the photodiode. Accordingly, the brightness of light incident on the photodiode can be accurately determined by initializing the cathode of the photodiode by using a constant voltage. | 04-22-2010 |
20100097350 | PHOTO SENSING DEVICE, PHOTO SENSING CIRCUIT, TOUCH PANEL, AND METHOD OF SENSING OUTPUT VALUE OF PHOTO SENSING ELEMENT - A photo sensing device, a photo sensing circuit, a touch panel, and a method of sensing an output value of a photo sensing element, in order to remove the influence of a threshold voltage. The device includes a photo sensing unit generating a sensing current according to an intensity of incident light, a driving unit outputting a driving current according to the sensing current generated by the photo sensing unit, and a scanning unit outputting on a data line the driving current of the driving unit in a first mode corresponding to the photo sensing unit gathering light for a predetermined period of time and outputting the driving current in a second mode corresponding to the photo sensing unit initializing. | 04-22-2010 |
20100097354 | LIGHT SENSING CIRCUIT, TOUCH PANEL INCLUDING THE SAME, AND METHOD OF DRIVING THE LIGHT SENSING CIRCUIT - A light sensing circuit of a touch panel includes a photodiode including an anode and a cathode; a driving transistor including a gate electrode connected to the cathode of the photodiode, a first electrode to receive a first ground voltage, and a second electrode; a first switching transistor including a first electrode connected to the second electrode of the driving transistor, a second electrode to output a data signal, and a gate electrode to receive a scan signal; a first capacitor including a first terminal connected to the cathode of the photodiode, and a second terminal; and a voltage compensating unit to apply a compensation voltage to the second terminal of the first capacitor. | 04-22-2010 |
20100220069 | Light sensing circuit, method of controlling the same, and touch panel comprising the light sensing circuit - A light sensing circuit, a method of controlling the same, and a touch panel including the light sensing circuit. In the method of controlling the light sensing circuit, including sensing light incident on a photodiode, generating current corresponding to the brightness of the sensed light, amplifying the current using a driving transistor, and outputting the amplified current, the ambient temperature is sensed, and a time period during which the light is sensed by the photodiode or the amplified current is output is controlled by the sensed ambient temperature. Thus, the sensitivity of the light sensing circuit may be constantly maintained without being influenced by the ambient temperature. | 09-02-2010 |
20110001711 | LIGHT SENSING CIRCUIT, TOUCH PANEL INCLUDING THE SAME, AND METHOD OF DRIVING THE SAME - A light sensing circuit includes a photodiode including a cathode electrode and an anode electrode and for receiving light from the outside and generating a current corresponding to the received light, a driving transistor for amplifying the current generated in the photodiode, a capacitor for storing a first initiation voltage transmitted to the driving transistor, a first switching transistor for compensating for a threshold voltage of the driving transistor corresponding to a current scan signal, and a second switching transistor for transmitting the first initiation voltage corresponding to the current scan signal. | 01-06-2011 |
20110050600 | Light sensor circuit and driving method thereof and touch screen panel having the same - A light sensor circuit, includes a light receiving element coupled to a first power supply, a capacitor coupled between the light receiving element and a second power supply, a first transistor including a gate electrode coupled to a first electrode of the capacitor, and a second transistor including a gate electrode coupled to a selection signal line, wherein the first transistor is coupled between the selection signal line and a first electrode of the second transistor, and the second transistor is coupled between a second electrode of the first transistor and an output signal line. | 03-03-2011 |
20110193768 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel includes: an OLED; a first transistor having a first electrode coupled to a power source and a second electrode coupled to the OLED and configured to control a magnitude of current supplied to the OLED; a third transistor having a first electrode coupled a first node and a second electrode coupled to a gate electrode of the first transistor; a capacitor coupled between the first node and a second electrode of the first transistor; a second transistor having a first electrode coupled to the first node and a second electrode coupled to a data line and configured to be turned on when the third transistor is turned off; and a fourth transistor having a first electrode coupled to a gate electrode of the first transistor and a second electrode coupled to a reference power source and configured to be turned on and off concurrently with the second transistor. | 08-11-2011 |
20110233387 | Light sensor circuit and driving method thereof - Embodiments provide a light sensor circuit for a flat panel display which improves resolution at low luminance and increases the range of sensible ambient light by divisionally driving a frame period, in which light is sensed, into a plurality of sub-frames, and a method of driving the light sensor circuit. | 09-29-2011 |
20110254871 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resistance value of the measurement resistor, the measurement resistor to convert the first pixel current corresponding to the first data voltage into a first measured voltage and the second pixel current corresponding to the second data voltage into a second measured voltage. | 10-20-2011 |
20110279436 | Display device and driving method thereof - An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels, a plurality of scan lines, and a plurality of data lines, a data driver transmitting a plurality of data signals to the plurality of data lines, a scan driver transmitting a plurality of scan signals to the plurality of scan lines, a compensation controller supplying a predetermined first current to each organic light emitting diode in each of the plurality of pixels during a sensing period for measuring a driving voltage of the organic light emitting diode for each of a plurality of pixels, receiving the driving voltage of the organic light emitting diode supplied with the first current, and outputting measuring data for the transmitted driving voltage; and a signal controller compensating an input video signal according to the measuring data to generate image data. The compensation controller is separate from and external to the data driver. | 11-17-2011 |
