Abstract: Set-up, write, sustain and erase pulses are variously applied to a plasma display panel using a staircase waveform in which the rising or falling portion is in at least two steps. These staircase waveforms can be realized by adding at least two pulses. Use of such waveforms for the set-up, write and erase pulses improves contrast, and use for the sustain pulses reduces screen flicker and improves luminous efficiency. This is of particular use in driving high definition plasma display panels to achieve high image quality and high luminance.

Abstract: A plasma display apparatus and a method of driving the same are disclosed. In the method of driving the plasma display apparatus, a first pulse falling from a reference voltage level is supplied to the sustain electrode during a pre-reset period prior to a reset period. A voltage of the scan electrode is maintained at the reference voltage level during the supplying of the first pulse to the sustain electrode.

Abstract: An organic electroluminescence display device capable of extending a functional period of the battery is disclosed. The device reduces power consumption by using colors having a low power consumption to display an image. The present invention provides an organic electroluminescence display device, including a pixel unit with pixels for emitting red, green and blue light and supplying a data signal and a scan signal to each of the pixels to display an image; a data driver for supplying the data signal to the pixel unit; a scan driver for supplying the scan signal to the pixel unit; a battery; and a sensor for sensing a residual charging capacity of the battery, wherein a voltage of the data signal output from the data driver is controlled by the sensor, depending on the residual charging capacity of the battery.

Abstract: In a method for driving a display, one frame may be divided into more sub frames than a number of bits of data. A time period of the one frame may be divided into a number of periods corresponding to a number of scan lines multiplied by the number of sub frames. A start position of the sub frames may be set based on a bit weight of the data so that gradations are linearly expressed. Remainders of the sub frames may be obtained by dividing the start position of the sub frames by the number of sub frames. A line number of a scan line to which a scan signal is supplied may be obtained based on the time period of the one frame, the start position of the sub frames, and the number of the sub frames.

Abstract: An emission driver may include a first signal processor adapted to receive a clock signal, an input signal and an inverse input signal, and to generate a first output signal, a second signal processor adapted to receive the first output signal, an inverse clock signal and negative feedback signals, and to generate a second output signal, a third signal processor adapted to receive the second output signal and the input signal, and to generate a third output signal that is an inverse signal to the second output signal, and a fourth signal processor adapted to receive the third output signal, and to generate a fourth output signal that is an inverse of the third output signal based on the third output signal, wherein the negative feedback signals include the third output signal and the fourth output signal.

Abstract: An emission driver may include a first signal processor adapted to receive a clock signal, an input signal and an inverse input signal, and generate a first output signal, a second signal processor adapted to receive the first output signal, an inverse clock signal and negative feedback signals, and generate a second output signal, a third signal processor adapted to receive the second output signal and the input signal, and generate a third output signal that is an inverse of the second output signal based on the input signal, a fourth signal processor adapted to receive the second output signal, and generate a fourth output signal based on the second output signal, the fourth output signal being an inverse signal of the third output signal, and a fifth signal processor adapted to receive the fourth output signal and output a fifth output signal based on a stored predetermined voltage.

Abstract: A method for reducing brightness uniformity variations in an active-matrix OLED display employing amorphous silicon thin-film transistors, by providing an active-matrix OLED display having amorphous silicon thin-film transistors; and deriving a first correction value from a measured or estimated value of light-emitting element performance. Subsequently groups of light-emitting elements are identified, whereupon one or more representative light-emitting elements are selected.

Abstract: A method for reducing brightness uniformity variations in an active-matrix electroluminescent (EL) display employing amorphous silicon thin-film transistors, by providing an active-matrix EL display having amorphous silicon thin-film transistors; and deriving a first correction value from a measured or estimated value of light-emitting element performance. Subsequently groups of light-emitting elements are identified, whereupon one or more representative light-emitting elements are selected.

Abstract: A dark spot defect caused by short-circuiting of an EL element is detected based on an emission brightness or a current flowing through the EL element when an element driving transistor which controls a drive current to be supplied to the EL element is operated in its linear operating region and the EL element is set to an emission level. A dim spot defect caused by a characteristic variation of the element driving transistor can be detected based on a current flowing through the EL element when the element driving transistor is operated in its saturation operating region and the EL element is set to the emission level. When an abnormal display pixel is detected based on an emission brightness, a pixel which is determined as an abnormal display pixel and which is not determined as a dark spot defect during a dark spot inspection is determined, and the pixel is detected as a dim spot defect caused by the characteristic variation of the element driving transistor.

