CN206003672U - Light-leading film is switched - Google Patents
Light-leading film is switched Download PDFInfo
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- CN206003672U CN206003672U CN201621036576.4U CN201621036576U CN206003672U CN 206003672 U CN206003672 U CN 206003672U CN 201621036576 U CN201621036576 U CN 201621036576U CN 206003672 U CN206003672 U CN 206003672U
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- film layer
- leading
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- 238000002834 transmittance Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 description 108
- 239000000976 ink Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- -1 Polyethylene terephthalate Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
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- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Landscapes
- Push-Button Switches (AREA)
Abstract
A kind of light-leading film switch, including the first film layer, reflector layer, the second film layer and guide-lighting wall, wherein arranges a plurality of conducting wire on the first film layer.Reflector layer is arranged on the first film layer and covers conducting wire.Guide-lighting wall is located between reflector layer and the second film layer.
Description
Technical field
The utility model is related to a kind of thin film switch, particularly a kind of light-leading film switch.
Background technology
Keyboard is input unit very common at present, and its electronic installation of typically arranging in pairs or groups is used, such as desktop computer, pen
Remember this computer, smart mobile phone or panel computer etc..Additionally, in order in response to the not enough use environment of illumination, develop then one kind
Illuminated keyboard with lighting function.
At present illuminated keyboard be using backlight module (backlight module) or light-leading film switch mostly as lighting
Source.Wherein for light-leading film switch, which mainly includes upper and lower film layer and between upper and lower film layer
Optical waveguide layer, enables the light of entrance optical waveguide layer be reflected by lower film layer upwards and provide light source needed for keyboard.However, due to leading
The surface of the lower film layer of optical thin film switch typically can all be provided with the conducting wire in order to transmitting signals, cause light in reflection
During can change color because of conducting wire, for example, if conducting wire is in brass for copper wire, light is entered and is led
Photosphere simultaneously also can change over brass after being reflected via conducting wire upwards, cause light color and the uniformity unmanageable
Problem.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of light-leading film switch, to solve the upper of prior art
State problem.
To achieve these goals, the utility model provides a kind of light-leading film switch, wherein, including：
One the first film layer, arranges a plurality of conducting wire on the first film layer；
One reflector layer, is arranged on the first film layer and at least covers a plurality of conducting wire；
One second film layer；And
One guide-lighting wall, is located between the reflector layer and second film layer.
Above-mentioned light-leading film switch, wherein, also includes that a transmitting light, to the illuminating part of the guide-lighting wall, is arranged at
On the first film layer and it is electrically connected at a plurality of conducting wire.
Above-mentioned light-leading film switch, wherein, the first film layer is a light reflecting membrane layer.
Above-mentioned light-leading film switch, wherein, the reflector layer all covers the surface of the first film layer, the first film
Layer is provided with multiple first trigger points, and the plurality of first trigger point is electrically connected with a plurality of conducting wire, the reflector layer
The plurality of first trigger point of correspondence offers respectively multiple escapes hole.
Above-mentioned light-leading film switch, wherein, second film layer is included corresponding to the multiple of the plurality of first trigger point
Second trigger point, the guide-lighting wall include multiple through holes, and the plurality of through hole is pointed to the plurality of first trigger point respectively and is somebody's turn to do
Multiple second trigger points.
Above-mentioned light-leading film switch, wherein, the reflector layer also includes a dimmer control structure.
Above-mentioned light-leading film switch, wherein, the dimmer control structure is a site, light color inks or a light colour paint.
Above-mentioned light-leading film switch, wherein, second film layer includes a transmittance section, and the dimmer control structure is corresponded to
In the transmittance section.
Above-mentioned light-leading film switch, wherein, the guide-lighting wall offers a perforation, and the dimmer control structure is worn along this
Hole peripheral is arranged.
Above-mentioned light-leading film switch, wherein, the reflector layer includes that one first reflective areas, one second reflective areas and one are bright
Degree adjustment structure, adjacent to the illuminating part, the dimmer control structure is located at second reflective areas for first reflective areas, and this is second reflective
The reflectance factor in area is more than the reflectance factor of first reflective areas.
Above-mentioned light-leading film switch, wherein, second film layer arranges a shading towards the surface of the guide-lighting wall
Structure.
Beneficial functional of the present utility model is：
The utility model is covered in by reflector layer in the conducting wire of the first film layer, makes the light of entrance leaded light wall
Line will not change photochromic during reflection because of conducting wire, make light-leading film switch out the color of light with the uniformity more
It is easily controlled.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Description of the drawings
Fig. 1 switchs the exploded partial perspective view of first embodiment for the utility model light-leading film；
Fig. 2 switchs the partial top view of first embodiment for the utility model light-leading film；
Fig. 3 switchs the partial sectional view of first embodiment for the utility model light-leading film；
Fig. 4 switchs the application schematic diagram of first embodiment for the utility model light-leading film；
Fig. 5 switchs the partial sectional view of second embodiment for the utility model light-leading film；
Fig. 6 switchs the exploded partial perspective view of 3rd embodiment for the utility model light-leading film；
Fig. 7 switchs the partial sectional view of fourth embodiment for the utility model light-leading film；
Fig. 8 switchs the partial sectional view of the 5th embodiment for the utility model light-leading film.
Wherein, reference
1 light-leading film is switched
2 buttons
3 base plates
10 the first film layers
12 conducting wires
13 first trigger points
20 reflector layers
20A～20C reflector layer
21 escape hole
22A～22C dimmer control structure
23 first reflective areas
24 second reflective areas
30 second film layers
31 second trigger points
32 transmittance sections
33 light-shielding structures
40 guide-lighting walls
41 through holes
42 perforation
50 illuminating parts
51 perforations
Specific embodiment
Structural principle and operation principle to the present invention is described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 3, it is that the utility model light-leading film switchs the exploded partial perspective view of first embodiment, office
Portion's top view and partial sectional view.In the present embodiment, light-leading film switch 1 is multi-layer film structure, including the first film
Layer 10, reflector layer 20, the second film layer 30 and guide-lighting wall 40.Wherein light-leading film switch 1 can be according to the difference of product
Aspect and correspondence make rectangle, square, circle or other irregular shapes.As an example it is assumed that light-leading film switch 1 is applied
In a physical keyboard, light-leading film switch 1 can make rectangle in response to the shape of physical keyboard.In addition, in this example, first
Film layer 10 be positioned at the bottom, the second film layer 30 then be located at top, reflector layer 20 be covered in the first film layer 10 towards
The surface of the second film layer 30, guide-lighting wall 40 are then located between reflector layer 20 and the second film layer 30.However, at some
Implement in aspect, the first film layer 10 of light-leading film switch 1 and the upper and lower configuration Guan Yike of the second film layer 30 are according to actual need
Work is asked to change.Additionally, for convenience of description with clearly show that, each layer of the light-leading film of Fig. 3 switch 1 is (the first film layer 10, reflective
The 20, second film layer 30 of layer and guide-lighting wall 40) sectional thickness is only and illustrates, the thickness proportion of actually each layer not with
This is limited, and first this chats bright.
As shown in Figure 1 to Figure 3, in the present embodiment, the first film layer 10 can be particularly a flexible film layer and first
A plurality of conducting wire 12 and multiple first trigger points 13 are set in film layer 10, and wherein the first film layer 10 can be polyimides
(Polyimide), PET (Polyethylene terephthalate) or Merlon
(Polycarbonate) film layer made by material such as.Conducting wire 12 can be particularly copper wire or other metallic circuits,
And by printing or etch process to be formed at the first film layer 10 towards the surface of the second film layer 30.Multiple first trigger points
13 are spaced the surface in the first film layer 10 towards the second film layer 30, and each first trigger point 13 can be particularly metal
Line pattern that (such as copper or silver) is formed (as circle, square, ellipse, trapezoidal or other difform patterns) is simultaneously electric
Property is connected to conducting wire 12 using as line switching.
As shown in Figure 1 to Figure 3, here, reflector layer 20 is to be covered in every conducting wire 12 and the first film layer 10
Surface (can for all surfaces or local surfaces), reflector layer 20 particularly can be made by reflectorized material, such as reflector layer 20
For a reflective ink layer, (such as light color inks, wherein light color can refer to white, light blue, light green color, light yellow or light grey etc.
Deng) or a reflective enamelled coating (such as light colour paint, wherein light color can refer to white, light blue, light green color, light yellow or light grey etc.
Deng), and be covered on surface of the every conducting wire 12 with the first film layer 10 using printing or spraying coating process and there is reflection
The function of light.Or, in certain embodiments, reflector layer 20 can be a reflective membrane (such as glass reflective film, PET reflective membrane
Or PVC reflective membrane) or reflector layer 20 may also be on the surface of a non-reflective membrane coating reflecting material and formed, this enforcement
Example is not limited to.
As shown in Figure 1 to Figure 3, in the present embodiment, the second film layer 30 includes multiple second trigger points 31 to correspond to
Each first trigger point 13 of the first film layer 10, the second film layer 30 can be particularly polyimides (Polyimide), gather to benzene
The material such as dioctyl phthalate second diester (Polyethylene terephthalate) or Merlon (Polycarbonate) is made
The film layer of the light-permeable for becoming.Multiple first trigger points 13 are spaced the table in the second film layer 30 towards the first film layer 10
Face, and each second trigger point 31 particularly can by formed by metal (such as copper or silver) line pattern (as circle, square,
Oval, trapezoidal or other difform patterns).Guide-lighting wall 40 includes multiple through holes 41, and these through holes 41 are right respectively
Positioned at each first trigger point 13 and the second trigger point 31, additionally, reflector layer 20 correspond to each first trigger point 13 also offer multiple
Escape hole 21, make reflector layer 20 that the first trigger point 13 will not be covered in, constitute between each first trigger point 13 and the second trigger point 31
Without any obstruct and with a spacing.Whereby, when the first trigger point 13 and the second trigger point 31 because pressurized and close to each other simultaneously
During contact, the first trigger point 13 and the second trigger point 31 mutual conduction can produce signal, that is to say, that guide-lighting wall 40 has
Play the role of to separate the first film layer 10 and the second film layer 30, the first trigger point 13 and the second trigger point 31 is made when not pressurized
Will not be contacted with each other conducting.
As shown in Figure 1 to Figure 3, here, guide-lighting wall 40 can be particularly a light guide plate (Light Guide Plate)
And have the effect for guiding light concurrently, for example, guide-lighting wall 40 can be by Merlon (PC), acrylic plastic cement (PMMA) or glass
With translucency made by material, the light for enabling external light source to enter guide-lighting wall 40 forms area source derivation.As Fig. 3
Shown, light-leading film switch 1 includes an illuminating part 50 (as LED) and a perforation 51, and wherein perforation 51 is through guide-lighting interval
Layer 40 and reflector layer 20, illuminating part 50 are mounted on the first film layer 10 and are electrically connected at conducting wire 12, additionally, luminous
Part 50 is located in above-mentioned perforation 51, and the light for enabling illuminating part 50 to be sent imports guide-lighting wall 40.However, one
In a little enforcement aspects, illuminating part 50 also can import light from 40 side of guide-lighting wall and can omit the setting of perforation 51.Whereby,
The utility model embodiment is covered in the conducting wire 12 of the first film layer 10 by reflector layer 20, makes entrance leaded light wall
40 light will not change photochromic during reflection because of the color of conducting wire 12, and reaching makes light-leading film switch 1 go out
The color of light is easier to control with the uniformity.This further coordinates schema to be described as follows.
As shown in figure 4, the application schematic diagram of first embodiment is switched for the utility model light-leading film, in the present embodiment
In, light-leading film switch 1 is to be applied to a keyboard and be arranged between each button 2 and base plate 3, when illuminating part 50 emits beam simultaneously
When importing guide-lighting wall 40, light can be reflected and conduction via the reflection of reflector layer 20 in guide-lighting wall 40, to carry
For 2 light source of button, keyboard is made to can be suitably used for dim use environment.The first film layer 10 due to the utility model embodiment
Conducting wire 12 is covered by reflector layer 20 and is intercepted, and makes the light will not be because of conduction in the reflection process of guide-lighting wall 40
Circuit 12 and change photochromic (for example light will not change over brass because of conducting wire 12 for copper wire).Additionally, this practicality
New embodiment can also adopt the reflector layer 20 of different colours according to product demand, and can be the ability to easily control out the color of light.Furthermore,
As reflector layer 20 has no any line construction towards the reflecting surface of guide-lighting wall 40 for a flat surface, reflector layer 20 is enable
Light is averagely reflected upwards, reaches the Luminescence Uniformity of lifting light-leading film switch 1.
As shown in figure 5, for the utility model light-leading film switch second embodiment partial sectional view, the present embodiment with upper
The difference for stating embodiment is that reflector layer 20 is only covered in every conducting wire 12, and the first film layer 10 can be reflective
Made by material, such as the first film layer 10 is a light film layer, and wherein light color can refer to white, light blue, light green color, pale yellow
Color or light gray etc.) or the first film layer 10 be a reflective membrane (such as glass reflective film, PET reflective membrane or PVC are reflective
Film), make the light of entrance leaded light wall 40 during reflection, light can be via reflector layer 20 and the first film layer 10
Reflection and in guide-lighting wall 40 conduct, equally can reach avoid light changes because of conducting wire 12 photochromic purpose and
Effect.
As shown in fig. 6, switching the exploded partial perspective view of 3rd embodiment, the present embodiment for the utility model light-leading film
It is with the difference of above-mentioned first embodiment, reflector layer 20A includes a dimmer control structure 22A, to adjust reflector layer 20A's
Reflecting effect.Here, dimmer control structure 22A is lattice point structure and is printed in reflector layer 20A towards the table of guide-lighting wall 40
Face, increases emitting brightness to improve reflecting effect, and wherein dimmer control structure 22A can be located at all surfaces of reflector layer 20A
To increase, light-leading film switchs the emitting brightness of 1 entirety or dimmer control structure 22A also can be located at the local of reflector layer 20A
Surface is to increase the local luminance of light-leading film switch 1, for example, dimmer control structure 22A can be only along guide-lighting wall 40
Perforation 42 periphery arrange, with increase perforation 42 positions brightness.
Hold, in certain embodiments, dimmer control structure 22A is in addition to for above-mentioned lattice point structure, alternatively light
Ink or light colour paint, this as shown in fig. 7, for the utility model light-leading film switch fourth embodiment partial sectional view, wherein
Second film layer 30 may include the transmittance section 32 corresponding to button 2, and such as the second film layer 30 is not necessary to appear the part of light
Light-shielding structure 33 (as dark colour paint or dark ink) can be set towards the surface of guide-lighting wall 40 at which, and be not provided with shading knot
The position of structure 33 forms transmittance section 32, so that light is concentrated from transmittance section 32 and goes out light, and the entirety of reflector layer 20B can white ink
Layer, and dimmer control structure 22B is the higher white ink of lightness the transmittance section 32 for being pointed to the second film layer 30, to produce
More preferably reflecting effect and increase emitting brightness.
As shown in figure 8, for the utility model light-leading film switch the 5th embodiment partial sectional view, the present embodiment with upper
The difference for stating fourth embodiment is that reflector layer 20C may include the first reflective areas 23, the second reflective areas 24 and brightness adjustment
Structure 22C, compared to the second reflective areas 24 more adjacent to illuminating part 50, dimmer control structure 22C is located at second for the first reflective areas 23
Reflective areas 24, make the reflectance factor of the second reflective areas 24 more than the reflectance factor of the first reflective areas 23.In detail, in general,
Guide-lighting wall 40 can be higher the closer to the regional luminance of illuminating part 50, therefore, through reflector layer 20C away from 50 region of illuminating part
Reflectance factor more than near 50 region of illuminating part reflectance factor, can make light-leading film switch 1 overall brightness more uniform.Lift
For example, reflector layer 20C can be integrally white ink layer, and dimmer control structure 22C is the higher white ink of lightness, to carry
Rising reflector layer 20C increases brightness away from the reflecting effect in 50 region of illuminating part, the area source for deriving guide-lighting wall 40
Brightness can be more uniform.Certainly, in certain embodiments, dimmer control structure 22C is alternatively and is printed in the second of reflector layer 20C
The lattice point structure on 24 surface of reflective areas, the present embodiment are not limited thereto.
Certainly, the utility model can also have other various embodiments, spiritual and its substantive without departing substantially from the utility model
In the case of, those of ordinary skill in the art when various corresponding changes and deformation can be made according to the utility model, but these
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (11)
1. a kind of light-leading film is switched, it is characterised in that included：
One the first film layer, arranges a plurality of conducting wire on the first film layer；
One reflector layer, is arranged on the first film layer and at least covers a plurality of conducting wire；
One second film layer；And
One guide-lighting wall, is located between the reflector layer and second film layer.
2. light-leading film as claimed in claim 1 is switched, it is characterised in that also include a transmitting light to the guide-lighting wall
Illuminating part, be arranged on the first film layer and be electrically connected at a plurality of conducting wire.
3. light-leading film as claimed in claim 1 is switched, it is characterised in that the first film layer is a light reflecting membrane layer.
4. light-leading film as claimed in claim 1 is switched, it is characterised in that the reflector layer all covers the first film layer
Surface, the first film layer are provided with multiple first trigger points, and the plurality of first trigger point is electrically connected with a plurality of leads in this
Electric line, the reflector layer corresponds to the plurality of first trigger point and offers respectively multiple escapes hole.
5. light-leading film as claimed in claim 4 switch, it is characterised in that second film layer is included corresponding to the plurality of the
Multiple second trigger points of one trigger point, the guide-lighting wall include multiple through holes, and the plurality of through hole is pointed to the plurality of respectively
First trigger point and the plurality of second trigger point.
6. light-leading film as claimed in claim 1 is switched, it is characterised in that the reflector layer also includes a dimmer control structure.
7. light-leading film as claimed in claim 6 is switched, it is characterised in that the dimmer control structure is a site, a light color
Ink or a light colour paint.
8. light-leading film as claimed in claim 6 is switched, it is characterised in that second film layer includes a transmittance section, should
Dimmer control structure corresponds to the transmittance section.
9. light-leading film as claimed in claim 6 is switched, it is characterised in that the guide-lighting wall offers a perforation, and this is bright
Degree adjustment structure is arranged along the perforation periphery.
10. light-leading film as claimed in claim 2 switch, it is characterised in that the reflector layer include one first reflective areas, one the
Two reflective areas and a dimmer control structure, first reflective areas adjacent to the illuminating part, the dimmer control structure located at this second
Reflective areas, the reflectance factor of second reflective areas are more than the reflectance factor of first reflective areas.
11. light-leading film switches as claimed in claim 1, it is characterised in that second film layer is towards the guide-lighting wall
Surface arrange a light-shielding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621036576.4U CN206003672U (en) | 2016-09-02 | 2016-09-02 | Light-leading film is switched |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621036576.4U CN206003672U (en) | 2016-09-02 | 2016-09-02 | Light-leading film is switched |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003672U true CN206003672U (en) | 2017-03-08 |
Family
ID=58193151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621036576.4U Active CN206003672U (en) | 2016-09-02 | 2016-09-02 | Light-leading film is switched |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799347A (en) * | 2017-10-30 | 2018-03-13 | 武汉理工大学 | A kind of in-mould injection thin film switch |
| CN110764192A (en) * | 2018-07-26 | 2020-02-07 | 群光电子股份有限公司 | Optical membrane switch device |
-
2016
- 2016-09-02 CN CN201621036576.4U patent/CN206003672U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799347A (en) * | 2017-10-30 | 2018-03-13 | 武汉理工大学 | A kind of in-mould injection thin film switch |
| CN110764192A (en) * | 2018-07-26 | 2020-02-07 | 群光电子股份有限公司 | Optical membrane switch device |
| CN110764192B (en) * | 2018-07-26 | 2021-03-30 | 群光电子股份有限公司 | Optical membrane switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |