CN101329609B - Touch control panel with touch control press key - Google Patents

Touch control panel with touch control press key Download PDF

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Publication number
CN101329609B
CN101329609B CN2008100231424A CN200810023142A CN101329609B CN 101329609 B CN101329609 B CN 101329609B CN 2008100231424 A CN2008100231424 A CN 2008100231424A CN 200810023142 A CN200810023142 A CN 200810023142A CN 101329609 B CN101329609 B CN 101329609B
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CN
China
Prior art keywords
touch
control block
viewing area
block
edge
Prior art date
Application number
CN2008100231424A
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Chinese (zh)
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CN101329609A (en
Inventor
曾成得
李昌鸿
郑杰元
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苏州佳世达光电有限公司
佳世达科技股份有限公司
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Priority to CN2008100231424A priority Critical patent/CN101329609B/en
Publication of CN101329609A publication Critical patent/CN101329609A/en
Application granted granted Critical
Publication of CN101329609B publication Critical patent/CN101329609B/en

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Abstract

The invention relates to a touch panel provided with a touch button, which comprises a transparent carrier provided with a display area, a plurality of first transparent electrode touch blocks and a second transparent electrode touch block which are arranged on the transparent carrier, a plurality of first conducting wires which are positioned outside the display area and a second conducting wire arranged outside the display area, wherein, the first transparent electrode touch blocks are configured along at least one edge of the display area, the second transparent electrode touch block comprises a main touch block and a first extension block, the main touch block is positioned in the display area and far away from the edge of the display area, and the first extension area is connected with the main touch block and extends to the edge of the display area. Ends of the first conducting wires is connected with one side of the first transparent electrode touch blocks and the side is adjacent to the edge of the display area; the second conducting wire is connected with the edge of the first extension area adjacent to the display area. The invention only arranges the monolayer transparent electrode touch panel provided with the touch button on the baseplate, thus resulting in simple structure and low production cost.

Description

The contact panel of tool touch controlled key

Technical field

The invention belongs to the contact panel technical field of electronic installation, particularly about a kind of contact panel of tool touch controlled key.

Background technology

The contact panel that most of electronic installation adopted on the market at present has two kinds, and wherein a kind of is electric resistance touch-control panel, and another kind then is a capacitance type touch-control panel.Resistance-type or capacitance type touch-control panel are made of the substrate of two-layer tool conduction property up and down, and wherein upper and lower laminar substrate can be the ITO PET film/ito glass or the combination of ito glass/ito glass.

Electric resistance touch-control panel is that the characteristic with coordinate XY is built on the electrically-conductive backing plate of lower floor, when panel senses the shake-up effect and after producing the modeled pressure drop signal, driving circuit converts signal to the digital signal of X, Y again to obtain correct shake-up position.Capacitance type touch-control panel is to form uniform electric field at panel surface, can make electric field cause electric current when finger touches panel, changes this strength of current via driving circuit, and compares with the intensity in four corners of panel induction zone, to calculate the position of shake-up.

Though all can sensing exactly, above-mentioned two kinds of contact panels touch the position, yet the two is after obtaining the signal of induction, and the complicated driving circuit of still must arranging in pairs or groups goes to calculate, just can obtain the needed coordinate position of software operation, and finish the operation of user's interface.In addition, the structure of above-mentioned two kinds of contact panels is also very fine, makes processing procedure comparatively complicated.

Summary of the invention

The invention provides a kind of contact panel that the tool touch controlled key of single layered transparent electrode only is set on substrate, it is not only simple in structure, and low cost of manufacture.

The technical solution used in the present invention is as follows:

A kind of contact panel with touch controlled key comprises:

One transparency carrier has a viewing area;

A plurality of first transparency electrode touch-control blocks and one second transparency electrode touch-control block are arranged on the transparency carrier, wherein, the described first transparency electrode touch-control block is along at least one edge configuration of viewing area, the second transparency electrode touch-control block comprises a main touch-control block and one first and extends block, this main touch-control block is arranged in this viewing area and away from the edge of viewing area, and first extends the edge that block and main touch-control block are connected and extend to this viewing area;

A plurality of first leads are arranged at outside the viewing area, and an end of described first lead is connected in the described first transparency electrode touch-control block, one side, and this side is adjacent to the edge of this viewing area; And

One second lead is arranged at outside this viewing area, and this second lead connects the edge of this contiguous viewing area of first extension block.