Abstract: An organic light emitting display is provided. In the organic light emitting display, when a wiring section including a plurality of signal lines for transmitting signals to a driving circuit unit or an organic light emitting device is formed under a non-display region, more specifically, a COG region where a driving IC is mounted, the signal lines of the wiring section are disposed on two or more different layers to maintain a height difference between neighboring signal lines for transmitting different signals from each other.

Abstract: A method and an apparatus capable of increasing the video depths depending on the video content of each line in order to provide a maximum of color gradation for each given scene shall be proposed. For this purpose there is disclosed an apparatus for driving a display device including input means for receiving a digital value as video level for each pixel or cell of a line of the display device, reference signalling means for providing at least one reference driving signal and driving means for generating a driving signal on the basis of the digital value and the at least one reference driving signal. The apparatus further includes adjusting means for adjusting the at least one reference driving signal in dependence of the digital values of at least a part of the line.

Abstract: A driver for driving a display device having a plurality of pixels connected to a plurality of data lines includes: a signal controller that creates a plurality of image signal groups and a plurality of identification codes corresponding to the plurality of image signal groups; and a plurality of data driving circuits each of which receives at least two identification codes of the plurality of identification codes and the image signal groups corresponding to the at least two identification codes, converts the image signals into data signals, and outputs the data signals to the data lines. In the driver, each of the data driving circuits compares the at least two identification codes, selects one of the image signal groups according to the result of the comparison, converts the image signals belonging to the one image signal group into the data signals, and outputs the other image signal groups to another data driving circuit.

Abstract: A liquid crystal display includes a first substrate. A plurality of scan lines and a plurality of data lines are disposed on the first substrate to define a plurality of pixel regions. A plurality of common line groups is disposed on the first substrate, and each of the common line groups includes a plurality of common lines parallel to the scan lines. And, at least, a voltage regulator is electrically connected to one of the common line groups, wherein the voltage regulator can stabilize the pixel voltage to decrease the flicker of the liquid crystal display.

Abstract: Embodiments of the present invention set forth methods and systems for driving display devices. In one embodiment, a first set of image data to be displayed on a display panel is stored. During a first time period, a reset signal is asserted to set the display panel associated with a common panel voltage to a predictable state. Subsequent to the first time period, a control signal is asserted to load the first set of image data for a first subframe within a frame on the display panel, wherein this first set of image data is further adjusted by a first adjustable reference voltage. A designated light for the display panel is turned on to display the first set of image data in parallel with the storing of a second set of image data for a subframe within the frame to be displayed.

Abstract: A method for driving a liquid crystal display device (20) is provided. The liquid crystal display device comprising a plurality of scanning lines (201), a plurality of data lines (202), a scanning driving circuit (210) for providing scanning signals to the scanning lines, a data driving circuit (220) for providing data signals to the data lines, and a light emitting diode matrix (240) for emitting red, green and blue light beams. The method comprising: dividing a frame time into three sub-frame times (t1, t3, and t5) and three blanking periods (t2, t4, and t6), each of the blanking periods following a respective one of the three sub-frame times; during the three sub-frame times, the light emitting diode matrix emitting red, green, and blue light beams, respectively; during at least one of the three blanking periods, the light emitting diode matrix emitting red, green, and blue light beams simultaneously.

Abstract: A liquid crystal panel (2) includes scanning signal lines (31) for supplying scanning signals to gate electrodes (20) of TFTs (14), and data signal lines (32) for supplying data signals to data electrodes (24) of TFTs. The liquid crystal panel further includes auxiliary capacitive electrode pads (27a) for use in forming auxiliary capacitance and an auxiliary capacitive lines (33) so as not to generate a capacitive bond with the scanning signal lines. The liquid crystal panel is driven at a rewriting frequency of a screen of not more than 30 Hz. As a result, the liquid crystal panel can be driven at a low consumption power while maintaining a desirable display quality of the liquid crystal panel.

