CN101782814B - Touch structure for flexible display device - Google Patents
Touch structure for flexible display device Download PDFInfo
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- CN101782814B CN101782814B CN2009100028472A CN200910002847A CN101782814B CN 101782814 B CN101782814 B CN 101782814B CN 2009100028472 A CN2009100028472 A CN 2009100028472A CN 200910002847 A CN200910002847 A CN 200910002847A CN 101782814 B CN101782814 B CN 101782814B
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Abstract
The invention relates to a touch structure for a flexible display device. The touch structure comprises a flexible display panel, at least one menu display area, a touch film and at least one sensing element. The flexible display panel is provided with a visible surface. The at least one menu display area is arranged on at least one side of the visible surface. The touch film is provided with a first flexible substrate and an operation contact surface. The visible surface and the operation contact surface are arranged at the relative two ends of the touch structure. The at least one sensing element corresponds to the at least one menu display area and is arranged on at least one side of the first flexible substrate.
Description
Technical field
The invention relates to a kind of touch-control structure.More specifically say, the invention relates to a kind of touch-control structure that is applied to a flexible display device.
Background technology
Along with scientific-technical progress, display device is constantly towards frivolous trend development, in the hope of reducing its occupation space and weight.Meanwhile, along with the development of man-machine interface, touch panel has also become quite general input media.Yet when display device more showed slimming, its frivolous characteristic had but been brought comparatively not enough structural strength.Traditional thin display, LCD for example, mainly be with glass as substrate because the influence of glass material, its structure is subjected to external force and deformation quite easily, and then wrecks.
Because traditional shortcoming that thin display had, in recent years, the development of flexible display panel promptly is subjected to suitable attention.More common pliability panel technology is for example utilized the electronic paper technology of electric ink (E-Ink), or is utilized organic semi-conductor Organic Light Emitting Diode display technique at present, and all flexual slim display technique is realized on certain degree ground.Yet,, still exist the degree of difficulty of certain degree if desire increases touch controllable function in existing flexible display device on the market.
The touch technology that is used for traditional monitor, for example resistance-type or capacitive touch control techniques all are the rigid substrates that mainly are used in as glass substrate etc.Wherein, when forming nesa coating, need make substrate be heated to a higher technological temperature in advance, nesa coating closely is attached on the substrate.Yet this higher technological temperature will produce the flexible base plate of generally making with organic plastic material and destroy, and then the damage touch controllable function.Otherwise, if form nesa coating, then easily cause the conductive characteristic of nesa coating and light penetration rate to descend with lower technological temperature, also be not easy to be attached on the substrate, and then cause the demoulding problem.Therefore,, then still exist higher technical threshold, also be difficult to promote the making yield of the product that uses flexible base plate if nesa coating will be formed on the flexible base plate.
In addition, existing touch technology is the place ahead that the touch-control film is arranged at the visible surface of display device.This kind set-up mode will cause the image brilliance decay of display device.Though in touch control display apparatus, only need to strengthen light-source brightness and can overcome the image brilliance decay that the touch-control film is caused easily with autoluminescence light source.Yet in the non-autoluminescence display technique of using based on environment light source, for example the electronic paper technology of electric ink promptly need be considered the influence of the set-up mode of touch-control film for image brilliance.
In sum, provide a kind of flexible display device that is used for, also can keep the touch-control structure of the image brilliance of flexible display device simultaneously, this is the target that this industry expectation is reached.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of touch-control structure that is used for flexible display device, and it has simple in structure and makes easy advantage, also can not influence the image brilliance of flexible display device simultaneously.
For achieving the above object, the invention provides a kind of touch-control structure.This touch-control structure comprises a pliability panel, at least one menu display area territory, a touch-control film and at least one sensing element.This flexible display panel has a visible surface.This at least one menu display area territory is positioned at least one side of this visible surface.This touch-control film has one first flexible base plate and an operation surface of contact, and wherein, this visible surface and this operation surface of contact are arranged at relative two ends of this touch-control structure.At last, this at least one sensing element then mutually should at least one menu zone and be arranged at least one side on this first flexible base plate.
