CN210052139U - Touch screen and electronic equipment - Google Patents
Touch screen and electronic equipment Download PDFInfo
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- CN210052139U CN210052139U CN201920878429.9U CN201920878429U CN210052139U CN 210052139 U CN210052139 U CN 210052139U CN 201920878429 U CN201920878429 U CN 201920878429U CN 210052139 U CN210052139 U CN 210052139U
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Abstract
The utility model relates to a touch-sensitive screen and electronic equipment, this touch-sensitive screen includes: the cover plate, the first conducting layer and the substrate are sequentially stacked; the second conducting layer is arranged between the first conducting layer and the substrate or on the surface of the substrate far away from the first conducting layer and is used for forming a capacitance contact with the first conducting layer; wherein, one of the first conducting layer and the second conducting layer is an ITO layer, and the other one is a metal grid layer; and the shielding layer is arranged on the surface of the metal grid layer close to the cover plate and used for reducing the light reflection rate of the metal grid layer. The utility model provides a touch-sensitive screen adopts ITO-metal grid composite construction's touch-sensitive screen, has reduced touch-sensitive screen's manufacturing cost. Meanwhile, a shielding layer is arranged between the metal grid layer and the cover plate to shield the metal grid layer, so that reflection of the metal grid layer is reduced, the metal grid is not easy to find, and the display effect of the touch screen is improved.
Description
Technical Field
The utility model relates to a touch-control field especially relates to a touch-sensitive screen and electronic equipment.
Background
The touch screen is input equipment for remarkably improving a man-machine operation interface, and is widely applied to electronic products such as smart phones and tablet computers. At present, a double-ITO (ITO is an abbreviation of Indium tin oxide, and the name of the Chinese character is Indium tin oxide) structure is mostly adopted for the touch screen, but the cost of the ITO material is high, so that the cost of the touch screen is increased, and the development of the touch screen is limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides a touch-sensitive screen and electronic equipment aims at solving current touch-sensitive screen problem with high costs.
A touch screen, comprising: the cover plate, the first conducting layer and the substrate are sequentially stacked; the second conducting layer is arranged between the first conducting layer and the substrate or on the surface of the substrate far away from the first conducting layer and is used for forming a capacitance contact with the first conducting layer; wherein, one of the first conducting layer and the second conducting layer is an ITO layer, and the other one is a metal grid layer; and the shielding layer is arranged on the surface of the metal grid layer close to the cover plate and used for reducing the light reflection rate of the metal grid layer.
The utility model provides a touch-sensitive screen adopts ITO-metal grid composite construction's touch-sensitive screen, has reduced touch-sensitive screen's manufacturing cost, has avoided the influence of double-deck metal grid to the transmittance again. Meanwhile, a shielding layer is arranged between the metal grid layer and the cover plate to shield the metal grid layer, so that reflection of the metal grid layer is reduced, the metal grid is not easy to find, and the display effect of the touch screen is improved.
Further, the light reflection rate of the shielding layer is lower than that of the metal mesh layer; when the second conducting layer is a metal grid layer, the shielding layer is arranged between the metal grid layer and the substrate; when the first conducting layer is a metal grid layer, the shielding layer is arranged between the metal grids and the cover plate. The shielding layer is in contact with the metal grid layer, so that the shielding layer and the metal grid layer can be simultaneously prepared by utilizing the same process, the production is convenient, and the shielding effect on the metal grid layer is better.
Furthermore, the shielding layer is a grid layer, and the grid structure of the shielding layer overlaps with the grid structure of the metal grid layer, so that shielding of the shielding layer on the substrate 4 can be reduced, influence of the shielding layer on light transmission is reduced, and the display effect of the touch screen is improved.
Furthermore, the shielding layer is a black shielding layer, so that the touch screen is more beneficial to being integrally black under the touch screen state.
Furthermore, the line width of the metal grid layer is less than or equal to 3um, so that the metal grid layer is not easy to see. And/or the metal grid layer is a copper layer or a silver layer. And/or the substrate 4 is a glass plate, a PET plate, a COP plate or a PI plate.
Furthermore, the first conducting layer is formed on the cover plate, the second conducting layer is formed on the substrate, and the two conducting layers are respectively formed on different base materials, so that interference generated in the preparation process of the two conducting layers can be reduced, the preparation effect of the conducting layers is improved, and the performance of the touch screen is further improved.
