CN102479634A - Key assembly, key switch assembly and keyboard - Google Patents
Key assembly, key switch assembly and keyboard Download PDFInfo
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- CN102479634A CN102479634A CN2010105749704A CN201010574970A CN102479634A CN 102479634 A CN102479634 A CN 102479634A CN 2010105749704 A CN2010105749704 A CN 2010105749704A CN 201010574970 A CN201010574970 A CN 201010574970A CN 102479634 A CN102479634 A CN 102479634A
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Abstract
The invention discloses a keyboard that comprises a key assembly, a key switch assembly and a semi-transparent film. The key assembly includes a transparent material layer, a non-transparent film, and a transparent elastomer layer. The key switch assembly consists of a substrate, at least a protrudent switch, and a light guide film (LGF). And the semi-transparent film is arranged between the transparent material layer and the LGF or is arranged at the upper surface of the transparent material layer, so that light that is refracted by a light guide lattice in a refraction region towards a corresponded light-transmitting pattern region can be shielded at least. According to the keyboard provided in the invention, a light guide lattice that is on an LGF in a refraction region can not be seen from the surface of a pattern; and light transmission in a light-transmitting pattern region is uniform; therefore, user experience is improved. In addition, the invention also brings forward a key assembly and a key switch assembly.
Description
Technical field
The present invention relates to a kind of button assembly, keyswitch assemblies and keyboard, especially relate to a kind of mechanical type keyboard, button assembly and keyswitch assemblies.
Background technology
The portable terminal for example button of mobile phone normally is delivered to predetermined printing opacity pattern area through the light that the last optics leaded light dot matrix that is provided with of light guiding film (LGF:light guide film) sends LED; Thereby can illuminate said printing opacity pattern area, make the user can see pattern clearly.
But, the present inventor above-mentioned traditional keyboard is studied with use in find, can demonstrate the image of the optics leaded light dot matrix on the light guiding film on the character on the above-mentioned keyboard, thereby make the printing opacity pattern area printing opacity of portable terminal keyboard inhomogeneous.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
For this reason, one object of the present invention is to propose a kind of printing opacity keyboard more uniformly.
Another object of the present invention is to propose a kind of button assembly of keyboard.
A purpose more of the present invention is to propose a kind of keyswitch assemblies of keyboard.
To achieve these goals, propose a kind of keyboard according to the embodiment of first aspect present invention, said keyboard comprises: button assembly; Said button assembly comprises: transparent material layer; Opaque coating, said opaque coating is located on the lower surface of said transparent material layer, and said opaque coating has at least one printing opacity pattern area; Be formed with predetermined pattern in the said printing opacity pattern area; With transparent elastomer layer, said elastomer layer is located on the lower surface of said opaque coating, and the lower surface of said elastomer layer is provided with at least one convexity corresponding with said printing opacity pattern area; Keyswitch assemblies; Said keyswitch assemblies comprises: substrate, at least one protruding switch, said protruding switch are located on the said substrate and with said at least one is protruding corresponding; And light guiding film; Said light guiding film is located at above the said protruding switch, has on the said light guiding film and at least one corresponding refracting sphere of said at least one printing opacity pattern area, is provided with in the said refracting sphere to be used for the leaded light dot matrix of light to the said printing opacity pattern area refraction of correspondence; And semi-transparent film, said semi-transparent film is located between said transparent material layer and the light guiding film or on the upper surface of transparent material layer, in order to block at least by the light of the said leaded light dot matrix in the said refracting sphere to the said printing opacity pattern area refraction of correspondence.
Embodiment according to second aspect present invention proposes a kind of button assembly, comprising: transparent material layer; Opaque coating, said opaque coating is located on the lower surface of said transparent material layer, and said opaque coating has the printing opacity pattern area, in said printing opacity pattern area, is formed with predetermined pattern; With transparent elastomer layer, the lower surface of said elastomer layer is provided with and the corresponding convexity of said printing opacity pattern area, and said elastomer layer is located on the lower surface of said opaque coating; And semi-transparent film, said semi-transparent film is located on said transparent material layer, opaque coating or the elastomer layer and covers in said printing opacity pattern area at least.
Embodiment according to third aspect present invention proposes a kind of keyswitch assemblies, and said keyswitch assemblies comprises: substrate; Protruding switch, said protruding switch is located on the said substrate; And light guiding film, said light guiding film is located at above the said protruding switch, has refracting sphere on the said light guiding film, is provided with the leaded light dot matrix of refrangible light in the said refracting sphere; And semi-transparent film, said semi-transparent film is located at above the said refracting sphere to block the light of said leaded light dot matrix refraction at least.
