CN102968216A - Touch screen and manufacturing method thereof - Google Patents
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- CN102968216A CN102968216A CN2012105108920A CN201210510892A CN102968216A CN 102968216 A CN102968216 A CN 102968216A CN 2012105108920 A CN2012105108920 A CN 2012105108920A CN 201210510892 A CN201210510892 A CN 201210510892A CN 102968216 A CN102968216 A CN 102968216A
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Abstract
The invention discloses a touch screen. The touch screen comprises a transparent touch control panel. The touch control panel comprises a visual area, a non-visual area with a lightproof insulating layer and a touch control electrode arranged on the transparent touch control panel. According to the touch screen disclosed by the invention, the touch control electrode is directly manufactured on the touch control panel. Compared with the prior art, the touch screen has the advantages that structurally, a layer of touch control adhesive is reduced, a layer of ITO (Indium Tin Oxide) substrate or film is reduced, and the touch screen is thinner; and in the aspect of manufacturing method, the touch control electrode is directly formed on the touch control panel, the process of laminating a touch control electrode functional layer and the touch control panel is reduced and the manufacturing process is simplified.
Description
Technical field
The present invention relates to the display technology field, more particularly, relate to a kind of touch-screen and preparation method thereof.
Background technology
Along with the develop rapidly of display technique, touch-screen display is easy to use because it has, sturdy and durable, reaction velocity fast, save the advantages such as space little by little spreads all in people's the life.Touch display is comprised of touch-screen and display screen two parts.Wherein, described touch-screen is used for realizing touch control function, and display screen is used for image and shows.
Existing touch-screen mainly is divided into glass structure touch-screen and film structure touch-screen two large classes, and wherein, described film structure touch-screen comprises again: individual layer film touch-screen and double-deck touch-screen.
With reference to figure 1, Fig. 1 is the structural representation of existing glass structure touch-screen, comprising: contact panel A and the ito substrate B that is provided with the touch-control electrode.Wherein.Described contact panel A and ito substrate B are by cementing agent C bonding.
With reference to figure 2, Fig. 2 is the structural representation of existing individual layer film touch-screen, comprising: contact panel A and the film D that is provided with the touch-control electrode.Wherein, described contact panel A and described film D are by cementing agent C bonding.
With reference to figure 3, Fig. 3 is the structural representation of existing double-deck film touch-screen, comprising: contact panel A, upper strata film F, the film E of lower floor.Wherein, upper strata film F and the film E of lower floor are provided with the touch-control electrode, and contact panel A, upper strata film F, the film E of lower floor by cementing agent C as shown in Figure 3 order bond.
Existing touch screen is that touch-control electrode function layer (being prepared with ito substrate or the film layer of touch-control electrode) and contact panel are made by the cementing agent applying, need separately preparation touch-control electrode function layer, and itself and contact panel fitted, complex manufacturing technology, and the thickness of touch-screen is larger.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of touch-screen and preparation method thereof, described technology for manufacturing touch screen is simple, thinner thickness.
For achieving the above object, the invention provides following technical scheme:
A kind of touch-screen, this touch-screen comprises:
Contact panel, described contact panel comprises: visible area; Be provided with the non-visible area of light tight insulation course;
Be arranged on the touch-control electrode on the described contact panel.
Preferably, in the above-mentioned touch-screen, described touch-control electrode comprises:
The first electrode along first direction;
The first electrode pattern extension line
The second electrode along second direction;
The second electrode pattern extension line
Wherein, described first direction is vertical with second direction; Described the first electrode and the second electrode are arranged on the visible area of described contact panel; Described the first electrode pattern extension line and the second electrode pattern extension line are positioned at the non-visible area of described contact panel; Described the first electrode and the second electrode insulation.
Preferably, in the above-mentioned touch-screen, described the first electrode and the second electrode are positioned at same plane layer or Different Plane layer.
Preferably, in the above-mentioned touch-screen, when described the first electrode and the second electrode were positioned at the Different Plane layer, described the first electrode self had been communicated with in the plane layer of place separately with the second electrode, and is provided with transparent insulating layer between described the first electrode and the second electrode.
Preferably, in the above-mentioned touch-screen, when described the first electrode and the second electrode were positioned at the same plane layer, described the first electrode self was communicated with in described plane layer; Described the second electrode is communicated with by the conductive bridge structure;
Wherein, described conductive bridge structure comprises: the conductive bridge layer; Be arranged on the insulation course between described conductive bridge layer and described the first electrode.
Preferably, in the above-mentioned touch-screen, the thickness of described contact panel is 0.40mm-1.10mm.
Preferably, in the above-mentioned touch-screen, the material of described contact panel is glass, or plastics, or flexible film.
The present invention also provides a kind of method for making of touch-screen, and the method comprises:
One contact panel is provided, and described contact panel comprises: visible area; Be provided with the non-visible area of light tight insulation course;
Upper formation touch-control electrode at described contact panel panel.
Preferably, in the said method, describedly form the touch-control electrode at described contact panel and comprise:
Form along the first electrode of first direction with along the second electrode of second direction at the visible area of described contact panel;
Non-visible area at described contact panel forms the first electrode pattern extension line and the second electrode pattern extension line;
Wherein, described first direction is vertical with second direction, described the first electrode and the second electrode insulation.
Preferably, in the said method, it is characterized in that, when described the first electrode and described the second electrode are positioned at the same plane layer:
Form the ITO layer in described contact panel one side;
Described ITO layer is carried out etching obtain described the first electrode, the first electrode pattern extension line, the second electrode and the second electrode pattern extension line, wherein, described the first electrode is communicated with along described first direction in described plane layer, described the second electrode is intervally arranged in second direction as the boundary take coconnected the first electrode of first direction, is not communicated with;
Form the conductive bridge structure on the surface of described the first electrode, will be communicated with along the electrode pattern of the second electrode of second direction, wherein, described conductive bridge structure comprises: the conductive bridge layer; Be arranged on the transparent insulating layer between described conductive bridge layer and described the first electrode.
Preferably, in the said method, when described the first electrode and described the second electrode are positioned at the Different Plane layer:
Form an ITO layer in described contact panel one side;
A described ITO layer is carried out etching obtain the first electrode and the first electrode pattern extension line, described the first electrode is communicated with at first direction;
The surface of the ITO layer after etching forms transparent insulating layer;
Form the 2nd ITO layer on the surface of described transparent insulating layer;
Described the 2nd ITO layer is carried out etching obtain the second electrode and the second electrode pattern extension line, the electrode pattern of described the second electrode is communicated with in second direction.
Can find out that from technique scheme touch-screen provided by the present invention comprises: transparent touch-control panel, described contact panel comprises: visible area; Be provided with the non-visible area of light tight insulation course; Be arranged on the touch-control electrode on the described transparent touch-control panel.The described touch-screen of the application directly is made in the touch-control electrode on the contact panel, with respect to prior art, has structurally reduced one deck touch-control cementing agent, has reduced simultaneously one deck ito substrate or the film, thinner thickness; On method for making, directly form the touch-control electrode at described contact panel, reduced the attaching process of one deck touch-control electrode function layer and contact panel, simplified manufacture craft.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of existing glass structure touch-screen;
Fig. 2 is the structural representation of existing individual layer film touch-screen;
Fig. 3 is the structural representation of existing double-deck film touch-screen;
The structural representation of a kind of touch-screen that Fig. 4 provides for the embodiment of the invention;
The vertical view of the electrode pattern of a kind of touch-screen that Fig. 5 provides for the embodiment of the invention;
The structural representation of a kind of electrode bridge joint mode that Fig. 6 provides for the embodiment of the invention;
The structural representation of a kind of touch screen base plate that Fig. 7 provides for the embodiment of the invention;
A kind of vertical view that is provided with the substrate of touch-control electrode pattern that Fig. 8 provides for the embodiment of the invention;
A kind of annexation synoptic diagram that touches with printed-wiring board (PWB) that Fig. 9 provides for the embodiment of the invention.
Embodiment
Just as described in the background section, existing touch screen is that touch-control electrode function layer (being prepared with ito substrate or the film layer of touch-control electrode) and contact panel are made by the cementing agent applying, need separately preparation touch-control electrode function layer, and itself and contact panel fitted, complex manufacturing technology, and the thickness of touch-screen is larger.
