| Date/App# |
 List of recent Touch Sensing-related patents |
07/24/14
20140204291 |   Touch sensing film structure
A touch sensing film structure including a touch-sensitive device layer, a water/oxygen barrier layer and a flexible substrate is provided. The touch-sensitive device layer has a first surface and a second surface opposite to the first surface. |
07/24/14
20140204053 |  Concurrent driving capacitive touch sensing device and transmission system
There is provided a concurrent driving capacitive touch sensing device including a drive end, a capacitive sensing matrix and a detection end. The drive end simultaneously inputs encoded and modulated drive signals into a plurality of channels of the capacitive sensing matrix within each drive time slot of a frame. |
07/24/14
20140204050 |  Touch sensing structure
A touch sensing structure is provided. The touch sensing structure includes a substrate, a plurality of first conductive traces and a second conductive trace. |
07/24/14
20140204049 |  Display apparatus with touch sensing function
The invention provides a display apparatus including a display panel, a display driving circuit and a touch sensing circuit. The display panel has a plurality of pixels arranged in an array, in which each of the pixels includes a liquid crystal capacitor. |
07/24/14
20140204046 |  Capacitive touch sensing device and detection method thereof
There is provided a capacitive touch sensing device including a sensing element, a drive unit, a detection circuit and a processing unit. The sensing element has a first electrode and a second electrode configured to form a coupling capacitance therebetween. |
07/24/14
20140204043 |  Touch panel
A touch panel including a substrate, a decoration layer, and conductive elements is provided. The decoration layer has an outer margin adjacent to an edge of the substrate and an inner margin opposite to the outer region. |
07/24/14
20140204041 |  Semiconductor device
A semiconductor device connected to the display panel including the in-cell type touch sensor is configured as follows. The semiconductor device includes a driving circuit of the display panel, a touch sensing circuit of the touch sensor, a power supply circuit that supplies a power source to these circuits, and a bias control circuit that controls a bias current flowing through these circuits. |
|
|
07/24/14
20140204034 |  Touch sensing and feedback apparatuses and methods
A touch sensing and feedback apparatus comprises a feedback electrode, a reference electrode electrically insulated from the feedback electrode, a signal generator to generate a sensing driving signal and transmit the sensing driving signal to a sensing electrode, and a signal detector coupled to a detecting electrode to detect the sensing driving signal and generate a touch action signal based on the detected sensing driving signal. The signal generator generates a feedback driving signal and transmits the feedback driving signal to the feedback electrode based on the touch action signal, and generates a reference driving signal and transmits the reference driving signal to the reference electrode based on the touch action signal. |
07/10/14
20140192023 |  Proximity and touch sensing surface for integration with a display
A system and method for hover detection and touch detection in a display. In one embodiment, a first set of infrared (ir) emitters illuminates the interior of a transparent layer and the ir light is confined to the interior of the layer by total internal reflection, unless an object, such as a finger, touches the surface of the layer. |
07/10/14
20140192006 |  Touch sensor integrated with a light guide
Various approaches discussed herein provide a display screen that integrates both capacitive touch sensing and a light guide onto a single optically clear substrate. The substrate can be integrated into a portable device, such as an electronic reader (e-reader) device having a reflective display in order to both illuminate content displayed on the e-reader device and to provide touch sensing input to the device. |
07/03/14
20140184942 | Display having touch sensing function
A panel for a display device is provided. The panel includes a first substrate, a touch sensing circuit formed on the first substrate, the touch sensing circuit including at least one sensing thin film transistor and a connection wire, and a shielding electrode formed covering at least a portion of the sensing thin film transistor and the connection wire.. |
07/03/14
20140184563 | Touch sensing circuit, apparatus, and system and operating method thereof
A touch sensing circuit is provided. The circuit is configured to connect to a conducting wire in a touch area for measuring a signal variation. |
07/03/14
20140184562 | Capacitive touch apparatus and touch sensing method thereof
A capacitive touch apparatus is provided, and which includes a capacitive touch display panel, at least a touch sensing circuit and a judgment unit. The capacitive touch display panel has at least an inductive capacitor. |
07/03/14
