Abstract: An organic EL display apparatus including in each display pixel an organic EL element. A drive transistor supplies a drive current that depends on brightness data and having the display pixels arranged in a matrix form. The display includes a correction gain storage unit for storing display pixel positions and a correction gain for correcting the slope of the brightness-data-based drive current of the drive transistors in the display pixels; and a correction unit for correcting pixel-by-pixel brightness data depending on the pixel position using the correction gain stored in the correction gain storage unit into brightness data for the pixel to generate corrected brightness data, each of the display pixels is displayed by driving its drive transistor in response to the data generated by the correction gain storage unit and the correction unit and supplying the corresponding organic EL element with the drive current.

Abstract: A light-emitting device includes: a plurality of light-emitting elements that emit light in response to driving signals; a control unit that adjusts the timings at which the driving signals are supplied to a plurality of blocks each composed of one or more light-emitting elements to generate control signals for indicating the timings at which the driving signals are supplied for every block; and a plurality of driving units that are provided for the blocks and supply the driving signals to the light-emitting elements belonging to the corresponding blocks on the basis of the control signals.

Abstract: A lighting emitting display, a pixel circuit and a driving method thereof. The pixel circuit includes a driving transistor, a capacitor and a LED. The capacitor receives a first supply voltage and is coupled to a gate of the driving transistor. A cathode of the LED receives a second supply voltage. During a pre-charge period, the gate and the drain of the driving transistor are coupled to an anode of the LED, the source of the driving transistor is coupled to a charging voltage. The source of the driving transistor receives a data signal and the drain and gate of the driving transistor are coupled to each other during a programming period. The source of the driving transistor is coupled to receive the first supply voltage and the drain of the driving transistor is coupled to the anode of the LED during a display period.

Abstract: A driving method for a light emitting device according to the present invention comprises inputting a scan signal to a pixel comprising two and more sub-pixels formed between data lines and scan lines through the scan lines; and inputting data signals to the two and more sub-pixels so that at least one of the data signals inputted through the data lines has the start point and end point different from at least one of the others.

Abstract: There is provided with an apparatus for image processing for displaying an image on a dot matrix type display device having a plurality of display elements each emitting single light, including: an image input unit configured to input an input image having pixels each including one or more color components; an image feature extraction unit configured to extract a feature of the input image; a filter processor configured to generate K subfield images by performing a filter process using K filters for the input image of one frame; a display order setting unit configured to set a display order of the K subfield images based on the feature of the input image; and an image display control unit configured to display the K subfield images in accordance with the display order on the display device in one frame period of the input image.

Abstract: A system and method for reducing or eliminating speckle when using a coherent light source is provided. A light modulator reflects light emitted by the coherent light source towards a display screen. The light modulator is controlled by selectively applying a bias voltage having a DC component and an AC component to individual pixel elements. The AC component causes physical movement of one or more components of the individual pixel elements by, for example, causing one or more of the components to vibrate or resonate.

Abstract: An electro-optic display (100) comprises a backplane (102); an electro-optic layer (112) adjacent the backplane (102), the electro-optic layer (112) being smaller than the backplane (102) so as to leave a peripheral portion of the backplane extending beyond the edges of the electro-optic layer (112); and a protective layer (118) disposed on the opposed side of the electro-optic layer (112) from the backplane (102), a peripheral portion of the protective layer (118) extending beyond the edges of the electro-optic layer and being adhered (at 120) to the backplane (102).

Abstract: A liquid crystal display device includes a noise-receiving module for receiving external noise signals, a liquid crystal display module, and a frequency-switching means for switching scanning frequencies of the liquid crystal display module according to frequencies of the noise signals received by the noise-receiving module.

Abstract: There is provided a liquid crystal display including a panel using a liquid crystal material having spontaneous polarization, such as ferroelectroic liquid crystal (FLC), having a faster response time suitable to display dynamic images. The FLC has the disadvantage caused by the incomplete memory effect at during driving for displaying “black” in several frames, where the light transmittance is preferably desired zero. The panel in the display are driven signals so that the driving signals are applied across the picture element, where the signals are positively or negatively offset to reference voltage of the panel.

