Abstract: The operational amplifier according to the present invention has at least one differential input part for generating a voltage signal corresponding to an electric potential difference between a positive-phase input signal and a negative-phase input signal by using a differential pair configured from a pair of transistors; an output part for generating and outputting an output signal of a logic level corresponding to the voltage signal generated by the differential input part; at least one auxiliary current generator for detecting a sudden change in the positive-phase input signal or the negative-phase input signal and generating an auxiliary current; and a drive current generator for adding together a predetermined reference current and the auxiliary current and generating a drive current of the differential input part.

Abstract: The present invention causes noise in a low-luminance portion to become less prominent when a backlight is divided into a plurality of regions and the luminance of the backlight is controlled in accordance with a video signal corresponding to each of the regions. An area active control portion (2) divides a video signal into a plurality of regions and outputs a first feature amount for every region. An LED control portion (3) determines a first luminance for each of the divided regions of an LED backlight (5) in accordance with the first feature amount of every region. Within a range where the total value of an LED drive current is no greater than a predetermined allowable current value, a magnification constant is uniformly multiplied by the first luminance to determine a second luminance.

Abstract: An organic electroluminescent device comprises: a substrate; a display unit located on the substrate and including a plurality of subpixels; a sealing region located at the outer periphery of the display unit and defined to form a sealing member; and a plurality of wiring lines connected to the display unit and disposed on the lateral side of the display unit, some of the plurality of wiring lines are respectively divided into two or more in the sealing region.

Abstract: A method and electronic device for receiving input and outputting characters based on sound stroke patterns are described. In accordance with one embodiment, there is provided a method for receiving input on an electronic device, comprising: detecting sounds generated by characters written on a writing surface; identifying strokes defining the characters from the detected sounds in accordance with a number of predefined sound signatures, wherein each character written on the writing surface is defined by a stroke sequence comprising at least one stroke; determining at least one character which matches the at least one stroke in each stroke sequence; and outputting a string comprising the at least one character which matches the at least one stroke in each stroke sequence.

Abstract: A mobile terminal and a method of controlling the mobile terminal are provided. The method includes displaying an operation screen on a display module capable of identifying a fingerprint; if a multi-fingerprint-touch input including first and second fingerprint-touch inputs is received through the display module, selecting a locked operation menu from the operation screen; and if fingerprint information of the multi-fingerprint-touch input is authenticated, unlocking and then executing the selected operation menu. Therefore, it is possible to perform fingerprint authentication and the execution of an operation at the same time in response to a multi-fingerprint-touch input.

Abstract: A handheld device includes a housing and a keypad assembly configured within the housing. The keypad assembly includes one or more groups of keys configured for movable positioning between a first orientation in which a top surface of an individual key is exposed to a user, and a second orientation in which the top surface of the key pivotally retracts into the housing so as to expose an edge surface of the key.

Abstract: A liquid crystal display includes a liquid crystal panel having liquid crystal cells in a matrix array at crossings of data lines and gate lines, a data drive circuit for providing data signals to the data lines, a gate drive circuit for providing gate signals to the gate lines, and a timing controller for receiving video data and timing signals, for checking a frame frequency of the video data in real-time to detect changes in the frame frequency, and for outputting a gate timing control signal to control the gate driving circuit in response to changes in the frame frequency and a data timing control signal for controlling the data driving circuit, wherein the gate timing control signal controls black data insertion percentage in a frame.

Abstract: In an image display device including: an electrophoretic display element having a memory property and a display/update controlling unit which outputs the first control signal and the data signal to the data line driving circuit, and the second control signal to the scanning line driving circuit, based on given image data, during the image updating period of time, and cuts off power supply to the data line driving circuit and the scanning line driving circuit, during an image holding period of time, the display/update controlling unit, during the image updating period of time, inputs sequentially a plurality of pieces of compressed image block data having a data configuration which one screen of the image data is divided into a plurality of blocks, and compressed for each block, expands the compressed image block data of a preceding screen and the compressed image block data of a corresponding updating screen sequentially inputted, and outputs the data signal for screen update to the data line driving circuit,

Abstract: The invention discloses a touch input device and a touch sensor circuit. The touch input device includes a touch panel, a selection module and a differential detection module. The touch panel includes a plurality of capacitive nodes thereon. The selection module is electrically connected with the capacitive nodes of the touch panel. The selection module selects a first capacitive node and a second capacitive node from the capacitive nodes. The second capacitive node is close to the first capacitive node. The differential detection module, electrically connected to the selection module, is used for detecting a capacitance difference between the first capacitive node and the second capacitive node. According to the capacitance difference, the differential detection module generates a touch detection signal.

Abstract: The present invention provides a display device includes: a pixel array section including a set of pixels arranged in a form of a matrix; and a driving section for driving the pixel array section.

