CN209842594U - Narrow frame electric capacity screen - Google Patents
Narrow frame electric capacity screen Download PDFInfo
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- CN209842594U CN209842594U CN201920751706.XU CN201920751706U CN209842594U CN 209842594 U CN209842594 U CN 209842594U CN 201920751706 U CN201920751706 U CN 201920751706U CN 209842594 U CN209842594 U CN 209842594U
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Abstract
The utility model discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet and a flexible FPC board, wherein a plurality of silver paste channel bonding pads are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet, and are respectively connected with geometric patterns which are arranged on the touch sensing sheet in a criss-cross manner; the flexible FPC board is provided with a plurality of metal channel pads and many induction drive wires, and many induction drive wires are connected with a plurality of metal channel pads respectively, a plurality of metal channel pads on the flexible FPC board are connected with a plurality of silver thick liquid channel pads hot pressing on the touch-sensitive piece respectively. The utility model discloses can effectively reduce the frame width of electric capacity screen, make the aesthetic property and the practicality of electric capacity screen better.
Description
Technical Field
The utility model relates to a touch-sensitive screen technical field, specifically speaking relate to a narrow frame electric capacity screen.
Background
The capacitive touch screen technology works by using current induction of a human body. The capacitive touch screen is a four-layer composite glass screen, the inner surface and the interlayer of the glass screen are respectively coated with one layer of ITO, the outermost layer is a thin-layer silica glass protective layer, the interlayer ITO coating serves as a working surface, four electrodes are led out from four corners, and the inner layer of ITO serves as a shielding layer to guarantee a good working environment. When a finger touches the metal layer, a coupling capacitance is formed between the user and the touch screen surface due to the electric field of the human body, and for high frequency currents, the capacitance is a direct conductor, so that the finger draws a small current from the contact point. The currents respectively flow out of the electrodes on the four corners of the touch screen, the currents flowing through the four electrodes are in direct proportion to the distances from the fingers to the four corners, and the controller obtains the position of a touch point through accurate calculation of the proportion of the four currents.
At present, the structure of the capacitive screen is generally as follows: the edge of the touch sensing piece is provided with a bonding pad, silver paste lines and a concentrated binding area, the bonding pad is connected with geometric patterns which are arranged on the touch sensing piece in a criss-cross mode on one hand, and is connected to the binding area through the silver paste lines on the other hand, and then the flexible FPC board is connected with the binding area in a hot-pressing mode. With the rapid development of the capacitive screen touch technology, the application range of the capacitive screen is wider and wider, especially the application range of the medium-large size, but the design of the existing Sensor process causes that many capacitive screens cannot be designed to have narrow frames on the medium-large size.
The prior art with chinese patent publication No. CN204480222U discloses a touch screen structure in 2015, 7-month and 15-month, which has the following technical scheme: the touch screen structure sequentially comprises a substrate, an optical adhesion layer and a touch sensing layer from top to bottom; the touch sensing layer is composed of a PET substrate and sensing driving lines and frame wiring lines formed on the surface of the PET substrate through silk-screen conductive ink and exposure development. This patent uses PET as the substrate and passes through the whole face sensitization silver-colored printing ink of half tone silk screen printing, and the rethread is exposed to develop and once only is realized the induction drive line and the frame is walked the line. The problem of chemical reagent environmental pollution in the production of the film type touch screen is solved, and the characteristics of low cost, narrow frame and the like are also realized. However, in the practical application process, since the sensing driving lines and the frame routing lines need to be arranged on the touch sensing layer, the frame space of the touch sensing layer is occupied, especially for the capacitive screen with the larger size, the more the sensing driving lines on the frame are, and the frame of the whole capacitive screen is still larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above-mentioned problem that exists among the prior art, provide a narrow frame electric capacity screen, the utility model discloses can effectively reduce the frame width of electric capacity screen, make the aesthetic property and the practicality of electric capacity screen better.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a narrow frame electric capacity screen which characterized in that: the touch panel comprises a touch sensing sheet and a flexible FPC board, wherein a plurality of silver paste channel bonding pads are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet and are respectively connected with geometric patterns which are arranged on the touch sensing sheet in a criss-cross mode; the flexible FPC board is provided with a plurality of metal channel pads and many induction drive wires, and many induction drive wires are connected with a plurality of metal channel pads respectively, a plurality of metal channel pads on the flexible FPC board are connected with a plurality of silver thick liquid channel pads hot pressing on the touch-sensitive piece respectively.