The described first touch-control block is along all edges configuration of this viewing area, the second touch-control block be arranged in described first touch-control block institute around the zone, and have one first extension block and pass the gap of the described first touch-control block to extend to the edge of this viewing area.

Described first extends the gap location that block is disposed at the two contiguous described first transparency electrode touch-control blocks, and extends to the edge of this viewing area.

The described second transparency electrode touch-control block has more one second and extends block, and described second extends block and the described first extension block passes the edge that extends to this viewing area behind two gaps of the described first transparency electrode touch-control block respectively.

Described control panel more comprises a privates, and privates connects the edge of the contiguous viewing area of the second extension block, and wherein the width of the privates and second lead is less than the width of described first lead.

The width of the described privates and second lead is less than 1/3rd of described first conductor width.

The described first transparency electrode touch-control block and the second transparency electrode touch-control block partly are filled on this viewing area.

The gap of the described first transparency electrode touch-control block is less than 1/2nd of this transparency carrier thickness.

The gap of the wherein said first transparency electrode touch-control block is less than 30 μ m.

Described contact panel more comprises a transmission interface, and transmission interface connects described first lead and second lead.

This has the contact panel of touch controlled key, can adopt directly that part or integral body are provided with transparent single-layer electrodes material preparation on single substrate.And can in transparency electrode, produce independently touch-control block according to predetermined key position, to use as touch controlled key.By directly defining a plurality of different key positions in the single layered transparent electrode on transparency carrier, make contact panel local or form the induction region of button comprehensively.Touch controlled key can be positioned at the edge or the inside of viewing area, arranges in pairs or groups the shown pattern of display screen again and is formed complete product operation interface.Compared to must using two layers of electrically-conductive backing plate to make contact panels traditionally, more simple, processing procedure is easy, and can save more manufacturing cost.

Description of drawings

Figure 1A is the synoptic diagram according to a kind of contact panel of a preferred embodiment of the present invention.

Figure 1B is the partial schematic diagram of contact panel among Figure 1A.

The synoptic diagram that Fig. 2 is separated by and is come with big distance for the first touch-control block of part.

Fig. 3 is that the first touch-control block is only along the synoptic diagram of the part edge of viewing area configuration.

Fig. 4 is the synoptic diagram of the circular touch controlled key of contact panel tool.

Embodiment

Be different from traditionally and must make contact panel with two electrically-conductive backing plates, present embodiment be directly on single substrate local or whole transparent single-layer electrodes material is set, for example be tin indium oxide (indium tinoxide, ITO), and in transparency electrode, produce independently touch-control block according to predetermined key position, to use as touch controlled key.Simultaneously, the design of collocation lead makes the signal on each touch-control block can reach a control circuit, to pick out by the key position of touch-control.Below illustrate several contact panel designs of the unshowy touch controlled key design of tool.

Please refer to Figure 1A and Figure 1B, Figure 1A is the synoptic diagram according to a kind of contact panel of a preferred embodiment of the present invention, and Figure 1B is the partial schematic diagram of Figure 1A contact panel.Contact panel 10 comprises transparency carrier 110, transparency electrode 120 and many leads 130 and 132.Transparency carrier 110 has a viewing area 110A.Transparency electrode 120 is arranged on the transparency carrier 110, and has a plurality of first touch-control blocks 122 and the second touch-control block 124 in order to make touch controlled key.The first touch-control block 122 is along all edges configuration of viewing area 110A, 124 of the second touch-control blocks be arranged in 122 of the first touch-control blocks around the zone.