Further, the second conducting layer is arranged on the surface, far away from the first conducting layer, of the substrate; the touch screen further comprises a protective layer, the protective layer is arranged on the surface of the substrate, away from the second conducting layer, so that the second conducting layer can be prevented from being scraped and touched, and the touch effect is improved.
Further, the touch screen further includes: the ink layer is arranged on the second surface of the cover plate and surrounds the outer side of the first conductive layer to form a non-visible area; the reflection rate of the reflection increasing layer is larger than that of the ink layer, so that the display effect of the non-visual area is the same as that of the visual area, and the purpose that the visual area and the non-visual area are integrated black when the screen is turned on is achieved.
Furthermore, the material of the reflection increasing layer is niobium pentoxide, aluminum oxide, cerium oxide or magnesium oxide.
Further, the metal grid layer is a copper layer or a silver layer.
The utility model also provides an electronic equipment, electronic equipment includes: a display module; the touch screen is connected with the display module, and the touch screen is as described in any one of the above.
Drawings
Fig. 1 is a schematic diagram of a stacking structure of a touch screen provided by the present invention;
fig. 2 is the utility model provides a touch-sensitive screen and display module assembly complex stacked structure sketch map.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, in an embodiment provided by the present invention, the touch screen 100 includes: the cover plate comprises a cover plate 1, a first conducting layer 2, an optical adhesive layer 3, a substrate 4 and a second conducting layer 5 which are arranged in sequence. A capacitive contact is formed between the first conductive layer 2 and the second conductive layer 5 to detect a touch position of a user, wherein the first conductive layer 2 is an ITO layer 20, and the second conductive layer 5 is a metal mesh layer, that is, in this embodiment, the existing touch screen with a double ITO structure is changed into a touch screen with an ITO-metal mesh composite structure, thereby reducing the production cost of the touch screen 100.
In the present embodiment, the cover plate 1 may be a glass plate, a PET plate (PET is an abbreviation for Polyethylene terephthalate, and is referred to as Polyethylene terephthalate) or the like, and the substrate 4 may be a transparent plate such as a glass plate, a PET plate, a COP plate, and a PI (PI is an abbreviation for Polyimide, and is referred to as Polyimide) plate.
In this embodiment, the metal mesh patterns of the metal mesh layer may be rectangles, squares, diamonds, hexagons or other multi-deformation patterns, the equivalent diameter of the meshes of the metal mesh is 200 to 400 micrometers, and the line width of the metal mesh is less than or equal to 3 micrometers, so as to improve the display effect of the touch screen 100.
As shown in fig. 1, in this embodiment, the touch screen 100 further includes a shielding layer 6, a light reflection rate of the shielding layer 6 is lower than that of the metal mesh layer 50, and the shielding layer is disposed on a surface of the metal mesh layer 50 close to the cover plate 1 and is used for shielding the metal mesh layer 50 to reduce reflection of the metal mesh layer 50, so that the metal mesh layer 50 is not easy to be found, and a display effect of the touch screen 100 is improved. Specifically, in the present embodiment, since the second conductive layer 5 is a metal mesh layer and the metal mesh layer is disposed on the surface of the substrate 4 away from the cover plate 1, the shielding layer 6 may be disposed between the metal mesh layer 50 and the substrate 4. It is understood that when the first conductive layer 2 is a metal mesh layer, the shielding layer 6 is disposed between the metal mesh and the cover plate 1.
In this embodiment, the shielding layer 6 is also a mesh layer, wherein the mesh lines of the shielding layer 6 are matched with the mesh lines of the metal mesh layer in shape and size, and the mesh lines and the metal mesh layer are overlapped together, so that the shielding of the substrate 4 by the shielding layer 6 can be reduced, and the display effect of the touch screen is improved.
In this embodiment, the shielding layer 6 is made of a molybdenum nitride material, the molybdenum nitride may be disposed on the substrate 4 by vacuum evaporation, magnetron reactive sputtering, or the like, then a metal layer (for example, a copper layer, a silver layer, or the like, may be disposed on the molybdenum nitride layer by vacuum evaporation, magnetron reactive sputtering, or the like) is disposed on the molybdenum nitride layer, and finally, the grid of the shielding layer 6 and the metal grid layer 50 are formed by a yellow light process. It is understood that in other embodiments provided by the present invention, the shielding layer 6 may also be a black shielding layer formed by black ink or the like.
