34results about How to "Improve touch detection accuracy" patented technology

An image display apparatus with image entry function of high accuracy enabling high-speed direct screen input without decreasing a pixel aperture ratio. Data lines of thin-film transistors which do not receive light and storage lines are connected to respective selector switches. The selector switches are turned on and off by a switching signal supplied through a switching line from a control circuit. The conveyance of a drive signal and a video signal supplied from a gate line driving circuit and a data line driving circuit and the conveyance of a light signal to an X address detection circuit and a Y address detection circuit are switched by turning on and off the selector switches.

The embodiment of the invention provides a liquid crystal display panel, a liquid crystal displayer and a driving method of the liquid crystal displayer, and relates to the technical field of display. Pressure detection precision can be improved, and cost can be lowered. The liquid crystal display panel comprises an array substrate and a cassette substrate. The array substrate comprises a plurality of disconnected common electrodes and first wires electrically connected with the common electrodes. The cassette substrate comprises opposed electrodes in one-to-one correspondence with the common electrodes and second wires electrically connected with the opposed electrodes. The common electrodes are used for time sharing so that display, touch control and pressure detection of the liquid crystal display panel can be achieved. The liquid crystal display panel is used for the liquid crystal displayer.

The invention discloses a touch screen and a touch display electronic device. The touch screen comprises a substrate, an auxiliary electrode layer, a common electrode layer and a routing layer, wherein the auxiliary electrode layer, the common electrode layer and the routing layer are arranged on the same side of the substrate, and the common electrode layer and the routing layer are oppositely arranged in the direction perpendicular to the substrate. The common electrode layer comprises a plurality of common electrode blocks which are the same. Each common electrode block comprises a center electrode and a sawtooth electrode electrically connected with the center electrode. The opposite sawtooth electrodes of every two adjacent common electrodes are nested. The routing layer comprises a plurality of first wires electrically and correspondingly connected with the common electrode blocks in a one-to-one mode. The auxiliary electrode layer comprises a plurality of auxiliary electrode blocks. The sawtooth electrodes adjacent to the edge of the substrate and the auxiliary electrode blocks are nested. When the common electrode blocks input common voltage signals for image display control, the auxiliary electrode blocks input common voltage signals. The touch screen improves the touch detection precision, and prevents the problems of visibility of edge images and light leakage of pixel electrodes near to the edge of the substrate.

The embodiment of the invention discloses a display panel and electronic equipment. The display panel comprises a common electrode layer, a plurality of first touch routes and a plurality of second touch routes, wherein the common electrode layer is segmented into a plurality of first electrodes; a plurality of openings are formed in the first electrodes; a second electrode arranged on the same layer of the corresponding first electrode is arranged in each opening; the plurality of second electrodes are arranged in an array from; an annular closed slit is formed between each first electrode and any one second electrode arranged in the opening of the corresponding first electrode; at least one first touch route is correspondingly and electrically connected with one first electrode; the first touch routes extend in the second direction and are overlapped with the annular closed slits in the direction perpendicular to the display panel; at least one second touch route is correspondingly and electrically connected with a column of second electrodes. According to the display panel provided by the embodiment of the invention, touch detection precision is improved, and touch detection of the display panels with narrow frames and large-medium sizes is realized.

The present invention discloses a touch display device and a manufacturing method thereof, the display device comprising: an OLED display layer disposed on a lower substrate; an upper substrate; an air layer formed between the upper substrate and the lower substrate; and a touch module, disposed above the OLED display layer, wherein the touch module comprises: a first sensing circuit layer and a second sensing circuit layer, further wherein the first sensing circuit layer and the second sensing circuit layer are spaced and the distance between them is more than 2 um. The display device can reduce interference in detection circuit caused by coupling capacitance formed between the sensing circuit layers thereby improving accuracy of touch detection.

The invention relates to a capacitor type touch panel operating method and a touch type naked-type stereoscopic display. The capacitor type touch panel operating method is suitably applied in the touch type naked-type stereoscopic display. The capacitor type touch panel comprises sensing elements. Specifically, the capacitor type touch panel operating method comprises a step of performing touch potential reading operation only when a signal value due to a barrier potential change is smaller than a preset value. The touch potential reading operation comprises steps of providing a first driving signal to sensing elements so as to perform touch potential reading operations when the barrier potential is a high potential; and providing a second driving signal to sensing elements to perform touch potential reading operations when the barrier potential is a low one, wherein, the pulse amplitude of the first driving signal is lower than that of the second driving signal.

The invention discloses a touch panel and a touch electronic device. The touch panel comprises a plurality of common electrode blocks arranged in an array and a plurality of touch lines, wherein one touch line is corresponding electrically connected with one common electrode block and insulated from other common electrode blocks, and the other common electrode blocks insulated from the touch line and the touch line are on the same layer. For any touch line, the common electrode block located on a passing path of the touch line and insulated from the touch line is provided with a slit for the touch line to pass. The common electrode block comprises a first sub common electrode block and a second sub common electrode block which are adjacent to the slit of the common electrode block; and the first sub common electrode block and the second sub common electrode block are connected through a bridge electrode. According to the technical scheme, the touch detection accuracy of the touch panel and the reliability of the electronic device are improved.

The invention discloses a touch display panel and a touch display device, wherein the touch display panel comprises a plurality of touch lines and a plurality of data lines which are arranged on a substrate, wherein the touch lines and the data lines extend along a first direction, the data lines and the touch lines are arranged on different layers, and at least one data line is overlapped with the touch lines; the pixel units which are arranged in an array; a plurality of touch electrodes, wherein each touch electrode covers a plurality of pixel units, each pixel unit comprises a plurality ofsub-pixels, and at least one pixel unit comprises a sub-pixel provided with a notch area; each touch routing line comprises a plurality of extension subsections which extend to the notch area; at least one extending part of each touch wire is electrically connected with the touch electrode through the via hole of the notch area, and the via hole penetrates through the insulating layer between thetouch wire and the touch electrode. The invention provides the touch display panel and the touch display device which solve the problem that touch wires of different touch electrodes in the touch display panel interfere with one another.

The invention discloses a touch display panel and a touch display apparatus. The touch display panel provided by one embodiment of the invention comprises a first touch electrode array and a second touch electrode array, wherein the first touch electrode array comprises first to Mth first touch electrodes arranged in a first direction; the second touch electrode array comprises first to Nth second touch electrodes arranged in a second direction; each first touch electrode comprises a first connection part extending in the second direction; the second to Mth first touch electrodes further comprise a plurality of first electrode blocks; the first electrode blocks in any first touch electrode of the second to Mth first touch electrodes are formed on the same side of the first connection part of the first touch electrode; and orthographic projection of each first electrode block to the second touch electrode array is at least partially overlapped with at least two second touch electrodes. According to the scheme, the touch detection precision of the touch display panel is improved.

The invention discloses a display panel, a manufacture method thereof and a display device. The display panel comprises a substrate, a plurality of pixels arranged in an array on the substrate, and adetection circuit, wherein each pixel comprises a plurality of sub-pixels; each sub-pixel comprises an infrared detecting unit located on the substrate and a light emitting unit positioned on one side, deviated from the substrate, of the infrared detecting unit; the light emitting unit comprises a first electrode on the substrate, a second electrode positioned on one side, deviated from the substrate, of the first electrode, and a display light emitting part and an infrared light emitting part which are laminated between the first electrode and the second electrode. The detection circuit is electrically connected to each of the infrared detecting units so as to determine the touch location according to the photocurrent signals of the respective infrared detecting units. In the display panel provided by an embodiment of the invention, the infrared detecting unit and the infrared light emitting part do not occupy the aperture ratio of the pixel, thereby improving the resolution of the display screen.

The invention discloses a display panel and a display device, and relates to the technical field of display. In the embodiment of the invention, for the display panel having a double-gate structure, acolumn of sub-pixels are arranged between any adjacent two data lines; furthermore, each data line is electrically connected with adjacent various sub-pixels at one side, and insulated from adjacentvarious sub-pixels at the other side; therefore, the coupling influence Cpd of each sub-pixel by the data line is same; therefore, the vertical stripe phenomenon due to the fact that the coupling influence Cpd of the sub-piexel by the data line around is different can be eliminated; the display effect is improved; furthermore, the routing increasing problem in a fan-out area also can be avoided; therefore, the area of the fan-out area is easily reduced; the screen-to-body ratio is increased; in addition, because a touch signal line and the data line are in the same layer and arranged to be insulated, an embedded touch structure can be realized; the thickness of the display panel is reduced while the touch detection precision is increased; and thus, lightweight design is realized.

