CN102541324A - Layout method for electrodes of touch pad and electrode structure of touch pad - Google Patents
Layout method for electrodes of touch pad and electrode structure of touch pad Download PDFInfo
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- CN102541324A CN102541324A CN2010106022472A CN201010602247A CN102541324A CN 102541324 A CN102541324 A CN 102541324A CN 2010106022472 A CN2010106022472 A CN 2010106022472A CN 201010602247 A CN201010602247 A CN 201010602247A CN 102541324 A CN102541324 A CN 102541324A
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Abstract
The invention discloses a layout method for electrodes of a touch pad and an electrode structure of the touch pad. The layout method includes steps that a substrate is provided; a first conducting layer is formed on one side of the substrate and provided with more than two pattern blocks which are arranged adjacently, and the first conducting layer is transparent; an alignment film layer is formed on one side of the substrate; a second conducting layer is formed on one side of the substrate, and provided with more than two electric leads used for being connected with at least one of the pattern blocks; and a protecting layer is formed on the second conducting layer and used for protecting the second conducting layer. By the aid of the layout method, common process for electrodes can be reduced, particularly, a third conducting layer and another protecting layer do not need to be formed on the other side of the substrate, an electrostatic effect can be effectively prevented, and capacitance and flexibility are improved.
Description
Technical field
The invention relates to a kind of touchpad electrodes distribution method and structure thereof, particularly have the electrode of bridge connected groove, and reach method and structure with identical effect by the process structure of minimum.
Background technology
Known technology is in the technology of contact panel; Be on substrate, form two disalignments to electrode; And form insulation course once more on the axial electrode therein, be electrically connected with thinking that another axial electrode provides through plain conductor set on the said insulation course.Yet traditionally owing to the plain conductor that is arranged on the insulation course maybe be because follow-up technology cause the damage of said plain conductor, making can't conducting, and then causes contact panel to make the decline of yields.
Therefore in some technology, the technology that can relend by the bridge connected groove is arranged at said plain conductor in the said bridge connected groove, can avoid said plain conductor to be damaged.Therefore be necessary to provide a kind of new structure, in order to promote the yields of said contact panel efficiently.
Summary of the invention
In view of this, fundamental purpose of the present invention be to provide a kind of can in order to reach with the easiest technology realize identical effect purpose the touchpad electrodes distribution method and have the electrode of bridge connected groove.
For achieving the above object, the present invention provides a kind of touchpad electrodes distribution method, and its method step comprises: substrate is provided; Side at said substrate forms first conductive layer, and said first conductive layer has the pattern block of setting adjacent one another are more than two, and wherein said first conductive layer is a transparence; Side at said substrate forms the orientation rete; Side at said substrate forms second conductive layer, and said second conductive layer has two above electrical leads, in order to connect one of them pattern block at least; And on said second conductive layer, form protective seam, in order to protect said second conductive layer.
For achieving the above object, the present invention also provides a kind of touchpad electrodes structure, and it comprises: substrate layer, orientation rete, first conductive layer, second conductive layer and protective seam.Wherein, said orientation rete is arranged at a side of said substrate layer; Said first conductive layer is arranged at a side of said orientation rete, and said first conductive layer has the pattern block of setting adjacent one another are more than two; Said second conductive layer is in abutting connection with the opposite side that is arranged at said orientation rete; And said protective seam is arranged on said second conductive layer.
Compare with known technology, touchpad electrodes distribution method of the present invention and said touchpad electrodes structure are only utilized single conductive layer and protective seam and ligand flaggy, another conductive layer and orientation rete.In addition, also can be in the opposite side of said substrate layer, when forming said another conductive layer, form another conductive layer that does not have the pattern block in the lump, form protective seam in order to opposite side at said substrate layer; And, between said substrate and said protective seam, form the housing conductor layer.So the technology of utilizing the present invention to simplify still can have the effect of conventional known Trackpad, remove and can reduce cost of manufacture effectively, also can prevent electrostatic effect effectively and increase its electric capacity and sensitivity.
