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182results about How to "Improve touch precision" patented technology

Array substrate, display panel and display device

The invention discloses an array substrate, a display panel and a display device. The array substrate comprises a touch control layer, multiple touch control electrode lead wires and a shielding layer, wherein the touch control electrode lead wires are in electric connection with the touch control layer, and the touch control electrode lead wires extend to a non-display area of the array substrate; the shielding layer is arranged between a touch surface and the touch control electrode lead wires, wherein overlapping areas exist in the parts, located in the non-display area, of the shielding layer and the touch control electrode lead wires, and the shielding layer and the touch control electrode lead wires are insulated relative to one another. According to the technical scheme of the array substrate, the shielding layer is arranged between the touch surface and the touch control electrode lead wires so that interference of a hand or the external environment on the parts, located in the non-display area, of the touch control electrode lead wires can be weakened, it is guaranteed that the electrode lead wires transmit signals normally, and the touch control effect and the touch control precision of the display device are further improved; in addition, through the arrangement of the shielding layer, the touch control electrode lead wires covered with the shielding layer can be further protected from being damaged by static electricity, so that no damage is caused.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1

Liquid crystal display panel and manufacturing method and display device thereof

The embodiment of the invention provides a liquid crystal display panel and a manufacturing method and a display device thereof, and relates to the field of manufacturing of liquid crystal displays, wherein the thickness of a touch display panel can be reduced, and the touch precision and light transmittance can be improved. The display panel comprises a color-film substrate and an array substrate, wherein liquid crystal is filled between the color-film substrate and the array substrate; the color-film substrate comprises a substrate, a color-film layer, a first insulating layer, a first conductive signal wire, partition objects, a second insulating layer and a second conductive signal wire, wherein the color-film layer is on the substrate and the first insulating layer covers the color-film layer; the first conductive signal wire is on the first insulating layer; the partition objects are made of force sensitive resistance material and are evenly arranged on the first conductive signal wire; the second insulating layer covers the first conductive signal wire, the first insulating layer and the partition objects made of force sensitive resistance material; the second conductive signal wire is formed on the second insulating layer and intersected with the first conductive signal wire; and the second conductive signal wire passes through a through hole to be contacted with the other end of the partition object made of force sensitive resistance material. The embodiment of the invention is applied to manufacture of liquid crystal displays.
Owner:BOE TECH GRP CO LTD +1

Array substrate, touch control panel and touch control displayer

InactiveCN107490886AImprove touch precisionReduce the difference in interference capacitanceSolid-state devicesNon-linear opticsCapacitanceControl signal
The invention discloses an array substrate, a touch control panel and a touch control displayer. According to the technical purposes, the difference of the capacitance when touch control electrodes of the touch control display panel are interfered is reduced, and the touch control precision of the touch control display device is improved. The array substrate in the embodiment comprises a display area and a non-display area, the display area is provided with a plurality of pixel units arranged in an array mode, thin film transistors which correspond to the pixel units one to one, a plurality of data lines, a plurality of scanning lines and the touch control electrodes, wherein the data lines and the scanning lines are arranged in an isolated and crossed mode, and the touch control electrodes are arranged in an array mode. The non-display area is provided with a drive chip, and each touch control electrode is connected with the drive chip through at least one touch control signal line, wherein the relation between the length m of the array substrate in the extending direction of the data lines and the length n of the array substrate in the extending direction of the scanning direction meets the relational expression, namely m:n >=2:1, and the touch control signal lines extend to the non-display area in the extending direction of the scanning lines and are connected to the drive chip along the non-display area.
Owner:SHANGHAI AVIC OPTOELECTRONICS

Touch pad of capacitive touch screen and manufacturing method thereof

The invention provides a touch pad of a capacitive touch screen and a manufacturing method thereof. The touch pad of the capacitive touch screen comprises a first group of conductive film lines and a second group of conductive film lines which are distributed on a substrate. Insulating film lines are arranged at intersections of the first and second groups of conductive film lines, wherein the upper surfaces of the insulating film lines are provided with a third group of conductive film lines which connects the second group of conductive film lines; and the narrowest part of the first group of conductive film lines is provided with a fourth group of conductive film lines. Compared with the prior art, the touch pad greatly reduces the resistance of the first group of conductive film lines by arranging the fourth group of conductive film lines on the narrowest part of the first group of conductive film lines, and greatly reduces the resistance of the second group of conductive film lines by adopting the third group of conductive film lines with low resistance to bridge the second group of conductive film lines. Therefore, the resistance of the first and second groups of conductive film lines is effectively reduced, a resistance difference between the first and second groups of conductive film lines is simultaneously reduced, and the touch performance of the touch screen is improved.
Owner:深圳市中显微电子有限公司

