CN104793789A - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN104793789A CN104793789A CN201510147059.8A CN201510147059A CN104793789A CN 104793789 A CN104793789 A CN 104793789A CN 201510147059 A CN201510147059 A CN 201510147059A CN 104793789 A CN104793789 A CN 104793789A
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- touch
- control
- sensing structure
- protective film
- display apparatus
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Abstract
The invention provides a touch display device which is provided with a touch display region and a non-touch display region. The touch display region comprises a frame, a protective film and a touch induction structure. The protective film adheres to the touch induction structure so as to protect the touch induction structure. The frame comprises an opening corresponding to the touch display region and a border located in the non-touch display region. An external object can directly make contact with the protective film to execute the touch action through the opening, and the border makes contact with the surface of the protective film to fix the protective film, wherein the distance between the surface, away from the touch induction structure, of the protective film and the touch induction structure ranges from 0.025 mm to 0.35 mm.
Description
Technical field
The present invention relates to a kind of touch control display apparatus.
Background technology
Along with the development of electronic technology, the consumption electronic products such as mobile phone, portable computer, personal digital assistant (PDA), panel computer, media player all adopt contact panel as input equipment mostly, have more friendly man-machine interaction mode to make product.According to the difference of its touch-control principle, contact panel comprises electric resistance touch-control panel, capacitance type touch-control panel, infrared type contact panel and sound wave type contact panel etc.At present, widely used contact panel comprises the contact panels such as resistance-type, condenser type, optical profile type, acoustic wave.Wherein, especially more extensive with the application of capacitance type touch-control panel.Capacitance type touch-control panel because its touch-control sensitivity is good, long service life, not easily by advantages such as outer signals interference, be widely used in various consumption electronic products.Above-mentioned various types of touch control display apparatus, has the higher cover-plate glass of a transparency (cover glass, CG) mostly as display window.But have certain intensity for making touch control display apparatus and avoid CG too easily to break, CG must keep certain thickness, so then the slimming of unfavorable touch control display apparatus.
Summary of the invention
For overcoming the above problems, be necessary to provide a kind of thinner touch control display apparatus.
Touch control display apparatus provided by the invention, has a touch-control viewing area and a non-touch-control viewing area.This touch control display apparatus comprises a framework, one protective film, one touch-control sensing structure, this protective film is bonding with this touch-control sensing structure, to protect this touch-control sensing structure, this framework comprises the opening of corresponding touch-control viewing area and is positioned at the frame of this non-touch-control viewing area, this opening makes external object directly can contact this protective film to perform touch-control action, the surface contact of this frame and this protective film is to fix this protective film, wherein, this protective film is 0.025 millimeter to 0.35 millimeter away from a surperficial distance to this touch-control sensing structure of this touch-control sensing structure.
Compared to prior art; touch control display apparatus of the present invention uses protective film to substitute the cover-plate glass of conventional touch display device; for the protection of touch-control sensing structure, effectively can reduce the thickness of this touch control display apparatus, be conducive to the slimming of this touch control display apparatus.
Accompanying drawing explanation
Fig. 1 is the solid assembling schematic diagram of the touch control display apparatus that first embodiment of the invention provides.
Fig. 2 is the perspective exploded view of the touch control display apparatus shown in Fig. 1.
Fig. 3 is the cross-sectional view of described touch control display apparatus along the III-III tangent line shown in Fig. 1.
Fig. 4 is the specific layer level structure schematic diagram of the touch-control sensing structure shown in Fig. 1 in an embodiment.
Fig. 5 is the specific layer level structure schematic diagram of touch-control sensing structure described in another embodiment.
Fig. 6 is the cross-sectional view of touch control display apparatus described in the second embodiment.
Fig. 7 is the solid assembling schematic diagram of the touch control display apparatus that third embodiment of the invention provides.
Fig. 8 is the perspective exploded view of the touch control display apparatus shown in Fig. 7.
Fig. 9 is the cross-sectional view of described touch control display apparatus along the IX-IX tangent line shown in Fig. 7.