Description of drawings
Fig. 1 to Fig. 4 is the schematic flow sheet of touchpad electrodes distribution method;
Fig. 5 and Fig. 6 are the vertical cut-away schematic view of touchpad electrodes structure;
Fig. 7 is the vertical view of touchpad electrodes structure.
Description of reference numerals
The PL protective seam
FCL first conductive layer
SCL second conductive layer
TCL the 3rd conductive layer
The SL substrate layer
PIL orientation rete
ML housing conductor layer
Embodiment
For fully understanding the object of the invention, characteristic and effect, existing by following specific embodiment, and cooperate appended accompanying drawing, and the present invention is elaborated, explain as the back:
Referring to figs. 1 to Fig. 4, it is respectively the schematic flow sheet of embodiment of the invention touchpad electrodes distribution method.In Fig. 1, the step of touchpad electrodes structure distribution method originates in step S1, and substrate is provided; Then step S2 forms first conductive layer in a side of said substrate, and said first conductive layer has the pattern block of setting adjacent one another are more than two, and wherein said first conductive layer is a transparence; Follow step S3 again, at the side formation orientation rete of said substrate; Then step S4 again forms second conductive layer in a side of said substrate, and said second conductive layer has two above electrical leads, in order to connect wherein at least one pattern block; And then step S5 forms protective seam, in order to protect said second conductive layer on said second conductive layer.
Wherein, in another embodiment, these electrical leads of said second conductive layer are by optical compensation formula light shield, cooperate overexposure or overdevelop formed.Moreover, in the above-mentioned distribution method, more be included in and form the housing conductor layer between said substrate and the said protective seam; Opposite side at said substrate forms the 3rd conductive layer simultaneously, and wherein said the 3rd conductive layer does not have the pattern block and in order to cover said substrate, wherein said the 3rd conductive layer is a transparence; And, form two above bridge connected grooves at said orientation rete, in order to across between these pattern blocks, and these electrical leads respectively correspondence be arranged on these bridge connected grooves.
Moreover Fig. 2 is the more detailed step of above-mentioned steps S3, and the step that said orientation rete forms further comprises, and originates in step S3-1, on said substrate, applies photoresistance; Then step S3-2 provides the light shield with pattern or has the light shield of shadow tone site (Halftone) pattern, and by said light shield in order to said pattern or said halftone screen dot pattern are exposed on this photoresistance; Follow step S3-3, on said photoresistance, develop said pattern or said halftone screen dot pattern have across the bridge connected groove between these pattern blocks in order to formation; And then step S3-4 toasts said photoresistance.
It should be noted that; Above-mentioned formation step with said light shield of said halftone screen dot pattern comprises: the line footpath in light tight zone on surface that is provided at said light shield is greater than the line footpath of said halftone screen dot pattern or form two above holes (for example these holes can be circle, rectangle or arbitrary shape); And be arranged at the surface of said light shield fifty-fifty; And via when exposure light for interference and diffraction that said halftone screen dot pattern is caused, make photoresistance said bridge connected groove after development of said bridge connected groove be lower than the height of said bridge joint insulation unit.
Fig. 3 is the detailed step of above-mentioned steps S4, and the step that said second conductive layer forms further comprises, and originates in step S4-1, sputter conductive material on said substrate; Then step S4-2 applies photoresistance on said substrate; Then step S4-3 provides optical compensation formula light shield again, and through said optical compensation formula light shield with the electrical lead pattern overexposure of these electrical leads of correspondence on said photoresistance; And then step S4-4, the said electrical lead pattern that develops has pattern block adjacent one another are in order to formation, and said electrical lead pattern is to utilize overexposure and overdevelop and produce.
Fig. 4 is the detailed step of above-mentioned steps S5, and it further comprises: originate in step S5-1, on said substrate, apply photoresistance, sputter photoresistance or sputter organism; Then step S5-2 toasts said photoresistance or said organism, to form hard type protection film.
