Patent application number | Description | Published |
20080237687 | Flash memory device - Provided is a flash memory device including a gate structure on a substrate. The flash memory device includes a charge supply layer including a ZnO based material formed between a substrate and a gate structure or formed on the gate structure. Accordingly, the flash memory device can be formed to be of a bottom gate type or of a top gate type by including the charge supply layer. Also, the flash memory device may be realized to be any of a charge trap type and a floating gate type. | 10-02-2008 |
20080285353 | Flash memory device, method of manufacturing the same, and method of operating the same - Provided are a memory device, a method of manufacturing the same, and a method of operating the same. The memory device may include a channel region having an upper end where both sides of the upper end are curved, the curved portions of both sides allowing charges to be injected thereinto in a program or erase voltage such that the curved portions into which the charges are injected are separate from a portion which determines a threshold voltage, and a gate structure on the channel region. | 11-20-2008 |
20090021988 | Nonvolatile memory device and method of operating fabricating the same - Provided is a method of reliably operating a highly integratable nonvolatile memory device. The nonvolatile memory device may include a string selection transistor, a plurality of memory transistors, and a ground selection transistor between a bit line and a common source line. In the nonvolatile memory device, data may be erased from the memory transistors by applying an erasing voltage to the bit line or the common source line. | 01-22-2009 |
20090251581 | Sub-pixels, unit pixels, image sensors and methods of operating the same - An image sensor includes a plurality of unit pixels arranged in an array. Each unit pixel includes a plurality of sub-pixels configured to be irradiated by light having the same wavelength. Each sub-pixel includes a plurality of floating body transistors. Each floating body transistor includes a source region, a drain region, a floating body region between the source region and the drain region, and a gate electrode formed on the floating body region. | 10-08-2009 |
20100302870 | Nonvolatile memory device and method of operating and fabricating the same - Provided is a method of reliably operating a highly integratable nonvolatile memory device. The nonvolatile memory device may include a string selection transistor, a plurality of memory transistors, and a ground selection transistor between a bit line and a common source line. In the nonvolatile memory device, data may be erased from the memory transistors by applying an erasing voltage to the bit line or the common source line. | 12-02-2010 |
20100323509 | Nonvolatile semiconductor memory device and method of manufacturing the same - Provided is a nonvolatile semiconductor memory device and a method of manufacturing the same. The nonvolatile semiconductor memory device may include a tunnel insulating layer formed on a semiconductor substrate, a charge trap layer including a dielectric layer doped with a transition metal formed on the tunnel insulating layer, a blocking insulating layer formed on the charge trap layer, and a gate electrode formed on the blocking insulating layer. The dielectric layer may be a high-k dielectric layer, for example, a HfO | 12-23-2010 |
Patent application number | Description | Published |
20100012186 | Bulb-Type Light Concentrated Solar Cell Module - Provided is a bulb-type light concentrated solar cell module that includes a reflective mirror unit that is concavely formed to convergingly reflect sunlight and has a first hole on a bottom thereof; a solar cell that generates electrical energy in response to light received from the reflective mirror unit; a socket that blocks the first hole at a lower part of the reflective mirror unit and is fixed on the reflective mirror unit; and a power control unit that is electrically connected to the solar cell to generate electricity in the socket. | 01-21-2010 |
20120161159 | Method of manufacturing silicon optoelectronic device,silicon optoelectronic device manufactured by the method, and image input and/or output apparatus using the silicon optoelectronic device - A method of manufacturing a silicon optoelectronic device, a silicon optoelectronic device manufactured by the method, and an image input and/or output apparatus including the silicon optoelectronic device are provided. The method includes preparing an n- or p-type silicon-based substrate, forming a microdefect pattern along a surface of the substrate by etching, forming a control film with an opening on the microdefect pattern, and forming a doping region on the surface of the substrate having the microdefect pattern in such a way that a predetermined dopant of the opposite type to the substrate is injected onto the substrate through the opening of the control film to be doped to a depth so that a photoelectric conversion effect leading to light emission and/or reception by quantum confinement effect in the p-n junction occurs. The silicon optoelectronic device has superior light-emitting efficiency, can be used as at least one of a light-emitting device and a light-receiving device, and has high wavelength selectivity. In addition, the silicon optoelectronic device panel having the two-dimensional array of the silicon optoelectronic devices can be applied in the image input and/or output apparatus capable of directly displaying an image and/or inputting optical information in a screen. | 06-28-2012 |