Keyboard according to the embodiment of the invention; Button assembly and keyswitch assemblies; Through semi-transparent film is set; Block the light that the interior leaded light dot matrix of light guiding film refracting sphere is refracted to the printing opacity pattern area, make and can't see the leaded light dot matrix in the refracting sphere on the light guiding film, thereby make that the printing opacity of pattern area is more even from the light-permeable pattern area of button.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the structural representation of keyboard according to an embodiment of the invention;
Fig. 2 is the structural representation of keyboard in accordance with another embodiment of the present invention;
Fig. 3 and Fig. 4 are the visual effect figure according to the pattern of the keyboard of the embodiment of the invention;
Fig. 5 and Fig. 6 are the visual effect figure of pattern of the keyboard of prior art.
Description of reference numerals:
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; Term " vertically ", " laterally ", " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the present invention rather than requiring the present invention therefore can not be interpreted as limitation of the present invention with specific azimuth configuration and operation.
With reference to Fig. 1-4 keyboard according to the embodiment of the invention is described below.Shown in Fig. 1-4, the keyboard of the embodiment of the invention comprises button assembly, keyswitch assemblies and semi-transparent film.
More specifically, button assembly comprises transparent material layer 10, opaque coating 9 and transparent elastomer layer 7.Opaque coating 9 is arranged on the lower surface of transparent material layer 10, and opaque coating 9 has the printing opacity pattern area 91 of at least one light-permeable, in each printing opacity pattern area 91, can be formed with predetermined pattern.Transparent elastomer layer 7 is arranged on the lower surface of opaque coating 9, and the lower surface of transparent elastomer layer 7 is provided with at least one corresponding with printing opacity pattern area 91 protruding 71.That is to say, the quantity of the printing opacity pattern area 91 of opaque coating 9 and position respectively with the lower surface of transparent elastomer layer 7 on convexity 71 corresponding.For example, when opaque coating 9 had a plurality of printing opacity pattern area 91, the lower surface of transparent elastomer layer 7 was provided with and said a plurality of printing opacity pattern area 91 a plurality of one to one protruding 71.The user is through making corresponding protruding 71 to move down and touch keyswitch assemblies by hitting printing opacity pattern area 91, thereby accomplishes the input of pattern.In order to illustrate better, the part of the leftmost side of Fig. 1 and Fig. 2 illustrates the sectional structure chart after the separating of button assembly and keyswitch assemblies.
Keyswitch assemblies comprises substrate 1, at least one protruding switch 2 and light guiding film 3.Protruding switch 2 is arranged on the substrate 1, and the convexity 71 on the lower surface of protruding switch 2 and transparent elastomer layer 7 is corresponding.That is to say; The quantity of the convexity 71 on the lower surface of transparent elastomer layer 7 and position are corresponding with protruding switch 2 on the substrate 1; For example be provided with a plurality of protrudingly 71 the time when the lower surface of transparent elastomer layer 7, substrate 1 is provided with and said a plurality of protruding 71 a plurality of one to one protruding switches 2.Protruding 71 touch the input that protruding switch 2 is accomplished pattern.
Light guiding film 3 be arranged on protruding switch 2 above, have at least one refracting sphere corresponding on the light guiding film 3 with printing opacity pattern area 91.That is to say that the quantity of the printing opacity pattern area 91 of opaque coating 9 and position are corresponding with refracting sphere on the light guiding film 3.For example, when opaque coating 9 has a plurality of printing opacity pattern area 91, have on the light guiding film 3 and a plurality of one to one refracting spheres of said a plurality of printing opacity pattern area 91.Be provided with in each refracting sphere and be used for by a plurality of prominent points that on light guiding film, form with the leaded light dot matrix 31 (constituting) of light to the printing opacity pattern area corresponding 91 refractions with it.
Keyboard according to the embodiment of the invention; When light source 4 after for example the light that sends of LED arrives on the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3; Leaded light dot matrix 31 is with printing opacity pattern area 91 refractions of light to correspondence, because semi-transparent film 8 has blocked the light of leaded light dot matrix 31 towards corresponding printing opacity pattern area 91 refractions, so the keyboard printing opacity is more even; Can not demonstrate the image of leaded light dot matrix 31 thus on the pattern, pattern displaying effective.In other words, according to the keyboard of the embodiment of the invention, can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces.
With reference to figure 1 and Fig. 3-4 keyboard is according to an embodiment of the invention described below.
