CN201622557U - Improved touch control panel - Google Patents

Improved touch control panel Download PDF

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Publication number
CN201622557U
CN201622557U CN2010201715352U CN201020171535U CN201622557U CN 201622557 U CN201622557 U CN 201622557U CN 2010201715352 U CN2010201715352 U CN 2010201715352U CN 201020171535 U CN201020171535 U CN 201020171535U CN 201622557 U CN201622557 U CN 201622557U
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CN
China
Prior art keywords
shielding layer
protective seam
sensing units
control panel
contact panel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010201715352U
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Chinese (zh)
Inventor
张原彰
许俊惠
徐伟智
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NEW APPLIED MATERIALS CO Ltd
eChem Solutions Corp
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NEW APPLIED MATERIALS CO Ltd
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Priority to CN2010201715352U priority Critical patent/CN201622557U/en
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Publication of CN201622557U publication Critical patent/CN201622557U/en
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Abstract

The utility model provides an improved touch control panel, in which a shielding layer and an inductive unit are formed on a substrate. The improved touch control panel comprises a transparent substrate, a plurality of inductive units, a shielding layer and at least one protective layer, the inductive units are formed on the transparent substrate, the shielding layer is formed on the transparent substrate surrounding the inductive unit, and the protective layer covers the inductive units and the shielding layer. The inductive units and the shielding layer are formed on the transparent substrate, therefore a protective eyeglass can be eliminated, so that the manufacture cost and assembly cost of a capacitance type touch control panel can be saved.