The silver paste channel welding plates are at least arranged on two adjacent side edges of the touch sensing sheet.
The number of the flexible FPC boards is one, the metal channel bonding pads on the flexible FPC boards are arranged in an L shape, and the flexible FPC boards are connected to the touch sensing sheet through the metal channel bonding pads arranged in the L shape.
The number of the flexible FPC boards is more than two, metal channel bonding pads on each flexible FPC board are arranged in an L shape, the flexible FPC boards are connected to the touch sensing sheet in an overlapping mode through the metal channel bonding pads arranged in the L shape, and a shielding layer is arranged between the flexible FPC boards.
The number of the flexible FPC boards is two, and the two flexible FPC boards are connected to two adjacent side edges of the touch sensing sheet respectively.
The quantity of flexible FPC board is many, and many flexible FPC boards are connected respectively at the adjacent both sides limit of touch-sensitive piece, and two at least flexible FPC boards are connected side by side in proper order at the same side of touch-sensitive piece.
The quantity of flexible FPC board is many, and many flexible FPC boards are connected at the arbitrary three sides of touch-sensitive piece at least, and the flexible FPC board dislocation distribution on the both sides limit that parallel.
The number of the flexible FPC boards is multiple, the multiple flexible FPC boards are connected to two adjacent side edges of the touch sensing sheet respectively, and at least two flexible FPC boards are connected to the same side edge of the touch sensing sheet in an overlapping mode.
The metal channel pads on the flexible FPC board are arranged in a line.
Adopt the utility model has the advantages of:
1. the utility model discloses all set up a plurality of silver thick liquid passageway pads on the vertical limit of touch-sensitive piece and horizontal edge, be provided with the response drive wire that a plurality of metal channel pads and many are connected with a plurality of metal channel pads respectively on flexible FPC board to make a plurality of metal channel pads on the flexible FPC board be connected with a plurality of silver thick liquid passageway pads hot pressing on the touch-sensitive piece respectively. Compared with the prior art, the utility model discloses with the induction drive line that sets up on the touch-sensitive piece among the prior art on having shifted to flexible FPC board, cancelled the induction drive line on the touch-sensitive piece, only remain silver thick liquid passageway pad. Because the flexible FPC board can be folded, consequently, the flexible FPC board of accessible makes it hide when production, and the length or the width of silver thick liquid passageway pad just can be accomplished to the frame of electric capacity screen like this to reduce the frame width of electric capacity screen effectively, made the aesthetic property and the practicality of electric capacity screen better. And, because flexible FPC board is the copper product, the induction drive line on it also is the copper line, comparatively speaking, has adopted the copper line to replace silver thick liquid to walk the line, has reduced the use of silver thick liquid by a wide margin, consequently can also reduction in production cost.
2. The utility model discloses well metal channel pad sets up at least on the adjacent both sides limit of touch-sensitive piece, specifically can set up at adjacent both sides limit, three sides or the four sides of touch-sensitive piece, and the setting mode is various, satisfies different demands.
3. The utility model discloses well flexible FPC board's quantity is one, and the metal channel pad on the flexible FPC board is L shape and arranges, and the metal channel pad that flexible FPC board arranged through L shape is connected on the touch-sensitive piece. The structure can complete the connection of the flexible FPC board and the touch sensing sheet at one time, and is favorable for simplifying production procedures.
4. The utility model discloses well flexible FPC board's quantity is more than two, and the metal channel pad on every flexible FPC board is L shape and arranges, and the metal channel pad overlap connection that flexible FPC board arranged through L shape is on the touch-sensitive piece, and is provided with the shielding layer between the flexible FPC board. Compared with a whole flexible FPC board, the structure is easier to bend to the bottom of the touch induction sheet, and different requirements are favorably met.
5. The utility model discloses well flexible FPC board's quantity is two, and two flexible FPC boards are connected respectively on the adjacent both sides limit of touch-sensitive piece, and a flexible FPC board is respectively connected on the adjacent both sides limit of touch-sensitive piece promptly, and this structure is favorable to promoting the stability of being connected between touch-sensitive piece and the flexible FPC board.
