CN102479635A - Keyboard, button assembly and button switch assembly - Google Patents
Keyboard, button assembly and button switch assembly Download PDFInfo
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- CN102479635A CN102479635A CN2010105749831A CN201010574983A CN102479635A CN 102479635 A CN102479635 A CN 102479635A CN 2010105749831 A CN2010105749831 A CN 2010105749831A CN 201010574983 A CN201010574983 A CN 201010574983A CN 102479635 A CN102479635 A CN 102479635A
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Abstract
The invention provides a keyboard which comprises a button assembly, a button switch assembly and a semitransparent film, wherein, the button assembly comprises a conductive transparent material layer and a non-transparent film, the button switch assembly comprises a substrate, a flexible circuit board and a light guide film, and the semitransparent film is positioned between the conductive transparent material layer and the light guide film and is used for at least shielding light refracted by a light guide lattice towards a corresponding light transmission pattern zone in a refraction zone. According to the keyboard of the invention, through setting the semitransparent film to shield the light refracted by the light guide lattice in the refraction zone of the light guide film, light transmission of the light transmission pattern zone is more uniform, and the light guide lattice in the refraction zone of the light guide film can not be viewed at a pattern surface. The invention also provides the button assembly and the button switch assembly.
Description
Technical field
The present invention relates to a kind of keyboard, button assembly and keyswitch assemblies, especially relate to a kind of tactile keyboard, touch key 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 character 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
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; Embodiment according to first aspect present invention proposes a kind of keyboard; Comprise: button assembly, said button assembly comprises: conductive transparent material layer, and opaque coating; Said opaque coating is located on the lower surface of said conductive transparent material layer and said opaque coating has at least one printing opacity pattern area, is formed with predetermined pattern in the said printing opacity pattern area; Keyswitch assemblies; Said keyswitch assemblies comprises: substrate, and flexible PCB, said flexible PCB are located on the upper surface of said substrate; And light guiding film; Said light guiding film is located on the upper surface of said flexible PCB, has at least one refracting sphere corresponding with said printing opacity pattern area on the said light guiding film, is provided with in the said refracting sphere to be used for the leaded light dot matrix of light to corresponding printing opacity pattern area refraction; And semi-transparent film, said semi-transparent film is between said conductive transparent material layer and light guiding film, in order to block at least by the light of the said leaded light dot matrix in the said refracting sphere to corresponding printing opacity pattern area refraction.
Embodiment according to second aspect present invention proposes a kind of button assembly, comprising: the conductive transparent material layer; Opaque coating, said opaque coating are located on the lower surface of said conductive transparent material layer and said opaque coating has the printing opacity pattern area, are formed with predetermined pattern in the said printing opacity pattern area; And semi-transparent film, said semi-transparent film is located on upper surface or the lower surface of said opaque coating and covers in said printing opacity pattern area at least.
Embodiment according to third aspect present invention proposes a kind of keyswitch assemblies, comprising: substrate; Flexible PCB, said flexible PCB are located on the upper surface of said substrate; Light guiding film, said light guiding film are located on the upper surface of said flexible PCB, have refracting sphere on the said light guiding film, are provided with the leaded light dot matrix that is used for refract 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 printing opacity 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:
Substrate 1, flexible PCB 2, light guiding film 3, leaded light dot matrix 31, semi-transparent film 4, opaque coating 5, printing opacity pattern area 51, conductive transparent material layer 6, light source 7.
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 conductive transparent material layer 6 and opaque coating 5.Opaque coating 5 is arranged on the lower surface of conductive transparent material layer 6, and opaque coating 5 has the printing opacity pattern area 51 of at least one light-permeable, in each printing opacity pattern area 51, all is formed with predetermined pattern.
Keyswitch assemblies comprises substrate 1, flexible PCB 2 and light guiding film 3.Flexible PCB 2 is arranged on the upper surface of substrate 1.Light guiding film 3 is arranged on the upper surface of flexible PCB 2, and has at least one refracting sphere corresponding with printing opacity pattern area 51 on the light guiding film 3.That is to say, the quantity of the printing opacity pattern area 51 of opaque coating 5 and position respectively with light guiding film 3 on refracting sphere corresponding.For example, when opaque coating 5 has a plurality of printing opacity pattern area 51, 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 51.Be provided with in each refracting sphere and be used for by a plurality of prominent points that on light guiding film 3, form with the leaded light dot matrix 31 (constituting) of light to the printing opacity pattern area corresponding 51 refractions with it.
Keyboard according to the embodiment of the invention; When light source 7 after for example the light that sends of LED arrives the leaded light dot matrix 31 in light guiding film 3 refracting spheres; Leaded light dot matrix 31 is with printing opacity pattern area 51 refractions of light to correspondence; Because semi-transparent film 4 has blocked the light of leaded light dot matrix 31 to corresponding printing opacity pattern area 51 refractions, so the printing opacity of printing opacity pattern area is more even, can not demonstrate the image of leaded light dot matrix 31 on the pattern.In other words, more even according to the keyboard of the embodiment of the invention from the light that the printing opacity pattern area appears, 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 4 is arranged on the upper surface or lower surface of opaque coating 5; And cover in printing opacity pattern area 51 at least, thus can partial occlusion by the light of the leaded light dot matrix 31 in the refracting sphere to printing opacity pattern area 51 refractions of correspondence, thereby the printing opacity of printing opacity pattern area is more even; Make and can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces, pattern A as shown in Figure 3 and square box pattern shown in Figure 4.
In a concrete example of the present invention, semi-transparent film 4 also can be arranged on the whole lower surface of opaque coating 5.
In an example of the present invention, semi-transparent film 4 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 can be formed on the lower surface or upper surface of opaque coating 5.The color of translucent printing ink and light transmittance, and the thickness of translucent printing ink layer can be confirmed according to specific requirement.
As shown in Figure 1, semi-transparent film 4 is arranged on the whole lower surface of opaque coating 5.Yet the present invention is not limited to this, as long as semi-transparent film 5 can block the light that the leaded light dot matrix 31 in light guiding film 3 refracting spheres is reflected.In some embodiments of the invention, also can be only semi-transparent film 4 be set in the position of each printing opacity pattern area 51 of correspondence of the upper surface of opaque coating 5 or lower surface.
In an example of the present invention, opaque coating 5 is the opaque ink layer, can use methods such as coating or printing that the opaque ink layer is arranged on the lower surface of conductive transparent material layer 6.The color of opaque ink, and the thickness of this opaque ink layer can be confirmed according to concrete application.In a preferred example of the present invention, the opaque ink layer is arranged on the lower surface of conductive transparent material layer 6 through printing, and the translucent printing ink layer is arranged on the entire upper surface or lower surface of opaque ink layer through printing.
In an example of the present invention, conductive transparent material layer 6 is a conductive glass plate, and conductive glass plate can be the poly (methyl methacrylate) plate of conduction or the unorganic glass plate of conduction, and the thickness of conductive glass plate can be the 0.6-1.2 millimeter.
Referring to figs. 2 and 3-4 keyboard is according to an embodiment of the invention described below.As shown in Figure 2; Semi-transparent film 4 is located at above the leaded light dot matrix 31 on the light guiding film 3 to block by the light of the leaded light dot matrix 31 in the refracting sphere towards printing opacity pattern area 51 refractions of correspondence at least; Thereby the printing opacity of printing opacity pattern area is more even, can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces.
In an example of the present invention, semi-transparent film 4 can cover the entire upper surface of light guiding film 3.In another example of the present invention, only the upper surface of the leaded light dot matrix 31 in all refracting spheres of light guiding film 3 is provided with semi-transparent film 4, and in other words, semi-transparent film 4 only covers in the leaded light dot matrix 31 in each refracting sphere.
In an example of the present invention, semi-transparent film 4 is the translucent printing ink layer, can utilize printing ink to pass through methods such as printing or coating and form this translucent printing ink layer.The color of translucent printing ink and light transmittance, and the thickness of this 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 transparent membrane of 0.1-0.3mm.Leaded light dot matrix 31 in each refracting sphere can utilize printing ink to be formed on the light guiding film 3 through modes such as printing, laser 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, thereby have advantages such as processing is easy, efficient is high, the thickness of the ink lay of formation is even through mode of printing.
In sum, according to the keyboard of the embodiment of the invention, semi-transparent film 4 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 51 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 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 is being set, can blocks the light that the leaded light dot matrix in the light guiding film refracting sphere is reflected, thereby can't see the leaded light dot matrix in the refracting sphere on the light guiding film 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 conductive transparent material layer 6, opaque coating 5 and semi-transparent film 4.Wherein, opaque coating 5 is arranged on the lower surface of conductive transparent material layer 6, and opaque coating 5 has printing opacity pattern area 51, in printing opacity pattern area 51, is formed with predetermined pattern.Semi-transparent film 4 is arranged on upper surface or the lower surface of opaque coating 5 and covers in printing opacity pattern area 51 at least; To block by the light of leaded light dot matrix 31 in the refracting sphere to printing opacity pattern area 51 refractions of correspondence; Thereby the printing opacity of printing opacity pattern area 51 is more even, can't see the leaded light dot matrix 31 in the refracting sphere on the light guiding film 3 from patterned surfaces.
