CN202771408U - Capacitance type touch screen - Google Patents
Capacitance type touch screen Download PDFInfo
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- CN202771408U CN202771408U CN 201220391004 CN201220391004U CN202771408U CN 202771408 U CN202771408 U CN 202771408U CN 201220391004 CN201220391004 CN 201220391004 CN 201220391004 U CN201220391004 U CN 201220391004U CN 202771408 U CN202771408 U CN 202771408U
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Abstract
The utility model discloses a capacitance type touch screen which is divided into a touch control area and a non-touch control area. The capacitance type touch screen comprises a touch control basic layer and a touch control sensing layer which is adhered to a first lateral surface of the touch control basic layer by an adhesive layer. The touch control basic layer and the touch control sensing layer are arranged, and is adhered to each other through optical cement, thicknesses of the touch control basic layer and the touch control sensing layer are moderate, a first touch control circuit and a second touch control circuit which are respectively arranged on the touch control basic layer and the touch control sensing layer are respectively led through a first conducting layer and a second conducting layer to a bonding place of a flexible circuit board, so that the capacitance type touch screen can effectively solve the problem that in the prior art, a bonding place of a flexible circuit board can not be protected, and is reasonable in structure, simple in production craft and low in manufacturing cost.
Description
Technical field
The utility model relates to the touch screen technology field, relates in particular to a kind of capacitive touch screen.
Background technology
Along with developing rapidly of science and technology, touch technology is subject to the generally attention in the whole world, and is widely applied to industry-by-industry as a kind of at present the simplest, convenient, natural man-machine interaction mode.Along with day by day universal in electronic product of touch-screen, existing occuping market leading position.Existing electronic product touch-screen is by the difference of its principle of work and transmission information medium, can be divided into four kinds of resistance-type, condenser type, infrared-type and surface acoustic wave types, wherein the advantage such as capacitive touch screen, easy operating good with its feel, multi-point touch enjoys and pursues.
Capacitive touch screen is a kind of touch-screen that comes the touch sensitive signal by electrode and the combination of people's bulk properties.After touch-screen four limits all plate long and narrow electrode, in electric conductor, form a low-voltage AC electric field.When human body (finger) touch screen, because human body electric field action, can form a coupling capacitance between finger and conductor layer, the electric current that four limit electrodes produce can flow to the contact, be directly proportional with the distance of finger to electrode and electric current is strong and weak, be positioned at ratio and power that controller after the touch screen just can calculate electric current, accurately calculate the position of touch point.
Present capacitive touch screen mainly comprises GFF (Glass-Film-Film), GG (Glass-Glass), several structures such as PG (PET-Glass), OGS (One Glass Solution).The GFF structure is the two-layer conducting film of one deck glass gluing, and this structure is owing to being provided with two-layer conducting film, therefore need two-layer tackifier to realize three's applying, general thickness all reaches more than the 0.55mm usually, the touch-control poor effect; The GG structure is namely fitted by layer glass and is formed, and in this kind structure, lower floor's thickness of glass is generally 0.55mm, if upper strata glass adopts 0.55mm then insufficient strength, adopts 0.70mm can cause again gross thickness blocked up, affects the touch-control effect; The PG structure is upper strata PET applying lower floor glass, and lower floor's glass can not do that abnormity cuts and the operation such as perforate in this structure, and upper strata pet sheet surface hardness only has 3H, and is inadequate as cover sheet hardness with this, easily scratch, mill flower etc.; OGS is one chip glass touch-control; it all is printed on all circuits on the glass cover-plate; aspect thickness, obtained than quantum jump; but need to adopt the gold-tinted processing procedure when doing circuit owing to it; cost of manufacture is high and the cycle is long; simultaneously its lower surface does not arrange protective seam because flexible circuit board directly is bonded on the glass cover-plate, exists the hidden danger that nation's allocation is peeled off.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of capacitive touch screen is provided, and thickness is moderate, reasonable in design, and production cost is low.