Abstract: A display device includes a processor for outputting a most-significant m-bit data from an n-bit data and one of a plurality of patterns indicative of first and second locations of a first modulation data in first and second consecutive frames, respectively, in accordance with least significant (n?m) bits of the n-bit data, and a data driver for generating a gray scale value corresponding to the most significant m-bit data and modulating the gray scale value in accordance with the one of the plurality of the patterns, wherein the number of the first location increases at different ratios based on the gray scale.

Abstract: Tone modification of pixel data is performed, minimizing dummy cycles inserted by a host device that transfers the pixel data.

Abstract: A first transparent electrode film, which is a component of a SW-LCD for viewing angle control, is used as a touch panel. When a contacting object contacts the surface of the first transparent electrode film, a position detector detects currents flowing from plural parts of the first transparent electrode film so as to detect the contacting position of the contacting object, with reference to the detection result. With this, it is possible to provide a built-in touch sensor display device which is thin, lightweight, and low-cost, a viewing angle control device, and an electronic device.

Abstract: The present invention provides a charge pump pixel driving circuit, which includes a first storage capacitor, a second storage capacitor and switch means. The first end of the second storage capacitor is coupled to a pixel electrode. The switch means responsive to a control signal to couple a signal voltage to the first ends of the first storage capacitor and second capacitor until the first ends of the first storage capacitor and second capacitor are charged to a voltage equal to the signal voltage. Then, the signal voltage is decoupled from the first storage capacitor and second storage capacitor, and the first end of the first storage capacitor is coupled to the second end of the second storage capacitor so that the first end of the second storage capacitor provides a voltage twice the signal voltage to the pixel electrode.

Abstract: A circuit according to one embodiment includes a data line; a select line; a storage node coupled to the select line; a first transistor with a gate coupled to the select line, a first electrode thereof coupled to the storage node, and a second electrode thereof coupled to the data line; a second transistor with a gate coupled to the storage node, a first electrode thereof coupled to the data line; and a light emitting diode coupled to a second electrode of the second transistor. Additional systems and methods are claimed.

Abstract: In an array substrate, a gate line is arranged on a base substrate and extends in a first direction, and a data line is insulated from and crossing the gate line and extends in a second direction. A switching part is connected between the gate line and the data line. A pixel electrode is connected to the switching part and partially overlaps the data line. The pixel electrode has an opening, and the opening is spaced apart from the data line in a plan view.

Abstract: Disclosed is a display device, including: a display substrate which comprises a gate line and a data line and a gate driving unit which is coupled to the gate line of the display substrate and outputs a gate signal. The gate driving unit is comprised of a shift register that includes a plurality of stages. At least one of the stages comprises a first drive controller that generates a first control signal by a carry signal applied from a previous stage, a second drive controller that generates a second control signal by a reset signal applied from a subsequent stage, a first drive unit that outputs the reset signal and the carry signal to the previous stage and the following stage, respectively by the first control signal and the second signal, and a second drive unit that outputs the gate signal to the gate line by the first control signal and the second signal.

Abstract: A DAC and a source driver using the same, and a driving method for a display device are provided. The DAC comprises a positive polarity resistor string and a negative polarity resistor string. The resistance of each resistor of the positive polarity resistor string is determined based on positive polarity driving voltages. The resistance of each resistor of the negative polarity resistor string is determined based on negative polarity driving voltages. So, the positive and negative polarity driving voltages, which are used for driving the display device, are in symmetric.

Abstract: A display driver circuit for driving display elements in a row of a display array, includes an m input, n-bit input multiplexer; a digital to analog converter, and a one input, m output, analog output multiplexer. A clock source, clocks the input and output multiplexers, to sequentially provide an analog output corresponding to one of said m n-bit inputs, at a corresponding one of said m outputs of said output multiplexer.

Abstract: To adjust brightness of at least a portion of a display image, a type of content to be included within the display image is determined and, based on the identified content type, the light source of the display is set to an adjusted intensity. Thereafter, that portion of the display image unrelated to the content requiring adjusted brightness is processed to account for the adjusted intensity of the light source. Because the processing in accordance with the present invention is performed entirely on one or more processors that provide the display images to the display, the present invention overcomes the added complexity and cost associated with prior art techniques, while simultaneously providing the flexibility to quickly adjust display brightness based on types of content being included in the displayed image.

Abstract: The method increases the output frame rate to p/q (p, q are both natural numbers and p>q) times of the input frame rate. In a period of time equal to the least common multiple of the input and output frame times, q input frames are output and (p?q) transient frames are generated and inserted at appropriate places before or after the q input frames in the output frame sequence so as to enhance the dynamic display effect of the display device.

Abstract: A backlight driver includes an inverter controller, a dimming signal compensator and an inverter. The inverter controller generates a pulse width modulation signal in response to a control signal and outputs a first dimming signal that represents a duty ratio of the pulse width modulation signal and a second dimming signal that represents an amplitude of the pulse width modulation signal. The dimming signal compensator receives the first and second dimming signals, compares the first dimming signal with a predetermined reference duty ratio and compensates the second dimming signal in accordance with the compared result to generate a third dimming signal. The inverter outputs a driving voltage to drive the backlight and varies a voltage level of the driving voltage in response to the first and third dimming signals to control a brightness of the backlight.

Abstract: To provide a technique for protecting a fast interface for transferring image data among a plurality of cases from noise caused by controlling of the brightness of the backlight. The mobile terminal according to the present invention has a body case 1, a display part case 2, a coupling mechanism 3 for coupling them, a CPU 11, an LCD panel 13, a controller driver 15 for driving the LCD panel 13, a backlight 17 and a backlight driver 16. The CPU 11 is mounted to the body case 1, while the LCD panel 13, the controller driver 15, the backlight 17 and the backlight driver 16 are mounted to the display part case 2. The controller driver 15 drives the LCD panel 13 in response to the image data received from the CPU 11 via an interface signal line 18, while supplying the brightness control signal 21 for controlling the backlight 17 to the backlight driver 16.

Abstract: An inverter of a liquid crystal display for receiving a power voltage for burst dimming via one power terminal to simultaneously adjust a burst dimming and an analog dimming is disclosed. In the inverter of the liquid crystal display, a burst dimming signal generator receives a triangular-wave signal and a power voltage for burst dimming to generate a burst dimming signal. An analog dimming voltage generator receives the power voltage for burst dimming to generate an analog dimming voltage. And a main controller receives the burst dimming signal and the analog dimming voltage to generate a pulse width modulating signal which is used for generating a driving current of a backlight assembly.

Abstract: A driving-control device of a backlight module receives a first digital burst signal and includes a start signal generating unit, a counter unit, a memory unit, a comparator unit and a driving unit. The start signal generating, unit generates a digital start signal on receiving the first digital burst signal. The counter unit is electrically connected to the start signal generating unit and sequentially generates counting values on receiving the digital start signal. The memory unit stores at least one target counting value. The comparator unit is electrically connected to the counter unit and the memory unit and sequentially generates triggering signals according to the counting values and the target counting value. The driving unit is electrically connected to the comparator unit and outputs sequentially delayed driving signals on receiving the triggering signals.

Abstract: Set forth is an electrophoretic display device including a display region, between substrates, at least one of which is transparent, the display region including a multiplicity of pixels, wherein one or more of the pixels have three or more subpixels, the three or more subpixels being made up of individual reservoirs that each contain a display medium of one or more set of colored particles in a dielectric fluid. The display mediums include two different colors therein so that the subpixel is capable of exhibiting each of the two different colors, and each of the three or more subpixels include a display medium having a combination of two colors that is different from the combinations of two colors of the display mediums of the other of the three or more subpixels. A method of displaying a full color image with the display device is also provided.

Abstract: In fabrication of an electrophoretic display device, a display defect (blotches or smears on the display screen) caused by the fact that a very small quantity of moisture and/or air bubbles existing near the electrophoretic display element layer enter the inside of the layer, and another display defect (defective driving) caused by the fact that the said moisture and/or air bubbles enter the boundary between the first substrate and the layer, are reliably prevented. The display element layer is fixed on the display region of the TFT substrate, the sealing member is formed on the TFT substrate to surround the display element layer, and the glass substrate is fixed to the sealing member, constituting the closed inner space around the layer. The space is filled with an inert gas having a pressure approximately equal to an atmospheric pressure or set in a predetermined vacuum state.