The embodiment of the invention discloses a touch display panel and a touch display device. The touch display panel comprises a touch panel, the touch panel includes a substrate and a plurality of first touch electrode blocks and a plurality of second touch electrode blocks arranged on the substrate, In the direction perpendicular to the substrate, the first touch electrode block and the second touch electrode block are not overlapped; The touch display panel comprises a special-shaped area and a non-special-shaped area. The opposite areas of the opposite surfaces of the adjacent first touch electrode block and second touch electrode block in the special-shaped region are different from the opposite areas of the opposite surfaces of the adjacent first touch electrode block and second touchelectrode block in the non-special-shaped region; and / or the distance between the adjacent first touch electrode block and second touch electrode block in the special-shaped area in the direction parallel to the substrate is different from the distance between the adjacent first touch electrode block and second touch electrode block in the non-special-shaped area in the direction parallel to thesubstrate. The embodiment of the invention ensures that the touch display panel has higher touch detection precision.

The invention discloses a grid driving circuit. In a display stage, in response to a low potential of a second voltage end, first and second control modules disconnect a third voltage end from a first output end; in a touch control stage, in response to a high potential of the second voltage end, the first and second control modules connect the third voltage end with the first output end; and thus, each scanning unit is provided with the first and second control modules, in the touch control stage, the first control module keeps the first output end in the low potential and the second control module keeps a second output end in the low potential, so that a capacitive coupling effect between grid lines and touch control electrodes in a touch control display panel used by the grid driving circuit is weakened, the precision of touch control detection is improved, added lines are short and narrow, an occupied frame is small in the area, and a narrow frame can be realized.

The embodiment of the invention provides a touch display device and a touch detection circuit, which relate to the technical field of touch detection. Wherein the electrode unit not detected in the touch display device is connected to a second driving circuit through a detection switch, so that the charge and discharge amount of the parasitic capacitance formed between the detected electrode unitand the undetected electrode unit is reduced or even eliminated, thereby reducing the interference of the parasitic capacitance on the touch detection and improving the touch detection accuracy.

According to the embodiment, the invention discloses a gate drive circuit. In the gate drive circuit, first control modules respond to signals of first signal en and second signal ends, and in a touch control stage, third voltage ends and first output ends are conducted by virtue of the first control modules; second control modules respond to the signals of the first signal ends and the second signal ends, and in the touch control stage, the third voltage ends and the second output ends are conducted by virtue of the second control modules; therefore, by arranging the first and the second control modules in various canning units, in the touch control stage, the first output ends are controlled at a low potential by virtue of the first control modules, and meanwhile, the second output ends are controlled at a low potential by virtue of the second control modules, so that a capacity coupling action between various gate lines and a touch control electrode in a touch control display panel applied to the gate drive circuit is weakened, and touch control detection precision is enhanced; and an added cable is relatively short, relatively narrow and relatively small in occupied bezel area; therefore, the gate drive circuit is conducive to implementation of a narrow bezel.

The application discloses an array substrate, a display panel containing the same, and a display device. The array substrate comprises a substrate, a pixel array formed on the substrate, multiple data lines, multiple scanning line groups, multiple touch electrodes and multiple touch signal lines; the pixel array comprises multiple pixel groups, each pixel group comprises a first pixel column and a second pixel column adjacent to each other, the data line is arranged between the first pixel column and the second pixel column, and the touch signal line is arranged between the two adjacent pixel groups; each touch electrode is connected with multiple corresponding touch signal lines, and an orthographic projection of the touch electrode to the substrate covers the orthographic projection of the corresponding touch signal line to the substrate; the scanning line group comprises a first scanning line and a second scanning line at two sides of each column of pixel, and the first scanning line and the second scanning line are respectively connected with the pixels in the first pixel column and the second pixel column in each column of pixel. Through the adoption of the embodiment of the invention, the resistance of the touch electrode can be lowered, and the uniformity of the touch sensitivity is improved.

