CN101059736B - Light-penetrating type touching control panel and its manufacture method - Google Patents
Light-penetrating type touching control panel and its manufacture method Download PDFInfo
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- CN101059736B CN101059736B CN200610075582A CN200610075582A CN101059736B CN 101059736 B CN101059736 B CN 101059736B CN 200610075582 A CN200610075582 A CN 200610075582A CN 200610075582 A CN200610075582 A CN 200610075582A CN 101059736 B CN101059736 B CN 101059736B
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- transparency conducting
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Abstract
The invention discloses a light transmission touch-control panel and a relative production, wherein the panel comprises a transparent baseboard, a pattern first transparent conductive layer, an insulation layer, and a patterned second transparent conductive layer, the first transparent conductive layer, the insulation layer and the second transparent conductive layer are laminated on one surface of the transparent baseboard, the first and the second transparent conductive layers are at opposite surfaces or one surface of the insulation layer, the nearby first and second transparent conductive layers can generate electric field component parallel with the surface of the baseboard, after being powered. When object touches the baseboard to change the electric field strength, the touch-control panel can recognize the touched position.
Description
Technical field
The present invention relates to a kind of light-penetrating type touching control panel and manufacture method thereof, especially relate to a kind of contact panel and manufacture method thereof with capacitance circuit.
Background technology
Along with growing with each passing day of multimedia information inquiry demand, people use Touch Screen (touch screen) to replace mouse or keyboard more and more.Because Touch Screen is at present simple, hommization and the input media of saving the space, so apply to visitor's guide system, ATM (Automatic Teller Machine), palmtop computer, point-of-sale terminals and industrial control system etc. widely.
By this technology, the user is as long as click the main frame that connecting just can be operated in the symbol that presents on the Touch Screen or literal with pointing.As shown in Figure 1, a Touch Screen 10 is provided with a transparent contact panel 11 on the surface of electronic display 12, and electronic display 12 can demonstrate the project that need click.When one of them option of finger touches, will produce the relative voltage of contacting points position coordinate, therefore the instruction of the project that clicks just can be recognized and carry out to a main frame (not shown).
Fig. 2 is the synoptic diagram of section of the contact panel 11 of Fig. 1.This contact panel 11 comprises a transparent base 115, and the upper surface of this transparent base 115 is provided with down circuit layer 114.This time circuit layer 114 is a kind of transparent conductive materials, generally to select tin indium oxide (indium-tin-oxide for use; ITO) be preferable.Surface distributed at following circuit layer 114 has many discontinuous spaced points 113 in addition, and two adjacent spaced points 113 transversely all are maintained fixed distance vertical reaching.There is a smooth transparent film layer 111 to be located at the outermost layer of contact panel 11, is available for users to the structure of directly touching and protection internal layer.
Identical with the material of following circuit layer 114 in addition last circuit layer 112 is located at the inner surface of transparent film layer 111, and spaced points 113 can be considered last circuit layer 112 and descends circuit layer 114 to be isolated.Around this contact panel 11 adhesive agent 116 is arranged, be used for transparent film layer 111 and transparent base 115 are fixed together.When finger tip or sharp object press transparent film layer 111, because of transparent film layer 111 is flexual plastic sheeting, so the contact can cave inward up to last circuit layer 112 and down till circuit layer 114 contacts.
Above-mentioned contact panel 11 is a kind of resistance-type (push type) circuit structure, that is when last circuit layer 112 reaches circuit layer 114 to be in contact with one another because of being pressed, can cause the relative change of electric current and voltage, thereby just can detect position of touch.But because uppermost transparent film layer 111 is necessary for the plastic base of deflection, its scratch resistance, corrosion resistivity and light transmission are all not as glass substrate.Therefore, the contact panel of another kind of non-push type (capacitance circuit structure) replaces push type contact panel 11 gradually, but because this capacitance circuit will form a plurality of regularly arranged positively charged metal utmost points and metal negative electrode (light can't penetrating metal layer) on a plastic base, so plant opaque structure and can't be applicable to the display screen that generally can click input instruction, use and only be limited in the indicator device on the keyboard operation face of general computing machine.Compare in operation more sensitively and reliably with the known contact panel of resistance-type circuit though have the known contact panel of capacitance circuit, be subject to opaque metal layer and can't be widely used.
In sum, need provide a kind of and can accurately reach the contact panel of responding to the touch-control action delicately, and have the various display screens that the transparent structure of light is beneficial to be widely used in clicking input instruction.
Summary of the invention
The purpose of this invention is to provide a kind of light-penetrating type touching control panel and manufacture method thereof, it utilizes relative two battery lead plates of transparent conductive material as electric capacity, therefore this contact panel has the light-penetrating type structure, so can be applicable to click the various display screens of input instruction.
For achieving the above object, the invention provides a kind of light-penetrating type touching control panel, this contact panel comprises second transparency conducting layer of first transparency conducting layer, an insulation course and a patterning of a transparency carrier, a patterning, and wherein this first transparency conducting layer, this insulation course and this second transparency conducting layer are stacked and placed on the surface of this transparency carrier.This first transparency conducting layer and this second transparency conducting layer can be located at the apparent surface or the same surface of this insulation course, and can produce the electric field component that is parallel to this transparency carrier surface because of electric power supply between this adjacent first transparency conducting layer and this second transparency conducting layer.When object contacts this transparency carrier and after changing the electric field intensity (line of electric force intensity) of this electric field, this contact panel just can identify this position contacting.When this first transparency conducting layer and this second transparency conducting layer are located at the same surface of this insulation course, this insulation course also has a plurality of through holes, and be provided with the vertical conducting post in this through hole, the first end of each described vertical conducting post is connected with a electrode in this second transparency conducting layer.Also be provided with multiple conducting wires in insulation course with respect to the surface of this second transparency conducting layer, each described lead is connected with the second end of at least one described vertical conducting post.
Particularly, for achieving the above object, the invention provides a kind of light-penetrating type touching control panel, comprise: a transparency carrier; One first transparency conducting layer is located at the surface of this transparency carrier patterning; One insulation course, it covers this first transparency conducting layer and this transparency carrier; And one second transparency conducting layer, be located at the surface of this insulation course patterning.
For achieving the above object, the present invention also provides a kind of manufacture method of light-penetrating type touching control panel, comprises the following step: a transparency carrier is provided; Surface at this transparency carrier forms and patterning one first transparency conducting layer with photoetching process; On this first transparency conducting layer and this transparency carrier, cover an insulation course; And form and patterning one second transparency conducting layer with photoetching process on the surface of this insulation course.
For achieving the above object, the present invention also provides a kind of manufacture method of light-penetrating type touching control panel, comprises the following step: a transparency carrier is provided; Surface at this transparency carrier forms and patterning one first transparency conducting layer and one second transparency conducting layer with photoetching process; On this first transparency conducting layer, this second transparency conducting layer and this transparency carrier, cover an insulation course; Form a plurality of vertical conducting posts that are arranged in this insulation course, an end of each described vertical conducting post is connected with this second transparency conducting layer; And on respect to this surface of insulating layer of this second transparency conducting layer, forming many leads, each described lead is connected with the other end of at least one described vertical conducting post.
Light-penetrating type touching control panel of the present invention can accurately reach responds to the touch-control action delicately, and has the various display screens that the transparent structure of light is beneficial to be widely used in clicking input instruction.Simultaneously, the present invention utilizes relative two battery lead plates of transparent conductive material as electric capacity, and therefore light-penetrating type touching control panel of the present invention is the structure of light-penetrating type, so can be applicable to click the various display screens of input instruction.
Description of drawings
Fig. 1 is the synoptic diagram of known Touch Screen;
Fig. 2 is the diagrammatic cross-section of known contact panel;
Fig. 3 (a)～3 (c) is the synoptic diagram of the manufacturing step of light-penetrating type touching control panel of the present invention;
Fig. 4 is the diagrammatic cross-section along 1-1 line among Fig. 3 (c);
Fig. 5 (a)～5 (c) is the synoptic diagram of manufacturing step of the light-penetrating type touching control panel of another embodiment of the present invention; And
Fig. 6 is the diagrammatic cross-section along 2-2 line among Fig. 5 (c).
