CN204808289U - Touch -sensitive screen and display device - Google Patents
Touch -sensitive screen and display device Download PDFInfo
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- CN204808289U CN204808289U CN201520394264.XU CN201520394264U CN204808289U CN 204808289 U CN204808289 U CN 204808289U CN 201520394264 U CN201520394264 U CN 201520394264U CN 204808289 U CN204808289 U CN 204808289U
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Abstract
The utility model relates to a touch -sensitive screen, including protection apron, electric capacity inductive layer and forced induction layer, electric capacity inductive layer and forced induction level in protection apron one side, the forced induction layer includes pressure drag conductive thin film and detection circuitry, pressure drag conductive thin film includes the basement and sets up a plurality of induction element of meeting an emergency in the basement, the induction element that meets an emergency connects with detection circuitry respectively. The utility model discloses a touch -sensitive screen simple structure just can respond to touch operation pressure. The utility model discloses still relate to a display device.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of display device and touch-screen thereof.
Background technology
Touch-screen, owing to having the advantages such as ease for operation, intuitive and dirigibility, has become the mutual medium of primary human of personal mobile communication equipment and integrate information terminal.
Current most of touch-screens are in order to adopt the mode increasing pressure transducer auxiliary capacitor touch-screen by touch sensitive on-stream pressure, namely obtain touch operation by capacitance plate to count and touch operation position, again according to the force value that the pressure transducer being distributed in the capacitance plate back side receives, calculate the touch operation force value that each touch point is corresponding, realize the pressure perception of equipment.By additionally increasing the mode of pressure transducer, although can realize pressure sensitive function, cost is higher.
Utility model content
Based on this, be necessary to provide a kind of structure simply can respond to the touch-screen of touch control operation pressure.
A kind of touch-screen; comprise cover sheet, capacitive sensing layer and pressure sensitive layer; described capacitive sensing layer and pressure sensitive layer are positioned at described cover sheet side; described pressure sensitive layer comprises pressure drag conductive film and testing circuit; described pressure drag conductive film comprises substrate and is arranged on suprabasil multiple strain sensing unit, and described strain sensing unit is connected with testing circuit respectively.
In above-mentioned touch-screen, capacitive sensing layer detects the precise position information obtaining multiple touch control operation position by capacity coupled mode.When touch-screen is subject to touch operation pressure, the pressure drag conductive film resistance value at touch operation point place will change, and this change is detected by described testing circuit, thus touch-screen sets up the relation between touch operation pressure size and resistance change by testing circuit and conductive film.
Wherein in an embodiment, described pressure drag conductive film is carbon nano-tube film or graphene film, and described strain sensing unit is made up of carbon nano-tube or Graphene.
Wherein in an embodiment, the distribution in serpentine pattern on the substrate of described strain sensing unit.
Wherein in an embodiment, the arrangement in matrix array on the substrate of described strain sensing unit.
Wherein in an embodiment, also comprise flexible PCB, described testing circuit is wheatstone bridge circuits, and described wheatstone bridge circuits is integrated in described flexible PCB.
Wherein in an embodiment, described cover sheet is the one in tempered glass cover plate, plastic cover plate, polymethylmethacrylate cover plate, sapphire cover plate.
A kind of display device, comprise above-mentioned touch-screen, also comprise display unit, described capacitive sensing layer is between cover sheet and pressure sensitive layer, and described display unit is positioned at the side of pressure sensitive layer away from capacitive sensing layer.
A kind of display device, comprise above-mentioned touch-screen, also comprise display unit, described capacitive sensing layer is between cover sheet and display unit, and described pressure sensitive layer is positioned at the side of display unit away from capacitive sensing layer.
A kind of display device, comprise above-mentioned touch-screen, also comprise display unit, described pressure sensitive layer is between cover sheet and capacitive sensing layer, and described display unit is positioned at the side of capacitive sensing layer away from pressure sensitive layer.
A kind of display device; comprise above-mentioned touch-screen, also comprise display unit, described capacitive sensing layer comprises two-layer electrode layer; described pressure sensitive layer is between described two-layer electrode layer, and described capacitive sensing layer and pressure sensitive layer are between cover sheet and display unit.
Accompanying drawing explanation
The schematic diagram of the touch-screen that Fig. 1 provides for the utility model one embodiment;
The schematic diagram of the pressure sensitive layer that Fig. 2 provides for the utility model one embodiment;
The schematic diagram of the strain sensing unit that Fig. 3 provides for the utility model one embodiment;
The schematic diagram of the display device that Fig. 4 provides for the utility model one embodiment;
The schematic diagram of the display device that Fig. 5 provides for another embodiment of the utility model;
The schematic diagram of the display device that Fig. 6 provides for the another embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As depicted in figs. 1 and 2; touch-screen of the present utility model comprises cover sheet 100, capacitive sensing layer 200 and pressure sensitive layer 300; described capacitive sensing layer 200 and pressure sensitive layer 300 are positioned at described cover sheet 100 side, and described pressure sensitive layer 300 comprises pressure drag conductive film 320 and testing circuit 340.Wherein pressure drag conductive film 320 comprises substrate 324 and is arranged on the strain sensing unit 322 of the arrangement in matrix array in substrate 324.Testing circuit 340 is electrically connected with strain sensing unit 322.
