Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment. A method and apparatus for driving a plasma display panel according to an embodiment of the present invention includes a first step of applying an initialization signal to the first and second electrodes to initialize cells, the initialization signal has at least one rising part where a voltage rises and at least one sustain part where the voltage is sustained; a second step of applying a scan signal to any one of the first and second electrodes, and data to the third electrode to select the cell; and a third step of alternately applying sustain signals to the first and second electrodes to carry out a display for the selected cell.

Abstract: In the PDP device, for example, two types of SF lighting patterns (A and B modes) are equally divided and arranged in spatially different regions in a field. For example, the patterns are arranged in a zigzag manner in units of pixels. At all lighting steps, existence of an absence of light-on SF which becomes a cause of false contour is permitted only in one mode. Accordingly, a generation rate of absence of light-on SF per field when the modes are combined is low, and the level of false contour can be reduced. Further, the spatial arrangement of each mode is optionally changed among the fields.

Abstract: A plasma display device is provided, which includes: a first electrode; a second electrode adjacent to the first electrode; a third electrode adjacent to the second electrode at an opposite side of the first electrode, and performing sustain discharges with the second electrode; and a drive circuit supplying plural first sustain discharge pulses, second sustain discharge pulses, and third sustain discharge pulses for the sustain discharges to the first electrode, the second electrode, and the third electrode respectively, and edges of the first sustain discharge pulses and edges of the second sustain discharge pulses have the edges of which phases are the same with each other and the edges of which the phases are different from each other.

Abstract: The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment. A method and apparatus for driving a plasma display panel according to an embodiment of the present invention includes a first step of applying an initialization signal to the first and second electrodes to initialize cells, the initialization signal has at least one rising part where a voltage rises and at least one sustain part where the voltage is sustained; a second step of applying a scan signal to any one of the first and second electrodes, and data to the third electrode to select the cell; and a third step of alternately applying sustain signals to the first and second electrodes to carry out a display for the selected cell.

Abstract: An electro-optical device includes a plurality of unit circuits that are arranged therein. Each of the plurality of unit circuits includes an electro-optical element that has a gray-scale level according to a current value of a driving current, a reference setting unit that generates a reference signal having a level according to correction data of the unit circuit, and a current control unit that controls the driving current to be supplied to the electro-optical element to a current value according to gray-scale data assigning a gray-scale level of the unit circuit and the level of the reference signal generated by the reference setting unit.

Abstract: An organic light emitting display device may include a plurality of pixels, a plurality of scan lines for selectively applying a scan signal to the pixels, a plurality of data lines crossing the scan lines for applying a data signal to the respective pixels, a scan driver for applying a scan signal to the scan lines, and at least one first testing unit electrically connected to the scan driver, wherein at least one output line of the first testing unit is electrically connected to the scan driver, and at least one other output line of the first testing unit is electrically disconnected and in an electrically open state.

Abstract: An image display system comprises a pixel driving circuit. A storage capacitor is coupled between the first and second nodes. The first switch is turned on in the first and second periods. The second switch, coupled to the first node, is turned on in the first and second periods. The third switch, coupled between the second node and the first switch, is turned on in the first, third and fourth periods. The fourth switch, coupled between the second switch and the first voltage, is turned on in the first, third and fourth periods. The fifth switch, coupled between the second node and the first voltage, is turned on in the first, second and third periods. The sixth switch, coupled between the first node and the reference voltage, is turned on in the fourth period. The first transistor is coupled between the first and second switches and is turned on in the fourth period. During the second period, the voltage between source and gate of the first transistor is a threshold voltage.

Abstract: A display device includes a display panel having a display region where an organic light emitting layer is formed and a non-display region, a circuit board which generates a reference voltage and a panel driving signal to be applied to the display panel, and a flexible member which connects the display panel to the circuit board. The display panel further includes a reference voltage pad which receives the reference voltage and formed on the non-display region, and the flexible member includes a flexible film, a data driving part seated on the flexible film, and a reference voltage lead formed on the flexible film to be connected to the reference voltage pad.