When making the first touch-control block 122 and the second touch-control block 124 on transparency carrier 110, can form a transparent electrode layer earlier on transparency carrier 110, the transparency electrode with predetermined button periphery etches away again, independently to go out key position.Etched width needs less than allowing the human eye width of identification easily.

As for lead 130 and 132, because lead 130 and 132 also can be come out by the identification of human eye institute easily, therefore for avoiding influencing viewing area 110A picture, all leads 130 and 132 are to be set at outside the 110A of viewing area, wherein, lead 130 is to be connected to the first touch-control block 122, and 132 in lead is to be connected to the second touch-control block 124.

Shown in Figure 1A, contact panel 10 more comprises a transmission interface 140.Lead 130 and 132 is along the configuration of the viewing area 110A outside and focus on transmission interface 140 places, lead 130 and 132 sees through transmission interface 140 to be connected to a control circuit 150, this control circuit 150 for example be a capacitance touching control switch control integrated circuit (integrated circuit, IC).Control circuit 150 can see through lead 130 and produce capacity effect with 132 on the first touch-control block 122 of corresponding connection and the second touch-control block 124.When finger changes original capacity effect near arbitrary touch-control block, produce a sensor signal, this sensor signal via lead 130 or 132, transmission interface 140 being sent in the control circuit 150, control circuit 150 thereby can pick out by the key position of touch-control.

Among Figure 1A, the first touch-control block 122 around the zone in be provided with four second touch-control blocks 124, the area of these four second touch-control blocks 124 is not only all greater than the first touch-control block 122, and be covered with whole viewing area 110A jointly with the first touch-control block 122, thereby whole viewing area 110A is all effective touch area.Because the second touch-control block 124 is the inboards that are positioned at viewing area 110A,, must extends one from the second touch-control block 124 and extend block 124A in order to be connected with lead 132.Extending block 124A is the gap of passing 122 of two first touch-control blocks, and extends to the edge of viewing area 110A, makes the main touch-control block 124B of the second touch-control block 124 be connected to lead 132 through extending block 124A.

Shown in Figure 1B,, so during the touch-control first touch-control block 122, be easier to false touch to the extension block 124A that is close to because extension block 124A and the first touch-control block 122 of the second touch-control block 124 is very approaching.For the situation of avoiding false touch takes place, the width or the gap W1 of two adjacent first touch-control blocks 122 that extend block 124A can be the smaller the better, to reduce the induction area in this district.Preferably, width or gap W1 can be less than 1/2nd of the thickness of transparency carrier 110, or less than 30 μ m.

Yet, too small when the width that extends block 124A, be easier to make resistance value to increase and the susceptibility of reduction sensing.Therefore, can increase lead 132 numbers that are connected to the second touch-control block 122 to reduce resistance.Please refer to Fig. 2, it is the synoptic diagram of the first touch-control block 122 to be separated by and to come than big distance of part.Between the part first touch-control block 122 at 110A edge, viewing area, have a plurality of gap W2, and having a plurality of extension block 124A ', the second touch-control block passes these gaps W2 respectively, main touch-control block 124B ' is connected to the lead 132 ' at 110A edge, viewing area.Compared to the gap W1 of Figure 1B, gap W2 or to extend block 124A ' all less, therefore make be connected to extend block 124A ' lead 132 ' along with gap W2 diminishes, the width of lead 132 ' thereby less than the width of script lead 132 or lead 130.With Fig. 2 is example, and the width of lead 132 ' is approximately less than 1/3rd of the width of lead 130.When the width of lead 132 ' hour, its sectional area also diminishes and resistance becomes big, can make the second touch-control block 124 ' become insensitive.Preferably can be connected so increase by two extension block 124A ', to keep the induction sensitivity of the second touch-control block 124 ' with three leads 132 '.

Though above-mentioned is with all edges configuration of the first touch-control block 122 along viewing area 110A, and the collocation area is covered with whole viewing area 110A greater than four second touch-control blocks 124 of the first touch-control block 122 and does explanation, so not as qualification.In fact quantity, area and the configuration mode of the first touch-control block 122 and the second touch-control block 124 can go decision according to the design requirement of product.

Please refer to Fig. 3, it is that the first touch-control block is only along the synoptic diagram of the part edge of viewing area configuration.What contact panel 20 and aforementioned contact panel 10 were different is, incomplete covering transparent electrode 220 on the transparency carrier 210, wherein, the first touch-control block 222 of transparency electrode 220 only is disposed at the part edge (as the edge of the right-hand and below of Fig. 3) of viewing area 210A, and also only dispose one second touch-control block 224 in the inboard of viewing area 210A, making the viewing area 210A of contact panel 20 that the subregion only be arranged is effective touch area.Lead 230 and 232 is disposed at outside the 210A of viewing area, and lays along viewing area 210A.The first touch-control block 222 is to be connected to lead 230.The second touch-control block 224 has an extension block 224A and a main touch-control block 224B who is connected, and wherein, main touch-control block 224B sees through extension block 224A to be connected to lead 232.The first touch-control block 222 and the second touch-control block 224 are connected to transmission interface 240 and control circuit 250 via lead 230 and 232 again.

Though the first touch-control block 122,222 of present embodiment or the second touch-control block 124,224 all are to be that example explains with the rectangle, so not as qualification, the shape of touch-control block also can be circle, polygon, ellipse or other irregular shape etc., or can remove to design the touch-control block according to the overall dimensions of viewing area and the key position of desire configuration.

Please refer to Fig. 4, it is the synoptic diagram of the circular touch controlled key of contact panel tool.The transparency electrode 320 of contact panel 30 is not filled up the viewing area 310A of transparency carrier 310 fully.The production method of this kind transparency electrode 320 for example is after filling up full wafer transparency carrier 310 earlier, again with the electrode material etching of non-key position or cut away, can produce the electrode pattern with a plurality of touch-control blocks.Transparency electrode 320 comprises a plurality of first touch-control blocks 322 and a plurality of second touch-control blocks 324, and wherein, the first touch-control block 322 for example is the button design of rectangle, and the second touch-control block 324 then for example is circular button design.The first touch-control block 322 is discontinuous edge settings along viewing area 310A.The second touch-control block 324 has one of to be connected and extends a block 324A and a main touch-control block 324B, and wherein, main touch-control block 324B is positioned at the inboard of viewing area 310A, and away from the edge of viewing area 310A.Extend block 324A and pass the gap of 322 of the first touch-control blocks to extend to the edge of viewing area 310A.The extension block 324A of the first touch-control block 322 and the second touch-control block 324 is connected to the outer lead 330 and 332 of viewing area 310A respectively.

The button effect that the difform touch-control block of arranging in pairs or groups is produced makes contact panel have more variability, and when subsequent applications arrived other electronic installation, the different pattern on the display screen of more can arranging in pairs or groups showed, makes display frame abundanter.The contact panel of present embodiment for example can be applicable on the multimedia playing apparatus (as digital photo frame), allows the user directly put selection operation on device.

The contact panel of the disclosed tool touch controlled key of the above embodiment of the present invention is directly to define a plurality of different key positions in the single layered transparent electrode on transparency carrier, makes contact panel local or form the induction region of button comprehensively.The edge that touch controlled key can be positioned at the viewing area is with inner, arranges in pairs or groups the shown pattern of display screen again and formed complete product operation interface.Compared to using two layers of electrically-conductive backing plate to make contact panel traditionally, the structure of present embodiment is more simple, processing procedure is easy.In addition, the contact panel of the present embodiment complicated driving circuit that need not to arrange in pairs or groups can pick out key position, can save more manufacturing cost.

In sum, though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.