20140184561 | Touch sensor ic, touch sensing apparatus, and coordinate correcting method of the touch sensing apparatus
A touch sensing apparatus may include a sensing area including a plurality of sensing nodes; and a touch sensor integrated chip (ic) configured to acquire a sensing signal and an individual coordinate for each sensing node in response to a touch input occurring on the sensing area. The touch sensor ic may calculate a corrected coordinate corresponding to the touch input based on the sensing signal.. |
07/03/14
20140184557 | Touch sensing apparatus
There is provided a touch sensing apparatus including: a panel unit including a plurality of driving electrodes and a plurality of sensing electrodes; a driving circuit unit applying one of a driving signal and a scanning signal having a frequency different from that of the driving signal, to each of the plurality of driving electrodes; a sensing circuit unit measuring a change in capacitance of a plurality of node capacitors generated in intersections of the plurality of driving electrodes and the plurality of sensing electrodes; and a calculation unit determining a touch based on a change in the capacitance, wherein when the scanning signal is applied to the plurality of driving electrodes, the calculation unit calculates capacitance deviations in the plurality of node capacitors from the deviations of changes in the capacitance generated by the plurality of node capacitors.. . |
07/03/14
20140184556 | Touch sensing apparatus and touch sensing method
There are provided a touch sensing apparatus and a touch sensing method. The touch sensing apparatus includes: a panel unit including a plurality of driving electrodes and a plurality of sensing electrodes; a driving circuit unit applying driving signals to the plurality of driving electrodes, respectively; a sensing circuit unit measuring a change in capacitance of node capacitors generated in intersections of the plurality of the driving electrodes and the plurality of sensing electrodes; a signal conversion unit generating a first digital signal based on the change in capacitance; and a calculation unit determining a touch according to the first digital signal, wherein the driving circuit unit and the sensing circuit unit are operated by an input voltage, and the signal conversion unit and the calculation unit are operated by a low voltage drop out (ldo) voltage generated by decreasing the input voltage.. |
07/03/14
20140184313 | Touch sensing device and a programmable controller thereof
A programmable controller used in a touch sensing device comprises a plurality of general pins, a control circuit, and a plurality of switching units. The control circuit records corresponding relationship between a plurality of general pins and a plurality of sensing lines and driving lines of the touch panel. |
07/03/14
20140183478 | Flexible organic light-emitting display device and method for manufacturing the same
A flexible organic light-emitting display device and a method of manufacturing the flexible organic light-emitting display device are provided. The flexible organic light-emitting display device comprises a lower flexible substrate assembly and an upper flexible substrate assembly that are bonded by a bonding layer. |
06/26/14
20140176495 | Active stylus for touch sensing applications
Embodiments relate generally to control devices, such as human interface devices, configured for use with a touch-screen containing device. More specifically, the present invention relates to methods and various apparatus that are used to actively control the interaction of a handheld device, such as a stylus pen, with a touch-screen containing device. |
06/26/14
20140176493 | Method of sensing a touch and touch sensing system
A method of sensing a touch is provided, the method including: generating, at a pressure detector, a first sensing signal by detecting a pressure of a touch input by a user; generating, at a position detector, a second sensing signal by detecting a position of the touch input by the user; and removing a noise of the second sensing signal based on the first sensing signal.. . |
06/26/14
20140176489 | Touch sensing apparatus and method
A touch sensing apparatus and method for correctly sensing a touch signal by removing an offset per touch node via differential sensing are discussed. The touch sensing method includes sensing a first sensing value including an offset component per touch node using a read out signal of a touch sensor, the touch sensor not being supplied with a driving pulse, in a first sensing period; sensing a second sensing value including the offset component of the touch node and a mutual capacitive component based on whether a touch is performed, using a read out signal of the touch sensor, the touch sensor being supplied with a driving pulse, in a second sensing period; and acquiring touch data from which the offset component is removed via a differential operation of the second sensing value and the first sensing value.. |
06/26/14
20140176488 | Touch sensing device