Abstract: A liquid crystal display (LCD) system including a liquid crystal (LC) panel; an LC panel controller to send output code values to the LC panel; a backlight to illuminate the LC panel; a backlight controller; and a display controller to control the backlight controller and the LC panel controller, and receive input code values from an image source is presented wherein the LCD system uses a dynamic knee point determination of soft clipping to provide output code values to the LC panel. A method for using an LCD system as above is also provided.

Abstract: A stereoscopic image display device comprises: a display panel including thin film transistors (TFTs) formed at crossings of data lines and gate lines and m×n (m and n are positive integers) number of pixels divided into main subpixels and auxiliary subpixels; a data driving circuit supplying a data voltage of a two-dimensional (2D) image to the data lines in a 2D mode and supplying a data voltage of a three-dimensional (3D) image to the data lines in a 3D mode; and a gate driving circuit simultaneously supplying gate pulses to a pair of gate lines including neighboring gate lines in the 2D mode and simultaneously supplying gate pulses to even-numbered gate lines in the 3D mode.

Abstract: A predetermined display image is displayed on a display device, and a hue of the display image corresponding to an input position obtained from a pointing device is obtained. A predetermined range having the obtained hue at a center thereof is set as a conversion target range, and at least one of saturation, brightness, and hue is changed with respect to a pixel of the display image which has a hue within the conversion target range to display a resultant image on the display device.

Abstract: A touch sensor that may detect an object away from the sensor is provided. The touch sensor includes one or more drive electrodes; one or more detection electrodes forming capacitance in cooperation with the respective drive electrodes; a detection circuit applying drive signals to the respective drive electrodes to detect the object based on detection signals obtained from the respective detection electrodes in response to the respective drive signals; and a controller controlling to change a range of electric flux lines generated between the drive electrodes and the detection electrodes.

Abstract: A flexible projective capacitive touch sensor structure includes following elements. A roll of first flexible transparent substrate has sensing unit regions thereon, and each of the sensing unit regions includes at least two first transparent patterned electrodes and at least three second transparent patterned electrodes. Bridging wires respectively stride over the corresponding first transparent patterned electrodes and respectively and electrically bridge the second transparent patterned electrodes located at two sides of each of the first transparent patterned electrodes to form at least one conducting wire. Dielectric pads are disposed between the bridging wires and the first transparent patterned electrodes. First connection wires are connected to the first transparent patterned electrodes and have first electrical connection terminals.

Abstract: A method of controlling a portable electronic device includes detecting a touch on a touch-sensitive display, adjusting a first threshold based on detected conditions during the touch, comparing a value related to the touch on the touch-sensitive display to the first threshold, and when the value related to touch meets the first threshold, turning off the display.

Abstract: A stylus comprises a first shell, a second shell, a first slide enabling member. The first shell has a first hole defined therethough. The second shell is slidably accommodated in the first hole of the first shell. The first slide enabling member couples the second shell to the first shell such that the second shell slides relative to the first shell from a retracted configuration to an extending configuration. The first slide enabling member includes a first pin and a first track that engages the first pin, the second shell slides relative to the first shell along the first pin.

Abstract: An information processing apparatus executes a variety of processing operations in accordance with a user's operation detected by an operation detection device. The apparatus generates a data set from a data group in accordance with a predetermined condition. The apparatus determines the content of processing corresponding to the motion detected by the operation detection device. The apparatus adjusts the data set by increasing or decreasing data included in the data set generated, based on the determined processing.

Abstract: A touch pad is controlled to detect a location of one or more objects (16) on a touch surface (15) of a transmissive element (12). The touch pad includes at least two scanning arrangements (24-26, 28, 29) which are configured as optical scanning transceivers. Each scanning arrangement is adapted to provide a beam of radiation along a pertaining direction (18) in the transmissive element (12), such that the beam propagates inside the transmissive element (12) by total internal reflection. Each scanning arrangement is also adapted to receive radiation from the transmissive element (12) and from the pertaining direction (18), and output corresponding signal. Each scanning arrangement is further adapted to scan the pertaining direction substantially along the touch surface (15).

Abstract: The present invention achieves a display device capable of quick compensation of charging of parasitic capacitance with a simple configuration and low power consumption. The display device in accordance with the present invention includes (i) pixels, (ii) signal wires (Sj), and (iii) an operational amplifier (OP1) having a non-inverting input terminal connected with a corresponding signal wire (Sj). The operational amplifier (OP1) is configured such that: the non-inverting input terminal is connected with an output terminal (OUT) via a first impedance element (R1); an inverting input terminal is connected with the output terminal (OUT) via a second impedance element (R2); and the inverting input terminal is connected with a reference voltage terminal via a third impedance element (Cn).