CN202422098U - Resistance type touch screen display module - Google Patents
Resistance type touch screen display module Download PDFInfo
- Publication number
- CN202422098U CN202422098U CN 201120536655 CN201120536655U CN202422098U CN 202422098 U CN202422098 U CN 202422098U CN 201120536655 CN201120536655 CN 201120536655 CN 201120536655 U CN201120536655 U CN 201120536655U CN 202422098 U CN202422098 U CN 202422098U
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- touch screen
- screen
- polaroid
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- display
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Abstract
The utility model discloses a resistance type touch screen display module which comprises a display screen, a lower polaroid arranged under the display screen and a touch screen provided with a polarizing function and arranged above the display screen. The touch screen with the polarizing function comprises a surface protective membrane, a first protective layer, a polarizer, a second protective layer, an indium tin oxide (ITO) coating layer and a touch screen substrate which are laminated from top to bottom, wherein insulating gap points are arranged between the touch screen substrate and the ITO coating layer. The polarizer having the polarizing function in an upper polaroid of the existing display module in the prior art is moved to the position between two protective layers of the touch screen, so that the upper polaroid and the adhering technology of the upper polaroid are saved, and the aims of reducing the thickness of the resistance type touch screen display module and saving the cost of the touch screen module are achieved.
Description
Technical field
The utility model relates to the display technique field, specifically, relates to a kind of demonstration module of resistive touch screen.
Background technology
Along with the develop rapidly of display technique, touch-screen display spreads in people's the life gradually.Touch-screen generally is divided into capacitive touch screen and resistive touch screen.Wherein, resistive touch screen is with respect to capacitive touch screen, and is more popular, also practical, because most of compatriots still prefer with handwriting input; And resistance screen (abbreviation of resistive touch screen) is not affected by environment, cheap basically, is the main flow touch screen material of intelligent machine instantly.
As shown in Figure 1, the structure of existing resistive touch screen generally comprises ITO Film (indium tin oxide semiconductive thin film) 10, substrate 40, is arranged on carriage glue 30 and gap point 20 between ITO Film10 and the substrate 40; As shown in Figure 2, wherein, said ITO Film10 comprises stacked successively upper epidermis 11, upper strata pet layer 12, lower floor's pet layer 13 and following top layer ITO coating 14.The principle of work of resistive touch screen is to be provided with the ITO coating at substrate and the ITO Film place of being close to.The employed material of ITO coating generally is a transparent conductive material, and is middle with the support of clearance for insulation point, when external force acts on ITO Film; ITO Film distortion; Make the ITO of ITO Film touch the ITO coating, thus conducting, through the CPU crossing operation; Can obtain the horizontal ordinate value of physics of a point, realize touch function.
In addition; Operated by rotary motion has polaroid between said display screen and the touch-screen; Its structure is as shown in Figure 3, comprises stacked successively surface protection film, protective seam (TAC), polarisation (PVA), protective seam (TAC), sticker (PSA) and mould release membrance (Liner).Said polarisation (PVA) layer is the core layer of polaroid, and this layer has and transfers non-polar light to polarized light, and the polarized light that will be parallel to its polarizing axis sees through, and does not see through perpendicular to the polarized light of its polarizing axis.Thereby this layer ratio is easier to be damaged and loses polarity, so need two-layer protective seam (TAC) to protect, attaches smooth with sticker with mould release membrance (Liner) again.Said polaroid generally comprises polaroid and following polaroid, and is as shown in Figure 4, last polaroid be arranged on display screen above, following polaroid be arranged on display screen below.Its principle of work is following: the light that light source sends rises partially through following polaroid, and direction-free light is become polarized light; Liquid crystal molecule in the LCDs (representing with LC cell among the figure) reverses the rotation direction of polarized light perhaps constant under effect of electric field; Through the polarized light after the liquid crystal display effect again through last polaroid, this on polaroid and a folk prescription of before following polaroid to vertical, thereby confirm according to rotation direction whether light can pass through; Light is through being bright then, and it then is dark not passing through, thereby shows the content of pixel on the liquid crystal display; This wherein; Liquid crystal display has played the effect of light switch, and wherein, the layer structure of last polaroid, following polaroid and conventional touch screen all introduced in the above; Simple in order to describe, just described no longer one by one here.
Can be known that by foregoing existing resistive touch screen shows that module comprises a lot of layers, the thickness of its entire module is higher, cost is also higher.Therefore, how can reduce resistive touch screen and show that the thickness of module and cost become one of research direction that shows module.
In view of this, prior art is still waiting to improve and improve.
The utility model content
The purpose of the utility model provides a kind of resistive touch screen and shows module, shows to solve resistive touch screen of the prior art that the thickness of its entire module of module is higher, also problem of higher of cost.
