Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

31results about How to "Reduce mutual capacitance" patented technology

Capacitance type embedded touch screen and display device

The invention discloses a capacitance type embedded touch screen and a display device. A public electrode layer connected in a manner of a whole surface in a TFT (Thin Film Transistor) array substrate is divided to form mutually insulated and crossly arranged touch driving electrodes and public electrodes; a touch sensing electrode is arranged on a colorful film substrate; and time-sharing driving is performed on the touch driving electrodes to realize a touch function and a display function. As the projection of the touch sensing electrode on the TFT array substrate is located in an area where the public electrodes are of the touch screen provided by the embodiment of the invention, and the public electrodes and the touch driving electrodes are located at the same layer but insulated mutually, an enfilade area generated between the touch sensing electrode and the touch driving electrodes is avoided, a mutual capacitance formed by the enfilade area is reduced, a proportion of a mutual capacitance variation quantity caused by touch of a finger is added, and touch accuracy is improved. In addition, as the time-sharing driving touch and display functions are adopted, mutual interference is also reduced, and picture quality is increased.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Embedded touch screen and display device

InactiveCN103049155AProjection overlapping area is smallSmall positive electric fieldNon-linear opticsInput/output processes for data processingTouch SensesDisplay device
The invention discloses an embedded touch screen and a display device and aims at reducing mutual capacitance of a vertical overlapped surface of touch sensing electrodes and touch driving electrodes which are both arranged in the embedded touch screen and improving the touch control effect of the embedded touch screen. The embedded touch screen comprises a plurality of touch sensing electrodes arranged in a first direction and a plurality of touch driving electrodes arranged in a second direction perpendicular to the first direction. Each touch sensing electrode comprises a plurality of touch sensing sub electrodes which are electrically connected, and projections of the touch sensing sub electrodes in the vertical direction and projections of the touch driving electrodes in the vertical direction have no overlapped areas; and / or each touch driving electrode comprises a plurality of touch driving sub electrodes which are electrically connected, and projections of the touch driving sub electrodes in the vertical direction and projections of the touch sensing electrodes in the vertical direction have no overlapped areas.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Touch sensor integrated type display device

A touch sensor integrated type display device includes gate lines and data lines; a plurality of pixel electrodes respectively formed in pixel areas defined by crossings of the gate and data lines; a first electrode formed between first pixel electrodes and in parallel with a first gate line of the gate lines, the first pixel electrodes being adjacent to each other with the first gate line interposed therebetween; second electrodes formed between second pixel electrodes and arranged in a line in parallel with a second gate line adjacent to the first gate line, the second pixel electrodes being adjacent to each other with the second gate line interposed therebetween; and third electrodes, each of which is formed in parallel with the data lines and contacts the second electrodes, at least a portion of each of the third electrodes overlapping the first and second pixel electrodes.
Owner:LG DISPLAY CO LTD

Touch sensor, embedded touch LCD panel and LCD

The invention discloses a touch sensor, an embedded touch LCD panel and an LCD. The touch sensor includes a plurality of drive electrodes and a plurality of induction electrodes crossed with the drive electrodes, wherein mutual capacitance is formed between the drive electrodes and the induction electrodes; in a matrix structure, a plurality of virtual electrodes are arranged at the residual zone except the drive electrodes and the induction electrodes; and the virtual electrodes, the drive electrodes and the induction electrodes are positioned on the same layer. The LCD panel provided with an embedded touch screen, provided by the technical scheme, has better transmission of light and higher screen luminance, guarantees enough mutual capacitance to enable touch induction signals to be easily detected while reducing stray capacitance among electrodes except the drive electrodes and the induction electrodes in the touch sensor and the LCD panel, and eliminates electrostatic influence of the LCD panel due to finger touch.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Touch sensor integrated type display device

