CN102446040B - Resistance type touch control panel - Google Patents
Resistance type touch control panel Download PDFInfo
- Publication number
- CN102446040B CN102446040B CN201010502583.XA CN201010502583A CN102446040B CN 102446040 B CN102446040 B CN 102446040B CN 201010502583 A CN201010502583 A CN 201010502583A CN 102446040 B CN102446040 B CN 102446040B
- Authority
- CN
- China
- Prior art keywords
- layer
- type touch
- control panel
- capacitance type
- annular metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
The invention discloses a resistance type touch control panel, which comprises a tactile sensing plate, a transparent conductive layer, a ring-shaped metallic layer and a transparent thin film layer, wherein the tactile sensing plate comprises a substrate plate, a touch control component and an insulating layer; the touch control component is arranged on the substrate plate; the insulating layer is arranged on the touch control layer; the transparent conductive layer is completely covered on one surface of the insulating layer; the ring-shaped metallic layer is arranged on the transparent conductive layer, and the two layers are together coupled to a grounding end; and the transparent thin film layer is arranged on one side of the substrate opposite to the touch control component, and has a quarter-wave optical thickness and a refractive index smaller than that of the substrate plate.
Description
Technical field
The present invention relates to a kind of contact panel, and particularly relate to a kind of capacitance type touch-control panel.
Background technology
Capacitance type touch-control panel configures two groups of orthogonal patterned electrodes on single layer substrate or double layer substrate, when electrified body (as finger) causes the change of capacitance close to taking away electric current slightly during patterned electrodes, and the position at touch points place just learnt by controller by the change of capacitance.Touch-control display panel is then liquid crystal display and contact panel are fitted together, when contacting the graphic button on screen as user, haptic feedback system on screen can drive various hookup mechanism according to the formula of programming in advance, in order to replace mechanical push button panel, and lively visual and sound effects can be produced by display frame.
Because above-mentioned projected capacitive touch panel still cannot exempt electromagnetism and high frequency interference completely, therefore strengthening design must be carried out from panel and controller aspect.In addition; LCD screen mainly drives with AC power; when the intensity of alternating current and direction generating period change the change that also can cause contact panel induced electricity capacitance; and produce misoperation; in order to solve the problem of noise interference, usually can add the screen layer of one deck made by indium tin oxide (Shieldinglayer) and preventing mutual noise interference between contact panel and liquid crystal display.
But; as the effect for promoting interference resistant; usually can by increasing the thickness of screen layer to reduce its resistance value; but have other problems in response to and give birth to; the penetrance decline of such as contact panel, plated film time lengthening, plated film manufacture craft control the shortcoming such as not easily, can reduce display quality on the contrary and improve manufacturing cost.
Summary of the invention
The object of the present invention is to provide a kind of capacitance type touch-control panel, set up the low-resistance annular metal layer of a circle at transparency conducting layer edge, neither affect transmittance and noise more promptly can be connected to earth terminal again.
According to an aspect of the present invention, propose a kind of capacitance type touch-control panel, comprise tactile feel drafting board, transparency conducting layer, annular metal layer and transparent thin film layer.Tactile feel drafting board comprises substrate, touch control component and insulation course.Touch control component is arranged on substrate.Insulation course is arranged on touch control component.Transparency conducting layer is covered on insulation course all sidedly.Annular metal layer be formed at that transparency conducting layer corresponds to insulation course another on the surface, and be jointly coupled to earth terminal with transparency conducting layer.Transparent thin film layer is arranged at the side in contrast to touch control component on substrate, has quarter-wave optical thickness and is less than the refractive index of substrate index.Substrate is a transparent overlay.Tactile feel drafting board also comprises a decorative layer, is configured at the periphery of substrate.Annular metal layer corresponds to the region of decorative layer.
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below:
Accompanying drawing explanation
Fig. 1 is the side view of a kind of capacitance type touch control display panel of preferred embodiment of the present invention;
Fig. 2 A is the vertical view of a kind of capacitance type touch-control panel of preferred embodiment of the present invention;
Fig. 2 B is the upward view of a kind of capacitance type touch-control panel of preferred embodiment of the present invention;
Fig. 2 C is the stereographic map of a kind of capacitance type touch-control panel of preferred embodiment of the present invention;
Fig. 2 D is the cut-open view of the capacitance type touch-control panel cut along the profile line 2D-2D ' of Fig. 2 C;
Fig. 3 A is the test result figure of contact panel of the present invention;
Fig. 3 B is the test result figure of the contact panel of control group.
