CN102819343A - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN102819343A CN102819343A CN2011101560948A CN201110156094A CN102819343A CN 102819343 A CN102819343 A CN 102819343A CN 2011101560948 A CN2011101560948 A CN 2011101560948A CN 201110156094 A CN201110156094 A CN 201110156094A CN 102819343 A CN102819343 A CN 102819343A
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- touch control
- display apparatus
- touch
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Abstract
The invention discloses a touch display device which can be divided into a visible area and a non visible area and comprises a touch unit and a display unit. The touch unit is provided with a touch operation area which is overlapped with the visible area. The display unit is arranged on one side of the touch unit, liquid optical cement is arranged between the touch unit and the display unit and joints the touch unit and the display unit, and one side of the liquid optical cement is arranged in the non visible area of the touch display device. An embodiment of the touch display device has at least one of the advantages of low glare, high backlight output efficiency, high joint rate and good electrostatic protection competence.
Description
Technical field
The present invention relates to a kind of touch control display apparatus.
Background technology
Figure 11 shows the three-dimensional exploded view of an existing touch control display apparatus.Shown in figure 11; Touch control display apparatus 100 comprises a contact panel 102 and a display panel 104; And when assembling touch control display apparatus 100; Usually utilize wire mark technology to form a hollow frame glue 106 on display panel 104, through frame glue 106 contact panel 102 is fitted on the display panel 104 to accomplish assembling again.
Generally speaking, when light when optically denser medium (medium that refractive index is higher) enters into optically thinner medium (medium that refractive index is lower) and incident angle greater than critical angle, the phenomenon that has total reflection produces.Shown in figure 12, after contact panel 102 and display panel 104 accomplished the assembling of fitting, 104 of contact panel 102 and display panels can be formed a clearance 108 by frame glue 106 region surrounded.The substrate that uses when contact panel 102 is during as glass substrate; Surround lighting will form total reflection when glass substrate (refractive index is about 1.5) gets into clearance 108 (refractive index is about 1) and incident angle greater than critical angle; And then the generation dazzle on the surface of contact panel 102, cause user's sense of discomfort visually.On the other hand, when 104 of display panels use substrate as glass substrate, backlightly when glass substrate gets into clearance 108 and incident angle greater than critical angle, will form total reflection, reduce output efficiency backlight.
Summary of the invention
The present invention provides a kind of touch control display apparatus with advantage of one of which at least of low dazzle, high output efficiency backlight, high binding yield and good antistatic capacity.
According to the design of one embodiment of the invention, a kind of touch control display apparatus can be divided into a visible area and a non-visible area and comprise a contactor control device and a display device.Contactor control device has a touch control operation district, and the touch control operation district overlaps visible area in fact.Display device is arranged at a side of contactor control device, and a liquid optical cement is arranged between contactor control device and display device engaging contactor control device and display device, and a lateral margin of liquid optical cement is positioned at the non-visible area of touch control display apparatus.
In one embodiment, the thickness of liquid optical cement is 50um-350um, and is preferably 100um or 175um.
In an embodiment, contactor control device comprises a transparency carrier, a touch-control sensing structure, a decorative layer and a protective seam.The touch-control sensing structure is arranged at a side of transparency carrier and is positioned at the touch control operation district, and the touch-control sensing structure comprises a plurality of first electrode tandems and a plurality of second electrode tandem.Decorative layer is arranged at a side of transparency carrier, and the distributed areas of decorative layer overlap non-visible area in fact.Protective seam is arranged on the transparency carrier and covers touch-control sensing structure and decorative layer at least.
In an embodiment, the lateral margin of liquid optical cement and the distance between visible area are greater than one distolateral distance of lateral margin and transparency carrier.
In an embodiment; Each first electrode tandem comprises first connecting line of a plurality of first transparency electrodes and a plurality of polyphone first transparency electrode; Each second electrode tandem comprises second connecting line of a plurality of second transparency electrodes and a plurality of polyphone second transparency electrode; Second connecting line and first connecting line, first transparency electrode and second transparency electrode adhere to not that people having a common goal's technology forms separately, and are provided with an electrical insulation layer between the first relative connecting line and second connecting line.In an embodiment, second connecting line is arranged between transparency carrier and the electrical insulation layer or between electrical insulation layer and the protective seam.
In an embodiment, touch control display apparatus more comprises a plurality of metal routings and is arranged on the decorative layer, and wherein the spacing of a lateral margin of a lateral margin of liquid optical cement and metal routing is greater than 0.5mm.
In an embodiment, decorative layer can bore by class, one of them institute at least of pottery, printing ink and photoresist constitutes.
In an embodiment, a frame glue is arranged between contactor control device and the display device, and frame glue is around a lateral margin of liquid optical cement and contiguous liquid optical cement.Liquid optical cement for example can be ultraviolet light polymerization optical cement or heat curing optical cement.
In an embodiment, an anti-overflow plastic structure be formed at this contactor control device and this display device at least one of them.
Another embodiment of the present invention provides a kind of touch control display apparatus, and touch control display apparatus is divided into a visible area and a non-visible area and comprised a contactor control device, a display device, an overlay and a liquid optical cement.Contactor control device is arranged on the display device, and contactor control device has a touch control operation district and the touch control operation district overlaps visible area in fact.Contactor control device comprises a transparency carrier, a touch-control sensing structure and a protective seam, and the touch-control sensing structure is arranged at a side of transparency carrier and is positioned at the touch control operation district, and protective seam is arranged on the transparency carrier and covers the touch-control sensing structure at least.Overlay is arranged on the contactor control device and comprises the decorative layer of a corresponding non-visible area, and liquid optical cement is arranged between contactor control device and overlay engaging contactor control device and overlay, and a lateral margin of liquid optical cement is positioned at the non-visible area of touch control display apparatus.
In an embodiment, contactor control device more comprises a transparency electrode screen layer, is arranged at a side of the structure of touch-control sensing dorsad of transparency carrier.
Design through the foregoing description; Make the lateral margin of the liquid optical cement that engages contactor control device and display device be positioned at the non-visible area of touch control display apparatus; Because of being filled up by liquid optical cement fully in the gap in the visible area; So can avoid the light total reflection phenomenon that causes because of refractive index difference, avoid dazzle to produce and can improve output efficiency backlight.In addition, the liquid optical cement of the foregoing description has bigger distribution area, so can improve the applying intensity of contactor control device and display device, uses promoting the assembling yield.Moreover, the thickness through adjusting liquid optical cement and improve electro-static discharge protective ability with the spacing of metal routing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute qualification of the present invention.In the accompanying drawings:
Fig. 1 is the floor map of the touch control display apparatus of one embodiment of the invention;
Fig. 2 A is the section enlarged diagram along the A-A line cutting of Fig. 1;
Fig. 2 B is the diagrammatic cross-section of the touch control display apparatus of another embodiment of the present invention;
Fig. 3 is the liquid optical cement distribution schematic diagram of one embodiment of the invention;
Fig. 4 is the diagrammatic cross-section of the touch control display apparatus of another embodiment of the present invention;
Fig. 5 to Fig. 7 is the anti-overflow plastic structure synoptic diagram of one embodiment of the invention;
Fig. 8 is the anti-overflow plastic structure synoptic diagram of another embodiment of the present invention;
Fig. 9 is the diagrammatic cross-section of the touch control display apparatus of another embodiment of the present invention;
Figure 10 is the diagrammatic cross-section of the touch control display apparatus of another embodiment of the present invention;
Figure 11 and Figure 12 show the three-dimensional exploded view of an existing touch control display apparatus and the synoptic diagram after the assembling respectively.
Drawing reference numeral:
10,30,40,50,70,80 touch control display apparatus
12 contactor control devices
14 display device
16,16 ' liquid optical cement
21 first electrode tandems
21a first transparency electrode
21b first connecting line
22 transparency carriers
23 second electrode tandems
23a second transparency electrode
23b second connecting line
24 decorative layers
25 metal routings
28 electrical insulation layers
34 protective seams
42 frame glue
52 liquid crystal panels
54 LGPs
56 frameworks
58 anti-overflow plastic structures
The 58a recess
58b, 66a, 66b groove
62 two-sided ITO contact panels
64 overlays
76 transparency electrode screen layers
D1 optical cement lateral margin and visible area distance
The distolateral distance of D2 optical cement lateral margin and transparency carrier
The d spacing
M metal routing lateral margin
The non-visible area of N
The T visible area
P optical cement lateral margin
The Q transparency carrier is distolateral
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the embodiment of the invention is explained further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as to qualification of the present invention.
Fig. 1 is the floor map of the touch control display apparatus of one embodiment of the invention, and Fig. 2 A is the section enlarged diagram of Fig. 1.Please be simultaneously with reference to figure 1 and Fig. 2 A, touch control display apparatus 10 comprises a contactor control device 12 and a display device 14 of utilizing a liquid optical cement 16 to engage, and touch control display apparatus 10 can be divided into a visible area (active display area; The AA district) T and a non-visible area (non-active area) N.Contactor control device 12 is made up of a transparency carrier 22 and the rhythmo structure that is formed on the transparency carrier 22.The material of transparency carrier 22 does not limit, and for example can be glass substrate, polymethylmethacrylate (PMMA) substrate, polycarbonate (PC) substrate, polyethersulfone (PES) substrate or polyethylene terephthalate (PET) substrate etc.Contactor control device 12 has a touch-control sensing structure detecting touch position and to constitute a touch control operation district, and the touch control operation district overlaps visible area T in fact.One decorative layer 24 is arranged at a side of transparency carrier 22 to cover metal routing (figure does not show); The distributed areas of decorative layer 24 overlap non-visible area N in fact, and decorative layer 24 for example can be pottery, type bore materials such as carbon, color ink, photoresistance or resin at least one of them constitute.The touch-control sensing structure example is as comprising a plurality of first electrode tandems 21 and a plurality of second electrode tandem 23, and those first electrode tandems 21 are spaced apart from each other with those second electrode tandems 23.Protective seam 34 covers touch-control sensing structure and the rhythmo structure among the non-visible area N among the visible area T simultaneously with the one-piece construction of protection contactor control device 12.Those first electrode tandems 21 are via the first adjacent transparency electrode 21a of a plurality of first connecting line 21b polyphones; And those second electrode tandems 23 are via the second adjacent transparency electrode 23a of a plurality of second connecting line 23b polyphone, and are provided with an electrical insulation layer 28 to being less than between the first relative connecting line 21b and the second connecting line 23b.Shown in Fig. 2 A, the second connecting line 23b and the first transparency electrode 21a, the second transparency electrode 23a and the first connecting line 21b adhere to not that people having a common goal's technology forms separately, and the second connecting line 23b can be arranged between electrical insulation layer 28 and the protective seam 34.In addition, shown in the touch control display apparatus 30 of Fig. 2 B, configurable between transparency carrier 22 and electrical insulation layer 28 in another embodiment second connecting line 23b.In above-mentioned present embodiment, behind assembling touch control display apparatus 10, the liquid optical cement 16 that is arranged in contactor control device 12 and the display device 14 has a lateral margin P, and the position of lateral margin P is dropped in the non-visible area N of touch control display apparatus 10.In other words, contactor control device 12 can be filled up by liquid optical cement 16 with the gap of display device 14 in visible area T fully.
Through the design of the foregoing description, because of can being filled up by liquid optical cement 16 fully in the gap in the visible area T,, avoid dazzle to produce and can improve output efficiency backlight so can avoid the light total reflection phenomenon that causes because of refractive index difference.In addition, the liquid optical cement 16 of the foregoing description has bigger distribution area, so can improve the applying intensity of contactor control device 12 and display device 14, uses promoting the assembling yield.As shown in Figure 3, in an embodiment, the lateral margin P of liquid optical cement 16 and the distance B 1 of visible area T can (D1＞D2) be further to guarantee to glue together fully area greater than the distance B 2 between the distolateral Q of lateral margin P and transparency carrier 22.
Fig. 4 is the diagrammatic cross-section of the touch control display apparatus of another embodiment of the present invention.As shown in Figure 4, in touch control display apparatus 40, a frame glue 42 is arranged between contactor control device 12 and the display device 14, and frame glue 42 is around the lateral margin P of liquid optical cement 16 and contiguous liquid optical cement 16.The kind of liquid optical cement 16 does not limit, and for example can be the liquid optical cement of ultraviolet light polymerization liquid state optical cement or heat curing and all can.
Generally speaking; Liquid optical cement after the applying is thick more, and the glue amount of overflowing can more difficult control, so can be with liquid optical cement with the glue amount of the best and put the glue pattern and fit; Trim the edge after making liquid optical cement diffusion as far as possible, then after diffusion, use UV light irradiation or heating to solidify liquid optical cement.As shown in Figure 5; In a touch control display apparatus 50; Contactor control device 12 and display device 14 utilize a liquid optical cement 16 to fit, and display device 14 for example comprises a liquid crystal panel 52, a LGP 54, an and framework 56 of ccontaining liquid crystal panel 52 and LGP 54.On contactor control device 12 or display device 14, can form an anti-overflow plastic structure 58 to prevent excessive glue and to guarantee to produce yield.For example; Anti-overflow plastic structure 58 can corresponding be formed at the periphery of LGP 54 and framework 56; For example can arrange in pairs or groups forms recess 58a (Fig. 6) and forms a plurality of groove 58b (Fig. 7) at the inwall of framework 56 in LGP 54, and groove 58b in abutting connection with recess 58a to hold excessive glue.Fig. 8 is the synoptic diagram of another anti-overflow plastic structure embodiment; As shown in Figure 8; One liquid optical cement 16 applying one two-sided ITO contact panel 62 and overlays 64; And at least one anti-overflow plastic structure is formed on overlay 64 distolateral, and the profile of anti-overflow plastic structure does not limit, and for example can be a square groove 66a or an angle groove 66b all can.
The liquid optical cement 16 of the foregoing description can be used as an antistatic insulation course with further raising Electrostatic Discharge protective capacities; Measured result according to the inventor; Thickness as the liquid optical cement 16 of antistatic insulation course for example can be 50um-350um in one embodiment; Can electro-static discharge protective ability be promoted to more than the 13KV, and a preferred embodiment is that liquid optical cement 16 thickness are 100um or 175um.Moreover; As shown in Figure 9; In a touch control display apparatus 70, a plurality of metal routings 25 are arranged on the decorative layer 24, and the spacing d of the lateral margin M of the lateral margin P of liquid optical cement 16 and metal routing 25 can be made as greater than 0.5mm; According to inventor's measured result, when spacing d during greater than 0.5mm the electro-static discharge protective ability of contactor control device 12 can be promoted to more than the 15KV.Design according to present embodiment; Use the mode of insulation to intercept the static discharge impact; The mode effect of dredging compared with use is comparatively obvious, has little time to dredge excessive electric charge because use the mode of dredging in a single day to lead the path off, will make remaining electric charge encroach on all the other devices.Shown in figure 10; In the touch control display apparatus 80 of another embodiment; Contactor control device 12 is arranged on the display device 14, and the touch-control sensing structure is arranged at a side of transparency carrier 22 and is positioned at the touch control operation district, and protective seam 34 is arranged on the transparency carrier 22 and covers the touch-control sensing structure at least.One overlay 64 is arranged on the contactor control device 12 and comprises the decorative layer 24 of a corresponding non-visible area; One liquid optical cement 16 ' is arranged at 64 of contactor control device 12 and overlays to engage contactor control device 12 and overlay 64; And a lateral margin P of liquid optical cement 16 ' is positioned at the non-visible area of touch control display apparatus 80, and can be made as greater than 0.5mm with the spacing d of the lateral margin M of metal routing 25.In addition, a transparency electrode screen layer 76 be arranged at transparency carrier 22 a side of the structure of touch-control sensing dorsad to reduce the noise of 12 of display device 14 and contactor control devices.In the present embodiment, liquid optical cement 16 ' can be used as an antistatic insulation course equally to improve the Electrostatic Discharge protective capacities.According to inventor's measured result, the electro-static discharge protective ability of touch control display apparatus 80 can be promoted to more than the 13KV.
Moreover; The touch-control sensing structure of above-mentioned each embodiment in the touch control operation district is merely illustration; The form of touch-control sensing structure does not limit fully; The effect that only needs to obtain the detection touch position gets final product, and for example can be down conducting touch-control sensing structure, bridge conducting touch-control sensing structure or other touch-control sensing structure and all can.Moreover the kind of the display device of above-mentioned each embodiment does not limit, and for example can be LCD, OLED, electric moistening display, bistable display or electrophoretic display device (EPD) or the like.
The present invention describes through the above embodiments and variant.All embodiment of the present invention and variant are merely exemplary and are non-limiting.Based on connotation of the present invention and scope,, the various variant that comprise contact panel or the contactor control device of above-mentioned characteristic contain and being the present invention.The present invention is defined by the claim scope.
Claims (20)
1. a touch control display apparatus is characterized in that, said touch control display apparatus is divided into a visible area and a non-visible area and comprised:
One contactor control device has a touch control operation district and said touch control operation district overlaps said visible area;
One display device is arranged at a side of said contactor control device; And
One liquid optical cement be arranged between said contactor control device and said display device engaging said contactor control device and said display device, and a lateral margin of said liquid optical cement is positioned at the said non-visible area of said touch control display apparatus.
2. touch control display apparatus as claimed in claim 1 is characterized in that, said contactor control device comprises:
One transparency carrier;
One touch-control sensing structure is arranged at a side of said transparency carrier and is positioned at said touch control operation district, and wherein said touch-control sensing structure comprises a plurality of first electrode tandems and a plurality of second electrode tandem;
One decorative layer be arranged at this side of said transparency carrier, and the distributed areas of said decorative layer overlaps said non-visible area; And
One protective seam is arranged on the said transparency carrier and covers said touch-control sensing structure and said decorative layer at least.
3. touch control display apparatus as claimed in claim 2 is characterized in that, the said lateral margin of said liquid optical cement and the distance between said visible area are greater than one distolateral distance of said lateral margin and said transparency carrier.
4. touch control display apparatus as claimed in claim 2; It is characterized in that; Each said first electrode tandem comprises first connecting line of a plurality of first transparency electrodes and said first transparency electrode of a plurality of polyphone; Each said second electrode tandem comprises second connecting line of a plurality of second transparency electrodes and said second transparency electrode of a plurality of polyphone; Said second connecting line and said first connecting line, said first transparency electrode and said second transparency electrode adhere to not that people having a common goal's technology forms separately, and are provided with an electrical insulation layer between relative said first connecting line and said second connecting line.
5. touch control display apparatus as claimed in claim 4 is characterized in that, said second connecting line is arranged between said transparency carrier and the said electrical insulation layer or between said electrical insulation layer and the said protective seam.
6. touch control display apparatus as claimed in claim 2 is characterized in that, more comprises:
A plurality of metal routings are arranged on the said decorative layer, and the spacing of the said lateral margin of wherein said liquid optical cement and a lateral margin of said metal routing is greater than 0.5mm.
7. touch control display apparatus as claimed in claim 6 is characterized in that, the thickness of said liquid optical cement is 50um-350um.
8. touch control display apparatus as claimed in claim 7 is characterized in that, the thickness of said liquid optical cement is 100um or 175um.
9. touch control display apparatus as claimed in claim 2 is characterized in that, said decorative layer is made up of one of them institute at least of pottery, type brill carbon, color ink, photoresistance and resin.
10. touch control display apparatus as claimed in claim 1 is characterized in that, more comprises:
One frame glue is arranged between said contactor control device and the said display device, and wherein said frame glue is around a lateral margin of said liquid optical cement and contiguous said liquid optical cement.
11. touch control display apparatus as claimed in claim 1 is characterized in that, said liquid optical cement is ultraviolet light polymerization optical cement or heat curing optical cement.
12. touch control display apparatus as claimed in claim 1 is characterized in that, more comprise an anti-overflow plastic structure be formed at said contactor control device and said display device at least one of them.
13. touch control display apparatus as claimed in claim 12 is characterized in that, said display device comprises a framework of a LGP and ccontaining said LGP, and said anti-overflow plastic structure comprises:
One recess is formed at said LGP; And
At least one groove is formed on the said framework and in abutting connection with the said recess of said leaded light version.
14. touch control display apparatus as claimed in claim 12 is characterized in that, said contactor control device comprises an overlay, and said anti-overflow plastic structure comprises:
At least one groove is formed on the said overlay.
15. touch control display apparatus as claimed in claim 1 is characterized in that, said display device is LCD, OLED, electric moistening display, bistable display or electrophoretic display device (EPD).
16. a touch control display apparatus is characterized in that, said touch control display apparatus is divided into a visible area and a non-visible area and is comprised:
One display device;
One contactor control device is arranged on the said display device, and said contactor control device has a touch control operation district and said touch control operation district overlaps said visible area, and said contactor control device comprises:
One transparency carrier;
One touch-control sensing structure is arranged at a side of said transparency carrier and is positioned at said touch control operation district; And
One protective seam is arranged on the said transparency carrier and covers said touch-control sensing structure at least;
One overlay is arranged on the said contactor control device and comprises the decorative layer of a corresponding said non-visible area; And
One liquid optical cement be arranged between said contactor control device and said overlay engaging said contactor control device and said overlay, and a lateral margin of said liquid optical cement is positioned at the said non-visible area of said touch control display apparatus.
17. touch control display apparatus as claimed in claim 16 is characterized in that, the said lateral margin of said liquid optical cement and the distance between said visible area are greater than one distolateral distance of said lateral margin and said transparency carrier.
18. touch control display apparatus as claimed in claim 16 is characterized in that, said contactor control device more comprises:
One transparency electrode screen layer is arranged at a side of the said dorsad touch-control sensing structure of this transparency carrier.
19. touch control display apparatus as claimed in claim 16 is characterized in that, more comprises:
A plurality of metal routings are arranged on the said transparency carrier, and the spacing of the said lateral margin of wherein said liquid optical cement and a lateral margin of said metal routing is greater than 0.5mm.
20. touch control display apparatus as claimed in claim 19 is characterized in that, the thickness of said liquid optical cement is 100um or 175um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101560948A CN102819343A (en) | 2011-06-10 | 2011-06-10 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101560948A CN102819343A (en) | 2011-06-10 | 2011-06-10 | Touch display device |
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| CN102819343A true CN102819343A (en) | 2012-12-12 |
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| CN2011101560948A Pending CN102819343A (en) | 2011-06-10 | 2011-06-10 | Touch display device |
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| CN103135440A (en) * | 2013-02-25 | 2013-06-05 | 无锡威峰科技有限公司 | Bluetooth smart watch |
| CN103970349A (en) * | 2014-03-10 | 2014-08-06 | 业成光电（深圳）有限公司 | Touch control device and attaching type manufacturing process thereof |
| CN106484164A (en) * | 2015-08-31 | 2017-03-08 | 宸鸿科技(厦门)有限公司 | Contact panel |
| CN107831948A (en) * | 2017-12-04 | 2018-03-23 | 信利光电股份有限公司 | A kind of touch module |
| CN108920003A (en) * | 2018-06-30 | 2018-11-30 | 昆山国显光电有限公司 | Touch panel and preparation method thereof |
| CN110389687A (en) * | 2019-07-31 | 2019-10-29 | 业成科技（成都）有限公司 | The bonding structure of curved surface protection cap |
| WO2021248598A1 (en) * | 2020-06-12 | 2021-12-16 | 惠州市华星光电技术有限公司 | Touch-control display apparatus |
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Application publication date: 20121212 |