CN204576472U - The mask device of capacitive touch screen and the described capacitive touch screen of making - Google Patents
The mask device of capacitive touch screen and the described capacitive touch screen of making Download PDFInfo
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- CN204576472U CN204576472U CN201520063898.7U CN201520063898U CN204576472U CN 204576472 U CN204576472 U CN 204576472U CN 201520063898 U CN201520063898 U CN 201520063898U CN 204576472 U CN204576472 U CN 204576472U
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Abstract
The utility model is applicable to technical field of touch control, provide a kind of capacitive touch screen, it at least comprises a first substrate, touch control electrode layer and decorative layer, first substrate at least has first surface, first surface comprises first area and second area, second area is positioned at least side of first area, decorative layer is formed at second area, touch control electrode layer is formed at the first surface at place, first area and extends on the decorative layer of second area, touch control electrode layer comprises multiple touch pattern, between adjacent two touch pattern being positioned at first area, there is the first gap, between adjacent two touch pattern being positioned at second area, there is the second gap, the width in the second gap is greater than the width in the first gap.The utility model makes the width in the second gap be greater than the width in the first gap, can eliminate the impact that decorative layer brings, and ensures that the touch-control sensitivity of zones of different is consistent; And widen the second gap, be also convenient to the debugging of etch rate, be beneficial to processing.
Description
Technical field
The utility model belongs to technical field of touch control, particularly the mask device of a kind of capacitive touch screen and the described capacitive touch screen of making.
Background technology
Capacitive touch screen is at least containing a substrate, substrate is provided with touch control electrode, this touch control electrode generally includes induction electrode (TX) and detecting electrode (RX), as a kind of common electrode structure, induction electrode and detecting electrode can be arranged at same aspect, and according to the crisscross setting of form of rows of electrodes and electrodes series, between adjacent induction electrode and touch control electrode, form electric capacity.In order to meet the touch-control performance requirement of touch-control product edge, electrode pattern region is needed to extend out to ink (BM) region by visual (VA) district, due to adding of dielectric material BM, all can have an impact to the character such as impedance and electric capacity of capacitor, cause the different in kind in BM district and VA district, and then cause the inconsistent of touch-control sensitivity.Further, due to adding of BM, the electrode pattern processing in BM district and VA district is also inconsistent, and such as etch rate is different, in the more bad control of etch rate etc. of BM region electrode.
Utility model content
The purpose of this utility model is to provide a kind of capacitive touch screen, is intended to eliminate ink to the impact of touch control electrode character, ensures that ink area is consistent with the touch controllable function of non-oil ink-covered area, and is beneficial to processing.
The utility model realizes like this, a kind of capacitive touch screen, it is characterized in that, it at least comprises a first substrate, touch control electrode layer and decorative layer, described first substrate at least has a first surface, described first surface comprises a first area and second area, described second area is positioned at least side of described first area, described decorative layer is formed at described second area, described touch control electrode layer is formed on the first surface at place, described first area, and on the decorative layer extending to described second area, described touch control electrode layer comprises multiple touch pattern, between adjacent two touch pattern of described first area, there is the first gap, between adjacent two touch pattern of described second area, there is the second gap, the width in described second gap is greater than the width in described first gap.
As optimal technical scheme of the present utility model:
Described touch pattern comprises many first electrode tandems and many second electrode tandems, described first electrode tandem and described second electrode tandem cross arrangement, described first electrode tandem comprises the connecting band that multiple first electrode unit is connected with by the first electrode unit described in adjacent two, described second electrode tandem comprises multiple second electrode unit and is connected with by adjacent second electrode unit and strides across the connecting bridge of described connecting band, described first gap is formed between adjacent described first electrode unit in position and the second electrode unit in described first area, described second gap is formed between adjacent described first electrode unit in position and the second electrode unit at described second area.
Many described first electrode tandem equidistantly arranges along a first direction, many described second electrode tandem equidistantly arranges along a second direction, described first direction is perpendicular to described second direction, and the length being positioned at the connecting bridge of described second area is greater than the length of the connecting bridge being positioned at described first area.
The width being positioned at the connecting bridge of described second area is greater than the width of the connecting bridge being positioned at described first area.
Be positioned at length and width that the length of the described connecting band of described second area and width are greater than the connecting band being positioned at described first area.
The width in described second gap is more than 2 times of the width in the first gap.
The width in described second gap is 100 μm, and the width in described first gap is 30 μm.