In order to solve the problems of the technologies described above, the utility model embodiment has proposed a kind of capacitive touch screen, be arranged with touch area and non-touch area, comprise: touch-control basic unit, the first side surface of described touch-control basic unit is provided with the first touch control line in the position corresponding to described touch area, and the first side surface be provided with in the position corresponding to described non-touch area link to each other with described the first touch control line described the first touch control line is caused the first conductive layer of flexible circuit board nation allocation; And fit in touch-control sensing layer on the first side surface of described touch-control basic unit by means of adhesive layer, described touch-control sensing layer on the second side surface of touch-control basic unit, be provided with corresponding with described the first touch control line with the second touch control line of producing capacity effect and link to each other with described the second touch control line described the second touch control line is caused the second conductive layer of described flexible circuit board nation allocation.
Further, the first conductive film that described touch-control basic unit comprises substrate and is printed on substrate one side surface, described the first conductive film outside surface is printed with described the first touch control line corresponding to the position of described touch area, and described the first conductive film outside surface is corresponding to the position of the described non-touch area first dielectric ink layer that has been cascading, the first conductive layer and the second dielectric ink layer, also be provided with the conducting block identical with described the first dielectric ink layer color on described first conductive film of described the first dielectric ink layer and described touch area connecting position, described the first conductive layer is connected with described the first touch control line by described conducting block, and described the second insulation course is coated on the outside surface of described the first conductive layer and conducting block.
Further, described the first dielectric ink layer and the second dielectric ink layer are the black dielectric ink, and described conducting block is conductive carbon paste.
Further, the area of the first conductive layer and described conducting block surface of contact is more than or equal to 1.0mm * 0.5mm.
Further, the thickness of a side that leans on described touch area of described the second dielectric ink layer is more than or equal to 0.3mm.
Further, described the first conductive film is the tin indium oxide conductive film; Described substrate is glass substrate or polyethylene terephthalate substrate.
Further, described touch-control sensing layer is printed with the diaphragm of the second conductive film for the surface, and described the second touch control line is printed on described the second conductive film, and described the second conductive layer is connected with described the second touch control line.
Further, described the second conductive film is the tin indium oxide conductive film; Described diaphragm is glass thin diaphragm or pet film sheet.
Further, described the first conductive layer and the second conductive layer are conductive silver paste.
Further, described adhesive layer is optical cement.
The beneficial effect of the utility model embodiment is: by touch-control basic unit and touch-control sensing layer are set, and adopt optical cement to realize the applying of the two, reasonable in design, thickness is moderate, on touch-control basic unit and touch-control sensing layer, set up the first touch control line and the second touch control line are also caused respectively flexible circuit board by the first conductive layer and the second conductive layer nation's allocation separately, effectively solve the unshielded defective of flexible circuit board nation allocation in the prior art; The touch-control basic unit of the utility model embodiment adopts conductive carbon paste to connect the first touch control line and the first conductive layer, and in the unification attractive in appearance that guarantees to keep the form border color when circuit is communicated with, production technology is simple, and cost is low.
Description of drawings
Fig. 1 is the structural representation of the capacitive touch screen of the utility model embodiment.
Fig. 2 is the block flow diagram of the capacitive touch screen manufacture method of the utility model embodiment.
Fig. 3 is the block flow diagram of the touch-control basic unit manufacture method of the utility model embodiment.
Fig. 4 is the block flow diagram of the touch-control sensing layer manufacturing method of the utility model embodiment.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can mutually combine, and below in conjunction with the drawings and specific embodiments the utility model are described in further detail.
Such as Fig. 1 ~ shown in Figure 4, the utility model embodiment provides a kind of capacitive touch screen (Glass-1Film is called for short G1F), comprises touch-control basic unit 10 and the touch-control sensing layer 20 that fits with described touch-control basic unit 10.
As everyone knows; touch-screen generally all is arranged with touch area and non-touch area; described touch area is operating window; be used for touching operation by finger and press the specified command running with opertaing device; described non-touch area is the form frame; be arranged at the periphery of described operating window, for the protection of and hidden wiring, and can play the effect of beautifying preferably operating window.The described capacitive touch screen of the utility model embodiment is arranged with touch area and non-touch area equally.