Abstract: A method of operating a mobile communication device comprising displaying a array of selectable functions in a first direction on a display of the communication device; scrolling through the selectable functions in the array of functions by using one or more navigation keys, wherein for each one of the selectable functions, a respective array of selectable contacts is displayed in a second direction on the display as the selectable functions are scrolled through; scrolling through the selectable contacts of one of the arrays of selectable contacts by using one or more navigation keys; selecting one of the selectable functions and one of the selectable contacts by halting the scrolling in the first and second directions at selected positions; and executing the selected function for the selected contact by a single user command.

Abstract: Various technologies and techniques are disclosed for providing a cord retraction mechanism for an input device. A subassembly having an input device, a cable, and a retraction mechanism is provided. The cable has first and second opposing ends, with the first end being operable to be coupled to a computing device, and the second end being operable to be coupled to the input device. The cable provides an electrical communication between the computing device and the input device. The cable has an extended configuration and a storage configuration. In the extended configuration, the cable extends outwardly from the computing device. In the storage configuration, the majority of the cable is in a substantially linear orientation. The retraction mechanism has at least one pulley member for displacing the pulley member between first and second positions to allow the cable to move from the storage configuration to the extended configuration.

Abstract: A processing system may include an array of input/output (I/O) devices (e.g., an array of microphones, an array of antennas, etc.) A device array control program for the processing system may provide a user interface for controlling the array of I/O devices. The user interface may include an array of objects representing the array of I/O devices, as well as a set of controls near the array of objects. The controls may include a right handle, a left handle, and a gain handle. The left handle and the right handle may be moved by a user to control which I/O devices will be used, and the gain handle may be moved to control gain for at least one of the I/O devices. Other embodiments are described and claimed.

Abstract: An integrated control and display system for operating a plurality of separate computer systems each having a visual display, includes at least one cursor control device for seamlessly moving a cursor among the visual displays of the separate computer systems, the cursor control device operating to control the computer system associated with the display on which the cursor appears.

Abstract: An exemplary display apparatus (2) includes a front cover (21) having an opening (210) and a peripheral side (211) beside the opening; an on screen display button board (22) having a main body (223) with locating holes (2234); and a display panel (23) having a display area (231) corresponding to the opening of the front cover and a peripheral area (232) around the display area. Locating pins (216) are provided on a rear face (215) of the peripheral side, and the locating pins pass through the locating holes of the main body, as well as part of the peripheral area of the display panel is overlapped with the main body, thereby, the main body of the on screen display button board is sandwiched between the rear face of the peripheral side of the front cover and the display panel.

Abstract: Systems and methods for haptic feedback effects for control knobs are described. One method comprises the steps of receiving a sensor signal associated with a motion of a manipulandum in a degree of freedom, and determining a direction of the motion of the manipulandum in the degree of freedom based on the sensor signal. The method further comprises outputting a first force signal if the determination indicates that the manipulandum moves in a first direction in the degree of freedom, and outputting a second force signal if the determination indicates that the manipulandum moves in a second direction in the degree of freedom.

Abstract: An apparatus and method for performing an analog input operation in a portable terminal are provided. The method includes checking first and second coordinates respectively mapped to first and second keys consecutively input; checking an input time difference between the first and second keys; computing a movement direction and a variation of a cursor by referencing to information regarding the first and second coordinates and the input time difference between the first and second keys; and moving the cursor according to the computation result.

Abstract: A method for controlling a computer cursor involves capturing a plurality of arrays of data in a hand held device representing light entering the device from an environment in which the device resides, processing at least some of the plurality of arrays of data in the device to estimate motion of the device with respect to the environment during each of a plurality of measurement cycles, and sending a series of estimated motion signals to a computer to move a cursor display in response to motion of the device relative to the environment, each such estimated motion signal representing the estimated motion of the handheld device during more than one of the plurality of measurement cycles.

Abstract: A method is disclosed that includes outputting haptic feedback based on a movement of an object in a first direction from a first position to a second position. The haptic feedback is discontinued when the object is moved in a second direction opposite the first direction subsequent to the movement in the first direction. The haptic feedback is output again when the object moves past the second position in the first direction.

Abstract: A method, apparatus, and computer program product for providing non-visual access to on-screen menus for remote controlled electronic devices, such as DVD players, DVRs, VCRs, satellite receivers, televisions, etc. A repeater device is interposed between the remote control and the electronic device. The repeater device includes a receiver for receiving a first signal from the remote control and a transmitter for transmitting a second signal, based on the first signal, to a receiver of the electronic device. A repeater mechanism causes the repeater device to transmit the second signal and a feedback mechanism causes a non-visual response, such as an audio and/or Braille message, to be provided to the user. This response is based on a key pressed on the remote control in the context of a sequence of keys pressed earlier, and may inform the user of an action associated with the depressed key and options for additional keystrokes.

Abstract: A projector projects an image onto an image projection area by scanning the image projection area with a light beam including both image signal light and communication signal light. The image signal light and communication signal light may have different wavelengths, or the communication signal may be modulated onto one or more of the wavelengths of the image signal light. A terminal receives the communication signal light from the image projection area, processes the communication signal, and when necessary, transmits an answering signal to the projector. An audience equipped with such terminals can interact with the projected image at a high data communication rate without impairing the visibility of the image.

Abstract: A touchless sensing unit (110) and method (210) for calibrating a mobile device for touchless sensing is provided. The method can include evaluating (214) a finger movement within a touchless sensory space (101), estimating (216) a virtual coordinate system (320) from a range of finger movement, and mapping (218) the virtual coordinate system to a device coordinate system (330).

Abstract: A man-machine interface which provides tactile feedback to various sensing body parts is disclosed. The device employs one or more vibrotactile units, where each unit comprises a mass and a mass-moving actuator. As the mass is accelerated by the mass-moving actuator, the entire vibrotactile unit vibrates. Thus, the vibrotactile unit transmits a vibratory stimulus to the sensing body part to which it is affixed. The vibrotactile unit may be used in conjunction with a spatial placement sensing device which measures the spatial placement of a measured body part. A computing device uses the spatial placement of the measured body part to determine the desired vibratory stimulus to be provided by the vibrotactile unit. In this manner, the computing device may control the level of vibratory feedback perceived by the corresponding sensing body part in response to the motion of the measured body part. The sensing body part and the measured body part may be separate or the same body part.

Abstract: A computer peripheral system comprising a computer peripheral and a mechanical input device adapted to initiate a conversion of mechanical energy to electrical energy. The computer peripheral includes an energy conversion device adapted to convert mechanical energy to electrical energy. The converted electrical energy provides power to at least one computer peripheral component.

Abstract: A mouse with gain weight means comprising a case, a cursor control unit, a plurality of keys, a housing, and a balancing weight component. The case has a circuit board disposed inside of the case and a plurality of balancing weight notches in the bottom of the case. The cursor control unit 2 is disposed in the circuit board and extends to the outside of the bottom of the case. Disposed on the case are the keys and the housing. The balancing weight component includes a plurality of balancing weight lumps installed in the balancing notches. The mouse of the present invention has the balancing weight lumps installed in the bottom of the case to make the mouse easier for the user to handle.

Abstract: A mouse is disclosed to include a mouse body, which has a coupling structure on the top and two accommodation open chambers respectively at two sides of the coupling structure for storing different items, and a movable cover module, which has a top cover and a coupling structure fastened to the top cover and coupled to the coupling structure of the guide structure for allowing movement of the top cover relative to the mouse body selectively to a first open position to close the first accommodation open chamber and to open the second accommodation open chamber, a second open position to close the second accommodation open chamber and to open the first accommodation open chamber, or a closed position to close the first and second accommodation open chambers and to keep storage items in the accommodation open chambers from sight.

Abstract: To provide an operation panel apparatus which can be used without exchanging the whole operation panel, even when input of a part of an input apparatus cannot be performed. In a test mode, a plurality of fixed keys 7 are in sequence checked on whether or not the input of the plurality of fixed keys 7 can be performed. A detecting portion 18 judges the fixed key as an input-enabled fixed key 7a by detecting that the input from the fixed key 7 is sensed, and judges the fixed key as an input-disabled fixed key 7b by detecting that the input from the fixed key 7 is not sensed. When the input-disabled fixed key 7b exists, a substitute control portion 19 displays a touch key 5a substituting for the function of the input-disabled fixed key 7b in a display screen.