Abstract: A system for driving an array of display elements includes a supply line, at least one capacitor, a plurality of drive lines and overdrive lines, a plurality of switches and a controller configured to activate and deactivate subsets of the switches in order to selectively couple the at least one capacitor to the drive lines and to the overdrive lines. A method for generating an overdrive voltage includes activating and deactivating a plurality of switches to couple a drive voltage line and/or an overdrive voltage line to at least one capacitor.

Abstract: The liquid crystal display device 30, included in the multi-display device 1, includes (i) a receiving section 21 for receiving display image data indicative of a display image to be displayed on a display panel 11 of the liquid crystal display device 30 and (ii) a light intensity determining section 22 for determining light intensity for each of segments of a backlight device 12 of the liquid crystal display device 30. When the receiving section 21 receives peripheral display image data, which is indicative of a peripheral image contiguous to the display image, the light intensity determining section 22 determines the light intensities of the respective segments based on the display image data and the peripheral display image data.

Abstract: Each liquid crystal display device of a multi-display system includes a light intensity correcting section, which performs a light intensity correction in which backlight intensity of each of light intensity control areas belonging to a liquid crystal display device including the light intensity correcting section is corrected in accordance with backlight intensities of adjacent areas which are adjacent to the light intensity control area. In a case where another liquid crystal display device which is adjacent to the liquid crystal display device including the light intensity correcting section includes one of the adjacent areas, the light intensity correcting section accesses to the another liquid crystal display device via the communication section so as to obtain the backlight intensity of the one of the adjacent areas, in order to perform the light intensity correction in accordance with the obtained backlight intensity of the adjacent area.

Abstract: The exemplary embodiment suggests an apparatus and a method for driving a light source of a backlight unit. The apparatus for driving the light source of the backlight unit comprises a plurality of LED columns; a power output terminal and feedback terminals connected to the LED columns; and an LED driver sequentially driving the LEDs according to sequentially delayed PWM signals. The LED driver decides an operable number of LED channel based on the signals input through the feedback terminals, and sequentially delays the PWM signals with the phase difference controlled by the number of LED channel.

Abstract: Methods and apparatuses for per display scale factors within a multiple display system are described. In one aspect of the invention, a machine implemented method includes setting a scale factor for each window buffer equal to an extreme scale factor among a plurality of displays. The method further includes transferring data from each window buffer into a corresponding frame buffer for one of the plurality of displays by setting a scale factor of each frame buffer equal to the scale factor of the corresponding display. In one example according to this aspect, the method further includes displaying on a high resolution display and a low resolution display an image, stored in the corresponding frame buffers, with substantially the same physical size even though the displays have different scale factors and pixel densities. Also, the extreme scale factor is one of the largest scale factor or the smallest scale factor.

Abstract: Fluorescent screens and display systems and devices based on such screens using at least one excitation optical beam to excite one or more fluorescent materials on a screen which emit light to form images. The fluorescent materials may include phosphor materials and non-phosphor materials such as quantum dots. A screen may include a multi-layer dichroic layer.

Abstract: A liquid crystal display apparatus according to the invention is an in-plane switching liquid crystal display apparatus having gate wirings and source wirings, which intersect one another, and also having pixel electrodes each connected to an associated one of the source wirings, and common electrodes disposed opposite to the pixel electrodes. A scanning signal is inputted to the gate wiring so that one horizontal period has a writing period, in which a pixel potential is written to the pixel electrode, and a nonwriting period, in which no pixel potential is written to the pixel electrode. The pixel potential is outputted to the source wiring in the writing period, while a common potential is inputted to the source wiring in the nonwriting period.

Abstract: This invention relates to active matrix OLED (Organic Light Emitting Diode) displays, in particular to display panels with integrated negative capacitance circuits and to active capacitance compensation. We describe an active matrix OLED display comprising a glass panel bearing a plurality of lines of OLED pixels, each with an associated active matrix driver circuit having a programming connection for programming a brightness of the associated OLED, programming connections of a line of pixels being connected to a programming line of said display, and wherein said active matrix OLED display further comprises a plurality of capacitors on said glass panel, each having a first plate connected to an end of a respective said programming line and having a second plate for connecting to a negative capacitor circuit to compensate for a capacitance of said programming line.

Abstract: Method is proposed of angular coordinates determination for observer's head relative to three mutually perpendicular axes of fixed (or tied to an object) coordinate system OXYZ (angle of roll, azimuth, elevation angle) by use of measuring system based on light-sensitive sensor with collimating lens fixed relative to coordinate system and LED lasers installed on head-mounted module HMM. Measuring device registers angular coordinates of narrow pencils of rays formed by LED lasers and provides determination of observer's head angular coordinates in real-time. Three angles of HMM can be determined by proposed method while no less than two LED lasers are in lens field of view with angle ? of set value and direction included between their axes. To provide specified measurement range of observer's head angles exceeding lens field of view LED lasers matrix is installed on HMM containing LED lasers allocated in several horizontal and vertical lines.

Abstract: A liquid crystal display includes a substrate, a plurality of gate lines formed on the substrate, a plurality of data lines intersecting the gate lines, a plurality of thin film transistors connected to the gate lines and the data lines, a plurality of pixel electrodes connected to the thin film transistors and including a first edge parallel to the gate line and a second edge that is shorter than the first edge and is next to the first edge, and at least two gate drivers connected to mutually exclusive, interlaced subsets of the gate lines. The gate drivers may include the first gate driving circuit and the second gate driving circuit disposed opposite to each other with respect to the substrate.

Abstract: An ElectroPhoretic Display (EPD) for changing a display is provided. An apparatus having the EPD applies a driving voltage with a periodic pulse to first color particles for a voltage applying period of the first color particles if a current temperature is below a predetermined temperature. The apparatus applies a driving voltage with a pulse that is kept at the same level as applied to second color particles for a voltage applying period of the second color particles. The first color particles have a higher mobility than the second color particles.

Abstract: A light emitting display includes a data driver, a scan driver, and a display. The data driver generates a data signal and transmits the data signal to data lines. The scan driver generates a first selection signal and transmits the first selection signal to first scan lines. The display includes the data lines and the first scan lines, first pixels, a first dummy pixel group, and a second dummy pixel group. The first pixels are defined by the data lines and the first scan lines. The first and second dummy pixel groups are respectively formed of dummy pixels, including pixel circuits, provided adjacent to the scan driver and the data driver. Each pixel circuit of the first dummy pixel group is applied with a voltage of a first power source. Each pixel circuit of the second dummy pixel group is applied with the voltage of the first power source.

Abstract: A sensing method and circuit for a capacitive touch panel sense the capacitance variation of a lateral capacitor formed at the intersection of two traces of the capacitive touch panel, to distinguish a real point from a ghost point. A sensing cycle includes two non-overlapping clock phases. In the first clock phase, the voltages across the lateral capacitor and across a sensing capacitor are set. In the second clock phase, the voltage at a first, terminal of the lateral capacitor is changed, and a second terminal of the lateral capacitor is connected to a first terminal of the sensing capacitor, causing a voltage variation at a second terminal of the sensing capacitor. This voltage variation is used to determine whether the intersection is touched. The sensing method and circuit reflect the status of the lateral capacitor in real-time and prevent the location of the touch point from being misjudged.

Abstract: Examples of arrangements of electrodes on a touch sensitive screen provide one or more advantages, such as reduced cross coupling, for example, when a person is using both thumbs or several fingers at substantially the same time to control the touch screen.

Abstract: Fluorescent screens and display systems and devices based on such screens using at least one excitation optical beam to excite one or more fluorescent materials on a screen which emit light to form images. The fluorescent materials may include phosphor materials and non-phosphor materials such as quantum dots. A screen may include a multi-layer dichroic layer.

Abstract: A LCD panel includes an invisible zone and a visible zone. The invisible zone includes a gate driver and a wiring zone, wherein the gate driver sequentially outputs six pulse signals. By the wiring zone, a first pulse signal is converted into a first gate driving signal of the visible zone, a second pulse signal is converted into a fourth gate driving signal of the visible zone, a third pulse signal is converted into a fifth gate driving signal of the visible zone, a fourth pulse signal is converted into a second gate driving signal of the visible zone, a fifth pulse signal is converted into a third gate driving signal of the visible zone, and a sixth pulse signal is converted into a sixth gate driving signal of the visible zone.

Abstract: A data driver includes two data processing circuits for respectively providing positive and negative pixel voltages according to first and second pixel data, and a multiplexer circuit including multiplexer units. Each multiplexer unit has first and second input terminals respectively receiving the positive and negative pixel voltages, and an output terminal coupled to a data line. A first switching device has first and second switches serially coupled between the first input and output terminals. A node between the first and second switches is selectively grounded via a third switch. A second switching device has fourth and fifth switches serially coupled between the second input and output terminals. A node between the fourth and fifth switches is selectively grounded via a sixth switch. When the first and second switches turn on, the sixth switch turns on. When the fourth and fifth switches turn on, the third switch turns on.

Abstract: One embodiment of the present invention provides a system that switches from a first graphics processor to a second graphics processor to drive a display. During operation, the system receives a request to switch a signal source which drives the display from the first graphics processor to the second graphics processor. In response to the request, the system first configures the second graphics processor so that the second graphics processor is ready to drive the display. Next, the system switches the signal source that drives the display from the first graphics processor to the second graphics processor, thereby causing the second graphics processor to drive the display.

Abstract: A method for updating display image of an electrophoretic display panel and an electrophoretic display apparatus using the same are provided. In the aforementioned method, the gate lines of the electrophoretic display panel are divided into a first group and a second group. The display data related to pixels coupled to the gate lines of the first group need not to be updated. Furthermore, the display data related to at least one of the pixels coupled to the gate lines of the second group need to be updated. The first type gate pulses are provided to the gate lines of the first group respectively, and second type gate pulses are provided to the gate lines of the second group respectively. The second type gate pulse has a predetermined pulse width. The pulse width of the first type gate pulse is shorter than the predetermined pulse width.