The inventor studies discovery, can directly form the touch-control electrode at contact panel, with respect to prior art, has structurally reduced one deck touch-control cementing agent, has reduced simultaneously one deck ito substrate or the film, thinner thickness; On method for making, directly form the touch-control electrode at described contact panel, reduced the attaching process of one deck touch-control electrode function layer and contact panel, simplified manufacture craft.
Based on above-mentioned research, the invention provides a kind of touch-screen, this touch-screen comprises: contact panel, described contact panel comprises: visible area; Be provided with the non-visible area of light tight insulation course; Be arranged on the touch-control electrode on the described contact panel.
The described touch-screen of the application directly is made in the touch-control electrode on the contact panel, with respect to prior art, has structurally reduced one deck touch-control cementing agent, has reduced simultaneously one deck ito substrate or the film, thinner thickness; On method for making, directly form the touch-control electrode at described contact panel, reduced the attaching process of touch-control electrode function layer and contact panel, simplified manufacture craft.
It more than is the application's core concept, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization in the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with synoptic diagram, when the embodiment of the invention is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local the amplification, and described synoptic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that in actual fabrication, should comprise in addition, length, width and height.
The embodiment of the present application provides a kind of touch-screen, with reference to figure 4, comprising: contact panel 1 and the touch-control electrode 2 that is arranged on described contact panel 1 surface.Described contact panel comprises: visible area and the non-visible area that surrounds described visible area.Wherein, can form described visible area and non-visible area by around described touch panel, the light tight insulation course of one deck being set.
With reference to figure 5, above-mentioned contact panel 1 comprises: visible area 3 and non-visible area 4.Described touch-control electrode 2 comprises: along the first electrode 5 of first direction, the first electrode pattern extension line 6, along the second electrode 7 and the second electrode pattern extension line 8 of second direction.Preferably, the thickness of described contact panel 1 is 0.40mm-1.10mm, can be prepared by materials such as glass or PMMA.
Wherein, described first direction is vertical with second direction, described the first electrode 5 and the second electrode 7 are positioned at the visible area 3 of described contact panel 1, described the first electrode pattern extension line 6 and the second electrode pattern extension line 8 are positioned at the non-visible area 4 of described contact panel 1, insulation between described the first electrode 5 and the second electrode 7.
The number of the number of described the first electrode 5 and the second electrode 7 can be set according to product specification.Electrode pattern shown in Fig. 5 only shows first electrode and second electrode for the ease of diagram, can set according to demand the first electrode and many parallel arrangement the second electrodes of many parallel arrangements.Each strip electrode all has separately electrode pattern extension line separately.
Described the first electrode 5 and the second electrode 7 can be positioned at the same plane layer, also can be positioned at the Different Plane layer.
If described the first electrode 5 and the second electrode 7 are positioned at the Different Plane layer, described the first electrode 5 and the second electrode 7 are communicated with in the plane layer at place separately, and between described the first electrode and the second electrode, transparent insulating layer are set so that the two insulation.At this moment, can be first form the first electrode at the visible area of described control panel, then form a transparent insulating layer at described the first electrode surface, form the second electrode at described transparent insulating layer again.Also can be first form the second electrode at the visible area of described contact panel, form transparent insulating layer at described the second electrode surface again, form the first electrode at described transparent insulating layer.
With reference to figure 6, if described the first electrode 5 and the second electrode 7 are positioned at the same plane layer, at this moment, can form electrode pattern at the visible area of described contact panel, described electrode pattern comprises: along the first electrode 5 of first direction, in described plane layer, described the first electrode 5 is in upper self connection of first direction (vertical among Fig. 6); The second electrode 7 along second direction (horizontal among Fig. 6).Wherein, in described plane layer, the electrode pattern of described the second electrode 7 is spaced apart in second direction.
At this moment, can form the conductive bridge structure on described electrode pattern surface and be communicated with described the second electrode 7.Described conductive bridge structure comprises: conducting bridge stratum 10, and described conducting bridge stratum 10 is communicated with the second electrode 7 on second direction; Insulation course 9, described insulation course 9 are arranged between described plane layer (described the first electrode and plane, the second electrode place) and the described conducting bridge stratum 10, to guarantee described the first electrode and the second electrode insulation.
Described touch-screen also comprises: be arranged on the transparent insulation overlayer of described touch-control electrode surface, described transparent insulation overlayer covers whole visible area and non-visible area, for the protection of described touch-control electrode; Be arranged on the light tight insulating cover of described transparent insulation cover surface, described light tight insulating cover only covers the whole non-visual or non-visible area of part.Described light tight insulating cover is arranged on the housing of contact panel, is used for hiding the first electrode pattern extension line and the second electrode pattern extension line.
Above-mentioned touch-screen directly is made in the touch-control electrode surface of contact panel, namely direct front or the visible area at the back side at described contact panel forms the touch-control electrode, with respect to prior art, structurally reduced one deck touch-control cementing agent, one deck ito substrate or the film have been reduced simultaneously, thinner thickness, and reduced production cost; On method for making, directly form the touch-control electrode at described contact panel, reduced the attaching process of one deck touch-control electrode function layer and contact panel, simplified manufacture craft.
The embodiment of the present application also provides a kind of method for making of touch-screen, and described method comprises:
Step S1 a: contact panel is provided.
With reference to figure 7, in order to enhance productivity, generally a large-sized substrate 1 ' on once property form a plurality of above-mentioned contact panels.
Preferably, the material of described contact panel can be glass, or plastics, or the transparent material such as flexible film.Described plastics comprise PMMA(polymethylmethacrylate), described flexible film can be PET(Polyethylene terephthalate).
Then at described substrate 1 ' have the light tight insulation course of setting patterning in described substrate 1 ' surface (front or the back side) preparation by spin coating proceeding or silk-screen printing technique, and then form a plurality of contact panel figures.Described light tight thickness of insulating layer is 1 μ m-10 μ m.
Substrate shown in Fig. 71 ' show 8 contact panels, each contact panel comprises: be coated with the non-visible area 4 and the visible area 3 that do not see through insulation course.
Step S2: at the upper formation touch-control electrode of described contact panel.
Form along the first electrode of first direction with along the second electrode of second direction at the visible area of described contact panel, form the first electrode pattern extension line and the second electrode pattern extension line at the non-visible area of stating contact panel.
Wherein, described first direction is vertical with second direction, described the first electrode and the second electrode insulation.
Then form the transparent insulation overlayer at described touch-control electrode surface, for the protection of electrode pattern.Form again the nontransparent insulating cover of square frame-shaped at the tectal non-visible area of described transparent insulation, the first electrode pattern extension line and the second electrode pattern extension line are hidden, beautify outward appearance.
Described the first electrode and the second electrode can be arranged on the same plane layer, also the two can be arranged on the Different Plane layer.
When described the first electrode and described the second electrode were positioned at the same plane layer, making step comprised: form the ITO layer in described contact panel one side; Described ITO layer is carried out etching obtain described the first electrode, the first electrode pattern extension line, the second electrode and the second electrode pattern extension line, wherein, described the first electrode is communicated with along described first direction in described plane layer, described the second electrode is intervally arranged in second direction as the boundary take coconnected the first electrode of first direction, is not communicated with; Form the conductive bridge structure on the surface of described the first electrode, will be communicated with along the electrode pattern of the second electrode of second direction.
Wherein, described conductive bridge structure can referring to Fig. 6, comprise: the conductive bridge layer; Be arranged on the transparent insulating layer between described conductive bridge layer and described the first electrode.
Preferably, described ITO layer thickness is 100nm-300nm, and coating temperature is 150 ℃-350 ℃.
Described conductive bridge layer preparation temperature is 150 ℃-350 ℃, and its material is MoAlMo or ITO, if adopt MoAlMo to prepare the conductive bridge layer, thickness is 250nm-350nm, if adopt ITO to prepare the conductive bridge layer, thickness is 100nm-300nm.
