Abstract: It is intended to reduce the number of exclusive signal interconnections for connecting a host module to a liquid crystal display driver for a sub-display, and peripheral devices, respectively. A liquid crystal display drive and control device comprises, over one semiconductor substrate, a host interface circuit, a drive circuit, and an output port. The host interface circuit is used for connection with the host module. The drive circuit generates a drive signal for driving a liquid crystal display on the basis of information inputted to the host interface circuit before outputting. The output port is capable of controlling a logic level of an output signal on the basis of the information inputted to the host interface circuit.

Abstract: A common-voltage compensation circuit functions to provide a crosstalk interference suppressing mechanism for use in a liquid crystal display having a liquid-crystal capacitor and a storage capacitor. The compensation circuit includes a buffer for receiving a preliminary common voltage, a current/voltage converter, a high-pass filter and a ripple-voltage inverter. The current/voltage converter is utilized for generating a liquid-crystal capacitor common voltage furnished to the liquid-crystal capacitor according to an output current of the buffer. The high-pass filter performs a high-pass filtering operation on the liquid-crystal capacitor common voltage for extracting a ripple voltage. The ripple-voltage inverter is employed to generate a storage capacitor common voltage furnished to the storage capacitor through performing an inverting operation on the ripple voltage based on the preliminary common voltage.

Abstract: Color cholesteric liquid crystal display devices and driving methods thereof are provided. A color cholesteric liquid crystal display device includes a color cholesteric liquid crystal display panel with a plurality of sub-pixels. A driving module exerts a first voltage on a portion of sub-pixels of the color cholesteric liquid crystal display panel to hold displaying states of the biased sub-pixels. An input element exerts pressure on the color cholesteric liquid crystal display panel to change displaying states of the unbiased sub-pixels.

Abstract: An exemplary liquid crystal display includes a thin film transistor (TFT) substrate, a color filter substrate opposite to the TFT substrate, and a liquid crystal layer sandwiched between the TFT substrate. The color filter substrate includes a plurality of color units and a first infrared detection layer arranged between the color units. The first infrared detection layer is configured to detect infrared light beams irradiating thereon and determine an irradiated position thereof. A remote control display system employing the liquid crystal display is also provided.

Abstract: Disclosed herein are liquid-crystal display (LCD) touch screens that integrate the touch sensing elements with the display circuitry. The integration may take a variety of forms. Touch sensing elements can be completely implemented within the LCD stackup but outside the not between the color filter plate and the array plate. Alternatively, some touch sensing elements can be between the color filter and array plates with other touch sensing elements not between the plates. In another alternative, all touch sensing elements can be between the color filter and array plates. The latter alternative can include both conventional and in-plane-switching (IPS) LCDs. In some forms, one or more display structures can also have a touch sensing function. Techniques for manufacturing and operating such displays, as well as various devices embodying such displays are also disclosed.

Abstract: Disclosed is a liquid crystal display device (30) including a liquid crystal display panel (1) equipped with a light sensor circuit (2) that has a light-receiving element to determine an intensity of light projected on the light-receiving element, and also equipped with a touch detection circuit (3) that detects a touch on a display surface (1a) of the liquid crystal display panel (1) through a displacement of the display surface (1a) in the direction of the thickness of the liquid crystal display panel (1), caused by the touch on the liquid crystal display panel (1).

Abstract: An image display device and a method for correcting a display characteristic thereof are provided. The image display device includes a composite color luminance determination unit which determines luminance of a composite color using luminance of a neutral color and luminance of a pure chromatic color, a display unit which displays an image signal using the luminance of the neutral color and the luminance of the pure chromatic color and the determined luminance of the composite color, a display characteristic measurement unit which measures a display characteristic parameter from the displayed image signal, and a display characteristic correction unit which corrects a display characteristic according to a result of comparing the measured display characteristic parameter and a preset target value. Accordingly, an accurate gamma correction can be performed.