Abstract: A pixel includes a first transistor including a gate electrode coupled to a scan line and a first electrode coupled to a data line, a second transistor including a gate electrode coupled to a second electrode of the first transistor, and a first electrode coupled to a first power supply, a third transistor including a first electrode coupled to a second electrode of the second transistor, and a gate electrode coupled to an emission control line, an organic light emitting diode coupled between a second electrode of the third transistor and a second power supply, and a storage capacitor coupled between the gate electrode of the second transistor and the second electrode of the third transistor.

Abstract: An LED display system with embedded microprocessors is disclosed. It includes an image signal source, an image capture controller, a digital multiplexed encoder, a digital multiplexed decoder and a LED display panel. The image signal source provides signals of static or dynamic images. The image capture controller transmits the control signals and image data. The digital multiplexed encoder is for data encoding and debugging. The digital multiplexed decoder is for data decoding to obtain the color signals, which provides LED with curve correction. The LED display panel displays static or dynamic images. The LED display system could transform images stored in the computer into signals for controlling LED brightness so image data can be transmitted to LED display panel and displayed on the LED display panel successfully.

Abstract: The present invention describes a method and apparatus for measuring the voltage and current characteristics of the OLED pixel as it ages and correlating the measured data to the decrease in quantum efficiency and changes in OLED impedance over the life of the OLED, so that corrections can be made to the image drive system to prevent image sticking and color point drift. The method and apparatus of the present invention do not require any additional circuitry or changes in the display design. The circuitry of the present invention is implemented in the display driver integrated circuit (IC) chips. The basis of the invention is the luminance-current-voltage (LIV) curves which characterize the OLED materials over their life time. A series of these curves are stored in memory representing a OLED material at various ages.

Abstract: A passive matrix type display device includes: a display unit having a display area; first electrodes on the area for switching between a conductive state and a non-conductive state; second electrodes on the area; a driving current source for supplying a driving current to the second electrodes; light-emitting elements at an intersection between the first and second electrodes; a first circuit for controlling a part of first electrodes to the conductive state and for scanning the first electrodes; a second circuit for deciding a part of second electrodes corresponding to a part of light-emitting elements emitting a light; light-emission adjustment elements coupled with the second electrodes for branching an adjustment current from the driving current; and a light-emission adjustment controller for controlling the light from each light-emitting element by controlling the adjustment current.

Abstract: A display panel includes a display area and a peripheral area, and a power applying terminal portion is formed on the peripheral area. The frame includes a cover portion covering an edge of the display panel, and a power connecting terminal portion formed on an inner surface of the cover portion and electrically connected to the power applying terminal portion. The power supply part is disposed on the frame and supplies a driving power to the power connecting terminal portion.

Abstract: An apparatus and a method for displaying an operation mode of a kimchi refrigerator are disclosed. The apparatus and method display information regarding food items stored in the kimchi refrigerator and operation information regarding operation modes of the food items. The method includes, if any one of the food items and an operation mode thereof are selected, selectively turning on an LED corresponding to the selected food item and an LED corresponding to the operation mode of the selected food item to indicate the selected food item and the operation mode of the selected food item, and controlling an LCD module to display information regarding the selected food item and operation information regarding the operation mode of the selected food item through an LCD panel. Information regarding food items and operation information regarding operation modes of the food items are displayed in various ways including texts and icons.

Abstract: A pixel circuit is disposed where a scan line arranged in a row direction to supply a control signal and a data line arranged in a column direction to supply a video signal intersect each other. The pixel circuit includes: a sampling transistor; a drive transistor; a capacitor connected between the current path end of the sampling transistor and the gate of the drive transistor; and a light-emitting device connected to the current path end of the drive transistor. The pixel circuit connects the mobility with negative feedback during a mobility connection period.