Main element symbol description
| Touch control display apparatus | 100，200 |
| Non-touch-control viewing area | 101，201 |
| Touch-control viewing area | 102，202 |
| Framework | 11，21 |
| Protective film | 12 |
| Touch-control sensing structure | 13，23 |
| Display module | 14，24 |
| Housing | 15，25 |
| Flexible circuit board | 131，231 |
| Control chip | 132，232 |
| First colloid layer | 16，26 |
| Second colloid layer | 17，27 |
| Upper surface | 111，211 |
| Lower surface | 112，212 |
| Inclined-plane | 113，213 |
| First touch control electrode | 1301，1311 |
| Second touch control electrode | 1302，1312 |
| The first film material | 1303 |
| Second film material | 1304 |
| Insulation course | 1305 |
| Dielectric base | 1313 |
| First polaroid | 241 |
| Display panels | 242 |
| Second polaroid | 243 |
| Backlight module | 244 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Touch control display apparatus provided by the invention mainly uses protective film to substitute the cover-plate glass (cover glass, CG) of touch control display apparatus in prior art, and then reduces the thickness of touch control display apparatus.For ease of understanding, be described in further detail below in conjunction with specific embodiment and diagram.
Can understand this embodiment further for making to have the knack of person of ordinary skill in the field, hereafter spy enumerates preferred embodiment, and coordinates accompanying drawing, describes the constitution content of embodiment in detail.Should be noted accompanying drawing only for the purpose of description, do not map according to life size.In addition, terms such as such as " first " and " second " that use in the text, only in order to distinguish the differently composed part in embodiment, and is not the restriction of the generation order to component part representated by it.In addition, use in literary composition " on ", the orientation of the term such as D score, "left", "right" instruction or position relationship be the description done based on orientation shown in the drawings or position relationship, it is the simplified characterization of embodiment for convenience of explanation, instead of indicate or imply the particular orientation that institute's finger element must have or with specific azimuth configuration and operation, therefore can not be interpreted as the restriction to embodiment.
Refer to Fig. 1, Fig. 1 is the solid assembling schematic diagram of the touch control display apparatus 100 that first embodiment of the invention provides.This touch control display apparatus 100 can be the consumption electronic products such as mobile phone, panel computer, camera, notebook computer, it touch-control viewing area 102 comprising non-touch-control viewing area 101 and connect this non-touch-control viewing area 101.Especially, when this touch control display apparatus 100 is notebook computer, is appreciated that this case diagram only illustrates the display main body of notebook computer, does not illustrate keyboard body and the pin-jointed structure between display main body and keyboard body.
Refer to Fig. 2, Fig. 2 is the perspective exploded view of the touch control display apparatus shown in Fig. 1.
This touch control display apparatus 100 comprises framework 11, protective film 12, touch-control sensing structure 13, display module 14 and housing 15.This framework 11 complements each other to form a receiving space with housing 15, for accommodating this protective film 12, touch-control sensing structure 13 and display module 14.Module 14 is sequentially stacked is arranged in this receiving space for this protective film 12, touch-control sensing structure 13 and display.This touch-control this answer structure 13 between this protective film 12 and this display module 14.This protective film 12 is bonding with this touch-control sensing structure 13 by the first colloid layer 16, and this touch-control sensing structure 13 is bonding with this display module 14 by the second colloid layer 17.In other embodiments, described first colloid layer 16 can be structure as a whole with this protective film 12.Also namely, this first colloid layer 16 is as a part for this protective film 12.Such as, this first colloid layer 16 is attached on this protective film 12 by a release film.When bonding, tear this release film, the bonding of protective film 12 and touch-control sensing structure 13 can be realized.
In the present embodiment, the material of this first colloid layer 16 and the second colloid layer 17 such as, for being preferably transparent material, optical clear tackifier (Optical Clear Adhesive, OCA) or optical clear resin (Optical Clear Resin, OCR).
