CN103699250A - Touch control display module and handheld electronic device - Google Patents
Touch control display module and handheld electronic device Download PDFInfo
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- CN103699250A CN103699250A CN201210366981.2A CN201210366981A CN103699250A CN 103699250 A CN103699250 A CN 103699250A CN 201210366981 A CN201210366981 A CN 201210366981A CN 103699250 A CN103699250 A CN 103699250A
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Abstract
The invention provides a touch control display module and a handheld electronic device. The touch control display module comprises a display panel and a touch control panel, wherein the touch control panel has a sensing region and an engaging region, and comprises a first substrate, a plurality of driving wires, a plurality of sensing wires, a plurality of lead wires and shielding patterns, the driving wires are parallelly arranged on a first surface of the first substrate, the sensing wires are parallelly arranged on a second surface of the first substrate and form sensing matrixes with the driving wires, the lead wires are arranged on the second surface, are positioned outside the sensing region, are electrically connected with the sensing wires and extend to the engaging region, the shielding patterns are arranged on the first surface, and in addition, a vertical protection of the shielding patterns on the second surface can shield the lead wires. The invention also provides the handheld electronic device adopting the touch control display module.
Description
Technical field
The present invention relates to a kind of hand-hold electronic device, and be particularly related to the hand-hold electronic device with touch-control display module.
Background technology
In information society now, the mankind increase gradually for the dependence of the electronic installation of consumption-orientation.Such as mobile phone, PDA(Personal Digital Assistant) and flat computer (Tablet PC) etc. are seen everywhere arround life, so the electronic installation of consumption-orientation and modern's daily life have inseparable relation.In order to reach more convenient, volume, more lightly change and more humane object, many products, by input medias such as traditional keyboard or mouses, change into and use contact panel as input media.
Contact panel can be divided into electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel haply according to the difference of sensing form.Because capacitance type touch-control panel has that the reaction time is fast, fiduciary level is good and the advantage such as resolution high (high definition) compared to the contact panel of other types, be therefore widely used on all kinds of hand-hold electronic devices.
Capacitance type touch-control panel forms sensing array by interlaced a plurality of sensing serials, to reach the sensing of face.When user is during with finger contact contact panel, contact panel can judge according to the capacitance variations on sensing array the position of finger contact.Yet, outside the sensing array of contact panel, be still furnished with many connection lines.For fear of these connection lines, expose, and affect the outward appearance of electronic installation, conventionally need on the transparent cover plate of electronic installation, form shielded area, cover these connection lines, thereby increase cost of manufacture.When user operates contact panel, point easy and these connection lines induction generation capacitance coupling effects, and affect the sensing accuracy of contact panel.In addition, during electronic installation running, the electronic component of electronic installation inside easily generates an electromagnetic field, and electromagnetic field is accompanied by the effect of voltage and electric current and then the performance of contact panel is exerted an influence.
Summary of the invention
The present invention proposes a kind of touch-control display module, comprises display panel and contact panel.Contact panel is disposed on display panel, and has sensing area and be positioned at the bonding land outside sensing area, and contact panel comprises the first base material, many drive wires, many sense wires, a plurality of leads and shielding patterns.The first base material has first surface and with respect to the second surface of first surface, second surface is towards display panel.Drive wire side by side on first surface, and extends along first direction respectively.Sense wire side by side on second surface, and extends along second direction respectively, and first direction and second direction are crossing, and drive wire and sense wire are formed in the sensing array in sensing area.Lead-line configuration, on second surface, and is positioned at outside sensing area, and lead-in wire is electrically connected respectively sense wire, and extends to bonding land.Shielding pattern is disposed on first surface, and shielding pattern can cover lead-in wire in the vertical projection of second surface.
The present invention also proposes a kind of hand-hold electronic device, comprises body and aforementioned touch-control display module.Body has demonstration opening, and described touch-control display module is arranged at demonstration opening.
In one embodiment of this invention, the long axis direction in the first direction vertical engagement district of these drive wires.
In one embodiment of this invention, the surfaceness of sense wire is lower than the surfaceness of drive wire.
In one embodiment of this invention, sense wire forms via lithography technique, and drive wire is formed by typography.
In one embodiment of this invention, the width of each sense wire is less than the width of each drive wire.
In one embodiment of this invention, above-mentioned lead-in wire lays respectively at the relative both sides of sensing array, and shielding pattern comprises the first sub pattern and the second sub pattern, lays respectively at the relative both sides of sensing array, and is positioned at the top of lead-in wire.
In one embodiment of this invention, above-mentioned contact panel also comprises the second base material, be disposed on second surface, and sense wire is between the first base material and the second base material.