Abstract: According to one embodiment of the present invention, a color management system for a visual display apparatus comprises a light source operable to produce a light beam having at least one color component, wherein at least one color component has a plurality of visual characteristics defining the quality of the color component. The system also has a light modulator operable to modulate the light beam into the image for displaying upon a display, an illumination sensor operable to monitor at least one visual characteristic of the at least one color component, and a feedback controller that is operable to modify the relative intensity of at least one color component due to deviation of the at least visual characteristic of at least one color component from at least one visual characteristic value during operation of the system.

Abstract: A pixel unit in the present invention is divided into two sub-pixels. Each sub-pixel includes a thin film transistor, a liquid crystal capacitor and a storage capacitor. The two transistors respectively located in different sub-pixels are connected to different scan lines. One of the two transistors is connected to the data line through another transistor. Therefore, two different pixel voltages are formed in a pixel.

Abstract: A flat panel display including a first mold frame and a bottom chassis. The first mold frame includes a first base plate with an inside region opened and a plurality of first coupling members protruding from a rear side of the first base plate. The bottom chassis includes a second base plate, a plurality of sidewalls extending from the second base plate and a plurality of second coupling members formed on the plurality of sidewalls and coupled with the plurality of first coupling members.

Abstract: A support structure includes a base and a support unit. The base has a restricting member for restricting movement of a lower portion of the display device with respect to the base. The support unit includes a pivot unit and a support plate. The pivot unit is disposed on the base at a location rearward from the restricting member. The support plate has a lower part pivoted to the pivot unit and an upper part abutting against the display device so as to dispose the display device at a predetermined angle with respect to the base.

Abstract: The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED illumination system and cellular communication or processor circuits within a compact housing to provide communication devices such as pagers, telephones, televisions, and hand held computer devices with a compact high resolution video display.

Abstract: A method for improving image quality differences on an LCD due to different viewing modules, includes: transforming an image data from a spatial domain with the luminance signal and the chrominance signal to a spatial domain with three color signals; adjusting the LCD's luminance, color and contrast parameters according to luminance, color and contrast displays to all the image data that the luminance, color and contrast displays need; transforrming the image data from the spatial domain with three color signals to the spatial domain with the luminance signal and the chrominance signal; and displaying the image data on the adjusted LCD and in playback module.

Abstract: A field sequential driving method for driving a liquid crystal display, wherein said liquid crystal includes a plurality of gate lines, comprising the steps of: grouping said gate lines into a plurality of zone, including a first zone to an Nth zone; sequentially addressing the first zone to the Nth zone, wherein addresses each zone comprising: writing black signals into pixels in the zone; writing white signals into pixels in the zone after the black signals are written into pixels in the zone; sequentially writing color signals to corresponding pixel in the zone; and sequentially flashing light source from the first zone to the Nth zone.

Abstract: The present invention discloses a method for improving the image quality of a MSHD (Multi-Switch Half source Driving) display panel and a device used the same. The method comprising following steps: First, using a polarity-line-inversion source driver to drive a plurality of pixels of a MSHD display panel, then a frame displaying in polarity-dot-inversion. The device comprises a polarity-line-inversion source driver and a MSHD display panel, wherein the polarity-line-inversion source driver drives a plurality of pixels of the MSHD display panel. The pixels of the MSHD display panel displays a frame in polarity-dot-inversion form.

Abstract: A shift register for use in an LCD is disclosed. The shift register provides better gate driving signals with the lower coupling effect. The shift register includes two switches. The control node of the first switch is electrically coupled to the control node of the second switch. One end of the first switch receives a clock signal, and the other end of the first switch is electrically coupled to one end of the second switch. The other end of the second switch outputs a gate driving signal. Both of the two switches are controlled by a control signal.

Abstract: An exemplary driving system (100) of an LCD includes a control circuit (10) and a driving circuit (11). The control circuit includes a decoder circuit (13), a DC-DC converter (130), and a timing control circuit (14). The driving circuit includes a gate driver circuit (15), a source driver circuit (16), a pulse width modulation circuit (150), and a gamma circuit (160). The DC-DC converter is packaged in the decoder circuit. The pulse width modulation circuit is packaged in the gate driver circuit. The gamma circuit is packaged in the source driver circuit.

Abstract: A displaying method for liquid crystal display, which has a light source integrated therein, includes the following steps: inputting a first video signal to the liquid crystal display during a first period of time and controlling the light source by means of modulating a light control signal; and inputting a second video signal to the liquid crystal display during a second period of time and controlling the light source by means of modulating the light control signal, wherein modulation modes of the light control signal are different during the first period of time and the second period of time.

Abstract: In a liquid crystal display device including a liquid crystal display panel and a backlight, the present invention provides a detection-use pixel having the same constitution as respective pixels constituting a liquid crystal display part in the liquid crystal display panel and being formed on a region other than the liquid crystal display part, a light detector detecting light from the backlight through the detection-use pixel, and a controller adjusting the intensity of the light from the backlight in response to a signal from the light detector to adjust the change of the characteristics and chromaticity in the liquid crystal display panel properly.

Abstract: A display apparatus is disclosed that includes two opposing substrates, an electrophoretic element arranged between the substrates; pixel electrodes that are arranged on one of the substrates and are divided into pixel groups including at least a first pixel group and a second pixel group, a common electrode that is arranged on the other substrate, and a control unit that controls frame display operations of the pixel groups. The control unit controls the first pixel group to start frame display operations for displaying a frame and then controls the second pixel group to start frame display operations for displaying another frame before the frame display operations of the first pixel group are completed.

Abstract: A pixel of an electrophoretic display is driven from one extreme optical state to a second optical state different from the one extreme optical state by applying to the pixel a first drive pulse of one polarity; and thereafter applying to the pixel a second drive pulse of the opposite polarity, the second drive pulse being effective to drive the pixel to the second optical state.

Abstract: A full color, reflective display having superior saturation and brightness is achieved with a novel display element comprising multichromatic elements. In one embodiment a capsule includes more than three species of particles which differ visually. On embodiment of the invention employs three sub-pixels, each sub-pixel comprising a capsules including three species of particles which differ visually. Another embodiment of the invention employs color filters to provide different visual states to the user. The display element provides a visual display in response to the application of an electrical signal to at least one of the capsules.

Abstract: A housing for a portable computing device. An upper surface of the housing facilitates access to at least one interface component. A lower surface of the housing defines a cavity to receive a battery pack. A battery pack, adapted to fit within the cavity, defines at least a portion of a first ridge for receiving an operator's finger, the first ridge having a generally curved configuration enabling said housing to be comfortably held in an operator's hand when the operator's hand is in its naturally relaxed position.

Abstract: Apparatus and method of optically detecting click events are described. Images of a contact surface are captured at respective capture times. The captured images are convolved with a two-dimensional circularly symmetric spatial bandpass filter to produce corresponding filtered images each including a set of pixels with respective pixel value magnitudes. Based on the pixel value magnitudes of the corresponding filtered images, each of the capture times is assigned to one of an in-contact time class during which the contact surface is determined to be in-contact with a user's finger and an out-of-contact time class during which the contact surface is determined to be out-of-contact with the user's finger. A select signal indicating that the contact surface has been touched to make a selection is generated based on a click event predicate defining at least one condition on the time classes respectively assigned to successive ones of the capture times.

Abstract: A specialized graphical user interface for use with interactive large-format display systems provides for intuitive operation and flexible content presentation. Designed primarily for use in unattended public spaces, the interface facilitates navigation through complex multi-level content in a consistent, intuitive manner.

Abstract: Methods and systems for textures and other spatial sensations for a relative haptic interface device are described. One embodiment includes a method comprising the steps of receiving a signal from a sensor, the sensor signal associated with a change in a position of a haptic feedback device, transmitting sensor data to a host processor, the sensor data associated with the sensor signal, receiving force information from the host processor, the force information comprising a texture sensation having at least one parameter describing at least one force to be output based at least in part on an interaction of a graphical object with a texture field, the force information further comprising at least one characteristic of the texture sensation, parsing the force information, storing the at least one characteristic, and determining when to output the at least one force based at least in part on the interaction.

Abstract: A system is presented for interconnecting a single user console having user interface devices, including a console keyboard, a console video display unit, a console mouse, and speakers, to a plurality of host computers each capable of using user interface devices, including a keyboard, a video display unit, and a mouse, and allowing the user to access one or more of the host computers from the single user console. The video output from each of the host computers is scaled and cropped as appropriate so that the video output of each host may be simultaneously displayed as host computer “windows” on the console video display unit or overlaid with the background suppressed to display application windows from multiple hosts on a single screen.

Abstract: An ergonomic cursor navigation controller for a handheld mobile communication device generally includes a navigation button having a ringed and waved upper surface and may further include an execution button disposed within a perimeter defined by the ringed and waved upper surface. The navigation button is provided for navigating a cursor about an electronic graphical display of the handheld mobile communication device. The ringed and waved configuration of the controller facilitates improved tactile operation of the controller and reduces the occurrence of pressing incorrect buttons on the handheld mobile communication device.

Abstract: A pointing device includes a movable member, a guide mechanism, an operation member, a press board and a switch. The guide mechanism guides the movable member in a first axis direction and in a second axis direction so that the movable member is movable, the first axis and the second axis being at right angles to each other. The operation member moves with the movable member and is movable in a pressing direction. The press board deforms elastically when engaged with the operation member being pressed. The switch having an electrical contact state is changed when the switch is pressed by the press board deformed elastically.

Abstract: The present disclosure discloses an object position detector. The object position detector comprises a touch sensor formed as a closed loop and having a physical constraint formed on an upper surface of the touch sensor and coextensive with the closed loop. The touch sensor is configured to sense motion of an object proximate to the closed loop. The object position detector also comprises a processor coupled to the touch sensor and is programmed to generate an action in response to the motion on the touch sensor.

Abstract: A method and device are presented enabling communication between two or more parties. A pattern input at a first party side is identified and data indicative of the input pattern is generated. This data is used to operate an illumination process to create an illuminated pattern, indicative of the input pattern, on at least one plane exposed to at least one of said two or more party sides.

Abstract: The systems and methods of the invention relate to providing a computer device, having a display unit, with an accelerometer (or other motion sensor) to detect movement of the computer device (and/or an associated display unit) and generate movement data. An accelerometer driver may receive the generated movement data. The generated movement data may be processed and/or interpreted in order to create one or more control signals. The control signals may be sent to a display driver to control movement of one or more selected display objects on one or more display units. The control signals may control movement of selected display objects on a screen display (or between multiple screen displays) associated with the computer device.

Abstract: A mouse having a changeable pad is comprised of a case, at least one replacement board and a plurality of pads. The replacement board is installed in the bottom of the case. The pads are installed on both faces of the replacement board. When the pad on the first face of the replacement board becomes worn out, the replacement board can be turned over and the pad on the second face of the replacement board can be installed in the bottom of the case for increasing the pad's user life.

Abstract: The present invention relates to a wireless mouse system. Particularly, the present invention relates to a wireless mouse system in which includes a controller, which controls a receiver and a flash memory device integrated into an interfacing device, can be performed function of the receiver and the flash memory device smoothly. A wireless mouse system comprises a wireless mouse and an interfacing device with a USB terminal, electrically communicated with a USB port of a information-displaying device. The interfacing device comprises a receiver receiving a signal data transferred wirelessly from the wireless mouse, and transferring the signal data to the information-displaying device, a flash memory device exchanging data with the information-displaying device through the USB terminal and a controller controlling the receiver and the flash memory device, and transferring optionally the signal of the receiver and the flash memory device to the information-displaying device.