As shown in Figure 1; Semi-transparent film 8 is arranged on opaque coating 9 and goes up to cover in printing opacity pattern area 91 at least with one of elastomer layer 7; Thereby can partial occlusion by the light of the leaded light dot matrix 31 in the refracting sphere to printing opacity pattern area 91 refractions of correspondence; Make and can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces, printing opacity is more even, pattern A as shown in Figure 3 and square box pattern shown in Figure 4.
In concrete example, semi-transparent film 8 can be arranged on the upper surface or lower surface of opaque coating.
In some embodiments of the invention, as shown in Figure 1, semi-transparent film 8 is arranged on the whole lower surface of opaque coating 9.Semi-transparent film 8 need to prove that the present invention is not limited to this, as long as can block the light that the interior leaded light dot matrix 31 of refracting sphere of light guiding film 3 is reflected.
In an example of the present invention, semi-transparent film 8 is the translucent printing ink layer, can utilize printing ink to pass through methods such as printing or coating and form the translucent printing ink layer, for example, is formed on the lower surface of opaque coating 9.The color of translucent printing ink layer and light transmittance and thickness can be confirmed according to specific requirement.
As stated, semi-transparent film 8 can only cover in printing opacity pattern area 91 on opaque coating 9, also can cover on the entire upper surface or lower surface of opaque coating 9.
In an example of the present invention, opaque coating 9 is the opaque ink layer, specifically can use methods such as coating or printing to form.The color of opaque ink, and the thickness of this transparent ink layer can be confirmed according to concrete application.In a preferred example of the present invention, the opaque ink layer is located on the lower surface of transparent material layer 10 through printing, and translucent printing ink layer 8 can be formed on the entire upper surface or lower surface of opaque ink layer through printing.
In an example of the present invention, transparent material layer 10 is thin transparent diaphragm or the injection molded keycap of transparent resin.
With reference to figure 2 keyboard is according to another embodiment of the present invention described below.As shown in Figure 2, semi-transparent film 8 is arranged in the keyswitch assemblies.Specifically; Semi-transparent film 8 is arranged on all above the refracting sphere at least; Blocking by the light of the leaded light dot matrix 31 in the refracting sphere to 91 refractions of the printing opacity pattern area of correspondence, thereby can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces, the printing opacity of printing opacity pattern area is more even.
In an example of the present invention, semi-transparent film 8 can be set on the entire upper surface of light guiding film 3, promptly semi-transparent film 8 hides entire upper surface in light guiding film 3 to cover in the leaded light dot matrix 31 in each refracting sphere.In another example of the present invention, can be only semi-transparent film 8 be set at all refracting sphere upper surfaces of light guiding film 3, in other words, semi-transparent film 8 only covers in the leaded light dot matrix 31 in each refracting sphere.
In an example of the present invention; Semi-transparent film 8 is the translucent printing ink layer; For example use printing ink to pass through methods such as printing or coating and form the translucent printing ink layer, the color of translucent printing ink and light transmittance, and the thickness of translucent printing ink layer can be confirmed according to concrete application.
In an example of the present invention, light guiding film 3 is that thickness is the 0.1-0.3mm transparent membrane.Leaded light dot matrix 31 in each refracting sphere can utilize printing ink to be formed on light guiding film 3 through modes such as printing, laser processing or mold pressings.In a preferred example of the present invention, utilize printing ink on light guiding film 3, to be formed for the leaded light dot matrix 31 of refract light through mode of printing, thus advantage such as the processing of leaded light dot matrix 31 is easy, efficient is high, the thickness of the ink lay that forms is even.
In an example of the present invention, protruding switch 2 is processed by the elastic sheet metal of domed, and promptly protruding switch 2 is a domed.In an example of the present invention, move on substrate 1 for fear of protruding switch 2, between each protruding switch 2 and light guiding film 3, be provided with the transparent membrane 5 that is used for fixing protruding switch 2.The thickness of transparent membrane 5 is preferably 0.05mm-0.1mm.Can prolong the useful life of keyswitch assemblies of the present invention through between each protruding switch 2 and light guiding film 3, being provided with the transparent membrane 5 that is used for fixing protruding switch 2.
In an example of the present invention, on substrate 1, around each protruding switch 2, can also be provided with PETG (PET:polyethylene terephthalate) film 6 that is used for fixing protruding switch 2.PET film 6 has excellent physical and mechanical properties, also can prolong the useful life of keyswitch assemblies through on substrate 1, around each protruding switch 2, being provided with the PET film 6 that is used for fixing protruding switch 2.
In sum, according to the keyboard of the embodiment of the invention, semi-transparent film 8 that the position is set is flexible, as long as can block from leaded light dot matrix 31 just passable to the light of printing opacity pattern area 91 refractions.
