CN104731409A - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN104731409A CN104731409A CN201510126675.5A CN201510126675A CN104731409A CN 104731409 A CN104731409 A CN 104731409A CN 201510126675 A CN201510126675 A CN 201510126675A CN 104731409 A CN104731409 A CN 104731409A
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- touch display
- display panel
- metal shell
- touch
- wire
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a touch display panel and a touch display device. The panel comprises multiple driving wires, multiple sensing wires, a touch chip and a metal shell. The touch chip comprises a driving unit and a detecting unit; the driving unit is used for providing driving signals for the driving wires, and the detecting unit is used for judging whether the touch operations exist on the touch display panel or not according to the detecting signals to generate a judging result; the metal shell is located outside the touch chip, the distance between the metal shell and a reference wire is smaller than a preset valve, and the reference wire is a wire, closest to the metal shell, in the driving wires or the sensing wires; the metal shell is connected with the ground end of the touch chip to avoid the interference of noise on the signals of the driving wires and the sensing wires. According to the touch display panel and the touch display device, an existing ground wire is replaced by the metal shell, and therefore the frame width of the touch display panel is reduced.
Description
[technical field]
The present invention relates to LCD Technology field, particularly relate to a kind of touch display panel and touch display unit.
[background technology]
Along with smart mobile phone, the widely using of panel computer, the technology of touch-control display panel is also at development.The structural representation of the touch display panel of prior art as shown in Figure 1, comprises many drive wires 11 and many sense wires 12, ground wire 13, cover glasses 14, and metal shell 15; Form touch area by many drive wires 11 and many sense wires 12, composition graphs 2, Fig. 2 provides the enlarged perspective in 101 regions in Fig. 1; And drive wire and sense wire are connected to touch area 17 by the cabling 16 being positioned at outside, touch area from the touch display panel left and right sides to be formed; these cablings are firmly stenciled printed circuit board (FPC) by flexibility and are connected to touch chip; prior art also can at cabling arranged outside ground wire 13; ground wire 13 is connected to the earth terminal touching chip, and in figure, 101 regions are the region between touch area to cover glass.
In order to prevent noise to the interference of signal on drive wire and sense wire, guarantee jamproof effect, prior art will keep certain safe distance (two class signal wires do not contact as shown in Figure 2) between outermost cabling 16 and ground wire 13, the width D of ground wire 13 is generally about 0.2mm.Due to when connecting up, cannot realize arranging ground wire at the edge of indium tin oxide films 18, making ground wire 13 to the existence distance L1 (being generally 0.4mm) of indium tin oxide films edge A.And in laminating process, make indium tin oxide films edge A also can there is distance L2 (being generally 0.2mm) to cover glass edge B.The metal edge frame of visible prior art is larger to the distance between touch area, cannot realize the design of narrow frame.
Therefore, be necessary to provide a kind of touch display panel and touch display unit, to solve the problem existing for prior art.
[summary of the invention]
The object of the present invention is to provide a kind of touch display panel and touch display unit, with the technical matters that the frame solving prior art touch display panel is larger.
For solving the problems of the technologies described above, the present invention constructs a kind of touch display panel, and it comprises: many drive wires, for receiving drive singal;
Many sense wires, insulate with described drive wire and are crisscross arranged, and for according to the drive singal on described drive wire and the touch control operation that senses, produce detection signal;
Touching chip, comprising driver element and detecting unit, described driver element, for providing drive singal to described drive wire; Described detecting unit, for judging whether described touch display panel has described touch control operation according to described detection signal, generates judged result;
Metal shell, be positioned at the outside of described touch chip, the distance between described metal shell and reference line is less than preset value, and wherein said reference line is the nearest line of metal shell described in described drive wire or described sense wire middle distance;
Wherein said metal shell is connected with the earth terminal of described touch chip, to avoid noise to the signal disturbing on described drive wire and described sense wire.
In touch display panel of the present invention, described touch display panel has 4 sides, and described metal shell wraps up whole sides of described touch display panel.
