38th week of 2008 patent applcation highlights part 23 |
Patent application number | Title | Published |
20080224968 | DISPLAY DEVICE, METHOD FOR DRIVING DISPLAY DEVICE, AND ELECTRONIC APPARATUS - Disclosed herein is a display device including: a red pixel configured to be provided with a red light-emitting element that generates red light; a green pixel configured to be provided with a green light-emitting element that generates green light; and two blue pixels configured to be provided with blue light-emitting elements that generate blue light and have the same structure, wherein a color filter is provided on a light-extraction side of at least one of the two blue pixels so that blue light beams having different y-values in an xy chromaticity coordinate system are extracted from the two blue pixels. | 2008-09-18 |
20080224969 | Increase of Perceived Resolution for a Dual View Display Device - A representative display device for displaying a first and a second view (V | 2008-09-18 |
20080224970 | Reset Circuit for Display Devices - The present invention relates to an active matrix display device, more particularly an electrowetting display device, comprising at least two rows of pixels and being provided with selection wires (RW) and data wires (COL) for addressing of the pixels. The pixels in each row are arranged with a respective connection (CW) to a common reset (RST) wire that is arranged to transmit a reset signal. The respective connection (CW) is arranged to be interconnected with the data wire (COL) of the pixel when the pixel is addressed. Further, the respective connection (CW) is arranged with a signal blocking element (D) for preventing a data signal of the pixel from propagating via the reset wire (RST) to pixels in the same row. | 2008-09-18 |
20080224971 | LIQUID CRYSTAL DEVICE, ELECTRONIC APPARATUS AND POSITION IDENTIFICATION METHOD - A liquid crystal device includes a liquid crystal panel, a plurality of detection electrodes, a switching circuit, and a position identification device. The liquid crystal panel is configured so that a liquid crystal is sealed in a gap between a first substrate and a second substrate, which are opposed to each other, and a voltage of an opposite electrode opposite the liquid crystal periodically varies. The plurality of detection electrodes are provided on a side opposite to a side on which the liquid crystal is provided via the first substrate, wherein an initial voltage is induced in each of the plurality of detection electrodes on the basis of a variation in voltage of the opposite electrode. The switching circuit sequentially connects each of the plurality of detection electrodes, in which the initial voltages are induced, to a detection portion. The position identification device generates a position signal that indicates a position of a pointing body on the basis of a detection signal produced in the detection portion. | 2008-09-18 |
20080224972 | Digital/analog converter circuit, level shift circuit, shift register utilizing level shift circuit, sampling latch circuit, and liquid crystal display device incorporating the same - This invention relates to a digital/analog converter circuit, a level shift circuit, a shift register containing this level shift circuit, a sampling latch circuit and a latch circuit as well as a liquid crystal display device mounted with these respective circuits, wherein a drive circuit integrated with the LCD device containing the digital/analog converter circuit has polysilicon thin film transistors arrayed in a matrix on the substrate as switching devices for the pixels, a level shift circuit in the shift register has a basic structure of CMOS latch cells and is utilized in each level shift of the clock signal at each transfer stage, a sampling latch circuit with a basic structure of CMOS latch cells has a level shift function, and these respective circuits may be incorporated into a single scanning type structural circuit with the drive circuit-integrated liquid crystal display device to provide an LCD panel with an extremely narrow picture frame, stable level shift operation, stable sampling & latch operation in a circuit structure having an extremely small number of components, low power consumption and a small surface area. | 2008-09-18 |
20080224973 | Color Sequential Backlight Liquid Crystal Displays and Related Methods - A color LCD arrangement with a lower substrate, an upper substrate, liquid crystal material between the lower substrate and upper substrate, and a backlight unit with light sources. The backlight unit is divided into a plurality of segments. Each segment has a light source arrangement to generate light with at least a first and a second color. The light sources are driven such that during different fields within a frame different color driving schemes for the segments are used. This provides for a spreading of the color light up both in time and in location, thus, seriously reducing the color break-up problem. | 2008-09-18 |
20080224974 | Liquid crystal display - In one embodiment, a display device, comprises a liquid crystal module, a backlight assembly comprising an array of red light emitting diodes, an array of green light emitting diodes, and an array of green light emitting diodes, and a timing controller to drive the array of red light emitting diodes, the array of green light emitting diodes, and the array of green light emitting diodes in successive illumination cycles, wherein the timing controller inserts a black frame cycle between each illumination cycle. | 2008-09-18 |
20080224975 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A method for driving a display device includes: dividing an entire gray-scale region corresponding to a data gray scale into a first gray-scale region and a second gray-scale region and setting a first gamma value of the first gray-scale region and a second gamma value of the second gray-scale region, the first gamma value being smaller than the second gamma value; providing a first gray-scale display voltage corresponding to the data gray scale to a display panel during a first section of one horizontal period by using the first gamma value or the second gamma value selected by an inputted data gray scale; and providing a second gray-scale display voltage corresponding to a black gray scale to the display panel during a second section of the one horizontal period. | 2008-09-18 |
20080224976 | Method and apparatus for temporally/spatially randomly dithering and liquid crystal display using the same - A method of temporally and/or spatially randomly dithering, to facilitate converting an input M-bit subpixel signal into an (M−N)-bit subpixel signal, may include spatially and/or temporally randomly generating a dithering mask pattern satisfying a condition that a spatial mean and/or a temporal mean of an image signal before dithering matches a spatial mean and/or a temporal mean of the image signal after dithering, respectively, and converting the M-bit subpixel signal into the (M−N)-bit subpixel signal using the dithering mask pattern. | 2008-09-18 |
20080224977 | METHOD AND APPARATUS FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE - An apparatus for driving a liquid crystal display includes a picture quality improving unit that extracts a brightness component from first data, analyzes the brightness using the extracted brightness component, and generates second data having a contrast in accordance with the analyzed brightness. The contrast of the second data is extended from that of the first data. A timing controller rearranges the second data to supply the second data to a data driver. A backlight supplies the light to a liquid crystal panel in accordance with a driving current. An inverter supplies the driving current to the backlight. | 2008-09-18 |
20080224978 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display is capable of minimizing power consumption and providing an excellent image quality by having a varying array wire structure of the liquid crystal display so that the liquid crystal display can employ a low driving voltage and obtain advantages of a dot inversion drive system. Also, a driving method thereof is disclosed. | 2008-09-18 |
20080224979 | METHOD FOR IMPROVING IMAGE QUALITY OF A DISPLAY DEVICE WITH LOW-TEMPERATURE POLY-SILICON THIN FILM TRANSISTOR - The Low-Temperature Poly-Silicon thin film transistor display device of the invention arrayed with a plurality of gate lines and data lines and a switch unit and a pixel unit are located in the intersection of scan line and the data line. The device comprises a gate driven unit a data driven unit and a control unit wherein the gate driven unit provides a plurality of gate voltages to the gate lines to drive the switch unit, the data driven unit sends the corresponding video data to the gate lines, and the control unit controls the transmitting sequence of the video data to the data lines. The method of the invention includes the steps of: gate driven unit providing every N scanning signals to the scan lines and then the data driven unit switching the transmitting sequence of the video data. | 2008-09-18 |