Wherein, description of reference numerals is as follows:
10 Touch Screens, 11 contact panels
12 electronic displays, 30 contact panels
31,51 transparency carriers, 32,52 first transparency conducting layers
33,54 insulation courses, 34,53 second transparency conducting layers
55 vertical conducting posts, 56 second leads
Circuit layer on 111 transparent film layers 112
114 times circuit layers of 113 spaced points
115 transparent bases, 116 adhesive agents
321 first battery lead plates, 322 first leads
341 second battery lead plates, 342 second leads
343 connect lead 521 first electrodes
522 first leads, 541 through holes
561 connect lead
Embodiment
Fig. 3 (a)～3 (c) is the synoptic diagram of the manufacturing step of light-penetrating type touching control panel 30 of the present invention.First transparency conducting layer, 32, the first transparency conducting layers 32 with photoetching (photo-lithography) technology formation patterning on a transparency carrier 31 comprise a plurality of first battery lead plates 321 and vertical many first leads 322 that connect same row first battery lead plate 321.This transparency carrier 31 can be glass or transparent high molecule plastic material, for example: polycarbonate (PC) and Polyvinylchloride transparent materials such as (PVC).And the material of this first transparency conducting layer 32 can be tin indium oxide, aluminum zinc oxide (AZO) or indium zinc oxide (IZO).And photoetching process can comprise steps such as sputter, coating, exposure, soft roasting, hard roasting, development or baking.
Shown in Fig. 3 (b), then on first transparency conducting layer 32 of patterning and transparency carrier 31, cover an insulation course 33, this insulation course 33 can be a high molecule plastic, for example: epoxy resin (epoxy), pi (polyimide) or acryl (acrylic).Referring to Fig. 3 (c), at patterned surface one second transparency conducting layer 34 of insulation course 33, this second transparency conducting layer 34 comprises a plurality of second battery lead plates 341 and horizontal many second leads 342 that connect with delegation's second battery lead plate 341.In addition, can be provided with many in a side of insulation course 33 and connect leads 343, connect lead 343 by each and a plurality of second battery lead plates 341 of laterally contacting can be diverted to the conflux end identical respectively with first lead 332.The pattern of this first battery lead plate 321 and second battery lead plate 341 is not limited to illustrated rectangle or rhombus among the figure, and the battery lead plate of other shape also should be included in protection scope of the present invention.
Fig. 4 is the diagrammatic cross-section along 1-1 line among Fig. 3 (c).This light-penetrating type touching control panel 30 forms the sandwich structure of first transparency conducting layer 32, insulation course 33 and second transparency conducting layer 34 with photoetching process on transparency carrier 31, wherein second battery lead plate 341 of second transparency conducting layer 34 can produce lateral electric fields with adjacent first battery lead plate 321 after electric power supply, promptly has the electric field component that is parallel to these transparency carrier 31 surfaces.As object contact or near transparency carrier 31 and after changing the electric field intensity of this horizontal direction electric field, this contact panel 30 just can identify this position contacting.
Fig. 5 (a)～5 (c) is the synoptic diagram of manufacturing step of the light-penetrating type touching control panel 50 of another embodiment of the present invention. on a transparency carrier 51, form first transparency conducting layer 52 and second transparency conducting layer 53 of patterning with photoetching process, wherein this first transparency conducting layer 52 comprises that a plurality of first battery lead plates 521 and vertical many first leads 522. these transparency carriers 51 that connect same row first battery lead plate 521 can be glass or transparent high molecule plastic material, for example: transparent materials such as polycarbonate and Polyvinylchloride. and the material of this first transparency conducting layer 52 and second transparency conducting layer 53 can be a tin indium oxide, aluminum zinc oxide or indium zinc oxide.
Shown in Fig. 5 (b), then on first transparency conducting layer 52 of patterning and second transparency conducting layer 53, cover an insulation course 54, this insulation course 54 can be epoxy resin, pi or acryl, and the insulation course above each battery lead plate 54 forms at least one through hole 541 in this second transparency conducting layer 53.Referring to Fig. 5 (c), because therefore the electrical independence of each battery lead plate on second transparency conducting layer 53 need be provided with transparent vertical conducting post 55 in this through hole 541, the first end of each vertical conducting post 55 is connected with a battery lead plate in second transparency conducting layer 53.Also be provided with many second leads 56 at insulation course 54 with respect to the surface of second transparency conducting layer 53, each described second lead 56 is connected with the second end of at least one vertical conducting post 55.In addition, can be provided with many in a side of insulation course 54 and connect leads 561, connect lead 561 by each and the battery lead plate in second transparency conducting layer 53 of laterally contacting can be diverted to the conflux end identical respectively with first lead 522.The battery lead plate pattern of this first battery lead plate 521 and second transparency conducting layer 53 is not restricted to illustrated rectangle or rhombus among the figure, and the battery lead plate of other shape also belongs in protection scope of the present invention.