Described second area is adjacent and around described first area, and described decorative layer adjoins and around the first surface at place, described first area.
Described decorative layer is the ink layer of black, white or other colors.
Another object of the present utility model is to carry a kind of mask device, described mask device is for making capacitive touch screen, it at least comprises a second substrate and a light shield layer, described second substrate at least has a first surface, described first surface at least comprises one the 3rd region and the 4th region, described 4th region is at least positioned at least side in described 3rd region, described light shield layer is positioned on the first surface at described 3rd place, region, and extend on described 4th region, described light shield layer comprises multiple light-shielding pattern, between adjacent two light-shielding patterns in described 3rd region, there is third space, between adjacent two light-shielding patterns on described 4th region, there is the 4th gap, the width in described 4th gap is greater than the width of described third space.
The structure of the utility model to touch control electrode is improved, make first area (as viewing area) and second area (decorative layer region, as inked areas) touch pattern between gap different, the width in the second gap of second area is greater than the width in the first gap of first area, this improves tool and has the following advantages: on the one hand, due to adding of decorative layer, make second area different with the capacitance characteristic of first area, generally electric capacity can be increased, increase the width in the second gap, electric capacity can be reduced, and then eliminate the impact that brings of decorative layer to a certain extent, and then ensure that the touch-control sensitivity of zones of different is consistent, on the other hand, due to the existence of decorative layer, make first area different with the electrode etch speed of second area, the etch rate of second area more slowly and more difficult control, is widened the second gap, is also convenient to the debugging of etch rate, is beneficial to processing.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the capacitive touch screen that the utility model embodiment provides;
Fig. 2 is the planar structure schematic diagram of the capacitive touch screen that the utility model embodiment provides;
Fig. 3 is the enlarged drawing of a-quadrant in Fig. 2;
Fig. 4 is the planar structure schematic diagram of the mask device that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with specific embodiment, specific implementation of the present utility model is described in detail: please refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of capacitive touch screen, it at least comprises a first substrate 01, touch control electrode layer 02 and decorative layer 03, this first substrate 01 at least has a first surface, this first surface comprises a first area 011 and second area 012, second area 012 is positioned at least side of first area 011, specifically can be positioned at the side of first area 011, relative both sides or around first area 011, decorative layer 03 is formed at second area 012, can to adjoin and around the first surface at place, first area 011.This first area 011 corresponds to visible area usually, and second area 012 corresponds to non-visible area, and this non-visible area is provided with decorative layer 03, and this decorative layer 03 can adopt nontransparent material such as black, white or colored ink to make.Touch control electrode layer 02 is formed on the first surface at place, first area 011, and on the decorative layer 03 extending to second area 012, touch control electrode layer 02 comprises multiple touch pattern, between adjacent two touch pattern of first area 011, there is the first gap 04, between adjacent two touch pattern of second area 012, have the second gap 05, the width in this second gap 05 is greater than the width in the first gap 04.
In the utility model embodiment, touch pattern can comprise many first electrode tandems and many second electrode tandems, first electrode tandem and the second electrode tandem cross arrangement in length and breadth, first electrode tandem comprises the connecting band 022 that multiple first electrode unit 021 is connected with by adjacent two first electrode units 021, connecting band 022 can be one-body molded with the first electrode unit 021, second electrode tandem is become multiple independently the second electrode unit 023 by the first electrode array column split, stride across connecting band 022 by connecting bridge 024 between the second adjacent electrode unit 023 to connect, adopt collets isolated between connecting band 022 and connecting bridge 024.Constitute the first above-mentioned gap 04 in first area 011 between adjacent the first electrode unit 021 in position and the second electrode unit 023, constitute the second above-mentioned gap 05 at second area 012 between adjacent the first electrode unit 021 in position and the second electrode unit 023.
As Fig. 3, for the electrode unit of rectangle (being certainly not limited to rectangle), the second gap 05 is had between first electrode unit 021 of second area 012 and the second electrode unit 023, width is a, in first area 011, have the first gap 04 between first electrode unit 021 and the second electrode unit 023, width is b, and the width a in this second gap 05 is greater than the width b in the first gap 04.Preferably, a >=2b.In the present embodiment, a=100 μm, b=30 μm.