Description

The contact panel improvement
Technical field
The utility model is relevant for a kind of contact panel, and particularly is formed at the contact panel improvement of same substrate relevant for a kind of shielding layer and sensing unit.
Background technology
Contact panel (Touch Panel) is configured in display screen the place ahead of electronic products such as running gear, camera, PDA usually and uses, and facility are controlled and the convenience of signal input so that promote; And in various contact panel kind,, therefore be widely used in aspects such as communication product, computer product and consumer electronics product gradually because capacitance type touch-control panel has advantages such as stable performance, long service life.
Person as known, the capacitance sensing structure of known capacitance type touch-control panel, as shown in Figure 1, this capacitance type touch-control panel 1 is provided with a glass substrate 11, these glass substrate 11 lower surfaces are formed with a sensing circuit layer 12, and it is made of transparent conductive film (ITO) 121, insulation course 122 and metal wire 123; Touch the capacitance variations of generation and the coordinate that induced current further calculates its position of touch to detect sensing circuit layer 12 because of human body, other is in sensing circuit layer 12 below and form a protective clear layer 13, uses protection sensing circuit layer 12 and avoids the scratch damage.
And glass substrate 11 upper surfaces are use face, so generally be provided with a protection glass (Cover Lens) 14 more than these glass substrate 11 upper surfaces, utilize the upper surface 141 of protection glass 14 to touch the district as a finger, lower surface 142 peripheries of protection glass 14 are formed with one and cover figure 15, and see through optical cement 16 and attach the glass substrate 11 that will cover figure 15 and capacitance type touch-control panel and closely combine.
Yet, above-mentioned protection glass 14 all uses identical glass material to make with the glass substrate 11 of capacitance type touch-control panel, can repeat to expend more production material during fabrication, and capacitance type touch-control panel and protection glass all are being indivedual earlier formation traditionally, stacked in regular turn again applying is integral, except linkage editor comparatively complicated and the waste man-hour, more can cause the increase of gross thickness, do not meet the frivolous characteristic demand of electronic product now; In addition, because optical cement unit price height, to attach yield low, when optical cement attaches when bad, employed optical cement, capacitance type touch-control panel and protection glass will not have the heavy industry chance and must all scrap, and then cause the waste of material.
The utility model content
The technical matters that the utility model solved is to provide a kind of contact panel, and sensing unit and shielding layer are formed on the transparency carrier, therefore can omit protection glass, to save the manufacturing cost and the assembly cost of capacitance type touch-control panel.
The technical solution of the utility model is: a kind of contact panel improvement comprises: a transparency carrier;
A plurality of sensing units are formed at this transparency carrier; One shielding layer is formed at this transparency carrier around those sensing units; And at least one protective seam, cover those sensing units and this shielding layer.
Wherein, this transparency carrier has a first surface, and those sensing units and this shielding layer are formed at this first surface.
More comprise: one the 3rd protective seam be formed at this first surface, and the side of the 3rd protective seam is connected in the side of this shielding layer; Wherein, this shielding layer is formed on the 3rd protective seam around the 3rd protective seam and those sensing units.
More comprise: a plurality of signal line electrically connect those sensing units accordingly and extend on this shielding layer.
Those signal line and those sensing units are one-body molded.
One upper surface of the 3rd protective seam and the upper surface flush of this shielding layer, and those sensing units are formed on this upper surface of the 3rd protective seam.
The thickness of the 3rd protective seam and the thickness of this shielding layer are identical in fact, and wherein the thickness of the thickness of the 3rd protective seam and this shielding layer is between about 1.5 microns to 2 microns.
The 3rd protective seam protrudes from the upper surface of this shielding layer, and is covered in the upper surface of this shielding layer.
This transparency carrier has a relative first surface and a second surface, and those sensing units are formed at this first surface, and this shielding layer is formed at this second surface, and this at least one protective seam comprises: one first protective seam covers those sensing units; And one second protective seam, cover this shielding layer.
Each sensing unit arranged is in the transparency carrier surface, adjacently in each those sensing unit come by trench isolations between the two.
The beneficial effects of the utility model are: the disclosed contact panel of the utility model the foregoing description, this sensing unit and shielding layer are formed on the transparency carrier, therefore can omit protection glass, to save the manufacturing cost and the assembly cost of capacitance type touch-control panel.In addition, the upper surface of the 3rd protective seam flushes haply with the upper surface of shielding layer, makes the signal line between the side of the side of the 3rd protective seam and shielding layer can not form tangible section difference, avoids the signal line broken string and electrically separates with sensing unit.
Description of drawings
Fig. 1 illustrates the cut-open view that capacitance type touch-control panel is arranged according to habit;
Fig. 2 illustrates the top view according to the capacitance type touch-control panel of the utility model first embodiment;
Fig. 3 illustrates the cut-open view of the direction 3-3 ' of Fig. 2;
Fig. 4 illustrates the cut-open view according to the capacitance type touch-control panel of the utility model second embodiment;
Fig. 5 illustrates the cut-open view according to the capacitance type touch-control panel of the utility model the 3rd embodiment;
Fig. 6 illustrates the structure enlarged drawing according to the utility model the 3rd embodiment;
Fig. 7 illustrates the cut-open view according to the capacitance type touch-control panel of the utility model the 4th embodiment;
Fig. 8 illustrates the cut-open view according to the capacitance type touch-control panel of the utility model the 5th embodiment;
Fig. 9 illustrates the cut-open view according to the capacitance type touch-control panel of the utility model the 6th embodiment.
[figure number explanation]
Capacitance type touch-control panel 1 glass substrate 11
Sensing circuit layer 12 transparent conductive film 121
Insulation course 122 metal wires 123
Protective clear layer 13 protection glass 14
Upper surface 141 lower surfaces 142
Cover figure 15 optical cements 16
Capacitance type touch-control panel 2 transparency carriers 21
First surface 211 second surfaces 212
First sensing unit, 22 first syndetons 221
Second sensing unit, 23 second syndetons 231
Shielding layer 24 side 24a
Upper surface 24b first protective seam 251
Second protective seam 252 the 3rd protective seam 253
Side 253a upper surface 253b
Signal line 26 first insulation courses 271
Second insulation course 272 the 3rd sensing unit 28
Groove 29 thickness t 1, t2
Embodiment
First embodiment
Please refer to Fig. 2 and Fig. 3, Fig. 2 illustrates the top view according to the capacitance type touch-control panel of the utility model first embodiment, Fig. 3 illustrates the cut-open view of the direction 3-3 ' of Fig. 2, and in following examples, will illustrate as case with capacitance type touch-control panel, but the utility model practical range is not limited to use capacitance type touch-control panel, for example uses electric resistance touch-control panel or electromagnetic touch-control panel also applicable.This capacitance type touch-control panel 2 comprises transparency carrier 21, several first, second sensing units 22,23, shielding layer 24, first protective seam 251 (being illustrated in Fig. 3) and several signal line 26.
Those each first sensing units are formed at this substrate along a first direction, each 22 of first sensing unit is provided with first syndeton 221, with electrically connect in those first sensing units 22 adjacent the two, and each second sensing unit 23 is formed at this transparency carrier 21 along a second direction, each 23 of second sensing unit is provided with second syndeton 231, with electrically connect in those second sensing units 23 adjacent the two, and first, second syndeton 221,231 and be provided with first insulation course 271, each is first years old, second sensing unit 22,23 in order to respond to by the touch-control signal of pointing or pointer caused.
This transparency carrier 21 has first surface 211, and those sensing units 22,23 and shielding layer 24 all are formed at first surface 211.One end of every signal line 26 electrically connects corresponding sensing unit 22,23, the other end of every signal line 26 extends on the shielding layer 24 and is electrically connected at an output winding displacement (not illustrating), this output winding displacement is electrically connected at a circuit board (not illustrating), uses the above-mentioned touch-control signal of transmission to this circuit board.
Shielding layer 24 for example is black matrix" (black matrix), and its material can be a printing ink.Shielding layer 24 is in the form of a ring also around those sensing units 22,23 (as shown in Figure 2).That is, shielding layer 24 is formed at the position on every side of the first surface 211 of transparency carrier 21.In addition, but the mode that these shielding layer 24 application examples are coated with (apply) in this way be formed on the first surface 211, and the color of shielding layer 24 is dark-coloured, can avoid in the signal line 26 showing significantly in appearance with the overlapping part of shielding layer 24.
Those signal line 26 are one-body molded with those sensing units 22,23 and this first syndeton 221, that is, those signal line 26 are made with identical material in same processing procedure with those sensing units 22,23.Same processing procedure herein for example is sputter (sputter) processing procedure, identical material herein for example be indium tin oxide (indium tin oxide, ITO).
The material of first protective seam 251 can be transparent photoresist, and it covers those sensing unit 22,23 and shielding layers 24, with protection sensing unit 22,23 and shielding layer 24, avoids sensing unit 22,23 and shielding layer 24 to be subjected to the infringement of atmospheric environment.
Because sensing unit 22,23 and shielding layer 24 all are formed on the same substrate (being transparency carrier 21), thus the transparent cover plate of conventional condenser contact panel can be omitted, to save the manufacturing cost and the assembly cost of capacitance type touch-control panel.
Second embodiment
Please refer to Fig. 4, it illustrates the cut-open view according to the capacitance type touch-control panel of the utility model second embodiment.The different surfaces that several sensing units 22,23 of this capacitance type touch-control panel and shielding layer 24 are formed at the transparency carrier 21 of capacitance type touch-control panel.
Wherein, this capacitance type touch-control panel 2 is provided with transparency carrier 21, several first, second sensing units 22,23, shielding layer 24, first protective seam 251, second protective seam 252 and several signal line 26 equally, and this transparency carrier 21 has opposite first 211 and second surface 212.Those sensing units 22,23 and those signal line 26 all are formed on the first surface 211; this shielding layer 24 is formed on the second surface 212; and this first protective seam 251 covers those sensing units 22,23 and those signal line 26; these second protective seam, 252 overlay masking layers 24; wherein; the material of first protective seam 251 and second protective seam 252 is similar, does not repeat them here.
Because sensing unit 22,23 and shielding layer 24 are formed on the same substrate (being transparency carrier 21), thus the transparent cover plate of conventional condenser contact panel can be omitted, to save the manufacturing cost and the assembly cost of capacitance type touch-control panel 2.
The 3rd embodiment
Please refer to Fig. 5, it illustrates the cut-open view according to the capacitance type touch-control panel of the utility model the 3rd embodiment.This capacitance type touch-control panel 2 comprises transparency carrier 21, shielding layer 24, first protective seam 251, the 3rd protective seam 253, several sensing units 22,23 and several signal line 26.
The 3rd protective seam 253 for example is transparent photoresist (photoresist), and it can see through micro-photographing process (photolithography) and be formed on the first surface 211.Shielding layer 24 is formed on the 3rd protective seam 253 around the 3rd protective seam 253 and those sensing units 22,23.Above-mentioned photoresist can be positive photoresistance or negative photoresistance.
In present embodiment, the side 253a of the 3rd protective seam 253 is connected in the side 24a of shielding layer 24.Preferable but non-exclusively, the thickness t 1 of the 3rd protective seam 253 and the thickness t 2 of shielding layer 24 are identical haply, by this, the upper surface 253b of the 3rd protective seam 253 is flushed haply with the upper surface 24b of shielding layer 24.Thickness t 1 herein and t2 are between about 1.5 microns (μ m) to 2 microns (μ m), and this signal line 26 electrically connects those sensing units 22,23 accordingly and extends on the shielding layer 24.Therefore, the some of signal line 26 of junction that is positioned at the side 24a of the side 253a of the 3rd protective seam 253 and shielding layer 24 can not form tangible section difference, and as shown in Figure 6, this that can be avoided signal line 26 partly forms the breakpoint of signal line 26.
In detail; if the thickness of the design of no third protective seam 253 and sensing unit 22,23 very is thinner than the thickness (for example the thickness of shielding layer 24 is greater than about 10 times of the thickness of sensing unit 22,23) of shielding layer 24, then sensing unit 22,23 and difference in height between the shielding layer 24 may cause signal line 26 to break with the junction of shielding layer 24 and cause signal line 24 electrically to separate with sensing unit 22,23 at sensing unit 22,23.Review present embodiment,, avoid the problem of above-mentioned broken string owing to the design of the 3rd protective seam 253.
Though the upper surface 253b of the 3rd protective seam 253 flushes haply with the upper surface 24b of shielding layer 24; so this is non-in order to the restriction present embodiment; implement in the aspect in other; as long as can avoid signal line 26 to break in the junction of sensing unit 22,23 and shielding layer 24, can be between the upper surface 253b of the 3rd protective seam 253 and the upper surface 24b of shielding layer 24 at a distance of a suitable distance.For instance, the 3rd protective seam 253 can protrude in the upper surface 24b of shielding layer 24, and as shown in Figure 7, the 3rd protective seam 253 can be covered in the upper surface 24b of this shielding layer 24.Perhaps, shielding layer 24 can protrude in the upper surface 253b of the 3rd protective seam 253.
Because sensing unit 22,23 and shielding layer 24 all are formed on the same substrate (being transparency carrier 21), thus the transparent cover plate of conventional condenser contact panel can be omitted, to save the manufacturing cost and the assembly cost of capacitance type touch-control panel.
Moreover, in the various embodiments described above, this first sensing unit 22, first syndeton 221 and shielding layer 24 are made into integration, as shown in Figure 8, and 26 of this shielding layer 24 and each signal line further are provided with second insulation course 272, so first sensing unit 22, first syndeton 221 and the identical metal of shielding layer 24 materials, thus can in processing procedure, finish, with cost and the time of saving one processing procedure.
In addition, the transparency carrier 21 of this contact panel is provided with the 3rd sensing unit 28 that complex matrix is arranged, as shown in Figure 9, adjacently in each those the 3rd sensing unit 28 keep apart by groove 29 between the two, each the 3rd sensing unit 28 is in order to respond to by the touch-control signal of pointing or pointer caused, and an end of every signal line 26 electrically connects the 3rd corresponding sensing unit 28, the other end of every signal line 26 extends on the shielding layer 24 and is electrically connected at an output winding displacement (not illustrating), this output winding displacement is electrically connected at a circuit board (not illustrating), uses the above-mentioned touch-control signal of transmission to this circuit board.
The disclosed contact panel of the utility model the foregoing description, this sensing unit and shielding layer are formed on the transparency carrier, therefore can omit protection glass, to save the manufacturing cost and the assembly cost of capacitance type touch-control panel.In addition, the upper surface of the 3rd protective seam flushes haply with the upper surface of shielding layer, makes the signal line between the side of the side of the 3rd protective seam and shielding layer can not form tangible section difference, avoids the signal line broken string and electrically separates with sensing unit.

Claims (10)

1. a contact panel improvement is characterized in that, comprising:
One transparency carrier;
A plurality of sensing units are formed at this transparency carrier;
One shielding layer is formed at this transparency carrier around those sensing units; And
At least one protective seam covers those sensing units and this shielding layer.
2. contact panel improvement as claimed in claim 1 is characterized in that this transparency carrier has a first surface, and those sensing units and this shielding layer are formed at this first surface.
3. contact panel improvement as claimed in claim 2 is characterized in that, more comprises:
One the 3rd protective seam is formed at this first surface, and the side of the 3rd protective seam is connected in the side of this shielding layer;
Wherein, this shielding layer is formed on the 3rd protective seam around the 3rd protective seam and those sensing units.
4. as claim 2 or 3 described contact panel improvement, it is characterized in that, more comprise:
A plurality of signal line electrically connect those sensing units accordingly and extend on this shielding layer.
5. contact panel improvement as claimed in claim 4 is characterized in that those signal line and those sensing units are one-body molded.
6. contact panel improvement as claimed in claim 3 is characterized in that, a upper surface of the 3rd protective seam and the upper surface flush of this shielding layer, and those sensing units are formed on this upper surface of the 3rd protective seam.
7. contact panel improvement as claimed in claim 3 is characterized in that the thickness of the 3rd protective seam and the thickness of this shielding layer are identical in fact, and wherein the thickness of the thickness of the 3rd protective seam and this shielding layer is between about 1.5 microns to 2 microns.
8. contact panel improvement as claimed in claim 3 is characterized in that the 3rd protective seam protrudes from the upper surface of this shielding layer, and is covered in the upper surface of this shielding layer.
9. contact panel improvement as claimed in claim 1; it is characterized in that this transparency carrier has a relative first surface and a second surface, those sensing units are formed at this first surface; this shielding layer is formed at this second surface, and this at least one protective seam comprises:
One first protective seam covers those sensing units; And
One second protective seam covers this shielding layer.
10. contact panel as claimed in claim 1 improvement is characterized in that, each sensing unit arranged is in the transparency carrier surface, adjacently in each those sensing unit is come by trench isolations between the two.
CN2010201715352U 2010-04-23 2010-04-23 Improved touch control panel Expired - Fee Related CN201622557U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102662549A (en) * 2012-04-13 2012-09-12 广东欧珀移动通信有限公司 Coverplate glass and transfer print technology on surface of coverplate glass
CN102681174A (en) * 2011-03-08 2012-09-19 瀚宇彩晶股份有限公司 Display device and method for producing parallax barrier touch panel
CN102681709A (en) * 2011-03-17 2012-09-19 宸鸿光电科技股份有限公司 Touch control display equipment and manufacturing method thereof
CN103336595A (en) * 2013-05-27 2013-10-02 深圳市易玻光电配件有限公司 Touch panel applying soft glass
CN103376927A (en) * 2012-04-17 2013-10-30 宸鸿科技(厦门)有限公司 Touch panel and production method
CN103425358A (en) * 2012-05-17 2013-12-04 上海鼎讯电子有限公司 Capacitive touch screen based standardized application structure
CN103576324A (en) * 2012-08-10 2014-02-12 联胜(中国)科技有限公司 Touch control stereo display device
WO2014059824A1 (en) * 2012-10-15 2014-04-24 宸鸿科技(厦门)有限公司 Touch panel and manufacturing method thereof
CN104461106A (en) * 2013-09-12 2015-03-25 胜华科技股份有限公司 Touch panel and manufacturing method thereof
TWI486860B (en) * 2013-03-18 2015-06-01 Chih Chung Lin Touch panel
US9633801B2 (en) 2012-08-21 2017-04-25 Tpk Touch Solutions (Xiamen) Inc. Touch device and fabrication method thereof
US9977544B2 (en) 2012-03-01 2018-05-22 Tpk Touch Solutions (Xiamen) Inc. Touch device and method for fabricating thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102681174A (en) * 2011-03-08 2012-09-19 瀚宇彩晶股份有限公司 Display device and method for producing parallax barrier touch panel
CN102681709B (en) * 2011-03-17 2016-01-27 宸鸿光电科技股份有限公司 Touch control display device and manufacture method thereof
CN102681709A (en) * 2011-03-17 2012-09-19 宸鸿光电科技股份有限公司 Touch control display equipment and manufacturing method thereof
US9977544B2 (en) 2012-03-01 2018-05-22 Tpk Touch Solutions (Xiamen) Inc. Touch device and method for fabricating thereof
CN102662549A (en) * 2012-04-13 2012-09-12 广东欧珀移动通信有限公司 Coverplate glass and transfer print technology on surface of coverplate glass
CN103376927A (en) * 2012-04-17 2013-10-30 宸鸿科技(厦门)有限公司 Touch panel and production method
CN103425358A (en) * 2012-05-17 2013-12-04 上海鼎讯电子有限公司 Capacitive touch screen based standardized application structure
CN103576324A (en) * 2012-08-10 2014-02-12 联胜(中国)科技有限公司 Touch control stereo display device
US9633801B2 (en) 2012-08-21 2017-04-25 Tpk Touch Solutions (Xiamen) Inc. Touch device and fabrication method thereof
WO2014059824A1 (en) * 2012-10-15 2014-04-24 宸鸿科技(厦门)有限公司 Touch panel and manufacturing method thereof
TWI486860B (en) * 2013-03-18 2015-06-01 Chih Chung Lin Touch panel
CN103336595A (en) * 2013-05-27 2013-10-02 深圳市易玻光电配件有限公司 Touch panel applying soft glass
CN104461106A (en) * 2013-09-12 2015-03-25 胜华科技股份有限公司 Touch panel and manufacturing method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101103

Termination date: 20170423

CF01 Termination of patent right due to non-payment of annual fee