CN101576667A - Touch-control signal transmission circuit and display using same - Google Patents
Touch-control signal transmission circuit and display using same Download PDFInfo
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- CN101576667A CN101576667A CNA2008100967438A CN200810096743A CN101576667A CN 101576667 A CN101576667 A CN 101576667A CN A2008100967438 A CNA2008100967438 A CN A2008100967438A CN 200810096743 A CN200810096743 A CN 200810096743A CN 101576667 A CN101576667 A CN 101576667A
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- electrode
- lcd
- light shield
- touch
- joint liner
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Abstract
The invention relates to a touch-control signal transmission circuit and a display using same. A plurality of first electrodes and second electrodes, which are mutually electrically insulated and alternately arranged along a first direction and a second direction respectively, are arranged on the inner surface of an upper base plate which is used for forming a liquid crystal display, and a touch-control induction zone is formed by the interlaced range of the first electrodes and the second electrodes. When fingers touch the surface of the upper base plate and touch and control in the touch-control induction zone, the display can be controlled or started, and the first electrodes and the second electrodes, which are used for touch-control induction, are arranged on the inner surface of the upper base plate, so the integral thickness and the weight of the display are reduced.
Description
Technical field
The present invention is relevant with the control structure of LCD, the more detailed display that is meant a kind of touching signals transmission circuit and uses this touching signals transmission circuit.
Background technology
Touch control induction device is position that utilize to detect finger or object touch panel, and then transmits the purpose of signal to reach control or to start, and is the input mode of the simplest and easy and hommization of present stage, is therefore often used by many electronic products.Known touch-control sensing principle has resistance-type, condenser type and induction etc., though present touch control induction device is in the majority with resistance-type, but can't carry out feasible the controlling of multi-point touch because of resistance-type is limited to, and the resistance-type structure needs to press induction through the application of force, easily cause the panel privileged site to bear alternate stress repeatedly for a long time and damage, therefore, having the capacitance touching control induction installation that multi-point touch function and panel need not bear too much stress is gazed at by market gradually.
Even if the capacitance touching control induction installation has the market advantage, but its mode that is still to attach combines with display, therefore will cause the increase of integral panels thickness, weight to increase the weight of, also may undermine the optics display effect, descend or the reflectivity rising as penetrance, for design of electronic products day by day for the sophistication, above-mentioned disappearance is like for improving again.
Summary of the invention
The display that fundamental purpose of the present invention is to provide a kind of touching signals transmission circuit and uses this touching signals transmission circuit can reduce display integral thickness and weight reduction.
For reaching above-mentioned purpose, technical solution of the present invention is: a kind of touching signals transmission circuit and use the display of this touching signals transmission circuit, comprise the touching signals transmission circuit that a upper substrate, is formed at the inner face of this upper substrate, this transmission circuit has along first direction and second direction is crisscross arranged and be most bars first electrode and most bar second electrode that are electrically insulated each other, at least one first joint liner and those first electrodes electrically connect, and at least one second joint liner and those second electrodes electrically connect; Other has, and baseplate-laminating is in this upper substrate below, and this infrabasal plate has plurality of wires, and those lead one ends and aforesaid first and second joint liner electrically connect, and the other end and a touch-control IC electrically connect.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the present invention's first preferred embodiment.
Fig. 2 is the three-dimensional combination figure of Fig. 1.
Fig. 3 is the partial sectional view of Fig. 2.
Fig. 4 is a partial perspective view, discloses the touching signals transmission circuit of first preferred embodiment and the relation of light shield device.
Fig. 5 is Fig. 2 roughly the same, discloses touch-control IC and is arranged on the flexible printed wiring board.
Fig. 6 is Fig. 1 roughly the same, discloses two strip electrodes and shares a joint liner.
Fig. 7 is Fig. 4 roughly the same, and disclosing electrode is to embed corresponding light shield device inside in the mode of being spaced, and each electrode electrically connects a joint liner.
Fig. 8 is Fig. 7 roughly the same, discloses two strip electrodes and shares a joint liner.
