CN105511659A - Touch device and touch display device - Google Patents
Touch device and touch display device Download PDFInfo
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- CN105511659A CN105511659A CN201410551004.9A CN201410551004A CN105511659A CN 105511659 A CN105511659 A CN 105511659A CN 201410551004 A CN201410551004 A CN 201410551004A CN 105511659 A CN105511659 A CN 105511659A
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Abstract
The invention discloses a touch device and a touch display device. The touch device comprises a touch panel, a circuit board and a first signal transmission circuit, wherein the circuit board is disposed on a first side of the touch panel and comprises at least one first chip and multiple wires; the wires are connected to the first chip; and the first signal transmission circuit is connected to the wires by a conductive material. The invention also provides the touch display device.
Description
Technical field
The present invention relates to a kind of contactor control device and touch control display apparatus.
Background technology
In recent years, along with the fast development of every application such as signalling technique, radio mobile communication and signal household electrical appliances, lightly change and object user-friendly for operation to reach carrying convenience, volume, many Signal Products replace traditional keyboard or mouse as input media using contact panel.Common contactor control device is as intelligent mobile phone, panel computer etc.
In the prior art, the contact panel of contactor control device and wiring board (as printed circuit board (PCB)) are usually by flexible circuit board (FlexiblePrintedCircuit, FPC) be connected, and be usually arranged on flexible circuit board in order to the chip controlling contact panel.In order to reduce the overall volume of contactor control device, generally can bend flexible circuit board, with by wiring board and display panel stacked.
But because flexible circuit board being provided with chip and the low element of other flexibility, the bending space of flexible circuit board and bending degree are easily subject to the restriction of component placement.In addition, when the pin position being arranged on the increase of the number of elements on flexible circuit board or chip increases, the wire on flexible circuit board also needs to increase thereupon.Under the layout area of flexible circuit board is limited, the difficulty in the pin position increase easy increase component placement of number of elements increase or chip and manufacture craft cost.In addition, when these element physical strengths are low or thinner thickness, or when these elements are fixed on flexible circuit board by tin ball, bending flexible circuit board easily causes the be full of cracks of element cracked or tin ball, and reduces the reliability of entire system.Therefore how to promote the bending nargin of flexible circuit board and improve the problem of the reliability caused because of bending flexible circuit board, real is one of current research staff's problem of desiring most ardently solution.
Summary of the invention
The object of the present invention is to provide a kind of contactor control device, it is by arranging chip and the low element of other flexibility in the circuit board, to promote the bending nargin of flexible circuit board and to improve the problem of the reliability caused because bending flexible circuit board.
Another object of the present invention is to provide a kind of touch control display apparatus, and it is by arranging chip and the low element of other flexibility in the circuit board, to promote the bending nargin of flexible circuit board and to improve the problem of the reliability caused because bending flexible circuit board.
For reaching above-mentioned purpose, a kind of contactor control device of the present invention, it comprises contact panel, wiring board and the first signal transmission circuit.Wiring board is arranged on the first side of contact panel and has at least one first chip and many wires, and wherein wire is connected with the first chip.First signal transmission circuit is connected with wire by conductive material.
In one embodiment of this invention, the quantity of the first above-mentioned chip is multiple, and the first chip is at least along the first direction arrangement being parallel to the first side.
In one embodiment of this invention, above-mentioned two wires being positioned at outermost are separated by the first direction being parallel to the first side with the first signal transmission circuit maximum horizontal range respectively, and the edge of contiguous first chip of the first signal transmission circuit and the first chip to be separated by maximum normal distance in a second direction perpendicular to the first direction farthest away from the edge of the first signal transmission circuit, maximum horizontal range is less than the N of 4mm doubly, maximum normal distance is less than the N of 18.5mm doubly, and wherein N is the first chip line number in a second direction.
In one embodiment of this invention, above-mentioned wiring board has the bonding land of quadrilateral, and wire and the first chip are positioned at bonding land, bonding land has interconnective first limit between two, Second Edge, 3rd limit and the 4th limit, wherein the first limit and the 3rd limit are parallel to first direction, Second Edge and the 4th limit are parallel to second direction, Second Edge and the 4th limit connect the first limit and the 3rd limit respectively, first limit trims the edge in the first signal transmission circuit, 3rd limit trims in the edge of the first chip farthest away from the first signal transmission circuit, second and the 4th limit trim other elements wiring board prolonging the most contiguous bonding land of second direction arrangement, wherein in a first direction, one end that edge and the Second Edge of the contiguous Second Edge of the first signal transmission circuit are close to the first signal transmission circuit is separated by the first distance, the second distance and one end of the contiguous first signal transmission circuit in the edge on contiguous 4th limit of the first signal transmission circuit and the 4th limit is separated by, first distance and second distance are less than the N of 4mm doubly respectively, and maximum horizontal range is less than or equal to the first distance and second distance.
