Patent application number | Description | Published |
20080204648 | LIQUID CRYSTAL DISPLAY DEVICE AND DISPLAY APPARATUS - There is provided a liquid crystal display device that includes a liquid crystal layer interposed between a first substrate and a second substrate and has on a first substrate side a common electrode and a pixel electrode for applying an electric field to the liquid crystal layer, the liquid crystal display device including: a plurality of scan lines and a plurality of signal lines; a drive element; a first insulating film; a common electrode; a second insulating film; and a pixel electrode, wherein the common electrode covers the pixel area except a formation area of the contact hole on the first insulating film and at least one of the scan line and the signal line. | 08-28-2008 |
20090015762 | DISPLAY APPARATUS - A display apparatus includes a liquid crystal panel including a pair of substrates and a liquid crystal layer sandwiched between the substrates; a polarizing plate provided on the side of the liquid crystal panel from which display light is to be extracted; and a common electrode and a plurality of pixel electrodes disposed in an insulating state on a face of one of the substrates adjacent the liquid crystal layer. The transmission axis of the polarizing plate extends obliquely with respect to outer peripheral sides of a display screen. Each pixel electrode has a substantially quadrilateral outer shape having two major sides substantially parallel or perpendicular to the transmission axis of the polarizing plate. Each pixel electrode has plural electrode portions extending in parallel to the major sides of the outer shape of the pixel electrode in the outer shape. | 01-15-2009 |
20090135118 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed herein is a liquid crystal display device having a pixel electrode in a shape of comb teeth, the pixel electrode including a plurality of comb tooth electrodes arranged in one direction, and having a reflective display section and a transmissive display section in each pixel, wherein the pixel electrode is formed such that width of the reflective display section is larger than width of the transmissive display section in a direction perpendicular to a direction of arrangement of the reflective display section and the transmissive display section, and the plurality of comb tooth electrodes are coupled to each other at only an end part. | 05-28-2009 |
20090147198 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - Disclosed herein is a liquid crystal display device including: a first substrate having a pixel area in which pixels are arranged in a matrix form; a second substrate disposed to be opposed to the first substrate; a liquid crystal layer disposed between the first and second substrates; a conductive section disposed at least on the first of the first and second substrates to apply a voltage to the liquid crystal; an organic film disposed at least over one of the first and second substrates; a sealing area adapted to hold the two substrates of the liquid crystal display device together at the peripheral portions of the first and second substrates; and an organic film-free area which is free from the organic film and extends from the inward side of the outermost end of the sealing area to the outward side of the outer periphery of the pixel area. | 06-11-2009 |
20090195717 | LIQUID CRYSTAL APPARATUS - Disclosed herein is a liquid crystal apparatus, including, a pair of substrates; and a liquid crystal layer held between the substrates, the liquid crystal layer having positive dielectric anisotropy, the liquid crystal of the liquid crystal layer exhibiting, when no voltage is applied thereto, an orientation direction parallel to a transverse electric field which is generated when a voltage is applied to the liquid crystal layer. | 08-06-2009 |
20090256818 | Display device and a method of driving the same - A display device including: a plurality of pixels; pixel electrodes; n (n≧2) counter electrodes; a display functional layer; a write drive scanning portion; detection electrodes; an alternate current drive scanning portion; and a detecting portion. | 10-15-2009 |
20090268132 | LIQUID CRYSTAL DISPLAY APPARATUS - 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. | 10-29-2009 |
20090315921 | IMAGE DISPLAY APPARATUS AND DRIVING METHOD THEREOF, AND IMAGE DISPLAY APPARATUS ASSEMBLY AND DRIVING METHOD THEREOF - An image display apparatus includes: an image display panel having a two-dimensional matrix with (P×Q) pixels each including first, second and third sub-pixels for displaying respective first, second and third elementary colors, and fourth sub-pixel for displaying a fourth color; and a signal processing section configured to receive first, second and third sub-pixel input signals respectively provided with signal values of x | 12-24-2009 |