In sum, touch-control structure of the present invention has simple in structure and makes easy advantage, and because its touch-control film is the rear that is arranged at the visible surface of flexible display device, therefore also can not reduce the brightness of the image of flexible display device demonstration, and then overcome the lower shortcoming of image brilliance that existing touch technology only can be used in rigid substrate and use the display device of existing touch technology.
Description of drawings
Behind the embodiment of consulting accompanying drawing and describing subsequently, this technical field has knows that usually the knowledgeable just can understand other purpose of the present invention, and technological means of the present invention and enforcement aspect, wherein:
Fig. 1 is a flexible touch-control schematic representation of apparatus of the present invention;
Fig. 2 A is the synoptic diagram of first embodiment of the invention;
Fig. 2 B is another synoptic diagram of first embodiment of the invention;
Fig. 3 A is the synoptic diagram of second embodiment of the invention;
Fig. 3 B is another synoptic diagram of second embodiment of the invention;
Fig. 4 A is the synoptic diagram of third embodiment of the invention; And
Fig. 4 B is another synoptic diagram of third embodiment of the invention.
Embodiment
Below will explain content of the present invention, the invention relates to a kind of touch-control structure that is used for flexible display device by embodiment.Explanation about embodiment only is explaination purpose of the present invention, but not in order to restriction the present invention.It should be noted that, in following examples and the accompanying drawing, omit all and do not illustrate with the non-directly related element of the present invention; And each interelement size relationship is only for asking easy understanding in the accompanying drawing, and is non-in order to the restriction actual ratio.
Fig. 1 is the synoptic diagram that utilizes the flexible display device 1 of touch-control structure of the present invention.Flexible display device 1 can be as newspaper or books, and with hand-held reading, it has a visible surface 11a, at least one menu display area territory 12 1 operation surface of contact 13a and control module circuit 19 for the user.12 in menu display area territory is positioned at least one side on the visible surface 11a.In Fig. 1, then illustrated a plurality of menu display area territory 12, these menu display area territories 12 lay respectively at right side and the downside of visible surface 11a.The present invention does not limit the position that menu display area territory 12 is arranged at visible surface 11a, and specifically, menu display area territory 12 also can be arranged at left side or the upside of visible surface 11a, so that the user carries out operational motion miscellaneous under difference reading pattern.
The first embodiment of the present invention then shown in Fig. 2 A and Fig. 2 B, is to use in the synoptic diagram of the touch-control structure 1a of flexible display device 1.Touch-control structure 1a comprises a flexible display panel 11 and a touch-control film 13.Flexible display panel 11 can be a front end lamination display panel (Front Plane Laminate; FPL), an Electrowetting display panel (Electrowetting Display) or the display panel that possesses the pliability characteristic of other kind, it has described visible surface 11a of leading portion and one first flexible printed circuit (Flexible PrintedCircuit; FPC) 17a.Flexible display panel 11 promptly electrically connects by the first flexible printed circuit 17a and control module circuit 19, goes up with the instruction of reception control module circuit 19 and in visible surface 11a to show picture miscellaneous.13 of touch-control films comprise one first flexible base plate 14 and the described operation surface of contact of leading portion 13a.With respect to visible surface 11a, 13 of touch-control films are arranged at a dorsal part of flexible display panel 11.By this kind mode, visible surface 11a will be arranged at relative two ends of touch-control structure 1a respectively with operation surface of contact 13a.In present embodiment, a side of first flexible base plate 14 will be as the operation surface of contact 13a of touch-control film 13.
The operation surface of contact 13a of first flexible base plate 14 then is provided with a plurality of sensing elements 16, many strip metals call wire 18 and one second flexible printed circuit 17b.16 of these sensing elements are arranged on corresponding to menu display area territory 12 on the operation surface of contact 13a.Sensing element 16 is by metal call wire 18 and second flexible printed circuit 17b electric connection, and can respond user's touching and produce a signal.This signal will be passed to the control module circuit 19 that electrically connects with the second flexible printed circuit 17b by the metal call wire 18 and the second flexible printed circuit 17b subsequently.In present embodiment, sensing element 16 is pressure transducers.As shown in Figure 1, when the user clamped any menu display area territory 12 with a suitable strength with thumb and forefinger, corresponding sensing element 16 promptly can respond the pressure that is born and produce signal.