In touch display panel of the present invention, described drive wire, described sense wire, described touch chip and described metal shell are integrally formed.
In touch display panel of the present invention, described metal shell is connected by the earth terminal of connecting line with described touch chip, and wherein said connecting line is positioned at the outside of described touch display panel.
In touch display panel of the present invention, described touch display panel also comprises cover glass, and it is outside that described metal shell is positioned at described cover glass.
In touch display panel of the present invention, described touch display panel also comprises cover glass, and it is inner that described metal shell is positioned at described cover glass.
The present invention also provides a kind of touch display unit, and it comprises: backlight, and touch display panel;
Wherein said touch display panel comprises:
Many drive wires, for receiving drive singal;
Many sense wires, insulate with described drive wire and are crisscross arranged, and for according to the drive singal on described drive wire and the touch control operation that senses, produce detection signal;
Touching chip, comprising driver element and detecting unit, described driver element, for providing drive singal to described drive wire; Described detecting unit, for judging whether described touch display panel has described touch control operation according to described detection signal, generates judged result;
Metal shell, be positioned at the outside of described touch chip, the distance between described metal shell and reference line is less than preset value, and wherein said reference line is the nearest line of metal shell described in described drive wire or described sense wire middle distance;
Wherein said metal shell is connected with the earth terminal of described touch chip, to avoid noise to the signal disturbing on described drive wire and described sense wire.
In touch display unit of the present invention, described touch display panel has 4 sides, and described metal shell wraps up whole sides of described touch display panel.
In touch display unit of the present invention, described drive wire, described sense wire, described touch chip and described metal shell are integrally formed.
In touch display unit of the present invention, described metal shell is connected by the earth terminal of connecting line with described touch chip, and wherein said connecting line is positioned at the outside of described touch display panel.
Touch display panel of the present invention and touch display unit, replace existing ground wire with metal shell, thus further reduce the border width of panel.
[accompanying drawing explanation]
Fig. 1 is the structural representation of existing touch display panel;
Fig. 2 is the enlarged perspective in 101 regions in Fig. 1;
Fig. 3 is the structural representation of touch display panel of the present invention;
Fig. 4 is the enlarged perspective in 102 regions in Fig. 3.
[embodiment]
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.In the drawings, the unit that structure is similar represents with identical label.
Please refer to Fig. 3, Fig. 3 is the structural representation of touch display panel of the present invention;
Touch display panel of the present invention as shown in Figure 3, comprises many drive wires 21, many sense wires 22, touches chip (not shown), metal shell 24, and described drive wire 21 is used for receiving drive singal; Described sense wire 22 insulate with described drive wire 21 and is crisscross arranged, namely without electric connection; For example described sense wire 22 is arranged in X direction, and described drive wire 21 is arranged along Y-direction, described drive wire 21 and described sense wire 22 vertical interlaced.The sense wire 22 staggered by mutually insulated and drive wire 21 can form sensing array.Described sense wire 22 is used for, according to the drive singal on described drive wire 21 and the touch control operation that senses, producing detection signal.
Described touch chip comprises driver element and detecting unit (not shown), and described driver element is connected with described drive wire 21, and described driver element is used for providing drive singal to described drive wire 21; Described detecting unit is connected with described sense wire 22, according to described detection signal, described detecting unit judges whether described touch display panel has described touch control operation, generates judged result.
Composition graphs 4, Fig. 4 provides the enlarged perspective in 102 regions in Fig. 3; Drive wire 21 and sense wire 22 are connected to touch area 26 by the cabling 25 being positioned at outside, touch area from the touch display panel left and right sides to be formed, these cablings 25 are firmly stenciled printed circuit board (FPC) by flexibility and are connected to touch chip, and in figure, 102 regions are the region between touch area to metal shell.
Described metal shell 24 is positioned at the outside of described touch chip, distance between described metal shell 24 and reference line is less than preset value, wherein said reference line is the nearest line of metal shell 24 described in described drive wire 21 or described sense wire 22 middle distance, is the cabling closest to described metal shell 24; Described preset value is less than the distance in prior art between metal shell and reference line, namely the L1+L2 in Fig. 1 is less than, described touch chip has earth terminal, described metal shell 24 is connected with the earth terminal of described touch chip, to avoid noise to the signal disturbing on described drive wire and described sense wire.
By arranged outside one ground wire at sense wire and drive wire in prior art, solve the interference problem of noise, and the present invention's metal shell replaces described ground wire, directly metal shell can be set at indium tin oxide films 27 edge, thus can avoid additionally need arranging ground wire, make ground wire and indium tin oxide films marginal existence distance, reduce the border width of touch display panel.
Preferably, described touch display panel has 4 sides, and described metal shell 24 wraps up whole sides of described touch display panel.Because existing ground wire and drive wire or sense wire make at same layer, in order to avoid ground wire and drive wire or sense wire link together, general ground wire only wraps up 3 sides (such as on left and right) of touch display panel, thus be not grounded the side of line parcel, still there is the problem of noise.And the present invention's metal shell replaces ground wire, because metal shell and drive wire or sense wire do not make at same layer, metal shell can be wrapped up whole sides of described touch display panel, the interference of noise can be avoided better.
Preferably, described drive wire 21, described sense wire 22, described touch chip and described metal shell 24 are integrally formed.Part in touch display panel in addition to metal beyond shell and metal shell are made into an overall structure; the distance (L2 as in Fig. 1) in laminating process between indium tin oxide films edge to cover glass edge can be saved; thus further reduce the border width of touch display panel, achieve the design of narrow frame.For example when making the part beyond shell in addition to metal, together making metal shell, making the part beyond metal shell become an entirety with metal shell.
Preferably, described metal shell 24 is connected by the earth terminal of connecting line with described touch chip, and wherein said connecting line is positioned at the outside of described touch display panel.By the connecting line of outside, make to form stable connection between metal shell and the earth terminal touching chip, avoid when panel itself arranges connecting line, and between the circuit of panel itself, occur short circuit and interference problem, secondly, compared with other connected modes, the difficulty of processing procedure can also be reduced.
Preferably, described touch display panel also comprises cover glass 23, and it is inner that described metal shell is positioned at described cover glass 23.Namely metal shell is embedded in cover glass, can reduce metal shell and the connection distance touching chip, and is not easy to damage metal shell, can avoid the interference of noise better.
Preferably, described touch display panel also comprises cover glass 23, and it is outside that described metal shell is positioned at described cover glass 23, as shown in Figure 3.Namely metal shell is wrapped in cover glass, can protect cover glass on the one hand, is arranged on outside on the other hand, processing procedure ratio is easier to, simultaneously also conveniently replaced metal shell.Especially when making the touch display panel of sizes, convenient.
Preferably, described detecting unit, also for being, when described touch display panel having described touch control operation, described detection signal process is obtained to the position of described touch control operation when described judged result.For example when certain position of user's touch display screen curtain, the capacitance of touch area is changed, output detections signal, the detection signal having the region of touch-control to produce is different with the detection signal not having the region of touch-control to produce.
Touch display panel of the present invention, replaces existing ground wire with metal shell, thus further reduces the border width of panel.
The present invention also provides a kind of touch display unit, and it comprises backlight, and touch display panel; Described backlight is preferably directive property backlight, can utilize light source better, reduces the waste of light source.Composition graphs 3, described touch display panel comprises:
Many drive wires 21, for receiving drive singal;
Many sense wires 22, insulate with described drive wire 21 and are crisscross arranged, and for according to the drive singal on described drive wire 21 and the touch control operation that senses, produce detection signal;
Touching chip, comprising driver element and detecting unit, described driver element, for providing drive singal to described drive wire; Described detecting unit, for judging whether described touch display panel has described touch control operation according to described detection signal, generates judged result;
Metal shell 24, is positioned at the outside of described touch chip, and the distance between described metal shell 24 and reference line is less than preset value, and wherein said reference line is the nearest line of metal shell described in described drive wire or described sense wire middle distance;
Wherein said metal shell 24 is connected with the earth terminal of described touch chip, to avoid noise to the signal disturbing on described drive wire and described sense wire.
Preferably, described touch display panel has 4 sides, and described metal shell 24 wraps up whole sides of described touch display panel.
Preferably, described drive wire 21, described sense wire 22, described touch chip and described metal shell 24 are integrally formed.
Preferably, described metal shell 24 is connected by the earth terminal of connecting line with described touch chip, and wherein said connecting line is positioned at the outside of described touch display panel.
The touch display unit of this can comprise above-mentioned any one touch display panel, in view of touch display panel describes in detail existing above, is not repeating at this.
Touch display unit of the present invention, existing ground wire is replaced with metal shell, directly metal shell can be set at indium tin oxide films 27 edge, thus can avoid owing to additionally arranging ground wire, make ground wire and indium tin oxide films marginal existence distance, reduce the border width of touch display panel.Part in touch display panel in addition to metal beyond shell and metal shell are made into an overall structure by simultaneously the present invention; can avoid in laminating process; make indium tin oxide films edge to the distance of cover glass marginal existence; thus further reduce the border width of touch display panel, achieve the design of narrow frame.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is also not used to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a touch display panel, is characterized in that, comprising:
Many drive wires, for receiving drive singal;
Many sense wires, insulate with described drive wire and are crisscross arranged, and for according to the drive singal on described drive wire and the touch control operation that senses, produce detection signal;
Touching chip, comprising driver element and detecting unit, described driver element, for providing drive singal to described drive wire; Described detecting unit, for judging whether described touch display panel has described touch control operation according to described detection signal, generates judged result;
Metal shell, be positioned at the outside of described touch chip, the distance between described metal shell and reference line is less than preset value, and wherein said reference line is the nearest line of metal shell described in described drive wire or described sense wire middle distance;
Wherein said metal shell is connected with the earth terminal of described touch chip, to avoid noise to the signal disturbing on described drive wire and described sense wire.
2. touch display panel according to claim 1, is characterized in that,
Described touch display panel has 4 sides, and described metal shell wraps up whole sides of described touch display panel.
3. touch display panel according to claim 1, is characterized in that,
Described drive wire, described sense wire, described touch chip and described metal shell are integrally formed.
4. touch display panel according to claim 1, is characterized in that,
Described metal shell is connected by the earth terminal of connecting line with described touch chip, and wherein said connecting line is positioned at the outside of described touch display panel.
5. touch display panel according to claim 1, is characterized in that,
Described touch display panel also comprises cover glass, and it is outside that described metal shell is positioned at described cover glass.
6. touch display panel according to claim 1, is characterized in that,
Described touch display panel also comprises cover glass, and it is inner that described metal shell is positioned at described cover glass.
7. a touch display unit, is characterized in that, comprises
Backlight, and touch display panel;
Wherein said touch display panel comprises:
Many drive wires, for receiving drive singal;
Many sense wires, insulate with described drive wire and are crisscross arranged, and for according to the drive singal on described drive wire and the touch control operation that senses, produce detection signal;
Touching chip, comprising driver element and detecting unit, described driver element, for providing drive singal to described drive wire; Described detecting unit, for judging whether described touch display panel has described touch control operation according to described detection signal, generates judged result;
Metal shell, be positioned at the outside of described touch chip, the distance between described metal shell and reference line is less than preset value, and wherein said reference line is the nearest line of metal shell described in described drive wire or described sense wire middle distance;
Wherein said metal shell is connected with the earth terminal of described touch chip, to avoid noise to the signal disturbing on described drive wire and described sense wire.
8. touch display unit according to claim 7, is characterized in that,
Described touch display panel has 4 sides, and described metal shell wraps up whole sides of described touch display panel.