Abstract: A gamma voltage generator comprises a multiplexer circuit and a control circuit is provided. The multiplexer circuit receive a plurality of voltages and outputting a part of the voltages in accordance to a plurality of polarity signals, respectively. The control circuit outputs the polarity signals at different time points such that the output voltages do not change their polarities at the same time.

Abstract: A gamma voltage generator for a liquid crystal display (LCD) capable of removing residual images by compensating a gamma voltage is presented. The gamma voltage generation apparatus adjusts the common voltage by the kickback voltage for the intermediate gray level, and tunes the gamma voltages other than the intermediate gray level gamma voltage. The adjustment of the gamma voltages other than the intermediate gray level gamma voltage is achieved in such a manner that the difference between the intermediate gray level kickback voltage and the kickback voltage at one of the gray levels other than the intermediate gray level is equal to half of the difference between the sum of the two inverted gamma voltages representing the intermediate gray level gamma voltages and the sum of the two inverted gamma voltages corresponding to the selected gray level.

Abstract: A liquid crystal display including a number of scan lines, a number of data lines, a pixel, a first switch circuit, and a second switch circuit is provided. The scan lines include an Nth scan line and an (N+1)th scan line, where N is a positive integer. The pixel includes a first sub-pixel and a second sub-pixel. The first switch circuit is coupled to both the Nth scan line and the (N+1)th scan line and is used for controlling the second sub-pixel. The second switch circuit is coupled to the Nth scan line and is used for controlling the first sub-pixel. The pixel is used for displaying a red, a green, a blue, or a white color.

Abstract: Provided are a data converting device for improving image quality, a method thereof, and an LCD device having the same. The data converting device includes a polarity signal generating part and a data varying part. The polarity signal generating part generates a polarity signal inverting polarity of a data signal in turns by a period of n fields. The data varying part differently varies data signals corresponding to respective field periods within the period of the n fields.

Abstract: A liquid crystal display device includes liquid crystal pixels arrayed substantially in a matrix, a vertical driving circuit that selects the rows of pixels for video signal writing and for non-video signal writing, a horizontal driving circuit that writes a video signal in the pixels of a row selected for the video signal writing and a non-video signal in the pixels of a row selected for the non-video signal writing, and a control circuit that controls operation timings of the horizontal driving circuit and vertical driving circuit. In particular, the vertical driving circuit is configured to set a selection pattern for disabling an overlap between a selection period of selecting the pixels of each row for the video signal writing and a selection period of selecting the pixels of another row for the non-video signal writing, based on enable signals from the control circuit.

Abstract: A display system generates a plurality of sampling signals each having distinct phases based on external clock signals provided by a timing controller, latches data from external data signals provided by the timing controller based on the sampling signals, and sends the latched data to a decoder for determining a best sampling signal. Each driver of the display system generates driving voltages based on a respective best sampling signal determined by a respective decoder.

Abstract: A flat panel display device and a data signal generating method thereof, in which data signals are different in voltage levels, thereby enhancing efficiency of representing a gray level and reducing power consumption. The flat panel display device includes: a display region for receiving a data signal and a scan signal to display an image; a data driver for generating the data signal based on a video signal and for supplying the data signal to the display region; and a scan driver for generating the scan signal and for supplying the scan signal to the display region, wherein the data driver is adapted to adjust a voltage level of the data signal by at least one upper bit of the video signal and to adjust a pulse width of the data signal by at least one lower bit of the video signal to control brightness.

Abstract: In the display device which is used in a miniaturized portable equipment, when a drive circuit is also connected on the same substrate as pixels, an input signal of low voltage has a level thereof shifted even when the threshold value is large or fluctuated. The display device includes pixel electrodes, switching elements which supply video signals to the pixel electrodes, and a drive circuit which supplies the video signals to the switching elements on the same substrate, wherein the drive circuit includes a level shift circuit, the level shift circuit includes a transistor. In a state that the transistor assumes an ON state, when an input signal is inputted to a source terminal and the input signal is at a low voltage level, a drain terminal assumes a low voltage level. Further, even when the input signal is at a high voltage level equal to or lower than a threshold value, the drain terminal outputs a voltage equal to or more than the threshold value as a high level voltage.