Say that more specifically sensing element 16 is force-sensing resistor formula sensor (the ForceSensing Resistor that utilize piezoresistive effect; FSR), and by two metal call wires 18 be electrically connected to the second flexible printed circuit 17b.Force-sensing resistor formula sensor will have a very large internal resistance value under the situation of no pressure load.Yet along with the increase of load pressure, its internal resistance value can correspondingly descend.Therefore when the user did not push or is slight touch sensing element 16, sensing element 16 promptly had sizable internal resistance value, and makes the state that is in not conducting between the two metal call wires 18 that connected.Otherwise when the user applies one when pushing strength to sensing element 16, the internal resistance value of sensing element 16 will descend hastily, and makes the circuit that forms a conducting between the two metal call wires 18 that connected.By this, sensing element 16 is responded user's touching and produced an electric current between the sensing element 16 and the second flexible printed circuit 17b, and with this signal as touching.
After the touching signal that the second flexible printed circuit 17b is produced different sensing elements 16 was passed to control module circuit 19, the performed operation information of user can further be judged and handle to control module circuit 19.And according to these operation informations miscellaneous, control module circuit 19 can be sent multi-form frame updating information to flexible display panel 11 by the first flexible printed circuit 17a.For example, when the user pushes the menu display area territory 12 of " page up ", sensing element 16 corresponding to the menu display area territory 12 of " page up " promptly transmits a signal, control module circuit 19 is promptly judged the function that the user is execution " page up " subsequently, and makes the visible surface 11a of flexible display device 1 be transformed to the picture that shows page up.
The second embodiment of the present invention then shown in Fig. 3 A and Fig. 3 B, is to use in the synoptic diagram of the touch-control structure 1b of flexible display device 1.As described first embodiment of leading portion, touch-control structure 1b also comprises a flexible display panel 11 and a touch-control film 13.Flexible display panel 11 has visible surface 11a and one first flexible printed circuit 17a equally.Flexible display panel 11 promptly is electrically connected to a control module circuit 19 by the first flexible printed circuit 17a, goes up with the instruction of reception control module circuit 19 and in visible surface 11a to show picture miscellaneous.13 back sides that are arranged at flexible display panel 11 of touch-control film, and have one first flexible base plate 14, be positioned at operation surface of contact 13a and one second flexible printed circuit 17b on first flexible base plate 14.Corresponding to menu display area territory 12, a plurality of sensing elements 16 are arranged at a side of first flexible base plate 14 respectively.Simultaneously, these sensing elements 16 are electrically connected to the second flexible printed circuit 17b by many strip metals call wire 18; The second flexible printed circuit 17b then is electrically connected to control module circuit 19.
Different with first embodiment is, in the present embodiment, sensing element 16, the second flexible printed circuit 17b and metal call wire 18 are to be folded between the flexible display panel 11 and first flexible base plate 14, the function of other each element is then identical with first embodiment, so no longer given unnecessary details at this.
The third embodiment of the present invention then shown in Fig. 4 A and Fig. 4 B, is to use in the synoptic diagram of the touch-control structure 1c of flexible display device 1.Touch-control structure 1c also comprises a flexible display panel 11 and a touch-control film 13.Flexible display panel 11 has visible surface 11a and one first flexible printed circuit 17a equally.Flexible display panel 11 promptly is electrically connected to control module circuit 19 by the first flexible printed circuit 17a, goes up with the instruction of reception control module circuit 19 and in visible surface 11a to show picture miscellaneous.13 of touch-control films comprise one first flexible base plate 14, one second flexible base plate 15, operation surface of contact 13a and one second flexible printed circuit 17b.First flexible base plate 14 is arranged between the flexible display panel 1 and second flexible base plate 15.One side of second flexible base plate 15 is this operation surface of contact 13a.Corresponding to menu display area territory 12,16 of a plurality of sensing elements are arranged at respectively on first flexible base plate 14, and are electrically connected to the second flexible printed circuit 17b by many strip metals call wire 18; The second flexible printed circuit 17b then is electrically connected to control module circuit 19.
Be different from first embodiment, sensing element 16, the second flexible printed circuit 17b and the metal call wire 18 of present embodiment is to be folded between first flexible base plate 14 and second flexible base plate 15, the function of other each element is then identical with first embodiment, so no longer given unnecessary details at this.