20090322802 | IMAGE DISPLAY PANEL, IMAGE DISPLAY APPARATUS DRIVING METHOD, IMAGE DISPLAY APPARATUS ASSEMBLY, AND DRIVING METHOD OF THE SAME - Disclosed herein is a method for driving an image display apparatus including: an image display panel whereon pixels each having first to third sub-pixels are laid out in first and second directions to form a 2-dimensional matrix, at least each specific pixel and an adjacent pixel adjacent to the specific pixel in the first direction are used as first and second pixels respectively to create one of pixel groups, and a fourth sub-pixel is placed between the first and second pixels in each of the pixel groups; and a signal processing section configured to generate first to third sub-pixel output signals for the first pixel on the basis of respectively first to third sub-pixel input signals and to generate first to third sub-pixel output signals for the second pixel on the basis of respectively first to third sub-pixel input signals. | 12-31-2009 |
20100013803 | DISPLAY APPARATUS AND DRIVING METHOD - Disclosed herein is a display apparatus, including: a display pixel section including a plurality of pixels each including a plurality of subpixels arrayed in a two-dimensional lattice pattern; a plurality of pixel switches for individually driving the plural subpixels; and a plurality of scanning lines to each of which a pair of pixel switch groups each including a series of ones of the pixel switches arrayed along one of the two-dimensional directions of the pixel switches are connected; the pair of pixel switch groups being arranged in an opposing relationship to each other with the scanning line interposed. | 01-21-2010 |
20100033448 | LIQUID CRYSTAL DISPLAY DEVICE AND A METHOD OF MANUFACTURING THE SAME - A liquid crystal display device includes a first substrate on a display surface side; a second substrate on a back surface side; a liquid crystal layer formed between the first and second substrates; an alignment film formed on one of the first and second substrates so as to contact the liquid crystal layer; a first sensor electrode formed on a surface, of the alignment film, contacting the liquid crystal layer; and a second sensor electrode formed on the other of the first and second substrates, and adapted to either contact or approach the first sensor electrode when the first substrate is pressed from the display surface side. | 02-11-2010 |
20100066692 | CONTACT DETECTING DEVICE AND DISPLAY DEVICE - Disclosed herein is a contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other. | 03-18-2010 |
20100085324 | CONTACT DETECTING DEVICE, DISPLAY DEVICE, AND CONTACT DETECTING METHOD - A contact detecting device includes: n driving electrodes that are arranged in a scanning direction; a detection drive scanning unit that selects continuous m (2≦m04-08-2010 | |
20100182273 | DISPLAY DEVICE WITH TOUCH SENSOR - A common electrode | 07-22-2010 |
20100225612 | DISPLAY APPARATUS - A display apparatus includes: a first and second substrates disposed in an opposing relationship to each other; a plurality of pixel electrodes disposed adjacent the first substrate; a displaying function layer exhibits an image displaying function based on an image signal supplied to the pixel electrodes; a driving electrode disposed in an opposing relationship to the pixel electrodes adjacent one of the two faces; a plurality of detection electrodes disposed on a face of the second substrate on the opposite side to the driving electrode and separated from each other in one direction so as to cooperate with the driving electrode to form capacitance therebetween; and an electrode neighboring layer disposed in contact with the second substrate and the detection electrodes and covering the detection electrodes; the electrode neighboring layer having a refractive index within a range from that of the second substrate to that of the detection electrodes. | 09-09-2010 |
20100265210 | INFORMATION INPUT DEVICE AND DISPLAY DEVICE - An information input device includes a touch panel configured to be provided with a touch sensor that detects a position at which a sensing object is brought close to a sensing surface. In this information input device, the touch sensor has a scanning electrode and a detecting electrode that is opposed to the scanning electrode with the intermediary of a dielectric substance, and is a capacitive sensor whose electrostatic capacitance changes if the sensing object is brought close to the detecting electrode. Furthermore, a slit is formed in a surface of the detecting electrode opposed to the scanning electrode. | 10-21-2010 |
20100302202 | Touch sensor, display device, and electronic apparatus - A touch sensor includes a touch drive electrode, a touch detection electrode provided opposed to or side by side with the touch drive electrode and forming an electrostatic capacitance between the touch detection electrode and the touch drive electrode, and a touch detection circuit detecting a contact or proximity position of an object on the basis of a detection signal obtained from the touch detection electrode by applying a touch sensor drive signal to the touch drive electrode. The touch drive electrode is split into plural stripe-like electrode patterns. Applying the touch sensor drive signal to part of the electrode patterns forms a drive line at that time. The touch detection circuit performs a detection on the basis of a first detection signal obtained from a first drive line formed in a first period, and a second detection signal obtained from a second drive line formed in a second period. | 12-02-2010 |
20100309162 | TOUCH PANEL, DISPLAY PANEL, AND DISPLAY UNIT - A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise, are provided. The touch panel includes: a plurality of detection scan electrodes extending in a first direction; and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes. | 12-09-2010 |
20110128254 | TOUCH SENSOR, DISPLAY AND ELECTRONIC DEVICE - A capacitive type touch sensor appropriately detecting an object, and a display and an electronic device including such a touch sensor are provided. The display including a drive electrode receiving a drive signal, a detection electrode located adjacent to the drive electrode, and a dielectric material located between the drive electrode and the detection electrode defining a capacitive area. The detection electrode generates an output signal driven by the drive signal, a detection circuit electrically connected to the detection electrode sensing the output signal. A switch element is electrically connected between the detection electrode and a voltage source providing a predefined voltage level and having a first state and a second state. A display control circuit controls a voltage applied between a display common voltage electrode and a pixel electrode to display an image based on an image signal, and the display common voltage electrode serves as the drive electrode. | 06-02-2011 |
20110267293 | DISPLAY APPARATUS WITH TOUCH DETECTION FUNCTIONS, DRIVING METHOD, AND ELECTRONIC DEVICE - A display apparatus with a substrate having a long side and a short side, a plurality of driving electrodes arranged on the substrate parallel to the long side of the substrate, a plurality of touch detection electrodes arranged on the substrate parallel to the short side of the substrate, a control unit electrically coupled to each of the plurality of driving electrodes and which sequentially drives the plurality of driving electrodes, and a detection unit electrically coupled to each of the touch detection electrodes. | 11-03-2011 |
20110267295 | DISPLAY DEVICE WITH TOUCH DETECTION, DRIVE CIRCUIT, DRIVING METHOD, AND ELECTRONIC UNIT - A display device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes; and a scan driving unit performing a first scan drive and a second scan drive. The first scan drive allows a display drive signal for driving the display elements to be applied to each of the plurality of common drive electrodes, and the second scan drive allows a touch detection drive signal for detecting an external proximity object to be applied to each of the plurality of common drive electrodes. | 11-03-2011 |
20110267296 | TOUCH DETECTION DEVICE, DISPLAY DEVICE HAVING TOUCH DETECTION FUNCTION, ELECTRONIC UNIT, AND TOUCH DETECTION CIRCUIT - A touch detection device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes, and each outputting, in response to driving of each of the drive electrodes, a series of detection signals; a signal correction section determining a reference based on the detection signals, and subtracting the determined reference from each of the detection signals; and a detecting section detecting an external proximity object based on corrected detection signals provided from the signal correction section. | 11-03-2011 |
20120044195 | Display device with touch detection function, drive circuit, driving method of display device with touch detection function, and electronic unit - A display device with a touch detection function includes a plurality of common drive electrodes arranged side by side to extend in one direction, a display element performing display, based on a pixel signal and a display drive signal, a touch detection element of electrostatic capacitance type detecting an external proximity object based on a touch detection drive signal with an amplitude larger than that of the display drive signal, and a scan drive section performing first scan drive and second scan drive, the first scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the display drive signal in a time-divisional manner, and the second scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the touch detection drive signal in a time-divisional manner. | 02-23-2012 |
20120044202 | DISPLAY UNIT WITH TOUCH DETECTION FUNCTION, AND ELECTRONIC DEVICE - A display unit with a touch detection function includes: a plurality of touch detection electrodes arranged side by side to extend in a direction, each of the touch detection electrodes being formed in a predetermined electrode pattern including electrode portion and opening portion and outputting a detection signal, based on a variation in capacitance due to an external proximity object; and a plurality of display elements formed in a layer different from a layer of the touch detection electrodes, a predetermined number of the display elements being arranged within a width dimension of a region corresponding to each of the touch detection electrodes. The predetermined electrode pattern corresponds to a layout pattern of the display elements. | 02-23-2012 |
20120062511 | DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION, AND ELECTRONIC UNIT - A display device with a touch detection function includes: a plurality of liquid crystal display elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit. | 03-15-2012 |
20120075237 | Touch detection function display device and electronic apparatus - A touch detection function display device includes a first substrate, a second substrate that includes a plurality of touch detection electrodes provided in parallel and a terminal portion formed along one substrate side and connected to each of the plurality of touch detection electrodes, a display function layer that is interposed between the first substrate and the second substrate, a seal portion that is provided to surround the display function layer to seal the display function layer between the first substrate and the second substrate and a shield electrode that is provided on the first substrate, the second substrate, or both substrates along the substrate side on which the terminal portion is provided. The shield electrode includes an electrode pattern portion that is selectively formed between the first substrate, the second substrate, or both substrates, and the seal portion. | 03-29-2012 |
20120075238 | Display device with touch detection function and electronic unit - A display device with a touch detection function includes a display function layer, a plurality of touch detection electrodes arranged side by side to extend in a first direction, and a plurality of drive electrodes arranged side by side to extend in a second direction, electrostatic capacitance being formed at intersections of the touch detection electrodes and the drive electrodes. The plurality of drive electrodes extends to a first position or a second position outside of the first position, the first position being away from a center of an outermost touch detection electrode by a half length of an arrangement pitch of the touch detection electrodes, the outermost touch detection electrode being defined as outermost one of touch detection electrodes included in an effective display region of the display function layer, and an outer edge of the effective display region is located on or inside the first position. | 03-29-2012 |
20120075239 | Touch detector and method of driving the same, display with touch detection function, and electronic unit - A touch detector capable of achieving high position resolution while improving detection sensitivity to a touch is provided. The touch detector includes: a plurality of drive electrodes arranged side by side to extend in one direction; a detection electrode extending in a direction orthogonal to a direction where the drive electrodes extend, and arranged to form a capacitance at each of intersections with the drive electrodes; and a scanning drive section sequentially selecting a predetermined plural number of target electrodes from the plurality of drive electrodes in a time-divisional manner, and applying a touch detection drive signal with a plurality of pulse waveforms for detecting an external adjacent object to the selected target electrodes to perform a scanning drive. A scanning pitch in the scanning drive is smaller than the total width of the plural number of selected target electrodes. | 03-29-2012 |
20120075240 | Display unit with touch detection function and electronic unit - A display unit with touch detection function includes a plurality of pixel signal lines each transmitting a pixel signal for display; a pixel signal line drive section applying the pixel signal to each of the pixel signal lines; display elements each performing display based on the pixel signal; touch detection electrodes each outputting a detection signal based on a change in capacitance occurring due to an external proximity object; and a touch detection section detecting, in a touch detection period, a touch event based on the detection signal, the touch detection period being different from a display period for the display elements to perform display operation. The pixel signal line drive section maintains a voltage of each of the pixel signal lines at a certain level during the touch detection period. | 03-29-2012 |
20120249404 | IMAGE DISPLAY APPARATUS AND DRIVING METHOD THEREOF, AND IMAGE DISPLAY APPARATUS ASSEMBLY AND DRIVING METHOD THEREOF - An image display apparatus includes: an image display panel having a two-dimensional matrix with (P×Q) pixels each including first, second and third sub-pixels for displaying respective first, second and third elementary colors, and fourth sub-pixel for displaying a fourth color; and a signal processing section configured to receive first, second and third sub-pixel input signals respectively provided with signal values of x | 10-04-2012 |
20120262389 | DISPLAY PANEL WITH TOUCH DETECTION FUNCTION, DRIVE CIRCUIT, AND ELECTRONIC UNIT - There are provided a display panel with a touch detection function, a drive circuit, and an electronic unit, which make it possible to realize many functions related to touch detection. The display panel includes: one or more display elements; one or more drive electrodes extending in one direction; an electrode drive section integrated into a chip, and applying a drive signal to the drive electrodes; and one or more touch detection electrodes extending in a direction intersecting the direction in which the drive electrodes extend. | 10-18-2012 |
20120262390 | DISPLAY PANEL WITH TOUCH DETECTION FUNCTION, METHOD OF DRIVING THE SAME, DRIVE CIRCUIT, AND ELECTRONIC UNIT - There are provided a display panel with a touch detection function and a method of driving the same, a drive circuit, as well as an electronic unit, which make it possible to reduce an influence of a disturbance noise. The display panel includes: a signal generation section selecting one pulse period from a plurality of pulse periods prepared beforehand, and generating a synchronization signal including a series of pulses appearing at the selected pulse period; a display section performing display based on the synchronization signal; and a touch detection section performing touch detection operation based on the synchronization signal. | 10-18-2012 |
20120268418 | DISPLAY PANEL WITH TOUCH DETECTOR, TOUCH PANEL, AND ELECTRONIC UNIT - There are provided a display panel with a touch detector that allows the touch detection electrodes to be less visible, a touch panel, and an electronic unit having the display panel with a touch detector. The display panel with a touch detector includes: a display layer including a plurality of display elements arranged side by side; and an electrode layer alternately segmented into first regions and second regions along a first direction, the electrode layer including a plurality of first slits arranged side by side to extend in a second direction, and a plurality of second slits each allowing an adjacent pair of the plurality of first slits in the second regions to be in communication with one another. | 10-25-2012 |
20130082954 | DISPLAY UNIT, DISPLAY METHOD, AND ELECTRONIC SYSTEM - A display unit includes: a display section; a memory temporarily holding less than one frame of image information; a drive section driving the display section based on the image information which is stored in the memory; and a processing section performing a predetermined process in conjunction with the drive section. | 04-04-2013 |
20130082977 | DISPLAY, TOUCH DETECTION UNIT, DRIVING METHOD, AND ELECTRONIC UNIT - A display includes: display elements; drive electrodes; touch detection electrodes each forming an electrostatic capacitance with corresponding one of the drive electrodes; and a drive section applying an AC drive signal to the drive electrodes during each of a plurality of touch detection periods, the AC drive signal involving multiple transition to generate one or more transition timing pairs. The AC drive signal includes at least a first transition timing pair and a second transition timing pair over the plurality of touch detection periods. The first transition timing pair has a first transition interval, and the second transition timing pair has a second transition interval different from the first transition interval. | 04-04-2013 |
20130093722 | DISPLAY APPARATUS, DRIVE CIRCUIT, DRIVING METHOD AND ELECTRONIC APPARATUS - A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M. | 04-18-2013 |
20130141377 | CONTACT DETECTING DEVICE AND DISPLAY DEVICE - Disclosed herein is a contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other. | 06-06-2013 |
20130141379 | CONTACT DETECTING DEVICE AND DISPLAY DEVICE - Disclosed herein is a contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other. | 06-06-2013 |
20130147746 | CONTACT DETECTING DEVICE AND DISPLAY DEVICE - Disclosed herein is a contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other. | 06-13-2013 |
20130215333 | DISPLAY APPARATUS AND DISPLAY METHOD - A display apparatus includes: a display that displays a screen corresponding to a video signal; a write unit that writes the video signal into a memory at a predetermined writing speed; and a read unit that reads the video signal which is written into the memory at a reading speed which is different from the writing speed, and that displays the read video signal on the display, wherein the memory has a capacity which is smaller than the video signal of 1 frame, includes a write address and a read address, the addressing of which is formed in a ring shape, and independently writes and reads the video signal at different speeds. | 08-22-2013 |