Display panel and display device

ActiveCN110286803ALarge coverage areaAvoid the problem of large parasitic capacitanceInput/output processes for data processingDisplay deviceParasitic capacitance
The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and improves the touch precision and mechanical strength of the display panel on the premise of reducing parasitic capacitance of a touch layer and a first electrode. The display panel comprises a pixel definition layer, a light-emitting unit, a first supporting column and a touch layer. The light-emitting unit comprises a first electrode, a light-emitting layer and a second electrode. The first supporting column is located between the pixel defining layer and the first electrode, and the first supporting column is located in the non-opening area of the pixel defining layer; the first electrode covers the light-emitting layer and the first supporting column; the touch layer is located on the side, away from the pixel defining layer, of the first electrode. The touch layer comprises a hollow part, and a first part and a second part which are connected with each other; the orthographic projection of the first part and the orthographic projection of the hollow part are overlapped with the orthographic projection of the first supporting column, the orthographic projection of the second part is not overlapped with the orthographic projection of the first supporting column, and the area of the orthographic projection of the overlapped part of the first part and the first supporting column is smaller than that of the orthographic projection of the first supporting column.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Touch pen, touch panel, touch system and touch method

The invention discloses a touch pen, a touch panel, a touch system and a touch method. The touch pen comprises a processor, a first emitting electrode, a second emitting electrode and a third emittingelectrode, wherein the first emitting electrode, the second emitting electrode and the third emitting electrode are independently distributed in the extending direction of a stylus point of the touchpen. The processor comprises a processing unit and a transmitting circuit. The processing unit controls the first transmitting electrode to transmit a first signal, a second signal and a third signalthrough the transmitting circuit according to a first frequency, the second transmitting electrode to transmit a second frequency and the third transmitting electrode to transmit a third signal according to a third frequency. The first signal, the second signal and the third signal are received, so that the touch panel obtains space vector coordinates and/or direction angles of the stylus according to the received first signal, second signal and third signal; wherein the positions of the first emitting electrode, the second emitting electrode and the third emitting electrode are not on the same straight line, and the first frequency, the second frequency and the third frequency are co-prime frequencies. According to the embodiment provided by the invention, the touch precision of the active touch pen can be improved.
Owner:BOE TECH GRP CO LTD +1

Array substrate and display device

An embodiment of the invention discloses an array substrate and a display device. The array substrate comprises a substrate body, and multiple scanning lines and multiple data lines are arranged on the substrate body to form multiple subpixels in intersection; pixel electrodes arranged in the subpixels include multiple stripline electrodes, long axes of the stripline electrodes in the same row ofthe subpixels are parallelly mutually, and the long axes of the stripline axles in any two rows of the subpixels extend in intersection; each touch electrode is electrically connected with at least one touch signal line, each touch signal line comprises multiple straight line parts and multiple folding line parts, the two neighboring straight line parts are connected through the folding line parts, the straight line parts are parallel to the long axles of the stripline electrodes located in the same raw of the subpixels, extending lines of the folding line parts interact the long axes of the stripline electrodes, and orthographic projection of the folding line parts on the substrate body overlap with that of the scanning lines on the substrate while the folding line parts are not perpendicular to the scanning lines. By the arrangement, the problem that display effect is affected by uneven pressure.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Touch display panel and preparation method thereof as well as display device

The invention provides a touch display panel and a preparation method thereof as well as a display device, belonging to the field of a touch screen display. The touch display panel comprises an array substrate and the array substrate is provided with a plurality of grid wires and a plurality of public electrode wires; the touch display panel further comprises a plurality of optical sensing units arranged on the array substrate, an optical sensing control wire arranged on the array substrate, an optical sensing signal wire arranged on the array substrate and a voltage supply unit, wherein each optical sensing unit comprises an optical sensing TFT (Thin Film Transistor); a grid electrode and a drain electrode of the optical sensing TFT are connected with the optical sensing control wire; the optical sensing signal wire is crossly arranged with the optical sensing control wire; one end of the optical sensing signal wire is connected with the optical sensing units and is used for outputting an optical sensing signal; and the voltage supply unit is used for providing stable voltage to the optical sensing TFT through the optical sensing control wire. The technical scheme disclosed by the invention can improve touch precision and accuracy.
Owner:BOE TECH GRP CO LTD +1
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