In one embodiment of this invention, above-mentioned contact panel also comprises the first connection pad and the second connection pad.The first connection pad is positioned on first surface, and side by side in bonding land, the first connection pad is electrically connected to respectively drive wire.The second connection pad is positioned on the second base material, and side by side in bonding land, the second connection pad is electrically connected to respectively sense wire, and the first base material has an opening, exposes the second connection pad.
In one embodiment of this invention, above-mentioned shielding pattern ground connection.
In one embodiment of this invention, the material of above-mentioned shielding pattern comprises metal.
Based on above-mentioned, touch-control display module of the present invention covers the lead-in wire of below by shielding pattern, to avoid lead-in wire to expose.When user touches touch-control display module, shielding pattern can completely cut off and protect lead-in wire, avoids touching object and produces capacitance coupling effect with lead-in wire, affects the normal operation of hand-hold electronic device.In addition, during shielding pattern ground connection, also can dredge the electrostatic charge of accumulating in making or assembling process, to avoid static discharge (ElectroStatic Discharge, ESD) or electronic installation when running the electromagnetic interference (EMI) (ElectroMagnetic Interference, EMI) that produces destroy sense line.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Figure 1A illustrates a kind of touch-control display module according to one embodiment of the invention.
Schematic diagram when Figure 1B illustrates the touch-control display module of Figure 1A and external conductor contact.
Fig. 2 is the vertical view of the touch-control display module of Figure 1A.
Fig. 3 illustrates the schematic diagram of hand-hold electronic device of the touch-control display module of an application Figure 1A.
[main element symbol description]
10: hand-hold electronic device
10a: top
10b: bottom
50: body
52: show opening
100: touch-control display module
110: display panel
120: contact panel
120a: sensing area
120b: bonding land
121: the first base materials
121a: first surface
121b: second surface
121c: opening
122: drive wire
124: sense wire
126: lead-in wire
128: shielding pattern
128a: the first sub pattern
128b: the second sub pattern
129: the second base materials
130: the first connection pads
132: the second connection pads
134: flexible circuit board
201: external conductor
D1: first direction
D2: second direction
Embodiment
Figure 1A illustrates a kind of touch-control display module according to one embodiment of the invention.In order to clearly demonstrate, Figure 1A has omitted rete or element that part may exist.As shown in Figure 1A, touch-control display module 100 of the present invention comprises display panel 110 and contact panel 120.Contact panel 120 is disposed on display panel 110, and has sensing area 120a and be positioned at the bonding land 120b outside sensing area 120a.Contact panel 120 comprises the first base material 121, many drive wires 122, many sense wires 124, a plurality of leads 126 and shielding patterns 128.The first base material 121 has first surface 121a and with respect to the second surface 121b of first surface 121a, second surface 121b is towards display panel 110.These drive wires 122 are upper in first surface 121a side by side, and along first direction D1, extend respectively.In addition the long axis direction of the first direction D1 vertical engagement district 120b of these drive wires.These sense wires 124 are upper in second surface 121b side by side, and along second direction D2, extend respectively, and first direction D1 and second direction D2 intersect, and these drive wires 122 and these sense wires 124 are formed in the sensing array in sensing area 120a.It is upper that lead-in wire 126 is disposed at second surface 121b, and be positioned at outside sensing area 120a, and these lead-in wires 126 are electrically connected respectively sense wire 124, and extend to bonding land 120b.It is upper that shielding pattern 128 is disposed at first surface 121a, and shielding pattern 128 can cover lead-in wire 126 in the vertical projection of second surface 121b.
Schematic diagram when Figure 1B illustrates the touch-control display module of Figure 1A and external conductor contact.In the present embodiment, many drive wires 122 of touch-control display module 100 and many sense wires 124 at sensing area 120a forming array with detecting 120a position, user's touch-control sensing district and pass on signal.Be configured in the shielding pattern 128 of first surface 121a; vertical projection at second surface 121b can cover lead-in wire 126; for example, when an external conductor 201 contacts the first surface 121a of (being user's finger contact) lead-in wire 126 tops; shielding pattern 128 can be protected the lead-in wire 126 that connects sense wire 124, avoids being triggered producing electric capacity and affecting the performance of touch-control display module 100.