Abstract: A driving circuit and a common electrode are located within a sealant region of the first substrate, wherein the driving circuit includes switch devices and turn-line structures. The common electrode is located within the sealant region of the first substrate. The planar layer is located on the first substrate, wherein the thickness of the planar layer at the turn-line structure of the driving circuit is less than the thicknesses of other portions. The conductive layer is located on the planar layer. A second substrate having an electrode thereon is disposed opposite to the first substrate. A liquid crystal layer is located within the display region between the first substrate and the second substrate. A sealant is located within the sealant region between the first substrate and the second substrate, and conductive balls are distributed in the sealant.

Abstract: An object of the present invention is to reduce a lateral width of an FPC also with evenly aligned and arranged plurality of ICs. The liquid crystal display device according to the present invention includes a glass substrate, a plurality of ICs of COG (Chip On Glass) configuration aligned on a glass substrate along a side thereof, and an FPC (Flexible Printed Circuit) that is arranged to extend along the side of the glass substrate and that is connected to the plurality of ICs. Specified ICs from among the plurality of ICs are arranged in that extending directions of their longer sides are inclined with respect to an extending direction of the side of the glass substrate such that the longer sides face towards a central side of the FPC.

Abstract: Provided is a liquid crystal panel equipped with a touch sensor function that can detect pressing force. Multiple displacement detection units (30) are provided between a pair of substrates (31, 32) arranged opposing each other and output a signal due to displacement of one of the substrates. A displacement point detection unit (3) binarily detects whether the one substrate has become displaced at each position of the displacement detection units (30) based on the signals output from the displacement detection units (30). A coordinate detection unit (4) detects the coordinates of, among the displacement detection units (30), the displacement detection units for which the displacement point detection unit (3) detected that the one substrate became displaced, and outputs pressing force position information.

Abstract: A color liquid crystal display device capable of displaying color images comprises an input pen for use in determining the individual position for color display on the screen of a liquid crystal display panel, a coordinate detector for recognizing the position as designated by the input pen to output the position as the corresponding coordinate data, a color designator circuit for designating a color as presently selected for color display to output the color as a color data, a memory device for storing the color data representative of the color designated, a memory controller responsive to receipt of an address issued from the selected coordinate data for controlling the color data to be written into and read out of the memory, and an output controller which allows the color data read from the memory to be supplied to the liquid crystal display panel as video data.

Abstract: One aspect of the invention is a bistable cholesteric writing tablet on which an image is formed by applying a suitable voltage while applying writing pressure, which results in a focal conic texture in a reduced gap region of the active layer while not changing the texture of the unreduced gap region of the active layer (e.g., a written portion being in a focal conic texture on a background in the planar texture). Another aspect of the invention is a multi-color stacked writing tablet in which a color of an image is selected by applying a suitable voltage while applying writing pressure using an instrument such as an untethered stylus on the surface of the tablet. The writing tablet includes at least two or three stacked layers of bistable cholesteric liquid crystal material. Selected colors can be additively mixed to achieve intermediate colors as desired. The image can be erased and new images written on the tablet.

Abstract: The invention provides a liquid crystal device including: a first substrate; a second substrate that is provided over the first substrate in such a manner that the first substrate and the second substrate face each other; a plurality of optical sensing sections that is formed in an image display area over the first substrate; and a plurality of light-amount adjusting sections that is formed in the image display area in such a manner that each of the plurality of light-amount adjusting sections includes a liquid crystal portion that overlaps the corresponding optical sensing section in a plan view, constituting a part of a liquid crystal layer that is sandwiched between the first substrate and the second substrate, the plurality of light-amount adjusting sections being capable of adjusting, independently of one another, the amount of incident light that enters the plurality of optical sensing sections through an image display surface that lies at one of two surfaces of the second substrate that does not face t

Abstract: A touch display is provided, in which at least one substrate of an active LCD screen has an active device array and a row electrode group and a column electrode group connected to an active device array, and another substrate of the display screen has a common (COM) electrode; and after a normal display time ends, Liquid Crystal (LC) pre-driving signals are applied to a part or all of row and column electrode lines and the COM electrode of the display screen, an intensity of the LC pre-driving signal enables a potential difference between the row and the column electrode lines and the COM electrode with the applied LC pre-driving signals to be not smaller than an LC saturation driving voltage, such that LC molecules between the row and the column electrode lines and the COM electrode with the applied LC pre-driving signals are in a determined arrangement state.

