CN205139884U - Touch -sensitive screen and have display device of this touch -sensitive screen - Google Patents
Touch -sensitive screen and have display device of this touch -sensitive screen Download PDFInfo
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- CN205139884U CN205139884U CN201520943263.6U CN201520943263U CN205139884U CN 205139884 U CN205139884 U CN 205139884U CN 201520943263 U CN201520943263 U CN 201520943263U CN 205139884 U CN205139884 U CN 205139884U
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- 239000000758 substrate Substances 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 239000000725 suspension Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a this touch -sensitive screen includes the electrode layer, the electrode layer includes the electrode, the electrode is array arrangement, the touch -control chip, each the electrode be connected to through the lead wire mode the touch -control chip, when touch -sensitive screen during by the touch -control, the electrode that corresponds sends touch signal to the touch -control chip through the lead wire that corresponds, carries out the independent control to it, and the coordinate of touch -control point correspondence is confirmed to the touch -control chip according to touch signal. The utility model provides a display device who has this touch -sensitive screen. The utility model discloses a touch -sensitive screen and have display device of this touch -sensitive screen is through being connected to the coordinate that touch -control point is confirmed to the touch -control chip with the electrode with the mode that goes between to realize the multiple spot touch -control.
Description
Technical field
The utility model relates to electronic applications, particularly relates to a kind of touch-screen and has the display device of this touch-screen.
Background technology
At present, existing touch-screen is mainly projected capacitive, and it is divided into mutual capacitance type (Multi-Capacitance) and self-capacitance (Self-Capacitance) according to scan mode.Wherein, the touch-screen of self-capacitance generally adopts transparent conductive material (as ITO) to be made into transverse direction and longitudinal electrode array, these horizontal and vertical electrodes form electric capacity with ground respectively, when finger touch is to touch-screen, the electric capacity of finger will be added in screen body capacitance, and screen body capacitance amount is increased.
When touching detection, the touch-screen of self-capacitance detects laterally and longitudinal electrode array successively respectively, according to the change touching front and back electric capacity, determines lateral coordinates and longitudinal coordinate respectively, is then combined into the touch coordinate of plane.The scan mode of self-capacitance touch screen, is equivalent to the touch point on touch-screen to project to X-axis and Y direction respectively, then calculates coordinate in X-axis and Y direction respectively, be finally combined into the coordinate of touch point.Therefore, if there are two touch on the touchscreen and these 2 not when same X-direction or same Y direction, then there are two projections respectively in X-axis and Y direction, be combined into four coordinates, obviously, only have two coordinates to be real, two other coordinate is exactly " the terrible point " that be commonly called as, cannot realize real multi-point touch effect.
In addition, the touch-screen of existing self-capacitance is subject to temperature, humidity, the moistening degree of finger, affects interference greatly by extraneous large area object etc., easily produces " drift " phenomenon.
Utility model content
There is provided a kind of touch-screen and have the display device of this touch-screen, it can realize multi-point touch.
The utility model provides a kind of touch-screen, and this touch-screen comprises electrode layer, and described electrode layer comprises electrode, and described electrode is arranged in array; Touch chip, electrode described in each is connected to described touch chip by gage system, and when touch-screen is by touch-control, touching signals is sent to touch chip by corresponding lead-in wire by corresponding electrode, it carries out independent control, the coordinate that touch chip is corresponding according to touching signals determination touch point.
Wherein, described electrode pattern can be rectangle, rhombus and polygon.
Wherein, the arrangement mode of described lead-in wire can be order arrangement, cross arrangement and mixing arrangement.
Wherein, described touch-screen also comprises the first screen layer, and described electrode layer comprises the first surface towards substrate, and described first screen layer is arranged at described first surface.
Wherein, described touch-screen also comprises secondary shielding layer, and described electrode layer also comprises the second surface relative with first surface, and described secondary shielding layer is arranged at described second surface.
Wherein, when touch-screen is by touch-control, point distance between electrode and electric capacity between finger and electrode to be inversely proportional to linear relationship, can determine to point the distance between electrode with the electric capacity between electrode by measuring finger, and then determine the concrete coordinate of touch point.
The utility model on the other hand also provides a kind of display device, and it comprises display screen and the touch-screen that sets gradually thereon and lid, and this touch-screen comprises electrode layer, and described electrode layer comprises electrode, and described electrode is arranged in array; Touch chip, electrode described in each is connected to described touch chip by gage system, and when touch-screen is by touch-control, touching signals is sent to touch chip by corresponding lead-in wire by corresponding electrode, independent control is carried out to it, the coordinate that touch chip is corresponding according to touching signals determination touch point.
The touch-screen provided according to above-mentioned implementation and there is this touch-screen display device by electrode is connected in the mode of lead-in wire the coordinate that touch chip determines touch point, thus realize multi-point touch.Meanwhile, also can be pointed the distance between electrode by the electric capacity measured between finger and electrode, and then be determined the concrete coordinate of touch point, to reach suspension touch control effect.In addition, the first screen layer and the secondary shielding layer that are arranged at electrode layer both sides can avoid extraneous interference effectively.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the three-dimensional exploded view with the display device of touch-screen that the utility model better embodiment provides;
Fig. 2 is the electrode of the touch-screen that the utility model better embodiment provides and the schematic diagram of lead-in wire;
Fig. 3 is the floor map of the pattern of the electrode of the touch-screen that the utility model better embodiment provides;
Fig. 4 is the schematic diagram of the first screen layer of the touch-screen that the utility model better embodiment provides;
Fig. 5 is the floor map of the secondary shielding layer of the touch-screen that the utility model better embodiment provides;
Fig. 6 is the partial circuit figure of the touch-screen that this better embodiment of the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model better embodiment provides a kind of display device 100 with touch-screen.Described display device 100 comprises existing display screen (not shown) and the touch-screen 10 set gradually thereon and lid 30.
Described touch-screen 10 comprises electrode layer 11, first screen layer 13, secondary shielding layer 15 and touch chip 17 (referring to Fig. 6).Described electrode layer 11 comprises first surface 111 and the second surface 113 relative with first surface 111.This electrode layer 11 is provided with electrode 115, described electrode 115 is in M × N array arrangement, wherein M and N is natural number, refer to Fig. 2, in this preferred embodiment, totally 16, this electrode 115, in 4 × 4 array arrangements, see also Fig. 3, the pattern of described electrode 115 is including but not limited to shapes such as rectangle, rhombus and polygons.The arrangement mode of described lead-in wire 117 is random, can be order arrangement, cross arrangement and mixing arrangement.
Electrode 115 described in each is all connected to described touch chip 17 by lead-in wire 117, when touch-screen 10 is by touch-control, touching signals is sent to touch chip 17 by corresponding lead-in wire 117 by corresponding electrode 115, independent control is carried out to it, touch chip 17 can be corresponding according to touching signals determination touch point coordinate, thus can multi-point touch be realized.Described touching signals can be the electric capacity Cx carrying out between the finger of touch control operation and electrode 115 to touch-screen 10.
See also Fig. 4, described first screen layer 13 is arranged at described first surface 111, for shielding being arranged at the electronic component that display device 100 is positioned at below first surface 111, to reduce the interference that it produces electrode layer 115, avoid affecting touch-control effect because its interference.
See also Fig. 5, described secondary shielding layer 15 is arranged at described second surface 113, for shielding lead-in wire 17, avoid when touch-screen 10 is by touch-control, the lead-in wire 17 that the 17 overlap-add region internal causes that go between are different all can produce the ground capacitance that varies in size and a disorderly report point phenomenon occurs.
See also Fig. 6, when touch-screen 10 is by touch-control, touch chip 17 measures the electric capacity Cx between finger and electrode 115, due to electric capacity Cx=ε S/d, wherein, ε is the specific inductive capacity of two parallel-plates forming touch-screen 10, S is the area that two parallel-plates of formation touch-screen 10 are relative, d is the distance between finger and electrode 115, therefore, point distance d between electrode 115 and electric capacity Cx between finger and electrode 115 to be inversely proportional to linear relationship, the distance d between electrode 115 can be pointed by the electric capacity Cx measured between finger and electrode 115, and then determine the concrete coordinate of touch point, to reach suspension touch control effect.
The utility model touch-screen 10 by electrode 115 is connected in the mode of lead-in wire the coordinate that touch chip 17 determines touch point, thus realizes multi-point touch.Meanwhile, also can be pointed the distance d between electrode 115 by the electric capacity Cx measured between finger and electrode 115, and then be determined the concrete coordinate of touch point, to reach suspension touch control effect.In addition, the first screen layer 13 and the secondary shielding layer 15 that are arranged at electrode layer 11 both sides can avoid extraneous interference effectively.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly the interest field of the utility model can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the utility model claim is done, still belong to the scope that utility model contains.
Claims (7)
1. a touch-screen, comprising:
Electrode layer, described electrode layer comprises electrode, and described electrode is arranged in array;
Touch chip, electrode described in each is connected to described touch chip by gage system, and when touch-screen is by touch-control, touching signals is sent to touch chip by corresponding lead-in wire by corresponding electrode, independent control is carried out to it, the coordinate that touch chip is corresponding according to touching signals determination touch point.
2. touch-screen as claimed in claim 1, it is characterized in that, described electrode pattern can be rectangle, rhombus and polygon.
3. touch-screen as claimed in claim 1, is characterized in that, the arrangement mode of described lead-in wire can be order arrangement, cross arrangement and mixing arrangement.
4. touch-screen as claimed in claim 1, it is characterized in that, described touch-screen also comprises the first screen layer, and described electrode layer comprises the first surface towards substrate, and described first screen layer is arranged at described first surface.
5. touch-screen as claimed in claim 4, it is characterized in that, described touch-screen also comprises secondary shielding layer, and described electrode layer also comprises the second surface relative with first surface, and described secondary shielding layer is arranged at described second surface.
6. touch-screen as claimed in claim 1, it is characterized in that, when touch-screen is by touch-control, point distance between electrode and electric capacity between finger and electrode to be inversely proportional to linear relationship, can determine to point the distance between electrode by the electric capacity measured between finger and electrode, and then determine the concrete coordinate of touch point.
7. a display device, it comprises display screen and the touch-screen that sets gradually thereon and lid, and it is characterized in that, described touch-screen is the touch-screen in claim 1-6 item described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520943263.6U CN205139884U (en) | 2015-11-24 | 2015-11-24 | Touch -sensitive screen and have display device of this touch -sensitive screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520943263.6U CN205139884U (en) | 2015-11-24 | 2015-11-24 | Touch -sensitive screen and have display device of this touch -sensitive screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205139884U true CN205139884U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520943263.6U Active CN205139884U (en) | 2015-11-24 | 2015-11-24 | Touch -sensitive screen and have display device of this touch -sensitive screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205139884U (en) |
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2015
- 2015-11-24 CN CN201520943263.6U patent/CN205139884U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330013, Nanchang, Jiangxi, north of the Economic Development Zone Huang Jia Hu West Road, the ophelion Technology Park. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013, Nanchang, Jiangxi, north of the Economic Development Zone Huang Jia Hu West Road, the ophelion Technology Park. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330013, Nanchang, Jiangxi, north of the Economic Development Zone Huang Jia Hu West Road, the ophelion Technology Park. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330013, Nanchang, Jiangxi, north of the Economic Development Zone Huang Jia Hu West Road, the ophelion Technology Park. 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: 20210507 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: 330013, Nanchang, Jiangxi, north of the Economic Development Zone Huang Jia Hu West Road, the ophelion Technology Park. 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 |