This framework 11 has the opening corresponding with the touch-control viewing area 102 of touch control display apparatus 100 and at least one frame corresponding with the non-touch-control viewing area 101 of touch control display apparatus 100.Preferably, in the present embodiment, this framework 11 is the hollow structure formed by four end to end frames, makes external object directly can contact this protective film 12 to perform touch-control action.Wherein, these four frames are corresponding with the non-touch-control viewing area 101 of this touch control display apparatus 100.
Refer to Fig. 3, Fig. 3 is that touch control display apparatus 100 described in one first embodiment is along the cross-sectional view of the II-II tangent line shown in Fig. 2.
Described display module 14 is positioned at a surface of housing 15.Described touch-control sensing structure 13 is positioned at the side of this display module 14 away from housing 15.Described protective film 12 is positioned at the side of this touch-control sensing structure 13 away from this display module 14.Described framework 11 be positioned at this protective film 12 away from the side of touch-control sensing structure 13 and with the surface contact of this protective film 12.The frame of this framework 11 comprises relative upper surface 111 and lower surface 112 and the inclined-plane 113 between this upper surface 111 and lower surface 112.This inclined-plane 113 has an angle with this lower surface 112, and this angle is acute angle.Preferably, in the present embodiment, this angle is 5 to 30 degree.Also namely, the seal ring thickness of this framework 11 is thinning gradually from the bearing of trend of 101 to the touch-control viewing area, non-touch-control viewing area 102 of touch control display apparatus 100, is beneficial to this protective film 12 of pressing better.
In the present embodiment, described protective film 12 for the protection of touch-control sensing structure 13, and is made up of transparent thin-film material.Such as, this protective film 12 can be polyethylene terephthalate (polyethylene terephthalate, PET) film or explosion-proof film (anti-scattering film, ASF).Preferably, this protective film 12 is explosion-proof film.
In addition, find through experiment, the distance of finger distance touch-control sensing structure 13,0.025 millimeter to 0.35 millimeter time, has preferably touch-control effect.Therefore, in the present embodiment, this protective film 12 is 0.025 millimeter to 0.35 millimeter away from a surperficial distance to this touch-control sensing structure 13 of touch-control sensing structure 13.Also namely, the bee-line of distance touch-control sensing structure 13 when the thickness sum t(of this protective film 12 and the first colloid layer 16 and finger manipulation) be 0.025 millimeter to 0.35 millimeter.Preferably, this protective film 12 is 0.025 millimeter to 0.25 millimeter away from a surperficial distance to this touch-control sensing structure 13 of touch-control sensing structure 13 or is 0.175 to 0.25 millimeter.And the thickness of the cover-plate glass of traditional touch control display apparatus generally has 0.7 millimeter, therefore, protective film 12 alternative cover glass sheet is used more to be conducive to the slimming of touch control display apparatus.Such as, the thickness of this protective film 12 is 0.2 millimeter, and the thickness of this first colloid layer 16 is 0.05 millimeter.
Described touch-control sensing structure 13 is by a flexible circuit board 131(FPC) be connected to a control chip 132.This control chip 132 can be the touch chip of this touch control display apparatus 100.
As shown in Figure 4, be the specific layer level structure schematic diagram of this touch-control sensing structure 13 in an embodiment.In this embodiment, this touch-control sensing structure 13 comprises the first touch control electrode 1301 being formed at the first film material 1,303 one surface and the second touch control electrode 1302 being formed at the second film material 1,304 one surface.By insulation course 1305 insulated separation between this first film material 1303 and second film material 1304.This first touch control electrode 1301, the first film material 1303, insulation course 1305, second film material 1304 and the second touch control electrode 1302 are cascading by order from top to bottom.This first touch control electrode 1301 and the second touch control electrode 1302 can be made up of mesh metal line (metal mesh), thus this touch-control sensing structure 13 forms MFF(metal+film+film) structure.Change ground, this first touch control electrode 1301 and the second touch control electrode 1302 also can be made up of transparent conductive material.Or one of them of this first touch control electrode 1301 and the second touch control electrode 1302 is by mesh metal line processing procedure, and another is made up of transparent conductive material.Preferably, this transparent conductive material is tin indium oxide (indium tin oxide, ITO).
