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Class 345/174 - Including impedance detection


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter wherein the touch panel includes impedance
No. of patents: 656
Last issue date: 05/22/2012


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NumberTitleIssue Date
8184107Liquid crystal display and method of driving the same
A liquid crystal display includes a transparent conductive layer on an first substrate of a liquid crystal display panel transmitting display light, an insulating layer on the transparent conductive layer, a sensing circuit to generate a touch or non-touch sensing s...
05/22/2012
8184106Position detection device
A position detection device including a substrate; a first ohmic resistor applied to the substrate and extending along an active surface of the position detector, whereby the first ohmic resistor is connected between a first terminal and a second terminal of the pos...
05/22/2012
8179379Flat display device unified with touch panel
A flat display device unified with a touch panel which is adaptive to improve its reliability is disclosed. The flat display device unified with touch panel includes: a liquid crystal display panel having a color filter substrate and a thin film transistor substrate...
05/15/2012
8179380Method and apparatus for implementing a capacitive touch slider
A capacitive touch slider array comprises a first conductive trace associated with a first sensing node. The first conductive trace includes a first conductive line and a plurality of first conductive fingers extending from the first conductive line. The plurality o...
05/15/2012
8179381Touch screen sensor
A touch screen sensor includes a visible light transparent substrate and an electrically conductive micropattern disposed on or in the visible light transparent substrate. The micropattern includes a first region micropattern within a touch sensing area and a second...
05/15/2012
8174509Multi-touch positioning method for capacitive touch panel
A multi-touch positioning method for a capacitive touch panel includes following steps. A candidate touching position array including a first and a second candidate position groups is generated when the capacitive touch panel is touched by two objects. The first and...
05/08/2012
8174508Pointing and data entry input device
An input device includes an array of adjacent capacitive sensors arranged into rows and columns. Each capacitive sensor exhibits a capacitance characteristic when in proximity to a conductive element. A plurality of mechanical hysteresis mechanisms are each deposite...
05/08/2012
8174510Capacitive touch screen
One embodiment in accordance with the invention can include a capacitive touch screen. The capacitive touch screen includes a substantially transparent substrate and a plurality of electrodes formed on the substantially transparent substrate. The plurality of electr...
05/08/2012
8169418Displays for electronic devices that detect and respond to the size and/or angular orientation of user input objects
An electronic device includes a touch-sensitive display screen including an array of electromagnetic radiation detectors. The array of electromagnetic radiation detectors is configured to generate an image signal that represents an image of a user input object that ...
05/01/2012
8169417Signal transfer assembly of touch panel
A signal transfer assembly of a touch panel has a conductive film arranged on a surface of a substrate; an edge of the conductive film being connected to a silver conductive circuit; signals triggered on the conductive film being transferred to the silver conductive...
05/01/2012
8169419Power efficient capacitive detection
Capacitive detection systems, modules, and methods. In one embodiment, a power saving mode is implemented when deemed appropriate, based on an analysis of previous detection or non-detection of the presence and/or position of an object near a capacitive sensing area...
05/01/2012
8164579Sensing structure and displayer comprising the same
A sensing structure and a displayer comprising the same are provided. The displayer further comprises a substrate and a panel disposed opposite to the substrate. The sensing structure comprises a plurality of sensing elements, a conductive assembly, and a process mo...
04/24/2012
8159471Coordinate input device and display device
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 t...
04/17/2012
8159473Method for detecting touch point and touch panel using the same
The present invention relates to a method for detecting touch points and a touch panel using the same. The method includes the steps of: providing a resistive pressure-sensing matrix includes M X-axis sensing lines and N Y-axis sensing lines, wherein the ith
04/17/2012
8159472Touch screen with selective touch sources
A data processor for an occupant identification system. ...
04/17/2012
8149226Operational direction detecting device
An operational direction detecting device includes a device body that includes an operational area operable in two or more directions, two or more detection electrode/drive electrode pairs that are formed at direction detecting positions of the operational area and ...
04/03/2012
8144129Flexible touch sensing circuits
One or more multi-touch skins can placed along three dimensions of an object. The one or more multi-touch skins enable multi-touch inputs during the operation of the object. The multi-touch inputs can be tracked to monitor the operation of the object and provide fee...
03/27/2012
8144130Secured touch screen
A secure touch screen device comprises a resistive touch screen having a plurality of touch positions, having a first pair of first and second terminals at opposite ends of a first axis of the touch screen, and a second pair of first and second terminals at opposite...
03/27/2012
8144131Display device with touch panel
Provided is a display device with a touch panel having the cost thereof reduced without a decrease in the transmittance ratio of light. A substrate has a planar transparent conductive film formed on an observer side thereof. The transparent conductive film is used a...
03/27/2012
8144133Display device with touch panel and fabricating method thereof
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 disp...
03/27/2012
8144132Multipoint sensing method for capacitive touch panel
A multi-point sensing method used in a capacitive touch panel is disclosed to detect the voltage variation of every electrode patterned on two parallel electrode layers by means of a capacitive sensing circuit, and measure the vertical capacitance at the intersectio...