9. touch display unit according to claim 7, is characterized in that,
Described drive wire, described sense wire, described touch chip and described metal shell are integrally formed.
10. touch display unit according to claim 7, is characterized in that,
Described metal shell is connected by the earth terminal of connecting line with described touch chip, and wherein said connecting line is positioned at the outside of described touch display panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126675.5A CN104731409B (en) | 2015-03-23 | 2015-03-23 | A kind of touch display panel and touch display unit |
| PCT/CN2015/075940 WO2016149962A1 (en) | 2015-03-23 | 2015-04-07 | Touch display panel and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510126675.5A CN104731409B (en) | 2015-03-23 | 2015-03-23 | A kind of touch display panel and touch display unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104731409A true CN104731409A (en) | 2015-06-24 |
| CN104731409B CN104731409B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510126675.5A Active CN104731409B (en) | 2015-03-23 | 2015-03-23 | A kind of touch display panel and touch display unit |
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| Country | Link |
|---|---|
| CN (1) | CN104731409B (en) |
| WO (1) | WO2016149962A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992784A (en) * | 2016-10-26 | 2018-05-04 | 晨星半导体股份有限公司 | Fingerprint sensor and fingerprint identification method thereof |
| CN113903263A (en) * | 2021-10-29 | 2022-01-07 | 武汉华星光电半导体显示技术有限公司 | Flexible display device and manufacturing method thereof |
| CN114801475A (en) * | 2021-01-29 | 2022-07-29 | 精工爱普生株式会社 | Printing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644979A (en) * | 2008-07-31 | 2010-02-10 | 苹果公司 | Capacitive sensor behind black mask |
| CN201867776U (en) * | 2010-10-14 | 2011-06-15 | 京东方科技集团股份有限公司 | Touch screen and electronic device |
| CN102981678A (en) * | 2006-06-09 | 2013-03-20 | 苹果公司 | Touch screen liquid crystal display |
| US20130335366A1 (en) * | 2012-06-14 | 2013-12-19 | Lg Display Co., Ltd. | Display Device with Integrated Touch Screen |
-
2015
- 2015-03-23 CN CN201510126675.5A patent/CN104731409B/en active Active
- 2015-04-07 WO PCT/CN2015/075940 patent/WO2016149962A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981678A (en) * | 2006-06-09 | 2013-03-20 | 苹果公司 | Touch screen liquid crystal display |
| CN101644979A (en) * | 2008-07-31 | 2010-02-10 | 苹果公司 | Capacitive sensor behind black mask |
| CN201867776U (en) * | 2010-10-14 | 2011-06-15 | 京东方科技集团股份有限公司 | Touch screen and electronic device |
| US20130335366A1 (en) * | 2012-06-14 | 2013-12-19 | Lg Display Co., Ltd. | Display Device with Integrated Touch Screen |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992784A (en) * | 2016-10-26 | 2018-05-04 | 晨星半导体股份有限公司 | Fingerprint sensor and fingerprint identification method thereof |
| CN107992784B (en) * | 2016-10-26 | 2021-07-27 | 奕力科技(开曼)股份有限公司 | Fingerprint sensor and fingerprint identification method thereof |
| CN114801475A (en) * | 2021-01-29 | 2022-07-29 | 精工爱普生株式会社 | Printing device |
| CN114801475B (en) * | 2021-01-29 | 2023-07-14 | 精工爱普生株式会社 | printing device |
| CN113903263A (en) * | 2021-10-29 | 2022-01-07 | 武汉华星光电半导体显示技术有限公司 | Flexible display device and manufacturing method thereof |
| CN113903263B (en) * | 2021-10-29 | 2023-06-27 | 武汉华星光电半导体显示技术有限公司 | Flexible display device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104731409B (en) | 2017-10-24 |
| WO2016149962A1 (en) | 2016-09-29 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL China Star Optoelectronics Technology Co.,Ltd. Patentee after: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. Patentee before: Wuhan China Star Optoelectronics Technology Co.,Ltd. |
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