Describe the line configuring relation of the embodiment of Figure 1A in detail, side by side in many drive wires 122 of first direction D1 and side by side many sense wires 124 on second direction D2 be all equally spacedly and arrange, and forming equidistant array to promote the precision of sensing at sensing area 120a, lead-in wire 126 is for being arranged on the relative both sides of sensing array.Specifically, in the present embodiment, drive wire 122 and sense wire 124 intersect (being illustrated as vertical), in order to make the sensing signal that self-powered moving-wire 122 and sense wire 124 send, can from touch-control display module 100, export by an outgoing position of bonding land 120b, sense wire 124 need be by being electrically connected with lead-in wire 126, and the bearing of trend of lead-in wire 126 is for example identical with drive wire 122, make the sensing signal that self-induction survey line 124 sends via lead-in wire 126, be transferred into the outgoing position of bonding land 120b.Lead-in wire 126 is for being arranged on the region beyond sensing area 120a.In addition,, for avoiding increasing the frame size of touch-control display module 100, live width and the spacing of each lead-in wire 126 can be the minimum dimension that technique allows.
In the present embodiment, contact panel 120 also comprises the second base material 129, be disposed at second surface 121b upper, and sense wire 124 is between the first base material 121 and the second base material 129.The first base material 121 and the second base material 129 are for example the transmitting substrates such as glass or polyethylene terephthalate (Polyethylene Terephthalate, PET).And between the first base material 121 and the second base material 129, more can utilize optical cement by the first base material 121 and the second base material 129 combinations, the light-transmission coefficient of optical cement is higher, can avoid the colloid between the first base material 121 and the second base material 129 to exert an influence to demonstration image quality.Yet the present invention is not limited at this.
Fig. 2 is the vertical view of the touch-control display module of Figure 1A.Please refer to Fig. 2, in the present embodiment, contact panel 120 also comprises a plurality of the first connection pads 130 and a plurality of the second connection pad 132.The first connection pad 130 is to be for example positioned on the first base material 121, and side by side in the 120b of bonding land, the first connection pad 130 is electrically connected to respectively drive wire 122.The second connection pad 132 is positioned on the second base material 129, and side by side in the 120b of bonding land, the second connection pad 132 is electrically connected to respectively sense wire 124, and wherein the first base material 121 has an opening 121c (it is two that diagram illustrates), exposes the second connection pad 132.Specifically, sense wire 124 is electrically connected with the second connection pad 132 by lead-in wire 126, and lead-in wire 126 is for being distributed in the both sides of sense wire 124, so the second connection pad 132 is separately positioned on the both sides of the second base material 129.On the first connection pad 130 and the second connection pad 132, more can the sensing signal of self-powered moving-wire 122 and sense wire 124 be exported by a flexible circuit board 134.
Fig. 3 illustrates the schematic diagram of hand-hold electronic device of the touch-control display module of an application Figure 1A.Please refer to Fig. 3, hand-hold electronic device 10 comprises a body 50 and touch-control display module 100.Body 50 has a demonstration opening 52, and touch-control display module 100 is arranged in demonstration opening 52.Hand-hold electronic device 10 is for example smart mobile phone or flat computer.Drive wire 122 can be to adopt typography the metal levels such as silver to be produced on to many circuits of first surface 121a.With regard to current technology, while adopting typography to make circuit, the live width of each drive wire 122, and the spacing minimum value of adjacent drive wire 122 can reach 60 μ m (micrometer).In addition, sense wire 124 and 126, lead-in wire can adopt one to be had on the diaphragm material of metal level, by lithography technique, produces many circuits.With regard to current technology, while adopting lithography technique to make circuit, the live width of each sense wire 124, and the spacing minimum value of adjacent sense wire 124 can be 30 μ m (micrometer).In other words, the width of sense wire 124 is less than the width of drive wire 122.In addition, when drive wire 122 adopts typographies to make, and sense wire 124 is while adopting lithography techniques to make, and the surfaceness of sense wire 124 is lower than the surfaceness of drive wire 122.
In the present embodiment, drive wire 122 is strip shaped electric poles with sense wire 124.Yet drive wire 122 can be also the electrode of diamond shaped or other shapes with sense wire 124.
In other words, when the touch-control display module 100 of application above-described embodiment is during in hand-hold electronic device 10, the first direction D1 that drive wire 122 extends can be from the top 10a of hand-hold electronic device 10 to bottom 10b bearing of trend.The second direction D2 that sense wire 124 extends can be the bearing of trend from the right to the left side of hand-hold electronic device 10.Second direction D2 is defined as from the object of the bearing of trend on the right to the left side of hand-hold electronic device 10 and is, lead-in wire 126 is for being arranged at the both sides of sense wire 124, and the width of lead-in wire 126 will affect in touch-control display module 100, the dual-side width outside sensing area 120a.If lead-in wire 126 can be made with less live width and distance between centers of tracks, can effectively dwindle the dual-side width outside sensing area 120a, be conducive to hand-hold electronic device 10.
