CN215068166U - Touch sensor and electronic equipment - Google Patents
Touch sensor and electronic equipment Download PDFInfo
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- CN215068166U CN215068166U CN202120545195.3U CN202120545195U CN215068166U CN 215068166 U CN215068166 U CN 215068166U CN 202120545195 U CN202120545195 U CN 202120545195U CN 215068166 U CN215068166 U CN 215068166U
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- 238000009792 diffusion process Methods 0.000 claims abstract description 151
- 239000000758 substrate Substances 0.000 claims abstract description 47
- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims description 5
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 242
- 239000002245 particle Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 16
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 7
- 239000002356 single layer Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- -1 Polyethylene terephthalate Polymers 0.000 description 3
- 239000002355 dual-layer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
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Abstract
The utility model relates to an electronic equipment field discloses a touch sensor and electronic equipment, touch sensor, include: a substrate; a first diffusion layer formed on the substrate; the first optical layer is formed on one side, away from the substrate, of the first diffusion layer; the first electrode layer is formed on one side, away from the first diffusion layer, of the first optical layer; and the second electrode layer is formed on one side of the first electrode layer, which is far away from the first optical layer. The touch sensor has the diffusion characteristic, and the uniformity of an electronic product can be further improved after the touch sensor is applied to electronic equipment.
Description
Technical Field
The utility model relates to an electronic equipment technical field, in particular to touch sensor and electronic equipment.
Background
The touch sensors are all made of optical materials, the transmittance is more than 90%, the haze is less than 1%, the touch sensors used at present have no diffusion effect, and an electrode layer is plated on a base material to form a circuit. In order to achieve better optical effect of the display device and make the display device look more optically uniform, the prior art has several ways:
firstly, as shown in fig. 1, a diffusion layer 02 is added on the polarizer 01, so that the polarizer 01 has a diffusion effect, i.e., AG (fogging) treatment, which affects the brightness of the display device;
in the second mode, as shown in fig. 2, the LED03 side emits light to provide the light guide plate 04 with improved luminance, and the backlight uniformity is made to be 85% or more, so that the backlight effect is as good as possible. The diffusion film 05 is added in the backlight source, the diffusion film is used for achieving the product uniformity, the diffusion effect is general, the cost is high, and the loss is caused to the brightness;
third, as shown in fig. 3, a diffusion film or a diffusion plate 07 is added between the backlight 06 and the LCD to diffuse the point light sources into a surface light source, and the diffusion plate (film) is used to improve the uniformity of the product, which is similar to the second embodiment, and therefore, the cost is high and the luminance is lost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a touch sensor and electronic equipment for improve the diffusion effect.
In order to achieve the above purpose, the utility model provides the following technical scheme:
in a first aspect, the present invention provides a touch sensor, including:
a substrate;
a first diffusion layer formed on the substrate;
the first optical layer is formed on one side, away from the substrate, of the first diffusion layer;
the first electrode layer is formed on one side, away from the first diffusion layer, of the first optical layer;
and the second electrode layer is formed on one side of the first electrode layer, which is far away from the first optical layer.
In the touch sensor, the substrate is an optical base material, and may be specifically PET (Polyethylene terephthalate), COP (Polyethylene terephthalate), glass, or the like. The first diffusion layer is formed on the substrate by adopting a coating process, and the first optical layer can be used for flattening the first diffusion layer, so that the coating of the first electrode layer is facilitated. Therefore, the diffusion layer is arranged in the sensor, so that the diffusion effect can be achieved under the condition of meeting the optical requirement of the touch sensor; the touch sensor has the diffusion characteristic, and the uniformity of an electronic product can be further improved after the touch sensor is applied to electronic equipment.
Optionally, a hardened layer is further formed between the substrate and the first diffusion layer, and the hardened layer is used for improving the adhesive force of the substrate.
The first diffusion layer may be directly coated on the substrate, or a hardened layer may be formed on the substrate and then the first diffusion layer may be coated on the hardened layer. The hardened layer may be specifically an HC hardened layer, and the HC hardened layer is a resin layer having silicone particles. The first diffusion layer may be provided separately or may replace the HC curing layer. The HC-containing hard layer may be replaced by diffusing particles instead of the silicone particles doped in the resin, or by adding diffusing particles, so that the thickness of the touch sensor is not increased compared to the case where the first diffusing layer is added to the hard layer.
Optionally, the touch sensor further includes:
a second diffusion layer formed on the substrate and away from the first diffusion layer;
a second optical layer formed on a side of the second diffusion layer facing away from the substrate;
a third electrode layer formed on the side of the second optical layer away from the second diffusion layer;
and the fourth electrode layer is formed on one side, away from the second optical layer, of the third electrode layer.
The touch sensor can be single-layer or double-layer, namely, diffusion layers, namely a first diffusion layer and a second diffusion layer, are arranged on two sides of the substrate. The diffusion effect of the touch sensor can be further improved.
Optionally, a hardened layer is further formed between the substrate and the second diffusion layer, and the hardened layer is used for improving the adhesive force of the substrate.
In the above-described two-layer touch sensor, a hardened layer is also provided between the substrate and the second diffusion layer, and similarly, the hardened layer may be specifically an HC hardened layer, and the HC hardened layer is a resin layer having organic silicon particles. The second diffusion layer may be provided separately or may replace the HC curing layer. The HC-replacing hardened layer may be formed by replacing silicone particles doped in resin with diffusion particles, or by additionally adding diffusion particles, so that the thickness of the touch sensor is not increased relative to the case of adding a second diffusion layer on the hardened layer.
Optionally, the first diffusion layer and/or the second diffusion layer are doped with diffusion particles, and the diffusion particles are used for performing diffusion treatment on light.
When the first diffusion layer and/or the second diffusion layer are added, namely, the first diffusion layer and/or the second diffusion layer are formed by coating on the hardening layer. The diffusion layer (i.e. the first diffusion layer or the second diffusion layer) is doped with diffusion particles, so that the light can be diffused, and the uniformity of the light is promoted.
Optionally, the diffusion particles are different in diameter.
In order to avoid the material from adsorbing with the light guide plate, the particle diameters of the conventional diffusion layers (i.e., the first diffusion layer or the second diffusion layer) are different.
Optionally, the hardness of the diffusion particles is no more than 1H.
The hardness of the diffusion particles cannot exceed 1H, so that other materials are prevented from being crushed.
Optionally, the diameters of the diffusion particles are the same.
Since the diffusion layer is relatively expensive, the first diffusion layer and the second diffusion layer are formed by coating, and the diameter of the diffusion particles is not required.
Optionally, the first electrode layer and/or the third electrode layer is made of indium tin oxide; and/or the presence of a gas in the gas,
the second electrode layer and/or the fourth electrode layer are made of copper.
The first electrode layer and/or the third electrode layer is/are an ITO (Indium tin oxide) line, and the second electrode layer and/or the fourth electrode layer is/are a Cu line. The first electrode layer and the third electrode layer are arranged in a light-transmitting area of the touch sensor, and the second electrode layer and the fourth electrode layer are arranged in a non-light-transmitting area of the touch sensor.
In a second aspect, the present invention further provides an electronic device, including the touch sensor according to any one of the first aspect.
When the touch sensor is arranged in the electronic equipment, the touch sensor can be matched with the display module for use, a light source of the display module is used as a backlight of the touch sensor, for example, the light source when the MiniLED display module is used is a point light source, the display effect of directly penetrating through the touch sensor is not good, and therefore, a diffusion layer is arranged in the touch sensor to enable the point light source to be diffused into a surface light source so as to improve the display effect.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the prior art;
FIG. 2 is a schematic structural diagram of a second embodiment of the prior art;
FIG. 3 is a schematic structural diagram of a third embodiment of the prior art;
fig. 4 is a schematic diagram of a layered structure of a touch sensor according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a layered structure of another touch sensor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a single-layer touch sensor according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a layered structure of another touch sensor according to an embodiment of the present invention;
fig. 8 is a schematic view of a layered structure of another touch sensor according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another dual-layer touch sensor according to an embodiment of the present invention.
Icon: 01-a polarizer; 02-a diffusion layer; 03-LED; 04-a light guide plate; 05-a diffusion membrane; 06-backlight source; 07-a diffusion plate; 1-a substrate; 2-a first diffusion layer; 3-a first optical layer; 4-a first electrode layer; 5-a second electrode layer; 6-a hardened layer; 7-a second diffusion layer; 8-a second optical layer; 9-a third electrode layer; 10-a fourth electrode layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In a first aspect, as shown in fig. 4, an embodiment of the present invention provides a touch sensor, including:
a substrate 1;
a first diffusion layer 2 formed on the substrate 1;
the first optical layer 3 is formed on one side of the first diffusion layer 2, which is far away from the substrate 1;
a first electrode layer 4 formed on the side of the first optical layer 3 away from the first diffusion layer 2;
and the second electrode layer 5 is formed on the side, away from the first optical layer 3, of the first electrode layer 4.
In the touch sensor, the substrate 1 is an optical base material, and may be PET (Polyethylene terephthalate), COP, glass, or the like. The first diffusion layer 2 is formed on the substrate 1 by adopting a coating process, the first optical layer 3 can level the first diffusion layer 2, and because the diffusion particles are frosted after being cured, the diffusion particles can be completely leveled by coating a layer of optical resin on the diffusion layer, so that the first electrode layer 4 can be conveniently coated. Therefore, the diffusion layer is arranged in the sensor, so that the diffusion effect can be achieved under the condition of meeting the optical requirement of the touch sensor; the touch sensor has the diffusion characteristic, and the uniformity of an electronic product can be further improved after the touch sensor is applied to electronic equipment.
Optionally, as shown in fig. 5, a hardened layer 6 is further formed between the substrate 1 and the first diffusion layer 2, and the hardened layer 6 is used for improving the adhesion of the substrate 1.
The first diffusion layer 2 may be directly applied to the substrate 1, or the first diffusion layer 2 may be applied to the cured layer 6 after the cured layer 6 is formed on the substrate 1, and the cured layer 6 may be specifically the HC cured layer 6, and the HC cured layer 6 may be a resin layer containing silicone particles. The first diffusion layer 2 may be provided separately or may be substituted for the HC curing layer 6. Instead of the HC curing layer, the silicone particles doped in the resin may be replaced with the diffusion particles, or the diffusion particles may be added, so that the thickness of the touch sensor is not increased compared to the case where the first diffusion layer 2 is added to the curing layer 6.
Referring to fig. 4 to 6, the touch sensor provided in this embodiment is a single-layer touch sensor, and the diffusion layer is arranged inside the touch sensor, so that the diffusion effect can be achieved under the condition that the touch sensor is optical, and the uniformity of the electronic device is further improved.
It should be noted that the single-layer touch sensor specifically includes various structures, such as the following:
the structure I is as follows: the single-layer touch sensor comprises a substrate 1, a first diffusion layer 2, a first optical layer 3, a first electrode layer 4 and a second electrode layer 5 which are sequentially arranged;
the structure II is as follows: the single-layer touch sensor comprises a substrate 1, a hardening layer 6, a first diffusion layer 2, a first optical layer 3, a first electrode layer 4 and a second electrode layer 5 which are sequentially arranged.
Optionally, as shown in fig. 7, the touch sensor further includes:
a second diffusion layer 7 formed on the substrate 1 away from the first diffusion layer 2;
a second optical layer 8 formed on the side of the second diffusion layer 7 facing away from the substrate 1;
a third electrode layer 9 formed on the side of the second optical layer 8 facing away from the second diffusion layer 7;
and a fourth electrode layer 10 formed on the side of the third electrode layer 9 facing away from the second optical layer 8.
The touch sensor may be a single-layer or a double-layer, that is, diffusion layers, that is, the first diffusion layer 2 and the second diffusion layer 7, are disposed on both sides of the substrate 1. The diffusion effect of the touch sensor can be further improved.
Optionally, as shown in fig. 8, a hardened layer 6 is further formed between the substrate 1 and the second diffusion layer 7, and the hardened layer 6 is used for improving the adhesion of the substrate 1.
In the above-described two-layer touch sensor, the hardened layer 6 is also provided between the substrate 1 and the second diffusion layer 7, and similarly, the hardened layer 6 may be specifically an HC hardened layer 6, and the HC hardened layer 6 may be a resin layer having silicone particles. The second diffusion layer 7 may be provided separately or may be substituted for the HC curing layer 6. Instead of the HC curing layer 6, the silicone particles doped in the resin may be replaced with the diffusion particles, or the diffusion particles may be added, so that the thickness of the touch sensor is not increased compared to the case where the second diffusion layer 7 is added to the curing layer 6.
Referring to fig. 7 to 9, the touch sensor provided in this embodiment is a dual-layer touch sensor, and the diffusion effect is placed in the touch sensor, so that the transmittance of the touch sensor is high, the haze of the touch sensor can meet the requirement of diffusion, and thus the electronic device can remove the diffusion layer in the polarizer and the backlight, the product cost is reduced, and the uniformity of the electronic device can meet more than 85%.
It should be noted that the dual-layer touch sensor specifically includes various structures, such as the following:
the structure I is as follows: the double-layer touch sensor comprises a second electrode layer 5, a first electrode layer 4, a first optical layer 3, a first diffusion layer 2, a substrate 1, a second diffusion layer 7, a second optical layer 8, a third electrode layer 9 and a fourth electrode layer 10 which are sequentially arranged;
the structure II is as follows: the double-layer touch sensor comprises a second electrode layer 5, a first electrode layer 4, a first optical layer 3, a first diffusion layer 2, a hardening layer 6, a substrate 1, a second diffusion layer 7, a second optical layer 8, a third electrode layer 9 and a fourth electrode layer 10 which are sequentially arranged;
the structure is three: the double-layer touch sensor comprises a second electrode layer 5, a first electrode layer 4, a first optical layer 3, a first diffusion layer 2, a substrate 1, a hardening layer 6, a second diffusion layer 7, a second optical layer 8, a third electrode layer 9 and a fourth electrode layer 10 which are sequentially arranged;
the structure is four: the double-layer touch sensor comprises a second electrode layer 5, a first electrode layer 4, a first optical layer 3, a first diffusion layer 2, a hardening layer 6, a substrate 1, a hardening layer 6, a second diffusion layer 7, a second optical layer 8, a third electrode layer 9 and a fourth electrode layer 10 which are arranged in sequence.