Abstract: A display unit includes a display panel having a display screen on which images are displayed, and (b) a touch panel covering the display screen therewith and detecting a touch thereto made by a user. The touch panel detects the touch in accordance with touch-panel drive signals input thereto. The display panel displays images in accordance with display-drive signals input thereto. The touch panel is switched between a first condition in which the touch-panel drive signals are input into the touch panel and a second condition in which the touch panel is electrically open.

Abstract: It is characterized in that there is provided a liquid crystal panel including a pair of transparent substrates having electrodes for liquid crystal display disposed thereon, respectively, the electrodes for liquid crystal display being made of a transparent conductive film and serving as electrodes for liquid crystal display, and a liquid crystal sandwiched between the pair of transparent substrates; and that one of the pair of transparent substrates has an electrode for a projection capacitive sensor disposed on a side thereof with the electrode for liquid crystal display disposed thereon, the electrode for a projection capacitive sensor being made of the same conductive film as the electrode for liquid crystal display and serving as an electrode for a projection capacitive sensor.

Abstract: To realize an increase in an image quality of a liquid crystal display device having a capacitive touch screen, and an increase in are liability of a contact surface and a connection portion. A capacitive touch screen 50 and a liquid crystal display panel 30 are connected, by the same flexible wiring substrate 70, on an interior side when the touch screen 50 and the liquid crystal display panel 30 are laid one on top of the other. By so doing, a terminal is protected from an exterior, and an increase in a number of components is suppressed. Also, by installing the capacitive touch screen 50 on a color filter substrate 20 side of the liquid crystal display panel 30, a reduction of a contrast is prevented. Furthermore, a capacitive touch screen substrate 51 side is made a contact surface for an input. By so doing, a conductive layer 52 of the capacitive touch screen 50 is prevented from tearing due to an abrasion caused by a contact.

Abstract: A touch screen display apparatus includes a first substrate including a pixel electrode and a lower sensor electrode, a second substrate facing the first substrate and including a common electrode and an upper sensor electrode facing the lower sensor electrode, a liquid crystal layer interposed between the substrates, a first alignment layer disposed on the pixel electrode and the common electrode, a second alignment layer disposed on the lower sensor electrode, and a third alignment layer disposed on the upper sensor electrode. The second or third alignment layers aligns the liquid crystal layer in a different direction from a direction the first alignment layer aligns the liquid crystal layer. When pressure is applied onto a point on the first or second substrate, a distance and a capacitance between the lower sensor electrode and the upper sensor electrode at the point are changed to detect a position of the point.

Abstract: A display device which incorporates a touch panel function therein can reduce the number of elements which constitute a photo sensor circuit and can accurately detect an input coordinate position without requiring a particular coordinate arithmetic circuit. In a display device which includes: a display part on which a plurality of pixels are arranged in a matrix array; and a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light; an integral capacitance which integrates the optical current converted by the photo sensor; and a comparator to which a voltage of the integral capacitance is inputted; and the comparator includes a transistor of an open drain output type with a grounded source.

Abstract: An image display apparatus includes: a luminance modification unit configured to modify the luminance setting value so as to make a luminance difference between adjacent partial regions of a back light smaller; a luminance distribution calculation unit configured to calculate a predicted value of luminance distribution of light incident on a liquid crystal panel from the back light on the basis of the modified luminance setting value; a liquid crystal transmittance correction unit configured to correct an optical transmittance of the image signal at each pixel of the liquid crystal panel on the basis of the image signal and the luminance distribution; a back light control unit configured to control the back light on the basis of the modified luminance setting value; and a liquid crystal control unit configured to control the liquid crystal panel so that the transmittance of the image signal becomes the corrected optical transmittance.

