CN202102940U - Keyboard apparatus - Google Patents
Keyboard apparatus Download PDFInfo
- Publication number
- CN202102940U CN202102940U CN 201120203392 CN201120203392U CN202102940U CN 202102940 U CN202102940 U CN 202102940U CN 201120203392 CN201120203392 CN 201120203392 CN 201120203392 U CN201120203392 U CN 201120203392U CN 202102940 U CN202102940 U CN 202102940U
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- CN
- China
- Prior art keywords
- light component
- circuit film
- circuit
- leaded light
- key board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Provided is a keyboard apparatus, comprising: a light guide assembly having a light-emitting surface, a light source which gives out light toward the light guide assembly, a circuit membrane set arranged upon the light-emitting surface and having an upper circuit membrane, an insulating layer, and a lower circuit membrane, and a keyboard module arranged upon the circuit membrane set, wherein the insulating layer is arranged between the upper circuit membrane and the lower circuit membrane; and the upper circuit membrane and the lower circuit membrane are made of same material. As the upper circuit membrane and the lower circuit membrane of the circuit membrane set are made of same material, when the edges of the upper circuit membrane and the lower circuit membrane are bonded, the adhesion intensity can be substantially improved, thereby improving the reliability of the product.
Description
Technical field
The utility model relates to a kind of key board unit, relates in particular to the structure of this device device.
Background technology
Keyboard is present modal input unit, and it can be to be external in electronic installation to use or be embedded in electronic installation, and for example mobile computer uses.No matter be which kind of is used, the reliability person of being to use of keyboard selects one of key factor of product.
General keyboard mainly comprises the circuit diaphragm group of button and its below, and user's pressing keys is with the circuit diaphragm group below touching, and then the generation press signal.Circuit diaphragm group of the prior art comprises circuit film, middle dielectric film and the LGP with circuit, wherein goes up circuit film and is and LGP binds, and is middle then make the LGP of going up circuit film and having a circuit insulate across dielectric film.
Yet LGP is to use different materials with last circuit film, thereby goes up circuit film and the LGP edge with circuit when binding, and therefore tack strength also can reduce, and causes the reliability of product also to reduce.
Therefore, how a kind of key board unit is provided, can improves the reliability of product, real is one of current important problem.
Summary of the invention
The utility model technical issues that need to address have provided a kind of key board unit, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme:
The utility model comprises: a leaded light component; Described leaded light component has an exiting surface; One light source; Described light source is luminous towards this leaded light component; Also comprise: a circuit diaphragm group; Described circuit diaphragm group is arranged on this exiting surface, and has circuit film on, an insulating barrier and circuit film once; This insulating barrier is on this between circuit film and this time circuit film, and it is identical with the material of this time circuit film to go up circuit film; An and Keysheet module; Described Keysheet module is arranged on this circuit diaphragm group.
Compared with prior art; The beneficial effect of the utility model is: because circuit film is identical with the material of following circuit film on the circuit diaphragm group; Thereby the edge of going up circuit film and following circuit film is when binding, and its tack strength can significantly promote, and then the reliability of lifting product; In addition, the material of last circuit film and following circuit film can be PET, thereby significantly promotes conductivity and help signal and conduct, and also helps stable on heating lifting.
Description of drawings
Fig. 1 is the decomposing schematic representation of the key board unit of the utility model first embodiment;
Fig. 2 is the generalized section of a kind of circuit film sheet group of the utility model;
Fig. 3 is the decomposing schematic representation of the key board unit of the utility model second embodiment;
Fig. 4 is the schematic side view after the key board unit of the utility model second embodiment makes up;
Fig. 5 is the sketch map of a kind of key board unit of the utility model the 3rd embodiment; And
Fig. 6 is the sketch map of a kind of key board unit of the utility model the 4th embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
The utility model comprises a leaded light component, a light source, a circuit diaphragm group and a Keysheet module.Leaded light component has an exiting surface.Light source is luminous towards leaded light component.Circuit diaphragm group is arranged on the exiting surface, and has circuit film on, an insulating barrier and circuit film once, and insulating barrier is between last circuit film and following circuit film, and it is identical with the material of following circuit film to go up circuit film.Keysheet module is arranged on the circuit diaphragm group.