A touch sensing device includes a display panel including a touch screen on which a plurality of touch sensors are formed, a touch sensing circuit including at least one sensing unit which receives self capacitance signals of a first touch sensor and a second touch sensor adjacent to the first touch sensor at differential input method and detects changes in capacitances of the first and second touch sensors, and a touch controller which analyzes touch raw data received from the touch sensing circuit and calculates coordinates of a touch input position. The sensing unit generates delays corresponding to a difference between the capacitances of the first and second touch sensors, accumulates the number of delays, converts an accumulated value of the delays into digital data, and generates the touch raw data.. |
06/26/14
20140176484 | Capacitive touch display apparatus
A capacitive touch display apparatus includes a liquid crystal (lc) display module, a touch panel and a judgment unit. The lc display module includes an active device array substrate, a color filter (cf) substrate, and an lc layer disposed between inner sides of the two substrates. |
06/26/14
20140176482 | Capacitive touch sensing system with interference rejection
An interference tolerant capacitive touch sensor readout circuit having improved power and area efficiency is disclosed. Interference rejection for the capacitive touch sensing system is realized by transferring charge between a capacitive touch sensor and the readout circuit at frequencies outside bands where a level of interference is unacceptable. |
06/26/14
20140176453 | Touch panel and a manufacturing method thereof
The present disclosure provides a method for manufacturing a touch panel, wherein the method comprises: forming a touch sensing layer on a visible region and a non-visible region of a cover substrate, wherein the non-visible region is located at periphery of the visible region forming a first opaque insulating layer on the touch sensing layer in the non-visible region; forming a wiring layer on the first opaque insulating layer: and forming a conductive layer to electrically connect the wiring layer and the touch sensing layer. Moreover, the present disclosure also provides a touch panel. |
06/19/14
20140168529 | Touch display device
A touch display device includes a touch sensing unit, a first conductive adhesive layer, a second conductive adhesive layer, a flexible printed circuit board, a liquid crystal display unit, a first adhesion layer and a second adhesion layer. The first adhesion layer serves to adhere the touch sensing unit to the liquid crystal display unit. |
06/19/14
20140168171 | Touch sensing device and touch sensing method
There are provided a touch sensing device and a touch sensing method, the touch sensing device including a sensing circuit unit detecting a plurality of changes in capacitance generated in a panel unit, a signal converting unit generating a plurality of pieces of sensing data for determining a touch input from the plurality of changes in capacitance detected by the sensing circuit unit, and an operating unit determining the touch input based on the plurality of pieces of sensing data, wherein the operating unit corrects a coordinate of the touch input by applying a predetermined correction value when it is determined that the coordinate of the touch input is included in an edge region of the panel unit, and sets different correction values according to a touch area of the touch input included in the edge region.. . |
06/19/14
20140168163 | Optical touch sensing structure
An optical touch sensing structure includes a transparent substrate, a transparent adhesive layer and a plurality of transparent optical spheres. The transparent substrate has a top surface, and the transparent adhesive layer is disposed on the top surface of the transparent substrate. |
06/19/14
20140168158 | Touch panel structure of narrow border
A touch panel structure of narrow border includes a panel having an inner surface, a first sensing electrode layer and a second sensing electrode layer formed on the inner surface. The first sensing electrode layer includes plural first conductor line units and plural connection lines arranged in a first direction for detecting whether there is an external object approached according to a touch driving signal. |
06/19/14
20140168154 | Capacitive in-cell touch panel and display device
In a capacitive in-cell touch panel and a display device, a common electrode layer electrically connected over the entire surface in a tft array substrate is partitioned into touch sensing electrodes and touch driving electrodes that are driven in a time-division manner to realize touch function and display function.. . |
06/19/14
20140168153 | Touch screen systems and methods based on touch location and touch force
Touch screen systems and methods based on touch location and touching force are disclosed. The touch screen system includes an optical force-sensing system interfaced with a capacitive touch sensing system so that both touch location and touch force information can be obtained. |
