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

Integrated touch control organic light emitting diode display device

The invention provides an integrated touch control organic light emitting diode display device comprising a display device which is arranged in a display area; a film packaging layer which covers the display device of the display area; a touch control device which comprises a touch control electrode which is arranged in the display area and a touch control wire which is arranged in a non-display area, wherein at least a part of touch control wire is arranged at the same layer of a first metal layer and a second metal layer; and a shielding electrode which covers the touch control wire and is insulated from the touch control device, wherein the shielding electrode is electrically connected with a fixed potential. Appearance of false alarm points can be prevented without additionally arranging the film layer so as to enhance the accuracy of touch control.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Touch display panel and manufacturing method thereof

Embodiments of the invention provide a touch display panel and a manufacturing method thereof, relate to the technical field of touch displaying and aim to reduce resistance of touch electrodes, improve signal lag and increase touch precision accordingly. The touch display panel comprises an array substrate and a color film substrate abutted to each other. The touch display panel further comprises a group of parallel first electrode lines arranged on the array substrate or the color film substrate, and a group of parallel second electrodes; the second electrode lines arranged on the array substrate or the color film substrate intersect with the first electrode lines for arraignment; the first electrode lines are non-electrically connected with the second electrode lines. The first electrode lines and / or the second electrode lines correspond to a black array of the color film substrate in position; the first electrode lines and / or the second electrode lines corresponding to the black array in position are metal electrode lines. The touch display panel and the manufacturing method thereof are applicable to manufacturing of touch display devices.
Owner:BOE TECH GRP CO LTD

Touch control panel and touch control display device

The invention discloses a touch control panel. The touch control panel comprises a plurality of touch control electrode blocks and touch control signal lines which are used for being electrically connected with the touch control electrode blocks, wherein each touch control electrode block is electrically connected with at least two touch control signal lines, and corresponding touch control signal lines of each touch control electrode block are electrically connected through at least one conducting wire segment. According to the touch control panel, each touch control electrode block is electrically connected with at least two touch control signal lines, and the corresponding touch control signal lines of each touch control electrode block are electrically connected through at least one conducting wire segment, so that the technical problem that the touch control of corresponding touch control electrode blocks is in failure due to the fracture of the touch control signal lines electrically connected with the touch control electrode blocks is solved, and the effect of increasing product yield and improving touch control reliability is realized.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1

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

Pixel circuit, driving method, display module, driving method and display device

The invention provides a pixel circuit, a driving method, a display module, a driving method and a display device. The pixel circuit comprises a touch pixel driving sub-circuit. The touch pixel driving sub-circuit comprises a pixel driving unit, a control unit and a light sensation touch unit. The light sensation touch unit outputs a touch induction current signal. The pixel driving unit is used for extracting a threshold voltage signal of driving transistors included in the pixel driving unit and outputting the threshold voltage signal. The control unit controls whether the output end of the touch induction current signal is connected with a touch display signal line or not under control of a touch reading control side and controls whether the compensating signal output end is connected with the touch display signal line or not under control of a display compensating control side. Process steps are reduced, and touch precision is high.
Owner:BOE TECH GRP CO LTD

Active capacitance pen

The invention discloses an input device. The input device comprises a touch control unit and an information processing unit connected with the touch control unit; the touch control unit comprises a touch control signal receiving end which is in contact with a touch control screen terminal and a pressure sensor connected with the touch control signal receiving end; the information processing unit comprises an information transceiving unit, which is used for transmitting touch control information, and a gesture sensor, which is connected with the information transceiving unit to obtain the position information of the input device, and the position information is corrected according to deformation information generated by the contact between the touch control screen terminal and the touch control unit. According to the input device provided by the invention, errors generated by the deformation caused by the contact between a touch control head and a touch control screen can be further considered, the errors can be compensated, and a more flexible compensation form can be preserved for the compensation; and furthermore, an energy conversion circuit can be arranged to maximally bring effect of an orientating sensor into play, so that an optimized engineering design is provided.
Owner:WUHAN JINGCE ELECTRONICS GRP CO LTD

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

OLED display panel and touch panel

The invention provides an OLED display panel and a touch panel. The touch panel comprises a linear polarizer, a 1 / 2 wave plate layer, a 1 / 4 wave plate layer and a touch electrode layer, wherein the 1 / 2 wave plate layer is formed on one side of the linear polarizer, the 1 / 4 wave plate layer is formed on one side, away from the linear polarizer, of the 1 / 2 wave plate layer, the touch electrode layer is formed on one side, away from the linear polarizer, of the 1 / 4 wave plate layer and comprises a plurality of touch electrodes, and the touch electrodes are meshed metal grids. The OLED display panel and the touch panel have the advantages that panel reflectivity is reduced, and panel touch precision is increased at the same time.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1

Infrared expanded light source type multipoint touch system

The invention provides an infrared expanded light source type multipoint touch system which is an infrared expanded light source type multipoint touch screen capable of realizing single-point or multipoint touch control. The infrared expanded light source type multipoint touch system comprises a display device module, at least one infrared light source, at least one optical device, at least one infrared receiver and a positioning module, wherein the infrared light source is arranged at the position a certain distance from the outer surface of the display device module and used as the light source of the multipoint touch screen; the optical device is used as the beam expanding optical device of the infrared light source to form an infrared planar illuminating beam; the infrared receiver is used for receiving the infrared light emitted by the infrared light source and the infrared light reflected after the touch screen is touched; and the positioning module is used for positioning the touch position according to the touched image received by the infrared receiver, thereby realizing single-point or multipoint touch control.
Owner:NLIGHTEN TRADING SHANGHAI

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 screen projection display device

A touch screen projection display device comprises a rear projection screen, an infrared touch frame, a projector set and a control device. The projector set projects a plurality of images to the curtain, and edges of adjacent images are overlapped. A photo sensitive assembly obtains brightness of all points of the curtain to generate corresponding sensing signals and sends the sensing signals to the control device. The control device obtains the images in the overlap areas of all the images of the curtain according to the sensing signals, the projector set is controlled to perform homogenization treatment on the brightness of all the points of the curtain according to the overlap areas, the plurality of images are combined into a seamless integral picture, the size of the curtain is extended into 120 inches to 300 inches, a large seamless curtain is realized, a displayed image is continuous and distortionless, a user can observe conveniently, and the use convenience is improved.
Owner:湖南德翰信息科技有限公司

Touch screen with infrared rays transmitted inside screen body and method for identifying touch points

ActiveCN102622135ASolve the problem of suspension heightAchieve borderlessInput/output processes for data processingInfraredTouchscreen
The invention discloses a touch screen with infrared rays transmitted inside a screen body and a method for identifying touch points. In the touch screen, the infrared rays sent out by an infra-red emission unit ripe into the touch screen body, are totally reflected by an upper reflecting surface and a lower reflecting surface inside the touch screen body, and are transmitted into the infrared receiving unit. According to the invention, the infrared rays are transmitted inside the touch screen body by using the total reflection principle, and a touch body is enabled to be clung to the surface of the touch screen to generate touch response, so that the problem of touch floating height is solved; and since the infrared rays are transmitted inside the touch screen, the infra-red emission unit is not required to be placed on the surface of the touch screen. Therefore, an edge frame free touch screen is realized.
Owner:GENERALTOUCH TECH

Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen

InactiveCN102622133ALower suspension heightImprove anti-light interference performanceInput/output processes for data processingInterference resistanceLight guide
The invention discloses an infrared touch screen for changing infrared light transmission paths and a touch point recognizing method for the infrared touch screen. In the touch screen, infrared light emitted by an infrared emission unit positioned on a non-touch face of the touch screen is changed in ray transmission direction by an emitting light guide unit prior to being transmitted to a touch face to form an infrared ray optical network, and then is changed in ray transmission direction by a receiving light guide unit prior to being transmitted to an infrared receiving unit of a non-touch face of the touch screen. By the aid of the infrared touch screen and the method, touch suspension height of the infrared touch screen is decreased, light interference resistance of the infrared touch screen is enhanced, and the protruded height and width of the edge of the touch face of the infrared touch screen are decreased.
Owner:GENERALTOUCH TECH

Touch panel and touch display device comprising the same

A touch panel including a substrate having a first edge and a second edge adjacent to the first edge, wherein a central touch area and a first peripheral touch area are disposed on the substrate; a plurality of first touch electrodes disposed on the central touch area; a plurality of second and third touch electrodes disposed on the first peripheral touch area; and a fourth touch electrode disposed on the first peripheral touch area closest to an intersecting portion of the first edge and the second edge, wherein an area of at least one first touch electrode is greater than that of at least one second touch electrode and that of at least one third touch electrode, and an area of at least one second touch electrode and that of at least one third touch electrode are both greater than that of the fourth touch electrode.
Owner:INNOLUX CORP

Touch control response method of wearable equipment, touch control response device of wearable equipment and wearable equipment

The invention discloses a touch control response method of wearable equipment, a touch control response device of the wearable equipment and the wearable equipment. The wearable equipment can feed back the touch control operation effect to a user in real time, and the touch control accuracy of the wearable equipment can be improved. The touch control response method of the wearable equipment comprises the following steps of: obtaining position information, collected by binocular recognition equipment, of a target fingertip in a set touch control action generating region; determining position information of a mapping point mapped by the target fingertip on a screen of the wearable equipment according to the position information of the target fingertip; and displaying a cursor on the mapping point on the screen of the wearable equipment.
Owner:BOE TECH GRP CO LTD

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

Touch substrate, manufacturing method thereof and touch display device

The invention discloses a touch substrate, a manufacturing method thereof and a touch display device and belongs to the technical field of touch control. The touch substrate comprises a touch area and a peripheral area which are located on the substrate. The peripheral area comprises at least one signal line and at least one shielding line, and the shielding line is used for shielding interference of the signal line on the capacitance of the touch area. By means of the touch substrate, interference of the signal line on the touch area can be shielded, and the problem that the capacitance of a touch substrate is not uniform in distribution is alleviated.
Owner:BOE TECH GRP CO LTD +1