In described touch-screen, capacitive sensing layer 200 can have single layered transparent electrode layer or Double-layered transparent electrode layer structure.Described capacitive sensing layer 200 can be formed in the dielectric base that fits with cover sheet 100 or directly be formed at the surface of cover sheet 100, and namely capacitive sensing layer 200 and cover sheet 100 can be formed as GF, GFF or OGS structure alleged by industry.Capacitive sensing layer 200 detects the precise position information obtaining multiple touch control operation position by capacity coupled mode.When touch-screen is subject to touch operation pressure, pressure drag conductive film 320 resistance value at touch operation point place will change, and this change is detected by described testing circuit 340, thus touch-screen sets up the relation between touch operation pressure size and resistance change by testing circuit 340 and pressure drag conductive film 320.
Wherein in an embodiment, described pressure drag conductive film 320 is carbon nano-tube film or graphene film, and described strain sensing unit 322 is made up of carbon nano-tube or Graphene.Wherein the number of plies of graphene film is one or more layers.Described multilayer is preferably less than 20 layers.Carbon nano-tube and Graphene have high transmission rate and high piezoresistance sensitivity degree, are good pressure drag conductive materials.Preferably, as shown in Figure 3, described strain sensing unit 322 is the distribution in serpentine pattern in described substrate 324, thus makes the pressure drag conductive material that the pressure drag conductive film 320 of unit area distributes closeer.
Wherein in an embodiment, the serpentine pattern of described strain sensing unit 322 is made by techniques such as radium-shine or gold-tinteds.
As shown in Figure 2, wherein in an embodiment, touch-screen of the present utility model also comprise flexible PCB 400, described testing circuit 340 is integrated in described flexible PCB 400.In other embodiments, described testing circuit 340 also accessible site in substrate 324.Wherein in an embodiment, described testing circuit 340 is wheatstone bridge circuits, wheatstone bridge circuits be a kind of can the circuit of accurate measuring resistance.A part for wheatstone bridge circuits is become after strain sensing unit 322 on pressure drag conductive film 320 is connected with wheatstone bridge circuits, when touch-screen is subject to touch operation pressure, the resistance of strain sensing unit 322 can change, and is then detected by wheatstone bridge circuits.
Wherein in an embodiment, described cover sheet 100 material is the one in tempered glass, plastics, polymethylmethacrylate, sapphire.
As shown in Figure 4; the utility model additionally provides a kind of display device; comprise the touch-screen of above-described embodiment; also comprise display unit 500; described capacitive sensing layer 200 is between cover sheet 100 and pressure sensitive layer 300, and described display unit 500 is positioned at the side of pressure sensitive layer 300 away from capacitive sensing layer 200.
As shown in Figure 5; in wherein a kind of embodiment of display device of the present utility model; comprise the touch-screen of above-described embodiment; also comprise display unit 500; described capacitive sensing layer 200 is between cover sheet 100 and display unit 500, and described pressure sensitive layer 300 is positioned at the side of display unit 500 away from capacitive sensing layer 200.
As shown in Figure 6; in wherein a kind of embodiment of display device of the present utility model; comprise the touch-screen of above-described embodiment; also comprise display unit 500; described pressure sensitive layer 300 is between cover sheet 100 and capacitive sensing layer 200, and described display unit 500 is positioned at the side of capacitive sensing layer 200 away from pressure sensitive layer 300.
In wherein a kind of embodiment of display device of the present utility model; comprise the touch-screen of above-described embodiment; also comprise display unit 500; described capacitive sensing layer 200 comprises two-layer transparent electrode layer; described pressure sensitive layer 300 is between described two-layer transparent electrode layer, and described capacitive sensing layer 200 and pressure sensitive layer 300 are between cover sheet 100 and display unit 500.
Display device of the present utility model can be used for the products such as mobile phone, panel computer, televisor.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a touch-screen; it is characterized in that; comprise cover sheet, capacitive sensing layer and pressure sensitive layer; described capacitive sensing layer and pressure sensitive layer are positioned at described cover sheet side; described pressure sensitive layer comprises pressure drag conductive film and testing circuit; described pressure drag conductive film comprises substrate and is arranged on suprabasil multiple strain sensing unit, and described strain sensing unit is connected with testing circuit respectively.
2. touch-screen according to claim 1, is characterized in that, described pressure drag conductive film is carbon nano-tube film or graphene film, and described strain sensing unit is made up of carbon nano-tube or Graphene.
3. touch-screen according to claim 2, is characterized in that, each strain sensing unit is rendered as serpentine pattern on the substrate.
4. touch-screen according to claim 2, is characterized in that, the arrangement in matrix array on the substrate of described strain sensing unit.
5. touch-screen according to claim 1, is characterized in that, also comprises flexible PCB, and described testing circuit is wheatstone bridge circuits, and described wheatstone bridge circuits is integrated in described flexible PCB.
6. touch-screen according to claim 1, is characterized in that, described cover sheet is the one in tempered glass cover plate, plastic cover plate, polymethylmethacrylate cover plate, sapphire cover plate.
7. a display device; it is characterized in that; comprise the touch-screen described in claim 1-6 any one and display unit, described capacitive sensing layer is between cover sheet and pressure sensitive layer, and described display unit is positioned at the side of pressure sensitive layer away from capacitive sensing layer.
8. a display device; it is characterized in that, comprise the touch-screen described in claim 1-6 any one, also comprise display unit; described capacitive sensing layer is between cover sheet and display unit, and described pressure sensitive layer is positioned at the side of display unit away from capacitive sensing layer.
9. a display device; it is characterized in that, comprise the touch-screen described in claim 1-6 any one, also comprise display unit; described pressure sensitive layer is between cover sheet and capacitive sensing layer, and described display unit is positioned at the side of capacitive sensing layer away from pressure sensitive layer.
10. a display device; it is characterized in that; comprise the touch-screen described in claim 1-6 any one; also comprise display unit; described capacitive sensing layer comprises two-layer transparent electrode layer; described pressure sensitive layer is between described two-layer transparent electrode layer, and described capacitive sensing layer and pressure sensitive layer are between cover sheet and display unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394264.XU CN204808289U (en) | 2015-06-09 | 2015-06-09 | Touch -sensitive screen and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394264.XU CN204808289U (en) | 2015-06-09 | 2015-06-09 | Touch -sensitive screen and display device |
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| CN204808289U true CN204808289U (en) | 2015-11-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511670A (en) * | 2015-11-30 | 2016-04-20 | 信利光电股份有限公司 | Touch screen with pressure detection function and electronic equipment |
| CN105607790A (en) * | 2016-02-02 | 2016-05-25 | 上海交通大学 | Resistance-capacitance hybrid pressure sensor and use method thereof |
| CN106293285A (en) * | 2015-06-09 | 2017-01-04 | 南昌欧菲光科技有限公司 | Touch screen and display device |
| CN106502477A (en) * | 2016-11-30 | 2017-03-15 | 上海创功通讯技术有限公司 | A kind of touch control method of the terminal with pressure sensitive layer and device |
| CN107562242A (en) * | 2016-07-01 | 2018-01-09 | 南昌欧菲光科技有限公司 | Pressure sensitive device and there is its display device |
| CN108027674A (en) * | 2016-06-30 | 2018-05-11 | 华为技术有限公司 | A kind of electronic equipment and terminal |
| US10234986B2 (en) | 2016-12-20 | 2019-03-19 | Shanghai Tianma Micro-electronics Co., Ltd. | Touch control display panel and touch control display apparatus |
-
2015
- 2015-06-09 CN CN201520394264.XU patent/CN204808289U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293285A (en) * | 2015-06-09 | 2017-01-04 | 南昌欧菲光科技有限公司 | Touch screen and display device |
| CN105511670A (en) * | 2015-11-30 | 2016-04-20 | 信利光电股份有限公司 | Touch screen with pressure detection function and electronic equipment |
| CN105607790A (en) * | 2016-02-02 | 2016-05-25 | 上海交通大学 | Resistance-capacitance hybrid pressure sensor and use method thereof |
| CN105607790B (en) * | 2016-02-02 | 2018-10-19 | 上海交通大学 | A kind of hybrid pressure sensor of resistance capacitance and its application method |
| CN108027674A (en) * | 2016-06-30 | 2018-05-11 | 华为技术有限公司 | A kind of electronic equipment and terminal |
| US10768743B2 (en) | 2016-06-30 | 2020-09-08 | Huawei Technologies Co., Ltd. | Electronic device and terminal |
| CN108027674B (en) * | 2016-06-30 | 2020-11-10 | 华为技术有限公司 | Electronic equipment and terminal |
| CN107562242A (en) * | 2016-07-01 | 2018-01-09 | 南昌欧菲光科技有限公司 | Pressure sensitive device and there is its display device |
| CN106502477A (en) * | 2016-11-30 | 2017-03-15 | 上海创功通讯技术有限公司 | A kind of touch control method of the terminal with pressure sensitive layer and device |
| CN106502477B (en) * | 2016-11-30 | 2024-04-12 | 上海创功通讯技术有限公司 | Touch control method and device for terminal with pressure sensing layer |
| US10234986B2 (en) | 2016-12-20 | 2019-03-19 | Shanghai Tianma Micro-electronics Co., Ltd. | Touch control display panel and touch control display apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 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 Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| TR01 | Transfer of patent right |