A touch sensor integrated type display device includes gate lines and data lines crossing over each other, pixel electrodes respectively formed in areas defined by crossing the gate lines and the data lines, first electrodes, each of which is formed between the pixel electrodes and in parallel with the gate line, the pixel electrodes being adjacent to each other with the gate line interposed therebetween, second electrodes formed in parallel with the data lines to overlap the pixel electrode, first routing wires connecting some of the first electrodes to form first electrode groups arranged in a first direction, second routing wires connecting another some of the first electrodes to form second electrode groups arranged in the first direction; and third routing wires connecting some of the second electrodes to form third electrode groups arranged in a second direction.
Owner:LG DISPLAY CO LTD

Fingerprint sensor integrated type touch screen device

Disclosed is a fingerprint sensor integrated type touch screen device that includes a touch screen having at least one fingerprint & touch area and a plurality of touch areas, each touch area including Tx electrode lines of a first group crossing Rx electrode lines of the first group, and touch sensors at crossings of the Tx electrode lines of the first group and the Rx electrode lines of the first group; and a touch integrated circuit (IC) that supplies a sensor driving signal of a same phase to the Tx electrode lines of the first group, groups first effective Rx channels of the Rx electrode lines of the first group as a bundle, and simultaneously senses the first effective Rx channels through a first touch sensing part, wherein first ineffective Rx channels of the Rx electrode lines of the first group are electrically disconnected from the first touch sensing part.
Owner:LG DISPLAY CO LTD

In-cell touch display device

An in-cell touch display device is disclosed. The device includes a color filter substrate, a Thin Film Transistor array substrate, and a liquid crystal layer disposed between the color filter substrate and the Thin Film Transistor array substrate. The color filter substrate includes a grid black matrix layer, a touch layer, and a color filter layer, where the touch layer includes a plurality of metal grid electrodes. In addition, each electrode is aligned with the grid of the black matrix layer in a light transmission direction, and a density of the metal grid electrodes adjacent to the edge of the metal grid electrodes is greater than a density of the metal grid electrodes adjacent to the center of metal grid electrodes.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Projected capacitive touch panel with silver-inclusive transparent conducting layer(s), and/or method of making the same

Certain example embodiments relate to capacitive touch panels. First and second glass substrates are substantially parallel and spaced apart from one another. At least one multi-layer transparent conductive coating (TCC) is patterned into electrodes and located between the first and second substrates. The TCC(s) include(s) at least one conductive layer including silver, a dielectric layer including zinc oxide under and directly contacting the conductive layer including silver, and a dielectric layer(s) including tin oxide or silicon nitride over the conductive layer including silver. Processing circuitry electrically connects to the electrodes and measures an aspect of the electrodes' capacitance. A laminate material is located between the first and second glass substrates. The TCC(s), when blanket deposited, may have a visible transmission of at least 88%, a sheet resistances of no more than 10 ohms per square, and a haze of no more than 0.5%. Mutual and self-capacitance designs are disclosed.
Owner:GUARDIAN GLASS LLC

Touch sensor integrated type display device

A touch sensor integrated type display device includes a plurality of gate lines and a plurality of data lines which are formed to cross over each other; a plurality of pixel electrodes respectively formed in areas defined by crossings of the plurality of gate lines and the plurality of data lines; a plurality of first electrodes, each of which is formed between the pixel electrodes and in parallel with the gate line, the pixel electrodes being adjacent to each other with the gate line interposed therebetween; a plurality of second electrodes formed in parallel with the data lines, at least a portion of each of the plurality of second electrodes overlapping the pixel electrode; and a shielding electrode formed between each first electrode and each second electrode.
Owner:LG DISPLAY CO LTD

Projected capacitive touch panel with silver-inclusive transparent conducting layer(s), and/or method of making the same

Certain example embodiments relate to capacitive touch panels. First and second glass substrates are substantially parallel and spaced apart from one another. At least one multi-layer transparent conductive coating (TCC) is patterned into electrodes and located between the first and second substrates. The TCC(s) include(s) at least one conductive layer including silver, a dielectric layer including zinc oxide under and directly contacting the conductive layer including silver, and a dielectric layer(s) including tin oxide or silicon nitride over the conductive layer including silver. Processing circuitry electrically connects to the electrodes and measures an aspect of the electrodes' capacitance. A laminate material is located between the first and second glass substrates. The TCC(s), when blanket deposited, may have a visible transmission of at least 88%, a sheet resistances of no more than 10 ohms per square, and a haze of no more than 0.5%. Mutual and self-capacitance designs are disclosed.
Owner:GUARDIAN GLASS LLC

