CN214586842U - LED touch display panel, LED display screen and electronic equipment - Google Patents

Abstract

The utility model provides a LED touch-control display panel, LED display screen and electronic equipment, this LED touch-control display panel includes base plate, a plurality of LED luminescent device and sensing pattern, the spaced setting in the base plate of a plurality of LED luminescent device, the sensing pattern includes that many drives to walk line and many induction run the line, many drives to walk the line and many induction run the line and all set up the clearance between a plurality of LED luminescent device, and drive to walk the line and the induction is walked the line and is insulated and orthographic projection on the base plate is alternately. The sensing patterns are formed by arranging the plurality of driving wires and the plurality of sensing wires, and the plurality of driving wires and the plurality of sensing wires are arranged in gaps among the plurality of LED light-emitting devices, so that the touch function can be realized on the basis of not increasing the thickness and the frame width of the LED touch display panel, and the miniaturization and the light and thin of the LED touch display panel are favorably realized.

Description

LED touch display panel, LED display screen and electronic equipment

Technical Field

The utility model relates to a LED display screen technical field especially relates to a LED touch-control display panel, LED display screen and electronic equipment.

Background

With the continuous development of LED display technology, LED display screens are applied in more and more scenes, and the demand of people for interactive operation of LED display screens is becoming higher and higher. Among them, the most prominent is touch operation. The LED touch screen generally comprises an LED screen and a touch structure, and the touch structure is generally arranged in a non-display area or on the surface of the LED screen in the current LED touch screen so as to reduce the occupied area of the display area. However, the touch structure is not favorable for the narrow frame and miniaturization design of the display device when being disposed in the non-display area, and the thickness of the display device is increased when being disposed on the surface of the LED screen, which is not favorable for the light and thin design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LED touch-control display panel, LED display screen and electronic equipment are favorable to realizing miniaturization and frivolousization.

For realizing the purpose of the utility model, the utility model provides a following technical scheme:

in a first aspect, the utility model provides a LED touch-control display panel, LED touch-control display panel includes base plate, a plurality of LED luminescent device and sensing pattern, and is a plurality of LED luminescent device spaced set up in the base plate, the sensing pattern includes that many drives to walk line and many to respond to and walk the line, many the line is walked with many to the drive the line is all set up in a plurality of clearance between the LED luminescent device, just the drive walk the line with the line is walked in response insulating and in orthographic projection on the base plate is alternately.

In one embodiment, the driving traces and the sensing traces are perpendicular to an orthographic projection of the substrate.

In one embodiment, a bonding pad is disposed on the substrate, the LED device is soldered to the bonding pad, and the sensing pattern is disposed on a layer where the bonding pad is located, or the sensing pattern is disposed on a layer where the LED device is located.

In one embodiment, the plurality of LED light emitting devices are arranged in a plurality of rows and columns, the plurality of driving wires are parallel to each other, and the plurality of sensing wires are parallel to each other.

In one embodiment, two adjacent driving traces or two adjacent sensing traces are separated by 1 or more LED light emitting devices.

In one embodiment, the plurality of driving wires and the plurality of sensing wires are disposed on the same layer, or the plurality of driving wires are disposed on a first layer, the plurality of sensing wires are disposed on a second layer, and a first insulating layer is further disposed between the first layer and the second layer.

In one embodiment, the first insulating layer includes a plurality of insulating dots, and the insulating dots coincide with intersections of the driving traces and the sensing traces in an orthographic projection of the substrate.

In one embodiment, the LED touch display panel further includes a second insulating layer disposed on the substrate, and the sensing pattern is disposed on a side of the second insulating layer facing away from the substrate or between the second insulating layer and the substrate.

In one embodiment, the substrate includes a first surface and a second surface opposite to each other, the LED light emitting device is disposed on the first surface, the LED touch display panel further includes a connection trace and a controller, the controller is disposed on the second surface, and the connection trace connects the sensing pattern and the controller.

In one embodiment, the connection trace includes a first connection trace and a second connection trace, the first connection trace connects the driving trace and the controller, and the second connection trace connects the sensing trace and the controller.

In one embodiment, the substrate is provided with a through hole, and the connection trace is disposed through the through hole and extends from the first surface to the second surface.