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

Touch sensing panel

Provided is a touch sensing panel including a substrate that includes a touch electrode formation area and an active area formed within the touch electrode formation area; a plurality of first conductive electrode serials that are arranged on the touch electrode formation area of the substrate in such a manner that the first conductive electrode serials are separated from one another along a first direction; a plurality of second conductive electrode serials that are arranged on the touch electrode formation area of the substrate in such a manner that the second conductive electrode serials are separated from one another along a second direction intersecting the first direction and that are electrically insulated from the first conductive electrode serials; and a plurality of sensing nodes that are positioned at crossings of the first conductive electrode serials and the second conductive electrode serials.
Owner:LG DISPLAY CO LTD

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 screen and touch control device

The present invention discloses a touch screen, which comprises a plurality of touch control electrode units and touch control electrode leads, wherein each of the touch control electrode units comprises one touch control driving electrode and M touch control sensing electrodes, and the touch control electrode leads comprise multiple touch control driving electrode leads and M touch control sensing electrode leads, each touch control driving electrode lead being correspondingly connected to each touch control driving electrode, and each of the M touch control sensing electrode leads being connected to one of the M touch control sensing electrodes in each of the touch control electrode units, wherein M is a positive integer greater than or equal to 5. Compared to the prior art, the touch screen according to the present invention has the advantages of effectively reducing the number of touch control driving electrodes while keeping the touch control precision unchanged, thereby effectively reducing the number of pins by 40%-50%; and improving touch control sensitivity with the same number of pins.
Owner:BOE TECH GRP CO LTD +1

Display panel and display device

A display panel and a display device are provided. The display panel includes a substrate, a thin film transistor layer, an organic light emitting diode (OLED) layer, a thin film encapsulation layer, a first common electrode layer, a cover plate, and conductive lines. An area without touch function of the display panel is eliminated by disposing the conductive lines at a side of the first common electrode plate, placing the conductive lines and the first common electrode plate respectively on two film layers, and electrically connecting with each other via through holes of an insulation layer.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Touch display panel and display device

The embodiment of the invention discloses a touch display panel and a display device. The touch display panel comprises a plurality of multi-path selection units, wherein the input end of one multi-path selection unit and one touch source line are correspondingly arranged and electrically connected, the multi-path selection unit is provided with m output ends, and the m output ends of one multi-path selection unit are electrically connected with the touch line sets corresponding to the m adjacent touch electrode blocks in one column respectively. A non-display area further comprises m common voltage source lines and m common voltage switch control lines, and the ith common voltage switch control line controls transmission paths of multiple common voltage line sets corresponding to the ithcommon voltage source line and the (km + i)th row of touch electrode blocks to be conducted or cut off at the same time. In the touch stage, at least one touch line group transmits a touch signal, andat least one common voltage switch control line controls the common voltage source line corresponding to the touch line group to transmit a first voltage signal to the common voltage line group. Theembodiment of the invention realizes a narrow frame.
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

Display apparatus having touch screen

A display apparatus having a touch screen can include a display area and a non-display area; a plurality of first touch electrodes in the display area; a plurality of second touch electrodes crossing over the plurality of first touch electrodes; a gate driver in the non-display area and configured to generate gate signals; a switching unit in the non-display area of the display panel and configured to be controlled based on the gate signals; at least one touch signal supply line in the non-display area of the display panel and configured to supply a touch driving signal to the switching unit; a plurality of first touch routing lines in the non-display area and configured to receive the touch driving signal from the switching unit and supply the touch driving signal to the plurality of first touch electrodes; and a plurality of second touch routing lines in the non-display area of the display panel and configured to sense the plurality of second touch electrodes.
Owner:LG DISPLAY CO LTD

Touch control display module

The invention provides a touch control display module. The touch control display module comprises a cover plate, an upper polarizer, a lower polarizer, an upper substrate and a lower substrate, the upper substrate and the lower substrate are located between the upper polarizer and the lower polarizer, a liquid crystal layer is clamped between the upper substrate and the lower substrate, the touch control display module further comprises a first electrode layer and a second electrode layer, and a first conducting unit located on a first electrode string and a second conducting unit located on a second electrode string are arranged in a mutually-complementary mode. By means of the touch control display module, the haze problem caused by nanometer silver wires can be effectively lowered. The touch control display module has the advantages of being simple in process, good in display effect and the like.
Owner:TPK TOUCH SOLUTIONS (XIAMEN) INC

Method for improving touch precision of infrared touch screen

The invention relates to a method for improving the touch precision of an infrared touch screen. When two touch points have a long distance, the starting boundary, the termination boundary and the width of each touch point in each frame of data can be directly obtained. The width value of each touch point is generally not changed in the moving process, so when the shielding regions of the two touch points are merged into a whole as the distance between the two touch points is near, the boundary information of each touch point can be obtained through calculation according to the starting boundary and the termination boundary of the integral touch shielding region through combining the width of each touch point in a historical frame, so the two touch points with a short distance can be distinguished, the touch point jumping can be prevented, and the touch precision of the infrared touch screen can be improved.
Owner:BEIJING UNITOP NEW TECH CO LTD
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