CN111459344B - Touch control equipment and manufacturing process thereof - Google Patents
Touch control equipment and manufacturing process thereof Download PDFInfo
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- CN111459344B CN111459344B CN202010145633.7A CN202010145633A CN111459344B CN 111459344 B CN111459344 B CN 111459344B CN 202010145633 A CN202010145633 A CN 202010145633A CN 111459344 B CN111459344 B CN 111459344B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses touch equipment and a manufacturing process thereof, wherein the touch equipment comprises an annular outer frame and a transparent cover plate for closing one opening end of the annular outer frame, a first electrode layer and a second electrode layer are arranged in the annular outer frame, the first electrode layer and the second electrode layer are parallel to each other and are not in contact with each other, and the first electrode layer and the second electrode layer are wrapped by a transparent insulating filling layer filled in the annular outer frame; the first electrode layer comprises a plurality of parallel first metal wires, the second electrode layer comprises a plurality of parallel second metal wires, the first metal wires are not parallel to the second metal wires, and the first metal wires and the second metal wires are parallel to the transparent cover plate respectively. The touch control equipment and the manufacturing process thereof simplify the structure and the manufacturing process of the touch control screen, save material cost and process cost, synchronously reduce the thickness of the product and are beneficial to realizing the light and thin design purpose of the whole machine.
Description
Technical Field
The invention relates to the technical field of touch screens, in particular to touch equipment and a manufacturing process thereof.
Background
The capacitive touch screen is a touch screen scheme with wide application, and occupies a leading position in various intelligent interactive display devices. The conventional capacitive touch screen has the disadvantages of complex structure, more lamination, high material and process cost and difficulty in thickness control, so that the overall thickness of the touch equipment is large, and the development requirement of light and thin is not met.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the touch equipment and the manufacturing process thereof, which simplify the structure and the manufacturing process of the touch screen, save the material cost and the process cost, synchronously reduce the thickness of the product and are beneficial to realizing the light and thin design purpose of the whole machine.
The touch control equipment comprises an annular outer frame and a transparent cover plate for closing an opening at one end of the annular outer frame, wherein a first electrode layer and a second electrode layer are arranged in the annular outer frame, are parallel to each other and are not in contact with each other, and are wrapped by a transparent insulating filling layer filled in the annular outer frame;
the first electrode layer comprises a plurality of parallel first metal wires, the second electrode layer comprises a plurality of parallel second metal wires, the first metal wires are not parallel to the second metal wires, the second metal wires are parallel to the transparent cover plate respectively, and the first metal wires and the second metal wires are used for being connected with an external circuit respectively.
Optionally, the annular outer frame is provided with a plurality of first terminals arranged in pairs and used for being connected with an external circuit, the paired first terminals are arranged oppositely, one end of any first metal wire is fixed on one of the paired first terminals, and the other end of any first metal wire is fixed on the other of the paired first terminals.
Optionally, the plurality of first terminals are not in contact with each other; optionally, any one of the first terminals is used to fix only one of the first wires.
Optionally, the first terminal is embedded in the peripheral wall of the annular outer frame, a first wire outlet is formed in the inner peripheral surface of the annular outer frame, and the tail end of the first metal wire passes through the first wire outlet and is fixed to the first terminal; optionally, the connection end of the first terminal is exposed on the outer surface of the annular outer frame.
Optionally, the annular outer frame is provided with a plurality of second terminals arranged in pairs and used for being connected with an external circuit, the paired second terminals are arranged oppositely, one end of any second metal wire is fixed on one of the paired second terminals, and the other end of any second metal wire is fixed on the other of the paired second terminals.
Optionally, the plurality of second terminals are not in contact with each other; optionally, any of the second terminals is used to secure only a second wire.
Optionally, the second terminal is embedded in the peripheral wall of the annular outer frame, a second wire outlet is arranged on the inner peripheral surface of the annular outer frame, and the tail end of the second metal wire passes through the second wire outlet and then is fixed to the second terminal; the connection end of the second terminal is exposed on the outer surface of the annular outer frame.
Optionally, the touch device further includes a protection housing, and the protection housing closes an opening at one end of the annular outer frame, which is far away from the transparent cover plate.
Optionally, the touch device further includes a display module, and the display module closes an opening at one end of the annular outer frame, which is far away from the transparent cover plate.
Optionally, the display module includes a backlight module and a liquid crystal panel, the liquid crystal panel is fixed on a side surface of the transparent insulating filling layer away from the transparent cover plate, and the backlight module closes an opening at one end of the annular outer frame away from the transparent cover plate.
Optionally, the transparent insulating filling layer is formed by filling transparent insulating optical cement.
Optionally, the transparent insulating filling layer abuts against the transparent cover plate.
Optionally, the diameter of the first metal wire is 10-20 microns.
Optionally, the diameter of the second metal wire is 10-20 microns.
The manufacturing process of the touch control equipment provided by the invention comprises the following steps:
respectively arranging a first electrode layer and a second electrode layer in an annular outer frame, wherein the first electrode layer comprises a plurality of parallel first metal wires, the second electrode layer comprises a plurality of parallel second metal wires, the first metal wires and the second metal wires are not parallel to each other, and the first metal wires and the second metal wires are respectively parallel to the end surface of the annular outer frame;
taking a transparent cover plate to seal an opening at one end of the annular outer frame;
and filling a transparent insulating material in the annular outer frame until the first electrode layer and the second electrode layer are completely wrapped.
Optionally, the annular outer frame has a plurality of first terminals disposed in pairs and used for connecting with an external circuit, and a plurality of second terminals disposed in pairs and used for connecting with an external circuit, and the disposing the first electrode layer and the second electrode layer inside the annular outer frame respectively includes:
fixing one end of the first wire to one of the pair of first terminals and the other end of the first wire to the other of the pair of first terminals;
the second wire is fixed at one end to one of the pair of second terminals and at the other end to the other of the pair of second terminals.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
forming a first electrode layer by arranging a plurality of first metal wires in parallel, forming a second electrode layer by arranging a plurality of second metal wires in parallel, and filling and wrapping the second electrode layer by a transparent insulating filling layer to realize the insulating protection between the first electrode layer and the second electrode layer so as to form mutual capacitance between the first electrode layer and the second electrode layer at the intersection; the touch control function is realized by the metal wire, two layers of transparent conductive films required by the traditional structure and an OCA glue layer for realizing bonding between the structures of all layers are saved, the material cost and the process cost are saved, the thickness of the touch control screen is reduced, and the light and thin design purpose of the whole machine is favorably realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a touch device according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a location M of the touch device shown in FIG. 1;
FIG. 3 is a schematic top view of the touch device shown in FIG. 1;
FIG. 4 is a schematic view of a partial structure of the touch device shown in FIG. 1;
fig. 5 is a schematic structural diagram of a touch device according to embodiment 2 of the present invention;
fig. 6 is a process flow chart of a manufacturing process of a touch device according to embodiment 3 of the present invention.
Description of the main element symbols:
1-annular outer frame, 11-first wire outlet, 12-second wire outlet, 2-transparent cover plate, 2A-first glue layer, 31-first metal wire, 41-second metal wire, 5-transparent insulating filling layer, 6-first terminal, 7-second terminal, 81-backlight module and 82-liquid crystal panel.
Detailed Description
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 4, the present embodiment discloses a specific structure of a touch device, which includes an annular outer frame 1, a transparent cover plate 2, a first electrode layer, a second electrode layer, and a transparent insulating filling layer 5, so as to greatly reduce the number of structural layers and the amount of materials used. The touch device may be a touch screen as an independent product, or may be an interactive device with a touch function (such as a touch mobile phone, a tablet computer, a notebook computer, and other intelligent devices).
The annular outer frame 1 has an annular structure, on one hand, provides an integral structural support, and on the other hand, an inner cavity for accommodating the first electrode layer, the second electrode layer and the transparent insulating filling layer 5 is formed inside the annular outer frame. Exemplarily, the annular outer frame 1 is made of a profile. The annular shape of the annular outer frame 1 is determined according to the desired shape of the product, such as a square ring, a circular ring or other irregular ring.