In one embodiment, the substrate further includes a side surface connecting the first surface and the second surface, and the connection trace extends along the first surface toward the second surface through the side surface.

In one embodiment, the LED touch display panel further includes a touch circuit layer, the connecting traces are connected to the touch circuit layer, and the touch circuit layer is disposed on the second surface.

In one embodiment, the touch circuit layer is further used for transmitting circuit signals.

In a second aspect, the present invention provides an LED display screen, which includes an LED touch display panel as in any one of the embodiments of the first aspect.

In a third aspect, the present invention provides an electronic device, comprising a LED display screen according to the second aspect.

The sensing patterns are formed by arranging the plurality of driving wires and the plurality of sensing wires, and the plurality of driving wires and the plurality of sensing wires are arranged in gaps among the plurality of LED light-emitting devices, so that the touch function can be realized on the basis of not increasing the thickness and the frame width of the LED touch display panel, and the miniaturization and the light and thin of the LED touch display panel are favorably realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of an LED touch display panel according to an embodiment;

FIG. 2 is an orthographic view of an embodiment of a sensing pattern on a substrate;

FIG. 3 is a cross-sectional view of another embodiment of an LED touch display panel;

FIG. 4 is an orthographic view of another embodiment of a sensing pattern on a substrate;

FIG. 5 is an orthographic view of another embodiment of a sensing pattern on a substrate;

FIG. 6 is a schematic diagram illustrating a trace layout of a sensing pattern according to an embodiment;

FIG. 7 is a schematic diagram illustrating a trace layout of a sensing pattern according to another embodiment;

FIG. 8 is a schematic structural diagram of a sensing pattern according to an embodiment;

FIG. 9 is a schematic structural diagram of a sensing pattern according to another embodiment;

FIG. 10 is a cross-sectional view of another embodiment of an LED touch display panel;

FIG. 11 is a cross-sectional view of another embodiment of an LED touch display panel;

FIG. 12 is a cross-sectional view of another embodiment of an LED touch display panel;

fig. 13 is a cross-sectional view of an LED touch display panel according to another embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Please refer to fig. 1 and 2, the utility model provides a LED touch display panel, LED touch display panel includes base plate 10, a plurality of LED luminescent device 20 and sensing pattern 30, the spaced setting in base plate 10 of a plurality of LED luminescent device 20, sensing pattern 30 includes that many drives to walk line 31 and many induction lines 32, many drives to walk line 31 and many induction lines 32 and all set up the clearance between a plurality of LED luminescent device 20, and drive to walk line 31 and induction lines 32 and insulating and orthographic projection on base plate 10 is alternately.

Specifically, the substrate 10 may be a transparent glass substrate or other transparent plastic substrate with high strength and high hardness, such as Polycarbonate (PC), Polyester (PET), polymethyl methacrylate (PMMA), Cyclic Olefin Copolymer (COC), or Polyether sulfone (PES). The LED light emitting devices 20 may be LED chips or LED light emitting diodes, and the LED light emitting devices 20 are disposed on the surface of the substrate 10 at intervals and arranged in an array along the row and column directions. First gaps are formed between two adjacent rows of the LED light emitting devices 20, and a plurality of the first gaps formed between the rows of the LED light emitting devices 20 are parallel to each other. Similarly, a second gap is formed between two adjacent columns of the LED light emitting devices 20, and a plurality of second gaps formed between the LED light emitting devices 20 in the columns are parallel to each other.

The driving wires 31 are disposed in the first gaps, and the sensing wires 32 are disposed in the second gaps. It can be understood that the arrangement directions of the plurality of driving wires 31 and the plurality of sensing wires 32 can be switched, and therefore, in other embodiments, the plurality of driving wires 31 are all disposed in the plurality of second gaps, and the plurality of sensing wires 32 are all disposed in the plurality of first gaps. The driving traces 31 and the sensing traces 32 can be formed on the substrate 10 by laser or exposure development process together with other traces on the substrate 10, or conductive material can be filled into the gaps between the LED light emitting devices 20 by injection molding, coating, dispensing, spraying, or the like in the packaging process to form traces. It can be understood that since the first gaps are parallel to each other and the second gaps are parallel to each other, the driving traces 31 are parallel to each other and the sensing traces 32 are parallel to each other. The orthographic projections of the driving traces 31 and the sensing traces 32 on the substrate 10 are crossed, a capacitance node is formed at the crossing position, and the plurality of driving traces 31 and the plurality of sensing traces 32 are insulated from each other, so that a mutual capacitance structure is formed. When an external object touches the LED touch display panel, the capacitance change of the node of any one of the driving trace 31 or the sensing trace 32 will cause the capacitance change of the node of the other wire, and the coordinate value of the touch point can be determined according to this principle. The external object may be a finger, a touch pen couple, or other objects capable of causing capacitance changes of the driving trace 31 and the sensing trace 32.

The sensing patterns 30 are formed by arranging the plurality of driving wires 31 and the plurality of sensing wires 32, and the plurality of driving wires 31 and the plurality of sensing wires 32 are arranged in gaps among the plurality of LED light-emitting devices 20, so that a touch function can be realized on the basis of not increasing the thickness and the frame width of the LED touch display panel, and the miniaturization and the lightness of the LED touch display panel are favorably realized.

In one embodiment, referring to fig. 2, the orthogonal projection of the driving trace 31 and the sensing trace 32 on the substrate 10 is perpendicular. Specifically, the plurality of LED light emitting devices 20 are arrayed along the row and column direction, a first gap formed by the plurality of rows of LED light emitting devices 20 extends along the row direction, a second gap formed by the plurality of columns of LED light emitting devices 20 extends along the column direction, and the driving trace 31 and the sensing trace 32 are respectively disposed in the first gap and the second gap, so the driving trace 31 and the sensing trace 32 extend along the row direction and the column direction, and projections of the driving trace 31 and the sensing trace 32 on the substrate 10 are perpendicular to each other, thereby forming a plurality of sensing squares arrayed along the row direction and the column direction, when an external object touches the LED touch display panel, a change in coupling capacitance between the driving trace 31 and the sensing trace 32 is caused, and a position of the sensing square where a touch point is located can be determined according to a change in capacitance. By making the orthographic projections of the driving traces 31 and the sensing traces 32 perpendicular on the substrate 10 to form a plurality of sensing squares arrayed in the row direction and the column direction, the coordinate values of the touch points can be determined accurately and quickly.

In one embodiment, referring to fig. 2 and 3, a bonding pad 40 is disposed on the substrate 10, the LED light emitting device 20 is soldered to the bonding pad 40, and the sensing pattern 30 is disposed on a layer of the bonding pad 40. Specifically, the pad 40 is a surface mount component, and is used for mounting an electronic device on the surface of the substrate 10, and includes an anode pad and a cathode pad, each LED light emitting device 20 includes an anode pin and a cathode pin, the anode pin is welded to the anode pad, and the cathode pin is connected to the cathode pad. For the same LED lighting device 20, the positive bonding pad and the negative bonding pad are disposed at an interval to achieve the purpose of insulation. For different LED light emitting devices 20, corresponding pads 40 are provided at intervals to prevent a short circuit. The driving trace 31 and the sensing trace 32 are disposed in a gap between adjacent pads 40, and constitute a sensing pattern 30. The sensing patterns 30 are arranged in the gaps of the bonding pads 40, so that the sensing patterns and the bonding pads 40 are located on the same layer, a touch sensing layer is not required to be additionally arranged, the thickness of the LED touch display panel is prevented from being increased, and the LED touch display panel is light and thin.

In another embodiment, referring to fig. 1 and fig. 2, the sensing patterns 30 are disposed on a layer where the LED light emitting device 20 is located. Specifically, the plurality of LED light emitting devices 20 are arranged in an array along the row direction and the column direction, and two adjacent LED light emitting devices 20 are arranged at intervals, so as to form a plurality of gaps staggered along the row direction and the column direction, the driving wires 31 and the sensing wires 32 are arranged in the plurality of gaps to form the sensing patterns 30, so that the sensing patterns 30 and the LED light emitting devices 20 are arranged on the same layer, a touch function can be realized without additionally increasing a sensing layer, the thickness of the LED touch display panel is prevented from being increased, and the light and thin design is facilitated.