In sum, touch-control display module of the present invention, it is configured in the shielding pattern of first surface, in the vertical projection of second surface, can cover lead-in wire.When touching touch-control display module, shielding pattern can completely cut off and protect lead-in wire, avoids touching the running of object and lead-in wire generation capacitive effect hand-hold electronic device.Shielding pattern not only can be protected lead-in wire, more can ground connection avoid electrostatic interference or galvanomagnetic effect.In addition, when applying touch-control display module of the present invention in hand-hold electronic device, there is the second base material of lead-in wire and sense wire, more can utilize the etch process with less live width and spacing, to dwindle the dual-side width outside sensing area, be conducive to the narrow frame design of hand-hold electronic device.
Although the present invention with embodiment openly as above; so it is not in order to limit the present invention; those skilled in the art without departing from the spirit and scope of the present invention, when doing a little change and retouching, are as the criterion depending on the appended claims person of defining therefore protection scope of the present invention is worked as.
Claims (11)
1. a touch-control display module, comprising:
One display panel;
One contact panel, is disposed on this display panel, and has a sensing area and be positioned at the bonding land outside this sensing area, and this contact panel comprises:
One first base material, has a first surface and with respect to a second surface of this first surface, wherein this second surface is towards this display panel;
Many drive wires, side by side on this first surface, and extend along a first direction respectively;
Many sense wires, side by side on this second surface, and extend along a second direction respectively, and this first direction and this second direction are crossing, and these drive wires and these sense wires are formed in the sensing array in this sensing area;
A plurality of leads (routing trace), is disposed on this second surface, and is positioned at outside this sensing area, and these lead-in wires are electrically connected respectively these sense wires, and extend to this bonding land; And
One shielding pattern, be disposed on this first surface, and this shielding pattern can cover these lead-in wires in the vertical projection of this second surface.
2. touch-control display module as claimed in claim 1, the wherein long axis direction of vertical this bonding land of this first direction of these drive wires.
3. touch-control display module as claimed in claim 1, wherein the surfaceness of these sense wires is lower than the surfaceness of these drive wires.
4. touch-control display module as claimed in claim 3, wherein these sense wires form via lithography technique, and these drive wires are formed by typography.
5. touch-control display module as claimed in claim 1, wherein respectively the width of this sense wire is less than the respectively width of this drive wire.
6. touch-control display module as claimed in claim 1, wherein these lead-in wires lay respectively at the relative both sides of this sensing array, and this shielding pattern comprises one first sub pattern and one second sub pattern, lay respectively at the relative both sides of this sensing array, and be positioned at the top of these lead-in wires.
7. touch-control display module as claimed in claim 1, wherein this contact panel also comprises one second base material, be disposed on this second surface, and these sense wires is between this first base material and this second base material.
8. touch-control display module as claimed in claim 7, wherein this contact panel also comprises:
A plurality of the first connection pads, are positioned on this first surface, and side by side in this bonding land, these first connection pads are electrically connected to respectively these drive wires; And
A plurality of the second connection pads, are positioned on this second base material, and side by side in this bonding land, these second connection pads are electrically connected to respectively these sense wires, and wherein this first base material has an opening, exposes these the second connection pads.
9. touch-control display module as claimed in claim 1, wherein this shielding pattern ground connection.
10. touch-control display module as claimed in claim 1, wherein the material of this shielding pattern comprises metal.
11. 1 kinds of hand-hold electronic devices, comprising:
One body, has a demonstration Kai Kou ﹔
Touch-control display module as claimed in claim 1, is arranged at this demonstration opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210366981.2A CN103699250A (en) | 2012-09-28 | 2012-09-28 | Touch control display module and handheld electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210366981.2A CN103699250A (en) | 2012-09-28 | 2012-09-28 | Touch control display module and handheld electronic device |
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| Publication Number | Publication Date |
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| CN103699250A true CN103699250A (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210366981.2A Pending CN103699250A (en) | 2012-09-28 | 2012-09-28 | Touch control display module and handheld electronic device |
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| CN104063109A (en) * | 2014-07-16 | 2014-09-24 | 深圳市中显微电子有限公司 | Antistatic wiring circuit and method of capacitive touch screen |
| CN104777938A (en) * | 2015-04-23 | 2015-07-15 | 业成光电（深圳）有限公司 | Touch device |
| CN107250962A (en) * | 2015-02-27 | 2017-10-13 | 株式会社藤仓 | With wire body, wiring substrate and touch sensor |
| CN110231893A (en) * | 2018-03-05 | 2019-09-13 | 广州视源电子科技股份有限公司 | display method and device |
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