The transparent cover 2 seals an opening at one end of the annular outer frame 1, and the sealing manner can be specifically that the transparent cover covers the end face of the annular outer frame 1 or is embedded and filled in the opening at the end of the annular outer frame 1, so that the opening at the end can be sealed tightly. The transparent cover plate 2 and the ring-shaped outer frame 1 can be fixed by various connecting means, such as bonding, screwing, pin-jointing and the like. Exemplarily, the transparent cover plate 2 and the annular outer frame 1 are fixed by bonding with a first glue layer 2A (e.g., OCA glue). The transparent cover 2 is made of a transparent material, and may be a glass cover, a polymer transparent cover, or the like.
The annular outer frame 1 is internally provided with a first electrode layer and a second electrode layer which are parallel to each other and are not in contact with each other. Meanwhile, the first electrode layer and the second electrode layer are wrapped by the transparent insulating filling layer 5 filled in the annular outer frame 1, so that the first electrode layer and the second electrode layer are fixedly protected, and the first electrode layer and the second electrode layer are insulated.
The first electrode layer includes a plurality of parallel first metal wires 31, and the second electrode layer includes a plurality of parallel second metal wires 41. The first metal wire 31 and the second metal wire 41 are not parallel to each other, and the first metal wire 31 and the second metal wire 41 are parallel to the transparent cover 2 respectively. Accordingly, the first wires 31 and the second wires 41 form a criss-cross distribution, i.e. the projections of the first wires 31 and the second wires 41 along the axial direction of the annular frame 1 are maintained to intersect. At each intersection, a mutual capacitance is formed between the first wire 31 and the second wire 41, so that the first electrode layer and the second electrode layer form a mutual capacitance at each intersection. The first wire 31 and the second wire 41 are respectively used for connecting to an external circuit (e.g., a driving/control circuit).
Exemplarily, the first wire 31 extends in a first direction and is a straight wire, and the second wire 41 extends in a second direction and is another straight wire, and the first direction and the second direction are perpendicular to each other. Exemplarily, the diameter of the first wire 31 is 10 to 20 micrometers, which not only considers the structural strength and reliability, but also ensures a smaller size to avoid obstructing the visual effect. Similarly, the diameter of the second wire 41 is 10 to 20 μm.
Exemplarily, the annular outer frame 1 is provided with a plurality of first terminals 6, the plurality of first terminals 6 are arranged in pairs and are used for connecting with an external circuit (for example, a driving/controlling circuit), and one end of any first wire 31 is fixed on one of the pair of first terminals 6, and the other end is fixed on the other of the pair of first terminals 6. Thus, any one of the first wires 31 is connected to the external circuit through the pair of first terminals 6. Wherein the pairs of first terminals 6 are oppositely disposed.
Exemplarily, the plurality of first terminals 6 are not in contact with each other. Exemplarily, any one of the first terminals 6 is only used for fixing one first wire 31 to form a one-to-one correspondence relationship, so as to ensure more regular distribution and connection.
Exemplarily, the first terminal 6 is embedded in the peripheral wall of the annular outer frame 1, the inner peripheral surface of the annular outer frame 1 is provided with a first wire outlet 11, and the end of the first metal wire 31 is fixed on the first terminal 6 after passing through the first wire outlet 11. Wherein, the connection end of the first terminal 6 is exposed on the outer surface of the annular outer frame 1, thereby realizing electrical connection with an external circuit. The first terminal 6 may be a male socket or a female socket, and exemplarily, the first terminal 6 is a female socket that is inserted and fixed with a male socket of an external circuit to realize structural connection and circuit connection.
Exemplarily, the annular outer frame 1 is provided with a plurality of second terminals 7, the plurality of second terminals 7 are arranged in pairs and are used for connecting with an external circuit (for example, a driving/control circuit board), and one end of any second wire 41 is fixed on one of the pair of second terminals 7, and the other end is fixed on the other of the pair of second terminals 7. Thereby, any one of the second wires 41 is connected to the external circuit through the pair of second terminals 7. Wherein the pairs of second terminals 7 are oppositely arranged.
Exemplarily, the plurality of second terminals 7 are not in contact with each other. Exemplarily, any one of the second terminals 7 is only used for fixing one second wire 41, so as to form a one-to-one correspondence relationship, thereby ensuring more regular distribution and connection.
Exemplarily, the second terminal 7 is embedded in the peripheral wall of the annular outer frame 1, the inner peripheral surface of the annular outer frame 1 is provided with a second outlet 12, and the end of the second wire 41 is fixed on the second terminal 7 after passing through the second outlet 12; the connection ends of the second terminals 7 are exposed on the outer surface of the ring-shaped outer frame 1 to be electrically connected to an external circuit. The second terminal 7 may be a male socket or a female socket, and exemplarily, the second terminal 7 is a female socket, and is inserted and fixed with a male socket of an external circuit to realize structural connection and circuit connection.
Exemplarily, the transparent insulating filling layer 5 is formed by filling a transparent insulating optical glue. For example, the transparent insulating optical cement is transparent optical cement (OCA cement), and has better flexibility.
Exemplarily, the touch device further includes a protection housing, the protection housing encloses an opening at one end of the annular outer frame 1 away from the transparent cover 2, and the enclosed form of the protection housing is similar to that of the transparent cover 2, which is not described herein again. In other words, the transparent cover plate 2 and the protection casing are separated at two ends of the annular outer frame 1, so that the touch device can be completely packaged and can be independently applied to a touch function. The protective casing can be made of different materials, such as glass, plastic, metal, etc. types. Illustratively, the protective housing abuts a transparent insulating fill layer 5, providing structural support.
When the transparent cover 2 is touched by a user, the coupling between the first electrode layer and the second electrode layer near the touch point is affected, so that the capacitance at the intersection between the first electrode layer and the second electrode layer is changed. And calculating to obtain the two-dimensional coordinates of the touch point according to the variable quantity of the mutual capacitance, thereby determining the real position of the touch point and realizing the touch function. One of the first electrode layer and the second electrode layer is a driving electrode for emitting an excitation signal, and the other one is a receiving electrode for receiving a signal.
The touch control device of the embodiment does not need to adopt a transparent conductive film (generally made of ITO or SNW nano silver wire materials, and the manufacturing cost is high), and compared with a traditional structure needing to adopt two layers of transparent conductive films, the touch control device reduces the using amount of the transparent conductive film on the one hand, greatly reduces the material cost, reduces the number of structural layers and the using amount of OCA water gel for bonding each structural layer on the other hand, further reduces the material cost and the process cost, further effectively compresses the thickness of a touch control screen and the thickness of the whole product, and realizes the light and thin design.
Example 2
Referring to fig. 1 to 5, the present embodiment discloses a specific structure of a touch device, which has dual functions of touch and display. The present embodiment is different from embodiment 1 in that the protection housing is replaced by a display module. The rest of the same parts are not described in detail.
Exemplarily, the touch device further comprises a display module, the display module seals an opening at one end of the annular outer frame 1, which is far away from the transparent cover plate 2, and provides a display function through the display module, so that the touch device is a capacitive touch display screen of an independent product or an interactive device (such as a touch mobile phone, a tablet computer, a notebook computer and other intelligent devices) with a touch display function. The display module is similar to the transparent cover 2 in the closed form, and the description thereof is omitted.
Exemplarily, the display module includes a backlight module 81 and a liquid crystal panel 82, the liquid crystal panel 82 is fixed on a side surface of the transparent insulating filling layer 5 away from the transparent cover plate 2, and the backlight module 81 closes an opening at one end of the annular outer frame 1 away from the transparent cover plate 2. The backlight module generally includes a back plate and a light source (e.g., an LED light source).
Example 3
Referring to fig. 1 to 6, the present embodiment discloses a manufacturing process of a touch device, which is used to manufacture the touch device disclosed in embodiment 1 or 2, and the manufacturing process includes the following steps:
step A: a first electrode layer and a second electrode layer are respectively arranged in an annular outer frame 1. The first electrode layer includes a plurality of parallel first metal wires 31, the second electrode layer includes a plurality of parallel second metal wires 41, the first metal wires 31 are not parallel to the second metal wires 41, and the first metal wires 31 and the second metal wires 41 are parallel to the end surface of the annular outer frame 1. Wherein, two ends of the first metal wire 31 are respectively fixed on the annular outer frame 1, and two ends of the second metal wire 41 are also respectively fixed on the annular outer frame 1.