Main element symbol description
100: capacitance type touch control display panel
110: display module
120: contact panel
121: decorative layer
122: tactile feel drafting board
124: transparency conducting layer
126: annular metal layer
128: protective seam
130: transparent thin film layer
Embodiment
Preferred embodiment of the present invention discloses a kind of capacitance type touch control display panel, sets up the low-resistance annular metal layer of a circle, neither affect penetrance and noise more promptly can be connected to earth terminal again at transparency conducting layer edge.
Please refer to Fig. 1, it illustrates the side view of a kind of capacitance type touch control display panel according to preferred embodiment of the present invention.The capacitance type touch control display panel 100 of the present embodiment comprises display module 110 and is arranged at the contact panel 120 on display module 110, and wherein display module 110 can be LCD MODULE or other display modules.For LCD MODULE, backlight module provides light source, light is penetrated away by pixel substrate, liquid crystal layer and colored filter substrate, driving chip changes the anglec of rotation of pixel voltage and adjustable liquid crystal molecule, controls the light and shade color of each pixel thus and forms lively display frame; Can stop that backlight penetrates because driving chip or cabling are all lighttight material, usually can be arranged at around viewing area, product casing also can hide these internal wirings with opaque frame (as 121 of Fig. 2 A).
Please refer to Fig. 2 A ~ Fig. 2 C, Fig. 2 A illustrates the vertical view of a kind of capacitance type touch-control panel according to preferred embodiment of the present invention, Fig. 2 B illustrates the upward view of a kind of capacitance type touch-control panel according to preferred embodiment of the present invention, Fig. 2 C illustrates the stereographic map of a kind of capacitance type touch-control panel according to preferred embodiment of the present invention, and Fig. 2 D illustrates the cut-open view of the capacitance type touch-control panel that the profile line 2D-2D ' along Fig. 2 C cuts.Do not form according to actual ratio drafting it is noted that this illustrates a bit in order to each element of clear drafting.Contact panel 120 comprises tactile feel drafting board 122, transparency conducting layer 124, annular metal layer 126 and protective seam 128, and wherein tactile feel drafting board 122 is made up of transparent overlay and the touch control component be sequentially configured on transparent overlay and insulation course.Tactile feel drafting board 122 can have decorative layer 121, in order to hide driving chip or the cabling of contact panel 120, as shown in Figure 2 A.In addition for improving the anti-reflection effect of contact panel 120, more configure a transparent thin film layer 130 in transparent overlay in contrast to the surface of touch control component, wherein the optical thickness of transparent thin film layer 130 is quarter-wave, and the refractive index of transparent thin film layer 130 is less than the refractive index of transparent overlay, in this enforcement, transparent overlay is glass.
Please refer to Fig. 2 C and Fig. 2 D, transparency conducting layer 124 is covered in the lower surface of contact panel 120 all sidedly, and the material of transparency conducting layer 124 can be indium tin oxide or other transparent conductive materials; Annular metal layer 126 is formed on transparency conducting layer 124, annular metal layer 126 is preferably formed at the edge of transparency conducting layer 124, more preferably correspond within the scope of the shading of decorative layer 121, as shown in Figure 2 A and 2 B, owing to being the space utilizing touch-control display panel 100 to be natively used for hiding below the decorative layer of contact panel 120 internal wiring, and the space of viewing area need not be used, even if arrange annular metal layer 126, the aperture opening ratio of the touch-control display panel 100 of the present embodiment also can not be affected.
Owing to being coupled to earth terminal (not illustrating) as the transparency conducting layer 124 of screen layer, such as be connected in driving circuit in order to the pin of ground connection or signal processing unit with wire, the mode of its ground connection does not limit, and annular metal layer 126 is formed on transparency conducting layer 124 to electrically conduct with it, therefore the annular metal layer 126 of the present embodiment forms common ground, to shield the noise from display module 110 with the transparency conducting layer 124 of whole.