06/19/14
20140168147 | Capacitive touch module and touch display apparatus
The invention discloses a capacitive touch module and a touch display apparatus, where a first touch sensing electrode, a second touch sensing electrode connected to one touch sensing line are respectively disposed in two adjacent touch units, and a first touch driving electrode and a second touch driving electrode connected to one touch driving line are respectively disposed in two adjacent touch units, so that the touch sensing signal can respond to the change of the sensing capacitances in the two adjacent touch units, so as to reduce the high-frequency false signal possibility from the touch units, thereby lower the possibilities of an improper trigger and a mis-operation due to a jump and a sudden change at a touch point, thus making a touch event more smooth and fluid.. . |
06/19/14
20140168143 | Simultaneous sensing arrangement
Multi-touch touch-sensing devices and methods are described herein. The touch sensing devices can include multiple sense points, each located at a crossing of a drive line and a sense line. |
06/19/14
20140168137 | Display device and touch sensing method thereof
Disclosed is a display device. The display device includes a timing controller temporally dividing one frame period and driving a display panel such that a display mode for displaying an image in the display panel and a touch mode for sensing a user's touch are alternately driven, and a touch sensing unit setting a plurality of compensation areas including at least one or more touch sensing blocks, and differentially applying dtx compensation values by compensation area to sense the user's touch in the touch mode. |
06/19/14
20140168118 | Touch display device and control method thereof
A touch display device includes a touch screen, a plurality of physical keys surrounding the touch screen, a touch sensor, and a touch control system. The touch screen senses a touch operation and displays a graphical user interface (gui). |
06/19/14
20140168112 | Touch sensing method and touch sensing apparatus
Determining whether a touch has been applied to the touch key; and when it is determined that a touch has been applied to the touch key, whether to apply one or more noise canceling algorithms is determined based on the sensed data obtained from the touchscreen.. . |
06/19/14
20140168099 | Touch panel and a manufacturing method thereof
A touch panel and a method of manufacturing the same are provided. The touch panel comprises: a cover substrate comprising a visible area and a non-visible area, wherein the non-visible area is located in a peripheral area of the visible area; an electrode layer formed on the visible area and the non-visible area of the cover substrate; a conductive masking layer formed on the non-visible area and disposed on a part of the electrode layer that is located on the non-visible area; and a plurality of connecting wires formed on the conductive masking layer and electrically connected to the electrode layer through uniaxial conduction of the conductive masking layer. |
06/19/14
20140167245 | Semiconductor package and display apparatus using the same
A semiconductor package includes a flexible base film having a first surface opposing a second surface, a semiconductor chip mounted on the first surface of the base film, and a touch sensing structure including at least one conductive pattern adjacent to the semiconductor chip. The at least one conductive pattern is disposed through the base film and has a surface exposed at the second surface of the base film. |
06/12/14
20140160086 | Display device and touch sensing method thereof
Disclosed is a display device. The display device includes a timing controller temporally dividing one frame period and driving a display panel such that a display mode for displaying an image in the display panel and a touch mode for sensing a user's touch are alternately driven, and a touch sensing unit detecting the user's touch with a touch raw data difference between adjacent touch sensing blocks in the touch mode. |
06/12/14
20140160062 | Display device and touch sensing method thereof
Disclosed is a display device. The display device includes a timing controller and a touch sensing unit. |
06/12/14
20140160061 | Display device and touch sensing method thereof
Discussed is a display device. The display device includes a display panel including a plurality of gate lines and a plurality of data lines, a timing controller temporally dividing one frame period and driving the display panel such that a display mode for displaying an image in the display panel and a touch mode for sensing the user touch are alternately driven, a gate driver, and a data driver. |
06/12/14
20140160057 | Touch sensing method and touch sensing apparatus