6. The utility model discloses well flexible FPC board's quantity is many, and many flexible FPC boards are connected respectively on the adjacent both sides limit of touch-sensitive piece, and two at least flexible FPC boards are connected side by side in proper order on the same side of touch-sensitive piece. The structure can prepare the flexible FPC board into a fixed length, and then sequentially and side by side connect the flexible FPC board on the touch sensing sheet, so that the flexible FPC board structure has the advantages of facilitating batch production of the flexible FPC board and being beneficial to improving the stability of connection between the touch sensing sheet and the flexible FPC board.
7. The utility model discloses well flexible FPC board's quantity is many, and many flexible FPC boards are connected at the arbitrary three sides of touch-sensitive piece at least, and the flexible FPC board dislocation distribution on the both sides limit that parallels. The structure enables a plurality of flexible FPC boards to be connected to any three sides or four sides of the touch sensing sheet, and different requirements can be met.
8. The utility model discloses well flexible FPC board's quantity is many, and many flexible FPC boards are connected respectively on the adjacent both sides limit of touch-sensitive piece, and two at least flexible FPC board overlap connections are on the same side of touch-sensitive piece. Compared with a whole flexible FPC board, the structure is easier to bend to the bottom of the touch induction sheet, and different requirements are favorably met.
9. The utility model discloses metal channel pad on well flexible FPC board is a word arrangement, and this structure is favorable to the firm connection of touch-sensitive piece and flexible FPC board.
Drawings
FIG. 1 is an exploded view of embodiment 1;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic view of the structure at I in example 2;
FIG. 4 is a schematic structural view of embodiment 3;
FIG. 5 is a schematic structural view of example 4;
FIG. 6 is a schematic structural view of example 5;
fig. 7 is a schematic structural view of the flexible FPC board in embodiment 6 when it is connected to three side edges of the touch sensing sheet;
fig. 8 is a schematic structural view of the flexible FPC board in embodiment 6 when it is attached to the four sides of the touch sensing sheet;
labeled as: 1. touch-sensitive piece, 2, flexible FPC board, 3, silver thick liquid passageway pad, 4, metal passageway pad, 5, induction drive line, 6, shielding layer.
Detailed Description
Example 1
The embodiment discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet 1 and a flexible FPC board 2, wherein a plurality of silver paste channel bonding pads 3 are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, the touch sensing sheet 1 is provided with geometric patterns which are arranged in a criss-cross manner (the geometric patterns which are arranged in the criss-cross manner on the touch sensing sheet 1 are in the prior art and not shown in the figure), the silver paste channel bonding pads 3 are respectively arranged on the edge of the longitudinal edge and the edge of the transverse edge of the touch sensing sheet 1, and the silver paste channel bonding pads 3 are respectively connected with the geometric patterns which are arranged in the criss-cross manner one by one through short sections of silver paste lines, namely each silver paste channel bonding pad is connected with one of the longitudinal geometric patterns or one of the transverse geometric patterns; be provided with a plurality of metal channel pads 4 and many induction drive wires 5 on the flexible FPC board 2, the one end of many induction drive wires 5 is connected with a plurality of metal channel pads 4 respectively, and the other end is connected with the master control card of capacitive screen, and metal channel pads 4 are the same with the quantity of silver thick liquid channel pad 3, a plurality of metal channel pads 4 on the flexible FPC board 2 are connected with a plurality of silver thick liquid channel pads 3 hot pressing on the touch-sensitive piece 1 respectively.
In this embodiment, preferably, the silver paste channel pads 3 are uniformly arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, and the width of the silver paste channel pads 3 is only reserved on the touch sensing sheet 1. The silver paste channel bonding pad 3 can be a rectangular structure, the length and width of the rectangular structure are 2mm x 0.4mm, and the silver paste channel bonding pad 3 is arranged 10.1-1 cm away from the touch sensing sheet. Correspondingly, the area for setting the induction driving line 5 and the frame line in the prior art can be cancelled, so that the frame width of the whole capacitive screen can be only the sum of the length of the silver paste channel bonding pad 3 and the distance from the length to the edge of the touch induction sheet 1, and the frame width of the capacitive screen is greatly reduced.