The embodiment of the invention discloses an electronic device and a manufacturing method thereof. The electronic device comprises a display module; a transparent cover plate; a touch module; and a sensing film, which is located at one side of the transparent cover plate opposite to the touch module. A preset region of the surface of the sensing film has at least one sensing pattern, so as to realize the touch control key by using the sensing pattern of the preset area on the surface of the sensing film, and through capacitive sensing between the induction pattern and the touch control module,a touch signal sensed on the sensing film is transmitted to a background chip for processing, thereby solving the problem that the touch keys in the existing electronic equipment are directly electrically connected with the touch chip through a separate touch channel, when the total number of touch channels in the touch control chip is fixed, the number of touch channels that can be used in the display area of the touch control screen is reduced, and the separation degree of two fingers in the display area of the touch control screen is reduced. In this way, the touch detection accuracy of the display area of the touch control screen is improved.

The invention discloses a display panel, its manufacturing method and a display device. The display panel includes: a base substrate, a plurality of pixels arranged in an array on the base substrate, and a detection circuit; wherein each pixel It includes a plurality of sub-pixels; the sub-pixels include: an infrared detection unit located on the base substrate, and a light-emitting unit located on the side of the infrared detection unit away from the base substrate; the light-emitting unit includes: a first electrode located on the base substrate, The second electrode located on the side of the first electrode away from the base substrate, and the display light-emitting part and the infrared light-emitting part stacked between the first electrode and the second electrode; the detection circuit is electrically connected to each infrared detection unit for The touch position is judged according to the photocurrent signal of each infrared detection unit. In the display panel provided by the embodiment of the present invention, the infrared detection unit and the infrared light emitting part do not occupy the aperture ratio of the pixel, which improves the resolution of the display screen.

The present application discloses a touch display panel and a touch display device. An embodiment of the touch display panel includes: a first touch electrode array, comprising M first touch electrodes including 1st to Mth first touch electrodes, arranged along a first direction; and a second touch electrode array, comprising N second touch electrodes; each of the first touch electrodes comprising a first connection portion extending along the second direction, and each of the 2nd to Mth first touch electrodes further comprising a plurality of first electrode blocks; and an orthographic projection of each of the first electrode blocks on the second touch electrode array at least partially overlapping at least two second touch electrodes. The embodiment has improved touch detection accuracy.

The embodiment of the invention discloses a display device. The display device comprises a display film layer, a touch driving module, a plurality of touch electrodes and a plurality of shielding structures, wherein the touch electrodes and the shielding structures are located on the same side of the display film layer; the vertical projections of the shielding structures on the display function layer are located between the vertical projections of at least part of the touch electrodes on the display function layer, and the touch electrodes are insulated from the shielding structures; the shielding structures and the touch electrodes are electrically connected with the touch driving module, and the touch driving module is used for detecting noise signals through the shielding structures and correcting touch signals detected on the touch electrodes according to the noise signals during touch position detection. According to the embodiment of the invention, the touch detection precision of the display device is improved.

The touch panel controller activates a touch panel having a detection plane superposed on a display plane of a display device, and performs a touch detection. The touch panel controller uses a cycle of 1 / n (n is a positive integer) of a display frame cycle on the display plane as the detection frame cycle of the detection plane. The touch panel controller decides an order of driving the detection-scan electrodes in each detection frame cycle according to predetermined phase-delay and phase-advance positions with respect to a display-scan electrode drive position of the display device so as to correspond to an order of the detection-scan electrode array of the touch panel. The touch panel controller makes possible to avoid the coincidence of display-scan and touch-detection positions without thinning touch detections even with the detection frame cycle of a touch sensor shorter than the display frame cycle of a liquid crystal panel.

The invention discloses a touch control display panel and a driving method thereof and a touch control display device. The touch display panel includes N touch control electrodes, a public signal line, at least one touch control signal line and a touch control drive circuit, wherein the N touch control electrodes are arranged in the first direction and extend in the second direction. The touch control drive circuit includes a first control signal line set, a second control signal line set, a plurality of third control signal lines, first switch groups, second switch groups and third switch groups; each first switch group is electrically connected with one first control signal line and insulated with other first control signal lines, each first switch is electrically connected with at least one touch control signal line, each second switch group is electrically connected with one second control signal line and is insulated with other second control signal lines, and each second switch group is electrically connected with the public signal line; every third switch is electrically connected with one third control signal line, and each third switch is electrically connected with the public signal line. The touch control display panel and the touch control display device can improve the precision of touch control detection.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a first touch electrode and a second touch electrode which extend in different directions; every two adjacent first electrode blocks in the first touch electrodes are electrically connected through a first connecting part; every two adjacent second electrode blocks in the second touch electrodes are electrically connected through a second connecting part. The first connecting part and the second connecting part are insulated and crossed; the binding area comprises a plurality of binding terminals, the first wires are connected between the first touch electrodes and the binding terminals, and the second wires are connected between the second touch electrodes and the binding terminals; the first wire comprises a first sub-wire and a second sub-wire, the resistance of the first sub-wire is smaller than that of the second sub-wire, and the first touch electrode connected with the first sub-wire is located on the side, away from the binding area, of the first touch electrode connected with the second sub-wire. According to the invention, the touch detection precision can be improved.

The embodiment of the present invention discloses an electronic device and a manufacturing method thereof. The electronic device includes a display module; a transparent cover; a touch module; and a sensing film, which is located on the side of the transparent cover away from the touch module. The predetermined area on the surface of the sensing film has at least one sensing pattern, so as to use the sensing pattern in the predetermined area on the surface of the sensing film to realize the touch key, and through the capacitance between the sensing pattern and the touch module Sensing, the touch signal sensed on the sensing film is transmitted to the background chip for processing, so as to solve the problem that the touch button in the existing electronic equipment is directly electrically connected to the touch chip through a separate touch channel, resulting in a problem in the touch chip When the total amount of touch channels is fixed, the number of touch channels that can be used in the display area of ​​the touch screen is reduced, and the problem of the separation of two fingers in the display area of ​​the touch screen is reduced, which improves the touch control. The touch detection accuracy of the display area in the screen.

According to the embodiment, the invention discloses a gate drive circuit. In the gate drive circuit, first control modules respond to signals of first signal en and second signal ends, and in a touch control stage, third voltage ends and first output ends are conducted by virtue of the first control modules; second control modules respond to the signals of the first signal ends and the second signal ends, and in the touch control stage, the third voltage ends and the second output ends are conducted by virtue of the second control modules; therefore, by arranging the first and the second control modules in various canning units, in the touch control stage, the first output ends are controlled at a low potential by virtue of the first control modules, and meanwhile, the second output ends are controlled at a low potential by virtue of the second control modules, so that a capacity coupling action between various gate lines and a touch control electrode in a touch control display panel applied to the gate drive circuit is weakened, and touch control detection precision is enhanced; and an added cable is relatively short, relatively narrow and relatively small in occupied bezel area; therefore, the gate drive circuit is conducive to implementation of a narrow bezel.

The invention discloses a touch panel, a preparation method thereof and a touch device. The touch panel comprises a plurality of transmitting electrode channels and a plurality of receiving electrode channels, each emission signal line is selectively connected with at least one emission electrode channel, and the corresponding emission signal line combination modes on the emission electrode channels are different; each receiving signal line is selectively connected with at least one receiving electrode channel, and the corresponding receiving signal line combination modes on the receiving electrode channels are different; a first diode is arranged between each receiving signal line and the corresponding electrically connected receiving electrode channel, and a second diode is arranged between each transmitting signal line and the corresponding electrically connected transmitting electrode channel.

The invention relates to a three-dimensional multi-point type touch screen based on a pressure sensor. The three-dimensional multi-point type touch screen based on the pressure sensor comprises a capacitive touch screen body and a capacitive touch screen control chip, wherein the back surface of the capacitive touch screen body is provided with a film pressure sensor; the film pressure sensor is connected with a main control chip via a pressure sensor interface chip; the main control chip is connected with the capacitive touch screen control chip; a touch pressure value detected by the film pressure sensor is transmitted to the main control chip via the pressure sensor interface chip; the touch point number and the position information for capacitive touch screen touch are transmitted to the main control chip via the capacitive touch screen control chip; and according to the input information of the pressure sensor interface chip and the capacitive touch screen control chip, the touch point number, the touch position and the corresponding touch pressure of the touch operation of the capacitive touch screen body can be obtained by the main control chip. The three-dimensional multi-point type touch screen based on the pressure sensor, which is disclosed by the invention, has a simple and compact structure and is safe and reliable, the touch detection precision is improved, and the three-dimensional multi-point type touch operation detection is realized.