Abstract: A display having a touch panel capability is provided. The display includes a first substrate and a second substrate opposing each other, a thin-film transistor for pixel driving formed on the first substrate, and a thin-film transistor for touch position detection including a source electrode and a drain electrode formed on the first substrate, and a gate electrode formed on the second substrate.

Abstract: Disclosed herein is a touch panel display including, a flat plate-shaped movable panel unit, a movable support member, an acoustic vibration unit, and a soft member, wherein the acoustic vibration unit includes, a sound generating member, an actuator, and a hard member.

Abstract: A liquid crystal display (LCD) having a built-in touch screen panel includes a first substrate having a plurality of pixels, wherein each of the pixels comprises a thin film transistor and a pixel electrode; a plurality of common electrode patterns corresponding to the pixel electrodes and spaced from each other along a second direction; a second substrate facing the first substrate, the second substrate having color filter patterns, wherein the color filter patterns are arranged to correspond to the pixels; a plurality of black matrix patterns between the color filter patterns, the plurality of black matrix patterns being spaced from each other along a first direction crossing the second direction; and a liquid crystal layer between the first and second substrates, wherein the plurality of common electrode patterns and at least one of the black matrix patterns are used as driving electrodes and sensing electrodes, respectively.

Abstract: A display device includes: a first insulating substrate; a main pixel which is formed on the first insulating substrate and comprises a plurality of sub-pixels and a single sensing electrode; a second insulating substrate which faces the first insulating substrate; a sensing spacer formed on the second insulating substrate which faces the sensing electrode; and a contact electrode formed on the sensing spacer.

Abstract: Provided is a touch sensor device including: at least one terminal connected to at least one contact pad; at least one common terminal; at least one light emitter connected between the common terminal and the terminal; and a touch sensor and light-emission controller unit connected to the common terminal and the terminal, and when a touch is sensed by the contact pad, controlling a corresponding light emitter to emit light.

Abstract: An embedded touch display panel including a first substrate and a second substrate is provided. The first substrate having a displaying region and a sensing region includes a stack structure, a first conductive layer and a first alignment layer. The stack structure disposed on the first substrate within the sensing region includes a protruding structure and a first rough structure disposed on the protruding structure. The first conductive layer conformally disposed on the stack structure has a first rough surface. The first rough surface is exposed from the first alignment layer that covers the first conductive layer. The second substrate includes a second conductive layer and a second alignment layer. The second conductive layer whose position corresponds to the sensing region is disposed on the second structure. A portion of the second conductive layer corresponding to the first rough surface is exposed from the second alignment layer covering thereon.

Abstract: Provided is a coordinate input device including: a plurality of detection electrodes which are arranged in a planar shape in a detection area of a substrate; a plurality of routed wires connected to the plurality of detection electrodes; a coating film which coats the plurality of detection electrodes; a detection unit which detects a capacitance variation between the plurality of detection electrodes via the coating film; and a calculation unit which calculates a capacitance forming position from the detected result of the detection unit, wherein the plurality of detection electrodes are formed in the detection area in a first direction and are arranged in a second direction orthogonal to the first direction so as to configure a plurality of detection electrode pairs, each of which is composed of a pair of adjacent detection electrodes, a ratio of the width of one-side detection electrode of the pair of detection electrodes to the width of the other-side detection electrode of the pair of detection electrode

Abstract: A liquid crystal display device is disclosed, which comprises gate and data lines arranged to cross each other on a substrate to define a pixel region; a pixel electrode formed in the pixel region; a common electrode forming an electric field together with the pixel electrode and sensing a touch of a user; and a sensing line electrically connected with the common electrode, wherein the common electrode includes a plurality of first common electrodes for sensing any one of a touch position of X axis and a touch position of Y axis and a plurality of second common electrodes for sensing the other one of the touch positions of X axis and Y axis, and the sensing line is not electrically connected with the plurality of second common electrodes but electrically connected with the plurality of first common electrodes.