In one embodiment of this invention, above-mentioned maximum horizontal range equals the first distance and second distance, and the two bars of wires being positioned at outermost trim respectively in Second Edge and the 4th limit.
In one embodiment of this invention, above-mentioned maximum horizontal range is less than the first distance and second distance, the 3rd distance and the 4th distance and the two bars of wires being positioned at outermost are separated by with Second Edge and the 4th limit respectively.
In one embodiment of this invention, the 3rd above-mentioned distance and the 4th distance are greater than 0 respectively and are less than 2mm.
In one embodiment of this invention, the first above-mentioned signal transmission circuit is soft circuit.
A kind of touch control display apparatus of the present invention, it comprises contact panel, wiring board, the first signal transmission circuit and display panel.Wiring board is arranged on the first side of contact panel and has at least one first chip and many wires, and wherein wire is connected with the first chip.First signal transmission circuit is connected with wire by conductive material.Display panel is positioned at the below of contact panel.
In one embodiment of this invention, above-mentioned display panel also comprises multiple the second chip along first direction arrangement and multiple secondary signal transmits circuit.Secondary signal transmits circuit connection line plate and the second chip, and wherein the first signal transmission circuit and secondary signal transfer line curb first direction arrange and do not overlap each other.
Based on above-mentioned, contactor control device of the present invention and touch control display apparatus by order to drive the first chip of contact panel to arrange in the circuit board, to promote the bending nargin of the first signal transmission circuit and to improve the problem of the reliability caused because bending the first signal transmission circuit.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and the accompanying drawing appended by coordinating is described in detail below.
Accompanying drawing explanation
Fig. 1 is the upper schematic diagram of a kind of contactor control device of one embodiment of the invention;
Fig. 2 A is the enlarged diagram of the first layout kenel of the first chip in Fig. 1 in the A of region and wire;
Fig. 2 B is the diagrammatic cross-section of the hatching line A-A ' in Fig. 2 A;
Fig. 3 is the enlarged diagram of the second layout kenel of the first chip in Fig. 1 in the A of region and wire;
Fig. 4 is the enlarged diagram of the third layout kenel of the first chip in Fig. 1 in the A of region and wire;
Fig. 5 is the enlarged diagram of the 4th kind of layout kenel of the first chip in Fig. 1 in the A of region and wire;
Fig. 6 is the upper schematic diagram of a kind of touch control display apparatus of one embodiment of the invention.
Symbol description
10: touch control display apparatus
100: contactor control device
110: contact panel
120: wiring board
122: the first chips
124: wire
130: the first signal transmission circuits
140: conductive material
150: display panel
152: the second chips
154: secondary signal transmits circuit
A: region
B: bonding land
B1: the first limit
B2: Second Edge
B3: the three limit
B4: the four limit
D1: first direction
D2: second direction
DD1: the first distance
DD2: second distance
DD3: the three distance
DD4: the four distance
DHmax: maximum horizontal range
DVmax: maximum normal distance
E1, E2: element
MCU: microcontroller
S1: the first side
S2, S3, S4, S5: edge
A-A ': hatching line
Embodiment
Fig. 1 is the upper schematic diagram of a kind of contactor control device according to one embodiment of the invention.Fig. 2 A is the enlarged diagram of the first layout kenel of the first chip in Fig. 1 in the A of region and wire.Fig. 2 B is the diagrammatic cross-section of the hatching line A-A ' in Fig. 2 A.Please refer to Fig. 1, Fig. 2 A and Fig. 2 B, contactor control device 100 comprises contact panel 110, wiring board 120 and an one first signal transmission circuit 130.Wiring board 120 is arranged on one first side S1 of contact panel 110 and has at least one first chip 122 and many wires 124, and wherein wire 124 is connected with the first chip 122, and the first signal transmission circuit 130 is connected with wire 124 by a conductive material 140.