Annular metal layer 126 preferably face impedance is less than 30 Ω/mouth, the material of annular metal layer 126 can be selected from the combination of silver, molybdenum, aluminium, copper, chromium or above-mentioned metal, such as elargol or copper-foil conducting electricity, because the resistance value of annular metal layer 126 can come low than the resistance value of transparency conducting layer 124, noise more promptly can be connected to earth terminal.In addition, the resistance value of annular metal layer 126 also has relevant to thickness, and when not affecting assembling or plant bulk, the thickness of annular metal layer 126 is more thick better, because the thicker resistance value of thickness is less, just will gets over and can connect to earth terminal by noise fast.Fig. 2 C-Fig. 2 D does not draw according to actual ratio in order to each element of clear expression to form; when the material of annular metal layer 126 is copper-foil conducting electricity; as long as its thickness 3 μm is even less just can produce the effect (please refer to experimental result described later) reducing noise; also can not more than 10 μm even if add protective seam 128, so set up the integral thickness that annular metal layer and protective seam change tactile feel drafting board 122 hardly.
Please refer to Fig. 2 D; protective seam 128 is covered in annular metal layer 126 surface; protective seam 128 is made up of insulating material, such as, be insulating gel, monox, liquid insulating material, transparent insulation material or other non-conductive materials, and annular metal layer 126 is electrically insulated with the display module 110 of below.
The annular metal layer below enumerating several groups of the results show the present embodiment truly has the effect of shielding noise.The contact panel of the present embodiment is coated with indium tin oxide layer and annular conductive Copper Foil, and copper thickness is about 3 μm, and the contact panel of control group is then only coated with indium tin oxide layer.
The noise that waveform generator simulant display model produces, connects the signal of 500mV to Copper Foil or indium tin oxide layer, and records the noise that two groups of contact panels sense.
Fig. 3 A is the test result of the contact panel of the present embodiment, and Fig. 3 B is the test result of the contact panel of control group; Transverse axis is the package number received, and the longitudinal axis is the amplitude of noise.Referring to Fig. 3 A, under identical interference source, the noise that the contact panel of the present embodiment senses is between 188 to 187, and its amplitude is 1, and the noise that the contact panel of control group senses is between 187 to 182, and its amplitude is 5.Can demonstrate,proving thus, the contact panel of the present embodiment, by transparency conducting layer 124 configuring the shielding design of annular metal layer 126, the effect of shielding noise can be improved.
Capacitance type touch-control panel disclosed by the above embodiment of the present invention has multiple advantages, only enumerates certain advantages below and is described as follows:
1. the present embodiment shields noise jointly by the transparency conducting layer of annular metal layer and whole, the resistance value that the design tool compared to existing single-layer shield layer is lower, noise more promptly can be connected to earth terminal.
2. the annular metal layer of the present embodiment is arranged at the space that touch-control display panel is natively used for hiding below the dark border of display module internal wiring, even if arrange annular metal layer, aperture opening ratio and the penetrance of the touch-control display panel of the present embodiment also can not be affected.
In sum, although disclose the present invention in conjunction with an above preferred embodiment, however itself and be not used to limit the present invention.Be familiar with this operator in the technical field of the invention, without departing from the spirit and scope of the present invention, can be used for a variety of modifications and variations.Therefore, what protection scope of the present invention should define with the claim of enclosing is as the criterion.
Claims (8)
1. a capacitance type touch-control panel, comprising:
Tactile feel drafting board, comprises:
Substrate;
Touch control component, is arranged on this substrate; And
Insulation course, is arranged on this touch control component;
Transparency conducting layer, is covered on this insulation course all sidedly;
Annular metal layer, be formed at that this transparency conducting layer corresponds to this insulation course another on the surface, and be jointly coupled to an earth terminal with this transparency conducting layer; And
Transparent thin film layer, is arranged at the side in contrast to this touch control component on this substrate, has quarter-wave optical thickness and is less than the refractive index of this substrate index;
Wherein this substrate is a transparent overlay; This tactile feel drafting board also comprises a decorative layer, is configured at the periphery of this substrate, and this annular metal layer corresponds to the region of this decorative layer.
2. capacitance type touch-control panel as claimed in claim 1, wherein the face impedance of this annular metal layer is less than 30 Ω.
3. capacitance type touch-control panel as claimed in claim 1, wherein the material of this annular metal layer is selected from the combination of silver, molybdenum, aluminium, copper, chromium or above-mentioned metal.
4. capacitance type touch-control panel as claimed in claim 1, wherein this annular metal layer is an elargol.
5. capacitance type touch-control panel as claimed in claim 1, wherein this annular metal layer is a copper-foil conducting electricity.
6. capacitance type touch-control panel as claimed in claim 1, also comprises a protective seam, is covered in this annular metal layer surface.
7. capacitance type touch-control panel as claimed in claim 6, wherein this protective seam is made up of an insulating material.
8. capacitance type touch-control panel as claimed in claim 1, wherein the material of this transparency conducting layer is indium tin oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502583.XA CN102446040B (en) | 2010-10-11 | 2010-10-11 | Resistance type touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502583.XA CN102446040B (en) | 2010-10-11 | 2010-10-11 | Resistance type touch control panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102446040A CN102446040A (en) | 2012-05-09 |
| CN102446040B true CN102446040B (en) | 2015-02-18 |
Family
ID=46008588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010502583.XA Expired - Fee Related CN102446040B (en) | 2010-10-11 | 2010-10-11 | Resistance type touch control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102446040B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106775065A (en) * | 2016-11-28 | 2017-05-31 | 昆山国显光电有限公司 | A kind of contact panel |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105426028A (en) * | 2015-11-16 | 2016-03-23 | 珠海格力电器股份有限公司 | Touch equipment and electric appliance |
| TWI669816B (en) * | 2018-04-18 | 2019-08-21 | 友達光電股份有限公司 | Tiling display panel and manufacturing method thereof |
| CN116897331A (en) * | 2022-01-29 | 2023-10-17 | 京东方科技集团股份有限公司 | Touch panel and touch device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2090967A1 (en) * | 2008-02-18 | 2009-08-19 | TPK Touch Solutions Inc. | Capacitive touch panel |
| CN201465086U (en) * | 2009-07-03 | 2010-05-12 | 深圳市汇顶科技有限公司 | Anti-interference capacitive touch screen and electronic device |
| CN101819480A (en) * | 2009-02-26 | 2010-09-01 | 佛山市顺德区汉达精密电子科技有限公司 | Display device and touch control module thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576793A (en) * | 2009-01-12 | 2009-11-11 | 深圳市中显微电子有限公司 | Capacitance touch screen and preparation method thereof |
-
2010
- 2010-10-11 CN CN201010502583.XA patent/CN102446040B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2090967A1 (en) * | 2008-02-18 | 2009-08-19 | TPK Touch Solutions Inc. | Capacitive touch panel |
| CN101819480A (en) * | 2009-02-26 | 2010-09-01 | 佛山市顺德区汉达精密电子科技有限公司 | Display device and touch control module thereof |
| CN201465086U (en) * | 2009-07-03 | 2010-05-12 | 深圳市汇顶科技有限公司 | Anti-interference capacitive touch screen and electronic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106775065A (en) * | 2016-11-28 | 2017-05-31 | 昆山国显光电有限公司 | A kind of contact panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102446040A (en) | 2012-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI585659B (en) | Capacitive touch panel and method for fabricating touch panel reducing visibility of its metal conductor | |
| CN104635981B (en) | Touch module and the touch control display apparatus with the touch module | |
| US9086766B2 (en) | Touch panel and touch display panel | |
| CN104615316B (en) | Touch control panel device | |
| CN103699255B (en) | It is integrated with the display device of touch screen | |
| CN103975299B (en) | Touch panel substrate and display device | |
| CN103186271B (en) | Contact panel and preparation method thereof | |
| US20110032207A1 (en) | Capacitive touch sensor | |
| TW201715365A (en) | Touch display device and driving method thereof | |
| TW201324003A (en) | Touch display panel | |
| TWM442544U (en) | Touch panel | |
| CN106445261A (en) | Touch display device | |
| US10175836B2 (en) | Conductive sheet, touch panel device, and display device | |
| CN104571678A (en) | Touch panel | |
| CN204203917U (en) | Embedded display touch structure | |
| TWM473556U (en) | Narrow border embedded display touch structure with high accuracy | |
| KR20110120046A (en) | Touch screen panel and display device having the same | |
| CN102446040B (en) | Resistance type touch control panel | |
| TWM466307U (en) | Embedded display touch structure with narrow border | |
| JP6735850B2 (en) | Capacitive sensor and equipment | |
| CN206209685U (en) | A kind of touch display screen and display device | |
| CN104076991B (en) | A kind of touch-screen, touch display panel and touch display unit | |
| CN204270269U (en) | Contact panel and touch control display panel | |
| CN104281307B (en) | Touch panel | |
| KR102199613B1 (en) | Touch panel and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20161011 |