The structure of the utility model to touch control electrode is improved, make the gap between the touch pattern of first area 011 and second area 012 different, the width in the second gap 05 of second area 012 is greater than the width in the first gap 04 of first area 011, this improves tool and has the following advantages: on the one hand, due to adding of decorative layer 03, make second area 012 different with the capacitance characteristic of first area 011, generally electric capacity can be increased, increase the width in the second gap 05, electric capacity can be reduced, and then eliminate the impact that brings of decorative layer 03 to a certain extent, and then ensure that the touch-control sensitivity of zones of different is consistent, on the other hand, due to the existence of decorative layer 03, make first area 011 different with the electrode etch speed of second area 012, the etch rate of second area 012 more slowly and more difficult control, is widened the second gap 05, is also convenient to the debugging of etch rate, is beneficial to processing.
In the utility model embodiment, because the gap between the first electrode unit 021 of second area 012 and the second electrode unit 023 is wider, gap between the first adjacent electrode unit 021 and the gap between the second adjacent electrode unit 023 also can be increased, like this, the length connecting the connecting bridge 024 of adjacent second electrode unit 023 is longer compared with the length of the connecting bridge 024 of first area.
Further, connecting bridge 024 can also be widened, bridge point be connected more reliable.And widen the impedance that connecting bridge 024 can reduce the second electrode tandem, improve touch-control performance.
Same, along with the increase of the first electrode unit 021 spacing, the connecting band 022 connecting the first adjacent electrode unit 021 is also lengthened, and can widen further, and then reduces the impedance of the first electrode tandem, improves touch-control performance.
In the utility model embodiment, first substrate 01 can be the substrate being exclusively used in carrying touch control electrode layer 02, is provided with the surface coverage cover plate of touch control electrode layer 02 and decorative layer 03 at this first substrate 01.In other embodiments, using cover plate as substrate, decorative layer 03 and touch control electrode layer 02 can be arranged at the inside surface of cover plate.As another embodiment, decorative layer 03 and touch control electrode layer 02 can also be arranged at the surface of CF substrate, then on CF substrate, cover cover plate.
The capacitive touch screen of the utility model embodiment can also comprise display module, its at least comprise two pieces of substrates and between layer of liquid crystal molecule, the surface of a substrate is provided with tft array wherein.The substrate being positioned at light emission side can arrange public electrode, can also carry colored filter membrane simultaneously.Or can arrange CF substrate in addition, one surface is provided with colored filter membrane, another surface can arrange above-mentioned decorative layer and and touch control electrode layer.
Gap between the touch pattern of second area is widened by the utility model, and then eliminate the inconsistent of the first area that causes due to decorative layer and second area capacitance characteristic, ensure that touch-control sensitivity is consistent, and the debugging of etch rate is convenient in the gap widened between touch pattern, be beneficial to raising product yield.Meanwhile, the impedance of touch control electrode can also be reduced by widening connecting bridge and connecting band, promoting touch experience, this touch electrode structure is suitable for the various touch-screen needing to strengthen edge touch-control sensitivity, such as OGS touch screen etc., its structure is simple, and is easy to realize in technique.
The utility model provides a kind of mask device further, as the auxiliary fixture making capacitance touch screen, its structure is corresponding with the structure of above-mentioned capacitance touch screen, as Fig. 4, it at least comprises second substrate 06 and a light shield layer 07, second substrate 06 at least has a first surface, first surface at least comprises one the 3rd area 0 61 and the 4th area 0 62, 4th area 0 62 is at least positioned at least side of the 3rd area 0 61, light shield layer 07 is positioned on the first surface at the 3rd area 0 61 place, and extend on the 4th area 0 62, light shield layer 07 comprises multiple light-shielding pattern (not shown), between adjacent two light-shielding patterns of the 3rd area 0 61, there is third space (not shown), between adjacent two light-shielding patterns on the 4th area 0 62, there is the 4th gap (not shown), the width in the 4th gap is greater than the width of third space.When making capacitive touch screen, the region that the 3rd area 0 61 and the 4th area 0 62 surround corresponds to capacitive touch screen.Wherein, 3rd area 0 61 is corresponding with the first area 011 of capacitance touch screen, 4th area 0 62 is corresponding with the second area 012 of capacitance touch screen, light shield layer 03 making for touch control electrode layer 02, its light-shielding pattern is corresponding with above-mentioned touch pattern, and the first above-mentioned gap and the second gap are then controlled based on this third space and the 4th gap.