Contact panel 110 can be capacitance type touch-control panel, electric resistance touch-control panel, optical touch control panel or other forms of contact panel.The present invention is not in order to limit the kind of contact panel 110.Wiring board 120 is such as printed circuit board (PCB) or other are suitable for load-carrying unit and can receive and the conductive base of transmission of signal.First signal transmission circuit 130 is such as soft circuit.That is, the first signal transmission circuit 130 has flexibility, and visual demand and bending.
In the present embodiment, in order to drive the first chip 122 of contact panel 110 to be configured on wiring board 120, and the first chip 122 is electrically connected with contact panel 110 by wire 124 and the first signal transmission circuit 130.In addition, other also can may be affected the element (as resistance, electric capacity etc.) that the first signal transmission circuit 130 bends nargin and are transferred to wiring board 120 from the first signal transmission circuit 130 by the present embodiment further.Thus, compared to prior art, chip and the low element of flexibility are arranged on signal transmission circuit, the present embodiment, except the problem of reliability that the bending nargin and improving that can promote the first signal transmission circuit 130 causes because bending the first signal transmission circuit 130, also can improve and being limited to the problems such as difficulty in component placement that signal transmission circuit causes and manufacture craft cost because of component placement's area.
First signal transmission circuit 130 to be fixed on by conductive material 140 on wiring board 120 and to be electrically connected with wire 124.Conductive material 140 is such as anisotropic conductive film (AnisotropicConductiveFilm, ACF) or tin ball.That is, the first signal transmission circuit 130 and wire 124 are by pasting or being electrically connected to each other by the mode of scolding tin.In other words, the first signal transmission circuit 130 of the present embodiment is be electrically connected in the non-dismountable mode of one with wire 124.
In actual applications, the quantity of the first chip 122 is such as multiple.Because the distance between the length meeting of wire 124 and the first signal transmission circuit 130 and the first chip 122 is proportionate, therefore for avoiding because of apart from long and cause the impedance of wire 124 excessive, the first chip 122 is preferably arranged on the side of wiring board 120 relative proximity contact panel 110 and one end of contiguous first signal transmission circuit 130 connection line plate 120 is arranged.Further, be the resistance difference between the wire 124 that reduction and different first chip 122 connect, the first chip 122 at least arranges along the first direction D1 being parallel to the first side S1.For example, the quantity of first chip 122 of the present embodiment is such as two, and these two the first chips 122 are arranged in along first direction D1 by one end of the first signal transmission circuit 130 connection line plate 120.In addition, the wire 124 connected from the first different chips 122 is such as that mirror is to setting.
In the present embodiment, two wires 124 being positioned at outermost are separated by with the first signal transmission circuit 130 a maximum horizontal range DHmax respectively in the first direction dl, and an edge S2 of contiguous first chip 122 of the first signal transmission circuit 130 and the first chip 122 farthest away from an edge S3 of the first signal transmission circuit 130 perpendicular to a maximum normal distance DVmax that a second direction D2 of first direction D1 is separated by, maximum horizontal range DHmax is less than the N of 4mm doubly, maximum normal distance DVmax is less than the N of 18.5mm doubly, wherein N is the first chip 122 line number in a second direction d 2.First chip 122 of the present embodiment is arranged in a line along first direction D1, and therefore N equals 1.In other words, maximum horizontal range DHmax is less than 4mm, and maximum normal distance DVmax is less than 18.5mm.
In addition, wiring board 120 such as has the bonding land B of a quadrilateral, and wire 124 and the first chip 122 are positioned at bonding land B, bonding land B has interconnective one first limit B1, a Second Edge B2, one the 3rd limit B3 and the 4th limit B4 between two, wherein the first limit B1 and the 3rd limit B3 is parallel to first direction D1, Second Edge B2 and the 4th limit B4 is parallel to second direction D2, and Second Edge B2 and the 4th limit B4 connects the first limit B1 and the 3rd limit B3 respectively.First limit B1 trims the edge S2 in the first signal transmission circuit 130.3rd limit B3 trims in the edge S3 of the first chip 122 farthest away from the first signal transmission circuit 130.In the first direction dl, the one edge S4 of the contiguous Second Edge B2 of the first signal transmission circuit 130 and Second Edge B2 is separated by one first distance DD1, a second distance DD2 and an edge S5 of the contiguous 4th limit B4 of the first signal transmission circuit 130 and the 4th limit B4 is separated by, first distance DD1 and second distance DD2 is less than the N of 4mm doubly respectively, and maximum horizontal range DHmax is less than or equal to the first distance DD1 and second distance DD2.In the present embodiment, maximum horizontal range DHmax equals the first distance DD1 and second distance DD2, and the two bars of wires 124 being positioned at outermost trim respectively in Second Edge B2 and the 4th limit B4.In addition, Second Edge B2 and the 4th limit B4 also trims on wiring board 120, arrange the most contiguous bonding land B along second direction D2 other elements E1, E2 respectively, but the invention is not restricted to above-mentioned.Described element E1, E2 can be electric capacity, resistance or other circuit etc. respectively.