Fig. 6 is the diagrammatic cross-section along 2-2 line among Fig. 5 (c).This light-penetrating type touching control panel 50 forms the capacitance circuit structure of first transparency conducting layer 52, second transparency conducting layer 53 and insulation course 54 with photoetching process on transparency carrier 51, wherein the battery lead plate of second transparency conducting layer 53 and adjacent first battery lead plate 521 can produce lateral electric fields after electric power supply, promptly have the electric field component that is parallel to these transparency carrier 51 surfaces.As object contact or near substrate 51 and after changing the electric field intensity of this horizontal direction electric field, this contact panel 50 just can identify this position contacting.
Technology contents of the present invention and technical characterstic are open as above, yet those skilled in the art still may do all replacement and modifications that does not deviate from spirit of the present invention based on enlightenment of the present invention and disclosed content.Therefore, protection scope of the present invention should be not limited to the disclosed scope of embodiment, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by the scope of claims of the present invention.
Claims (21)
1. light-penetrating type touching control panel comprises:
One transparency carrier;
One first transparency conducting layer is located at the surface of this transparency carrier patterning; This first transparency conducting layer comprises a plurality of first battery lead plates and many first leads that connect described first battery lead plate of same row;
One insulation course, it covers this first transparency conducting layer and this transparency carrier; And
One second transparency conducting layer is located at the surface of this insulation course patterning; This second transparency conducting layer comprises a plurality of second battery lead plates and many connections second lead with described second battery lead plate of delegation;
Wherein this second transparency conducting layer and this first transparency conducting layer are located at the apparent surface of this insulation course respectively; This second battery lead plate and adjacent this first battery lead plate can produce lateral electric fields when electric power supply, this lateral electric fields has the component that is parallel to this transparency carrier surface.
2. light-penetrating type touching control panel according to claim 1, wherein this transparency carrier is made by glass or transparent polymer plastics.
3. light-penetrating type touching control panel according to claim 1, wherein this first transparency conducting layer and this second transparency conducting layer are made by tin indium oxide, aluminum zinc oxide or indium zinc oxide.
4. light-penetrating type touching control panel according to claim 1, wherein this insulation course is the high molecule plastic material.
5. light-penetrating type touching control panel comprises:
One transparency carrier;
One first transparency conducting layer is located at the surface of this transparency carrier patterning;
One insulation course, it covers this first transparency conducting layer and this transparency carrier; And
One second transparency conducting layer is located at the surface of this insulation course patterning;
Wherein this second transparency conducting layer and this first transparency conducting layer are located at the same surface of this insulation course; Form at least one through hole in this insulation course, and form the vertical conducting post that is arranged in insulation course, an end of each vertical conducting post is connected with a battery lead plate in second transparency conducting layer, and the other end is connected with many leads that are arranged on surface of insulating layer.
6. light-penetrating type touching control panel according to claim 5, wherein this first transparency conducting layer comprises a plurality of first battery lead plates and many first leads that connect described first battery lead plate of same row.
7. light-penetrating type touching control panel according to claim 6, wherein this second transparency conducting layer comprises a plurality of second battery lead plates.
8. light-penetrating type touching control panel according to claim 7, wherein this second battery lead plate and adjacent described first battery lead plate produce lateral electric fields when electric power supply, and this lateral electric fields has the component that is parallel to this transparency carrier surface.
9. light-penetrating type touching control panel according to claim 5, wherein this transparency carrier is made by glass or transparent polymer plastics.
10. light-penetrating type touching control panel according to claim 5, wherein this first transparency conducting layer and this second transparency conducting layer are made by tin indium oxide, aluminum zinc oxide or indium zinc oxide.
11. light-penetrating type touching control panel according to claim 5, wherein this insulation course is the high molecule plastic material.
12. the manufacture method of a light-penetrating type touching control panel comprises the following step:
One transparency carrier is provided;
Surface at this transparency carrier forms and patterning one first transparency conducting layer with photoetching process; This first transparency conducting layer comprises a plurality of first battery lead plates and many first leads that connect described first battery lead plate of same row;
On this first transparency conducting layer and this transparency carrier, cover an insulation course; And
Forming and patterning one second transparency conducting layer with photoetching process of this insulation course with the described first transparency conducting layer facing surfaces; This second transparency conducting layer comprises a plurality of second battery lead plates and many connections second lead with described second battery lead plate of delegation;
This second battery lead plate and adjacent this first battery lead plate can produce lateral electric fields when electric power supply, this lateral electric fields has the component that is parallel to this transparency carrier surface.
13. the manufacture method of light-penetrating type touching control panel according to claim 12, wherein this transparency carrier is made by glass or transparent polymer plastics.