03/27/2012
8134541Capacitive touch panel
A capacitive touch panel with particular conductive pattern design reduces the mutual interference between the upper and lower electrode and perform three-dimensional capacitance detection and double-faced detection, and may be applied in large dimension touch panel...
03/13/2012
8134540Touch panel and liquid crystal display panel
A touch panel having a color-filtering function is provided. The touch panel includes a first electrode layer, a second electrode layer, a first dielectric layer and a second dielectric layer. The second electrode layer is disposed above the first electrode layer. T...
03/13/2012
8130209Liquid crystal display panel and method for manufacturing the same
A liquid crystal display (“LCD”) panel includes a touch spacer formed in a first substrate, a common electrode formed to cover the touch spacer, a first touch conductive line formed in a first direction in a second substrate opposite to the first substrate, a se...
03/06/2012
8125467Touch sensor with sliding structure
A touch sensor with a sliding structure is disclosed. The touch sensor includes a first touch detecting plate, a second touch detecting plate, and a capacitance-to-digital converter. The first touch detecting plate includes a first tilt portion, and the second touch...
02/28/2012
8125465Image displaying systems
An image displaying system is provided, in which a touch panel comprises a transparent substrate with a first surface and a second surface opposite to the first surface, a black matrix, a protection layer, at least one first transparent electrode, a planarization la...
02/28/2012
8125466Screen with capacitive touch zones
Capacitive touch screen including first and second substrates (2, 4) that extend parallel to and at a distance from each other, said first and second substrates (2, 4) being made of a transparent, dielectric material, a first series of electrodes (6...
02/28/2012
8120594Three-dimensional contact-sensitive feature for electronic devices
An electronic device is formed at least partially from a deflectable material that generates an electrical signal in response to contact. The first material is integrated with a display module to provide a shaped feature on the exterior surface of the display module...
02/21/2012
8120593Method of positioning coordinate
A method of positioning a coordinate suitable for a touch panel includes following steps. When a touch event occurs, the touch panel generates a corresponding detection coordinate periodically until the touch event ends. When the touch event occurs, the detection co...
02/21/2012
8120592Touch sensing substrate and touch sensing liquid crystal display
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, ...
02/21/2012
8115751Capacitive touch sensing assembly
A capacitive touch sensing assembly is a plate body assembled by a first and second substrate glued by a gluing layer. The first and second substrates are insulated transparent thin plates, and the gluing layer is an insulated transparent adhesive. On an upper surfa...
02/14/2012
8115750Base capacitance compensation for a touchpad sensor
For a compensation to the sensed capacitive values of a touchpad sensor, the variance profile of the base capacitance or the sensed capacitive values of the traces in the touchpad sensor is determined, and then a firmware operation based on the variance profile is c...
02/14/2012
8111248Liquid crystal display device and method of manufacturing thereof
A liquid crystal display device includes: a liquid crystal panel including first and second substrates facing each other and a liquid crystal layer between the first and second substrates, each of the first and second substrates defining a central display region and...
02/07/2012
8106892Touch screen driver for resolving plural contemporaneous touches and methods for use therewith
A touch screen driver that can be used with a resistive touch screen includes an input/output module that supplies at least one input signal to at least one of a plurality of input/output ports of the touch screen and that generates at least one output signal, in re...
01/31/2012
8098240Capacitive touchpad and toy incorporating the same
Capacitive touchpad assemblies, toys including capacitive touchpad assemblies and integral card readers, and methods for detecting contact with a capacitive touch surface are provided. A capacitive touch surface may have a capacity that varies depending on whether i...
01/17/2012
8094135Touch screen measurement circuit and method
A touch screen digitizing system comprising a touch screen unit and an analog to digital converter. The touch screen unit includes a first resistive sheet with opposing first and second terminals and a second resistive sheet with opposing third and fourth terminals....
01/10/2012
8089475Display device, sensor panel, position-detecting device, position-inputting device, and computer system
A display device is provided. The display device includes a display screen having a light-transmissible display conductor extending in a predetermined plane, and at least one detection conductor extending along the predetermined plane, the at least one detection con...
01/03/2012
8089474Location sensing system and method employing adaptive drive signal adjustment
Systems and methods provide for adaptive drive signal adjustment to improve reception of a stylus signal at a location sensor. A location sensing system includes an untethered stylus comprising circuitry configured to receive a drive signal and transmit a stylus sig...
01/03/2012
8085252Method and apparatus to determine direction of motion in a sensor array of a touch sensing device
Direction of motion in a sensor array of a touch sensing device may be determined using a rule-based algorithm. A presence of a conductive object on a sensing device may be detected. First, second, and third locations of the detected presence of the conductive objec...
12/27/2011
8077161Screen-input image display device
The screen-input image display device has a touch panel for outputting touched locations of a finger or the like in contact with a display panel screen; and a sensing circuit for sensing coordinates of the touched locations based on the output of the touch panel. Th...
12/13/2011
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