With reference to figure 5, it is the vertical cut-away schematic view of embodiment of the invention touchpad electrodes structure.In the present embodiment, the touchpad electrodes structure is to be used for Trackpad, and it comprises substrate layer SL, the first conductive layer FCL, orientation rete PIL, the second conductive layer SCL and protective seam PL.Said orientation rete PIL is arranged at the side of said substrate layer SL.The said first conductive layer FCL is arranged at the side of said orientation rete PIL, and the said first conductive layer FCL has two above pattern blocks and setting adjacent one another are, and the wherein said first conductive layer FCL is a transparence.The said second conductive layer SCL is in abutting connection with the opposite side that is arranged at said orientation rete PIL; And said protective seam PL is arranged on the said second conductive layer SCL.
Moreover in the lump with reference to figure 6, the touchpad electrodes structure more is included in the housing conductor layer ML between said substrate layer SL and the said protective seam PL; And, more comprising the 3rd conductive layer TCL, it is arranged at the opposite side of said substrate layer SL simultaneously, and said the 3rd conductive layer TCL do not have the pattern block, and wherein said the 3rd conductive layer TCL is a transparence.Wherein, the structural representation of said substrate layer SL, the first conductive layer FCL, orientation rete PIL, the second conductive layer SCL and the 3rd conductive layer TCL is as shown in Figure 7.
Yet, it should be noted that Fig. 5 and Fig. 6 only are used to illustrate.In other words, if the present invention simplify scope that said structure advocates also comprise can reach with the identical effect of traditional touch-control arrange the embodiment of local each layer again.
Compare with known technology, touchpad electrodes distribution method of the present invention and structure thereof are only utilized single conductive layer and protective seam and ligand flaggy, another conductive layer and orientation rete.In addition, also can when forming said another conductive layer, form another conductive layer that does not have the pattern block in the lump, form protective seam in order to opposite side at said substrate layer in the opposite side of said substrate layer; And, between said substrate layer and said protective seam, form the housing conductor layer.So utilize the technology of simplification of the present invention still can have the effect of conventional known Trackpad, remove and can reduce cost of manufacture effectively, also can prevent electrostatic effect effectively and increase its electric capacity and sensitivity.
The present invention discloses with preferred embodiment hereinbefore, yet the people who is familiar with this technology it should be understood that said embodiment only is used to describe the present invention, and should not be construed as the scope of the present invention that limits.It should be noted that the variation and the displacement of every and said embodiment equivalence all should be made as and be covered by in the category of the present invention.Therefore, protection scope of the present invention is when being as the criterion with the scope that aforementioned claim was defined.
Claims (12)
1. touchpad electrodes distribution method is characterized in that it comprises:
One substrate is provided;
Side at said substrate forms first conductive layer, and said first conductive layer has the pattern block of setting adjacent one another are more than two, and wherein said first conductive layer is a transparence;
Side at said substrate forms an orientation rete;
Side at said substrate forms one second conductive layer, and said second conductive layer has two above electrical leads, in order to connect one of them said pattern block at least; And
On said second conductive layer, form a protective seam, in order to this said second conductive layer of protection.
2. touchpad electrodes distribution method as claimed in claim 1 is characterized in that, said method more is included in and forms a housing conductor layer between said substrate and the said protective seam.
3. touchpad electrodes distribution method as claimed in claim 2; It is characterized in that; The opposite side that said method more is included in said substrate forms one the 3rd conductive layer simultaneously; Wherein said the 3rd conductive layer does not have the pattern block and in order to cover said substrate, wherein said the 3rd conductive layer is a transparence.
4. touchpad electrodes distribution method as claimed in claim 1 is characterized in that, forms two above bridge connected grooves at said orientation rete, in order to across between said pattern block, and said electrical lead respectively correspondence be arranged on the said bridge connected groove.