The mask device that the utility model provides is for making above-mentioned capacitance touch screen, make the second area of this capacitance touch screen different with the touch pattern gap of first area, and then eliminate the problems such as the touch-control sensitivity brought due to decorative layer is inconsistent, facilitate the etching of electrode simultaneously, and more operation and cost can not be increased, be suitable for the making of capacitance touch screen.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a capacitive touch screen, it is characterized in that, it at least comprises a first substrate, touch control electrode layer and decorative layer, described first substrate at least has a first surface, described first surface comprises a first area and second area, described second area is positioned at least side of described first area, described decorative layer is formed at described second area, described touch control electrode layer is formed on the first surface at place, described first area, and on the decorative layer extending to described second area, described touch control electrode layer comprises multiple touch pattern, between adjacent two touch pattern of described first area, there is the first gap, between adjacent two touch pattern of described second area, there is the second gap, the width in described second gap is greater than the width in described first gap.
2. capacitive touch screen as claimed in claim 1, it is characterized in that, described touch pattern comprises many first electrode tandems and many second electrode tandems, described first electrode tandem and described second electrode tandem cross arrangement, described first electrode tandem comprises the connecting band that multiple first electrode unit is connected with by the first electrode unit described in adjacent two, described second electrode tandem comprises multiple second electrode unit and is connected with by adjacent second electrode unit and strides across the connecting bridge of described connecting band, described first gap is formed between adjacent described first electrode unit in position and the second electrode unit in described first area, described second gap is formed between adjacent described first electrode unit in position and the second electrode unit at described second area.
3. capacitive touch screen as claimed in claim 2, it is characterized in that, many described first electrode tandem equidistantly arranges along a first direction, many described second electrode tandem equidistantly arranges along a second direction, described first direction is perpendicular to described second direction, and the length being positioned at the connecting bridge of described second area is greater than the length of the connecting bridge being positioned at described first area.
4. capacitive touch screen as claimed in claim 3, it is characterized in that, the width being positioned at the connecting bridge of described second area is greater than the width of the connecting bridge being positioned at described first area.
5. the capacitive touch screen as described in any one of Claims 1-4, is characterized in that, is positioned at length and width that the length of the connecting band of described second area and width are greater than the connecting band being positioned at described first area.
6. capacitive touch screen as claimed in claim 1, it is characterized in that, the width in described second gap is more than 2 times of the width in the first gap.
7. the capacitive touch screen as described in claim 1 or 6, is characterized in that, the width in described second gap is 100 μm, and the width in described first gap is 30 μm.
8. capacitive touch screen as claimed in claim 1, is characterized in that, described second area is adjacent and around described first area, and described decorative layer adjoins and around the first surface at place, described first area.
9. capacitive touch screen as claimed in claim 1, it is characterized in that, described decorative layer is the ink layer of black, white or other colors.
10. a mask device, it is characterized in that, described mask device is for making capacitive touch screen, it at least comprises a second substrate and a light shield layer, described second substrate at least has a first surface, described first surface at least comprises one the 3rd region and the 4th region, described 4th region is at least positioned at least side in described 3rd region, described light shield layer is positioned on the first surface at described 3rd place, region, and extend on described 4th region, described light shield layer comprises multiple light-shielding pattern, between adjacent two light-shielding patterns in described 3rd region, there is third space, between adjacent two light-shielding patterns on described 4th region, there is the 4th gap, the width in described 4th gap is greater than the width of described third space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063898.7U CN204576472U (en) | 2015-01-29 | 2015-01-29 | The mask device of capacitive touch screen and the described capacitive touch screen of making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063898.7U CN204576472U (en) | 2015-01-29 | 2015-01-29 | The mask device of capacitive touch screen and the described capacitive touch screen of making |
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| Publication Number | Publication Date |
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| CN204576472U true CN204576472U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520063898.7U Withdrawn - After Issue CN204576472U (en) | 2015-01-29 | 2015-01-29 | The mask device of capacitive touch screen and the described capacitive touch screen of making |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598088A (en) * | 2015-01-29 | 2015-05-06 | 深圳莱宝高科技股份有限公司 | Capacitive touch screen and mask device for making capacitive touch screen |
-
2015
- 2015-01-29 CN CN201520063898.7U patent/CN204576472U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598088A (en) * | 2015-01-29 | 2015-05-06 | 深圳莱宝高科技股份有限公司 | Capacitive touch screen and mask device for making capacitive touch screen |
| CN104598088B (en) * | 2015-01-29 | 2018-11-13 | 深圳莱宝高科技股份有限公司 | Capacitive touch screen and the mask device for making the capacitive touch screen |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150819 Effective date of abandoning: 20181113 |