Claims (10)

1. contact panel with touch controlled key comprises:
One transparency carrier has a viewing area;
The a plurality of first transparency electrode touch-control blocks and the second transparency electrode touch-control block, form and independently be arranged on the transparency carrier respectively by single layered transparent electrode, wherein, the described first transparency electrode touch-control block is along at least one edge configuration of viewing area, the second transparency electrode touch-control block comprises a main touch-control block and one first and extends block, this main touch-control block is arranged in this viewing area and away from the edge of viewing area, and first extends the edge that block and main touch-control block are connected and extend to this viewing area;
A plurality of first leads are arranged at outside the viewing area, and an end of described first lead is connected in the described first transparency electrode touch-control block, one side, and this side is adjacent to the edge of this viewing area; And
One second lead is arranged at outside this viewing area, and this second lead connects the edge of this contiguous viewing area of first extension block.
2. the contact panel with touch controlled key according to claim 1, it is characterized in that all the edge configurations of the described first touch-control block along this viewing area, the second touch-control block be arranged in the described first touch-control block around the zone, and have one first and extend block and pass the gap of the described first touch-control block to extend to the edge of this viewing area.
3. the contact panel with touch controlled key according to claim 1 is characterized in that described first extends the gap location that block is disposed at the two contiguous described first transparency electrode touch-control blocks, and extends to the edge of this viewing area.
4. the contact panel with touch controlled key according to claim 1, it is characterized in that the described second transparency electrode touch-control block has more one second and extends block, described second extends block and the described first extension block passes the edge that extends to this viewing area behind two gaps of the described first transparency electrode touch-control block respectively.
5. the contact panel with touch controlled key according to claim 4, it is characterized in that described control panel more comprises a privates, privates connects the edge of the contiguous viewing area of the second extension block, and wherein the width of the privates and second lead is less than the width of described first lead.
6. the contact panel with touch controlled key according to claim 5, the width that it is characterized in that the described privates and second lead is less than 1/3rd of described first conductor width.
7. the contact panel with touch controlled key according to claim 1 is characterized in that the described first transparency electrode touch-control block and the second transparency electrode touch-control block partly are filled on this viewing area.
8. the contact panel with touch controlled key according to claim 1, the gap that it is characterized in that the described first transparency electrode touch-control block is less than 1/2nd of this transparency carrier thickness.
9. the contact panel with touch controlled key according to claim 1, the gap that it is characterized in that the wherein said first transparency electrode touch-control block is less than 30 μ m.
10. the contact panel with touch controlled key according to claim 1 is characterized in that described contact panel more comprises a transmission interface, and transmission interface connects described first lead and second lead.
CN2008100231424A 2008-07-15 2008-07-15 Touch control panel with touch control press key CN101329609B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2008100231424A CN101329609B (en) 2008-07-15 2008-07-15 Touch control panel with touch control press key

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CN101329609B true CN101329609B (en) 2010-08-18

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101782814B (en) * 2009-01-20 2011-12-28 元太科技工业股份有限公司 Touch structure for flexible display device
CN102043578B (en) * 2010-08-31 2012-08-15 苏州佳世达电通有限公司 Control method of touch control system and touch control system
CN102081477A (en) * 2010-12-29 2011-06-01 广东中显科技有限公司 Multi-point touch panel
WO2012117046A1 (en) * 2011-03-01 2012-09-07 Printechnologics Gmbh Input element for operating a touch-screen
CN103176641A (en) * 2011-12-25 2013-06-26 宸鸿科技(厦门)有限公司 Touch panel and manufacturing method thereof
CN102830926B (en) * 2012-08-10 2016-12-21 北京三星通信技术研究有限公司 Mobile terminal and operational approach thereof
KR101448102B1 (en) * 2013-05-15 2014-10-10 (주)멜파스 Touch sensing apparatus using touch pattern without insulation and method for manufacturing the same
CN104715682B (en) * 2015-04-07 2017-10-17 京东方科技集团股份有限公司 A kind of display device
CN106292022A (en) * 2015-05-28 2017-01-04 鸿富锦精密工业(深圳)有限公司 In-cell touch display panel
CN105528115B (en) * 2016-01-12 2019-01-22 上海中航光电子有限公司 A kind of touch-control display panel and touch control display device

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