There is provided a touch sensing method including: classifying sensed pieces of data obtained from a panel unit as a plurality of groups according to a predetermined reference; selecting a portion of groups in which variations of the sensed pieces of data included in each of the plurality of groups are lower than a first threshold value; calculating representative values with respect to each of portion of the groups; and determining a noise canceling method by comparing the variations of representative values with a second threshold value.. . |
06/12/14
20140160043 | Method of compensating for edge coordinates of touch sensing system
A method of compensating for coordinates of an edge portion of a touch sensing system is disclosed. The method includes calculating coordinates of a touch point, suitably converting the coordinates of the touch point based on a resolution of a display panel, deciding whether or not current coordinates of the touch point are present in a bezel area outside an active area of the display panel, in which an image is displayed, and when the current coordinates of the touch point are present in the bezel area, modifying the current coordinates of the touch point into edge coordinates of the active area contacting the bezel area.. |
06/12/14
20140160038 | Touch sensing method and touch sensing apparatus
There are provided a touch sensing method and a touch sensing apparatus. The touch sensing method includes calibrating an offset value; obtaining sensed data from a panel unit, performing a difference operation on the sensed data and the offset value to calculate valid data, when the valid data is higher than a first threshold value, calculating a correlation value between the valid data and reference data, and comparing the correlation value with a second threshold value to determine whether to update the offset value and whether to filter the valid data.. |
06/05/14
20140152920 | Single-layer projected capacitive touch panel and method of manufacturing the same
A single-layer projected capacitive touch panel has a glass cover, a touch sensing circuit layer, an insulating ink layer, a conductive wire layer, an insulator layer, a conductive glue layer and a flexible printed circuit (fpc) board. The touch sensing circuit layer, the insulating ink layer, the conductive wire layer, the insulator layer and the conductive glue layer are mounted on a circuit surface of the glass cover in sequence. |
06/05/14
20140152619 | Touch screen liquid crystal display
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. |
06/05/14
20140152609 | Touch sensing device and touch sensing method
There are provided a touch sensing device and a touch sensing method. The touch sensing device includes a plurality of first electrodes extending in a first axis direction, a plurality of second electrodes extending in a second axis direction intersecting the first axis, and a control unit detecting a plurality of changes in capacitance generated between the plurality of first electrodes and the plurality of second electrodes and thus determining a touch, wherein the control unit determines the touch based on at least one of a plurality of first error information signals corresponding to the plurality of respective first electrodes and a plurality of second error information corresponding to the plurality of respective second electrodes.. |
06/05/14
20140151212 | Keyboard
A keyboard includes a non-conductive board, a plurality of keyswitches, and a capacitive touch sensing sheet. The plurality of keyswitches is disposed on the non-conductive board. |
05/29/14
20140146248 | Display module and electronic terminal
The present invention provides a display module (100; 200) and an electronic terminal. The display module (100; 200) comprises: a first display unit (130; 240) configured to display first image information in a first direction; a second display unit (140; 250) configured to display second image information in a second direction; and a sensor unit (150; 260) provided between the first display unit (130; 240) and the second display unit (140; 250) and configured to sense an object's approach or touch on the first display unit (130; 240) and/or the second display unit (140; 250). |
05/29/14
20140146000 | Touch sensing device and touchscreen device
There are provided a touch sensing device and a touchscreen device, the touch sensing device including a driving circuit unit sequentially applying a driving signal to a plurality of respective driving electrodes, a sensing circuit unit connected to a plurality of sensing electrodes and measuring changes in capacitance in node capacitors formed by the plurality of driving electrodes and the plurality of sensing electrodes, and a noise removing unit providing a preset reference voltage to a driving electrode to which the driving signal is not applied, among the plurality of driving electrodes.. . |
05/29/14
20140145994 | Multi touch with multi haptics
Methods and systems for processing touch inputs are disclosed. The invention in one respect includes reading data from a multi-touch sensing device such as a multi-touch touch screen where the data pertains to touch input with respect to the multi-touch sensing device, and identifying at least one multi-touch gesture based on the data from the multi-touch sensing device and providing an appropriate multi-haptic response.. |