20080224980 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a plurality of gate lines having odd-numbered gate lines and even-numbered gate lines, a plurality of source lines, a first gate driver which drives the odd-numbered gate lines, a second gate driver which drives the even-numbered gate lines and a driving controller which outputs an overdriven image signal in at least one driving period of a plurality of driving periods and outputs a normal image signal in remaining driving periods of the plurality of driving periods. The overdriven image signal is obtained by adding an overdrive voltage to the normal image signal, and the overdrive voltage is set according to a level of the normal image signal. | 2008-09-18 |
20080224981 | Temperature-dependent overdrive circuit for LCD panel and method of implementing the same - A circuit for overdriving an LCD panel according to an image data and a temperature, and the corresponding are disclosed. The circuit includes: a memory for storing a previous image data; a plurality of LUTs, each coupled to receive the previous image data from the memory and a present image data, for storing overdrive values; a first temperature sensor, for sensing the temperature of a first area of the LCD panel to generate a first temperature data; a control circuit, for generating a selection signal and a temperature correction coefficient according to the first temperature data; a selection circuit, coupled to the plurality of LUTs, for selecting one LUT from the plurality of LUTs according to the selection signal and outputting the overdrive value of the selected LUT; and an overdrive processor, for generating adjusted image data according to the overdrive value and the temperature correction coefficient. | 2008-09-18 |
20080224982 | Electro-optical device, driving circuit, and electronic apparatus - The object of the present invention is to decrease a frame size in a case where data lines are driven by using a demultiplexer. The data lines | 2008-09-18 |
20080224983 | METHOD OF COMPENSATING FOR KICK-BACK VOLTAGE AND LIQUID CRYSTAL DISPLAY USING THE SAME - A method and apparatus of compensating for a kick-back voltage to reduce the generation of flicker in a liquid crystal display (LCD). The method of compensating for a kick-back voltage includes correcting input pixel data using a kick-back correction function that meets a condition on which a response characteristic of a voltage detected from a pixel electrode of a liquid crystal cell for a positive input pixel signal and a response characteristic of a voltage detected from the pixel electrode of the liquid crystal cell for a negative input pixel signal become symmetrical without causing a saturation state on a basis of a kick-back voltage measured from an LCD panel to generate corrected pixel data, and driving the LCD panel using the corrected pixel data. | 2008-09-18 |
20080224984 | METHOD FOR DRIVING A DISPLAY PANEL - A method for driving a display panel is provided. The display panel includes a first scan line, and the first scan line includes sub-pixels. A first portion of the sub-pixels is controlled by a first gate line, and a second portion of the sub-pixels is controlled by a second gate line. The arrangement of the sub-pixels of the first portion and the second portion are in an interlaced arrangement. The method includes the following steps. First, drive the first gate line and then drive the second gate line in a first image duration. Then, drive the second gate line and then drive the first gate line in a second image duration. | 2008-09-18 |
20080224985 | SHIFT REGISTER - A shift register is disclosed, which can prevent malfunctioning of device by decreasing the load on a discharging voltage source line, and can decrease a size of stage. The shift register comprises a plurality of stages to sequentially output scan pulses through respective output terminals, wherein each of the stages comprises a pull-up switching unit controlled based on a signal state of node, and connected between the output terminal and any one among a plurality of clock transmission lines to transmit the clock pulses provided with sequential phase differences; and a node controller to control the signal state of node, and to discharge the node by using the clock pulse from any one among the plurality of clock transmission line. | 2008-09-18 |
20080224986 | COLOR SEQUENTIAL DISPLAY HAVING BACKLIGHT TIMING DELAY CONTROL UNIT AND METHOD THEREOF - A color sequential display having backlight timing delay control unit and method thereof are described. The color sequential display includes a liquid crystal panel, a backlight source, a driving circuit, and a backlight delay control unit. The driving circuit generates a pixel voltage to drive the liquid crystal panel. The backlight delay control unit controls to delay the time of the turn-off status of the backlight source and thus adjusts the time of the turn-off between an end point of the second time interval of the at least one first sub-frame and an end point of the first time interval of the at least one second sub-frame. | 2008-09-18 |
20080224987 | Method for displaying a moving image on a display - A method for displaying a moving image on a display, such that all pixel lines of the display are addressed in each case during image periods for displaying image information, and a backlight for displaying the image information backlights the pixel lines. The display of moving images is enhanced by the fact that the pixel addresses remain unchanged during a first image period and a second image period, following the first image period, for displaying the same image information, and after the first image period, the backlight backlights the pixel lines following a waiting period. | 2008-09-18 |
20080224988 | HANDHELD DEVICES AS VISUAL INDICATORS - A computing device and methods of operating computing devices are disclosed. The computing device includes a backlit display that provides visual stimulus for relaying information to a user or a user's surroundings. | 2008-09-18 |
20080224989 | Electrophoretic Display and a Method and Apparatus for Driving an Electrophoretic Display - An electrophoretic display, in which a driving method is employed whereby a sequence of discrete picture potential differences in the form of a driving waveform is supplied for enabling the charged particles ( | 2008-09-18 |
20080224990 | ACTIVE MATRIX CIRCUIT SUBSTRATE AND DISPLAY DEVICE - Provided is an active matrix circuit substrate including: a substrate on which a plurality of pixels are formed in a predetermined region; a plurality of pixel electrodes which are respectively provided in the pixels formed on the substrate and include peripheral pixel electrodes which protrude from the predetermined region to an outer region of the predetermined region; and pixel driving circuits which are provided in the predetermined region of the substrate in correspondence with the pixel electrodes and supply driving signals to the pixel electrodes. | 2008-09-18 |
20080224991 | Repairing Method and Structure of Display Electrode - A display electrode structure and the repairing method thereof are described. The display electrode structure includes a display electrode and at least one opening formed on the display electrode and extending toward the inside of the display electrode so as to easily repair a display electrode defect thereon. The display electrode repairing method uses a laser beam to cut a display electrode from the opening and along the metal line to separate the display electrode from an adjacent display electrode so as to remove a short circuit between the display electrode and the adjacent display electrode. | 2008-09-18 |
20080224992 | ELECTROPHORETIC DISPLAY AND METHOD OF DRIVING THE SAME - In an electrophoretic display, a display panel includes a first electrode receiving a data voltage, a second electrode receiving a common voltage while facing the first electrode and a plurality of pixels each of which includes charged particles arranged between the first electrode and the second electrode. The display panel receives the data voltage in response to a gate signal at a high state during a data output period to display an image, maintains a current image in response to the gate signal at a low state during a maintaining period, and receives a refresh voltage in response to the gate signal at the high state to reset the image. Thus, the electrophoretic display may prevent distortion of the image during the maintaining period. | 2008-09-18 |