Fig. 3 is the enlarged diagram of the second layout kenel of the first chip in Fig. 1 in the A of region and wire.As shown in Figure 3, maximum horizontal range DHmax also can be less than the first distance DD1 and second distance DD2, one the 3rd distance DD3 and the 4th distance DD4 and the two bars of wires 124 being positioned at outermost are separated by with Second Edge B2 and the 4th limit B4 respectively.Described 3rd distance DD3 and the 4th distance DD4 be such as two bars of wires 124 and the most contiguous bonding land B being arranged in outermost in the B of bonding land other elements (as Fig. 2 A element E1, E2 of illustrating) distance in the first direction dl.That is, bonding land B can leave the region not arranging wire 124 in the first direction dl.In one embodiment, the 3rd distance DD3 and the 4th distance DD4 is such as greater than 0 respectively and is less than 2mm.For the electromagnetic interference (EMI) (Electro-MagneticInterference, EMI) avoiding the first chip 122 and wire 124 to be subject to other adjacent circuits, the region not arranging wire 124 can arrange ground path (not illustrating) further.
Moreover, wiring board 120 also can be provided with further a microcontroller (microcontrolunit) be electrically connected with the first chip 122.In one embodiment, microcontroller also can be integrated in the first chip 122.
Fig. 1 to Fig. 3 embodiment is under the quantity of the first chip 122 is the framework of two, and the relation that is oppositely arranged between the first chip 122 and the first signal transmission circuit 130 and the layout kenel of wire 124 in the B of bonding land are described.But, the invention is not restricted to above-mentioned.Fig. 4 is the enlarged diagram of the third layout kenel of the first chip in Fig. 1 in the A of region and wire, and the first chip 122 wherein in Fig. 2 A and Fig. 4 is roughly the same with the relation that is oppositely arranged between the first signal transmission circuit 130 and the layout kenel of wire 124 in the B of bonding land.
Main Differences is, the quantity of the first chip 122 of Fig. 4 embodiment is three.But because the pin count of the first signal transmission circuit 130 increases with the increase of the quantity of the first chip 122, therefore maximum horizontal range DHmax can remain unchanged.In addition, the first chip 122 is arranged in a line along first direction D1, and therefore N still equals 1.That is, maximum horizontal range DHmax, the first distance DD1 and second distance DD2 are less than 4mm, and maximum normal distance DVmax is less than 18.5mm.In addition, the maximum horizontal range DHmax of the present embodiment can be less than or equal to the first distance DD1 and second distance DD2.
In Fig. 1 to Fig. 4 embodiment, the first chip 122 is all arranged in a line along first direction D1, but the present invention is not limited thereto.Fig. 5 is the enlarged diagram of the 4th kind of layout kenel of the first chip in Fig. 1 in the A of region and wire.The Main Differences of Fig. 5 and Fig. 2 A is, the quantity of the first chip 122 of Fig. 5 embodiment is four, and the first chip 122 is such as arranged in the kenel of matrix along first direction D1 and second direction D2.Because the first chip 122 line number is in a second direction d 22, therefore, maximum horizontal range DHmax, the first distance DD1 and second distance DD2 are less than the twice (i.e. 8mm) of 4mm, and maximum normal distance DVmax is less than the twice (i.e. 37mm) of 18.5mm.In addition, maximum horizontal range DHmax can be less than or equal to the first distance DD1 and second distance DD2.Moreover first chip 122 of the present embodiment is such as integrated with microcontroller.
Fig. 6 is the upper schematic diagram of a kind of touch control display apparatus according to one embodiment of the invention.Please refer to Fig. 6, the touch control display apparatus 10 of the present embodiment comprises aforesaid contact panel 110, wiring board 120, first signal transmission circuit 130 and a display panel 150, and wherein display panel 150 is positioned at the below of contact panel 110.Display panel 150 also comprises multiple the second chip 152 along first direction D1 arrangement and multiple secondary signal transmits circuit 154.Secondary signal transmits circuit 154 connection line plate 120 and the second chip 152, and wherein the first signal transmission circuit 130 and secondary signal are transmitted circuit 154 and arranged along first direction D1 and do not overlap each other.