For achieving the above object, the technical scheme that the utility model is taked is following:
A kind of resistive touch screen shows module; Comprise display screen and the following polaroid that is arranged on the display screen below; Wherein, Also comprise the touch-screen with polarisation effect that is arranged on the display screen top, said touch-screen with polarisation effect comprises stacked surface protection film, first protective seam, polarisation, second protective seam, ITO coating and touch screen base plate from top to bottom, is provided with carriage glue and gap point between said touch screen base plate and the ITO coating.
Described resistive touch screen shows module, and wherein, said display screen is a LCD display.
Described resistive touch screen shows module, wherein, also comprises the light source that is arranged on down the polaroid below.
Described resistive touch screen shows module, wherein, is provided with sticker between said touch screen base plate and the display screen.
Compared with prior art; The resistive touch screen that the utility model provides shows module; Comprise display screen, be arranged on the following polaroid of display screen below and be arranged on the touch-screen with polarisation effect of display screen top; Said touch-screen with polarisation effect comprises stacked surface protection film, first protective seam, polarisation, second protective seam, ITO coating and touch screen base plate from top to bottom, is provided with carriage glue and gap point between said touch screen base plate and the ITO coating.The resistive touch screen of the utility model shows that module moves to polarisation that plays the polarisation effect in the last polaroid in the demonstration module of prior art between the two-layer protective seam of touch-screen; And saved last polaroid; Also saved simultaneously the attachment process of last polaroid; Show module thickness thereby reached the reduction resistive touch screen, save the purpose of touch-screen module cost.
Description of drawings
Fig. 1 is the structural representation of resistive touch screen of the prior art.
Fig. 2 is the ITO Film layer decomposition texture synoptic diagram in the resistive touch screen of the prior art.
Fig. 3 is the hierarchy synoptic diagram of polaroid of the prior art.
Fig. 4 is the hierarchy synoptic diagram that resistive touch screen of the prior art shows module.
Fig. 5 is the hierarchy synoptic diagram that the resistive touch screen of the utility model shows module.
Embodiment
The utility model provides a kind of resistive touch screen to show module, for purpose, technical scheme and the effect that makes the utility model is clearer, clear and definite, below with reference to accompanying drawing, the specific embodiment that develops simultaneously is to the utility model further explain.
See also Fig. 5, it is the hierarchy synoptic diagram of the resistive touch screen demonstration module of the utility model.As shown in the figure, the resistive touch screen of the utility model shows that module comprises display screen 100, is arranged on the following polaroid 200 of display screen 100 belows and is arranged on the touch-screen with polarisation effect 300 of display screen 100 tops;
Particularly; Said display screen 100 can be LCD display (LCD panel); Said LCD display is that a kind of liquid crystal that adopts is the display screen of material, under electric field action, and the variation that liquid crystal molecule can be arranged; Thereby influence changes through its light, and the variation of this light can show as the variation of light and shade through the effect of polaroid.Like this, people change through the light and shade of the control of electric field finally having been controlled light, thereby reach the order of display image.Because LCD display itself is not luminous, so, must below LCD display, be provided with light source, adopt as the one of which LED as light emitting source.Between light source and display screen, be provided with polaroid 200 down, its structure adopts existing polaroid structure, comprises successively from the bottom to top: protective seam (TAC) 210, polarisation (PVA) 220, protective seam (TAC) 210, sticker (PSA) 230; Because of it is a prior art, so just repeated no more.
The touch-screen with polarisation effect 300 that is arranged on display screen 100 tops is the key point of the utility model; It is based on an idea: in polaroid; What play a major role is PVA polarisation (also claiming the PVA polarizing layer), and protective seam (TAC) just is used to protect the PVA surface moisture free; And the upper strata pet layer of touch-screen and lower floor's pet layer also can be protected said PVA.Based on above-mentioned consideration, the PVA layer of last polaroid is moved between the upper strata pet layer and lower floor's pet layer of resistive touch screen, so, promptly reduce the thickness of the whole module of band touch-screen, also reduced the quantity of diaphragm, play cost-effective effect.
So; The touch-screen with polarisation effect 300 of the utility model comprises stacked surface protection film 310, first protective seam 320, polarisation 330, second protective seam 340, ITO coating 350 and touch screen base plate 360 from top to bottom successively; Be provided with clearance for insulation point 370 (being also to be provided with insulation frame glue) between said touch screen base plate 360 and the ITO coating 350 with being to be understood that.Has gap 400 between said touch-screen 300 with polarisation effect and the following polaroid 200.
Specifically, the upper epidermis among the ITO Film that said surface protection film 310 is a prior art, first protective seam 320 is equivalent to the upper strata pet layer among the ITO Film, and second protective seam 340 is equivalent to the lower floor's pet layer among the ITO Film; Simultaneously, first protective seam 320, second protective seam 340 also play a protective role (two protective seam TAC that promptly are equivalent to original polaroid) to polarisation 330 that is arranged on wherein, between ITO coating 350 and the touch screen base plate 360 the ITO coating are arranged all; Under external force; The ITO coating is in contact with one another (at this moment, 370 distortion of clearance for insulation point), thus conducting; Pass through the CPU crossing operation again, obtain the horizontal ordinate value of physics of a point.