And B: a transparent cover plate 2 is taken to close one end opening of the annular outer frame 1. The transparent cover plate 2 can close the opening at one end of the annular outer frame 1 in different ways, for example, cover the opening at one end of the annular outer frame 1 or plug the opening at one end of the annular outer frame 1 by embedded filling. The transparent cover plate 2 can be fixed by different connection modes, and typically, the transparent cover plate can be fixed by bonding by using optical cement.
And C: and filling a transparent insulating material in the annular outer frame 1 until the first electrode layer and the second electrode layer are completely wrapped. For example, the annular outer frame 1 with one end closed by the transparent cover 2 is inverted, the transparent cover 2 is located below the annular outer frame 1, an opening of the annular outer frame 1 far away from the transparent cover 2 is located above, the opening is filled with the transparent insulating material from the above position until the transparent insulating material is not covered by the first electrode layer and the second electrode layer, and then the transparent insulating material is cured to form the transparent insulating filling layer 5.
Exemplarily, the annular outer frame 1 has a plurality of first terminals 6 disposed in pairs for connecting with an external circuit and a plurality of second terminals 7 disposed in pairs for connecting with an external circuit, and the "disposing the first electrode layer and the second electrode layer respectively inside the annular outer frame 1" specifically includes:
step A1: fixing a first wire 31 at one end to one of the pair of first terminals 6 and at the other end to the other of the pair of first terminals 6;
step A2: the second wire 41 is fixed at one end to one of the pair of second terminals 7 and at the other end to the other of the pair of second terminals 7.
It should be noted that step a and step B are not consecutive, and step a1 and step a2 are also not consecutive. In addition, the manufacturing process may further include the following steps:
the protection shell or the display module is used for sealing one end opening of the annular outer frame 1, which is far away from the transparent cover plate 2. The protection shell or the display module can be fixed on one end face of the annular outer frame 1 through different connection modes, typically, the protection shell or the display module can be fixed by bonding through optical cement, and when the transparent insulating material which is filled and wrapped on the first electrode layer and the second electrode layer in the annular outer frame 1 is optical cement, the protection shell or the display module can be directly fixed by bonding through the transparent insulating material. When the protective shell is adopted for sealing, a pure touch screen product only with a touch function is obtained; when the display module is adopted for sealing, the touch display screen product with the touch function and the display function is obtained.
The process does not need to bond multiple layers of transparent conductive films layer by layer, greatly simplifies the structural process, reduces the production time, improves the labor productivity and saves the process cost.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The touch control equipment is characterized by comprising an annular outer frame and a transparent cover plate for closing one end opening of the annular outer frame, wherein a first electrode layer and a second electrode layer are arranged in the annular outer frame, the first electrode layer and the second electrode layer are parallel to each other and are not in contact with each other, and the first electrode layer and the second electrode layer are wrapped by a transparent insulating filling layer filled in the annular outer frame;
the first electrode layer comprises a plurality of parallel first metal wires, the second electrode layer comprises a plurality of parallel second metal wires, the first metal wires and the second metal wires are not parallel to each other, and the first metal wires and the second metal wires are parallel to the transparent cover plate respectively; the first metal wire and the second metal wire are respectively crossed along the axial projections of the annular outer frame, mutual capacitance is formed between the first metal wire and the second metal wire at each crossed point, and touch operation is sensed through the change of the mutual capacitance; the first metal wire and the second metal wire are respectively used for connecting with an external circuit.
2. The touch device according to claim 1, wherein the annular outer frame has a plurality of first terminals disposed in pairs and connected to an external circuit, the first terminals in pairs are disposed opposite to each other, and one end of any one of the first wires is fixed to one of the first terminals in pairs and the other end of the first wire is fixed to the other of the first terminals in pairs; the first terminals are not contacted with each other, and any one first terminal is only used for fixing a first metal wire.
3. The touch device of claim 2, wherein the first terminal is embedded in a peripheral wall of the annular outer frame, an inner peripheral surface of the annular outer frame is provided with a first wire outlet, and a terminal of the first wire is fixed to the first terminal after passing through the first wire outlet; the connection end of the first terminal is exposed on the outer surface of the annular outer frame.
4. The touch device according to claim 1, wherein the annular outer frame has a plurality of second terminals arranged in pairs and connected to an external circuit, the pairs of second terminals are arranged opposite to each other, one end of each of the second wires is fixed to one of the pairs of second terminals, and the other end of each of the second wires is fixed to the other of the pairs of second terminals; the second terminals are not contacted with each other, and any one of the second terminals is only used for fixing a second metal wire.
5. The touch device of claim 4, wherein the second terminal is embedded in a peripheral wall of the annular outer frame, a second wire outlet is formed in an inner peripheral surface of the annular outer frame, and a terminal of the second wire is fixed to the second terminal after passing through the second wire outlet; the connection end of the second terminal is exposed on the outer surface of the annular outer frame.
6. The touch device of claim 1, further comprising a protective casing, wherein the protective casing closes an opening at one end of the annular outer frame away from the transparent cover plate.
7. The touch device of claim 1, further comprising a display module, wherein the display module closes an opening at one end of the annular outer frame away from the transparent cover plate; the display module comprises a backlight module and a liquid crystal panel, the liquid crystal panel is fixed on one side surface of the transparent insulating filling layer, which is far away from the transparent cover plate, and the backlight module seals an opening at one end of the annular outer frame, which is far away from the transparent cover plate.
8. The touch device of claim 1, wherein the transparent insulating filling layer is formed by filling a transparent insulating optical adhesive, and the transparent insulating filling layer abuts against the transparent cover plate; and/or the diameter of the first metal wire is 10-20 microns; and/or the diameter of the second metal wire is 10-20 microns.
9. The manufacturing process of the touch equipment is characterized by comprising the following steps:
respectively arranging a first electrode layer and a second electrode layer in an annular outer frame, wherein the first electrode layer comprises a plurality of parallel first metal wires, the second electrode layer comprises a plurality of parallel second metal wires, and the first metal wires and the second metal wires are not parallel to each other; the first metal wire and the second metal wire are respectively crossed along the axial projections of the annular outer frame, mutual capacitance is formed between the first metal wire and the second metal wire at each crossed point, and touch operation is sensed through the change of the mutual capacitance; the first metal wire and the second metal wire are respectively parallel to the end face of the annular outer frame;
taking a transparent cover plate to seal an opening at one end of the annular outer frame;
and filling a transparent insulating material in the annular outer frame until the first electrode layer and the second electrode layer are completely wrapped.
10. The manufacturing process of touch device according to claim 9, wherein the annular frame has a plurality of first terminals disposed in pairs for connecting to an external circuit and a plurality of second terminals disposed in pairs for connecting to an external circuit, and the disposing the first electrode layer and the second electrode layer inside the annular frame respectively comprises:
fixing one end of the first wire to one of the pair of first terminals and the other end of the first wire to the other of the pair of first terminals;
the second wire is fixed at one end to one of the pair of second terminals and at the other end to the other of the pair of second terminals.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145633.7A CN111459344B (en) | 2020-03-05 | 2020-03-05 | Touch control equipment and manufacturing process thereof |
| PCT/CN2020/111454 WO2021174773A1 (en) | 2020-03-05 | 2020-08-26 | Touch device and manufacturing method therefor |
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| CN202010145633.7A CN111459344B (en) | 2020-03-05 | 2020-03-05 | Touch control equipment and manufacturing process thereof |
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| CN111459344A CN111459344A (en) | 2020-07-28 |
| CN111459344B true CN111459344B (en) | 2021-08-10 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105117085A (en) * | 2015-09-07 | 2015-12-02 | 武汉华星光电技术有限公司 | Embedded touch panel and manufacture method of same |
| CN206339950U (en) * | 2016-09-28 | 2017-07-18 | 昆山龙腾光电有限公司 | Touch-control display panel |
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| CN111459344B (en) * | 2020-03-05 | 2021-08-10 | 深圳市鸿合创新信息技术有限责任公司 | Touch control equipment and manufacturing process thereof |
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- 2020-08-26 WO PCT/CN2020/111454 patent/WO2021174773A1/en active Application Filing
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| CN105117085A (en) * | 2015-09-07 | 2015-12-02 | 武汉华星光电技术有限公司 | Embedded touch panel and manufacture method of same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111459344A (en) | 2020-07-28 |
| WO2021174773A1 (en) | 2021-09-10 |
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