In this embodiment, in the technical field of capacitive screens, the touch sensing sheet 1 may be a glass substrate or a PET substrate, and when the touch sensing sheet 1 is a glass substrate, it is a common practice to plate ITO coatings on the front and back surfaces of the glass, and then etch the longitudinal geometric patterns and the transverse geometric patterns on the front and back surfaces of the glass respectively. Correspondingly, the silver paste channel pads 3 on the touch sensing sheet 1 are respectively arranged on the front side and the back side of the glass and are respectively used for being connected with the longitudinal geometric patterns and the transverse geometric patterns. Certainly, in practical use, the longitudinal geometric pattern and the transverse geometric pattern can also be arranged on the front surface of the glass according to needs (correspondingly, the silver paste channel pads are also all arranged on the front surface of the glass at this time), and it should be noted that when the longitudinal geometric pattern and the transverse geometric pattern are arranged on the front surface of the glass, the intersections of the geometric patterns need to be separated by bridges. And when the touch sensing sheet 1 is a PET substrate, the longitudinal geometric pattern and the transverse geometric pattern are both etched on the front surface of the PET substrate, and the silver paste channel bonding pad 3 on the touch sensing sheet 1 is also arranged on the front surface.
In this embodiment, the silver paste channel pads 3 are at least disposed on two adjacent sides of the touch sensor sheet 1. The two adjacent side edges refer to adjacent transverse edges and longitudinal edges in the front surface of the touch sensing sheet 1 or one of the transverse edges/longitudinal edges in the front surface and one of the longitudinal edges/transverse edges in the back surface, but not the side edges between the front surface and the back surface.
Example 2
The embodiment discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet 1 and a flexible FPC board 2, wherein a plurality of silver paste channel bonding pads 3 are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, the touch sensing sheet 1 is provided with geometric patterns which are arranged in a criss-cross manner, the silver paste channel bonding pads 3 are respectively arranged on the edge of the longitudinal edge and the edge of the transverse edge of the touch sensing sheet 1, and the silver paste channel bonding pads 3 are respectively connected with the geometric patterns which are arranged in the criss-cross manner in a one-to-one correspondence manner through a short section of silver paste line, namely each silver paste channel bonding pad is connected with one of longitudinal geometric patterns or one of transverse geometric patterns; be provided with a plurality of metal channel pads 4 and many induction drive wires 5 on the flexible FPC board 2, the one end of many induction drive wires 5 is connected with a plurality of metal channel pads 4 respectively, and the other end is connected with the master control card of capacitive screen, and metal channel pads 4 are the same with the quantity of silver thick liquid channel pad 3, a plurality of metal channel pads 4 on the flexible FPC board 2 are connected with a plurality of silver thick liquid channel pads 3 hot pressing on the touch-sensitive piece 1 respectively.
In this embodiment, silver thick liquid passageway pad 3 evenly sets up in touch-sensitive piece 1's adjacent both sides limit, sets up in one of them horizontal limit and a vertical edge promptly, the quantity of flexible FPC board 2 is one, and metal channel pad 4 on the flexible FPC board 2 is L shape and arranges, and is corresponding with the silver thick liquid passageway pad 3 on the touch-sensitive piece 1 adjacent both sides limit. When in connection, the flexible FPC board 2 is connected to the silver paste channel bonding pads 3 on two adjacent sides of the touch sensing sheet 1 through the metal channel bonding pads 4 arranged in an L shape.
Example 3
This example is substantially the same as example 2, with the main differences:
the number of the flexible FPC boards 2 is more than two, the metal channel bonding pads 4 on each flexible FPC board 2 are arranged in an L shape, the flexible FPC boards 2 are connected to the silver paste channel bonding pads 3 on two adjacent side edges of the touch sensing sheet 1 in an overlapping mode through the metal channel bonding pads 4 arranged in the L shape, and a shielding layer 6 is arranged between the flexible FPC boards 2. Specifically, taking the number of the flexible FPC boards 2 as three as an example, the total number of the metal channel pads 4 on the three flexible FPC boards 2 is the same as the total number of the silver paste channel pads 3, and the metal channel pads 4 on the three flexible FPC boards 2 and the silver paste channel pads 3 on the touch sensing sheet 1 are in one-to-one correspondence. During connection, the metal channel bonding pad 4 and the silver paste channel bonding pad 3 can be connected in a hot pressing mode through the holes formed in the flexible FPC board 2.