The first side surface of described touch-control basic unit 10 is provided with the first touch control line 11 corresponding to the position of described touch area, and the first side surface corresponding to the position of described non-touch area arrange link to each other with described the first touch control line 11 described the first touch control line 11 is caused the first conductive layer 12 of flexible circuit board (Flexible Printed Circuit, abbreviation FPC) nation's allocation; The second side surface of described touch-control sensing layer 20 be provided with corresponding to the position of described touch area and described the first touch control line 11 corresponding producing the second touch control lines 21 of capacity effect, and link to each other with described the second touch control line 21 described the second touch control line 21 is caused the second conductive layer 22 of described flexible circuit board nation allocation.
Be provided with an adhesive layer 30 between described touch-control basic unit 10 and the described touch-control sensing layer 20 so that the first side surface of described touch-control basic unit 10 and the second side surface of described touch-control sensing layer 20 are fitted.Described adhesive layer 30 bonding described touch-control basic units 10 and described touch-control sensing layer 20 are so that described the first touch control line 11 and the second touch control line 21 produce capacity effects, understandable, described adhesive layer 30 can be set to any tackifier of realizing that circuit is bonding of the prior art, among the utility model embodiment, described adhesive layer 30 is preferably the optical cement that light permeable rate is high, consolidation strength is good (Optical Clear Adhesive is called for short OCA).
Please refer to Fig. 1, described touch-control basic unit 10 comprises substrate 13, and described substrate 13 is transparent or semitransparent plate body, and the one side is printed with the first conductive film 14 in advance.Concrete, the conductive material that described the first conductive film 14 adopts is tin indium oxide (Indium Tin Oxides, be called for short ITO), described substrate 13 is glass substrate or polyethylene terephthalate (Polyethylene terephthalate, be called for short PET) substrate, preferably, the described substrate among the utility model embodiment 13 is glass substrate.As a kind of embodiment, described the first conductive film 14 among the utility model embodiment also can be other transparent conductive materials such as zinc oxide aluminum, indium zinc oxide.Among the utility model embodiment, described substrate 13 and the first conductive film 14 have consisted of transparent or semitransparent touch base plate jointly, described touch base plate also can plate corresponding the first conductive film 14 by the side surface at described substrate 13 and obtain by from the market buying acquisition when the described capacitive touch screen of actual production.
Described the first conductive film 14 outside surfaces are printed with described the first touch control line 11 corresponding to the position of described touch area, and described the first conductive film 14 outside surfaces are corresponding to the position of the described non-touch area first dielectric ink layer 15 that has been cascading, the first conductive layer 12 and the second dielectric ink layer 16, also be provided with the conducting block 17 identical with described the first dielectric ink layer 15 color on described first conductive film 14 of described the first dielectric ink layer 15 and described touch area connecting position, described the first conductive layer 12 is connected with described the first touch control line 11 by described conducting block 17, and described the second dielectric ink layer 16 is coated on the outside surface of described the first conductive layer 12 and described conducting block 17.
Described the first dielectric ink layer 15 is used for the form frame that hides the circuit of described substrate 13 belows and form described capacitive touch screen.Under the regular situation, the form frame of described capacitive touch screen all is set to black, for meeting the public's use habit, general black dielectric ink is so that the non-touch area of described substrate 13 is rendered as dark border in the existing touch-screen manufacturing technology of described the first dielectric ink layer 15 employing among the utility model embodiment.As a kind of embodiment, described the first dielectric ink layer 15 among the utility model embodiment also can adopt the dielectric ink of other colors to satisfy the user demand of different user.
Described the first conductive layer 12 is used for described the first touch control line 11 is caused nation's allocation of described flexible circuit board, usually adopting conductive silver paste to print forms, because described conductive silver paste is silver color, and described substrate 13 is transparent or semitransparent, if directly described the first conductive layer 12 is connected with described the first conductive film 14, described the first conductive layer 12 will reveal by described substrate 13 with the surface of contact of described the first conductive film 14, will have a strong impact on so the whole visual effect of described capacitive touch screen.Be head it off, among the utility model embodiment, be provided with a conducting block 17 identical with described the first dielectric ink layer 15 color and being connected by described the first touch control line 11 of these conducting block 17 realizations and described the first conductive layer 12 between described the first conductive film 14 and described the first conductive layer 12.Described conducting block 17 among the utility model embodiment can be set to any one electrically conductive ink identical with described the first dielectric ink layer 15 color, such as conductive carbon paste, electric-conducting nickel paste etc., the described conducting block 17 among the utility model embodiment is preferably conductive carbon paste.