The structure of the first diffusion layer 2 and the second diffusion layer 7 will be specifically described below:
optionally, the first diffusion layer 2 and/or the second diffusion layer 7 are doped with diffusion particles for diffusion processing of light.
When the first diffusion layer 2 and/or the second diffusion layer 7 are added, that is, coated on the hardened layer 6. The diffusion layer (i.e. the first diffusion layer 2 or the second diffusion layer 7) is doped with diffusion particles, so that light can be diffused, and the uniformity of light is promoted.
Optionally, the diffusion particles are different in diameter.
In order to avoid the material from adsorbing with the light guide plate, the particle diameters of the conventional diffusion layers (i.e., the first diffusion layer 2 or the second diffusion layer 7) are different.
Optionally, the hardness of the diffusing particles is no more than 1H.
The hardness of the diffusion particles cannot exceed 1H, so that other materials are prevented from being crushed.
Optionally, the diameter of the diffusion particles is the same.
Since the diffusion layer is relatively expensive, the first diffusion layer 2 and the second diffusion layer 7 are formed by coating, and the diameter of the diffusion particles is not required.
Optionally, the first electrode layer 4 and/or the third electrode layer 9 is made of indium tin oxide; and/or the presence of a gas in the gas,
the second electrode layer 5 and/or the fourth electrode layer 10 is made of copper.
The first electrode layer 4 and/or the third electrode layer 9 are/is an ITO (Indium tin oxide) line, and the second electrode layer 5 and/or the fourth electrode layer 10 are/is a Cu line. The first electrode layer 4 and the third electrode layer 9 are disposed in a light-transmitting region of the touch sensor, and the second electrode layer 5 and the fourth electrode layer 10 are disposed in a non-light-transmitting region of the touch sensor.
The utility model discloses the embodiment of the first aspect provides a touch sensor reaches the diffusion effect of display screen through increasing the diffusion layer in touch sensor inside, makes electronic equipment's homogeneity better, more is favorable to electronic equipment's volume production.
In a second aspect, embodiments of the present invention further provide an electronic device, including a touch sensor as in any one of the first aspects.
When the touch sensor is arranged in the electronic equipment, the touch sensor can be matched with the display module for use, a light source of the display module is used as a backlight of the touch sensor, for example, the light source when the MiniLED display module is used is a point light source, the display effect of directly penetrating through the touch sensor is not good, and therefore, a diffusion layer is arranged in the touch sensor to enable the point light source to be diffused into a surface light source so as to improve the display effect.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A touch sensor, comprising:
a substrate;
a first diffusion layer formed on the substrate;
the first optical layer is formed on one side, away from the substrate, of the first diffusion layer;
the first electrode layer is formed on one side, away from the first diffusion layer, of the first optical layer;
and the second electrode layer is formed on one side of the first electrode layer, which is far away from the first optical layer.
2. The touch sensor of claim 1, wherein a hardened layer is further formed between the substrate and the first diffusion layer.
3. The touch sensor of claim 1, further comprising:
a second diffusion layer formed on the substrate and away from the first diffusion layer;
a second optical layer formed on a side of the second diffusion layer facing away from the substrate;
a third electrode layer formed on the side of the second optical layer away from the second diffusion layer;
and the fourth electrode layer is formed on one side, away from the second optical layer, of the third electrode layer.
4. The touch sensor of claim 3, wherein a hardened layer is further formed between the substrate and the second diffusion layer.
5. The touch sensor according to claim 3, wherein the first electrode layer and/or the third electrode layer is made of indium tin oxide; and/or the presence of a gas in the gas,
the second electrode layer and/or the fourth electrode layer are made of copper.
6. An electronic device comprising the touch sensor of any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545195.3U CN215068166U (en) | 2021-03-16 | 2021-03-16 | Touch sensor and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545195.3U CN215068166U (en) | 2021-03-16 | 2021-03-16 | Touch sensor and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215068166U true CN215068166U (en) | 2021-12-07 |
Family
ID=79261377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120545195.3U Expired - Fee Related CN215068166U (en) | 2021-03-16 | 2021-03-16 | Touch sensor and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215068166U (en) |
-
2021
- 2021-03-16 CN CN202120545195.3U patent/CN215068166U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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