Mutual capacitance type touch panel and touch device
By using the interlaced design of the mutual capacitive touch panel and the connection of conductive silver paste segments, the complex wiring and high cost problems of traditional self-capacitive touch panels are solved, achieving more efficient signal transmission and anti-interference capabilities.
Patent Information
- Application Number
- CN202520024242.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-06
AI Technical Summary
In traditional self-capacitive touch panels, 1 pin corresponds to 1 touch button, which makes the wiring more complex, requires more pins, and results in higher costs.
The touch panel adopts a mutual capacitance design, with staggered receive and transmit positions set on the substrate to form a linear adjustment range. The receive and transmit positions are in the shape of isosceles triangles and are connected to the wire group through conductive silver paste segments, reducing the number of pins and the difficulty of wiring.
It improves the touch adjustment range and anti-interference capability, reduces costs, and avoids accidental touches by controlling signal transmission through dual pins, thereby improving signal stability and accuracy.
Smart Images
Figure CN223598213U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of touch panel, concretely relates to a mutual capacity type touch panel and touch device. BACKGROUND
[0002] Touch panel is an inductive liquid crystal display device capable of receiving input signals such as touch heads. Its basic principle is that when a finger or other conductor contacts the screen, it will change the electrical properties of the sensing layer, such as capacitance, resistance, etc., which will then be detected by the internal sensor. Through calculation, the position of the touch point can be accurately obtained.
[0003] There are many types of touch panels, including resistive, capacitive, optical and surface acoustic wave types. Resistive touch panels determine touch position by changes in the conductive layer of multiple composite films, have good waterproof and stain resistance, and are inexpensive, but have relatively low scratch resistance and light transmittance. Capacitive touch panels use the coupling capacitance formed by the human body electric field and the touch screen surface to detect touch position, have high light transmittance, fast response speed and support multi-point touch, but are susceptible to environmental electric fields. Optical touch panels determine touch position by light blocking principle, the surface is pure glass, which does not affect light transmittance, and the product has high reliability, but has poor waterproof and stain resistance. Surface acoustic wave touch panels use ultrasonic wave emission and reception principle to detect touch position, have extremely high resolution, excellent scratch resistance and long service life, and no drift phenomenon.
[0004] However, in traditional self-capacitive touch panels, 1 pin corresponds to 1 touch button, the wiring is relatively complex, and when linear adjustment is needed, more pins need to be set, which is relatively high in cost. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a mutual capacity type touch panel and touch device, aiming at improving the problem that in traditional self-capacitive touch panels, 1 pin corresponds to 1 touch button, the wiring is relatively complex, and when linear adjustment is needed, more pins need to be set, which is relatively high in cost.
[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A mutual capacity type touch panel, comprising a substrate, at least one touch adjustment area, a plurality of receiving sites and a plurality of sending sites are arranged on the substrate, the receiving sites and the sending sites are staggered and spaced apart in a touch adjustment area, a receiving wire group is connected to the receiving site, a sending wire group is connected to the sending site, and the end of the receiving wire group and the sending wire group is connected with a pin.
[0008] Further, the receiving bit and the sending bit are both isosceles triangle shape, the bottom edge of the receiving bit is in the same extension direction, the bottom edge of the sending bit is in the same extension direction, the top angle of the receiving bit is in the extension direction of the bottom edge of the sending bit, and the top angle of the sending bit is in the extension direction of the bottom edge of the receiving bit.
[0009] Further, the sending wire group comprises a plurality of sending wires, one end of the sending wire is connected with the bottom edge of the sending bit, and the other end of the sending wire is connected with a needle foot.
[0010] The receiving wire group comprises an upper receiving wire and a lower receiving wire, the lower receiving wire is provided with a plurality of lower connection ends, the plurality of lower connection ends are respectively connected with the bottom edges of a plurality of receiving bits, one end of the upper receiving wire is provided with a plurality of upper connection ends, the plurality of upper connection ends are connected with the top angles of the remaining receiving bits, and the other end of the upper receiving wire is connected with a needle foot.
[0011] Further, the plurality of receiving bits comprises a first receiving bit, a second receiving bit, a third receiving bit, a fourth receiving bit and a fifth receiving bit, and the plurality of sending bits comprises a first sending bit, a second sending bit, a third sending bit, a fourth sending bit and a fifth sending bit.
[0012] The first receiving bit, the first sending bit, the second receiving bit, the second sending bit, the third receiving bit, the third sending bit, the fourth receiving bit, the fourth sending bit, the fifth receiving bit and the fifth sending bit are sequentially and spacedly arranged.
[0013] The second receiving bit, the third receiving bit, the fourth receiving bit, the fifth receiving bit, the first sending bit, the second sending bit, the third sending bit and the fourth sending bit are all isosceles triangle shape; the first receiving bit and the fifth sending bit are both right trapezoidal shape, the upper base length of the first receiving bit is less than the lower base length, the upper base length of the fifth sending bit is greater than the lower base length, the upper base of the first receiving bit and the upper base of the fifth sending bit are both in the extension direction of the bottom edges of the first sending bit, the second sending bit, the third sending bit and the fourth sending bit, and the lower base of the first receiving bit and the lower base of the fifth sending bit are both in the extension direction of the bottom edges of the second receiving bit, the third receiving bit, the fourth receiving bit and the fifth receiving bit.
[0014] Further, a plurality of through holes are formed on the substrate, and the plurality of through holes are respectively located on both sides of the intersection position of the upper receiving wire and the sending wire.
[0015] The through hole is internally provided with a conductive section, and the middle section of the upper receiving wire is connected at both ends of the conductive section.
[0016] Further, the diameter of the through hole is 0.03-0.2mm.
[0017] Further, the conductive section is a conductive silver paste section.
[0018] To achieve the above object, the utility model discloses the following technical scheme:
[0019] A touch device, application the mutual capacity type touch panel.
[0020] After adopting the above technical scheme, the utility model has the following advantages compared with the prior art:
[0021] The receiving bit and the sending bit are staggered in the touch adjustment interval to form a linear adjustment interval, effectively improving the control range, reducing the number of pins and the wiring difficulty, and thus reducing the cost. Moreover, the transmission and reception of the common control signal are controlled by two pins each time the touch adjustment is performed, effectively improving the anti-interference capability. At the same time, before receiving the external capacitance signal, the line itself is in a high signal value, and after receiving the external signal value, the signal value is reduced, effectively avoiding false touch. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The utility model discloses the structure diagram of mutual capacity type touch panel.
[0023] Mark explanation:
[0024] 1, substrate;11, touch adjustment area;111, first receiving bit;112, second receiving bit;113, third receiving bit;114, fourth receiving bit;115, fifth receiving bit;116, first sending bit;117, second sending bit;118, third sending bit;119, fourth sending bit;120, fifth sending bit;12, upper receiving wire;121, upper connecting end;13, lower receiving wire;131, lower connecting end;14, sending wire;15, through hole;151, conductive section;16, pin. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0026] In addition, it should be noted that: the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements of the utility model must have a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0027] When an element is referred to as being "fixed" or "attached" or "set" on another element, it can be directly on the other element or indirectly on the other element, with one or more intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or indirectly connected or coupled to the other element, via one or more intervening elements. When an element is referred to as being "comprising" or "including" another element, it can include the other element or can not include the other element.
[0028] Unless otherwise defined, the terms "mounting", "connected", "connecting" are to be construed as broadly, for example, can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal connection of two elements, or interaction relationship between two elements. The specific meaning of the above terms in the utility model can be understood according to the specific circumstances by those skilled in the art.
[0029] Embodiment
[0030] Please refer to Figure 1 The embodiment provides a mutual capacity touch panel, which comprises a substrate 1, at least one touch adjusting area 11, a plurality of receiving sites and a plurality of sending sites are arranged on the substrate 1, the receiving sites and the sending sites are staggered and arranged at intervals in one touch adjusting area 11, a receiving wire group is connected to the receiving sites, a sending wire group is connected to the sending sites, and the end of the receiving wire group and the sending wire group is connected with a pin 16.
[0031] The receiving sites and the sending sites staggered and arranged in the touch adjusting area 11 form a linear adjusting area, effectively improve the adjusting range, reduce the number of pins 16 and the wiring difficulty, thereby reducing the cost. And the transmission and reception of signals are controlled by two pins 16 in each touch adjustment and the process of touch adjustment, effectively improving the anti-interference ability. At the same time, before receiving the external capacitive signal, the line itself is in a high signal value, after receiving the external signal value, the signal value is reduced, effectively avoiding the false touch.
[0032] In the embodiment, the receiving bit and the sending bit are isosceles triangle shapes, the base of the receiving bit is located in the same extension direction, and the base of the sending bit is located in the same extension direction. The top angle of the receiving bit is located in the extension direction of the base of the sending bit, and the top angle of the sending bit is located in the extension direction of the base of the receiving bit. The two sides of the base of the receiving bit extend towards the top angle of the adjacent sending bit, and the two sides of the base of the sending bit extend towards the top angle of the adjacent receiving bit, so as to ensure that the adjacent receiving bit and sending bit can be stably covered in the process of touch control, and the stability of signal transmission is improved. In addition, the top angles of the receiving bit and the sending bit are equal, that is, the shapes of the receiving bit and the sending bit are the same, so that the receiving bit and the sending bit are uniformly distributed in the touch adjustment area 11, and the accuracy of touch adjustment is improved. Further, the range of the top angle of the receiving bit and the sending bit is 100°-150°, and in the embodiment, the top angle of the receiving bit and the sending bit is 120°. Similarly, the top angle of the receiving bit and the sending bit can also be 100° or 150°. The top angle of the receiving bit and the sending bit is controlled, so that the two sides of the base of the receiving bit and the sending bit extend towards the top angle of the adjacent sending bit and receiving bit to the maximum, and the situation that a single receiving bit or sending bit cannot receive or transmit signals is avoided to the maximum. At the same time, the top angle of the receiving bit and the sending bit is prevented from being too large, so that the length of the base of the receiving bit and the sending bit is relatively long, a large area of the touch adjustment area 11 is occupied, the number of the receiving bit and the sending bit in the touch adjustment area 11 is small, and the touch adjustment accuracy is poor.
[0033] In the embodiment, the sending wire group includes a plurality of sending wires 14, one end of the sending wire 14 is connected with the base of the sending bit, and the other end of the sending wire 14 is connected with a pin 16. The receiving wire group includes the upper receiving wire 12 and the lower receiving wire 13, the lower receiving wire 13 is provided with a plurality of lower connection ends 131, and the plurality of lower connection ends 131 are connected with the bases of the plurality of receiving bits. One end of the upper receiving wire 12 is provided with a plurality of upper connection ends 121, and the plurality of upper connection ends 121 are connected with the top angles of the remaining receiving bits. The other end of the upper receiving wire 12 is connected with a pin 16. The upper receiving wire 12 and the lower receiving wire 13 are arranged to connect the receiving bit from the upper and lower sides, so as to reduce the poor frequency with the sending wire 14 and reduce the difficulty of wiring.
[0034] Specifically, the plurality of receiving sites include a first receiving site 111, a second receiving site 112, a third receiving site 113, a fourth receiving site 114, and a fifth receiving site 115, and the plurality of sending sites include a first sending site 116, a second sending site 117, a third sending site 118, a fourth sending site 119, and a fifth sending site 120. The first receiving site 111, the first sending site 116, the second receiving site 112, the second sending site 117, the third receiving site 113, the third sending site 118, the fourth receiving site 114, the fourth sending site 119, the fifth receiving site 115, and the fifth sending site 120 are arranged in sequence with intervals. In the embodiment, the second receiving site 112, the third receiving site 113, the fourth receiving site 114, the fifth receiving site 115, the first sending site 116, the second sending site 117, the third sending site 118, and the fourth sending site 119 are all in the shape of an isosceles triangle; the first receiving site 111 and the fifth sending site 120 are both in the shape of a right trapezoid, the upper base of the first receiving site 111 is shorter than the lower base, the upper base of the fifth sending site 120 is longer than the lower base, the upper base of the first receiving site 111 and the upper base of the fifth sending site 120 are both located in the extension direction of the bottom edge of the first sending site 116, the second sending site 117, the third sending site 118, and the fourth sending site 119, and the lower base of the first receiving site 111 and the lower base of the fifth sending site 120 are both located in the extension direction of the bottom edge of the second receiving site 112, the third receiving site 113, the fourth receiving site 114, and the fifth receiving site 115. In the embodiment, the number of the lower connecting ends 131 is three, and the three lower connecting ends 131 are connected to the bottom edges of the first receiving site 111, the third receiving site 113, and the fifth receiving site 115, respectively. The number of the upper connecting ends 121 is three, and the three upper connecting ends 121 are connected to the upper base of the first receiving site 111, the top corner of the second receiving site 112, and the top corner of the fourth receiving site 114, respectively. The first receiving site 111 and the fifth sending site 120 are the starting point and the ending point of the touch control area, and are set to be in the shape of a right trapezoid to reduce the size of the outer side of the first receiving site 111 and the fifth sending site 120, so that more receiving sites and sending sites can be arranged in the touch control adjustment area 11, and the size and the accuracy of the touch control adjustment range are improved. Similarly, the number of the receiving sites and the sending sites can also be more or less.
[0035] Correspondingly, in the embodiment, the number of the sending wires 14 is five, and the five sending wires 14 are connected to the five sending sites, respectively. The number of the pins 16 is six, and the five pins 16 are connected to the end portions of the five sending wires 14, respectively. One pin 16 is connected to the end portion of the upper receiving wire 12. In the embodiment, the conductive silver paste layers are arranged on the receiving sites and the sending sites to receive and transmit electric signals.
[0036] Further, the substrate 1 is provided with a plurality of through holes 15, and the plurality of through holes 15 are respectively located on both sides of the intersection position of the upper receiving conductor 12 and the transmitting conductor 14. The through hole 15 is provided with a conductive section 151, and the middle section of the upper receiving conductor 12 is connected to both ends of the conductive section 151. In the embodiment, the number of intersection positions of the upper receiving conductor 12 and the transmitting conductor 14 is n, and the number of through holes 15 is 2n. The upper receiving conductor 12 is arranged on the top surface and the bottom surface of the substrate 1 through the through hole 15, and the transmitting conductor 14 is avoided, so as to avoid the poor contact with the transmitting conductor 14 and affect the signal transmission, and further reduce the wiring difficulty. The diameter of the through hole 15 is 0.03-0.2mm, and in the embodiment, the diameter of the through hole 15 is 0.1mm. Similarly, the diameter of the through hole 15 can also be 0.03mm or 0.2mm. The diameter of the through hole 15 is arranged in the appropriate interval, so as to avoid that the through hole 15 is too large, the amount of the conductive section 151 is increased, the cost is increased, and the area of the substrate 1 is excessively occupied, the wiring between other components is affected, the through hole 15 is too small, the stability of the connection of the upper receiving conductor 12 between the top surface and the bottom surface is affected, and the stable signal transmission of the upper receiving conductor 12 is ensured. In the embodiment, the conductive section 151 is a conductive silver paste section, the fluidity of the conductive silver paste is utilized, the forming difficulty and the assembly difficulty of the conductive section 151 are reduced, the production efficiency is improved, and the cost is reduced.
[0037] The embodiment also discloses a touch device, and the touch device applies the mutual-capacitance touch panel.
[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, and all the changes or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A mutual capacitance touch panel, characterized by, The application relates to a mutual capacitance touch panel, which comprises a substrate provided with at least one touch regulating area, a plurality of receiving sites and a plurality of sending sites. 2.The mutual capacitance touch panel according to claim 1, wherein: The receiving sites and the sending sites are both isosceles triangle-shaped, the bottom edges of the receiving sites are located on the same extension direction, the bottom edges of the sending sites are located on the same extension direction, the top angle of the receiving sites is located on the extension direction of the bottom edge of the sending sites, and the top angle of the sending sites is located on the extension direction of the bottom edge of the receiving sites. 3.The mutual capacitance touch panel according to claim 2, wherein: The sending wire group comprises a plurality of sending wires, one end of the sending wire is connected with the bottom edge of the sending site, and the other end of the sending wire is connected with a pin. The receiving wire group comprises an upper receiving wire and a lower receiving wire, the lower receiving wire is provided with a plurality of lower connecting ends, the plurality of lower connecting ends are connected with the bottom edges of the plurality of receiving sites respectively, one end of the upper receiving wire is provided with a plurality of upper connecting ends, the plurality of upper connecting ends are connected with the top angles of the remaining receiving sites, and the other end of the upper receiving wire is connected with the pin.
4. The mutual capacitance touch panel of claim 3, wherein: The plurality of receiving sites comprise a first receiving site, a second receiving site, a third receiving site, a fourth receiving site and a fifth receiving site, and the plurality of sending sites comprise a first sending site, a second sending site, a third sending site, a fourth sending site and a fifth sending site. The first receiving site, the first sending site, the second receiving site, the second sending site, the third receiving site, the third sending site, the fourth receiving site, the fourth sending site, the fifth receiving site and the fifth sending site are arranged in sequence. The second receiving site, the third receiving site, the fourth receiving site, the fifth receiving site, the first sending site, the second sending site, the third sending site and the fourth sending site are all isosceles triangle-shaped; the first receiving site and the fifth sending site are both right trapezoidal-shaped, the upper bottom length of the first receiving site is smaller than the lower bottom length, the upper bottom length of the fifth sending site is larger than the lower bottom length, the upper bottom of the first receiving site and the upper bottom of the fifth sending site are located on the extension direction of the bottom edges of the first sending site, the second sending site, the third sending site and the fourth sending site, and the lower bottom of the first receiving site and the lower bottom of the fifth sending site are located on the extension direction of the bottom edges of the second receiving site, the third receiving site, the fourth receiving site and the fifth receiving site. 5.The mutual capacitance touch panel according to claim 3, wherein: A plurality of through holes are formed in the substrate, and the plurality of through holes are located on both sides of the intersection positions of the upper receiving wire and the sending wire respectively. The through hole is internally provided with a conductive section, and the middle section of the upper receiving wire is connected with both ends of the conductive section. 6.The mutual capacitance touch panel according to claim 5, wherein: The diameter of the through hole is 0.03-0.2 mm. 7.The mutual capacitance touch panel according to claim 5, wherein: The conductive section is a conductive silver paste section.
8. A touch device, comprising: The mutual capacitance touch panel is applied to the application.