The primary clustering symbol description
1 LCD
10 upper substrates
12 transparent bodies 12a inner faces, 14 chromatic filter layers
14a, 14b, 14c red, green, blue look filter unit
16 first light shield devices, 18 second light shield devices
20 (20 ') touching signals transmission circuit
21 (21 ') first electrode 22 (22 '), second electrode
23 (23 ') first joint liner 24 (24 '), second joint liner
26 infrabasal plates
27 transparent bodies, 28 thin film transistor (TFT)s, 29 frame glue
30 lead 30a, the first contact 30b, second contact
32 conductive layers
34 touch-control IC
36 light shield devices, 38 electrodes, 40 joint liners
Embodiment
Fig. 1 to Fig. 3 is the synoptic diagram of the LCD 1 of the use touching signals transmission circuit of the present invention of the present invention's first preferred embodiment, this LCD 1 includes a upper substrate 10, a touching signals transmission circuit 20, an infrabasal plate 26, a conductive layer 32 and a touch-control IC 34, below process is not chatted and is manufactured in explanation, only narrates with regard to each component specification and the relevant position of final structure:
The upper substrate 10 of present embodiment is for including the colored filter substrate of a transparent bodies 12 and a chromatic filter layer 14, wherein this chromatic filter layer 14 is the inner face 12a that are formed at this transparent bodies 12, and its formation includes a black matrix", and (Black Matrix is BM) with filter unit 14a, 14b, the 14c of most red, green, blue looks; Aforementioned black matrix" is to make with the black resin material, and comprise respectively along most bars first light shield device 16 of first direction D1 setting and most bars second light shield device 18 that is provided with along second direction D2, this first direction D1 and second direction D2 are vertical interlaced, those first and second light shield device 16,18 one common peripheral dispose filter unit 14a, 14b, the 14c of red, green, blue look in regular turn around defining most zones in those zones.
Please cooperate Fig. 1,4, this touching signals transmission circuit 20 includes first and second electrode 21,22 of most bars and most first and second joint liners (bonding pad) 23,24, wherein:
Those first electrodes 21 are provided with along first direction D1, and are distinctly coated by aforesaid first light shield device 16, each first electrode 21 and with first joint liner, 23 electric connections that are arranged near transparent bodies 12 1 lateral edges;
Those second electrodes 22 are provided with along second direction D2, and distinctly coated by aforesaid second light shield device 18, each second electrode 22 also electrically connects with second joint liner 24 that is arranged near transparent bodies 12 1 lateral edges, mandatory declaration be, because the making of second electrode 22 is after finishing making first light shield device 16, therefore second electrode 22 can't produce with first electrode 21 and electrically connect, but overlaps in the top of first electrode 21 in the mode that is electrically insulated;
The scope that above-described first electrode 21 and second electrode 22 interweave promptly constitutes touch-control sensing of the present invention district, because of electrode is the assembly of very fine, for ease of explanation and draw, shown in drawing only be representative with the small number of electrodes.
The infrabasal plate 26 of present embodiment is the thin-film transistor array base-plate that comprises a transparent bodies 27 and most thin film transistor (TFT)s 28, the area of transparent bodies 27 is greater than aforementioned transparent bodies 12 areas, and those thin film transistor (TFT)s 28 are to be the surface of arrayed in transparent bodies 27; Infrabasal plate 26 fits in the below of upper substrate 10 by a frame glue (main seal) 29,29 region surrounded of frame glue contain corresponding touch-control sensing district, the transparent bodies 27 of infrabasal plate 26 has plurality of wires 30 in frame glue 29 peripheries, and the two ends of those leads 30 are respectively one first contact 30a and one second contact 30b.
This conductive layer 32 is between this upper substrate 10 and this infrabasal plate 26, its effect is the first contact 30a that those first joint liners 23 and second joint liner 24 distinctly is electrically connected to corresponding lead 30, conductive layer 32 in the present embodiment is aeolotropic conductive film (AnisotropicConductive Film, ACF), also can adopt the conducting particles of lower cost certainly.
This touch-control IC 34 directly is linked on the transparent bodies 27 of this infrabasal plate 26, and electrically connect with the second contact 30b of those leads 30, touch-control IC 34 receives the signal that transmits the induction ad-hoc location in the touch-control sensing district, starts according to this or control LCD 1; The configuration mode of touch-control IC 34 is except that directly being located at the infrabasal plate 26 that Fig. 2 discloses, also can adopt aspect as shown in Figure 5, that is touch-control IC 34 is electrically connected on the flexible printed wiring board 35, this flexible printed wiring board 35 again with infrabasal plate 26 on the second contact 30b of those leads 30 electrically connect.
More than, be the formation explanation of LCD 1, the technical characterictic of present embodiment mainly is the inner face 12a that is formed at the existing upper substrate 10 of LCD 1 with directly making as the touching signals transmission circuit 20 of touch-control sensing, utilize the black matrix" of this colored filter substrate to coat first electrode 21 and second electrode 22 again, make win electrode 21 and second electrode 22 to each other for being electrically insulated simultaneously, therefore, when with finger contact upper substrate 10 surperficial, to judge the variation of capacitances through touch-control IC 34 in touching the capacity effect that the position produces, and then determine the position that finger touches.Moreover, just because of touching signals transmission circuit 20 is the inside that directly is made in LCD 1, therefore can obtain to reduce the thickness of integral display and the effect of weight reduction, meet the design of electronic products requirement of sophistication day by day.
Fig. 6 is the second embodiment of the present invention, its structure is roughly identical with above-mentioned first embodiment, difference is in first electrode 21 ' of the touching signals transmission circuit 20 ' of second embodiment and first joint liner 23 ', relation between second electrode 22 ' and second joint liner 24 ', be to make in the mode of the shared joint liner of two strip electrodes, certainly, also visual demand and change number of electrodes and joint liner between corresponding relation, this change can't cause touch-control sensing bad, reason is that electrode gathers and finger touches area and contains greatlyyer, is enough to correctly induce ad-hoc location.
In addition, under the enlightenment of first embodiment, structure of the present invention also can remake to extend and change, as shown in Figure 7, be not that each light shield device 36 inside all embeds a strip electrode 38, but electrode 38 is embedded corresponding light shield device 36 inside in the mode of being spaced, each electrode 38 electrically connects a joint liner 40 again, so, the expenditure that suitably reduces electrode material under the touch-control effect can not influenced; Secondly, according to the enlightenment of second embodiment, the structure of Fig. 7 can be changed into two strip electrodes 38 again and share a joint liner 40 (Fig. 8 reference).
The structure aspect of above-mentioned LCD, be that chromatic filter layer is disposed at upper substrate, join use with general thin-film transistor array base-plate Da again, yet the liquid crystal display device structure under COA (color filter on array) technology, also be suitable for the present invention, that is the upper substrate inner face of LCD is provided with this touching signals transmission circuit, and no longer disposes this chromatic filter layer.
The above only is a preferable possible embodiments of the present invention, uses the equivalent structure variation that instructions of the present invention and claim are done such as, ought to be included in the protection domain of claim of the present invention.
Claims (12)
1. a LCD is characterized in that, includes:
One upper substrate;
One touching signals transmission circuit, be formed at the inner face of this upper substrate, it comprises respectively along first direction and second direction is crisscross arranged and most bars first electrode and most bar second electrode for being electrically insulated each other, and, at least one first joint liner and this first electrode electrically connect, and at least one second joint liner and this second electrode electrically connect;
One infrabasal plate, fit in the below of this upper substrate by a frame glue, this infrabasal plate has plurality of wires outside frame glue, the two ends of this lead are respectively one first contact and one second contact, this first contact and corresponding first joint liner and the electric connection of second joint liner; And
One touch-control IC is with second contact electric connection of those leads.
2. LCD as claimed in claim 1 is characterized in that, described upper substrate comprises:
One body;
One chromatic filter layer, be formed at the inner face of this body, this chromatic filter layer includes first and second light shield device that most filter units and most bar are provided with along first and second direction, wherein, inner aforesaid first electrode that embeds of first light shield device that has part at least, and inner aforesaid second electrode that embeds of second light shield device that has part at least, this first and second light shield device is staggered to form most zones, the corresponding filter unit of configuration out of the ordinary in this zone.
3. LCD as claimed in claim 2 is characterized in that, the described first light shield device inside respectively embeds one first electrode, and this second light shield device inside respectively embeds one second electrode.
4. LCD as claimed in claim 1, it is characterized in that, described first electrode is divided into several groups, each group comprises at least two first electrodes and shares one first joint liner, this second electrode also is divided into several groups, and each group comprises at least two second electrodes and shares one second joint liner.
5. LCD as claimed in claim 1 is characterized in that, described touch-control IC directly is linked on this infrabasal plate.
6. LCD as claimed in claim 1 is characterized in that, a flexible printed wiring board is connected to this infrabasal plate and electrically connects with second contact of this lead, and this touch-control IC is electrically connected on this flexible printed wiring board.
7. LCD as claimed in claim 1 is characterized in that, a conductive layer is between this upper substrate and this infrabasal plate, and this conductive layer is in order to be electrically connected to first joint liner and second joint liner first contact of this lead.
8. LCD as claimed in claim 7 is characterized in that, described conductive layer is an aeolotropic conductive film.
9. LCD as claimed in claim 7 is characterized in that, described conductive layer has individual multi-conducting particle.
10. a touching signals transmission circuit is the upper substrate inner face that is arranged at a LCD, it is characterized in that, comprises:
Most bar first electrodes, this first electrode be arranged in parallel along first direction;
Most first joint liners, each first joint liner and at least one the first electrode electric connections;
Most bar second electrodes are formed at the top of this first electrode in the mode of being electrically insulated, and this second electrode is along be arrangeding in parallel with the staggered second direction of first direction; And
Most second joint liners, each second joint liner and at least one the second electrode electric connections.
11. touching signals transmission circuit as claimed in claim 10 is characterized in that, also comprises most bar first light shield devices, wherein has inner aforesaid first electrode that embeds of first light shield device of part at least.
12. touching signals transmission circuit as claimed in claim 11 is characterized in that, also comprises most bar second light shield devices, wherein has inner aforesaid second electrode that embeds of second light shield device of part at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100967438A CN101576667A (en) | 2008-05-09 | 2008-05-09 | Touch-control signal transmission circuit and display using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100967438A CN101576667A (en) | 2008-05-09 | 2008-05-09 | Touch-control signal transmission circuit and display using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101576667A true CN101576667A (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100967438A Pending CN101576667A (en) | 2008-05-09 | 2008-05-09 | Touch-control signal transmission circuit and display using same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853113A (en) * | 2010-05-05 | 2010-10-06 | 汕头超声显示器（二厂）有限公司 | Capacitive touch pad with comb-shaped electrode |
| CN102073161A (en) * | 2010-11-16 | 2011-05-25 | 友达光电股份有限公司 | Switchable stereoscopic display |
| US8384685B2 (en) | 2010-10-28 | 2013-02-26 | Au Optronics Corporation | Switchable three-dimensional display |
| CN103293748A (en) * | 2012-09-04 | 2013-09-11 | 上海天马微电子有限公司 | CF (Colour Film) baseplate with touch function and touch panel |
| WO2013174186A1 (en) * | 2012-05-25 | 2013-11-28 | Tsai Hsiung-Kuang | Non-display signal coding method and matrix substrate |
| CN104365027A (en) * | 2012-05-25 | 2015-02-18 | 蔡熊光 | Non-display signal coding method and matrix substrate |
| CN105867710A (en) * | 2010-10-29 | 2016-08-17 | 三星显示有限公司 | Flat panel display with integrated touch screen panel |
| WO2018205700A1 (en) * | 2017-05-11 | 2018-11-15 | 京东方科技集团股份有限公司 | Touch substrate, fabrication method therefor, display panel and display device |
-
2008
- 2008-05-09 CN CNA2008100967438A patent/CN101576667A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853113A (en) * | 2010-05-05 | 2010-10-06 | 汕头超声显示器（二厂）有限公司 | Capacitive touch pad with comb-shaped electrode |
| US8384685B2 (en) | 2010-10-28 | 2013-02-26 | Au Optronics Corporation | Switchable three-dimensional display |
| CN105867710B (en) * | 2010-10-29 | 2019-10-11 | 三星显示有限公司 | The panel display apparatus of integrated touch screen panel |
| CN105867710A (en) * | 2010-10-29 | 2016-08-17 | 三星显示有限公司 | Flat panel display with integrated touch screen panel |
| CN102073161A (en) * | 2010-11-16 | 2011-05-25 | 友达光电股份有限公司 | Switchable stereoscopic display |
| CN102073161B (en) * | 2010-11-16 | 2013-01-30 | 友达光电股份有限公司 | Switchable stereoscopic display |
| CN104365027A (en) * | 2012-05-25 | 2015-02-18 | 蔡熊光 | Non-display signal coding method and matrix substrate |
| WO2013174186A1 (en) * | 2012-05-25 | 2013-11-28 | Tsai Hsiung-Kuang | Non-display signal coding method and matrix substrate |
| US9577712B2 (en) | 2012-05-25 | 2017-02-21 | Hsiung-Kuang Tsai | Non-display signal encoding method and matrix substrate |
| CN104365027B (en) * | 2012-05-25 | 2017-02-22 | 祥闳科技股份有限公司 | Non-display signal coding method and matrix substrate |
| CN103293748B (en) * | 2012-09-04 | 2016-01-20 | 上海天马微电子有限公司 | With CF substrate and the touch panel of touch function |
| CN103293748A (en) * | 2012-09-04 | 2013-09-11 | 上海天马微电子有限公司 | CF (Colour Film) baseplate with touch function and touch panel |
| WO2018205700A1 (en) * | 2017-05-11 | 2018-11-15 | 京东方科技集团股份有限公司 | Touch substrate, fabrication method therefor, display panel and display device |
| US11068103B2 (en) | 2017-05-11 | 2021-07-20 | Boe Technology Group Co., Ltd. | Touch substrate and method for manufacturing the same, display panel and display device |
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Open date: 20091111 |