In sum, contactor control device of the present invention and touch control display apparatus by order to drive the first chip of contact panel to arrange in the circuit board, to promote the nargin of the first signal transmission circuit in bending and to reduce the problem of the reliability caused because bending the first signal transmission circuit.
Although disclose the present invention in conjunction with above embodiment; but itself and be not used to limit the present invention; have in any art and usually know the knowledgeable; without departing from the spirit and scope of the present invention; a little change and retouching can be done, therefore being as the criterion of should defining with the claim of enclosing of protection scope of the present invention.
Claims (10)
1. a contactor control device, comprising:
Contact panel;
Wiring board, is arranged on the first side of contact panel, and has at least one first chip and many wires, and wire is connected with the first chip; And
First signal transmission circuit, is connected with wire by conductive material.
2. contactor control device as claimed in claim 1, wherein the quantity of the first chip is multiple, and the first chip is at least along the first direction arrangement being parallel to the first side.
3. contactor control device as claimed in claim 1, two wires being wherein positioned at outermost are separated by the first direction being parallel to the first side with the first signal transmission circuit maximum horizontal range respectively, and the edge of contiguous first chip of the first signal transmission circuit and the first chip to be separated by maximum normal distance in a second direction perpendicular to the first direction farthest away from the edge of the first signal transmission circuit, maximum horizontal range is less than the N of 4mm doubly, maximum normal distance is less than the N of 18.5mm doubly, and wherein N is the first chip line number in a second direction.
4. contactor control device as claimed in claim 3, wherein wiring board has the bonding land of quadrilateral, and wire and the first chip are positioned at bonding land, bonding land has interconnective first limit between two, Second Edge, 3rd limit and the 4th limit, wherein the first limit and the 3rd limit are parallel to first direction, Second Edge and the 4th limit are parallel to second direction, Second Edge and the 4th limit connect the first limit and the 3rd limit respectively, first limit trims the edge in the first signal transmission circuit, 3rd limit trims in the edge of the first chip farthest away from the first signal transmission circuit, wherein in a first direction, the edge of the contiguous Second Edge of the first signal transmission circuit and Second Edge are separated by the first distance, the second distance and the edge on contiguous 4th limit of the first signal transmission circuit and the 4th limit are separated by, first distance and second distance are less than the N of 4mm doubly respectively, and maximum horizontal range is less than or equal to the first distance and second distance.
5. contactor control device as claimed in claim 4, wherein maximum horizontal range equals the first distance and second distance, and the two bars of wires being positioned at outermost trim respectively in Second Edge and the 4th limit.
6. contactor control device as claimed in claim 4, wherein maximum horizontal range is less than the first distance and second distance, the 3rd distance and the 4th distance and the two bars of wires being positioned at outermost are separated by with Second Edge and the 4th limit respectively.
7. contactor control device as claimed in claim 6, wherein the 3rd distance and the 4th distance are greater than 0 respectively and are less than 2mm.
8. contactor control device as claimed in claim 1, wherein the first signal transmission circuit is soft circuit.
9. a touch control display apparatus, comprising:
Contact panel;
Wiring board, is arranged on the first side of contact panel, and has at least one first chip and many wires, and wire is connected with the first chip;
First signal transmission circuit, is connected with wire by conductive material; And
Display panel, is positioned at the below of contact panel.
10. touch control display apparatus as claimed in claim 9, wherein display panel also comprises:
Multiple the second chip along first direction arrangement; And
Multiple secondary signal transmits circuit, and connection line plate and the second chip, wherein the first signal transmission circuit and secondary signal transfer line curb first direction arrange and do not overlap each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551004.9A CN105511659B (en) | 2014-10-16 | 2014-10-16 | Touch device and touch control display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551004.9A CN105511659B (en) | 2014-10-16 | 2014-10-16 | Touch device and touch control display apparatus |
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| Publication Number | Publication Date |
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| CN105511659A true CN105511659A (en) | 2016-04-20 |
| CN105511659B CN105511659B (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410551004.9A Active CN105511659B (en) | 2014-10-16 | 2014-10-16 | Touch device and touch control display apparatus |
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Cited By (1)
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| CN109313517A (en) * | 2016-06-09 | 2019-02-05 | 夏普株式会社 | Display device and its manufacturing method with touch panel |
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|---|---|
| CN105511659B (en) | 2018-10-02 |
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