Abstract: A light source apparatus has two or more light sources that have different light-emission spectra and that can be controlled independently, and also has light sensors for detecting the quantity of light emitted by the light sources. The light sensors are composed of one type of light sensor that is not provided with a color filter for selecting the wavelength of received light, and the light sensors are sensitive to wavelength ranges that are sufficiently broad to simultaneously receive light in red, green, and blue wavelength ranges. A control circuit controls the two or more light sources to emit light in a time sequential fashion, and compares reference data with the output values of the light sensors to control the quantity of light emitted by the light sources by means of a light source drive circuit. It is thereby possible to reduce the cost and size of a light source apparatus that is capable of correcting changes in hue.

Abstract: A method of controlling backlighting of a Liquid Crystal Display (LCD) can include generating an on-time signal to activate a backlight for an LCD in synchronization with providing a frame of data to the LCD.

Abstract: The image display apparatus of the invention has: a liquid crystal panel that is used to display an image represented by input image data; and a lighting device that emits illumination light controlled according to a light control level suitable for the input image data and irradiates the liquid crystal panel with the controlled illumination light. The image display apparatus further includes a counter electrode voltage control module that generates a counter electrode voltage to be input into the liquid crystal panel and supplies the generated counter electrode voltage to the liquid crystal panel. The counter electrode voltage control module has: a counter electrode voltage setting module that sets a counter electrode voltage control level corresponding to the light control level; and a counter electrode voltage generation module that generates the counter electrode voltage in response to the set counter electrode voltage control level.

Abstract: A method for controlling operations of a backlight unit of a liquid crystal display (LCD) is disclosed. The LCD includes a LCD panel and the backlight unit. The LCD panel has a plurality of display units. The backlight unit is placed behind the LCD panel and has a plurality of illumination devices for providing light to the LCD panel. The method includes: (a) keeping at least two of the illumination devices turned on at all times; (b) turning off one of the illumination devices every predetermined time interval; and (c) turning on one of the illumination devices every predetermined time interval.

Abstract: An embodiment generally relates to a system for electronic paper. The system includes an electret substrate embedded with a plurality of charged capsules each capsule includes a plurality of charged pigment particles, where the electret substrate is charged opposite of the plurality of charged pigment particles. The system also includes a first electrode interfacing with one side of the electret substrate and a second electrode interfacing with the other side of the electret substrate. When a voltage is applied to the first and second electrodes, the plurality of charged pigment particles move in the direction of one of the first and second electrode with a polarity opposite to a charge of the plurality of the charged pigment particles.

Abstract: Particles for display media used for an information display device, wherein the display media are sealed between two opposed substrates, at least one of which is transparent and wherein the display media, to which an electrostatic field is applied, are made to move so as to display information such as an image or the like, having compound particles of mother particles and child particles, which are embedded in the surface layer of the mother particles and whose surfaces are exposed. Consequently, particles for display media, which are used for an information display device, wherein child particles are not dissociated under a reverse durability test, where rewriting is repeated, and primary performance can be maintained during the reverse durability test are provided. An information display panel and an information display device using the particles for display media are also provided.

Abstract: An electro-optical suspended particle cell comprises a liquid acting as a suspending medium. First particles (3) and second particles (4), which are anisometrically shaped, are dispersed in the liquid and have different optical properties. A driver is coupled between electrodes for generating an electrical field in the cell. The first particles (3) and the second particles (4) have at least one further different property to obtain different amounts of rotation of the first particles (3) and the second particles (4) as a function of a strength of the electrical field, or as a function of a duration the electrical field (E) is applied.

Abstract: In an information display device according to the first to third inventions of the present invention, when a particle movement type information display device of passive matrix drive and dynamic drive is driven, the particle movement type information display device configured to be driven by using a drive circuit having an output stage equivalent circuit capable of outputting only two values of a predetermined drive voltage value and ground level (0V).