Abstract: A liquid crystal display device is disclosed, which comprises first and second substrates; gate and data lines arranged to cross each other on the first substrate to define a pixel region; a pixel electrode formed in the pixel region; a common electrode forming an electric field together with the pixel electrode and sensing a touch of a user; a light shielding layer formed on the second substrate to shield light leakage to a region other than the pixel region; column spacers formed on the light shielding layer to maintain a cell gap; and a sensing line formed on the column spacers and electrically connected with the common electrode.

Abstract: A liquid crystal display device is adapted to reduce cross-talk and signal noise so as to improve the perception ratio and accuracy of a sense element. The liquid crystal display device includes: a liquid crystal panel including a plurality of pixels connected to gate lines and data lines thereon, respectively; a gate drive circuit applying scan signals to the gate lines; a data drive circuit applying pixel voltage signals to the data lines; at least one sensor unit formed in at least one pixel region and sensing external lights and a touch of the liquid crystal panel; a switch unit switching a switch voltage and the pixel voltage signals to be applied to the data lines on the liquid crystal panel; a sense processor processing the sensed signal from the sensor unit; and a timing controller controlling the gate drive circuit, the data drive circuit, the switch unit, and the sense processor to be driven in one of data write mode and light sense mode.

Abstract: A matrix sensing apparatus with architecture having reduced quantity of required sensing lines is disclosed. The matrix sensing apparatus includes a plurality of driving lines, a plurality of sensing lines and a matrix sensing region. The matrix sensing region includes a plurality of sensing areas. Each sensing area includes a first transistor, a second transistor, and a sensing unit for generating a sensing signal. The first transistor is coupled to the sensing unit and a corresponding sensing line. The second transistor is coupled to the first transistor, a first corresponding driving line and a second corresponding driving line. The first transistor together with the second transistor functions to control the signal connection between the sensing unit and the corresponding sensing line based on the driving signals of the first and second corresponding driving lines.

Abstract: A liquid crystal display device includes first and second substrates facing each other and attached to each other with a cell-gap therebetween, gate lines and data lines arranged horizontally and vertically on the first substrate, first lines formed on the first substrate, connected to the gate lines or the data lines, and each having a link bending point and bent at an angle, a TCP electrically attached to the first substrate, and second lines formed on the TCP and electrically connected to the first lines respectively. At least one link bending point is positioned at a region of the TCP.

Abstract: A touch signal transmission circuit for a touch control LCD is mounted to an inner side of an upper substrate of the LCD, having a first patterned electrode layer and a second patterned electrode layer, which are electrically insulated from each other and partially overlap each other in intervals to define a touch control section. Each of the first and second patterned electrode layers includes a plurality of electrodes in the shape of footsteps. The electrodes are interlaced with one another, having some parts overlapping and right corresponding to each other to define a plurality of touch-sensitive points. In this way, only fewer footstep-shaped electrodes are needed to cover the whole touch control section to decrease the number of bonding pads and pins of a touch control IC. Besides, a lot of touch sensitive points are closely disposed in the touch control section to keep quick detection and decoding.

Abstract: The invention provides a low cost and high performance functional circuit by reducing time required for the repetition of logic synthesis and routing of layout in a functional circuit design. A standard cell used for the logic synthesis and the routing of layout is configured by a logic circuit on an output side and a logic circuit on an input side and a driving capacity of the logic circuit on the output side is made large while gate input capacitance of the logic circuit on the input side is made small. By forming the standard cell in this manner, a ratio that the gate delay occupies in the delay time of a functional circuit can be relatively increased. Therefore, even when wiring capacitance after the routing of layout is not estimated at high precision in advance, an operating frequency can be obtained at high precision in the logic synthesis as long as a gate delay of each standard cell can be estimated at high precision.

Abstract: A display device with touch panel and a fabricating method thereof are provided. The display device with touch panel includes a flexible display panel and a force sensitive touch panel. The force sensitive touch panel is disposed under a portion of the flexible display panel. Since the force sensitive touch panel is only configured under the portion of the flexible display panel, the display device with touch panel may have touching control function and flexibility at the same time.

Abstract: A system and method are disclosed that determines the location of an object touching a display screen. The system and method modifies already existing display technology, including using the underlying structure of many types of existing displays as the touch detecting structure. The systems and methods are applicable to virtually all LCD and LCD-like displays, including emissive displays (OLED, PLED, quantum dot displays, etc.), electronic paper, and others.

Abstract: An electromagnetic-type touch input device of a touch display device includes: a main sensor board disposed under a liquid crystal display (LCD) module for sensing an electromagnetic wave signal from an electronic stylus upon a touching by the electronic so as to generate a first sensing output; an auxiliary periphery sensor disposed on a top surface of the LCD module configured with a peripheral non-display area surrounding a central display area, and including X-axis and Y-axis antenna coils disposed above said peripheral non-display area of the LCD module for sensing the electromagnetic wave signal from the electronic stylus upon the touching by the electronic stylus so as to generate a second sensing output; and a control unit outputting an input signal associated with a two-dimensional coordinate and corresponding to a location of a touch point of the electronic stylus based on the first and second sensing outputs.

Abstract: A variable capacitor is formed from a pair of electrodes and a dielectric interposed between the electrodes over a substrate, and an external input is detected by changing capacitance of the variable capacitor by a physical or electrical force. Specifically, a variable capacitor and a sense amplifier are provided over the same substrate, and the sense amplifier reads the change of capacitance of the variable capacitor and transmits a signal in accordance with the input to a control circuit.

Abstract: Disclosed herein is a liquid crystal display apparatus, including: a liquid crystal panel having a pixel region in which first and second electrodes apply an electric field to a liquid crystal layer to display an image; the liquid crystal panel including a photo-sensor element having a light receiving face at which the photo-sensor element receives incident light through the liquid crystal layer in the pixel region to produce received light data; at least one of the first and second electrodes being formed in a region of the pixel region other than a light receiving face corresponding region of the pixel region which corresponds to the light receiving face of the photo-sensor element.

Abstract: A driving circuit and a common electrode are located within a sealant region of the first substrate, wherein the driving circuit includes switch devices and turn-line structures. The common electrode is located within the sealant region of the first substrate. The planar layer is located on the first substrate, wherein the thickness of the planar layer at the turn-line structure of the driving circuit is less than the thicknesses of other portions. The conductive layer is located on the planar layer. A second substrate having an electrode thereon is disposed opposite to the first substrate. A liquid crystal layer is located within the display region between the first substrate and the second substrate. A sealant is located within the sealant region between the first substrate and the second substrate, and conductive balls are distributed in the sealant.

Abstract: A touch sensing substrate includes a substrate, first and second sensing series, a first dielectric layer, first and second dummy sensing series, a second dielectric layer, and a common electrode. The first sensing series are electrically insulated from each other, and so are the second sensing series. The first and the second sensing series are covered by the first dielectric layer. The first and the second dummy sensing series are disposed on the first dielectric layer. The first and the second dummy sensing series are disposed above the first and the second sensing series, respectively, and the dummy sensing series and the sensing series corresponding thereto have the same potential. The first and the second dummy sensing series are covered by the second dielectric layer. The common electrode is disposed on the second dielectric layer. A touch sensing liquid crystal display having the above-mentioned touch sensing substrate is also provided.

Abstract: Disclosed is an apparatus and method for embodying mirror function in a portable terminal by which a user can use an LCD of the portable terminal as a mirror, with a rear polarizer of the LCD constructed to allow the LCD to reflect incident light and to perform as a mirror when powered off, and to perform the original function of LCD when powered on. The LCD may further comprise a front polarizer for polarizing the external incident light to a certain direction, a liquid crystal for deflecting the incident light from the front polarizer about a molecular axis in the liquid crystal and arraying the light parallel to the direction of an electric field to pass the light along the molecular axis, and a rear polarizer for reflecting incident light from the liquid crystal when power is not applied and allowing the incident light to pass by the liquid crystal when power is applied.