Vending machines with large area transparent touch electrode technology, and/or associated methods

Certain example embodiments relate to vending machines with large area transparent touch electrode (LATTE) technology, and / or associated methods. By using the low-E Ag-based coatings described herein, it is possible to create new vending machine user interfaces that are more interesting and interactive than conventional interfaces. Touch-based user interfaces may be useful in vending, attract, and game-playing modes into which example vending machines may be placed and under which they may be operated.
Owner:GUARDIAN GLASS LLC

In-cell touch display device

An in-cell touch display device is disclosed. The device includes a color filter substrate, a Thin Film Transistor array substrate, and a liquid crystal layer disposed between the color filter substrate and the Thin Film Transistor array substrate. The color filter substrate includes a grid black matrix layer, a touch layer, and a color filter layer, where the touch layer includes a plurality of metal grid electrodes. In addition, each electrode is aligned with the grid of the black matrix layer in a light transmission direction, and a density of the metal grid electrodes adjacent to the edge of the metal grid electrodes is greater than a density of the metal grid electrodes adjacent to the center of metal grid electrodes.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Single-layer mutual-capacitance touch panel

The invention provides a single-layer mutual-capacitance touch panel which comprises a substrate, first-direction touch electrodes and second-direction touch electrodes. The first-direction touch electrodes and the second-direction touch electrodes intersect with one another and are arranged on the surface of the substrate, each first-direction touch electrode comprises a plurality of first-direction touch electrode units, each second-direction touch electrode comprises a plurality of second-direction touch electrode units, the first-direction touch electrode units and the second-direction touch electrode units are provided with hollow-out regions, input ends of at least two adjacent first-direction touch electrodes or input ends of at least two adjacent second-direction electrodes are connected with each other, output ends of at least two adjacent first-direction touch electrodes or output ends of at least two adjacent second-direction touch electrodes are connected with each other, and each of the input ends and the output ends is connected with a chip by an electrode connecting wire. The single-layer mutual-capacitance touch panel has the advantages that the problem of floating can be effectively solved by the aid of the single-layer mutual-capacitance touch panel, and the single-layer mutual-capacitance touch panel is simple in structure, is integrally lightened and thinned and has good touch hand feel.
Owner:SHENZHEN YAMILA ELECTRONICS TECH CO LTD

Touch control assembly and touch display device

The invention provides a touch control assembly and a touch control display device. The touch control assembly comprises a touch control layer; the touch control layer comprises a plurality of touch control units; each touch control unit comprises a first electrode arranged along a first direction, and a second electrode arranged in the second direction, wherein the first electrode is electricallyinsulated from the second electrode. At the position close to the intersection of the first electrode and the second electrode, the first electrode comprises at least one concave part, and the secondelectrode comprises at least one convex part matched with the concave part. The concave part is arranged on each first electrode, and the convex part is arranged on each second electrode; therefore,the impedance of the first electrode at the position close to the intersection of the first electrode and the second electrode is not increased, and the impedance of the second electrode at the position close to the intersection of the first electrode and the second electrode is reduced, so that the resistance-capacitance load of the second electrode is reduced, the scanning time of the touch display device is shortened, and the point reporting rate is increased.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Touch sensor integrated type display device

A touch sensor integrated type display device includes gate lines and data lines; a plurality of pixel electrodes respectively formed in pixel areas defined by crossings of the gate and data lines; a first electrode formed between first pixel electrodes and in parallel with a first gate line of the gate lines, the first pixel electrodes being adjacent to each other with the first gate line interposed therebetween; second electrodes formed between second pixel electrodes and arranged in a line in parallel with a second gate line adjacent to the first gate line, the second pixel electrodes being adjacent to each other with the second gate line interposed therebetween; and third electrodes, each of which is formed in parallel with the data lines and contacts the second electrodes, at least a portion of each of the third electrodes overlapping the first and second pixel electrodes.
Owner:LG DISPLAY CO LTD

Touch sensor integrated type display device

A touch sensor integrated type display device includes gate lines and data lines crossing over each other, pixel electrodes respectively formed in areas defined by crossing the gate lines and the data lines, first electrodes, each of which is formed between the pixel electrodes and in parallel with the gate line, the pixel electrodes being adjacent to each other with the gate line interposed therebetween, second electrodes formed in parallel with the data lines to overlap the pixel electrode, first routing wires connecting some of the first electrodes to form first electrode groups arranged in a first direction, second routing wires connecting another some of the first electrodes to form second electrode groups arranged in the first direction; and third routing wires connecting some of the second electrodes to form third electrode groups arranged in a second direction.
Owner:LG DISPLAY CO LTD

Touch sensor integrated type display device comprising shielding electrodes formed between a first electrode and a pixel electrode

A touch sensor integrated type display device includes a plurality of gate lines and a plurality of data lines which are formed to cross over each other; a plurality of pixel electrodes respectively formed in areas defined by crossings of the plurality of gate lines and the plurality of data lines; a plurality of first electrodes, each of which is formed between the pixel electrodes and in parallel with the gate line, the pixel electrodes being adjacent to each other with the gate line interposed therebetween; a plurality of second electrodes formed in parallel with the data lines, at least a portion of each of the plurality of second electrodes overlapping the pixel electrode; and a shielding electrode formed between each first electrode and each second electrode.
Owner:LG DISPLAY CO LTD

Vending machines with large area transparent touch electrode technology, and/or associated methods

Certain example embodiments relate to vending machines with large area transparent touch electrode (LATTE) technology, and / or associated methods. By using the low-E Ag-based coatings described herein, it is possible to create new vending machine user interfaces that are more interesting and interactive than conventional interfaces. Touch-based user interfaces may be useful in vending, attract, and game-playing modes into which example vending machines may be placed and under which they may be operated.
Owner:GUARDIAN GLASS LLC

A capacitive embedded touch screen and display device

The invention provides a capacitive type embedded touch screen and a display device. The capacitive type embedded touch screen comprises an array substrate, a color film substrate, a black matrix and a touch control electrode, wherein the array substrate and the color film substrate are oppositely arranged, and the black matrix is arranged on the color film substrate or the array substrate. The touch electrode comprises at least one first electrode body. The figure of the orthographic projection on the array substrate of each first electrode body is located within an area where the figure of the orthographic projection on the array substrate of the black matrix is located. By the adoption of the capacitive type embedded touch screen and the display device, the opposite area between a touch drive electrode and a touch induction electrode, so that the mutual capacitance between the touch drive electrode and the touch induction electrode is reduced, and therefore the touch sensitivity of the capacitive type embedded touch screen is improved.
Owner:BOE TECH GRP CO LTD +1

touch panel

ActiveCN108984051BEliminate or reduce total areaEliminate or reduce mutual capacitanceInput/output processes for data processingHemt circuitsMechanical engineering
The present invention provides a touch panel, comprising: a plurality of first electrodes parallel to the first axis; a plurality of second electrodes parallel to the second axis, wherein the plurality of first electrodes and the plurality of second electrodes are at a distance between the plurality of first electrodes and the plurality of second electrodes A plurality of sensing points are formed in the touch area; the first group of wiring harnesses outside the touch area include a plurality of first circuits to be respectively connected to the plurality of first electrodes and the touch processing device; in the touch area The second group of wiring harnesses outside the touch area includes a plurality of second circuits to be respectively connected to the plurality of second electrodes and the touch processing device; and the set of dummy electrodes outside the touch area includes one or more dummy electrodes, A space is formed between the part of the first group of wire bundles and the part of the second group of wire bundles, the set of dummy electrodes is located in the space, and the total area of ​​the set of dummy electrodes is smaller than the area of ​​the space.
Owner:EGALAX EMPIA TECH INC

Mutual capacitive touch panel

A mutual capacitive touch panel includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of first electrode series and a plurality of second electrode series. The second electrode layer includes a plurality of electrode strips, and each electrode strip crosses the first electrode series and the second electrode series. Each first electrode series includes a plurality of first electrodes and a plurality of second electrodes electrically connected with each other, and each first electrode and a corresponding one of the second electrodes are disposed abreast and form an electrode set. Each second electrode series includes a plurality of third electrodes electrically connected with each other, and each electrode set and each third electrode are arranged alternately along a direction.
Owner:ILI TECHNOLOGY CORPORATION

Touch panel

ActiveCN108984051AEliminate or reduce total areaEliminate or reduce mutual capacitanceInput/output processes for data processingComputer scienceTouch panel
The present invention provides a touch panel including: multiple first electrodes being parallel to a first axis; multiple second electrodes being parallel to a second axis, wherein multiple sensing points are formed in a touch area by the first electrodes and the second electrodes; a first bus laid outside the touch area including multiple first circuits respectively coupled to the first electrodes and a touch sensitive processing apparatus; a second bus laid outside the touch area including multiple second circuits respectively coupled to the second electrodes and the touch sensitive processing apparatus; and a dummy electrode set laid outside the touch area including one or more dummy electrodes, wherein a separate area is formed between a part of the first bus and a part of the secondbus, the dummy electrode set is laid inside the separate area, and the total area of the dummy electrode set is less than the area of the separate area.
Owner:EGALAX EMPIA TECH INC

Touch panel sensor with optimal electrode separation for improved performance

A touch panel display includes a display panel having a plurality of pixel regions that emit light, and a touch sensor having an electrode configuration that overlays the display panel. The electrode configuration includes a first electrode and a second electrode that are separated by an insulating region. The electrode separation distance between the first and second electrodes is in a range whereby (1) with increasing electrode separation distance a first rate of proportional decrease in mutual capacitance between the first and second electrodes is greater than a second rate of proportional decrease in signal magnitude of an output signal, and (2) a ratio (R) of the first rate to the second rate satisfies the relationship 1.0<R<2.5. With such parameters, the electrode separation distance may be from 30 μm to 50 μm, and / or from 0.5 to 0.75 times a pixel pitch of the pixel regions.
Owner:SHARP DISPLAY TECH CORP

A magnetic random access memory using arched word lines

The present invention provides a magnetic random access memory using arched word lines. An array is formed by a cell structure, and the cell structure at least includes an active region carrying layer, an arched word line segment, a first contact column, a second contact column, and a third contact column; The first contact column, the third contact column, and the second contact column are sequentially arranged on the active region carrying layer; the arched word line segment passes through the area between the first contact column, the second contact column and the third contact column, so as to The first contact stud and the second contact stud are located on one side of the arched word line segment, the third contact stud is located on the other side of the arched word line segment, and there is an oxide layer under the arched word line segment. The beneficial effects of the present invention: (1) the design of the peripheral circuit is simple; (2) only two columns share the source line, and the speed is fast; (3) in the active area of ​​the same area, it can withstand greater current and provide faster Speed; (4) Using one less layer of metal reduces the cost, reduces the mutual inductance capacitance, and also helps to increase the speed.
Owner:SHANGHAI CIYU INFORMATION TECH CO LTD

An embedded touch screen and display device

The invention discloses an embedded touch screen and a display device which are used for improving the touch effect of the embedded touch screen. The embedded touch screen provided by the embodiment of the invention comprises multiple touch driving electrodes, multiple touch inducting electrodes and a shielding layer with certain patterns, wherein the multiple touch driving electrodes are arranged along a first direction; the multiple touch inducting electrodes are arranged along a second direction intersected with the first direction; and the shielding layer is located between the touch driving electrodes and the touch inducting electrodes, used for shielding an opposite electric field between the vertical overlapping surfaces of the touch driving electrodes and the touch inducting electrodes.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

A capacitive embedded touch screen and display device

The invention discloses a capacitance type embedded touch screen and a display device. A public electrode layer connected in a manner of a whole surface in a TFT (Thin Film Transistor) array substrate is divided to form mutually insulated and crossly arranged touch driving electrodes and public electrodes; a touch sensing electrode is arranged on a colorful film substrate; and time-sharing driving is performed on the touch driving electrodes to realize a touch function and a display function. As the projection of the touch sensing electrode on the TFT array substrate is located in an area where the public electrodes are of the touch screen provided by the embodiment of the invention, and the public electrodes and the touch driving electrodes are located at the same layer but insulated mutually, an enfilade area generated between the touch sensing electrode and the touch driving electrodes is avoided, a mutual capacitance formed by the enfilade area is reduced, a proportion of a mutual capacitance variation quantity caused by touch of a finger is added, and touch accuracy is improved. In addition, as the time-sharing driving touch and display functions are adopted, mutual interference is also reduced, and picture quality is increased.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD

Touch component and touch display device

The present application provides a touch component and a touch display device, the touch component includes a touch layer, the touch layer includes a plurality of touch units, each touch unit includes: a first electrode arranged along a first direction; and , the second electrode arranged along the second direction, the first electrode is electrically insulated from the second electrode; wherein, at the intersection position near the first electrode and the second electrode, the first electrode includes at least one recessed part, and the second electrode The electrode includes at least one raised portion cooperating with the indented portion. By setting the indented part on the first electrode and the raised part on the second electrode, it is ensured that the impedance of the first electrode close to the crossing position of the first electrode and the second electrode does not increase, and at the same time, the resistance of the second electrode is reduced. Impedance close to the intersection of the first electrode and the second electrode, thereby reducing the resistance-capacitance load of the second electrode, reducing the time required for the touch display device to scan, thereby increasing the reporting rate.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Touch control structure, preparation method thereof, touch control device and touch control display device

The embodiment of the invention provides a touch control structure, a preparation method thereof, a touch control device and a touch control display device, and relates to the technical field of touch. The problem that an existing touch structure is large in capacitance and resistance delay value can be solved; the touch control structure comprises a plurality of first touch control electrodes anda plurality of second touch control electrodes arranged on a substrate; the first touch electrodes and the second touch electrodes are composed of first conductive mesh structures and one or more polygonal patterns arranged in each first mesh; the centers of the first meshes coincide with the centers of the polygonal patterns; the polygonal patterns are made of conductive materials, wherein at the crossed positions of the first touch control electrodes and the second touch control electrodes, after the intersections of the first conductive mesh structures of the first touch control electrodescoincide with the centers of the polygonal patterns of the second touch control electrodes, the orthographic projections of the first conductive mesh structures and the polygonal patterns on the substrate form a second conductive mesh structure, and the shapes and the sizes of multiple second meshes in the second conductive mesh structure are identical.
Owner:BOE TECH GRP CO LTD +1

Touch sensor, built-in touch LCD panel, liquid crystal display

A touch sensor, an embedded touch liquid crystal display panel, and a liquid crystal display, wherein the touch sensor includes a plurality of driving electrodes and a plurality of sensing electrodes intersecting with the plurality of driving electrodes, and the gap between the driving electrodes and the sensing electrodes is forming a mutual capacitance; in the matrix structure, a plurality of dummy electrodes are provided in the remaining area except the driving electrodes and the sensing electrodes, and the dummy electrodes, the driving electrodes and the sensing electrodes are located in the same layer . The liquid crystal display panel with an embedded touch screen provided by this technical solution has better light transmission and higher screen brightness; it reduces the parasitic capacitance between the touch sensor and the other electrodes in the liquid crystal panel except the driving electrode and the sensing electrode At the same time, a sufficiently large mutual capacitance is ensured to make the touch sensing signal easy to detect, and also eliminates the electrostatic influence of the liquid crystal display panel due to finger touch.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products