Abstract: A method for operating a hand held optical pointing device, such as an optical mouse, involves capturing a plurality of arrays of data in a hand held optical pointing device representing light reflected from irregularities on a surface, processing at least some of the plurality of arrays of data in the device to estimate movement of the device with respect to the surface during each of a plurality of measurement cycles, and sending a series of estimated movement update signals to a computer, each such estimated movement update signal representing the estimated relative movement of the handheld optical pointing device with respect to the surface during more than one of the plurality of measurement cycles.

Abstract: An information processing device has: a support stand having a base that lies flat and a pole that stands on the base; a processing unit that performs data processing; a display panel that displays an image; and a storage unit that stores information. The device further has an adaptor that supports the processing unit and the storage unit, when the adaptor is attached to the support stand. The adaptor also supports the display panel such that the processing unit and the storage unit are hidden behind the display panel.

Abstract: An information input device has a main section where an operation member used to input information is disposed. The information input device also has a support section on which the main section is mounted and which slidably supports the main section in a depth direction. The support section is capable of tilting the main section by sliding the main section in the depth direction thereby raising a rear side of the main section.

Abstract: A compound portable computing device comprising two or more separate portable devices coupled over a hardwired or wireless link is described. The compound device includes a first portable device and a second portable device that controls the input from the keyboards of both devices for display on a common display. The first portable device contains a portion of a standard QWERTY keyboard or other type of keyboard for text entry, and the second portable computing device contains the remaining portion of the keyboard. A process within the first portable device controls input from both the first and second keyboard portions, and causes the display of characters on a display coupled to one of the portable devices. The process functionally links the keypads of both devices such that when used together, the two keyboard portions form a full QWERTY keyboard or other type of keyboard.

Abstract: A handheld electronic device includes a reduced QWERTY keyboard and is enabled with disambiguation software. The device provides output in the form of a default output and a number of variants. The output is based largely upon the frequency, i.e., the likelihood that a user intended a particular output, but various features of the device provide additional variants that are not based solely on frequency and rather are provided by various logic structures resident on the device. The device enables editing during text entry and also provides a learning function that allows the disambiguation function to adapt to provide a customized experience for the user. The disambiguation function can be selectively disabled and an alternate keystroke interpretation system provided.

Abstract: A mobile device has a housing having first and second display areas. A mic-array is integrated into the housing and has microphones operable to sense sound signals at multiple locations on the housing from a sound pen when handwriting an alphanumeric symbol on a surface separate from and in proximity to the housing. A handwriting-to-text converter is operable to graphically represent, for display on the first display area, simulated handwritten traces of the alphanumeric symbol and to convert the alphanumeric symbol into a computer-readable interchange code, representative of the alphanumeric symbol, for display in the second display area.

Abstract: A touch screen display device includes a common electrode, a base substrate disposed opposite to the common electrode, a display signal line formed on the base substrate, a plurality of pixel electrodes, a touch position sensing part formed between the base substrate and the pixel electrodes, the touch position sensing part sensing a change of electrostatic capacitance formed between the common electrode and the touch position sensing part, and a display layer disposed between the common electrode and the pixel electrodes. The display layer includes a plurality of micro capsules comprising positively charged pigment particles and negatively charged pigment particles.

Abstract: A user interface technique using a two-dimensional capacitive sensor is provided. An apparatus for sensing movement of multi-touch points includes a capacitance sensing unit sensing two or more touch points, and sensing capacitance and a change in capacitance on the basis of the sensed touch points, a movement analyzing unit sensing and analyzing a change of movement of the two or more touch points using information on the sensed capacitance and change in capacitance, and a command processing unit processing a command corresponding to the change in movement according to a result of the analysis.