Abstract: An object of the present invention is to provide a driving method of a liquid crystal display device for improvement of image quality and a liquid crystal display device in which the driving method is used. One frame period is divided up into an n (n: integer, n?3) number of periods (hereinafter referred to as subframe periods). Furthermore, a voltage is applied to a liquid crystal so as to correct for a loss in luminance resulting from response speed of the liquid crystal. The voltage for correction is applied during subframe periods other than the first subframe period.

Abstract: An image display device includes: a source wiring; a first gate wiring intersecting the source wiring to scan a first pixel electrode corresponding to a first scanning period; a second gate wiring adjacent to the first gate wiring to scan a second pixel electrode corresponding to a second scanning period consecutive to the first scanning period; a read signal line disposed in parallel to the source wiring; a light sensing element connected to the second gate wiring and the read signal line; and a light detection circuit configured to detect the presence or absence of light directed at the light sensing element upon receiving an output of the light sensing element. The first pixel electrode and the second pixel electrode are AC driven in the same polarity. The output of the light sensing element is connected to the light detection circuit for a predetermined interval during the second scanning period.

Abstract: A display panel with multi-touch function includes a display area and a non-display area. The display area includes a data line, a gate line, a first sensing line, a second sensing line, and a sensing unit. The sensing unit electrically connects the first and second sensing lines according to a touch signal or electrically isolates the first sensing line from the second sensing line. The non-display area includes a gate driver, a first switch and a second switch. The first switch provides a path for charging the second sensing line according to a scan signal, and the second switch provides a path for discharging the second sensing line according to a reset signal.

Abstract: An exemplary embodiment of a photo element comprises a first line, a second line, a switch transistor, and a photo transistor. The switch transistor has a first electrode, a second electrode, and a first gate. One of the first electrode and the second electrode is electrically coupled to the first line, and the first gate is electrically coupled to the second line. The photo transistor is electrically coupled to the switch transistor and arranged to detect light. The photo transistor has a third electrode, a fourth electrode, and a second gate. At least one of the switch transistor and the photo transistor is an asymmetric transistor.

Abstract: This relates to adding multi-touch functionality to a display without the need of a separate multi-touch panel or layer overlaying the display. Instead, embodiments of the invention can advantageously utilize existing display circuitry to provide multi-touch functionality while adding relatively little circuitry that is specific to the multi-touch functionality. Thus, by sharing circuitry for the display and the multi-touch functionalities, embodiments of the invention can be implemented at a lower cost than the alternative of superimposing additional multi-touch related layers onto an existing display panel. Furthermore, since the display and multi-touch functionality can be implemented on the same circuit, they can be synchronized so that noise resulting from the display functionality does not detrimentally affect the multi-touch functionality and vice versa.

Abstract: A pixel structure includes a first scan line, a second scan line, a third scan line, a data line, a first thin film transistor (TFT), a second TFT, a third TFT, a first pixel electrode and a second pixel electrode. Particularly, the second scan line and the third scan line are electrically connected with each other. The first TFT is electrically connected with the first scan line and the data line. The second TFT is electrically connected with the first TFT and the second scan line. Furthermore, the third TFT is electrically connected with the third scan line and the data line. In addition, the first pixel electrode and the second pixel electrode are respectively electrically connected with the second TFT and the third TFT.

Abstract: A liquid crystal display includes a first panel, a second panel facing and separated from the first panel, a liquid crystal layer interposed between the first and second panels, a plurality of sensor data lines formed on the second panel, a plurality of variable capacitors of which capacitance thereof is varied by pressure, the variable capacitors connected to the sensor data lines, a plurality of reference capacitors connected to the sensor data lines, and first reset transistors and second reset transistors connected to the sensor data lines and supplying a first reset voltage and a second reset voltage to the sensor data lines at different times, respectively.

Abstract: The present invention is a portable telephone device that is composed of two displays of substantially a same size, and can continuously perform two display processes in parallel by allocating different display processes to each of the displays.