With reference to Fig. 3-6; Wherein, Fig. 5 and Fig. 6 are the visual effect figure of pattern of the keyboard of prior art, and Fig. 3 and 4 is the visual effect figure according to the pattern of the keyboard of the embodiment of the invention, can find out from Fig. 5 and Fig. 6; The printing opacity pattern area printing opacity of existing keyboard is inhomogeneous, can demonstrate the image of the optics leaded light dot matrix on the light guiding film on the pattern.And can find out by Fig. 3 and Fig. 4; Through semi-transparent film 8 is being set, leaded light dot matrix 31 refract lights in can the refracting sphere of partial occlusion light guiding film 3, thus can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces; Therefore can make printing opacity more even, improve user experience.
Below the simple button assembly of describing according to the embodiment of the invention.As shown in Figure 1, the button assembly of the embodiment of the invention comprises transparent material layer 10, opaque coating 9, transparent elastomer layer 7 and semi-transparent film 8.Opaque coating 9 is arranged on the lower surface of transparent material layer 10, and opaque coating 9 has printing opacity pattern area 91, in printing opacity pattern area 91, is formed with predetermined pattern.Transparent elastomer layer 7 is arranged on the lower surface of opaque coating 9, and the lower surface of transparent elastomer layer 7 is provided with the convexity 71 corresponding with printing opacity pattern area 91.Semi-transparent film 8 is arranged on opaque coating 9 and goes up and cover at least printing opacity pattern area 91 with one of transparent elastomer layer 7; To block by the light of the leaded light dot matrix 31 in the refracting sphere to printing opacity pattern area 91 refractions of correspondence; Thereby can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces; The printing opacity of printing opacity pattern area is more even, improves user experience.In specific embodiments more of the present invention, semi-transparent film 8 can be the upper surface that is formed on opaque coating 9 or the translucent printing ink layer on the lower surface.
The keyswitch assemblies of describing according to the embodiment of the invention with reference to figure 2 below.As shown in Figure 2, comprise substrate 1, protruding switch 2, light guiding film 3 and semi-transparent film 8 according to the keyswitch assemblies of the embodiment of the invention.Protruding switch 2 is arranged on the substrate 1.Light guiding film 3 be located at protruding switch 2 above, and have refracting sphere on the light guiding film 3, in refracting sphere, be provided with the leaded light dot matrix 31 (constituting) that is used for refract light by a plurality of prominent points that on light guiding film, form.Semi-transparent film 8 is arranged on above the refracting sphere blocking the light of leaded light dot matrix 31 refractions at least, thereby makes printing opacity more even, can't see the leaded light dot matrix 31 on the light guiding film 3 from patterned surfaces.
In some embodiments of the invention; Semi-transparent film 8 can cover in the entire upper surface of light guiding film 3 to hide the leaded light dot matrix 31 in the refracting sphere; Alternatively, semi-transparent film 8 also can be only on refracting sphere so that hide the leaded light dot matrix in each refracting sphere.
According to the keyswitch assemblies of the embodiment of the invention, owing to be provided with semi-transparent film 8, so the printing opacity of printing opacity pattern area is more even.
In embodiments of the present invention, the printing opacity pattern area 91 of said opaque coating 9 can be the pattern area that pattern constituted that plays indicative function that is made up of character etc., also can be the pattern area that pattern constituted that plays decoration function.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (14)
1. a keyboard is characterized in that, comprising:
Button assembly, said button assembly comprises:
Transparent material layer,
Opaque coating, said opaque coating is located on the lower surface of said transparent material layer, and said opaque coating has at least one printing opacity pattern area, be formed with in the said printing opacity pattern area predetermined pattern and
Transparent elastomer layer, said elastomer layer is located on the lower surface of said opaque coating, and the lower surface of said elastomer layer is provided with at least one convexity corresponding with said printing opacity pattern area;
Keyswitch assemblies, said keyswitch assemblies comprises:
Substrate,
At least one protruding switch, said protruding switch be located on the said substrate and with said at least one protruding corresponding and
Light guiding film; Said light guiding film is located at above the said protruding switch; Have on the said light guiding film and at least one corresponding refracting sphere of said at least one printing opacity pattern area, be provided with in the said refracting sphere and be used for the leaded light dot matrix of light to the said printing opacity pattern area refraction of correspondence; And
Semi-transparent film, said semi-transparent film are located between said transparent material layer and the light guiding film or on the upper surface of transparent material layer, in order to block at least by the light of the said leaded light dot matrix in the said refracting sphere to the said printing opacity pattern area refraction of correspondence.
2. keyboard according to claim 1 is characterized in that, said semi-transparent film is located at one of said opaque coating and said elastomer layer and goes up to cover in said printing opacity pattern area at least.
3. keyboard according to claim 2 is characterized in that, said semi-transparent film is located on the upper surface or lower surface of said opaque coating.
4. keyboard according to claim 3 is characterized in that, said semi-transparent film is located on the whole lower surface of said opaque coating.
5. keyboard according to claim 1 is characterized in that, said semi-transparent film is located at above the leaded light dot matrix on the said light guiding film at least.
6. keyboard according to claim 5 is characterized in that said semi-transparent film covers in the entire upper surface of said light guiding film.
7. keyboard according to claim 1 is characterized in that, said semi-transparent film is the translucent printing ink layer.
8. keyboard according to claim 1 is characterized in that, said transparent material layer is thin transparent diaphragm or the injection molded keycap of transparent resin.
9. keyboard according to claim 1 is characterized in that, is provided with the transparent membrane that is used for fixing said protruding switch between said protruding switch and the said light guiding film.
10. keyboard according to claim 1 is characterized in that, around said the above protruding switch of substrate, is provided with the PET film that is used for fixing said protruding switch.
11. a button assembly is characterized in that, comprising:
Transparent material layer;
Opaque coating, said opaque coating is located on the lower surface of said transparent material layer, and said opaque coating has the printing opacity pattern area, in said printing opacity pattern area, is formed with predetermined pattern; With
Transparent elastomer layer, the lower surface of said elastomer layer are provided with and the corresponding convexity of said printing opacity pattern area, and said elastomer layer is located on the lower surface of said opaque coating; With
Semi-transparent film, said semi-transparent film are located on said transparent material layer, opaque coating or the elastomer layer and cover in said printing opacity pattern area at least.
12. button assembly according to claim 11 is characterized in that, said semi-transparent film is the translucent printing ink layer.
13. a keyswitch assemblies is characterized in that, comprising:
Substrate;
Protruding switch, said protruding switch is located on the said substrate; With
Light guiding film, said light guiding film are located at above the said protruding switch, have refracting sphere on the said light guiding film, are provided with the leaded light dot matrix of refrangible light in the said refracting sphere; With
Semi-transparent film, said semi-transparent film are located at above the said refracting sphere to block the light of said leaded light dot matrix refraction at least.
14. keyswitch assemblies according to claim 13 is characterized in that, said semi-transparent film covers the entire upper surface of said light guiding film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105749704A CN102479634A (en) | 2010-11-26 | 2010-11-26 | Key assembly, key switch assembly and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105749704A CN102479634A (en) | 2010-11-26 | 2010-11-26 | Key assembly, key switch assembly and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102479634A true CN102479634A (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105749704A Pending CN102479634A (en) | 2010-11-26 | 2010-11-26 | Key assembly, key switch assembly and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102479634A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448484A (en) * | 2016-11-09 | 2017-02-22 | 珠海格力电器股份有限公司 | Transparent-display face membrane, electric appliance display panel with same and electric appliance |
| CN109741984A (en) * | 2013-09-30 | 2019-05-10 | 苹果公司 | The keycap that thickness reduces |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335220Y (en) * | 1998-07-14 | 1999-08-25 | 永欣昌科技股份有限公司 | Structure improved advertisement board |
| CN201160046Y (en) * | 2008-01-24 | 2008-12-03 | 比亚迪股份有限公司 | Light conductive film switch |
| JP2010225346A (en) * | 2009-03-23 | 2010-10-07 | Panasonic Corp | Light guide sheet and moving contact body using the same |
| CN201655596U (en) * | 2010-04-13 | 2010-11-24 | 英华达（上海）科技有限公司 | Light guiding structure of light-transmitting button |
-
2010
- 2010-11-26 CN CN2010105749704A patent/CN102479634A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335220Y (en) * | 1998-07-14 | 1999-08-25 | 永欣昌科技股份有限公司 | Structure improved advertisement board |
| CN201160046Y (en) * | 2008-01-24 | 2008-12-03 | 比亚迪股份有限公司 | Light conductive film switch |
| JP2010225346A (en) * | 2009-03-23 | 2010-10-07 | Panasonic Corp | Light guide sheet and moving contact body using the same |
| CN201655596U (en) * | 2010-04-13 | 2010-11-24 | 英华达（上海）科技有限公司 | Light guiding structure of light-transmitting button |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741984A (en) * | 2013-09-30 | 2019-05-10 | 苹果公司 | The keycap that thickness reduces |
| CN106448484A (en) * | 2016-11-09 | 2017-02-22 | 珠海格力电器股份有限公司 | Transparent-display face membrane, electric appliance display panel with same and electric appliance |
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Application publication date: 20120530 |