The keyswitch assemblies of describing according to the embodiment of the invention with reference to figure 2 below.As shown in Figure 2, the keyswitch assemblies of the embodiment of the invention comprises substrate 1, flexible PCB 2, light guiding film 3 and semi-transparent film 4.Wherein, Flexible PCB 2 is arranged on the upper surface of substrate 1; Light guiding film 3 is arranged on the upper surface of flexible PCB 2; Have refracting sphere on the light guiding film 3, be provided with the leaded light dot matrix 31 that is used for refract light in this refracting sphere, semi-transparent film 4 is arranged on above the leaded light dot matrix 31 to block the light of leaded light dot matrix 31 refractions at least.In some embodiments of the invention; Thereby semi-transparent film 4 can cover the leaded light dot matrix that hides on the entire upper surface of light guiding film 3 in the refracting sphere; Alternatively, semi-transparent film 4 also can be only in refracting sphere above 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 4, 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 (11)
1. a keyboard is characterized in that, comprising:
Button assembly, said button assembly comprises:
The conductive transparent material layer and
Opaque coating, said opaque coating are located on the lower surface of said conductive transparent material layer and said opaque coating has at least one printing opacity pattern area, are formed with predetermined pattern in the said printing opacity pattern area;
Keyswitch assemblies, said keyswitch assemblies comprises:
Substrate,
Flexible PCB, said flexible PCB be located on the upper surface of said substrate and
Light guiding film, said light guiding film are located on the upper surface of said flexible PCB, have at least one refracting sphere corresponding with said printing opacity pattern area on the said light guiding film, are provided with in the said refracting sphere to be used for the leaded light dot matrix of light to corresponding printing opacity pattern area refraction; And
Semi-transparent film, said semi-transparent film are between said conductive transparent material layer and light guiding film, in order to block at least by the light of the said leaded light dot matrix in the said refracting sphere to corresponding printing opacity pattern area refraction.
2. keyboard according to claim 1 is characterized in that, said semi-transparent film is located on upper surface or the lower surface of said opaque coating and covers 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 whole lower surface of said opaque coating.
4. 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.
5. keyboard according to claim 4 is characterized in that said semi-transparent film covers in the entire upper surface of said light guiding film.
6. keyboard according to claim 1 is characterized in that, said conductive transparent material layer is a conductive glass plate.
7. keyboard according to claim 1 is characterized in that, said semi-transparent film is the translucent printing ink layer.
8. a button assembly is characterized in that, comprising:
The conductive transparent material layer;
Opaque coating, said opaque coating are located on the lower surface of said conductive transparent material layer and said opaque coating has the printing opacity pattern area, are formed with predetermined pattern in the said printing opacity pattern area; With
Semi-transparent film, said semi-transparent film are located on upper surface or the lower surface of said opaque coating and cover in said printing opacity pattern area at least.
9. button assembly according to claim 8 is characterized in that, said semi-transparent film covers on the whole lower surface of said opaque coating.
10. a keyswitch assemblies is characterized in that, comprising:
Substrate;
Flexible PCB, said flexible PCB are located on the upper surface of said substrate;
Light guiding film, said light guiding film are located on the upper surface of said flexible PCB, have refracting sphere on the said light guiding film, are provided with the leaded light dot matrix that is used for refract 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.
11. keyswitch assemblies according to claim 10 is characterized in that, said semi-transparent film covers in the entire upper surface of said light guiding film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105749831A CN102479635A (en) | 2010-11-26 | 2010-11-26 | Keyboard, button assembly and button switch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105749831A CN102479635A (en) | 2010-11-26 | 2010-11-26 | Keyboard, button assembly and button switch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102479635A true CN102479635A (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105749831A Pending CN102479635A (en) | 2010-11-26 | 2010-11-26 | Keyboard, button assembly and button switch assembly |
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| Country | Link |
|---|---|
| CN (1) | CN102479635A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644825A (en) * | 2018-07-17 | 2018-10-12 | 广东太古电器科技有限公司 | A kind of display structure and electromagnetic oven |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122536Y (en) * | 2007-11-01 | 2008-09-24 | 中兴通讯股份有限公司 | Touch key structure and light guiding module |
| EP2136225A1 (en) * | 2008-06-19 | 2009-12-23 | LG Electronics Inc. | Mobile terminal |
| CN101727140A (en) * | 2008-10-22 | 2010-06-09 | 三星电子株式会社 | Visual design display device |
| JP2010225346A (en) * | 2009-03-23 | 2010-10-07 | Panasonic Corp | Light guide sheet and moving contact body using the same |
-
2010
- 2010-11-26 CN CN2010105749831A patent/CN102479635A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122536Y (en) * | 2007-11-01 | 2008-09-24 | 中兴通讯股份有限公司 | Touch key structure and light guiding module |
| EP2136225A1 (en) * | 2008-06-19 | 2009-12-23 | LG Electronics Inc. | Mobile terminal |
| CN101727140A (en) * | 2008-10-22 | 2010-06-09 | 三星电子株式会社 | Visual design display device |
| JP2010225346A (en) * | 2009-03-23 | 2010-10-07 | Panasonic Corp | Light guide sheet and moving contact body using the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644825A (en) * | 2018-07-17 | 2018-10-12 | 广东太古电器科技有限公司 | A kind of display structure and electromagnetic oven |
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Application publication date: 20120530 |