14. the manufacture method of light-penetrating type touching control panel according to claim 12, wherein this first transparency conducting layer and this second transparency conducting layer are made by tin indium oxide, aluminum zinc oxide or indium zinc oxide.
15. the manufacture method of light-penetrating type touching control panel according to claim 12, wherein this insulation course is the high molecule plastic material.
16. the manufacture method of light-penetrating type touching control panel according to claim 12, wherein this photoetching process comprises sputter, coating, exposure, soft roasting, the hard step of baking, developing or toasting.
17. the manufacture method of a light-penetrating type touching control panel comprises the following step:
One transparency carrier is provided;
A surface at this transparency carrier forms and patterning one first transparency conducting layer and one second transparency conducting layer with photoetching process;
On this first transparency conducting layer, this second transparency conducting layer and this transparency carrier, cover an insulation course;
Form a plurality of vertical conducting posts that are arranged in this insulation course, an end of each described vertical conducting post is connected with this second transparency conducting layer; And
Form many leads on respect to this surface of insulating layer of this second transparency conducting layer, each described lead is connected with the other end of at least one described vertical conducting post.
18. the manufacture method of light-penetrating type touching control panel according to claim 17, the wherein sheet material of this transparency carrier for making by glass or transparent polymer plastics.
19. the manufacture method of light-penetrating type touching control panel according to claim 17, wherein this first transparency conducting layer and this second transparency conducting layer are made by tin indium oxide, aluminum zinc oxide or indium zinc oxide.
20. the manufacture method of light-penetrating type touching control panel according to claim 17, wherein this insulation course is the high molecule plastic material.
21. the manufacture method of light-penetrating type touching control panel according to claim 17, wherein this photoetching process comprises sputter, coating, exposure, soft roasting, the hard step of baking, developing or toasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610075582A CN101059736B (en) | 2006-04-20 | 2006-04-20 | Light-penetrating type touching control panel and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610075582A CN101059736B (en) | 2006-04-20 | 2006-04-20 | Light-penetrating type touching control panel and its manufacture method |
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| Publication Number | Publication Date |
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| CN101059736A CN101059736A (en) | 2007-10-24 |
| CN101059736B true CN101059736B (en) | 2010-05-12 |
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| CN200610075582A Expired - Fee Related CN101059736B (en) | 2006-04-20 | 2006-04-20 | Light-penetrating type touching control panel and its manufacture method |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101322015B1 (en) * | 2008-06-24 | 2013-10-25 | 엘지디스플레이 주식회사 | Liquid Crystal Display Device |
| JP5510451B2 (en) * | 2009-04-28 | 2014-06-04 | 日本電気株式会社 | Touch panel, touch panel manufacturing method, and electronic device |
| CN101881899B (en) * | 2009-05-08 | 2011-11-02 | 义强科技股份有限公司 | Liquid crystal display |
| CN101902217B (en) * | 2009-06-01 | 2013-03-27 | 冠华科技股份有限公司 | Structural improvement for digital capacitance touch pad |
| WO2011001961A1 (en) * | 2009-06-30 | 2011-01-06 | Dic株式会社 | Method for forming pattern for transparent conductive layer |
| CN101751181B (en) * | 2009-12-28 | 2012-03-28 | 友达光电股份有限公司 | Touch control panel manufacturing method |
| JP2012069049A (en) * | 2010-09-27 | 2012-04-05 | Alps Electric Co Ltd | Electrode substrate and method of manufacturing the same |
| US8717330B2 (en) | 2010-11-22 | 2014-05-06 | Industrial Technology Research Institute | Flexible projective capacitive touch sensor structure |
| CN102200858A (en) * | 2011-04-29 | 2011-09-28 | 深圳南玻伟光导电膜有限公司 | Transparent conducting layer structure of touch screen |
| TWI484382B (en) * | 2013-04-17 | 2015-05-11 | E Ink Holdings Inc | Touch panel |
| TWI585661B (en) * | 2015-02-05 | 2017-06-01 | 鴻海精密工業股份有限公司 | Touch sensor layer and display device |
| TWI567613B (en) * | 2015-12-04 | 2017-01-21 | 恆顥科技股份有限公司 | Force sensing module and force touch sensing display module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336630A (en) * | 2000-07-27 | 2002-02-20 | 曾国浩 | Touching control panel and its manufacture |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336630A (en) * | 2000-07-27 | 2002-02-20 | 曾国浩 | Touching control panel and its manufacture |
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Owner name: RITFAST CORPORATION Free format text: FORMER OWNER: LAIBAO SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20111130 |
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