Abstract: A rotary input apparatus is disclosed. The rotary input apparatus comprising a rotatable wheel, a multi-pole ring-type magnet secured to the bottom of the wheel to rotate together with the wheel, a printed circuit board on which one or more detection elements are mounted that are capable of detecting the rotation of the magnet and in which one or more receiving holes formed in correspondence with the detection elements, with at least a portion of the detection elements inserted in the receiving holes, a base to a side of which the printed circuit board is secured, and a holder joined to a side of the base and rotatably supporting the wheel, has a reduced thickness and has superior endurance to external impact.

Abstract: An apparatus (100) and method is provided that identifies and tracks a relative location and movement of an object in a three-dimensional space. The sensing unit includes a processor (122) for communicating a coordinate information of the object within the three-dimensional space. The method includes emitting a pulse from a first transducer (101), estimating a time of flight from a reflection signal received by a second transducer (102), and determining a location and relative movement of the object from the time of flight measurements. The sensing unit can provide touchless control via touchless finger depression actions, finger slide actions, finger release actions, and finger hold actions.

Abstract: A virtual user interface (VUI) is provided. The VUI (120) can include a touchless sensing unit (110) for identifying and tracking at least one object in a touchless sensory field, a processor (130) communicatively coupled to the sensing unit for capturing a movement of the object within the touchless sensory field, and a driver (132) for converting the movement to a coordinate object (133). In one aspect, the VUI can implement an applications program interface (134) for receiving the coordinate object and providing the coordinate object to the virtual user interface (VUI). An object movement within the sensory field of the VUI can activate user components in a User Interface (150).

Abstract: A plasma display panel includes first and second substrates arranged facing each other, barrier ribs between the first and second substrates, the barrier ribs defining a displaying domain including discharge cells and a non-displaying domain, and first and second discharge electrodes, each discharge electrode including a discharge portion in the displaying domain and an end portion in the non-displaying domain, the discharge electrodes being inside the barrier ribs, wherein a thickness of a portion of a barrier rib covering a portion of a side of an end portion is greater than a thickness of a portion of the barrier rib covering a portion of a side of a discharge portion.

Abstract: Acceleration data representing accelerations in at least two axial directions which is output from an acceleration sensor included in an input device is obtained. Based on a shift of the acceleration data, a motion direction of the input device with respect to the direction of the acceleration of gravity acting upon the input device is determined. Motion data including at least the determined motion data is output.

Abstract: A coordinate calculating apparatus detects a coordinate point (detected coordinate point) of an area satisfying a predetermined condition in a captured image for each area. Next, a vector (assumed vector) indicating a relative positional relationship between two position coordinate points in the captured image is set. The coordinate calculating apparatus determines one of the position coordinate points detected by coordinate detecting means, as one of object position coordinate points, and determines the other object position coordinate point using the one position coordinate point and the vector.

Abstract: Predetermined image processing is performed in accordance with an input operation performed by an input device having image pickup means for taking an image of one or a plurality of imaging targets. Target image data, which is obtained from one target image of the one imaging target or a plurality of target images of the plurality of imaging targets in the image taken by the image pickup means and which indicates a distance between the plurality of target images or a size of the one target image, is sequentially obtained. A display image is enlarged and reduced in accordance with a change in the target image data. Then, the display image processed in such a manner is displayed on a display device.

Abstract: A slim mouse includes a first housing, a second housing and a connecting member. The first housing includes a first front part and a first rear part, wherein the first rear part has a first slant. The second housing includes a second front part and a second rear part, wherein the second front part has a second slant. The connecting member includes a rotating shaft for connecting the first slant and the second slant, so that the second housing is rotatable with the rotating shaft and relative to the first housing.

Abstract: A wireless mouse includes a lower housing, a carrier, a battery cover, an elastic element, a first conductive piece and a second conductive piece. The lower housing receives therein a circuit board. The carrier is disposed above the circuit board and has a receptacle for accommodating a battery therein. The battery cover is used for sheltering a portion of the carrier and is pivotal relative to the carrier. The elastic element is disposed on the carrier for providing an upward elastic force on the battery cover. The first conductive piece is fixed on the battery cover and has a first connecting part. The second conductive piece is connected to the circuit board and includes a second connecting part and a button part, wherein the first conductive piece is in contact with the second connecting part of the second conductive piece when the battery cover is closed.