20130241869 | IMAGE DISPLAY DEVICE - An image display device includes: a first substrate which has a first surface and a second surface facing the first surface; a second substrate which has a first surface and a second surface facing the first surface, the first surface being arranged to face the second surface of the first substrate, and is made of a transparent material; and an image display layer which is arranged between the first substrate and the second substrate, wherein a driving electrode is provided on the first surface of the second substrate, a plurality of first detection electrodes are provided on the second surface of the second substrate, a second detection electrode is provided on the first substrate, the first detection electrodes and the driving electrode constitute a capacitance-type first touch panel unit, and the second detection electrode and the driving electrode constitute a capacitance-type second touch panel unit. | 09-19-2013 |
20140146013 | DISPLAY DEVICE WITH TOUCH SENSOR - A common electrode for a display used both in driving the display and touch detection. An existing common drive signal both as a drive signal for the touch sensor. A capacitance is formed between the common electrode and a touch sensor electrode. Touch detection is performed by utilizing a change of this capacitance caused by a finger touch of a user. The display device with a touch sensor can be used in a mobile device. | 05-29-2014 |
20140253485 | DISPLAY PANEL WITH TOUCH DETECTION FUNCTION, METHOD OF DRIVING THE SAME, DRIVE CIRCUIT, AND ELECTRONIC UNIT - There are provided a display panel with a touch detection function and a method of driving the same, a drive circuit, as well as an electronic unit, which make it possible to reduce an influence of a disturbance noise. The display panel includes: a signal generation section selecting one pulse period from a plurality of pulse periods prepared beforehand, and generating a synchronization signal including a series of pulses appearing at the selected pulse period; a display section performing display based on the synchronization signal; and a touch detection section performing touch detection operation based on the synchronization signal. | 09-11-2014 |
20140292700 | DISPLAY PANEL WITH TOUCH DETECTION FUNCTION, METHOD OF DRIVING THE SAME, DRIVING CIRCUIT, AND ELECTRONIC UNIT - There are provide a display panel with a touch detection function, in which display operation is less affected by touch detection operation, a method of driving the display panel with a touch detection function, a driving circuit, and an electronic unit having the display panel with a touch detection function. The display panel with a touch detection function includes: one or more display elements; one or more drive electrodes; one or more touch detection electrodes; and a drive section selectively applying a DC drive signal or an AC drive signal to the drive electrodes. | 10-02-2014 |
20140292718 | DISPLAY DEVICE WITH TOUCH SENSOR - A common electrode for a display, which is originally provided in a liquid crystal display element, is also used as one (drive electrode) of a pair of electrodes for a touch sensor, and the other (detection-electrode-for-the-sensor) of the pair of electrodes is newly formed. An existing common drive signal as a drive signal for display is used in common for a drive signal for the touch sensor. A capacitance is formed between the common electrode and the detection-electrode-for-the-sensor, and touch detection is performed by utilizing a change of this capacitance caused by a finger touch of a user. Thus, a display device with a touch sensor is also applicable to a mobile device in which electric potential of the user is inconstant in many cases. The newly-provided electrode is only the detection-electrode-for-the-sensor, and it is unnecessary to newly prepare a drive signal for the touch sensor. | 10-02-2014 |
20140300580 | CONTACT DETECTING DEVICE AND DISPLAY DEVICE - Disclosed herein is a contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other. | 10-09-2014 |
20140320467 | DISPLAY DEVICE - A display device includes: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit. | 10-30-2014 |
20150070314 | DISPLAY DEVICE WITH TOUCH DETECTION, DRIVE CIRCUIT, DRIVING METHOD, AND ELECTRONIC UNIT - A display device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes; and a scan driving unit performing a first scan drive and a second scan drive. The first scan drive allows a display drive signal for driving the display elements to be applied to each of the plurality of common drive electrodes, and the second scan drive allows a touch detection drive signal for detecting an external proximity object to be applied to each of the plurality of common drive electrodes. | 03-12-2015 |