In this embodiment, the cover plate 1 includes a first surface 11 and a second surface 12 that are disposed opposite to each other, the first surface 11 of the cover plate 1 is a touch surface for a user to touch, the ITO layer 20 is disposed on the second surface 12 of the cover plate 1, and the ITO layer 20 may be formed on the second surface 12 of the cover plate 1 by a yellow light process or the like. The substrate 4 also has a first surface and a second surface which are opposite to each other, and the metal mesh layer 50 may be formed on the second surface of the substrate 4 by a yellow light process or the like. The optical adhesive layer 3 is disposed between the second surface of the cover plate 1 and the first surface of the substrate 4, and is used for connecting the first surface of the substrate 4 (the first surface of the substrate 4 is a surface of the substrate 4 away from the metal mesh layer 50) and the second surface of the cover plate 1 together, so that a capacitive contact is formed between the ITO layer 20 and the metal mesh layer 50.
As can be seen from the above, in the present embodiment, the two conductive layers are respectively formed on different substrates 4, and compared to the conventional design (in the conventional touch screen 100, the two ITO layers 20 are usually disposed on the same substrate 4, when performing the yellow light process on the second ITO layer 20, ultraviolet rays may pass through the substrate 4, damage the prepared first ITO layer 20, and thus reduce the performance of the touch screen 100), the present embodiment can improve the performance of the touch screen 100.
Of course, in other embodiments, the ITO layer 20 and the metal mesh layer 50 may be both disposed on the substrate 4, that is, the ITO layer 20 is disposed on the first surface of the substrate 4, and the metal mesh layer 50 is disposed on the second surface of the substrate 4, or the ITO layer 20 is disposed on the second surface of the substrate 4, and the metal mesh layer 50 is disposed on the first surface of the substrate 4.
In addition, in other embodiments, the metal mesh layer 50 may also be formed by imprinting, that is, glue is coated on the substrate 4 (the glue is not conductive), then a mold is used to imprint a groove on the glue layer, and finally, metal is filled into the groove, so as to form the metal mesh layer 50.
As shown in fig. 1, in the present embodiment, the touch screen 100 further includes a protection layer 7, where the protection layer 7 may be made of photoresist, and is disposed on a surface of the metal mesh layer away from the substrate 4 for protecting the metal mesh layer 50 and preventing the metal mesh layer 50 from being scratched.
As shown in fig. 1, in the present embodiment, the touch screen 100 further includes an ink layer 8 and a reflection-increasing layer 9. The ink layer 8 is made of black ink, is arranged on the second surface of the cover plate 1 and surrounds the outer side of the ITO layer 20 to form a non-visible area, and the non-visible area is in a shape like a Chinese character 'hui', and surrounds to form a visible area. In this embodiment, the second surface of the cover plate 1 is further provided with an electrode lead connected to the ITO layer 20, the electrode lead is used for leading out an electrical signal generated by the ITO layer 20, and the ink layer 8 is disposed between the electrode lead and the cover plate 1 and used for shielding the electrode lead.
The reflection increasing layer 9 is arranged between the ink layer 8 and the cover plate 1 (namely, the reflection increasing layer 9 is arranged on the second surface of the cover plate 1, the ink layer 8 is arranged on the surface of the reflection increasing film far away from the cover plate 1), the reflection rate of the reflection increasing layer 9 is greater than that of the ink layer 8, and further the reflection capacity of the non-visible area is increased, so that the display effect of the non-visible area is the same as that of the visible area (the existing touch screen 100 is in a screen-viewing state, the reflection rate of the visible area is greater, the visual effect of the touch screen is much brighter than that of the non-visible area, and the display effect of the visible area is different from that of the non-visible area), and therefore, the purpose of integral black of the visible area and the non-. In this embodiment, the material of the reflection increasing layer 9 may be niobium pentoxide, aluminum oxide, cerium oxide, magnesium oxide, or the like.
In practical use, the ITO layer 20 may be used as a sending layer of a touch signal, and the metal mesh layer 50 is used as a receiving layer of the touch signal; alternatively, the ITO layer 20 may serve as a receiving layer of the touch signal, and the metal mesh layer 50 serves as a transmitting layer of the touch signal.