In one embodiment, light source is arranged on one of leaded light component side or is embedded in leaded light component.
In one embodiment, last circuit film is PET with the material of following circuit film.
In one embodiment, key board unit more comprises a photomask, is arranged between leaded light component and the circuit diaphragm group.
In one embodiment, key board unit more comprises a photomask, is arranged between circuit diaphragm group and the Keysheet module.
In one embodiment, the plural button of leaded light component corresponding keys disk module has optical microstructures respectively.
In one embodiment, the size of photomask is the size greater than leaded light component.
In one embodiment, photomask is to coat one of part leaded light component side at least.
In one embodiment, the exiting surface of leaded light component has a light-shielding pattern, and light-shielding pattern is the part light that blocks by the exiting surface ejaculation.
In one embodiment, circuit diaphragm group has a light-shielding pattern, and light-shielding pattern is the part light that blocks by the leaded light component ejaculation.
Please with reference to shown in Figure 1, a kind of key board unit 1 of the utility model first embodiment comprises a leaded light component 11, a light source 12, a circuit diaphragm group 13 and a Keysheet module 14.
The utility model does not limit the shape of leaded light component 11, and it can be flat board or clapboard, is to be example with a leaded light flat board at this.Leaded light component 11 has an exiting surface 112, the surface that is defined as leaded light component that this light passes 11 of exiting surface 112.
Please be simultaneously with reference to Fig. 1 and Fig. 2, wherein Fig. 2 is the generalized section of circuit diaphragm group 13.As user not during the button 141 of pressing key disk module 14, last circuit film 131 and following circuit film 133 are owing to insulating barrier 132 and electrical isolation.When the button 141 of user's pressing key disk module 14, last circuit film 131 contact down circuit film 133 owing to pressing under the Keysheet module 14, thereby produces press signal, and press signal is passed through processing can learn the button 141 that the user pushes.
Please with reference to Fig. 3 and Fig. 4 a kind of key board unit 2 with explanation the utility model second embodiment, wherein Fig. 3 be the decomposing schematic representation of key board unit 2, and Fig. 4 is the schematic side view after key board unit 2 makes up.
Key board unit 2 comprises a leaded light component 21, a light source 22, a circuit diaphragm group 23 and a Keysheet module 24.Leaded light component 21 has an incidence surface 211 and an exiting surface 212.Light source 22 is luminous towards leaded light component 21, and the light that is sent system gets into leaded light component 21 via incidence surface 211.Circuit diaphragm group 23 is arranged on the exiting surface 212, and has circuit film 231 on, an insulating barrier 232 and circuit film 233 once, only illustrates the circuit diaphragm group 23 of combination back at this.Wherein, insulating barrier 232 is between last circuit film 231 and following circuit film 233, and it is identical with the material of following circuit film 233 to go up circuit film 231, helps the bonding of circuit film 231 and following circuit film 233, to put forward the reliability of circuit diaphragm group 23.Keysheet module 24 is arranged on the circuit diaphragm group 23.Because the technical characterictic of said modules details at first embodiment, so repeat no more.
In addition; The key board unit 2 of present embodiment more can comprise a photomask 25; It is arranged between leaded light component 21 and the circuit diaphragm group 23, and has plural transmittance section 251, and those transmittance sections 251 are that plural button 241 transmittance sections 251 of corresponding keys disk module 24 respectively can be opening or light-transmissive film.Leaded light component 21 is incident upon these buttons 241 from the light system that exiting surface 212 sent by transmittance section 251, makes key board unit 2 can become an illuminated keyboard device.And, by the setting of photomask 25, can avoid light between those buttons 241, to spill.
In addition, the size of photomask 25 is the sizes greater than leaded light component 21, makes photomask 25 can coat the side of part leaded light component 21 at least, to avoid the side light leakage of leaded light component 21.At this, be the exiting surface that envelopes leaded light component 21 with photomask 25 downwards, and the side that reflexed covers leaded light component 21 is an example.In the present embodiment, key board unit 2 more can comprise a reflecting piece 26, and reflecting piece 26 is arranged on leaded light component 21 with respect to one of exiting surface 212 side, with the light that will be penetrated by leaded light component 21 bottom surfaces, reflected back leaded light component 21.