05/29/14
20140145983 | Touch sensing system and operation method thereof
A touch sensing system includes a touch panel, a driving apparatus and a processing circuit. The touch panel includes a plurality of touch sensing units arranged in form of a matrix. |
05/29/14
20140145982 | Touch panel and a control method thereof
A touch panel control method applied to a touch panel including at least one antenna and a touch sensing structure having a plurality of touch sensing elements is provided. In the touch panel control method, a scan signal is transmitted to at least one of the plurality of touch sensing elements, and a sensing signal sensed by at least one of the plurality of touch sensing elements is received. |
05/29/14
20140145979 | Organic light emitting display apparatus and method of manufacturing the same
An organic light emitting display apparatus including a thin film encapsulation layer having a touch screen structure. The organic light emitting display apparatus includes a substrate; an organic light emitting diode (oled) layer on the substrate; a thin film encapsulation layer on the oled layer, and comprising a plurality of inorganic layers and a plurality of organic layers that are alternately stacked; and a touch sensing layer in the thin film encapsulation layer, wherein the touch sensing layer includes: a first touch conductive layer; a touch inorganic layer on the first touch conductive layer; and a second touch conductive layer on the touch inorganic layer, wherein the touch inorganic layer is one of the plurality of inorganic layers included in the thin film encapsulation layer.. |
05/29/14
20140145977 | Flexible touch screen panel and method of manufacturing the same
There is provided a flexible touch screen panel capable of being bent or folded. The flexible touch screen panel includes a film substrate and sensing electrodes formed in an active area of at least one surface of the film substrate. |
05/22/14
20140139758 | Touch panel and touch display module thereof
A touch panel including a transparent cover plate, a decorative layer, and a touch layer structure is provided. The transparent cover plate has a viewing area and at least one side bending portion. |
05/22/14
20140139480 | Touch sensing system and method for driving the same
A touch sensing system and a method for driving the same are disclosed. The touch sensing system includes a touch screen including touch sensors and a touch sensing circuit applying a driving signal to the touch sensors. |
05/22/14
20140139478 | Touch sensing method and touch sensing device
There are provided a touch sensing method and a touch sensing device. The touch sensing method includes: obtaining sensed data from a panel unit; calculating valid data by removing an offset value from the sensed data; calculating reference data by comparing the offset value with a backup offset value when the valid data is higher than a first reference value; and determining a touch based on the reference data and the valid data.. |
05/22/14
20140139457 | Integrated display and touch screen
Liquid crystal display (lcd) touch screens integrate touch sensing elements with display circuitry and may include in-plane-switching (ips) lcds. A method of operating the integrated touch sensing elements with the display circuitry includes dividing touch-sensing circuitry of the touch screen into a plurality of drive segments, each drive segment overlapping one or more display rows; updating the display at a predetermined refresh rate; stimulating the plurality of drive segments at a predetermined scan rate; and changing the sequence of stimulating the plurality of drive segments as required to prevent simultaneously stimulating a drive segment that overlaps a display row currently being updated.. |
05/22/14
20140139445 | Touch sensing device and a method of fabricating the same
The present disclosure provides a touch sensing device and a method for fabricating the same. The touch sensing device comprises a touch panel and a flexible printed circuit board, wherein the touch panel comprises a first bonding mark and the flexible printed circuit board has a bonding surface bonded to the touch panel and has a non-bonding surface. |
05/22/14
20140139443 | Touch sensing method and portable electronic apparatus
A touch sensing method and a portable electronic apparatus are disclosed in this invention. The portable electronic apparatus includes a display module, a touch module and a processing unit. |
05/22/14
20140139242 | Touch sensing circuit and method
A touch sensing circuit is provided. The touch sensing circuit includes: a touch capacitor, for being touched; a touch capacitor frequency detection unit, coupled to the touch capacitor, for detecting an output frequency from the touch capacitor; a reference frequency generation unit, for generating a reference frequency; a calculation unit, coupled to the touch capacitor frequency detection unit and the reference frequency generation unit, for calculating the variation of the difference between the output frequency from the touch capacitor and the reference frequency; and a determination unit, coupled to the calculation unit, for determining whether the touch capacitor is being touched based on whether the variation of the difference is greater than a criterion value.. |