When described the first electrode and described the second electrode are positioned at the Different Plane layer: form an ITO layer on described contact panel surface; A described ITO layer is carried out etching obtain the first electrode and the first electrode pattern extension line, described the first electrode is communicated with at first direction; The surface of the ITO layer after etching forms transparent insulating layer; Form the 2nd ITO layer on the surface of described transparent insulating layer; Described the 2nd ITO layer is carried out etching obtain the second electrode and the second electrode pattern extension line, the electrode pattern of described the second electrode is communicated with in second direction.
Preferably, a described ITO layer thickness is 100nm-300nm, and coating temperature is 150 ℃-350 ℃.Can prepare described transparent insulating layer by spin coating proceeding, described transparent insulation layer thickness is 1 μ m-5 μ m.Described the 2nd ITO layer 10nm-30nm, preparation temperature are 200 ℃-300 ℃.
With reference to figure 8, in order to enhance productivity, generally be at first to adopt substrate 1 shown in Figure 7 ' prepare the simultaneously touch-control electrode of a plurality of touch screens, namely substrate shown in Fig. 71 ' in the surface of each contact panel form simultaneously the first electrode 5, the first electrode pattern extension line 6, the second electrode 7 and the second electrode pattern extension line 8 of each contact panel.
Then; form the transparent insulation overlayer touch-control electrode of each contact panel is protected on the above-mentioned substrate 1 that is formed with the touch-control electrode ' surface; form light tight insulating cover at described transparent insulation overlayer again; described light tight insulating cover covers the non-visible area 4 of each contact panel or covers the non-visible area of part of each contact panel, to hide the first electrode pattern extension line 6 and the second electrode pattern extension line 8 of the non-visible area of each contact panel.Cut at last described substrate 1 ', each touch-screen after the cutting is carried out edge treated, such as polishing or hf etching, can a plurality of touch-screens of one time to produce.
Wherein, can prepare described transparent insulation overlayer by spin coating proceeding, thickness is 1 μ m-5 μ m.If adopt the magnetron sputtering mode to prepare described transparent insulation overlayer by silicon dioxide, its one-tenth-value thickness 1/10 should be arranged on 50nm-100nm.
With reference to figure 9, the touch-screen for preparing is connected with printed-wiring board (PWB) 12 by conductive adhesive tape 11, by the control realization touch function of integrated circuit.The number of electrode pattern extension line in the touch-control electrode 2 (the first electrode pattern extension line and the second electrode pattern extension line) and the extension line of described printed-wiring board (PWB) 12 are complementary, and number is identical.
By foregoing description as can be known, the method for making of the described touch-screen of the application directly forms the touch-control electrode on the contact panel surface, has reduced the use of a laminar substrate (ito substrate or the film) and cementing agent, has reduced touch thickness and production cost; And avoided attaching process, thus avoided since applying precision etc. on the impact of touch-screen quality.
Need to prove that electrode and other functional structures that the described touch-screen of the application is positioned at visible area all are transparent material preparations; Itself please described technical scheme be the method for making of a kind of touch-screen and described touch-screen, and touch screen structure embodiment and method for making embodiment can remark additionally mutually; The touch face position of described touch-screen does not form the face of touch-control electrode.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a touch-screen is characterized in that, comprising:
Contact panel, described contact panel comprises: visible area; Be provided with the non-visible area of light tight insulation course;
Be arranged on the touch-control electrode on the described contact panel.
2. touch-screen according to claim 1 is characterized in that, described touch-control electrode comprises:
The first electrode along first direction;
The first electrode pattern extension line
The second electrode along second direction;
The second electrode pattern extension line
Wherein, described first direction is vertical with second direction; Described the first electrode and the second electrode are arranged on the visible area of described contact panel; Described the first electrode pattern extension line and the second electrode pattern extension line are positioned at the non-visible area of described contact panel; Described the first electrode and the second electrode insulation.
3. touch-screen according to claim 2 is characterized in that, described the first electrode and the second electrode are positioned at same plane layer or Different Plane layer.
4. touch-screen according to claim 3, it is characterized in that, when described the first electrode and the second electrode were positioned at the Different Plane layer, described the first electrode self had been communicated with in the plane layer of place separately with the second electrode, and is provided with transparent insulating layer between described the first electrode and the second electrode.