Abstract: A mouse device includes a case, a click operating area mounted on the case, a key inputting area mounted on the case, and a key lock moveably attached to the case. The click operating area performs selection and/or scrolling within an active window or graphical user interface. The key inputting area includes a plurality of keys. The key lock is moveable between a first position where the keys are unlocked and a second position where the keys are locked.

Abstract: A system (100) and method for a touchless tablet that produces a touchless sensory field over a form (111). The touchless tablet includes a touchless sensing unit (110) for identifying a finger action above the form, and a controller (130) communicatively coupled to the sensing unit for associating the finger action with at least one form component on the form. The touchless tablet identifies a selection of a form component (122) based on a location and action of the finger above the form. A display (140) connected to the touchless tablet can expose a graphical application, wherein a touchless selection of a form component corresponds to a selection of a graphical component on the graphical application.

Abstract: The tactile transmission device includes a plurality of cells arranged at regular intervals, each having a storage space therein. A contact member is installed in each of the cells, an upper portion of the contact member protruding out of the cell. An elastic member is installed in each of the cells, and biases the contact member upwards. A sensor is installed in each of the cells, and measures displacement of the contact member. A magneto-rheological fluid is contained in each of the cells. A coil is installed in each of the cells and generates a magnetic field in the cell. A control means compares a shape information value of the image with a displacement value of the contact member output from the sensor, thus controlling a quantity of current applied to the coil. According to the present invention, the shape information of an image displayed on a screen is corrected to be suitable for a user's characteristics, thus more precisely transmitting the shape information on the screen to the user.

Abstract: A mouse with multi button functionality is disclosed. The mouse includes a housing that surrounds the internal components of the mouse. The housing includes at least a first member and a second member, each of which forms a substantial portion of the housing. The first member moves relative to the second member so as to implement at least one of the multiple button functions of the mouse.

Abstract: A handheld wireless communication device configured to send and receive text messages. The device is hand cradleable with a body configured to be held in one hand by an operator during text entry. A display is located on a front face of the body and upon which information is displayed to the operator during text entry. A key field is also located on the front face of the body and that includes a plurality of alphanumeric input keys and menu control keys. A microprocessor is provided that receives operator commands from the keys and the trackball navigation tool and which affects corresponding changes to the display based on user input. The key field is arranged such that the keys in lateral exterior key columns are associated with an application function.

Abstract: A human interface configured to optimize a biomechanical effect of a human user's opposing thumb and fingers by including, on one surface, one or more software configurable input elements manipulatable by a user's thumb(s) or a stylus, and, on another surface, one or more software configurable selection elements manipulatable by a user's finger(s). A selection element may be a pressure sensor pad configurable to represent delineated active areas that are mapped to one or more input functions. Shape changing media may be provided to permit a user to tactilely discriminate between delineated active areas. Tactile feedback may be provided to a user through palpable detents, vibratory or force producing units. Inputting data may include mapping each selection element to a shift function, mapping each input element to text functions, and using the selection elements to shift between text functions associated with an input element to input a desired text function.

Abstract: A method for providing interactive self-supporting screen with scalable flexibility. Such a support combined with a flexible computer screen enables reliable touch, writing, mobile drawing, accurate selection, and virtual typing without requiring desk or table space. A flexible screen when rolled up will provide a reduced footprint device for storage or transport and the selective deployment to the required size as the operator desires. Consisting of Protective layer (Flexible-paper feel surface, can be touch enabled), Organic Light Emitting Display (OLED) layer, back light layer (if required), Backing (flexible, slat seam filling; blotter feel), Slats or slabs (Curtin or blinds like), and pullout, telescoping, or swing out cantilever supports.

Abstract: A photoelectric sensing array assembly is disclosed for use in combination with an optical touch screen that is externally adaptable to a video monitor for serving as an input device to an electronic device connected to the video monitor. More particularly, the photoelectric sensing array utilizes interconnectable segment components of a variety of standardized sizes to permit the construction of optical touch screens of any dimension. In one implementation, first and second pairs of rails are mounted in a frame-like configuration in photoelectric communication for detecting the presence of an opaque object disposed therebetween. Each one of the rails includes a plurality of interconnected segment components having an arrangement of photoelectric elements disposed thereon.

Abstract: A multifunction touchpad is placed on an operation panel of a notebook computer to control the notebook computer. The multifunction touchpad comprises a display panel, a control module, and a wireless transmission module. The multifunction touchpad can display an operation menu and a system message on the display panel by way of a software program, and can be used wirelessly when separated from the notebook computer.

Abstract: Multifunction activation methods. A touch-sensitive mechanism comprising a first zone and a second zone is provided. The first zone has a first input definition. Upon contact with the second zone, maintained contact with the touch-sensitive mechanism and movement from the second zone to the first zone, a function is activated. If the contact moves within the first zone, the function is executed according to the first input definition.

Abstract: Item selection methods. Users touch, drag, and release contact along a touch-sensitive mechanism to select software hotkeys or menu items on a display screen. As soon as contact is made with and remains on the surface of the sensor, a menu appears on the display screen. Sustained contact and dragging along the touch-sensitive mechanism moves or scrolls through content items. When contact is terminated with the touch-sensitive mechanism, the highlighted content item is selected for launching.

Abstract: The present invention discloses an electronic device for moving the display position of a screen and a method thereof, which comprises a display device for outputting the screen; a displacement sensor for detecting a displacement of said electronic device to generate a displacement signal; and a processor connected separately to said display device and said displacement sensor, capable of issuing a move instruction according to said displacement signal for moving the display position of said screen.

Abstract: Provided is an apparatus and a method for selecting a menu in a portable terminal. The portable terminal includes a first input means that can be rotated stepwise by a predetermined angle, a second input means that can be continuously rotated and pressed, and a controller for providing a menu list corresponding to the rotation direction of the first input means and the number of steps of rotation of the first input means, changing the position of a cursor on the menu list according to the rotation direction and the rotation degree of the second input means, and performing an operation corresponding to a menu in which the cursor is located when the second input means is pressed.

Abstract: A current driver circuit includes a DA conversion part for generating a display current whose magnitude corresponds to a value of a displayed data, a timing control part for generating a write controlling signal, and a plurality of electric current latching parts, each of which generates a driving current. Each of the electric current latching parts having a capacitor generates a display current whose magnitude corresponds to a magnitude of a voltage to which the capacitor is charged. Each of the elective current latching parts performs a reset operation that once discharges the capacitor in response to a reset signal generated by the timing control part. The current driver circuit can generate the driving current with high accuracy and improve the speed of response to the display device.

Abstract: The invention relates to a signal display device for displaying signals, in particular on signal paths, in particular of a wiring harness, which may be connected to the signal outputs of an electronic apparatus (4) generating/receiving signals, or looped into the signal paths (SW) between a signal-generating electronic apparatus (5) and a signal-receiving electronic apparatus (6), and with which a signal to be displayed each time is measurable from a plurality, preferably all, of the signal paths (SW), and each measured signal is fed to an evaluation unit (7) that, for each measured signal, activates a multicolor display element (9) based on a value of the signal, such that one of several colors may be displayed using the multicolor display element (9).

Abstract: The present invention provides a driving method for a display device which includes a display part having pixels of M columns×N rows and a memory, wherein each pixel includes a light emitting element and a driving transistor for driving the light emitting element. At times other than a usual light emitting time, a driving voltage is applied to the driving transistor of each pixel so as to turn on the light emitting element of each pixel, a value of current which flows in the light emitting element of each pixel is detected, correction data for each pixel is calculated based on the detected value of current, and the calculated correction data for each pixel is stored in the memory. At the usual light emitting time, a driving voltage which is based on data which is obtained by adding the correction data stored in the memory to video signal data is applied to the driving transistor of each pixel.