5. touchpad electrodes distribution method as claimed in claim 1 is characterized in that, the electrical lead of said second conductive layer is by optical compensation formula light shield, cooperates overexposure or overdevelop to form.
6. touchpad electrodes distribution method as claimed in claim 5 is characterized in that, the step that said orientation rete forms further comprises:
On said substrate, apply photoresistance;
Light shield with pattern is provided, and by said light shield in order to said pattern is exposed on the said photoresistance;
Develop said pattern on said photoresistance, have across the bridge connected groove between said pattern block in order to formation; And
Toast said photoresistance.
7. touchpad electrodes distribution method as claimed in claim 6 is characterized in that, said pattern is the pattern with a shadow tone site.
8. touchpad electrodes distribution method as claimed in claim 6 is characterized in that, the step that said second conductive layer forms further comprises:
Sputter conductive material on said substrate;
On said substrate, apply photoresistance;
Optical compensation formula light shield is provided, and through said optical compensation formula light shield with the electrical lead pattern overexposure of the said electrical lead of correspondence on said photoresistance; And
The said electrical lead pattern that develops has said pattern block adjacent one another are in order to formation, and said electrical lead pattern is to utilize overexposure and overdevelop and produce.
9. touchpad electrodes distribution method as claimed in claim 8 is characterized in that, the step that said protective seam forms further comprises:
On said substrate, apply the organic one of which at least of photoresistance, sputter photoresistance or sputter; And
Toast said photoresistance or said organism, to form hard type protection film.
10. touchpad electrodes structure is characterized in that it comprises:
Substrate layer;
The orientation rete, it is arranged at a side of said substrate layer;
First conductive layer, it is arranged at a side of said orientation rete, and said first conductive layer has the pattern block of setting adjacent one another are more than two, and wherein said first conductive layer is a transparence;
Second conductive layer, it is in abutting connection with the opposite side that is arranged at said orientation rete; And
Protective seam, it is arranged on said second conductive layer.
11. touchpad electrodes structure as claimed in claim 10 is characterized in that, said touchpad electrodes structure more comprises the housing conductor layer that is arranged between said substrate layer and the said protective seam.
12. touchpad electrodes structure as claimed in claim 11 is characterized in that, said touchpad electrodes structure more comprises one the 3rd conductive layer, and said the 3rd conductive layer is arranged at the opposite side of said substrate layer simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602247.2A CN102541324B (en) | 2010-12-23 | 2010-12-23 | Layout method for electrodes of touch pad and electrode structure of touch pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602247.2A CN102541324B (en) | 2010-12-23 | 2010-12-23 | Layout method for electrodes of touch pad and electrode structure of touch pad |
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| Publication Number | Publication Date |
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| CN102541324A true CN102541324A (en) | 2012-07-04 |
| CN102541324B CN102541324B (en) | 2014-09-03 |
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| CN201010602247.2A Expired - Fee Related CN102541324B (en) | 2010-12-23 | 2010-12-23 | Layout method for electrodes of touch pad and electrode structure of touch pad |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI467441B (en) * | 2012-12-04 | 2015-01-01 | Au Optronics Corp | Touch panel and touch display panel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751178A (en) * | 2009-12-18 | 2010-06-23 | 深圳莱宝高科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN102169395A (en) * | 2010-02-26 | 2011-08-31 | 范莉立 | Arrangement method and structure of bridge electrode |
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2010
- 2010-12-23 CN CN201010602247.2A patent/CN102541324B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751178A (en) * | 2009-12-18 | 2010-06-23 | 深圳莱宝高科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN102169395A (en) * | 2010-02-26 | 2011-08-31 | 范莉立 | Arrangement method and structure of bridge electrode |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI467441B (en) * | 2012-12-04 | 2015-01-01 | Au Optronics Corp | Touch panel and touch display panel |
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| CN102541324B (en) | 2014-09-03 |
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