As shown in Figure 5, be the specific layer level structure schematic diagram of touch-control sensing structure 13 described in another embodiment.In this embodiment, this touch-control sensing structure 13 comprises the first touch control electrode 1311 and the second touch control electrode 1312 being formed at relative two surfaces of dielectric base 1313 respectively.This dielectric base 1313 can be a film substrate.Preferably, this first touch control electrode 1311 and the second touch control electrode 1312 are made up of transparent conductive material (as ITO), so form DITO(double side ITO) touch-control sensing structure 13 of structure.Change ground, this first touch control electrode 1311 and the second touch control electrode 1312 also can have metal mesh to make, or this first touch control electrode 1311 and the second touch control electrode 1312 one of them make another by ITO and be made up of metal mesh.
Institute Fig. 4 and Fig. 5 that it should be noted that is only for illustrating, in actual product, this touch-control sensing structure 13 also can be the structure of other type, and is not limited to the concrete mode that Fig. 4 and Fig. 5 show.
In addition, described second colloid layer 17 is a flood structure, for realizing touch-control sensing structure 13 and the full laminating showing module 14, and the surface that this touch-control sensing structure 13 of its paving be combined with each other with display module 14.Change ground, such as, shown in Fig. 6, this second colloid layer 17 also can be a hollow " mouth " font structure.Such as, this second colloid layer 17 can be made up of four end to end bonding portions.So, there is between this display module 14 and this touch-control sensing structure 13 a sealing gas layer, thus this display module 14 is be combined with each other by the mode of air bonding with touch-control sensing structure 13, can save the material cost of the second colloid layer 17.
In sum, in the embodiment of the present invention, use protective film 12 to substitute the cover-plate glass of conventional touch display device, effectively can reduce the thickness of this touch control display apparatus 100.And using framework 11 pressing to fix this protective film 12, the frame of this framework 11 is arranged at the non-touch-control viewing area 101 of touch control display apparatus 100, has shaded effect.Therefore, on protective film 12 without the need to republishing light screening material (as ink).So; thickness need not be increased for bonding protective film 12 and first colloid layer 16 of touch-control sensing structure 13 and go to fill up poor because printing the section that light screening material produces; thus the first colloid layer 16 can do thinner further, is conducive to the slimming of touch control display apparatus 100.
Please shown in Fig. 7, Fig. 7 is the solid assembling schematic diagram of the touch control display apparatus 200 that third embodiment of the invention provides.This touch control display apparatus 200 can be the consumption electronic products such as mobile phone, panel computer, camera, notebook computer, it touch-control viewing area 202 comprising non-touch-control viewing area 201 and connect this non-touch-control viewing area 201.Especially, when this touch control display apparatus 100 is notebook computer, is appreciated that this case diagram only illustrates the display main body of notebook computer, does not illustrate keyboard body and the pin-jointed structure between display main body and keyboard body.
Refer to Fig. 8, Fig. 8 is the perspective exploded view of the touch control display apparatus 200 shown in Fig. 7.
This touch control display apparatus 200 comprises framework 21, touch-control sensing structure 23, display module 24 and housing 25.This framework 21 complements each other to form a receiving space with housing 25, for accommodating this touch-control sensing structure 23 and display module 24.
This display module 24 comprises the first polaroid 241, display panels 242, second polaroid 243 and backlight module 244.This first polaroid 241, touch-control sensing structure 23, display panels 242, second polaroid 243 and backlight module 244 are sequentially stacked to be arranged in receiving space that framework 21 and housing 25 formed.This touch-control this answer structure 23 between this first polaroid 241 and this display panels 242.This touch-control sensing structure 23 is bonding by the first colloid layer 26 with this first polaroid 241, and this touch-control sensing structure 23 is bonding by the second colloid layer 27 with this display panels 242.
In the present embodiment, the material of this first colloid layer 26 and the second colloid layer 27 such as, for being preferably transparent material, optical clear tackifier (Optical Clear Adhesive, OCA) or optical clear resin (Optical Clear Resin, OCR).
This framework 21 has the opening corresponding with the touch-control viewing area 202 of touch control display apparatus 200 and at least one frame corresponding with the non-touch-control viewing area 201 of touch control display apparatus 200.Preferably, in the present embodiment, this framework 21 is the hollow structure be made up of four end to end frames, make external object can directly contact protection film 22 to perform touch-control action.Wherein, these four frames are corresponding with the non-touch-control viewing area 201 of this touch control display apparatus 200.
Refer to Fig. 9, Fig. 9 is the cross-sectional view of described touch control display apparatus 200 along the IX-IX tangent line shown in Fig. 7.
Described backlight module 244 is positioned at a surface of housing 25.Described second polaroid 243 is positioned at the side of this backlight module 244 away from housing 15.Described display panels 242 is positioned at the side of this second polaroid 243 away from backlight module 244.Described touch-control sensing structure 23 is positioned at the side of this display panels 242 away from housing 15.Described first polaroid 241 is positioned at the side of this touch-control sensing structure 23 away from this display panels 242.Described framework 21 be positioned at this first polaroid 241 away from the surface of touch-control sensing structure 23 side and with this surface contact.
The frame of this framework 21 comprises relative upper surface 211 and lower surface 212 and on the inclined-plane 213 between this upper surface 211 and lower surface 212.This inclined-plane 213 has an angle with this lower surface 212, and this angle is acute angle.Preferably, in the present embodiment, this angle is 5 to 30 degree.Also namely, the seal ring thickness of this framework 21 is thinning gradually from the bearing of trend of 201 to the touch-control viewing area, non-touch-control viewing area 202 of touch control display apparatus 200, is beneficial to this first polaroid 241 of pressing preferably.
In the present embodiment, in the present embodiment, this first polaroid 241 is used as the protective film of described touch-control sensing structure 23, for the protection of touch-control sensing structure 23.This first polaroid 241 can be made up of transparent thin-film material, and such as it can be the explosion-proof polarisation diaphragm with explosion prevention function.In addition, in other embodiments, described first colloid layer 26 can be structure as a whole with this first polaroid 241.Also namely, this first colloid layer 26 is as a part for this first polaroid 241.Such as, this first colloid layer 26 is attached on this first polaroid 241 by a release film.When bonding, tear this release film, the bonding of the first polaroid 241 and touch-control sensing structure 23 can be realized.
In addition, find through experiment, the distance of finger distance touch-control sensing structure 23,0.025 millimeter to 0.35 millimeter time, has preferably touch-control effect.Therefore, in the present embodiment, this first polaroid 241 is 0.025 millimeter to 0.35 millimeter away from a surperficial distance to this touch-control sensing structure 23 of touch-control sensing structure 23.Also namely, the bee-line of distance touch-control sensing structure 23 when the thickness sum t(of this first polaroid 241 and the first colloid layer 26 and finger manipulation) be 0.025 millimeter to 0.35 millimeter.Preferably, this first polaroid 241 is 0.025 millimeter to 0.25 millimeter away from a surperficial distance to this touch-control sensing structure 13 of touch-control sensing structure 13 or is 0.175 to 0.25 millimeter.Such as, the thickness of this first polaroid 241 is 0.2 millimeter, and the thickness of this first colloid layer 26 is 0.05 millimeter.
Described touch-control sensing structure 23 is by a flexible circuit board 231(FPC) be connected to a control chip 232.This control chip 232 can be the touch chip of this touch control display apparatus 100.The concrete structure of this touch-control sensing structure 23 can be identical with the touch-control sensing structure 13 shown in Fig. 4 with Fig. 5 in the first embodiment, repeats no more herein.
In addition, described backlight module 244 is for providing the light source needed for this touch control display apparatus 200, and this light source, by injecting display panels 242 after the second polaroid 243, then penetrates further by touch-control sensing structure 23 and the first polaroid 241.Should be appreciated that this display panels 242 also comprises upper substrate, infrabasal plate and the chromatic filter layer between this upper substrate and infrabasal plate and liquid crystal layer etc., repeat no longer one by one herein.
In sum, in the embodiment of the present invention, use polaroid on the first polaroid 242(of touch control display apparatus 200) as the protective film of touch-control sensing structure 23, the thickness of touch control display apparatus 200 further can be reduced.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not depart from the spirit and scope of technical solution of the present invention.
Claims (12)
1. a touch control display apparatus, there is a touch-control viewing area and a non-touch-control viewing area, it is characterized in that, this touch control display apparatus comprises a framework, one protective film, one touch-control sensing structure, this protective film is bonding with this touch-control sensing structure, to protect this touch-control sensing structure, this framework comprises the opening of corresponding touch-control viewing area and is positioned at the frame of this non-touch-control viewing area, this opening makes external object directly can contact this protective film to perform touch-control action, the surface contact of this frame and this protective film is to fix this protective film, wherein, this protective film is 0.025 millimeter to 0.35 millimeter away from a surperficial distance to this touch-control sensing structure of this touch-control sensing structure.
2. touch control display apparatus as claimed in claim 1, is characterized in that, described framework is the hollow structure that end to end frame is formed, and this seal ring thickness is thinning gradually to the bearing of trend of described touch-control viewing area from described non-touch-control viewing area.
3. touch control display apparatus as claimed in claim 2, is characterized in that, the frame of described framework comprises relative upper surface and lower surface and the inclined-plane between this upper surface and lower surface, and this inclined-plane and this lower surface have an angle, and this angle is acute angle.
4. touch control display apparatus as claimed in claim 3, it is characterized in that, described angle is the acute angle of 5 degree to 30 degree.
5. touch control display apparatus as claimed in claim 1, it is characterized in that, the thickness of described protective film is 0.2 millimeter.
6. touch control display apparatus as claimed in claim 1, is characterized in that, described protective film is bonding with described touch-control sensing structure by one first colloid layer, and the thickness of this first colloid layer is 0.05 millimeter.
7. touch control display apparatus as claimed in claim 1, is characterized in that, described protective film is 0.025 millimeter to 0.25 millimeter away from a surperficial distance to this touch-control sensing structure of this touch-control sensing structure.
8. touch control display apparatus as claimed in claim 1, is characterized in that, described protective film is 0.175 millimeter to 0.25 millimeter away from a surperficial distance to this touch-control sensing structure of this touch-control sensing structure.
9. touch control display apparatus as claimed in claim 1, it is characterized in that, described protective film is explosion-proof film.
10. touch control display apparatus as claimed in claim 1; it is characterized in that; this touch control display apparatus also comprises a display module and a housing, and this housing coordinates formation one receiving space with described framework, for accommodating described protective film, touch-control sensing structure and display module.
11. touch control display apparatus as claimed in claim 10; it is characterized in that; described display module comprises the first polaroid, display panels, the second polaroid and backlight module; wherein; this first polaroid is positioned at the side of the contiguous described framework of described touch-control sensing structure and bonding with this touch-control sensing structure, protects this touch-control sensing structure to use this first polaroid as described protective film.
12. touch control display apparatus as claimed in claim 11, is characterized in that, for described second polaroid is between described display panels and described backlight module, this display panels is bonding with described touch-control sensing structure by one second colloid layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147059.8A CN104793789A (en) | 2015-03-31 | 2015-03-31 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147059.8A CN104793789A (en) | 2015-03-31 | 2015-03-31 | Touch display device |
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| CN104793789A true CN104793789A (en) | 2015-07-22 |
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| CN201510147059.8A Pending CN104793789A (en) | 2015-03-31 | 2015-03-31 | Touch display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107219695A (en) * | 2016-03-22 | 2017-09-29 | 三星显示有限公司 | Display device |
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| KR102548931B1 (en) | 2016-03-22 | 2023-06-30 | 삼성디스플레이 주식회사 | Display device |
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