In other embodiments provided by the present invention, the second conductive layer 5 may also be disposed between the first conductive layer 2 and the substrate 4, and at this time, the two conductive layers are sandwiched between the cover plate 1 and the substrate 4, and the two conductive layers can be protected by the cover plate 1 and the substrate 4, i.e., at this time, the protective layer 7 is not required to be disposed as in the above embodiments.
In addition, in the present invention, the shielding layer 6 is mainly used to shield the metal mesh layer, so that the shielding layer 6 is only required to be disposed between the cover plate 1 and the metal mesh layer 50. For example, in other embodiments provided by the present invention (in which the second conductive layer is a metal mesh layer), the shielding layer 6 may be disposed between the ITO layer 20 and the cover plate 1, or disposed on the surface of the metal mesh layer 50 away from the substrate.
In addition, in each of the above embodiments, the first conductive layer 2 is the ITO layer 20, and the second conductive layer 5 is the metal mesh layer, and it can be understood that, in the other embodiments provided by the present invention, the first conductive layer 2 may also be the metal mesh layer, and the second conductive layer 5 may also be the ITO layer 20.
As shown in fig. 2, the utility model also provides an electronic equipment, this electronic equipment can be smart mobile phone, panel computer etc. and electronic equipment includes display module assembly 200 to and touch-sensitive screen 100 as any one of the above embodiments, wherein, display module assembly 200 sets up the second surface at base plate 4. The display module 200 may be an LCM display module, an OLED display module, etc.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A touch screen, comprising:
the cover plate, the first conducting layer and the substrate are sequentially stacked;
the second conducting layer is arranged between the first conducting layer and the substrate or on the surface of the substrate far away from the first conducting layer and is used for forming a capacitance contact with the first conducting layer; wherein, one of the first conducting layer and the second conducting layer is an ITO layer, and the other one is a metal grid layer;
and the shielding layer is arranged on the surface of the metal grid layer close to the cover plate and used for reducing the light reflection rate of the metal grid layer.
2. The touch screen of claim 1, wherein the shielding layer has a lower light reflectivity than the metal mesh layer; when the second conducting layer is a metal grid layer, the shielding layer is arranged between the metal grid layer and the substrate; when the first conducting layer is a metal grid layer, the shielding layer is arranged between the metal grids and the cover plate.
3. The touch screen of claim 2, wherein the shielding layer is a mesh layer, and wherein the mesh lines of the shielding layer overlap with the mesh lines of the metal mesh layer.
4. The touch screen of claim 2, wherein the blocking layer is a black blocking layer.
5. The touch screen of claim 1, wherein the grid line width of the metal grid layer is less than or equal to 3 um; and/or
The metal grid layer is a copper layer or a silver layer; and/or
The substrate is a glass plate, a PET plate, a COP plate or a PI plate.
6. The touch screen of claim 1, wherein the first conductive layer is formed on the cover plate and the second conductive layer is formed on the substrate.
7. The touch screen of claim 1, wherein the metal mesh layer is made by a yellow light process; or the metal mesh layer is made by embossing.
8. The touch screen of claim 1, wherein the second conductive layer is provided with a surface of the substrate remote from the first conductive layer;
the touch screen further comprises a protective layer, and the protective layer is arranged on the surface, far away from the substrate, of the second conducting layer.
9. The touch screen of claim 1, further comprising:
the ink layer is arranged on the surface, used for being connected with the first conducting layer, of the cover plate and surrounds the outer side of the first conducting layer to form a non-visible area;
and the reflection increasing layer is arranged between the cover plate and the ink layer, wherein the reflection rate of the reflection increasing layer is greater than that of the ink layer, so that the display effect of the non-visible area is the same as that of the visible area.
10. An electronic device, characterized in that the electronic device comprises:
a display module;
a touch screen connected to the display module, the touch screen being as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878429.9U CN210052139U (en) | 2019-06-12 | 2019-06-12 | Touch screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878429.9U CN210052139U (en) | 2019-06-12 | 2019-06-12 | Touch screen and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210052139U true CN210052139U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920878429.9U Active CN210052139U (en) | 2019-06-12 | 2019-06-12 | Touch screen and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN210052139U (en) |
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2019
- 2019-06-12 CN CN201920878429.9U patent/CN210052139U/en active Active
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Effective date of registration: 20210420 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang Province Economic and Technological Development Zone HUANGJIAHU Road Patentee before: Nanchang OFilm Tech. Co.,Ltd. |