Abstract: It is an object to provide a touch panel which includes an A/D converter circuit and has a function of image shooting with high resolution and high-level gray scale and at high operation speed. A touch panel includes a plurality of pixels each provided with a display element and a photo sensor, an A/D converter to which a first potential is applied from a photo sensor, and a reading circuit. The A/D converter includes an oscillation circuit which changes the oscillating frequency of a first signal to be generated in accordance with the first potential and stops oscillating when a second potential is applied thereto from the reading circuit, and a counter circuit which generates a second signal having a discrete value determined in accordance with the oscillating frequency.

Abstract: An active matrix type liquid crystal display device may include a black signal insertion device to apply a voltage corresponding to a black display as a voltage for data signal lines only during a black signal insertion period that is a part of one frame period, a black insertion ratio change device to change the insertion period, and an unchanged-storage-capacitor-phase-keeping device to control the insertion period after the change. The control makes a time difference the same, before and after the change, between (i) a timing, among timings at which signal voltages of the first or second storage capacitor line rise, at which a storage capacitor voltage rises that is both prior to a start timing of the insertion period and a closest timing to the start timing of the insertion period, and (ii) the start timing of the insertion period.

Abstract: Disclosed are a liquid crystal display and a method of the liquid crystal display. The liquid crystal display includes a liquid crystal panel, a backlight unit that supplies light to the liquid crystal panel and has a plurality of light sources, and an image calibration unit that calculates a global dimming resultant value and a local dimming resultant value for an image data signal inputted to the liquid crystal panel, analyzes an average picture level for each block with respect to the image data signal, and determines a convex combination parameter based on the global dimming resultant value, the local dimming resultant value, and the average picture level to generate a calibration dimming value for the backlight unit and an image calibration value for the image data signal.

Abstract: The video processing circuit includes a boundary detection unit that detects a specific boundary, which is a part of a boundary of a first pixel for which an applied voltage designated by the video signal is less than a first voltage, and a second pixel for which the applied voltage is more than a second voltage larger than the first voltage, the specific boundary being determined by tilt azimuth of the liquid crystal, and a replacement unit that replaces an applied voltage to a liquid crystal element corresponding to the first pixel with a predetermined voltage from the applied voltage designated by the input video signal when the applied voltage designated by the video signal is less than a third voltage smaller than the first voltage with respect to the first pixel adjacent to the specific boundary.

Abstract: A touch position-sensing panel has electrodes arranged in different directions to form capacitive nodes, where at least one electrode has a corner within the perimeter of the electrode.

Abstract: The present invention provides an image/graphics data display mechanism for continuously displaying image/graphics data on multiple display devices of a computer that contains a system memory directly accessed by the computer's CPU during the CPU's power saving non-responding period, wherein there is provided sufficient system bandwidth, the mechanism of the present invention is independent on the resolution running on each display device and the number of display devices connected to the computer system. The mechanism provides two approaches to achieve continuous display of image/graphics data on multiple display devices computer system. In the first approach, a common clock source is used to coordinate display device horizontal synchronization signals, vertical synchronization signals, horizontal blank periods, and vertical blank periods. In the second approach, the mechanism has a control on the lengths and occurrences of the display device blank periods.

Abstract: A light emitting lamp, a backlight assembly and a display device including the same are provided. The light emitting lamp includes a lamp tube longitudinally extended along an extension line, and a plurality of set electrodes disposed on a periphery of the lamp tube and along the extension line. The periphery of the lamp tube is divided into a first region and a second region by a plane including the extension line, and each of the set electrodes includes a first electrode disposed on the first region and a second electrode disposed on the second region.

Abstract: A flexible slide-touch controlling device is disclosed. The device includes first and second flexible substrates, and a spacer is interposed therebetween to form a gap between the first and second flexible substrates. A first electrode layer covers an inner surface of the first flexible substrate in the gap. A plurality of second electrode layers and a plurality of third electrode layers are respectively disposed on inner and outer surfaces of the second flexible substrate and correspond to each other. Each third electrode layer is electrically connected to a corresponding second electrode layer. A sensing material layer is disposed on the outer surface of the second flexible substrate and covers the plurality of third electrode layers to form a series of sensing segments. A position determination method for the flexible slide-touch controlling device is also disclosed.

Abstract: A pointer coordinate detection method for a touch system includes the steps of: capturing an image window looking across a plate surface with at least one image sensor; identifying a height coordinate of a pointer relative to the touch system according to a variation of each column of pixels in the image window; and calculating a plane coordinate of the pointer relative to the touch system according to an image position of the pointer in the image window. The present invention further provides a touch system.

Abstract: Techniques are described for detecting and compensating for characteristic changes of a photoelectric conversion element, such as changes related to the temperature of the photoelectric conversion element. A display device that includes an I/O display panel and a light-receiving drive circuit is disclosed. The I/O display panel includes a plurality of display pixels; and a plurality of photoelectric conversion elements including a first photoelectric conversion element that substantially is shielded from light and a second photoelectric conversion element that is exposed to light. The light-receiving drive circuit receives a first detection signal from the first photoelectric conversion element and resets the second photoelectric conversion element based on the first detection signal.

Abstract: A liquid crystal display (LCD) and an LCD panel thereof are provided. The structure of the pixel array of the LCD panel is the structure of the one third source driving (OTSD), and by which skillfully layout the coupled relationship among each pixel, each signal line and each scan line, such that the LCD panel can be driven by a column inversion to achieve the purpose of single-dot inversion displaying, and thus not only reducing the power consumption of the whole LCD, but also promoting the display quality.

Abstract: An exemplary liquid crystal display includes a data circuit, a memory, and a timing controller. The data circuit includes a polarity generating circuit. The timing controller includes: a data analysis circuit configured for analyzing video signals stored in the memory and generates a corresponding symbol bit to each datum according to the category of each datum; and a symbol bit generating circuit configured for receiving the video data from the data analysis circuit, and keeping or altering the symbol bit of each datum according to the symbol bit of each datum outputted from the data analysis circuit. The data circuit is configured for receiving the video data having symbol bits from the timing controller. The polarity generating circuit is configured for generating a corresponding polarity control signal according to each of the symbol bits of the video data. A related method for driving the liquid crystal display is also provided.

Abstract: An optical touch apparatus is disclosed. The optical touch apparatus comprises a light source emitting module, an optical module, a light sensing module, and a processing module. The optical module and the light sensing module are set around a surface of the optical touch apparatus. The light source emitting module sequentially emits scanning lights uniformly distributed above a direct scanned region of the surface according to a time sequence. When an object forms a touch point on the surface, the object will block the scanning lights and reflected lights reflected by the optical module. The light sensing module generates a sensing result according to the condition the light sensing module receives the scanning lights and the reflected lights. The processing module determines the position of the touch point according to the time sequence and the sensing result.

Abstract: A method for detecting a touched position on a touch device including a first conductive layer and sensing electrodes disposed on one side of the first conductive layer and separated from each other is disclosed. The method includes providing a first voltage to the first conductive layer; receiving a touch signal in response to a touched position of the touch device to change the first voltage at an area of the first conductive layer; measuring the sensing electrodes detecting the variation of the first voltage to obtain voltage signals; obtaining a first sensing position according to the voltage signals and a position computing mode; obtaining a second sensing position according to the first sensing position and a correction mode. The area corresponds to the touched position, the second sensing position is equal to the touched position, and the correction mode has a first curve relation.

Abstract: A display element includes a first electrode including conductive lines, a second electrode, and a dielectric layer on the first electrode. The dielectric layer has recess regions therein exposing at least portions of the conductive lines. The display element includes a fluid with colorant particles between the first electrode and the second electrode.