In sum, the present invention is arranged at the touch-control film at the rear of the visible surface of flexible display device.Simultaneously, corresponding to the function viewing area, sensing element then is arranged on the touch-control film.By this, touch-control structure of the present invention not only has simple in structure and makes easy advantage, also can not reduce simultaneously the brightness of the image of flexible display device demonstration, and then overcome the lower shortcoming of image brilliance that existing touch technology only can be used in rigid substrate and use the display device of existing touch technology.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, the scope of the present invention should be as the criterion with claim.
Claims (9)
1. a touch-control structure that is used for a flexible display device is characterized in that, comprises:
One flexible display panel has a visible surface;
At least one menu display area territory is positioned at least one side of this visible surface;
One touch-control film has one first flexible base plate and an operation surface of contact, and wherein, this visible surface and this operation surface of contact are arranged at relative two ends of this touch-control structure; And
At least one sensing element mutually should at least one menu display area territory, is arranged at least one side on this first flexible base plate.
2. touch-control structure according to claim 1 is characterized in that, at least one side of this first flexible base plate is this operation surface of contact.
3. touch-control structure according to claim 1 is characterized in that, this touch-control film also comprises:
One second flexible base plate forms a space with this first flexible base plate;
Wherein, at least one side of this second flexible base plate is this operation surface of contact, and this at least one sensing element is arranged at this space.
4. touch-control structure according to claim 3 is characterized in that, also comprises:
At least one flexible printed circuit; And
At least one metal call wire is arranged at this space, in order to connect this at least one sensing element and this at least one flexible printed circuit.
5. touch-control structure according to claim 4 is characterized in that, this at least one sensing element response one touching produces a signal, and this metal call wire is in order to transmit this signal to this at least one flexible printed circuit.
6. touch-control structure according to claim 1 is characterized in that, this at least one sensing element is a pressure transducer.
7. touch-control structure according to claim 1 is characterized in that, this at least one sensing element is a force-sensing resistor formula sensor.
8. touch-control structure according to claim 1 is characterized in that, this flexible display panel is a front end lamination display panel.
9. touch-control structure according to claim 1 is characterized in that, this flexible display panel is an Electrowetting display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100028472A CN101782814B (en) | 2009-01-20 | 2009-01-20 | Touch structure for flexible display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100028472A CN101782814B (en) | 2009-01-20 | 2009-01-20 | Touch structure for flexible display device |
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| Publication Number | Publication Date |
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| CN101782814A CN101782814A (en) | 2010-07-21 |
| CN101782814B true CN101782814B (en) | 2011-12-28 |
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| CN2009100028472A Active CN101782814B (en) | 2009-01-20 | 2009-01-20 | Touch structure for flexible display device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101320384B1 (en) * | 2011-06-30 | 2013-10-23 | 삼성디스플레이 주식회사 | Flexible display panel and the display apparatus comprising the flexible display panel |
| KR101837714B1 (en) * | 2011-08-10 | 2018-03-13 | 삼성디스플레이 주식회사 | Display device |
| KR101881389B1 (en) | 2012-03-13 | 2018-07-24 | 삼성전자 주식회사 | Touch-screen, manufacture method thereof and portable terminal having touch-screen |
| CN103529616A (en) * | 2012-07-05 | 2014-01-22 | 广州奥翼电子科技有限公司 | Electronic paper display module and device with touch function |
| GB201218004D0 (en) * | 2012-10-08 | 2012-11-21 | Plastic Logic Ltd | Foldable electronic display |
| CN103345337B (en) * | 2013-07-15 | 2016-08-17 | 深圳南玻显示器件科技有限公司 | Flexible touch screen and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226287A (en) * | 2008-02-14 | 2008-07-23 | 友达光电股份有限公司 | Sensing structure of display |
| CN101329609A (en) * | 2008-07-15 | 2008-12-24 | 苏州佳世达光电有限公司 | Touch control panel with touch control press key |
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2009
- 2009-01-20 CN CN2009100028472A patent/CN101782814B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226287A (en) * | 2008-02-14 | 2008-07-23 | 友达光电股份有限公司 | Sensing structure of display |
| CN101329609A (en) * | 2008-07-15 | 2008-12-24 | 苏州佳世达光电有限公司 | Touch control panel with touch control press key |
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| CN101782814A (en) | 2010-07-21 |
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