In one embodiment, referring to fig. 4 and fig. 5, two adjacent driving traces 31 or sensing traces 32 are separated by more than 1 LED light emitting device 20. Specifically, as shown in fig. 4, two LED light emitting devices 20 are spaced between two adjacent driving traces 31. As shown in fig. 5, two adjacent sensing traces 32 are spaced by 3 LED light emitting devices 20. The size of the interval between two adjacent driving traces 31 and two adjacent sensing traces 32 can be set according to the requirement of identification precision, and the higher the requirement of precision identification of the LED touch display panel is, the smaller the interval between two adjacent driving traces 31 or two adjacent sensing traces 32 is. It is understood that in other embodiments, the driving trace 31 and the sensing trace 32 may be spaced apart by a plurality of LED light emitting devices 20. The setting method can be to set a dielectric layer in the gap with a preset spacing distance, or to form the dielectric layer by first forming a line network in the full gap and then performing isolation or open-circuit treatment on the specific dielectric layer by measures such as laser cutting. By adjusting the spacing distance between two adjacent driving wires 31 or sensing wires 32, the purpose of adjusting the touch precision of the LED touch display panel can be achieved as required, when the requirement on the control precision is low, the production efficiency can be improved, and the production cost can be saved.

In one embodiment, referring to fig. 2 and fig. 7, the plurality of driving traces 31 and the plurality of sensing traces 32 are located at the same layer, the plurality of driving traces 31 are arranged into a plurality of driving triangular blocks 311, the plurality of sensing traces 32 are arranged into a plurality of sensing triangular blocks 321, and one driving triangular block 311 and one sensing triangular block 321 form a rectangular sensing module 33. The plurality of sensing modules 33 are arranged in a matrix array on the substrate 10, and in each sensing module 33, the driving triangle blocks 311 and the sensing triangle blocks 321 are arranged at intervals. The LED touch display panel further includes a controller 70, via holes are formed in the substrate 10, and at least one wire of each driving triangular block 311 and each sensing triangular block 321 is connected to the controller 70 through the via holes. When an external object touches the surface of the LED touch display panel, the self-capacitance of the sensing module 33 changes, and a position of the touch point on the sensing module 33 can be calculated according to the triangle block gravity center calculation algorithm, so as to realize the touch positioning function.

In another embodiment, referring to fig. 8, the sensing pattern layer 30 includes a plurality of traces crossing in the row and column directions, the plurality of traces form a plurality of sensing rectangular blocks 34, and the plurality of sensing rectangular blocks 34 are arranged in a row-column array on the substrate 10. Vias are also formed in the substrate 10, and each sensing rectangular block 34 is connected to at least one via for connection to the controller 70 through the via. When an external object touches the surface of the LED touch display panel, the capacitance of the sensing rectangular block 34 changes to generate an electrical signal, and the electrical signal is transmitted to the controller 70 through the via hole to position the touch point.

It is understood that, in other embodiments, the plurality of driving traces 31 and the plurality of sensing traces 32 may also be in a structure disposed in a same layer in other arrangements, which is not limited herein.

In another embodiment, referring to fig. 1, 9 and 10, the driving traces 31 are located on a first layer, the sensing traces 32 are located on a second layer, a first insulating layer 61 is further disposed between the first layer and the second layer, and the first layer and the second layer form a mutual capacitance structure. In addition, the LED touch display panel further includes a controller 70 connected to the trace 50, and the driving traces 31 and the sensing traces 32 are connected to the controller 70 through the connecting trace 50. When an external object touches the LED touch display panel, the controller 70 determines the position of the touch point according to the variation of the coupling capacitance between the first layer and the second layer. The plurality of sensing wires 32 are respectively positioned on the first layer and the second layer through the plurality of driving wires 31, and the first layer and the second layer are insulated by the insulating layer 61 to form a mutual capacitance structure, so that the position of a touch point can be judged according to the change of the coupling capacitance when the LED touch display panel is touched.

In one embodiment, referring to fig. 2 and fig. 10, the first insulating layer 61 includes a plurality of insulating dots 610, and in an orthogonal projection of the substrate 10, the insulating dots 610 are overlapped with the intersections of the driving traces 31 and the sensing traces 32. Specifically, orthographic projections of the driving trace 31 and the sensing trace 32 intersect, and an insulating point 610 is disposed at the intersection between the driving trace 31 and the sensing trace 32 to form a mutual capacitance structure. When an external object touches the LED touch display panel, the coupling capacitance of the driving trace 31 and the sensing trace 32 at the intersection changes, so that the controller 70 determines the position of the touch point.

In an embodiment, referring to fig. 1, fig. 2 and fig. 3, the LED touch display panel further includes a second insulating layer 62 disposed on the substrate 10, and the sensing pattern 30 is disposed on a side of the second insulating layer 62 opposite to the substrate 10 or between the second insulating layer 62 and the substrate 10. As shown in fig. 1, the substrate 10 is covered with an insulating layer 62 to perform the functions of insulating the adjacent pads 40 and forming a protective layer of the substrate 10. The sensing pattern 30 is disposed on a side of the second insulating layer 62 opposite to the substrate 10, and when the sensing pattern 30 is a single-layer structure, the sensing pattern 30 is disposed in a gap of the light emitting device 20. When the driving traces 31 and the sensing traces 32 of the sensing pattern 30 are located at two different layers, at least one of the layers is disposed at the same layer as the LED light emitting device 20. As shown in fig. 3, the sensing pattern 30 is disposed on the substrate 10, and the second insulating layer 62 is disposed on a surface of the sensing pattern 30 opposite to the substrate 10 to insulate and protect the sensing pattern 30. Similarly, when the sensing pattern 30 has a single-layer structure, the sensing pattern 30 is disposed in the gap of the pad 40. When the driving trace 31 and the sensing trace 32 of the sensing pattern 30 are located on two different layers, at least one of the layers is disposed on the same layer as the pad 40. By providing the second insulating layer 62 on the substrate 10, protection and insulation are formed for the substrate 10. By disposing the second insulating layer 62 on the side of the sensing pattern 30 opposite to the substrate 10, the insulating and protecting functions of the sensing pattern 30 can be achieved.

In one embodiment, referring to fig. 1, the substrate 10 includes a first surface 11 and a second surface 12 opposite to each other, the LED light emitting device 20 is disposed on the first surface 11, the controller 70 is disposed on the second surface 12, and the connection trace 50 connects the sensing pattern 30 and the controller 70. When an external object touches the LED touch display panel, the sensing pattern 30 generates a touch signal and transmits the touch signal to the controller 70 through the connection trace 50. The controller 70 controls the turning on and off of the LED lighting device 20 according to the variation of the touch signal. The sensing pattern 30 and the controller 70 are connected through the connecting wire 50, and the LED light emitting device 20 and the controller 70 are respectively arranged on the first surface 11 and the second surface 12, so that the touch function is realized, the packaging of the LED touch display panel is facilitated, the frame width of the LED touch display panel is reduced, and the miniaturization requirement is met.

In one embodiment, referring to fig. 11, the connection trace 50 includes a first connection trace 51 and a second connection trace 52, the first connection trace 51 connects the driving trace 31 and the controller 70, and the second connection trace 52 connects the sensing trace 32 and the controller 70. When the sensing pattern 30 is a double-layer structure, the driving trace 31 is located on a first layer, the sensing trace 31 is located on a second layer, the stacking order of the first layer and the second layer is not limited, and an insulating layer 61 is disposed between the first layer and the second layer. When an external object touches the LED touch display panel, the sensing trace 32 transmits a sensing signal to the controller 70 through the second trace 52, and the driving trace 31 transmits a driving signal to the controller 70 through the first trace 51, so that the driving controller 70 determines the coordinate value of the touch point according to the sensing signal. Through setting up first line 51 intercommunication drive and walk line 31 and controller 70 to realize the drive and walk the transmission of drive signal between line 31 and the controller 70, second is walked line 52 intercommunication and is walked line 32 and controller 70, in order to realize the transmission of sensing signal between line 32 and the controller 70 of sensing, adopt two to walk the structure of line difference transmission signal, make mutual noninterference between two kinds of signals, and drive signal and sensing signal can the simultaneous transmission, can fix a position the touch point fast, the efficiency of LED touch-control display panel touch-sensitive has been improved.

In one embodiment, referring to fig. 1 and fig. 11, the substrate 10 is provided with a through hole 80, and the connection trace 50 is disposed through the through hole 80 and extends from the first surface 11 to the second surface 12. Specifically, when the driving trace 31 and the sensing trace 32 are disposed on one layer, the substrate 10 is etched to form a via 80, the via 80 penetrates through the first surface 11 and the second surface 12 of the substrate 10, and the connecting trace 50 is disposed in the via 80 to communicate the sensing pattern 30 with the controller 70, so as to implement signal transmission. As shown in fig. 9, when the driving trace 31 and the sensing trace 32 are located on different layers, a first via 81 and a second via 32 are provided on the substrate 10, the first via 81 penetrates through the layer where the sensing trace 32 is located, the substrate 10 and the first insulating layer 61, so as to communicate the driving trace 31 and the controller 70, and the first trace 51 is provided on the first via 81. The second via 82 penetrates the first surface 11 and the second surface 12 of the substrate 10, and the second trace 52 is disposed in the second via 82 to communicate the sensing trace 32 with the controller 70. Through etching the via hole 80 on the substrate 10, a mounting space is provided for the connecting trace 50, so that the connecting trace is prevented from being mounted on the surface of the substrate 10 to increase the thickness, and the LED touch display panel is light and thin.

In one embodiment, referring to fig. 12, the substrate further includes a side 13, the side 13 connects the first surface 11 and the second surface 12, and the connection trace 50 extends along the first surface 11 toward the second surface 12 through the side 13. Specifically, one end of the connection trace 50 is connected to the sensing pattern 30, the other end is connected to the controller 70, and the connection trace 50 is fixed on the side 13. By installing the connecting wires 50 on the side surface 13, transmission of driving signals and sensing signals is realized, via holes do not need to be etched on the substrate 10, the manufacturing process is simplified, and the packaging mode is simple.

In an embodiment, referring to fig. 13, the LED touch display panel further includes a touch circuit layer 90, the connecting traces 50 are all connected to the touch circuit layer 90, and the touch circuit layer 90 is disposed on the second surface 12. Specifically, the LED touch display panel further includes an LED circuit layer 91, in this embodiment, the LED circuit layer 91 is disposed on a side of the touch circuit layer 90 opposite to the second surface 12, and it is understood that in other embodiments, the LED circuit layer 91 may also be disposed between the touch circuit layer 90 and the substrate 10. The touch circuit layer 90 is connected to the sensing pattern 30 through the connecting trace 50. The touch circuit layer 90 is provided with a touch sensing circuit, and the touch circuit layer 90 is further electrically connected to the controller 70, so as to realize signal transmission between the controller 70 and the sensing pattern layer 30 and positioning of a touch point. The LED control circuit layer 91 is electrically connected to the controller 70, and when the controller 70 receives a touch signal of the sensing pattern 30 transmitted by the touch circuit layer 90, the controller 70 controls the LED light emitting device 20 through the LED control circuit layer 91 according to a change of the touch signal. In addition, the controller 70 may also be used to transmit other circuit signals, for example, the LED touch display panel may further include a software setting module, and the LED control circuit layer 91 is communicated with the software setting module and the controller 70, so that the controller 70 controls the on and off, brightness value, and the like of the LED light emitting device 20 according to an input signal of the software setting module. It is understood that the LED control circuit layer 91 may also be used for transmitting other control signals, which is not limited herein. Through setting up touch-control circuit layer 90 and LED control line layer 91, touch-control circuit layer 90 is used for transmitting touch-control signal, and LED control line layer 91 is used for transmitting other circuit signals, has avoided the interference problem between the different circuits, and has bigger line space of walking, is convenient for design and overall arrangement walking the line.

In one embodiment, referring to fig. 13, the touch circuit layer 90 is further used for transmitting circuit signals. Specifically, the touch circuit layer 90 is disposed on the second surface 12 of the substrate 10, and a touch sensing circuit is disposed on the touch circuit layer 90 and electrically connected to the controller 70, and further connected to the sensing pattern 30 through a connection trace 50, so that the controller 70 controls the LED light emitting device 20 according to a change of a touch signal on the sensing pattern 30. In addition, the touch circuit layer 90 is further provided with an LED control circuit, and the LED control circuit is used for transmitting a circuit signal, which is a control signal other than the touch signal, such as a circuit signal generated by a key or a circuit signal generated by a software control program. The touch sensing circuit and the LED control circuit are arranged on the touch circuit layer 90, so that the structure of the LED touch display panel is simplified, the number of layers of the control circuit is reduced, the thickness of the LED touch display panel is reduced, and the requirements of lightness, thinness and miniaturization are met.

The utility model also provides a LED display screen, this LED display screen include the LED touch-control display panel that any embodiment provided as above, and this LED display screen can be used to conference system show, shop advertisement show etc.. Through adopting the embodiment of the utility model provides a LED touch-control display panel for the frame of LED display screen is narrower, and thickness is littleer, promotes the visual sensation.

The utility model also provides an electronic equipment, this electronic equipment include like the LED display screen that embodiment provided above, specifically can include conference system electronic screen, shop advertising screen etc.. Through adopt in electronic equipment the embodiment of the utility model provides a LED display screen is favorable to realizing electronic equipment's miniaturization and frivolousization, reduces electronic equipment's occupation space, promotes user experience.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (16)

1. The LED touch display panel is characterized by comprising a substrate, a plurality of LED light-emitting devices and a sensing pattern, wherein the LED light-emitting devices are arranged on the substrate at intervals, the sensing pattern comprises a plurality of driving wires and a plurality of sensing wires, the driving wires and the sensing wires are arranged in gaps among the LED light-emitting devices, and the driving wires and the sensing wires are insulated and are crossed in orthographic projection on the substrate.

2. The LED touch display panel of claim 1, wherein the driving traces and the sensing traces are perpendicular to an orthographic projection of the substrate.

3. The LED touch display panel according to claim 1, wherein a pad is disposed on the substrate, the LED light emitting device is soldered to the pad, and the sensing pattern is disposed on a layer where the pad is located, or the sensing pattern is disposed on a layer where the LED light emitting device is located.

4. The LED touch display panel according to claim 2, wherein the plurality of LED light emitting devices are arranged in a plurality of rows and columns, the plurality of driving traces are parallel to each other, and the plurality of sensing traces are parallel to each other.

5. The LED touch display panel according to claim 1, wherein two adjacent driving traces or two adjacent sensing traces are separated by 1 or more LED light emitting devices.

6. The LED touch display panel according to claim 1, wherein the driving traces and the sensing traces are disposed on the same layer, or the driving traces are disposed on a first layer, the sensing traces are disposed on a second layer, and a first insulating layer is further disposed between the first layer and the second layer.

7. The LED touch display panel of claim 6, wherein the first insulating layer comprises a plurality of insulating dots, and in an orthographic projection of the substrate, the insulating dots coincide with intersections of the driving traces and the sensing traces.

8. The LED touch display panel according to claim 1, further comprising a second insulating layer disposed on the substrate, wherein the sensing pattern is disposed on a side of the second insulating layer facing away from the substrate or between the second insulating layer and the substrate.

9. The LED touch display panel according to any one of claims 1 to 8, wherein the substrate includes a first surface and a second surface opposite to each other, the LED light emitting device is disposed on the first surface, the LED touch display panel further includes a connection trace and a controller, the controller is disposed on the second surface, and the connection trace connects the sensing pattern and the controller.

10. The LED touch display panel according to claim 9, wherein the connection traces include a first connection trace and a second connection trace, the first connection trace connects the driving trace and the controller, and the second connection trace connects the sensing trace and the controller.

11. The LED touch display panel of claim 9, wherein the substrate has a through hole, and the connection trace is disposed through the through hole and extends from the first surface to the second surface.

12. The LED touch display panel of claim 9, wherein the substrate further comprises a side surface connecting the first surface and the second surface, the connection traces extending along the first surface through the side surface toward the second surface.

13. The LED touch display panel of claim 12, further comprising a touch circuitry layer, wherein the connection traces are all connected to the touch circuitry layer, and wherein the touch circuitry layer is disposed on the second surface.

14. The LED touch display panel of claim 13, wherein the touch circuitry layer is further configured to transmit a circuit signal.

15. An LED display screen, characterized in that the LED display screen comprises the LED touch display panel according to any one of claims 1 to 14.

16. An electronic device, characterized in that the electronic device comprises a LED display screen according to claim 15.

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