20110279437 | Organic light emitting display and driving method thereof - An organic light emitting diode (OLED) display and a driving method thereof include an OLED, a driving transistor supplying a driving current to the OLED, a data line transmitting a data signal to the driving transistor, a first switch including a first electrode connected to one electrode of the OLED and a second electrode connected to the data line, and a second switch including a first electrode connected to the data line and a second electrode connected to the gate electrode of the driving transistor. The first switch is turned on such that a predetermined first current is transmitted to the OLED, the voltage of one electrode of the OLED is received through the data line, the deterioration degree of the OLED is detected according to the transmitted voltage, and the data signal transmitted to the data line is compensated according to the detected deterioration. | 11-17-2011 |
20110279444 | DISPLAY DEVICE TO COMPENSATE CHARACTERISTIC DEVIATION OF DRVING TRANSISTOR AND DRIVING METHOD THEREOF - A display device includes a display having a plurality of pixels, a compensator that for each of a plurality of pixels, calculates an image data compensation amount that compensates a characteristic deviation of a driving transistor of each pixel by measuring the first pixel current generated by the first data voltage and the second pixel current generated by the second data voltage obtained by amending the first data voltage, and initializes a panel capacitor that is parasitic on a plurality of data lines connected to the plurality of pixels in the measurement of the first pixel current and the measurement of the second pixel current; and a signal controller that generates an image data signal by reflecting the compensation amount of the image data. It is possible to shorten a compensation period for compensating a characteristic deviation between driving transistors, and since a data writing period in which a data signal is written in each pixel and a light emitting period in which, after the writing of the data signal corresponding to each pixel is completed, the entire pixel emits light at once, making it possible to more efficiently display the image. | 11-17-2011 |
20110298836 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND DRIVING METHOD THEREOF - An organic light emitting diode display is disclosed. A signal from the pixels in the display is transmitted to a circuit which compensates the image data according to the signal, which is indicative of one or more of ageing of the organic light emitting diodes, the threshold voltages of the driving transistors, and current mobility of the driving transistors. | 12-08-2011 |
20120176299 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display includes: a panel; a data driver connected to a data line formed on the panel; a gate driver crossing the data line in an insulated manner and connected to gate lines formed on the panel; an input line for receiving clock signals from the outside; a first connecting line electrically connected to the input line to supply the clock signal to the gate driver; a second connecting line electrically connected to the input line; and a third connecting line extended from the second connecting line to electrically connect the second connecting line and the first connecting line. | 07-12-2012 |
20120211752 | ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic electroluminescent display device including a plurality of scan lines and a plurality of data lines crossing the scan lines, a plurality of pixels at regions defined by the scan lines and the data lines, and one or more thin-film transistors (TFTs) for selectively applying voltages to each of the pixels, wherein the data lines are successively located at a side of the pixels, and a first TFT of the TFTs is located at least partially between an area corresponding to an n | 08-23-2012 |
20130002307 | STAGE CIRCUIT AND SCAN DRIVER USING THE SAME - A stage circuit and a scan driver using the same that is capable of concurrently (e.g., simultaneously) or progressively supplying a scan signal to a plurality of scan lines. The stage circuit includes a progressive driver and a concurrent driver. | 01-03-2013 |
20130127805 | SCAN DRIVING DEVICE AND DRIVING METHOD THEREOF - A scan driving apparatus includes a plurality of sequentially arranged scan driving blocks, each including: a first node configured to receive a first clock signal; a second node configured to receive an input signal according to a second clock signal input; a first transistor having a gate electrode coupled to the first node, a first electrode configured to receive a power source voltage, and a second electrode coupled to an output terminal; and a second transistor having a gate electrode coupled to the second node, a first electrode for receiving a third clock signal, and a second electrode coupled to the output terminal. Each scan driving block is configured to receive the first, second, and third clock signals as a corresponding three clock signals among four clock signals sequentially shifted by a first period, and to output the third clock signal by being synchronized with the input signal. | 05-23-2013 |
20130214277 | DISPLAY DEVICE HAVING ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT AND MANUFACTURING METHOD THEREOF - A method of manufacturing a display device including an electrostatic discharge protection circuit, the method including: forming an amorphous silicon layer on a substrate; crystallizing a partial region of the amorphous silicon layer into a polycrystalline silicon layer; and forming at least one transistor on the amorphous silicon layer that was not crystallized into the polycrystalline layer, wherein the electrostatic discharge protection circuit comprises the at least one transistor. | 08-22-2013 |
20140071027 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a plurality of pixels, each pixel including an organic light emitting diode (OLED) and a driving transistor, a sustain power supply unit applying a first sustain voltage to a plurality of data lines connected to the plurality of pixels, and a data driver applying one of a data signal and a second sustain voltage to the plurality of data lines. For each pixel, the sustain power supply unit applies the first sustain voltage as a first level voltage to reset a gate voltage of the driving transistor and applies the first sustain voltage as a second level voltage to increase the gate voltage of the driving transistor. When an anode voltage of the OLED in each pixel is discharged to be reset, the anode voltage of the OLED is controlled according to a voltage difference between the first level voltage and the second level voltage. | 03-13-2014 |