05/15/14
20140132559 | Display device and driving method thereof
Discussed is a display device. The display device includes a panel in which a self-capacitive touch panel including a plurality of touch electrodes is built, and a touch sensing unit configured to, during a touch sensing period in one frame period, supply a current to the touch electrodes, hold touch voltages of the respective touch electrodes when an average voltage of the touch electrodes reaches a predetermined reference voltage, and compare each of the touch voltages with a slope voltage to determine whether each of the touch electrodes is touched while the touch voltages are being held.. |
05/15/14
20140132558 | Touch sensing system and method of controlling power consumption thereof
A touch sensing system and a method of controlling power consumption thereof are disclosed. The touch sensing system includes a plurality of sensing units, which sample a voltage received from a touch screen and accumulate the sampled voltage, and a plurality of analog-to-digital converters converting an output of the sensing units into digital data. |
05/15/14
20140132556 | Noise reduction method and system of capacitive multi-touch panel
A noise reduction system includes a driving device, a sensing device, a first switch, a second switch, and a controller. The driving device has a plurality of drivers for generating touch driving signals. |
05/15/14
20140132539 | Touch display device and operation method of touch display device
A touch display device including a light providing unit and a touch panel is provided. The touch panel includes a cover plate, a touch sensing element, and a decoration layer. |
05/15/14
20140132523 | Touch sensing based on signal reflections
In one embodiment, a method performed by executing logic embodied by one or more computer-readable non-transitory storage media includes sending a first signal on a first line of a touch sensor. The first line includes a first plurality of electrodes. |
05/15/14
20140132336 | Touch sensing circuit and touch sensing method
The present invention discloses a touch-sensing method, applied to a touch-sensing circuit, wherein the touch-sensing circuit includes a detection circuit and a comparison circuit. The touch-sensing method includes: enabling a receiving node to be coupled to a ground during a first discharge period, wherein the receiving node is coupled between the detection circuit and the comparison circuit; enabling the receiving node to obtain a first reference voltage during a first charge period; enabling the receiving node to be coupled to the ground during a second discharge period; and enabling the receiving node to obtain a second reference voltage and producing a sensing result according to the first reference voltage and the second reference voltage by the comparison circuit during a second charge period, wherein the sensing result represents whether a touch event occurs at a first node of the touch-sensing circuit.. |
05/08/14
20140125633 | Touch sensing apparatus and method of operating the same
A touch sensing apparatus includes a group of emitters arranged to emit light to illuminate at least part of the touch surface, a light detector arranged to receive light from the group of emitters, and a processing element. Each emitter is controlled to transmit a code by way of the emitted light such that the code identifies the respective emitter. |
05/08/14
20140125626 | Capacitive in-cell touch screen, driving method for the same, and display apparatus
The embodiments of the disclosure provides a capacitive in-cell touch panel, a driving method thereof and a display apparatus, wherein touch sensing electrodes are set on a color filter substrate, a common electrode layer connected as a whole plane on a tft array substrate is divided into strips to be used as touch driving electrodes; touch driving signal lines are set in a display area of the touch panel by adopting a dual gate structure, which is helpful for a narrow frame design of the touch panel; each of the touch driving electrodes is electrically connected to at least one touch driving signal line and is supplied with a driving signal by a plurality of touch driving signal lines simultaneously, such that transmission efficiency of the driving signal can be improved to the maximum extent and delay of the driving signal can be reduced.. . |
05/08/14
20140125610 | Touch screen panel
A touch screen panel includes a window, a light source portion, a touch key circuit board and a touch sensing portion. The window has a touch key area on which a touch key icon is displayed, and has a recessed portion formed adjacent to the touch key area in a first surface thereof. |