Compare with the resistive touch screen demonstration module of prior art; The sub-PVA of polarisation that plays the polarisation effect in the last polaroid in the demonstration module of prior art is moved between the two-layer protective seam (first protective seam 320, second protective seam 340) of resistive touch screen; And saved last polaroid; Simultaneously also saved the attachment process of last polaroid, shown module thickness, saved the purpose of module cost thereby reached the reduction resistive touch screen.
Further, be provided with sticker 380 between said touch screen base plate and the display screen, be used for resistive touch screen and display screen are glued together.
In sum; The resistive touch screen that the utility model provides shows module; Comprise display screen, be arranged on the following polaroid of display screen below and be arranged on the touch-screen with polarisation effect of display screen top; Said touch-screen with polarisation effect comprises stacked surface protection film, first protective seam, polarisation, second protective seam, ITO coating and touch screen base plate from top to bottom, is provided with carriage glue and clearance for insulation point between said touch screen base plate and the ITO coating.The resistive touch screen of the utility model shows that module moves to polarisation that plays the polarisation effect in the last polaroid in the demonstration module of prior art between the two-layer protective seam of touch-screen; And saved last polaroid; Also saved simultaneously the attachment process of last polaroid; Show module thickness thereby reached the reduction resistive touch screen, save the purpose of touch-screen module cost.
It is understandable that; Concerning those of ordinary skills; Can be equal to replacement or change according to the technical scheme and the utility model design thereof of the utility model, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.
Claims (5)
1. a resistive touch screen shows module; Comprise display screen and the following polaroid that is arranged on the display screen below; It is characterized in that; Also comprise the touch-screen with polarisation effect that is arranged on the display screen top, said touch-screen with polarisation effect comprises stacked surface protection film, first protective seam, polarisation, second protective seam, ITO coating and touch screen base plate from top to bottom, is provided with the clearance for insulation point between said touch screen base plate and the ITO coating.
2. resistive touch screen according to claim 1 shows module, it is characterized in that said display screen is a LCD display.
3. resistive touch screen according to claim 1 shows module, it is characterized in that, also comprises the light source that is arranged on down the polaroid below.
4. resistive touch screen according to claim 1 shows module, it is characterized in that, is provided with sticker between said touch screen base plate and the display screen.
5. resistive touch screen according to claim 1 shows module, it is characterized in that, is provided with carriage glue between said touch screen base plate and the ITO coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120536655 CN202422098U (en) | 2011-12-20 | 2011-12-20 | Resistance type touch screen display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120536655 CN202422098U (en) | 2011-12-20 | 2011-12-20 | Resistance type touch screen display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202422098U true CN202422098U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120536655 Expired - Fee Related CN202422098U (en) | 2011-12-20 | 2011-12-20 | Resistance type touch screen display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202422098U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389891A (en) * | 2013-08-05 | 2013-11-13 | 信利光电股份有限公司 | Display terminal |
| WO2015149264A1 (en) * | 2014-04-01 | 2015-10-08 | 华为终端有限公司 | Touch screen, display screen and method of manufacturing touch screen |
| EP2942660A4 (en) * | 2013-01-03 | 2016-08-10 | Samsung Electronics Co Ltd | Liquid crystal display device, and method for manufacturing same |
| CN108022533A (en) * | 2016-11-02 | 2018-05-11 | 群创光电股份有限公司 | Display device and its manufacture method |
-
2011
- 2011-12-20 CN CN 201120536655 patent/CN202422098U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2942660A4 (en) * | 2013-01-03 | 2016-08-10 | Samsung Electronics Co Ltd | Liquid crystal display device, and method for manufacturing same |
| CN103389891A (en) * | 2013-08-05 | 2013-11-13 | 信利光电股份有限公司 | Display terminal |
| WO2015149264A1 (en) * | 2014-04-01 | 2015-10-08 | 华为终端有限公司 | Touch screen, display screen and method of manufacturing touch screen |
| CN108022533A (en) * | 2016-11-02 | 2018-05-11 | 群创光电股份有限公司 | Display device and its manufacture method |
| CN108022533B (en) * | 2016-11-02 | 2020-11-10 | 群创光电股份有限公司 | Display device and method of manufacturing the same |
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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: 516003 Guangdong province Huizhou Jiangbei Road No. 21 Yunshan Yunshan Industrial Zone No. nine TCL Co-patentee after: Huizhou Techne Group Co., Ltd. Patentee after: Hua Hin photoelectric technology (Huizhou) Co., Ltd. Address before: 516003 Guangdong province Huizhou Jiangbei Road No. 21 Yunshan Yunshan Industrial Zone No. nine TCL Co-patentee before: Huizhou Techne Group Co., Ltd. Patentee before: TCL Display Technology (Huizhou) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |