CN103265897B - Optical bonding member and touch display device - Google Patents
Optical bonding member and touch display device Download PDFInfo
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- CN103265897B CN103265897B CN201210576948.2A CN201210576948A CN103265897B CN 103265897 B CN103265897 B CN 103265897B CN 201210576948 A CN201210576948 A CN 201210576948A CN 103265897 B CN103265897 B CN 103265897B
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- display unit
- cystic structures
- bond
- touch display
- optical cement
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Abstract
The invention discloses an optical bonding member and a touch display device. The optical bonding member is used for bonding the display device and the touch device together. The optical bonding member comprises: a cystic structure filled with a liquid optical adhesive and an adhesive annular sheet structure around the cystic structure; wherein the refractive index of the liquid optical adhesive is 90%-110% of that of a substrate of the touch device. The touch display device composed of the optical adhesive member provided by the present invention can effectively suppress light scattering caused by air gap and does not increase the process steps. The touch display device has reworkability, and can effectively reduce production costs.
Description
Technical field
The present invention relates to flat panel display, particularly a kind of optics bond and touch display unit.
Background technology
Along with growing with each passing day of multimedia information inquiry equipment, touch display unit because have sturdy and durable, speed of response fast, save space, be easy to many advantages such as interchange, receive increasing concern.Utilizing this touch technique of display, as long as user is with pointing the icon that touches lightly on display screen or word just can realize operating accordingly, thus making man-machine interaction more simple and direct.
As shown in Figure 1, touch display unit 100 comprises display unit 101 and touching device 102.Described touching device 102 is connected with described display unit 101 by " mouth " word glue 103.Described " mouth " word glue 103 is the double sticky tape of intermediate openings, and intermediate openings exposes described display unit 101, and described touching device 102 and display unit 101 link together by the double sticky tape of surrounding.Because " mouth " word glue 103 itself has certain thickness, therefore a clearance 104 can be formed between described display unit 101 and touching device 102.Because the existence of clearance 104, light is after the surperficial outgoing of described display unit 101, can because the scattering of clearance 104, make the black state of whole touch display unit 100 not black, and when described touch display unit 100 is when being subject to strong illumination (such as under outdoor solar light), because the specular reflection of top and bottom, described clearance 104 and severe jamming display effect.
For this reason, industry develops a kind of touch display unit adopting liquid optical cement to bond.As shown in Figure 2, touch display unit 200 comprises display unit 201 and touching device 202.Described touching device 202 is connected with described display unit 201 by liquid optical cement 203.Usually, special coating equipment is needed the optical cement of liquid state to be coated in the surface of display unit 201, then touching device 202 is close in described display unit 201 by liquid optical cement 203, and then by UV curing process, described liquid optical cement 203 is solidified, thus described touching device 202 is fixed on described liquid optical cement 203.After solidification, the uniform optics liquid optical cement 203 of one deck is only there is between described display unit 201 and touching device 202, and the optical parametric of the optical parametric such as the specific refractory power of above-mentioned optics liquid optical cement 203 and glass is similar to, therefore there is not clearance, effectively inhibit the Discussion on Light Diffusion Caused that clearance causes.But above-mentioned touch display unit 200 is because increase coating and the curing process of liquid optical cement, and the step increase of technique causes production cost to rise, and the touch display unit after solidification is because cannot do over again, and makes production cost increase further.
Summary of the invention
The invention provides a kind of optics bond and touch display unit, to reach while suppressing the scattering of light that causes of clearance, do not increase processing step and made touch display unit has reworking, thus realize the object reducing production cost.
For solving above-mentioned technology for topic, the invention provides a kind of optics bond, for display unit and touching device being bonded together, described optics bond comprises:
One cystic structures, is filled with liquid optical cement in described cystic structures;
Be positioned at the bonding annular slice structure around described cystic structures;
Wherein, the specific refractory power of described liquid optical cement is 90% ~ 110% of the specific refractory power of the substrate of described touching device.
Optionally, in described optics bond, described liquid optical cement is the one of organo-silicone rubber, acrylic type resin, unsaturated polyester, urethane or epoxy resin.
Optionally, in described optics bond, the transmitance of described liquid optical cement is more than or equal to 90%.
Optionally, in described optics bond, the material of described bonding annular slice structure and cystic structures is other macromolecular materials such as PE or PET
Optionally, in described optics bond, the thickness of the cyst wall of described cystic structures is below 0.05mm.
Optionally, in described optics bond, described cystic structures and described bonding annular slice structure are integrated.
Accordingly, the present invention also provides a kind of touch display unit to comprise: a display unit, a touching device and described optics bond, and described display unit and described touching device are by together with described bonding annular slice structure bond.
Optionally, in described touch display unit, the thickness of described cystic structures after filling liquid optical cement is 0.2mm ~ 0.3mm.
Optionally, in described touch display unit, the thickness of described cystic structures after the thickness of described bonding annular slice structure is less than filling liquid optical cement.
Optionally, in described touch display unit, the one side of described bonding annular slice structure flushes with the one side of described cystic structures, and the one side of described bonding annular slice structure is provided with gum, the another side of described bonding annular slice structure is provided with double sticky tape, by described gum and double sticky tape, described touching device, optics bond and display unit is bonded.
Optionally, in described touch display unit, described bonding annular slice structure is between the two sides of described cystic structures, and the two sides of described bonding annular slice structure is respectively equipped with the first double sticky tape and the second double sticky tape, described touching device, optics bond and described display unit bond by described first double sticky tape and the second double sticky tape.
Optionally, in described touch display unit, the thickness of described cystic structures after the thickness of described bonding annular slice structure equals filling liquid optical cement, the two sides of bonding annular slice structure is equipped with gum.
Optics bond provided by the present invention comprises cystic structures and is positioned at the bonding annular slice structure around described cystic structures, be filled with liquid optical cement in described cystic structures, the specific refractory power of described liquid optical cement is 90% ~ 110% of the specific refractory power of the substrate of described touching device.Because described optics bond comprises the cystic structures that is full of liquid optical cement, when therefore above-mentioned optics being used for bonding display unit and touching device, this cystic structures can fill the clearance between described display unit and touching device, and the specific refractory power of the specific refractory power of liquid optics in described cystic structures and touching device substrate is close, therefore can reduce cystic structures preferably to the refraction of light and scattering, thus produce specular reflection when using under avoiding as not black in state black in screen display and extraneous high light and the situation of screen cannot be seen clearly.In addition, what complete binding function is bonding ring sheet structure, therefore extra gluing and UV drying process is not wanted yet, avoid the loaded down with trivial details problem risen with the production time longer production cost caused of technique, and remove bonding ring sheet structure and also can not affect display unit and touching device, therefore also support to do over again technique, production cost can be reduced further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a touch display unit in prior art;
Fig. 2 is the structural representation of another touch display unit in prior art;
Fig. 3 is the structural representation of the optics bond of first embodiment of the invention;
Fig. 4 is the structural representation of the touch display unit of first embodiment of the invention;
Fig. 5 is the structural representation of the touch display unit of second embodiment of the invention;
Fig. 6 is the structural representation of the touch display unit of another embodiment of the present invention;
Fig. 7 is the structural representation of the touch display unit of further embodiment of this invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly, elaborate further below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 3, the optics bond 300 of the present embodiment is for bonding display unit and touching device.Described optics bond 300 comprises a cystic structures 301 and is positioned at the bonding annular slice structure 302 around described cystic structures 301, wherein, is filled with liquid optical cement 3011 in described cystic structures 301.The material of described bonding annular slice structure 302 and cystic structures 301 is such as PE or PET.
As shown in Figure 4, when the bonding display unit 400 of optics bond 300 and touching device 500, described cystic structures 301 is between described display unit 400 and touching device 500, and correspond in the display area AA of display unit 400, bonding annular slice structure 302 is positioned at the outer peripheral areas of described display unit 400 display area AA, for display unit 400 and touching device 500 being bonded together.
In order to reduce the impact of optics bond 300 on display effect as far as possible, the specific refractory power of described liquid optical cement 3011 should as much as possible close to the specific refractory power of the substrate of described touching device 500, specifically, the specific refractory power of described liquid optical cement 3011 can be set to 90% ~ 110% of the specific refractory power of the substrate of described touching device 500.The material of described liquid optical cement 3011 is such as the one of organo-silicone rubber, acrylic type resin, unsaturated polyester, urethane or epoxy resin.
In order to avoid the emergent ray of described liquid optical cement 3011 pairs of display unit 400 is too much decayed, the transmitance of described liquid optical cement 3011 can be designed to be more than or equal to 90%.Simultaneously by thin as much as possible for the wall thickness of described cystic structures 301, preferably, the thickness of the cyst wall of cystic structures 301 is below 0.05mm.
In order to ensure the stability of described optics bond 300 and easily manufactured, can described cystic structures 301 and described bonding annular slice structure 302 be designed to one-body molded.
Embodiment two
As shown in Figure 5, the present embodiment touch display unit 600 comprises: display unit 400, touching device 500 and described optics bond 300, and described display unit 400 and described touching device 500 are bonded together by described bonding annular slice structure 302.Be filled with liquid optical cement 3011 in described cystic structures 301, the thickness H1 of described cystic structures 301 after filling liquid optical cement 3011 is 0.2mm ~ 0.3mm.
Optics bond in the present embodiment is substantially identical with the optics bond in embodiment one, and be only described with regard to the difference of optics bond in the optics bond of the present embodiment and embodiment one below, other parts can reference example one.
Continue with reference to figure 5, in order to ensure the stability that touch display unit 600 is bonding, after touch display unit 600 has been assembled, the peripheral thickness H2 of described optics bond 300 is consistent with the thickness H1 of described cystic structures 301.In order to keep peripheral thickness H2 consistent with the thickness H1 of described cystic structures 301, the thickness of described bonding annular slice structure 302 suitably can be regulated.
Specifically, continue with reference to figure 5, as the thickness H1 of described cystic structures 301 after the thickness t of described bonding annular slice structure 302 is less than filling liquid optical cement, the wherein one side (being shown in figure above) of described bonding annular slice structure 302 can be flushed with the one side of described cystic structures 301, and the one side flushed with cystic structures 301 in described bonding annular slice structure 302 arranges gum 3021, on the another side of described bonding annular slice structure 302, be provided with double sticky tape 3022 simultaneously, by described gum 3021 and double sticky tape 3022 by described touching device 500, optics bond 300 and display unit 400 are bonded together.
As shown in Figure 6, in another embodiment, as the thickness H1 of described cystic structures 301 after the thickness t of described bonding annular slice structure 302 is less than filling liquid optical cement, also can described bonding annular slice structure 302 be arranged between the upper and lower surface of described cystic structures 301, simultaneously, the first double sticky tape 3023 and the second double sticky tape 3024 is respectively equipped with at the upper and lower surface of described bonding annular slice structure 302, by described first double sticky tape 3023 and the second double sticky tape 3024 by described touching device 500, optics bond 300 and described display unit 400 are bonded together.
As shown in Figure 7, in order to the package program by described minimizing touch display unit 600, in another embodiment, also the thickness H1 of described cystic structures 301 after the thickness t of described bonding annular slice structure 302 can being set to equal filling liquid optical cement, and gum 3025 is all set at the upper and lower surface of described bonding annular slice structure 302.Be bonded together by being arranged at the just described touching device 500 of two sides gum 3025 of described bonding annular slice structure 302, optics bond 300 and described display unit 400.Assembling touch display unit 600 process in, do not need the operation of assembling double sticky tape again, as long as and described optics bond 300 is arranged between described display unit 400 and touching device 500, the assembling of touch display unit 600 can be completed.
In sum, during by the bonding display unit of above-mentioned optics bond and touching device, because described optics bond comprises the cystic structures that is full of liquid optical cement, this cystic structures can fill the clearance between described display unit and touching device, thus avoid the problem of light scatter, the situation of screen cannot be seen when using under as not black in state black in screen display and extraneous high light clearly.In addition, what complete binding function is bonding ring sheet structure, therefore extra gluing and UV drying process is not wanted yet, avoid the loaded down with trivial details problem risen with the production time longer production cost caused of technique, and remove bonding ring sheet structure and also can not affect display unit and touching device, therefore also support to do over again technique, production cost can be reduced further.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. an optics bond, for display unit and touching device being bonded together, is characterized in that, comprising:
One cystic structures, is filled with liquid optical cement in described cystic structures;
Be positioned at the bonding annular sheet structure around described cystic structures;
Wherein, described cystic structures corresponds to the display area of described display unit, and described bonding annular sheet structure corresponds to the outer peripheral areas of the display area of described display unit; The material of described cystic structures is PE or PET, and the thickness of the cyst wall of described cystic structures is below 0.05mm; The specific refractory power of described liquid optical cement is 90% ~ 110% of the specific refractory power of the substrate of described touching device.
2. optics bond as claimed in claim 1, it is characterized in that, described liquid optical cement is the one of organo-silicone rubber, acrylic type resin, unsaturated polyester, urethane or epoxy resin.
3. optics bond as claimed in claim 1, it is characterized in that, the transmitance of described liquid optical cement is more than or equal to 90%.
4. optics bond as claimed in claim 1, it is characterized in that, the material of the annular sheet structure of described bonding is PE or PET.
5. optics bond as claimed in claim 1, it is characterized in that, described cystic structures and described bonding annular slice structure are integrated.
6. a touch display unit, comprise: a display unit and a touching device, it is characterized in that, also comprise as the optics bond in claim 1 to 5 as described in any one, described display unit and described touching device are by together with described bonding annular slice structure bond.
7. touch display unit as claimed in claim 6, it is characterized in that, the thickness of described cystic structures after filling liquid optical cement is 0.2mm ~ 0.3mm.
8. touch display unit as claimed in claim 6, is characterized in that, the thickness of described cystic structures after the thickness of the annular sheet structure of described bonding is less than filling liquid optical cement.
9. touch display unit as claimed in claim 8, it is characterized in that, the one side of described bonding annular slice structure flushes with the one side of described cystic structures, and the one side of described bonding annular slice structure is provided with gum, the another side of described bonding annular slice structure is provided with double sticky tape, by described gum and double sticky tape, described touching device, optics bond and display unit is bonded.
10. touch display unit as claimed in claim 8, it is characterized in that, described bonding annular slice structure is between the two sides of described cystic structures, and the two sides of described bonding annular slice structure is respectively equipped with the first double sticky tape and the second double sticky tape, described touching device, optics bond and described display unit bond by described first double sticky tape and the second double sticky tape.
11. touch display units as claimed in claim 6, is characterized in that, the thickness of described cystic structures after the thickness of described bonding annular slice structure equals filling liquid optical cement, the two sides of described bonding annular slice structure is equipped with gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210576948.2A CN103265897B (en) | 2012-12-26 | 2012-12-26 | Optical bonding member and touch display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210576948.2A CN103265897B (en) | 2012-12-26 | 2012-12-26 | Optical bonding member and touch display device |
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| Publication Number | Publication Date |
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| CN103265897A CN103265897A (en) | 2013-08-28 |
| CN103265897B true CN103265897B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210576948.2A Active CN103265897B (en) | 2012-12-26 | 2012-12-26 | Optical bonding member and touch display device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111488066B (en) * | 2019-01-28 | 2023-02-17 | 苏州璨鸿光电有限公司 | Touch display device and laminating method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189797A (en) * | 1995-05-05 | 1998-08-05 | 英诺特公司 | Adhesive photochromic matrix layers for use in optical articles |
| US5986729A (en) * | 1996-07-10 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display device and method of manufacturing the same |
| CN1390167A (en) * | 1999-11-16 | 2003-01-08 | 勃姆巴迪尔运输有限公司 | Coating agent and a method for coating the surface of a substrate |
| CN1764861A (en) * | 2003-03-27 | 2006-04-26 | 伊英克公司 | Electro-optic assemblies |
-
2012
- 2012-12-26 CN CN201210576948.2A patent/CN103265897B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189797A (en) * | 1995-05-05 | 1998-08-05 | 英诺特公司 | Adhesive photochromic matrix layers for use in optical articles |
| US5986729A (en) * | 1996-07-10 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display device and method of manufacturing the same |
| CN1390167A (en) * | 1999-11-16 | 2003-01-08 | 勃姆巴迪尔运输有限公司 | Coating agent and a method for coating the surface of a substrate |
| CN1764861A (en) * | 2003-03-27 | 2006-04-26 | 伊英克公司 | Electro-optic assemblies |
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| CN103265897A (en) | 2013-08-28 |
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