20080224993 | In-Plane Switching Display Devices - A display device comprises an array of rows and columns of pixels, wherein each pixel ( | 2008-09-18 |
20080224994 | Slide Operation Apparatus - A slide operation apparatus capable of preventing a movable unit from being unintentionally moved in a box body, while being easy to assemble and simple in construction. The movable unit includes a gondola to which an operating element is fixed. The gondola is adapted to be movable relative to upper and lower guide bars. A sliding contact assembly includes a plate spring to which an insulation sheet is assembled. The sliding contact assembly in a curved state is mounted to a fixture portion of the operating element by having pawls of the plate spring engaged with notches formed in the fixture portion. During the entire movement process of the movable unit, the curved convex portion of the sliding contact assembly is in sliding contact with the lower guide bar. | 2008-09-18 |
20080224995 | Input Device, Input Method, Corresponding Computer Program, and Corresponding Computer-Readable Storage Medium - The invention related to an input device and an input method as well as a corresponding computer program and a corresponding computer-readable storage medium, which can be used, in particular, to very precisely change parameters in data processing programs or electric devices in conjunction with a graphic user interface (GUI). It is therefore proposed to employ an input device with a rotary controller for controlling programs via a graphic user interface of a data processing system, wherein the input device is configured to generate a signal string when the rotary controller is actuated, which causes an operating system of the data processing system to change the values of the data used for positioning a cursor on the graphic user interface so that the cursor is moved on the graphic user interface on a substantially linear curve, when the cursor is visualized according to the data used for positioning. | 2008-09-18 |
20080224996 | OPERATION INPUT DEVICE AND ELECTRONIC INSTRUMENT USING THE SAME - The present invention provides a low-profile operation input device of which assembling work is easily performed and the productivity is high. An operation input device includes a base; a printed board in which a plurality of push-button switches are mounted on a circumference while an MR sensor is mounted, the printed board being integrally provided on the base; a ring operation plate placed on the push-button switches; a ring operation dial in which a ring magnet is integrally provided in a concentric fashion on a lower surface, the ring operation dial being coaxially placed on the operation plate; and a fixture inserted in a fixing hole of the operation dial, the fixture coupling at least two elastic pawls to the base, thereby retaining the operation dial while rotatably supporting the operation dial, the elastic pawls being projected from a lower surface of the fixture. | 2008-09-18 |
20080224997 | Computer Cursor Control Method and Apparatus - A computer cursor control apparatus operating in a mouse mode or a non-mouse mode in response to a switch signal is provided. When operating in the mouse mode, the computer cursor control apparatus outputs a wireless signal to a wireless signal receiving unit for determining the displacement of the computer cursor control apparatus to generate a cursor-moving signal, and then display the cursor-moving signal on the monitor of a host. On the other hand, in the non-mouse mode, the pressuring signal is packeted into the wireless signal transmitted from the computer cursor control apparatus such that the host receives not only the cursor-moving signal through the wireless receiving module, but also receives the pressuring signal. In addition, the host displays the cursor-moving signal on the monitor as a moving trace with a thickness depending on the pressuring signal. | 2008-09-18 |
20080224998 | Computer Cursor Control Method and Apparatus - A computer cursor control apparatus operating in either the mouse mode or the non-mouse mode is determined by the switch signal. When the computer cursor control apparatus is operating in the mouse mode, the cursor-moving module calculates the cursor-moving signal and outputs it on the monitor of a host for display. On the other hand, when the computer cursor control apparatus is operating in the non-mouse mode, the cursor-moving signal and the pressuring signal, generated by the cursor-moving module and pressure sensing unit respectively, are packaged together and outputted to the host. In response to the cursor-moving signal, the host displays a moving trace on the monitor, with the thickness of the moving trace varying based on the pressuring signal. | 2008-09-18 |
20080224999 | Apparatus and method for information processing and storage medium therefor - In a game apparatus, when a user name input mode is selected on a screen displayed with a mode selecting software input region, a user name inputting software input region (including a software keyboard area, and an SW button (decision) and an SW button (cancel) which are formed at positions other than a position of the software keyboard area) is set on a displaying portion. When the SW button (decision) or the SW button (cancel) is touched, a process just as an HW button (A) or an HW button (B) is operated is executed. When a cursor is moved by an HW button (cross) in order to designate or select any one of the SW buttons within the software keyboard area, a combined mode is established to form a user name inputting software input region (an expanded software keyboard area, and an SW button (input) and an SW button (erase) which are formed at positions other than a position of the expanded software keyboard area) on the displaying portion. At this time, within the expanded software keyboard area, the SW button (decision) and the SW button (cancel) are set. | 2008-09-18 |
20080225000 | Cancellation of Environmental Motion In Handheld Devices - A method, system and computer program product for compensating the environmental motion in handheld devices. A sensor unit is affixed to an object in the environment to detect and measure environmental motion. Upon measuring any detected environmental motion, the sensor unit transmits a value corresponding to the measured environmental motion to one or more handheld devices. Alternatively, the sensor unit may transmit the value corresponding to the measured environmental motion to a unit configured to retransmit the value to one or more handheld devices. Upon receiving the value corresponding to the measured environmental motion, the handheld device cancels this environmental motion from the motion it measured thereby taking into consideration only the motion inputted by the user of the handheld device. | 2008-09-18 |
20080225001 | Method For Controlling an Interface Using a Camera Equipping a Communication Terminal - The invention concerns a method for controlling a graphic, audio and/or video interface using a camera equipping a communication terminal which consists in acquiring and/or storing a first image, acquiring and storing a new image, computing the apparent movement by matching both images, interpreting, in accordance with a predetermined control mode, the apparent movement, into user commands, storing in a memory of said terminal the user commands, modifying the display or sound of the terminal according to the user commands and optionally inputting a command validating an element or a graphic zone, or menu opening or triggering or scrolling an audio or video file, or triggering a sound superimposition above a sound track, or executing a task or application by the user on the communication terminal and optionally transmitting same to a second terminal. | 2008-09-18 |
20080225002 | JOYSTICK WITH A SENSOR DEVICE - A joystick ( | 2008-09-18 |
20080225003 | Computer Input Device - A computer input device is disclosed, including a base element arranged for resting on a surface, detecting device for detecting movement of the base element relative to the surface, communication device for communicating information about the movement to a computer, and a grip element connected to the base element in the direction of a connection axis. The base element is provided with a recess, and the grip element extends into the recess, where it is pivotably arranged relative to the base element and where it is prevented from rotating relative to the base element round its connection axis. There is also disclosed a base element, arranged for resting on a surface and connectable to a grip element to form a computer input device in conjunction therewith. The base element is provided with a recess adapted for receiving the grip element pivotably therein such that the grip element is prevented from rotating relative to the base element round a connection axis thereof. | 2008-09-18 |
20080225004 | WIRELESS MOUSE - A wireless mouse includes a main body, a cover disposed above the main body, a circuit board mounted in the main body, a power switch disposed on the circuit board configured for controlling power supply from a power source to the circuit board, and a trigger mounted on the cover and movable relative to the cover. When a user depresses the cover, the trigger actuates the power switch to allow the power source providing power to the wireless mouse; when the user releases the cover, the trigger releases the power switch to interrupt power to the wireless mouse. | 2008-09-18 |
20080225005 | HAND-HELD MICRO-PROJECTOR PERSONAL COMPUTER AND RELATED COMPONENTS - A mobile personal computer comprising a case sized for handling by a single, adult human hand, a micro-projector system maintained by the case, and a speech recognition system maintained by the case and including a microphone. A microprocessor is maintained within the case and electronically connected to the micro-projector system and the speech recognition system. The microprocessor utilizes a personal computer operating system to perform computing operations. A power source is maintained within the case. Finally, a linear touch pad array adapted to operate as a user interface is assembled to the case such that at least a segment of the linear touch pad array is curved. | 2008-09-18 |
20080225006 | Universal Touch Screen Keyboard - The invention relates to a touch screen keyboard, characterized in that it comprises a screen with a tactile faceplate ( | 2008-09-18 |
20080225007 | 3D Pointing Method, 3D Display Control Method, 3D Pointing Device, 3D Display Control Device, 3D Pointing Program, and 3D Display Control Program - A three-dimensional pointing method is disclosed. In the three-dimensional pointing method of the present invention, a desired point in a three-dimensional space represented on a display apparatus is pointed at based on two-dimensional coordinates of a position that is pointed at by a pen tip of an input pen on a predetermined detection plane, and, based on pen pressure that is pressure applied to the pen tip of the input pen, time for continuing to point or operation of an operation means provided in the input pen. In addition, in the three-dimensional pointing method of the present invention, a depth direction coordinate of a three-dimensional pointer to be displayed in the three-dimensional space is changed according to the pen pressure of the input pen, the time for continuing to point or the operation of the operation means provided in the input pen, and the three-dimensional pointer is displayed. | 2008-09-18 |
20080225008 | SYSTEM AND METHOD FOR DRIVING AND RECEIVING DATA FROM MULTIPLE TOUCH SCREEN DEVICES - In one embodiment, multiple touch screen devices are driven from a graphics signal. A general-purpose computer provides a graphics signal of a particular display resolution. A display segmentor is configured to divide each graphics frame of the graphics signal into a plurality of pixel groups, each pixel group associated with a particular touch screen device of the plurality of touch screen devices. The display segmentor is further configured to generate an individual graphics signal from each pixel group, each individual graphics signal having a display resolution that is lower than the particular display resolution. One or more interfaces transmit each individual graphics signal to a different touch screen device of the plurality of touch screen devices. | 2008-09-18 |
20080225009 | Touch-initiated power-saving clock system and method for touch screen controller - A touch screen controller circuit ( | 2008-09-18 |
20080225010 | Wait mode pen-touch detection and method for touch screen controller - A touch screen controller ( | 2008-09-18 |
20080225011 | Position detecting apparatus, position inputting apparatus, and computer including the same - A position detecting apparatus includes a display apparatus having a screen for displaying images by changing states of a plurality of display elements arrayed in the screen along a predetermined direction which is parallel to a side boundary of the screen, and at least one detecting conductor disposed on the display apparatus to detect a position indicated on the display apparatus. The at least one detecting conductor is a loop coil having short sides and long sides, the long sides of the loop coil being arranged so as to cross the predetermined direction of the display elements. | 2008-09-18 |
20080225012 | Touch frame interface - A plurality of switches are disposed about the periphery of a display. The switches input information from a user to a controlled electronic device. By pressing down on any point of the periphery of the display, two switches disposed at the corners adjacent to the pressed side are operated. A cursor, responsively coupled to the switches, moves towards the frame side that is pressed. Alternatively, displayed text can be made to move away from the side that is pressed. Further, by pressing down simultaneously on two points disposed on opposite sides of the display, a display item that is associated with the present cursor position is selected. | 2008-09-18 |
20080225013 | Content Playback Device With Touch Screen - The invention concerns a content playback device comprising a touch-sensitive surface superposed with an integrated display the first display can be disabled and wherein the touch-sensitive surface and control means cooperate to provide user control functions of content playback independently of whether the display is enabled or disabled. The invention also concerns methods for controlling playback content, and in particular a method according to which both touch screen position dependent function selection and one position independent function selection are used in conjunction with the same playback device. | 2008-09-18 |
20080225014 | ELECTRONIC DEVICE AND METHOD OF CONTROLLING MODE THEREOF AND MOBILE COMMUNICATION TERMINAL - A mobile communication terminal, an electronic device, a computer program product, and a method of controlling including receiving a control signal for controlling a predetermined area; and controlling a size and an operating mode of a screen by the control signal. Therefore, various operation modes can be easily selected, and a plurality of touch signals can be recognized and processed. | 2008-09-18 |
20080225015 | INPUT DEVICE - A first planar input unit includes a transparent first substrate and a transparent second substrate that are stacked on each other. On an electrode formation surface of the first substrate, transparent Y-driving electrodes and transparent shielding layers are formed. On an electrode formation surface of the second substrate, X-driving electrodes and first detection electrodes are formed. At the rear of the first substrate, a display unit, such as a liquid crystal panel, is provided. Since the shielding layers are located between the display unit and the first detection electrodes, a change in the potential of the first detection electrodes is prevented from being adversely affected by noise emitted from the display unit. | 2008-09-18 |
20080225016 | Control panel and washing machine having the same - A control panel and a washing machine, capable of providing an aesthetic external appearance and preventing characters or symbols which indicate control functions from being erased and preventing the characters or symbols from being displayed when the operation stops or the control functions are not used. The control panel includes a semi-transparent cover, a film disposed behind the semi-transparent cover and printed with a plurality of characters or symbols, a detecting panel disposed behind the film and having a plurality of detecting members detecting a capacitance of a human body, a circuit board having a light emitting unit irradiating light onto the film to display the characters or the symbols of the film on a rear surface of the semi-transparent cover, and a guide member having a plurality of optical paths guiding light irradiated from the light emitting unit into each of the characters or the symbols of the film. | 2008-09-18 |
20080225017 | Refined Coordinate Detection Method and Error Correction Method for Touch Panel - A refined coordinate detection method for a touch panel, which more finely measures coordinates of an object without increasing the number of infrared emitting/receiving elements, and an error correction method, which minimizes position detection errors caused by received optical level errors due to external environment or their inherent characteristics, are provided. In the detection method, received levels of infrared emitting/receiving elements corresponding to left and right ends of object are measured and stored and the levels and a maximum received level are compared to calculate the refined coordinates. In the correction method, a lower limit level at a position where infrared reception is most significantly impeded by object is calculated through a comparison calculation of maximum and minimum received levels and it is detected that an object is present at a position only when a lower limit level at that position is not greater than the calculated one. | 2008-09-18 |
20080225018 | Handheld Electronic Processing Apparatus and a Method of Operating the Same - A personal digital assistant (PDA) ( | 2008-09-18 |
20080225019 | Electronic ink pen structure with an immediate charging function - An electronic ink pen structure with an immediate charging function includes a casing, a refill, a light-emitting element, a double-layered capacitor, two conductive pieces, and a repositioning module. The refill is movably disposed in the casing, and has a pen nib on a front side that is exposed outside a front side of the casing. The light-emitting element is disposed in the casing, next to one side of the refill. The double-layered capacitor electrically connects with the light-emitting element. One side of each conductive piece is exposed outside the casing and the other side is disposed in the casing for electrically connecting with a positive side and a negative side of the electrode of the double-layered capacitor. The repositioning module is disposed between the light-emitting element and the double-layered capacitor, and the repositioning module has a magnetic repulsor for making the refill stay in its original position. | 2008-09-18 |
20080225020 | ELECTRONIC APPARATUS - An electronic apparatus including a housing in a plate shape, a display screen arranged in an area excluding a peripheral area adjacent to a side surface, on the front surface of the housing, and a grooved part which is formed on the peripheral area along the circumference of the peripheral area. | 2008-09-18 |
20080225021 | Multi-Primary Driving Values Calculation Unit and Method - The calculation unit ( | 2008-09-18 |
20080225022 | ORGANIC LIGHT EMITTING DISPLAY, AND DRIVING METHOD THEREOF - An organic light emitting display and a method for driving the same, which may shorten a charge time of a data signal in a pixel. A display region includes a pixel for receiving a data signal, a scan signal, an emission control signal, and drive voltages and for operating in response thereto. A data driver generates and transfers the data signal. The data signal is has an over drive period and a gradation expression period, and the data signal has a voltage during the over drive period higher than that during the gradation expression period. A scan driver generates and transfers the scan signal and the emission control signal through a scan line. | 2008-09-18 |
20080225023 | DRIVE CIRCUIT AND DRIVE METHOD OF LIGHT EMITTING DISPLAY APPARATUS - A drive circuit for a light emitting display apparatus including a pixel circuit having a light emitting device for emitting a light having brightness determined based on supplied current and a drive transistor for supplying the current to the light emitting device, comprises a threshold value correction circuit converting a second signal including a threshold voltage of the drive transistor and a data voltage, the second signal being output from the drive transistor when a first signal including the data voltage is input into the control electrode of the drive transistor, into a third signal including the threshold voltage of an inverted polarity and the data voltage or a voltage corresponding to the data voltage, to output the converted third signal to the pixel circuit. The pixel circuit includes a switch for supplying the third signal to the control electrode of the drive transistor. | 2008-09-18 |
20080225024 | ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS - An electro-optical device includes data lines divided into groups of M data lines, where N is a natural number equal to or greater than three. Output lines are arranged in correspondence with the data lines and receive, during a predetermined period, output of a correction voltage having a predetermined voltage level and sequential data voltages for defining gray scale levels of the pixels. A time division circuit simultaneously supplies the correction voltage output to the output line to M data lines of each group of data lines, where M is a natural number equal to or greater than two and equal to or less than “N−1”. | 2008-09-18 |
20080225025 | Display device and electronic apparatus - A transistor connected to a power source for driving a light-emitting element driving transistor and a transistor setting to a predetermined voltage a source voltage of the light-emitting element driving transistor are commonly controlled by a control signal that takes one of three levels. | 2008-09-18 |
20080225026 | Display apparatus, driving method thereof, and electronic system - A display apparatus includes: a pixel array section including a row of first and second scanning lines, a column of signal lines, and pixels in a matrix, each of the pixels disposed at an intersection of both of the lines; and a drive section. The drive section performs line progressive scanning on the pixels. The pixel includes a light emitting device, a sampling transistor, a driving transistor, a switching transistor, and a holding capacitor. The sampling transistor samples a video signal on the signal line to hold the signal potential in the holding capacitor, the driving transistor makes the light emitting device conductive to be in a luminous state in accordance with the held signal potential, and the switching transistor becomes ON in accordance with the control signal supplied in advance of the sampling of the video signal to change the light emitting device to a non-luminous state. | 2008-09-18 |
20080225027 | Pixel circuit, display device, and driving method thereof - Disclosed herein is a display device including a pixel array unit and a control unit. | 2008-09-18 |
20080225028 | Method for Driving a Light Emitting Tube Array - A light emitting tube array drivable in an ADS subfield mode wherein a fluorescent material layer is arranged on an inner wall of each light emitting tube sandwiched between a front substrate and a rear substrate, a discharge gas is airtightly put therein, and a plurality of electrodes formed for generating discharge in the light emitting tube are formed on the front substrate and the rear substrate has a problem that a discharge error is caused so that its cells wherein light emission should be caused do not emit light since the volume of its discharge spaces is extremely larger than that in plasma display panels or since the discharge spaces are partitioned by the light emitting tubes. The inventors have invented a method for driving a light emitting tube array, which has a structure as above described, drivable in an ADS subfield mode, wherein the electric potential of a first pulse in a sustain term and the width thereof, which corresponds to the applying time of the pulse, are appropriately set, thereby preventing the discharge error. | 2008-09-18 |
20080225029 | Driver for reducing a noise, display device having the driver, and method thereof - A driver may include a plurality of data output units and/or a multi-phase clock generator. The plurality of data output units may be configured to output data based on a plurality of clock signals. The multi-phase clock generator may be configured to receive a master clock signal to generate the plurality of clock signals having different phases in a period of the master clock signal and/or to provide the clock signals to the data output units. A number of the clock signals may correspond to a number of the data output units. | 2008-09-18 |
20080225030 | Display with multiplexed pixels and driving methods - A multiplexed pixel display includes a plurality of pixel electrodes, a plurality of storage elements, a first voltage supply terminal, a second voltage supply terminal, a common electrode, and a plurality of multiplexers each selectively coupling an associated one of the pixel electrodes with one of the first voltage supply terminal and the second voltage supply terminal responsive to a value of a data bit stored in an associated one of said storage elements. A controller is configured to sequentially write each bit of multi-bit data words to the storage elements, and assert, while each bit is stored in the storage elements, a first predetermined voltage on the first voltage supply terminal, a second predetermined voltage on the second voltage supply terminal, and a third predetermined voltage on the common electrode, for a time dependent on the significance of the stored bit. Various alternate controllers facilitate the use of additional driving schemes. | 2008-09-18 |
20080225031 | COMMON VOLTAGE OUTPUT METHOD AND DISPLAY DEVICE UTILIZING THE SAME - A display device comprises a detection controller, common voltage generator and multilevel common voltage selecting circuit. The detection controller detects a display pattern of a display array to transmit a control signal. The common voltage generator generates first and second common voltages. The multilevel common voltage selecting circuit receives the first common voltage, the second common voltage, and the control signal and outputs the first common voltage and the second common voltage or only the first common voltage according to the control signal. | 2008-09-18 |
20080225032 | IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, COMPUTER-READABLE RECORDING MEDIUM STORING IMAGE FORMING PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM STORING OPERATION CONTROL PROGRAM - An image forming apparatus includes a display section for displaying an image associated with an operation of the apparatus. An operating section receives operating instructions and a user ID from a user. A panel display log storage section stores a panel display log which has been inputted from the operating section and associated with the user ID. A communication section transmits the panel display log to a server through a network together with the panel display log associated with the user ID and receives from the server customized display information formed in the server based on the transmitted panel display log. A customized display image forming section takes in the received customized display information and forms a customized display image to be displayed on the display section. The image display controller controls the display section to display the customized display image on the display section. | 2008-09-18 |
20080225033 | Display Devices and Row Voltage Generation Circuits - A display device comprises an array ( | 2008-09-18 |
20080225034 | Image sticking erasing circuit and method for using the same - The image sticking erasing circuit includes a detection circuit and a switching circuit connected to the detection circuit. The detection circuit is for use in detecting a first voltage signal, which closely follows the variation of the voltage source, and a reference voltage, which loosely follows the variation of the voltage source. When the detection circuit determines that the first voltage signal is lower than a first threshold value, the switching circuit switches the gate of a driving transistor to a second voltage signal, which loosely follows the voltage source. When the detection circuit determines that the reference voltage signal is lower than a second threshold value, the switching circuit switches the gate of a driving transistor to a low voltage state. | 2008-09-18 |
20080225035 | Liquid Crystal Display and Pulse Adjustment Circuit Thereof - A liquid crystal display comprises a power supply, a pulse adjustment circuit, and a gate driver. The pulse adjustment circuit is connected between the power supply and the gate driver. The power supply provides power signals. The pulse adjustment circuit adjusts the plurality of pulses of the power signals or selects the appropriate voltage levels for the power signals to have cutting angles or enlarged amplitudes, whereby the influence of the feedthrough voltage on the thin film transistors of the driving circuit would be reduced so that the display quality of the liquid crystal display is improved. | 2008-09-18 |
20080225036 | Liquid crystal display - A disclosed display includes a display panel including a first group of data lines and second group of data lines, a plurality of gate lines crossing the first and a second groups of data lines, and a plurality of picture cells arranged in a matrix. The display also includes a first source PCB coupled to first data integrated circuits (ICs) to supply first data voltages to the first group of data lines and a second source PCB coupled to second data ICs to supply second data voltages to the second group of data lines. The display further includes a timing controller having a single output port with a plurality of output pins which are configured to output video data to both the first and second data ICs, and to output a timing control signal to control both the first and second data ICs. In addition, the display includes a first connection cable coupling the single output port of the timing controller to at least one of the first and second source PCBs to transmit the video data and the timing control signal from the timing controller to the at least one of the first and second source PCBs. The first data ICs and second data ICs are configured to generate the first and second data voltages, respectively, based on the video data and the timing control signal. | 2008-09-18 |
20080225037 | APPARATUS AND METHOD FOR TRUNCATING POLYHEDRA - An apparatus for creating truncated polyhedra without using complex formulas and without requiring advanced computer processors and computer memory according to one embodiment includes at least one processor, means for inputting vertex data to the processor, a display in data communication with the processor, and computer memory coupled to the processor. The computer memory has recorded within it machine readable instructions for storing vertex data previously input to the processor, truncating a polyhedron created using the vertex data, and actuating the display. The instructions for truncating a polyhedron utilize length data and angle data for triangles formed from the vertex data. | 2008-09-18 |
20080225038 | DISPLAY APPARATUS HAVING A PLURALITY OF INPUT TERMINALS AND METHOD THEREOF - A display apparatus having a plurality of input terminals is provided. The display apparatus includes a plurality of input terminals, and an output unit for displaying on a screen a graphic image corresponding to the arrangement of the plurality of input terminals. Graphic images corresponding to an arrangement of the plurality of input terminals provided in the display apparatus are displayed on a screen so that a user can easily determine a connection state of the external apparatus. A method for displaying a graphic image corresponding to an arrangement of the input terminals of a display apparatus is also provided. | 2008-09-18 |
20080225039 | DISPLAY CONTROL APPARATUS FOR ENHANCING THE VISIBILITY OF DISPLAYED INFORMATION - A display control apparatus which improves the visibility of a display unit (for example, wristwatch) having a normal display section and a normal non-display section provided outside the normal display section along its at least one side. When it is not sensed that the display unit is inclined at a predetermined angle to a horizontal surface, time information is displayed in a normal size on the normal display section. When it is sensed that the display unit is inclined at the predetermined angle to the horizontal surface, the time information is displayed in an enlarged size on a whole of the normal display and non-display sections for a predetermined time. | 2008-09-18 |
20080225040 | SYSTEM AND METHOD OF TREATING SEMI-TRANSPARENT FEATURES IN THE CONVERSION OF TWO-DIMENSIONAL IMAGES TO THREE-DIMENSIONAL IMAGES - A two dimensional image which has a semitransparent object in the foreground of the image has three contributions to the final color shown in a pixel where the semitransparent object is present. Properties of a semitransparent object and background in the given two dimensional image are processed to determine the contribution of the background color of the image, the foreground color of the object, and the alpha channel of the object. Once these properties are determined, the accurate stereoscopic rendering of the semitransparent object in front of the background allows the two dimensional image to be converted to three dimensions. | 2008-09-18 |
20080225041 | Method and System for Vision-Based Interaction in a Virtual Environment - A method and system for vision-based interaction in a virtual environment is disclosed. According to one embodiment, a computer-implemented method comprises receiving data from a plurality of sensors to generate a meshed volumetric three-dimensional representation of a subject. A plurality of clusters is identified within the meshed volumetric three-dimensional representation that corresponds to motion features. The motion features include hands, feet, knees, elbows, head, and shoulders. The plurality of sensors is used to track motion of the subject and manipulate the motion features of the meshed volumetric three-dimensional representation. | 2008-09-18 |
20080225042 | SYSTEMS AND METHODS FOR ALLOWING A USER TO DYNAMICALLY MANIPULATE STEREOSCOPIC PARAMETERS - The present invention is directed to systems and methods for controlling 2-D to 3-D image conversion. In one embodiment, stereo visualization and rendering of the final image is performed by allowing a user to independently select inter-ocular and convergence distances on a frame by frame basis. The user can view the effect of each selected parameter on a real-time basis and may, if desired, use interpolation and select parameters only for key frames. | 2008-09-18 |
20080225043 | Computer-Implemented Process and System for Creating a Parametric Surface - The invention is directed to a computer program product, a computer system, computer apparatus and a computer-implemented method for creating a parametric surface. The invention provides a base mesh having a plurality of outer or inner vertices with valence greater than two. The vertices define faces and at least one of the vertices is an extraordinary vertex. The invention converts faces of the base mesh into parametric elementary surfaces and trims at least one of said parametric elementary surfaces located in the vicinity of the extraordinary vertex. Trimming is performed according to: (i) at least two parametric elementary surfaces adjacent to a subject parametric elementary surface; and (ii) the base mesh. Next the invention constructs at least one parametric elementary surface, adjacent to the trimmed parametric elementary surface, wherein the resulting parametric elementary surfaces form the parametric surface. | 2008-09-18 |
20080225044 | Method and Apparatus for Editing Three-Dimensional Images - A method for editing three dimensional images comprises the steps of obtaining three dimensional data representative of an image ( | 2008-09-18 |
20080225045 | SYSTEMS AND METHODS FOR 2-D TO 3-D IMAGE CONVERSION USING MASK TO MODEL, OR MODEL TO MASK, CONVERSION - The present invention is directed to systems and methods for controlling 2-D to 3-D image conversion. In one embodiment, a mask is generated from an object model of the image. The mask is then used to from a 2-D mesh which is then converted to a 3-D volume mesh. The 3-D volume mesh is then used to produce 3-D image conversion. | 2008-09-18 |
20080225046 | THREE DIMENSIONAL IMAGE PROCESSING - A method of preparing on object files a first device that are used for rendering two-dimensional images of three-dimensional objects on a second device by processing data defining triangle primitives representing at least one three-dimensional object. A plurality of planar triangle primitives corresponding to a plurality of surface portions of the object are stored, where the plurality of triangle primitives are represented by vertex data. | 2008-09-18 |
20080225047 | THREE DIMENSIONAL IMAGE PROCESSING - A method of preparing on a first device object files used for rendering two-dimensional images of three-dimensional objects on a second device by processing object files containing data defining triangle primitives representing at least one three-dimensional object to determine a rendering order in which the triangle primitives may be rendered for creating a two-dimensional image in which the hidden surfaces are removed. A plurality of planar triangle primitives corresponding to a plurality of surface portions of the at least one object as vertex data are stored on the first device. | 2008-09-18 |
20080225048 | CULLING OCCLUSIONS WHEN RENDERING GRAPHICS ON COMPUTERS - An occlusion culling system is provided. In various embodiments, the occlusion culling system can combine a hierarchical object space tree with image space occlusion queries to reduce the number of occlusion queries that are issued to a GPU. In various embodiments, the occlusion culling system can enable culling of dynamic objects, identification of sections of a hierarchical tree representing objects to be rendered, and continuous refinement of the object hierarchy. The occlusion culling system can perform further refinements to reduce the number of occlusion queries that are issued to the GPU during rendering of computer graphics. | 2008-09-18 |
20080225049 | METHOD AND APPARATUS FOR GENERATING A PLURALITY OF STENCIL REFERENCE VALUES FOR A CORRESPONDING PLURALITY OF PIXELS OR PIXEL SAMPLES - Based on a driver programmable stencil reference value command, stencil reference value logic produces a plurality of stencil reference values for a corresponding plurality of pixels or pixel samples. At least one of the plurality of stencil reference values has a different value than at least one other of the plurality of stencil reference values. The driver programmable stencil reference value command may include a reference to instruction data or instruction data itself such that the graphics processing logic produces the plurality of stencil reference values based on the instruction data. Stencil logic performs a stencil test on the produced plurality of stencil reference values with respect to or without reference to a previously produced plurality of stencil values. Stencil logic performs stencil operations based on the result of the stencil test. | 2008-09-18 |
20080225050 | Image processing program and image processing system using same - By means of an image drawing program stored in a storage medium readable by an image processing system, the corresponding image processing system and the corresponding image drawing method, shadows are drawn for a plurality of characters, without imposing a large load on the processor, by referencing a shadow created in advance, and using the shadow for other characters to draw numerous humanoid shadows for display on one screen. | 2008-09-18 |
20080225051 | METHOD AND APPARATUS FOR THREE-DIMENSIONAL GRAPHICS, AND COMPUTER PRODUCT - A graphic apparatus that draws an object three-dimensionally using a level plane and a height-axis perpendicular to the level plane includes a receiving unit, a calculating unit, and a drawing unit. The receiving unit receives vertex data identifying a position of a top surface of the object on the level plane. The calculating unit calculates a modulation coefficient of luminance for the top surface based on a normal vector for the top surface and a light-source vector indicating a direction of a light source on the level plane. The drawing unit draws the top surface using the vertex data and the modulation coefficient, and a top surface of another object using the modulation coefficient. | 2008-09-18 |
20080225052 | Digital reading device and method - A digital reading device comprises a pair of tablet portions each having a display screen, with the tablets being foldable relative to each other between a closed position wherein the display screens are protected and not visible and an open position wherein the screens are adjacent and coplanar with respect to each other so as the present a book-like viewing area. A receiver is provided for receiving text and graphics separable into units or pages from a remote source and displaying the text and graphics on the display screens. The text and graphics received from the remote source may be stored in memory. A set of simple navigation keys is provided for storing the text and graphics in the memory and reading the text and graphics. | 2008-09-18 |
20080225053 | Image processing device, image processing method, and electronic instrument - An image processing device that supplies image data to a driver section of a display panel includes an encoding section that encodes image data on a block-by-block basis to generate encoded data, the image data corresponding to one scan line of an input image, the image data being divided into a plurality of blocks, a memory that stores the encoded data from the encoding section, and a decoding section that decodes the encoded data from the memory on a block-by-block basis to generate decoded data, the decoded data from the decoding section being supplied to the driver section. | 2008-09-18 |
20080225054 | DITHERING SYSTEM AND METHOD FOR USE IN IMAGE PROCESSING - A dithering system includes a linear transformer, a dither data generator, an adder and a shifter. The transformer linearly transforms M bit input data using a linear function having a predetermined gradient in order to generate and output M bit transform data. The dither data generator generates and outputs M−N bit dither data. The adder adds the M bit transform data and the M−N bit dither data to generate and output M bit correction data. The shifter cuts off the bottom M−N bits of the M bit correction data in order to generate and output the N bit output data. The dithering system and associated dithering method widely disperses an error generated due to a physical limit of a data bit that can be expressed by a low gray scale system throughout the entirety of the gray scales when high gray scale image data is converted to low gray scale image data. This is done without using a lookup table which avoids using valuable chip area. In addition, by utilizing a plurality of adders and shifters rather than a multiplier and divider, the number of required logic gates is remarkably reduced as well as reducing associated power requirements. | 2008-09-18 |
20080225055 | Method for obtaining primary color values of display device and method for establishing color correction tables of same - An exemplary method for obtaining primary color values via measuring color values of a display device, the method including: measuring tristimulus values when the display device respectively displaying a red, green, and blue monochromatic patterns, the red, green, and blue monochromatic patterns respectively having the largest intensity; measuring tristimulus values when the display device displaying a white pattern mixed by the red, green, and blue colors; calculating intensity values of the red, green, and blue colors of the white pattern. | 2008-09-18 |
20080225056 | Redistribution of N-Primary Color Input Signals Into N-Primary Color Output Signals - A method of redistributing an N-primary color input signal (IS) having a particular number≧4 (N) of input components (I | 2008-09-18 |
20080225057 | Selective image editing in a browser - Methods, tools, and systems are provided for editing an image in a browser. One method includes presenting an image in a browser, receiving a selection identifying an area of an image to transform and a transformation and transforming the area of the image in the browser without interaction with the server. | 2008-09-18 |
20080225058 | Effects applied to images in a browser - Methods, tools, and systems are provided for editing an image in a browser. One method includes presenting an image in a browser, receiving a selection from a user to transform the image and transforming the image in the browser without interaction with the server. | 2008-09-18 |
20080225059 | SYSTEM AND METHOD FOR USING OFF-SCREEN MASK SPACE TO PROVIDE ENHANCED VIEWING - Methods and apparatuses for compensating for clipped portions of one or more objects in an image provide a boundary mask portion adjacent to one or more edges of an image display. The boundary mask portion is used to display information which will fill clipped portions of the objects in the image. | 2008-09-18 |
20080225060 | Insertion of Graphics into Video Game - A video computer game is described that enables a user to generate and play a customized video game. The user retrieves a user generated pictorial background for placement in a graphics window in the game. User generated or previously provided objects are selected for placement on the background object. The pictorial background and selected objects are combined in a game workspace for editing. The combined background and objects are then placed into the graphics window of the game. A list corresponding to the selected objects is automatically created and placed in a list window of the game. The game may then be published or may be played privately by the user. During play of the game, the objects in the graphics window are selected and a selection indication is provided. | 2008-09-18 |
20080225061 | ELECTRONIC DEVICE, DISPLAY DEVICE, AND SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING THE SAME - A pixel having a transistor which controls a current value supplied to a load, a first storage capacitor, a second storage capacitor, and first to fourth switches is included. After the threshold voltage of the transistor is held in the second storage capacitor, a potential in accordance with a video signal is input to the pixel. Voltage obtained by adding a potential in which the potential in accordance with the video signal and the first storage capacitor are capacitively divided to the threshold voltage is held in the second storage capacitor in this manner, so that variation of a current value caused by variations in the threshold voltage of the transistor is suppressed. Thus, desired current can be supplied to the load such as a light-emitting element. In addition, a display device with little deviation from luminance specified by the video signal can be provided. | 2008-09-18 |
20080225062 | Drive Circuit, Display Apparatus, and Method for Adjusting Screen Refresh Rate - A display apparatus and a drive circuit for adjusting a screen refresh rate of the display apparatus and a method thereof are disclosed. The display apparatus comprises an OLED diode display array and a drive circuit. The drive circuit comprises a detection unit, a clock generating unit, and a timing control unit. The detection unit determines whether a plurality of frames displayed by the OLED diode display array are configured as a dynamic frame. The detection unit generates a first control signal when the displayed frames are not configured as a dynamic frame, and the detection unit generates a second control signal when the displayed frames are configured as a dynamic frame. The clock generating unit generates a clock signal, the frequency of which is a first frequency in response to the first signal, or a second frequency in response to the second signal. The first frequency is greater than the second frequency. The timing control unit sets the screen refresh rate of the display apparatus in response to the frequency of the clock signal. | 2008-09-18 |
20080225063 | Photo-curable ink-jet ink compositions, systems, and methods - The present invention is drawn to photo-curable ink-jet ink compositions, systems, and methods. One exemplary ink-jet ink composition includes a liquid vehicle, a milled pigment which has been milled in a milling solvent having minimal to no gas solvency for the milled pigment, and a photo initiator. In this embodiment, the composition can be ink-jettable at frequencies of at least 29 KHz without requiring degassing during printing. | 2008-09-18 |
20080225064 | PRINTING SYSTEM - In a printing system including a plurality of inkjet printing units and an ink tank commonly used thereby, wherein the ink tank is capable of notifying an amount of ink consumed thereby and has a memory for storing information relating to the ink consumption amount in a updatable manner, the memory access by the printing units is properly arbitrated. The printing system is provided with a storage section for storing the ink consumption amount notified from the respective printing units, a process section for reading the information from the memory and carrying out the calculation together with the stored ink consumption amount, a process section for updating the content in the memory based on the calculated value, and a process section for suspending the calculation relating to the amount of ink consumption in one printing unit, when the calculation is being carried out about any other printing units. | 2008-09-18 |
20080225065 | Method and apparatus for image registration - A method of registering an image onto a sheet of media on an imaging surface of a printer having a printhead for imaging onto the sheet, comprising: detecting a position of said sheet of media being advanced onto the imaging surface using a first sensor positioned along said media path upstream of the printhead; and firing the printhead at a time based on the detected position and a calibrated distance between the sensor and the printhead. | 2008-09-18 |
20080225066 | IMAGE FORMING APPARATUS AND METHOD OF CORRECTING DEVIATION OF SHOOTING POSITION - An adjustment pattern, which is composed of a reference pattern made of plural independent liquid droplets and a pattern to be measured made of plural independent liquid droplets ejected under an ejection condition different from the reference pattern, is formed on a water-repellent conveying belt. Then, light is applied to the adjustment pattern to receive the regular reflection light from the adjustment pattern, so that the adjustment pattern is scanned. The distance between the respective patterns is measured based on the measured result. Finally, liquid droplet ejection timing of the recording head is corrected based on the result thus measured. | 2008-09-18 |
20080225067 | IMAGE FORMING APPARATUS AND IMPACT POSITION DISPLACEMENT CORRECTION METHOD - An image forming apparatus is provided with a carriage in which recording heads having nozzles for ejecting liquid droplets are mounted and is configured to form an image on a recording medium being transported. The image forming apparatus includes a pattern forming unit that forms an impact position displacement adjustment pattern formed of plural independent liquid droplets on a water repellent member; a reading unit that includes a light emitting unit for emitting light onto the adjustment pattern and a light receiving unit for receiving specular reflection light from the adjustment pattern; and an impact position correcting unit that corrects an impact position of a liquid droplet to be ejected from the recording head based on a read result by the reading unit. The reading unit is disposed on the carriage and is arranged close to the side of a guide member that guides movement of the carriage. | 2008-09-18 |