When described conducting block 17 was set, the thickness of described conducting block 17 can be identical with the thickness of described the first dielectric ink layer 15, also can be slightly thicker than or be slightly thinner than described the first dielectric ink layer 15.Identical or when being slightly thinner than described the first dielectric ink layer 15, described conducting block 17 has a surface of contact with described the first conductive layer 12 when the thickness of the thickness of described conducting block 17 and described the first dielectric ink layer 15; When the thickness of described conducting block 17 was slightly thicker than described the first dielectric ink layer 15, described conducting block 17 can realize that with described the first conductive layer 12 multiaspect contacts.For making described conducting block 17 when realizing described the first conductive layer 12 colors covering, finish preferably its line conduction work, need to guarantee that the area of described the first conductive layer 12 and described conducting block 17 surface of contact is more than or equal to 1.0mm * 0.5mm.For this consideration on the one hand, the described conducting block 17 among the utility model embodiment is slightly thicker than described the first dielectric ink layer 15 and guarantees that described conducting block 17 contacts with described the first conductive layer 12 multiaspects.
Described conducting block 17 is arranged on described first conductive film 14 of described the first dielectric ink layer 15 and described touch area connecting position, because described conducting block 17 is identical with described the first dielectric ink layer 15 color, therefore described conducting block 17 is visually realized seamless link with described the first dielectric ink layer 15, guarantees the unification of the form border color of described capacitive touch screen.
Described the second dielectric ink layer 16 is coated on the outside surface of described the first conductive layer 12 and described conducting block 17; it is same to adopt the black dielectric ink identical with described the first dielectric ink layer 15; reveal with the contact jaw that prevents described the first conductive layer 12 and described conducting block 17 inner side edge from described touch area to hide described the first conductive layer 12 in the connection line that forms at protection described the first conductive layer 12 and described conducting block 17, further guarantee the unitarity of the whole visual effect of described capacitive touch screen.For making described the second dielectric ink layer 16 play satisfactory covering effect, the thickness of a side that leans on described touch area of described the second dielectric ink layer 16 is more than or equal to 0.3mm, because described conducting block 17 cuts off by described the second dielectric ink layer 16 with the touch area of described substrate 13, also can be regarded as, described conducting block 17 is more than or equal to 0.3mm with the spacing of described touch area.
Described touch-control basic unit 10 among the utility model embodiment; by described the first dielectric ink layer 15; the first conductive layer 12; conducting block 17 and the second dielectric ink layer 16 be common to form the form frame of described capacitive touch screen and by jointly enclosing the operating window that forms described capacitive touch screen; the described conducting block 17 identical with described the first dielectric ink layer 15 color is set between described the first conductive film 14 and described the first conductive layer 12; when guaranteeing described the first touch control line 11 and 12 conductings of described the first conductive layer, guarantee that the integral body of described capacitive touch screen visual effect is unified; simultaneously; coat the second dielectric ink layer 16 identical with described the first dielectric ink layer 15 color at described conducting block 17 and described the first conductive layer 12 outside surfaces, when effectively protecting described conducting block 17 and the first conductive layer 12 connection lines, further guarantee the aesthetic property of the whole visual effect of described capacitive touch screen.
Described touch-control sensing layer 20 is printed with the diaphragm of the second conductive film 23 for the surface, described the second conductive film 23 can adopt identical material with described the first conductive film 14, namely all be set to the tin indium oxide conductive film, the base material of described diaphragm generally can be set to the pet film sheet, perhaps the glass thin diaphragm.Understandable, described the second conductive film 23 among the utility model embodiment can adopt such as other conductive materials such as zinc oxide aluminum, indium zinc oxides equally.
Be printed with described the second touch control line 21 on described the second conductive film 23, described the second touch control line 21 is connected described the second touch control line 21 to be caused nation's allocation of described flexible circuit board with described the second conductive layer 22.When printing described the second conductive layer 22, described the second conductive layer 22 can be coated on described the second touch control line 21 surfaces fully, also can only contact with described the second touch control line 21 parts, only need to guarantee that described the second touch control line 21 well is communicated with described the second conductive layer 22, guarantee that connection is intact to get final product.Among the utility model embodiment, described the second conductive layer 22 is set to conductive silver paste equally.As a kind of embodiment, described the first conductive layer 12 and described the second conductive layer 22 also can be set at the same time or separately to conduct electricity gold paste, conductive copper paste, electric-conducting nickel paste, electrically conductive graphite etc. other can be used for the metallic conduction colloidal materials that circuit is printed.