5. touch-screen according to claim 3 is characterized in that, when described the first electrode and the second electrode were positioned at the same plane layer, described the first electrode self was communicated with in described plane layer; Described the second electrode is communicated with by the conductive bridge structure;
Wherein, described conductive bridge structure comprises: the conductive bridge layer; Be arranged on the insulation course between described conductive bridge layer and described the first electrode.
6. touch-screen according to claim 1 is characterized in that, the thickness of described contact panel is 0.40mm-1.10mm.
7. touch-screen according to claim 1 is characterized in that, the material of described contact panel is glass, or plastics, or flexible film.
8. a touch-screen method for making is characterized in that, comprising:
One contact panel is provided, and described contact panel comprises: visible area; Be provided with the non-visible area of light tight insulation course;
Form the touch-control electrode at described contact panel.
9. touch-screen according to claim 8 is characterized in that, describedly forms the touch-control electrode at described contact panel and comprises:
Form along the first electrode of first direction with along the second electrode of second direction at the visible area of described contact panel;
Non-visible area at described contact panel forms the first electrode pattern extension line and the second electrode pattern extension line;
Wherein, described first direction is vertical with second direction, described the first electrode and the second electrode insulation.
10. touch-screen according to claim 9 is characterized in that, when described the first electrode and described the second electrode are positioned at the same plane layer:
Form the ITO layer in described contact panel one side;
Described ITO layer is carried out etching obtain described the first electrode, the first electrode pattern extension line, the second electrode and the second electrode pattern extension line, wherein, described the first electrode is communicated with along described first direction in described plane layer, described the second electrode is intervally arranged in second direction as the boundary take coconnected the first electrode of first direction, is not communicated with;
Form the conductive bridge structure on the surface of described the first electrode, will be communicated with along the electrode pattern of the second electrode of second direction, wherein, described conductive bridge structure comprises: the conductive bridge layer; Be arranged on the transparent insulating layer between described conductive bridge layer and described the first electrode.
11. touch-screen according to claim 9 is characterized in that, when described the first electrode and described the second electrode are positioned at the Different Plane layer:
Form an ITO layer in described contact panel one side;
A described ITO layer is carried out etching obtain the first electrode and the first electrode pattern extension line, described the first electrode is communicated with at first direction;
The surface of the ITO layer after etching forms transparent insulating layer;
Form the 2nd ITO layer on the surface of described transparent insulating layer;
Described the 2nd ITO layer is carried out etching obtain the second electrode and the second electrode pattern extension line, the electrode pattern of described the second electrode is communicated with in second direction.
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| CN2012105108920A CN102968216A (en) | 2012-11-30 | 2012-11-30 | Touch screen and manufacturing method thereof |
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| CN2012105108920A CN102968216A (en) | 2012-11-30 | 2012-11-30 | Touch screen and manufacturing method thereof |
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| CN104750294A (en) * | 2013-12-31 | 2015-07-01 | 比亚迪股份有限公司 | Touch screen, manufacturing method of touch screen and touch device comprising touch screen |
| CN108776561A (en) * | 2018-09-14 | 2018-11-09 | 无锡市科虹标牌有限公司 | Circuit and manufacture craft in a kind of decoration panel transparent window |
| CN109002210A (en) * | 2018-07-16 | 2018-12-14 | 信利光电股份有限公司 | A kind of touch screen and electronic equipment |
| CN114153340A (en) * | 2021-12-29 | 2022-03-08 | 芜湖长信科技股份有限公司 | Touch screen wiring structure |
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Address after: 516600 Guangdong Industrial Zone, Shanwei City Road, Lee Lee Industrial City, a district of the building fifteenth Applicant after: Truly Opto-Electronics Ltd. Address before: 516600 Shanwei City Industrial Zone, Guangdong City Avenue, Lee Lee Industrial City, a district, building fifteenth Applicant before: Truly Semiconductors (Shanwei) Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: TRULY OPTO-ELECTRONICS LIMITED TO: TRULY OPTO-ELECTRONICS LTD. |
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Application publication date: 20130313 |