Example 4
The embodiment discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet 1 and a flexible FPC board 2, wherein a plurality of silver paste channel bonding pads 3 are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, the touch sensing sheet 1 is provided with geometric patterns which are arranged in a criss-cross manner, the silver paste channel bonding pads 3 are respectively arranged on the edge of the longitudinal edge and the edge of the transverse edge of the touch sensing sheet 1, and the silver paste channel bonding pads 3 are respectively connected with the geometric patterns which are arranged in the criss-cross manner in a one-to-one correspondence manner through a short section of silver paste line, namely each silver paste channel bonding pad is connected with one of longitudinal geometric patterns or one of transverse geometric patterns; be provided with a plurality of metal channel pads 4 and many induction drive wires 5 on the flexible FPC board 2, the one end of many induction drive wires 5 is connected with a plurality of metal channel pads 4 respectively, and the other end is connected with the master control card of capacitive screen, and metal channel pads 4 are the same with the quantity of silver thick liquid channel pad 3, a plurality of metal channel pads 4 on the flexible FPC board 2 are connected with a plurality of silver thick liquid channel pads 3 hot pressing on the touch-sensitive piece 1 respectively.
In this embodiment, the silver paste channel pads 3 are uniformly disposed on two adjacent sides of the touch sensing sheet 1, that is, on one of the two transverse sides and one of the longitudinal sides, the number of the flexible FPC boards 2 is two, and the two flexible FPC boards 2 are respectively connected to two adjacent sides of the touch sensing sheet 1 through the metal channel pads 4. Specifically, the lengths of the two flexible FPC boards 2 are substantially the same as the length and the width of the touch sensing sheet 1, and the metal channel pads 4 on the two flexible FPC boards 2 correspond to the silver paste channel pads 3 on two adjacent sides of the touch sensing sheet 1. During production, the metal channel bonding pad 4 on one flexible FPC board 2 is connected with the silver paste channel bonding pad 3 on the transverse edge of the touch sensing sheet 1 in a hot pressing mode, and the metal channel bonding pad 4 on the other flexible FPC board 2 is connected with the silver paste channel bonding pad 3 on the longitudinal edge of the touch sensing sheet 1 in a hot pressing mode.
Example 5
The embodiment discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet 1 and a flexible FPC board 2, wherein a plurality of silver paste channel bonding pads 3 are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, the touch sensing sheet 1 is provided with geometric patterns which are arranged in a criss-cross manner, the silver paste channel bonding pads 3 are respectively arranged on the edge of the longitudinal edge and the edge of the transverse edge of the touch sensing sheet 1, and the silver paste channel bonding pads 3 are respectively connected with the geometric patterns which are arranged in the criss-cross manner in a one-to-one correspondence manner through a short section of silver paste line, namely each silver paste channel bonding pad is connected with one of longitudinal geometric patterns or one of transverse geometric patterns; be provided with a plurality of metal channel pads 4 and many induction drive wires 5 on the flexible FPC board 2, the one end of many induction drive wires 5 is connected with a plurality of metal channel pads 4 respectively, and the other end is connected with the master control card of capacitive screen, and metal channel pads 4 are the same with the quantity of silver thick liquid channel pad 3, a plurality of metal channel pads 4 on the flexible FPC board 2 are connected with a plurality of silver thick liquid channel pads 3 hot pressing on the touch-sensitive piece 1 respectively.
In this embodiment, the silver paste channel pads 3 are uniformly disposed on two adjacent sides of the touch sensor sheet 1, that is, on one of the two horizontal sides and one vertical side, the number of the flexible FPC boards 2 is multiple, where the multiple flexible FPC boards are more than three (same at the bottom), the multiple flexible FPC boards 2 are respectively connected to the two adjacent sides of the touch sensor sheet 1 through the metal channel pads 4, and at least two flexible FPC boards 2 are sequentially connected to the same side of the touch sensor sheet 1 side by side. Specifically, when the number of the flexible FPC boards 2 is three, one of the flexible FPC boards 2 may be connected to the longitudinal edge of the touch sensing sheet 1, and the other two flexible FPC boards 2 may be connected to the transverse edge of the touch sensing sheet 1 in sequence; further, when the number of the flexible FPC boards 2 is four or more, the flexible FPC boards 2 may be sequentially connected to one or both sides of the touch sensing sheet 1 in parallel as needed.
Example 6
The embodiment discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet 1 and a flexible FPC board 2, wherein a plurality of silver paste channel bonding pads 3 are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, the touch sensing sheet 1 is provided with geometric patterns which are arranged in a criss-cross manner, the silver paste channel bonding pads 3 are respectively arranged on the edge of the longitudinal edge and the edge of the transverse edge of the touch sensing sheet 1, and the silver paste channel bonding pads 3 are respectively connected with the geometric patterns which are arranged in the criss-cross manner in a one-to-one correspondence manner through a short section of silver paste line, namely each silver paste channel bonding pad is connected with one of longitudinal geometric patterns or one of transverse geometric patterns; be provided with a plurality of metal channel pads 4 and many induction drive wires 5 on the flexible FPC board 2, the one end of many induction drive wires 5 is connected with a plurality of metal channel pads 4 respectively, and the other end is connected with the master control card of capacitive screen, and metal channel pads 4 are the same with the quantity of silver thick liquid channel pad 3, a plurality of metal channel pads 4 on the flexible FPC board 2 are connected with a plurality of silver thick liquid channel pads 3 hot pressing on the touch-sensitive piece 1 respectively.
In this embodiment, silver thick liquid passageway pad 3 sets up at least at touch-sensitive piece 1's arbitrary three sides, and silver thick liquid passageway pad 3 can set up wherein two horizontal limits and a vertical edge promptly, or set up at one of them horizontal limit and two vertical edges, or set up at two horizontal limits and two vertical edges, the quantity of flexible FPC board 2 is many, and many flexible FPC board 2 are connected at touch-sensitive piece 1's arbitrary three sides at least through metal channel pad 4 respectively, and the flexible FPC board 2 dislocation distribution on the both sides limit that parallels. Specifically, when the number of the flexible FPC boards 2 is three, one of the flexible FPC boards 2 may be connected to the longitudinal edge of the touch sensing sheet 1, and the other two flexible FPC boards 2 may be connected to two parallel transverse edges of the touch sensing sheet 1, respectively; further, when the number of the flexible FPC boards 2 is four or more, the flexible FPC boards 2 may be connected to two parallel sides of one side of the touch sensing sheet 1, or the flexible FPC boards 2 may be connected to four sides of the touch sensing sheet 1, respectively. When the flexible FPC boards 2 are connected to two parallel side edges of the touch sensing sheet 1, the flexible FPC boards 2 on the two side edges are distributed in a staggered mode.
Example 7
The embodiment discloses a narrow-frame capacitive screen, which comprises a touch sensing sheet 1 and a flexible FPC board 2, wherein a plurality of silver paste channel bonding pads 3 are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet 1, the touch sensing sheet 1 is provided with geometric patterns which are arranged in a criss-cross manner, the silver paste channel bonding pads 3 are respectively arranged on the edge of the longitudinal edge and the edge of the transverse edge of the touch sensing sheet 1, and the silver paste channel bonding pads 3 are respectively connected with the geometric patterns which are arranged in the criss-cross manner in a one-to-one correspondence manner through a short section of silver paste line, namely each silver paste channel bonding pad is connected with one of longitudinal geometric patterns or one of transverse geometric patterns; be provided with a plurality of metal channel pads 4 and many induction drive wires 5 on the flexible FPC board 2, the one end of many induction drive wires 5 is connected with a plurality of metal channel pads 4 respectively, and the other end is connected with the master control card of capacitive screen, and metal channel pads 4 are the same with the quantity of silver thick liquid channel pad 3, a plurality of metal channel pads 4 on the flexible FPC board 2 are connected with a plurality of silver thick liquid channel pads 3 hot pressing on the touch-sensitive piece 1 respectively.
In this embodiment, the silver paste channel pads 3 are uniformly disposed on two adjacent sides of the touch sensing sheet 1, that is, on one of the two horizontal sides and one longitudinal side, the number of the flexible FPC boards 2 is multiple, the multiple flexible FPC boards 2 are respectively connected to two adjacent sides of the touch sensing sheet 1 through the metal channel pads 4, at least two flexible FPC boards 2 are connected to the same side of the touch sensing sheet 1 in an overlapping manner, and the shielding layer 6 is disposed between the flexible FPC boards 2 (the schematic diagram of the overlapping structure is the same as that in embodiment 3). Specifically, when the number of the flexible FPC boards 2 is three, one of the flexible FPC boards 2 may be connected to the longitudinal edge of the touch sensing sheet 1, and the other two flexible FPC boards 2 may be connected to the transverse edge of the touch sensing sheet 1 in an overlapping manner; further, when the number of the flexible FPC boards 2 is four or more, the flexible FPC boards 2 may be overlapped and connected to one or both sides of the touch sensing sheet 1 as needed.
Example 8
In any one of embodiments 4 to 7, the metal via pads 4 on the flexible FPC board 2 are arranged in a line.
Claims (8)
1. The utility model provides a narrow frame electric capacity screen which characterized in that: the touch panel comprises a touch sensing sheet (1) and a flexible FPC board (2), wherein a plurality of silver paste channel bonding pads (3) are arranged on the longitudinal edge and the transverse edge of the touch sensing sheet (1), and the silver paste channel bonding pads (3) are respectively connected with geometric patterns which are arranged on the touch sensing sheet (1) in a criss-cross mode; be provided with a plurality of metal channel pads (4) and many induction drive line (5) on flexible FPC board (2), many induction drive line (5) are connected with a plurality of metal channel pads (4) respectively, a plurality of metal channel pads (4) on flexible FPC board (2) are connected with a plurality of silver thick liquid channel pads (3) hot pressing on touch-sensitive piece (1) respectively.
2. The narrow-bezel capacitive screen of claim 1, wherein: the silver paste channel bonding pads (3) are at least arranged on two adjacent side edges of the touch sensing sheet (1).
3. A narrow-bezel capacitive screen as recited in claim 1 or claim 2, wherein: the quantity of flexible FPC board (2) is one, and metal channel pad (4) on flexible FPC board (2) are L shape and arrange, and flexible FPC board (2) are connected on touch-sensitive piece (1) through metal channel pad (4) that L shape was arranged.
4. A narrow-bezel capacitive screen as recited in claim 1 or claim 2, wherein: the number of the flexible FPC boards (2) is more than two, the metal channel bonding pads (4) on each flexible FPC board (2) are arranged in an L shape, the flexible FPC boards (2) are connected to the touch sensing sheet (1) in an overlapping mode through the metal channel bonding pads (4) arranged in the L shape, and a shielding layer (6) is arranged between the flexible FPC boards (2).
5. A narrow-bezel capacitive screen as recited in claim 1 or claim 2, wherein: the number of the flexible FPC boards (2) is two, and the two flexible FPC boards (2) are respectively connected to two adjacent side edges of the touch sensing sheet (1).
6. A narrow-bezel capacitive screen as recited in claim 1 or claim 2, wherein: the number of the flexible FPC boards (2) is multiple, the multiple flexible FPC boards (2) are connected to two adjacent sides of the touch sensing sheet (1) respectively, and at least two flexible FPC boards (2) are sequentially connected to the same side of the touch sensing sheet (1) side by side.
7. A narrow-bezel capacitive screen as recited in claim 1 or claim 2, wherein: the quantity of flexible FPC board (2) is many, and many flexible FPC boards (2) are connected at least at the arbitrary three sides of touch-sensitive piece (1), and the flexible FPC board (2) the both sides limit that parallel misplaces and distributes.
8. A narrow-bezel capacitive screen as recited in claim 1 or claim 2, wherein: the number of the flexible FPC boards (2) is multiple, the multiple flexible FPC boards (2) are respectively connected to two adjacent side edges of the touch sensing sheet (1), and at least two flexible FPC boards (2) are connected to the same side edge of the touch sensing sheet (1) in an overlapping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751706.XU CN209842594U (en) | 2019-05-23 | 2019-05-23 | Narrow frame electric capacity screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751706.XU CN209842594U (en) | 2019-05-23 | 2019-05-23 | Narrow frame electric capacity screen |
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| CN209842594U true CN209842594U (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162229A (en) * | 2019-05-23 | 2019-08-23 | 成都吉锐时代触摸技术有限公司 | Narrow frame capacitance plate |
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2019
- 2019-05-23 CN CN201920751706.XU patent/CN209842594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162229A (en) * | 2019-05-23 | 2019-08-23 | 成都吉锐时代触摸技术有限公司 | Narrow frame capacitance plate |
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