Above-mentioned photomask 25 also can have other and change aspect.With regard to being provided with regard to the position of photomask 25, photomask 25 also can be arranged between circuit diaphragm group 23 and the Keysheet module 24 or be arranged between leaded light component 21 and the reflecting piece 26.With regard to sight outside the photomask 25, shape, photomask 25 can further extend and form like a sack, and leaded light component 21 can be placed in the photomask 25, and the function of photomask 25 instead reflecting piece.Perhaps, photomask 25 can be binded up and down and formed by a plurality of sub-photomasks.
Those buttons 241 of leaded light component 21 corresponding keys disk modules 24 can have optical microstructures M.The optical property of optical microstructures M adjustable light for example can increase from the amount of light of leaded light component 21 ejaculations.
Can find out in the circular enlarged diagram by Fig. 4; Keysheet module 24 comprises plural button 241; Each button 241 has a keycap 242, a scissors spare 243 and a flexible material spare 244, and scissors spare 243 is fixed in keycap 242, and flexible material spare 244 is positioned under the keycap 242.As user during by keycap 242 pressing keys 241, flexible material spare 244 is to suffer oppression indirectly, and replaces to circuit diaphragm group 23, make in the circuit diaphragm group 23 last circuit film 231 and circuit film 233 can conductings down, to produce press signal.
Key board unit 2 more comprises a base plate 27, and leaded light component 21, light source 22, circuit diaphragm group 23 and Keysheet module 24 are to be contained in the base plate 27.The material of base plate 27 for example is iron or other metal or plastics.The utility model does not limit the material and the shape of base plate 27.
Please with reference to a kind of key board unit 3 of Fig. 5 with explanation the utility model the 3rd embodiment.Key board unit 3 comprises a leaded light component 31, a light source 32, a circuit diaphragm group 33 and a Keysheet module 34.Leaded light component 31 has an incidence surface 311 and an exiting surface 312.32 light that send of light source are to get into leaded light component 31 via incidence surface 311, and at this, light source 32 is to be example with a LED optical strip, and is adjacent to incidence surface 311, and incidence surface 311 is one of leaded light component 31 side.Circuit diaphragm group 33 is arranged on the exiting surface 312, and has circuit film on, an insulating barrier and circuit film once, only illustrates the circuit diaphragm group 33 of combination back at this.Wherein, insulating barrier is between last circuit film and following circuit film, and it is identical with the material of following circuit film to go up circuit film, and Keysheet module 34 is arranged on the circuit diaphragm group 33.In addition, key board unit 3 more comprises a reflecting piece 36 and a base plate 37, because the technical characterictic of said modules is at second embodiment detailed description, so repeat no more.
Different with first, second embodiment is, key board unit 3 does not have the photomask of diaphragm pattern, but at the exiting surface 312 of leaded light component 31 light-shielding pattern 313 is set, and light-shielding pattern 313 is the part light that blocks by exiting surface 312 ejaculations.Light-shielding pattern 313 makes exiting surface 312 form plural transmittance section 314, and transmittance section 314 is plural buttons 341 of corresponding keys disk module 34, and light-shielding pattern 313 can reduce the light leakage phenomena between the button 341.Certainly, light-shielding pattern 313 can not only be arranged on exiting surface 312, also can more be arranged at the side of leaded light component 31, to avoid leaded light component 31 side light leakage.
Please with reference to a kind of key board unit 4 of Fig. 6 with explanation the utility model the 4th embodiment.Key board unit 4 comprises a leaded light component 41, a light source 42, a circuit diaphragm group 43 and a Keysheet module 44.Leaded light component 41 has an exiting surface 412.42 light that send of light source are to get into leaded light component 41 via one of leaded light component 41 side, and at this, light source 42 is to be example with a LED optical strip, and the neighbour is located at one of leaded light component 41 side.Circuit diaphragm group 43 is arranged on the exiting surface 412, and has circuit film on, an insulating barrier and circuit film once, only illustrates the circuit diaphragm group 43 of combination back at this.Wherein, insulating barrier is between last circuit film and following circuit film, and it is identical with the material of following circuit film to go up circuit film, and Keysheet module 44 is arranged on the circuit diaphragm group 43.In addition, key board unit 4 more comprises a reflecting piece 46 and a base plate 47, because the technical characterictic of said modules is at second embodiment detailed description, so repeat no more.
Different with the foregoing description is, key board unit 4 does not have the photomask of diaphragm pattern, but circuit diaphragm group 43 has a light-shielding pattern 433, and light-shielding pattern 433 is the part light that blocks by leaded light component 41 ejaculations.Light-shielding pattern 433 makes circuit diaphragm group 43 form plural transmittance section 434, and transmittance section 434 is plural buttons 441 of corresponding keys disk module 44, and light-shielding pattern 433 can reduce the light leakage phenomena between the button 441.Present embodiment is that the last circuit film that is arranged on circuit diaphragm group 43 with light-shielding pattern 433 is an example; Certainly, light-shielding pattern 433 also can be arranged on the insulating barrier or the following circuit film of circuit diaphragm group 43.
In sum, because the material of circuit film and following circuit film is identical on the circuit diaphragm group of the utility model, thereby the edge of going up circuit film and following circuit film is when bonding, and its tack strength can significantly promote, and then the reliability of lifting product.In addition, the material of circuit film and following circuit film can be PET on the present embodiment, thereby significantly promotes conductivity and help signal and conduct, and also helps stable on heating lifting.
The above is merely illustrative, but not is restrictive.Any spirit and category that does not break away from the utility model, and to its equivalent modifications of carrying out or change, all should be included in the accompanying Claim protection range.
Claims (10)
1. a key board unit comprises: a leaded light component; Described leaded light component has an exiting surface; One light source; Described light source is luminous towards this leaded light component; It is characterized in that also comprising: a circuit diaphragm group; Described circuit diaphragm group is arranged on this exiting surface, and has circuit film on, an insulating barrier and circuit film once; This insulating barrier is on this between circuit film and this time circuit film, and it is identical with the material of this time circuit film to go up circuit film; An and Keysheet module; Described Keysheet module is arranged on this circuit diaphragm group.
2. key board unit according to claim 1 is characterized in that: this light source is arranged on one of this leaded light component side or is embedded in this leaded light component.
3. key board unit according to claim 1 is characterized in that: material of circuit film and this time circuit film is PET on this.
4. key board unit according to claim 1 is characterized in that also comprising: a photomask; Described photomask is arranged between this leaded light component and this circuit diaphragm group.
5. key board unit according to claim 1 is characterized in that also comprising: a photomask is arranged between this circuit diaphragm group and this Keysheet module.
6. according to claim 4 or 5 described key board units, it is characterized in that: this leaded light component has optical microstructures respectively to plural button that should Keysheet module.
7. according to claim 4 or 5 described key board units, it is characterized in that: the size of this photomask is the size greater than this leaded light component.
8. key board unit according to claim 7 is characterized in that: this photomask is to coat one of this leaded light component of part side at least.
9. key board unit according to claim 1 is characterized in that: this exiting surface of this leaded light component has a light-shielding pattern, and this light-shielding pattern is to block the part light that is penetrated by this exiting surface.
10. key board unit according to claim 1 is characterized in that: this circuit diaphragm group has a light-shielding pattern, and this light-shielding pattern is to block the part light that is penetrated by this leaded light component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201120203392 CN202102940U (en) | 2011-06-16 | 2011-06-16 | Keyboard apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201120203392 CN202102940U (en) | 2011-06-16 | 2011-06-16 | Keyboard apparatus |
Publications (1)
Publication Number | Publication Date |
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CN202102940U true CN202102940U (en) | 2012-01-04 |
Family
ID=45388944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201120203392 Expired - Fee Related CN202102940U (en) | 2011-06-16 | 2011-06-16 | Keyboard apparatus |
Country Status (1)
Country | Link |
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CN (1) | CN202102940U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354186A (en) * | 2013-07-12 | 2013-10-16 | 洪贵顺 | Computer membrane switch luminescence keyboard |
-
2011
- 2011-06-16 CN CN 201120203392 patent/CN202102940U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354186A (en) * | 2013-07-12 | 2013-10-16 | 洪贵顺 | Computer membrane switch luminescence keyboard |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20180616 |
|
CF01 | Termination of patent right due to non-payment of annual fee |