20120242975 | DEPTH SENSORS, DEPTH INFORMATION ERROR COMPENSATION METHODS THEREOF, AND SIGNAL PROCESSING SYSTEMS HAVING THE DEPTH SENSORS - According to at least one example embodiment, a depth information error compensation method includes outputting modulated light to a target object, detecting a plurality of first pixel signals at different detection time points in a first time interval, the first pixel signals representing light reflected from the target object during the first time interval, detecting a plurality of second pixel signals at different detection time points in a second time interval, the second pixel signals representing light reflected from the target object during the second time interval, comparing each of the plurality of first pixel signals with each of the plurality of second pixel signals and calculating depth information to the target object according to the comparing. | 09-27-2012 |
20140062864 | METHOD AND APPARATUS FOR EXTRACTING THREE-DIMENSIONAL DISTANCE INFORMATION FROM RECOGNITION TARGET - A method and apparatus for extracting three-dimensional distance information from a recognition target is provided, which enables a gesture input from a user to be correctly recognized using distance information from the recognition target, and at the same time makes it possible to efficiently save power required for detection of the gesture input. The method includes determining if a recognition target exists within a predetermined range; when the recognition target exists within the predetermined range, generating a 3D image for the recognition target; and calculating a distance to the recognition target by using the 3D image. | 03-06-2014 |
20140078311 | METHOD FOR GUIDING CONTROLLER TO MOVE TO WITHIN RECOGNIZABLE RANGE OF MULTIMEDIA APPARATUS, THE MULTIMEDIA APPARATUS, AND TARGET TRACKING APPARATUS THEREOF - Methods, systems, and devices for guiding a subject back within the recognizable visual range of a multimedia system are described. According to one of the described methods, when it is determined that the target has left the recognizable range of the multimedia system, sensor information is acquired from a portable electronic device (or controller) the user has been using to control the multimedia system, and the acquired sensor information is used to determine where the user is, relative to the recognizable range. In one example, the user is asked to make a gesture with the portable electronic device, and the sensor information concerning that gesture is used to determine the user's relative location. In another example, the sensor information recorded at the time the user left the recognizable range is used to determine the user's relative location. | 03-20-2014 |
20140096084 | APPARATUS AND METHOD FOR CONTROLLING USER INTERFACE TO SELECT OBJECT WITHIN IMAGE AND IMAGE INPUT DEVICE - A method for controlling a user interface of an apparatus to enable intuitive manipulation for an object included in an image is provided. An object with deeper depth in a rear image of the apparatus may become selectable when the user holds a user input means close to the apparatus, while an object with shallower depth in the rear image may become selectable when the user draws the user input means away from the apparatus, thereby allowing the user to intuitively select an object in the rear image. | 04-03-2014 |
20140341428 | APPARATUS AND METHOD FOR RECOGNIZING HUMAN BODY IN HYBRID MANNER - An apparatus and a method for recognizing a human body in a hybrid manner are provided. The method includes calculating body information used for recognizing a human body from an input image, detecting a region of the human body in a learning-based human body recognition manner by using the calculated body information, and tracing a movement of the detected region of the human body in a modeling-based human body recognition manner. Thereby, it is possible to quickly perform more accurate and precise recognition of the human body. | 11-20-2014 |
20140355830 | METHOD AND APPARATUS FOR PROTECTING EYESIGHT - A method and an apparatus for controlling a display in order to secure an appropriate viewing distance between a digital device and a user who is viewing the digital device is provided. Accordingly, the method determines whether an object exists within a hazardous viewing distance using a 3D camera function provided in the digital device. If it is determined that an object exists within the hazardous viewing distance, the digital device detects a face or eyes from 2D images photographed by the camera. Next, the direction of the face is determined on the basis of the detected results, and it is determined whether a user is viewing a display screen of the digital device based on the determination. If it is determined that a user is viewing a display screen of a digital device, the digital device generates a warning that the user is positioned within a hazardous viewing distance. | 12-04-2014 |
Patent application number | Description | Published |
20110129123 | IMAGE SENSORS FOR SENSING OBJECT DISTANCE INFORMATION - An image sensor includes a clock signal generator configured to generate and output at least first and second clock signals, a plurality of pixels configured to generate associated distance signals based on corresponding clock signals from among the at least first and second clock signals and light reflected by an object, and a distance information deciding unit configured to determine distance information with respect to the object by using the associated distance signals. At least one first pixel from among the plurality of pixels is configured to generate the associated distance signal based on at least the first clock signal, and at least one second pixel from among the plurality of pixels, which is adjacent to the at least one first pixel, is configured to generate the associated distance signal based on at least the second clock signal. | 06-02-2011 |
20110188026 | SENSOR, METHOD OF OPERATING THE SAME, AND SYSTEM INCLUDING THE SAME - A method includes providing packets to demodulate a modulated photon signal output from a light source, wherein each packet includes a first interval and a second interval, and providing oscillation signals respectively having different phases from one another to photogates during the first interval of each of the packets. The light source is disabled and a direct current (DC) voltage is provided to the photogates during the second interval of each of the packets. | 08-04-2011 |
20110199602 | SENSOR AND METHOD USING THE SAME - A sensor, including a plurality of photo gate pairs on a semiconductor substrate, each of the photo gate pairs including a first photo gate and a second photo gate, a first shared floating diffusion region in the semiconductor substrate, and a plurality of first transmission transistors on the semiconductor substrate, wherein each of the plurality of first transmission transistors is adapted to transmit charges to the first shared floating diffusion region in response to a first transmission control signal, the charges being generated in the semiconductor substrate under the first photo gate of each of the plurality of photo gate pairs. | 08-18-2011 |
20110202310 | DEPTH SENSOR, DEPTH ESTIMATION METHOD USING THE SAME, AND DEPTH ESTIMATION DEVICE INCLUDING THE SAME - A depth estimation apparatus and method are provided. The depth estimation method includes grouping a plurality of frame signals generated by a depth pixel into a plurality of frame signal groups which are used to estimate a depth to an object without a depth estimation error caused by an omission of a frame signal, the grouping of the a plurality of frame signals based on whether an omitted frame signal exists in the plurality of frame signals and based on a continuous pattern of the plurality of frame signals; and estimating the depth to the object using each of the plurality of frame signal groups. | 08-18-2011 |
20120133737 | IMAGE SENSOR FOR SIMULTANEOUSLY OBTAINING COLOR IMAGE AND DEPTH IMAGE, METHOD OF OPERATING THE IMAGE SENSOR, AND IMAGE PROCESSING SYTEM INCLUDING THE IMAGE SENSOR - An image sensor includes a light source that emits modulated light such as visible light, white light, or white light-emitting diode (LED) light to a target object, a plurality of pixels, and an image processing unit. The pixels include at least one pixel for outputting pixel signals according to light reflected by the target object. The image processing unit simultaneously generates a color image and a depth image from the pixel signals of the at least one pixel. | 05-31-2012 |
20120134598 | Depth Sensor, Method Of Reducing Noise In The Same, And Signal Processing System Including The Same - The method includes calculating similarities between a plurality of pixel signals of a depth pixel and a plurality of pixel signals of neighbor depth pixels neighboring the depth pixel, calculating a weight of each of the neighbor depth pixels using the similarities, calculating a weight of the depth pixel using the weights of the respective neighbor depth pixels, and determining a denoised pixel signal using the weights of the respective neighbor depth pixels and the weight of the depth pixel. | 05-31-2012 |
20130119234 | UNIT PIXEL AND THREE-DIMENSIONAL IMAGE SENSOR INCLUDING THE SAME - A unit pixel of a three-dimensional image sensor includes a non-silicon photodetector and at least one readout circuit. The non-silicon photodetector is formed at a silicon substrate, and the non-silicon photodetector comprising at least one of non-silicon materials to generate a photocharge in response to incident light. The at least one readout circuit is formed at the silicon substrate, the at least one readout circuit outputs a sensing signal based on the photocharge, and the sensing signal generates depth information on a distance to an object. | 05-16-2013 |
20130123015 | IMAGE SENSOR, OPERATION METHOD THEREOF AND APPARATUSES INCUDING THE SAME - An operation method of an image sensor includes determining a distance between the image sensor and an object, and activating at least one of a color pixel, a depth pixel and a thermal pixel included in a pixel array of the image sensor based on a determined distance and a reference distance. | 05-16-2013 |
20130126716 | PIXEL CIRCUIT, DEPTH SENSOR AND OPERATING METHOD - A pixel circuit for a depth sensor operating in a detection period and an output period in either a first operating mode (high incident light intensity) or a second operating mode (low incident light intensity). The pixel circuit includes a light receiving unit generating charge in response to the incident light, a signal generation unit accumulating charge in a FDN in response to a transmission signal, reset signal and selection signal during the detection period, and generating an analog signal having a level corresponding to a voltage apparent at the FDN during the output period, and a refresh transistor coupled between a supply voltage and the light receiving unit and discharging charge to the supply voltage in response to a refresh signal. | 05-23-2013 |
20130169756 | DEPTH SENSOR, METHOD OF CALCULATING DEPTH IN THE SAME - A depth calculation method of a depth sensor includes outputting a modulated light to a target object, detecting four pixel signals from a depth pixel based on a reflected light reflected by the target object, determining whether each of the four pixel signals is saturated based on results of comparing a magnitude of each of the four pixel signals with a threshold value, and calculating depth to the target object based on the determination result. | 07-04-2013 |
20130229491 | METHOD OF OPERATING A THREE-DIMENSIONAL IMAGE SENSOR - In a method of operating a three-dimensional image sensor including a light source module according to example embodiments, the three-dimensional image sensor detects a position change of an object by generating a two-dimensional image in a low power standby mode. The three-dimensional image sensor switches a mode from the low power standby mode to a three-dimensional operating mode when the position change of the object is detected in the two-dimensional image. The three-dimensional image sensor performs gesture recognition for the object by generating a three-dimensional image using the light source module in the three-dimensional operating mode. | 09-05-2013 |
20140092287 | IMAGE SENSOR, METHOD OF OPERATING THE SAME, AND IMAGE PROCESSING SYSTEM INCLUDING THE SAME - The image sensor includes a pixel array including a plurality of unit pixels each including a single transistor and a photodiode connected to a body of the single transistor, a row driver block configured to enable one of a plurality of rows in the pixel array to enter a readout mode, and a readout block configured to sense and amplify a pixel signal output from each of a plurality of unit pixels included in the row that has entered the readout mode. | 04-03-2014 |
20140103191 | SENSING METHODS FOR IMAGE SENSORS - A sensing method for an image sensor includes: connecting a first column line with a second column line in response to switch signals; and sensing a first pixel signal generated based on a first signal output from a first pixel and a second signal output from a second pixel, the first pixel and the second pixel being connected to the first column line and the second pixel being connected to the second column line. | 04-17-2014 |
20140103192 | BINARY CMOS IMAGE SENSORS, METHODS OF OPERATING SAME, AND IMAGE PROCESSING SYSTEMS INCLUDING SAME - A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light. | 04-17-2014 |
20140103401 | IMAGE SENSOR - An image sensor is provided. The image sensor includes a well of a second conductivity type formed on an impurity layer of a first conductivity type, source and drain regions of the first conductivity type, formed in the well to be spaced apart from each other, a first photo diode of the first conductivity type formed in the well to overlap the source and drain regions, a second photo diode of the first conductivity type formed so as not to overlap the source and drain regions and formed to be adjacent to the first photo diode, and a gate electrode formed on the first and second photo diodes. | 04-17-2014 |
20140103413 | CMOS IMAGE SENSORS WITH PHOTOGATE STRUCTURES AND SENSING TRANSISTORS, OPERATION METHODS THEREOF, AND IMAGE PROCESSING SYSTEMS INCLUDING THE SAME - ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage. | 04-17-2014 |
20140104391 | DEPTH SENSOR, IMAGE CAPTURE MEHOD, AND IMAGE PROCESSING SYSTEM USING DEPTH SENSOR - An image capture method performed by a depth sensor includes; emitting a first source signal having a first amplitude towards a scene, and thereafter emitting a second source signal having a second amplitude different from the first amplitude towards the scene, capturing a first image in response to the first source signal and capturing a second image in response to the second source signal, and interpolating the first and second images to generate a final image. | 04-17-2014 |
20140104452 | SUB-PIXELS, IMAGE SENSORS HAVING THE SAME AND IMAGE SENSING SYSTEMS - A sub pixel includes a photodetector and a column line output circuit. The photodetector is configured to output an electrical signal based on a detected amount of photons. The column line output circuit is configured to generate an output signal based on the electrical signal. The output signal is one of a current from a current source and a comparison signal indicative of binary output data. | 04-17-2014 |
20140104469 | IMAGE SENSORS, IMAGE PROCESSING SYSTEMS INCLUDING THE SAME, AND METHODS OF OPERATING IMAGE PROCESSING SYSTEM - An image sensor includes a pixel array and a row driver block. The pixel array includes a plurality of subpixel groups, each including a plurality of subpixels. Each of the plurality of subpixels is configured to generate a subpixel signal corresponding to photocharge accumulated in response to a photon. The row driver block is configured to generate a first control signal to control the subpixels included in each of the plurality of subpixel groups to accumulate the photocharge in parallel from a first time point to a second time point. | 04-17-2014 |
20140104472 | IMAGE SENSORS, IMAGE PROCESSING SYSTEMS INCLUDING SAME, AND METHODS OF OPERATING THE SAME - A method of operating an image sensor includes: generating a pixel signal according to intensity of incident light; and generating a digital pixel signal based on a comparison between the pixel signal and at least one reference current. Accordingly, a current output from a 1T pixel in the image sensor is sensed such that the influence of noise is reduced and a pixel signal is sensed more precisely. | 04-17-2014 |
20140104473 | IMAGE SENSOR CHIPS - An image sensor chip includes a first wafer and a second wafer. The first wafer includes an image sensor having a plurality of sub-pixels, each of which is configured to detect at least one photon and output a sub-pixel signal according to a result of the detection. The image processor is configured to process sub-pixel signals for each sub-pixel and generate image data. The first wafer and the second wafer are formed in a wafer stack structure. | 04-17-2014 |
20140104942 | RECESS GATE TRANSISTORS AND DEVICES INCLUDING THE SAME - A recess gate transistor includes: a drain region and a source region in a semiconductor substrate and doped with first-type impurities; a recess region recessed in the semiconductor substrate between the drain region and the source region; a gate insulation layer on the recess region, a gate electrode on the gate insulation layer filling the recess region; and a charge pocket region below the recess region and doped with second-type impurities. A semiconductor chip includes a plurality of recess gate transistors, and an image sensor includes a semiconductor chip including a plurality of recess gate transistors. | 04-17-2014 |
20140111423 | MOBILE SYSTEMS INCLUDING IMAGE SENSORS, METHODS OF OPERATING IMAGE SENSORS, AND METHODS OF OPERATING MOBILE SYSTEMS - A mobile system may comprise a three-dimensional (3D) image sensor on a first surface of the mobile system configured to perform a first sensing to detect proximity of a subject and a second sensing to recognize a gesture of the subject by acquiring distance information for the subject; and/or a display device on the first surface of the mobile system to display results of the first sensing and the second sensing. A mobile system may comprise a light source unit; a plurality of depth pixels; and/or a plurality of color pixels. The light source unit, the plurality of depth pixels, or the plurality of color pixels may be activated based on an operation mode of the mobile system. | 04-24-2014 |
20140118252 | METHOD OF DISPLAYING CURSOR AND SYSTEM PERFORMING CURSOR DISPLAY METHOD - A cursor displaying method that re-sizes a cursor displayed in a display field while repositioning the cursor in response to a detected user gesture. | 05-01-2014 |
20140119603 | METHODS OF AND APPARATUSES FOR RECOGNIZING MOTION OF OBJECTS, AND ASSOCIATED SYSTEMS - A method of recognizing motion of an object may include periodically obtaining depth data of a first resolution and two-dimensional data of a second resolution with respect to a scene using an image capturing device, wherein the second resolution is higher than the first resolution; determining a motion tracking region by recognizing a target object in the scene based on the depth data, such that the motion tracking region corresponds to a portion of a frame and the portion includes the target object; periodically obtaining tracking region data of the second resolution corresponding to the motion tracking region; and/or analyzing the motion of the target object based on the tracking region data. | 05-01-2014 |