Below, the manufacture method of the capacitive touch screen of the utility model embodiment is further described in detail, see also Fig. 2, the manufacture method of the capacitive touch screen of the utility model embodiment mainly may further comprise the steps:
Concrete, as shown in Figure 3, making touch-control basic unit 10 steps of step 101 indication further can comprise following substep:
As shown in Figure 4, in the step 102, the manufacture method of described touch-control sensing layer 20 further can comprise following substep:
In the above-mentioned substep 203, described conducting block 17 adopts silk-screen printing technique to be printed on described the first conductive film 14, and makes one side and described the first dielectric ink layer 15 lean on a side of described touch area to connect.
In above-mentioned substep 204 and the substep 302, described the first touch control line 11 and the second touch control line 21 can adopt existing any one circuit printing technology to make, among the utility model embodiment, described the first touch control line 11 and the second touch control line 21 all adopt etch process to make, for guaranteeing the high accurancy and precision of described the first touch control line 11 and the second touch control line 21, be preferably wet etching circuit typography.
The described capacitive touch screen of the utility model embodiment is G1F structure condenser type touch-screen, described G1F structure condenser type touch-screen arranges a touch-control sensing layer 20 by the below in touch-control basic unit 10, though it is more bigger than existing OGS structural thickness, but its by described the first conductive layer 12 and the second conductive layer 22 with described flexible circuit board nation between described touch-control basic unit 10 and touch-control sensing layer 20, efficiently solve lower sandwich circuit and the unshielded defective of flexible circuit board nation allocation in the existing OGS structure, simultaneously, described touch-control basic unit 10 among the utility model embodiment adopts new structures, structural design is more reasonable, and need not to adopt the complicated wiring board printing technologies such as gold-tinted processing procedure, directly can form touch control line by etch process, technique is simpler, and fabrication cycle is shorter; And compare with traditional existing structures such as GFF, GG, then thinner, the touch-control better effects if; Compare with the PG structure, because the touch-control basic unit 10 of the described capacitive touch screen of the utility model embodiment is set to glass substrate, can carry out the processing such as abnormity cuts, perforate fluting to it, structure more easily cooperates, and skin hardness is higher, effectively avoids touch screen surface to scratch impaired etc.
The described capacitive touch screen of the utility model embodiment is rational in infrastructure, manufacture craft is simple, and common capacitive touch screen production firm can easily realize producing in enormous quantities and make, and effectively saves production cost, the production control cycle, and then realize the wide popularization and application of described capacitive touch screen.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that do not break away from principle of the present utility model and spirit can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalency range thereof.
Claims (10)
1. a capacitive touch screen is arranged with touch area and non-touch area, it is characterized in that, comprising:
Touch-control basic unit, the first side surface of described touch-control basic unit is provided with the first touch control line in the position corresponding to described touch area, and the first side surface be provided with in the position corresponding to described non-touch area link to each other with described the first touch control line described the first touch control line is caused the first conductive layer of flexible circuit board nation allocation; And
Fit in the touch-control sensing layer on the first side surface of described touch-control basic unit by means of adhesive layer, described touch-control sensing layer on the second side surface of touch-control basic unit, be provided with corresponding with described the first touch control line with the second touch control line of producing capacity effect and link to each other with described the second touch control line described the second touch control line is caused the second conductive layer of described flexible circuit board nation allocation.
2. capacitive touch screen as claimed in claim 1, it is characterized in that, the first conductive film that described touch-control basic unit comprises substrate and is printed on substrate one side surface, described the first conductive film outside surface is printed with described the first touch control line corresponding to the position of described touch area, and described the first conductive film outside surface is corresponding to the position of the described non-touch area first dielectric ink layer that has been cascading, the first conductive layer and the second dielectric ink layer, also be provided with the conducting block identical with described the first dielectric ink layer color on described first conductive film of described the first dielectric ink layer and described touch area connecting position, described the first conductive layer is connected with described the first touch control line by described conducting block, and described the second insulation course is coated on the outside surface of described the first conductive layer and conducting block.
3. capacitive touch screen as claimed in claim 2 is characterized in that, described the first dielectric ink layer and the second dielectric ink layer are the black dielectric ink, and described conducting block is conductive carbon paste.
4. capacitive touch screen as claimed in claim 2 is characterized in that, the area of the first conductive layer and described conducting block surface of contact is more than or equal to 1.0mm * 0.5mm.
5. capacitive touch screen as claimed in claim 2 is characterized in that, the thickness of a side that leans on described touch area of described the second dielectric ink layer is more than or equal to 0.3mm.
6. capacitive touch screen as claimed in claim 2 is characterized in that, described the first conductive film is the tin indium oxide conductive film; Described substrate is glass substrate or polyethylene terephthalate substrate.
7. capacitive touch screen as claimed in claim 1, it is characterized in that, described touch-control sensing layer is printed with the diaphragm of the second conductive film for the surface, described the second touch control line is printed on described the second conductive film, and described the second conductive layer is connected with described the second touch control line.
8. capacitive touch screen as claimed in claim 7 is characterized in that, described the second conductive film is the tin indium oxide conductive film; Described diaphragm is glass thin diaphragm or pet film sheet.
9. capacitive touch screen as claimed in claim 1 is characterized in that, described the first conductive layer and the second conductive layer are conductive silver paste.
10. capacitive touch screen as claimed in claim 1 is characterized in that, described adhesive layer is optical cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391004 CN202771408U (en) | 2012-08-08 | 2012-08-08 | Capacitance type touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391004 CN202771408U (en) | 2012-08-08 | 2012-08-08 | Capacitance type touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771408U true CN202771408U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220391004 Withdrawn - After Issue CN202771408U (en) | 2012-08-08 | 2012-08-08 | Capacitance type touch screen |
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| CN (1) | CN202771408U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819372A (en) * | 2012-08-08 | 2012-12-12 | 赣州市德普特科技有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN103257774A (en) * | 2013-05-10 | 2013-08-21 | 深圳市立德通讯器材有限公司 | One glass solution (OGS) capacitive touch screen and manufacturing method thereof |
| CN103294308A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved GF (glass-film)-structured touch screen and connection method for FPC (flexible printed circuit) thereof |
| CN111538437A (en) * | 2020-04-21 | 2020-08-14 | 京东方科技集团股份有限公司 | Touch module, preparation method thereof and touch display device |
| CN112558822A (en) * | 2020-12-14 | 2021-03-26 | 上海中航光电子有限公司 | Touch device, electronic equipment and manufacturing method of touch device |
-
2012
- 2012-08-08 CN CN 201220391004 patent/CN202771408U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819372A (en) * | 2012-08-08 | 2012-12-12 | 赣州市德普特科技有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN102819372B (en) * | 2012-08-08 | 2016-05-25 | 赣州市德普特科技有限公司 | Capacitive touch screen and manufacture method thereof |
| CN103294308A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved GF (glass-film)-structured touch screen and connection method for FPC (flexible printed circuit) thereof |
| CN103294308B (en) * | 2013-05-09 | 2017-07-11 | 晟光科技股份有限公司 | A kind of improved GF structures touch-screen and its FPC connection methods |
| CN103257774A (en) * | 2013-05-10 | 2013-08-21 | 深圳市立德通讯器材有限公司 | One glass solution (OGS) capacitive touch screen and manufacturing method thereof |
| CN103257774B (en) * | 2013-05-10 | 2016-01-20 | 深圳市立德通讯器材有限公司 | A kind of OGS capacitive touch screen and manufacture method thereof |
| CN111538437A (en) * | 2020-04-21 | 2020-08-14 | 京东方科技集团股份有限公司 | Touch module, preparation method thereof and touch display device |
| CN111538437B (en) * | 2020-04-21 | 2024-05-17 | 京东方科技集团股份有限公司 | Touch module, preparation method thereof and touch display device |
| CN112558822A (en) * | 2020-12-14 | 2021-03-26 | 上海中航光电子有限公司 | Touch device, electronic equipment and manufacturing method of touch device |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20160525 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |