CN202126951U - Key combination and keyboard with light leak prevention - Google Patents
Key combination and keyboard with light leak prevention Download PDFInfo
- Publication number
- CN202126951U CN202126951U CN2011202318190U CN201120231819U CN202126951U CN 202126951 U CN202126951 U CN 202126951U CN 2011202318190 U CN2011202318190 U CN 2011202318190U CN 201120231819 U CN201120231819 U CN 201120231819U CN 202126951 U CN202126951 U CN 202126951U
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- film
- circuit film
- lateral margin
- key combination
- light source
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Abstract
The utility model provides a key combination and keyboard with light leak prevention. The key combination comprises a keycap able to move upwards and downwards; a support plate; a circuit film provided on the support plate and comprising a first side edge; a film provided on the circuit film to protect it and comprising a second side edge opposite to the first one; an LED light source supplying light to the keycap, provided on upper surface of the circuit film and penetrating through it; and a light-tight film applied on upper and lower sides and peripheries of the first and second side edges to prevent light leak.
Description
Technical field
The utility model refers to a kind of key combination and keyboard that prevents light leak especially relevant for button (keyswitch) combination and keyboard.
Background technology
Nonopaque type key is found in many consumer products, and relevant preceding case technology can be with reference to TaiWan, China patent announcement numbers 285345 or TaiWan, China patent announcement numbers 200705495.And but the relevant preceding case technology of illuminated keyboard can be with reference to TaiWan, China patent announcement numbers 200802040.
In addition; It is in certain some key combination, to establish a led light source that some designs are also arranged at present, and when this type button was enabled (On), for example function was that the button of cap lock (caps lock) is when being enabled; Can on its corresponding keycap (keycap), demonstrate a bright spot, supply user's identification.This led light source is to be arranged on the circuit film (membrane), and is positioned at the below of such key combination keycap (keycap).
But, this finds that the periphery of circuit film has the phenomenon of letting out light after with above-mentioned design.That is the light source of LED can release from the edge side of protective film (Mylar) or circuit film, and causes light evil, inaesthetic problem.
The utility model content
Therefore, one of purpose of the utility model is to provide a kind of key combination that prevents light leak, to solve the above problems.
Key combination according to the prevented light leak of first embodiment comprises the keycap that can move up and down; Supporting bracket; Circuit film, it is placed on this supporting bracket, and this circuit film has first lateral margin; The first film is placed on this circuit film, supplies this circuit film of protection, and this first film has second lateral margin, and this second lateral margin is corresponding to this first lateral margin; Led light source provides light source to this keycap, and this led light source is the upper surface that is placed in this circuit film, and passes this first film; Lighttight film is covered on the upper and lower, all around of this second lateral margin, this first lateral margin, spills to prevent this light source.
According to the described key combination of the utility model, this key combination is cap lock (Caps Lock).
According to the described key combination of the utility model, has thin film switch in this circuit film.
According to second embodiment, can prevent that the key combination of light leak from comprising the keycap that can move up and down; Supporting bracket; Circuit film is placed on this supporting bracket, and this circuit film has first lateral margin; Second film is placed on this circuit film, supplies this circuit film of protection, and this second film has second lateral margin, and this second lateral margin is corresponding to this first lateral margin; Led light source provides light source to this keycap, and this led light source is the upper surface that is placed in this circuit film, and passes this second film; Wherein, this second lateral margin slightly becomes the U type shape of turning back, and coats the upper and lower, all around of this first lateral margin, spills to prevent this light source.
According to the described key combination of the utility model, this key combination is cap lock (Caps Lock).
According to the described key combination of the utility model, has thin film switch in this circuit film.
According to the 3rd embodiment, can prevent that the key combination of light leak from comprising the keycap that can move up and down; Supporting bracket; Circuit film is placed on this supporting bracket, and this circuit film has upper strata, middle level, lower floor, and this upper strata, middle level, lower floor define first lateral margin jointly; The 3rd film is placed on this circuit film, supplies this circuit film of protection, and the 3rd film has second lateral margin, and this second lateral margin is corresponding to this first lateral margin; Led light source provides light source to this keycap, and this led light source is the upper surface that is placed in this circuit film, and passes the 3rd film; Wherein, the upper strata of this circuit film slightly becomes the U type shape of turning back, and coats middle level, the lower floor of this circuit film, spills to prevent this light source.The upper strata of this circuit film is a kind of lighttight film.
According to the described key combination of the utility model, this key combination is cap lock (Caps Lock).
According to the described key combination of the utility model, has thin film switch in this circuit film.
The utility model also provides a kind of keyboard, comprises one or more above-mentioned key combination.
Through the utility model, can reach the technique effect that prevents the keyboard light leak.
Description of drawings
Fig. 1 is according to the utility model one preferred embodiment.
Fig. 2 is according to another preferred embodiment of the utility model.
Fig. 3 is according to the utility model preferred embodiment again.
Embodiment
For making purpose, structure, characteristic and function thereof that further understanding arranged, cooperate embodiment to specify as follows now to the utility model.
With reference to figure 1, a kind of key combination 10 of light leak that prevents of the utility model first embodiment comprises the keycap 101 that can move up and down; Supporting bracket 103; Circuit film 107, it is placed on this supporting bracket 103, and this circuit film 107 has the first lateral margin 107a; The first film 109 is placed on this circuit film 107, supplies this circuit film 107 of protection, and this first film 109 has the second lateral margin 109a, and this second lateral margin 109a is corresponding to this first lateral margin 107a; Led light source 111 provides light source to this keycap 101, and this led light source 111 is the upper surfaces that are placed in this circuit film 107, and passes this first film 109; Lighttight film 113 is covered on the upper and lower, all around of this second lateral margin 109a, this first lateral margin 107a, spills to prevent this light source.According to an embodiment, this first film 109 can be polyester film (Mylar).Must explanation be, this key combination 10 has the elastomer between keycap 100 and the first film 109, but clear for drawing, deliberately omission is in drawing.
With reference to figure 2, a kind of key combination 20 of light leak that prevents of the utility model second embodiment comprises the keycap 201 that can move up and down; Supporting bracket 203; Circuit film 207 is placed on this supporting bracket 203, and this circuit film 207 has the first lateral margin 207a; Second film 209 is placed on this circuit film 207, supplies this circuit film 207 of protection, and this second film 209 has the second lateral margin 209a, and this second lateral margin 209a is corresponding to this first lateral margin 207a; Led light source 211 provides light source to this keycap 201, and this led light source 211 is the upper surfaces that are placed in this circuit film 207, and passes this second film 209; Wherein, this second lateral margin 209a slightly becomes the U type shape of turning back, and coats the upper and lower, all around of this first lateral margin 207a, spills to prevent this light source.According to an embodiment, this second film 209 can be polyester film (Mylar).Must explanation be, this key combination 20 has the elastomer between keycap 200 and second film 209, but clear for drawing, deliberately omission is in drawing.
With reference to figure 3, a kind of key combination 30 of light leak that prevents of the utility model the 3rd embodiment comprises: the keycap 301 that can move up and down; Supporting bracket 303; Circuit film (containing 3071,3072,3073) is placed on this supporting bracket 303, and this circuit film has upper strata 3071, middle level 3072, lower floor 3073, this upper strata 3071, middle level 3072, the 3073 common definition first lateral margin 307a of lower floor; The 3rd film 309 is placed on this circuit film, supplies protection this circuit film (containing 3071,3072,3073), and the 3rd film 309 has the second lateral margin 309a, and this second lateral margin 309a is corresponding to this first lateral margin 307a; Led light source 311 provides light source to this keycap 301, and this led light source 311 is the upper surfaces that are placed in this circuit film, and passes the 3rd film 309; Wherein, the upper strata 3071 of this circuit film slightly becomes the U type shape of turning back, and coats middle level 3072, the lower floor 3073 of this circuit film, spills to prevent this light source.The upper strata 3071 of this circuit film is a kind of lighttight film.According to an embodiment, the 3rd film 309 can be polyester film (Mylar).Must explanation be, this key combination 30 has the elastomer between keycap 300 and the 3rd film 309, but clear for drawing, deliberately omission is in drawing.
Among three above-mentioned embodiment, wherein the function of this key combination is for example cap lock (caps lock), but is not limited to this.Wherein have thin film switch 119,229,339 in this circuit film respectively, in the distortion downwards of aforesaid elastomer, be activated.
Use above-mentioned key combination 10,20,30, another embodiment of the utility model is the keyboard that comprises this kind key combination 10,20,30, and this keyboard comprises a plurality of this kind key combination 10,20,30.
Cooperating diagram can understand the utility model by above-mentioned explanation can reach the purpose that creation sets really, therefore have practicality.
The utility model is described by above-mentioned related embodiment, yet the foregoing description is merely the example of implementing the utility model.Must be pointed out that the embodiment that has disclosed does not limit the scope of the utility model.On the contrary, change and the retouching in spirit that does not break away from the utility model and scope, done all belong to the scope of patent protection of the utility model.
Claims (10)
1. key combination that can prevent light leak is characterized in that comprising:
The keycap that can move up and down;
Supporting bracket;
Circuit film is placed on this supporting bracket, and this circuit film has first lateral margin;
The first film is placed on this circuit film, supplies this circuit film of protection, and this first film has second lateral margin, and this second lateral margin is corresponding to this first lateral margin;
Led light source provides light source to this keycap, and this led light source is the upper surface that is placed in this circuit film, and passes this first film;
Lighttight film is covered on the upper and lower, all around of this second lateral margin, this first lateral margin, spills to prevent this light source.
2. key combination as claimed in claim 1 is characterized in that this key combination is a cap lock.
3. key combination as claimed in claim 1 is characterized in that having thin film switch in this circuit film.
4. key combination that can prevent light leak is characterized in that comprising:
The keycap that can move up and down;
Supporting bracket;
Circuit film is placed on this supporting bracket, and this circuit film has first lateral margin;
Second film is placed on this circuit film, supplies this circuit film of protection, and this second film has second lateral margin, and this second lateral margin is corresponding to this first lateral margin;
Led light source provides light source to this keycap, and this led light source is the upper surface that is placed in this circuit film, and passes this second film;
Wherein, this second lateral margin becomes the U type shape of turning back, and coats the upper and lower, all around of this first lateral margin, spills to prevent this light source.
5. key combination as claimed in claim 4 is characterized in that this key combination is a cap lock.
6. key combination as claimed in claim 4 is characterized in that having thin film switch in this circuit film.
7. key combination that can prevent light leak is characterized in that comprising:
The keycap that can move up and down;
Supporting bracket;
Circuit film is placed on this supporting bracket, and this circuit film has upper strata, middle level, lower floor, and this upper strata, middle level, lower floor define first lateral margin jointly;
The 3rd film is placed on this circuit film, supplies this circuit film of protection, and the 3rd film has second lateral margin, and this second lateral margin is corresponding to this first lateral margin;
Led light source provides light source to this keycap, and this led light source is the upper surface that is placed in this circuit film, and passes the 3rd film;
Wherein, the upper strata of this circuit film is a kind of lighttight film and slightly becomes the U type shape of turning back, and coats middle level, the lower floor of this circuit film, spills to prevent this light source.
8. key combination as claimed in claim 7 is characterized in that this key combination is a cap lock.
9. key combination as claimed in claim 7 is characterized in that having thin film switch in this circuit film.
10. a keyboard is characterized in that comprising like any described key combination among the claim 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202318190U CN202126951U (en) | 2011-06-23 | 2011-06-23 | Key combination and keyboard with light leak prevention |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202318190U CN202126951U (en) | 2011-06-23 | 2011-06-23 | Key combination and keyboard with light leak prevention |
Publications (1)
Publication Number | Publication Date |
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CN202126951U true CN202126951U (en) | 2012-01-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011202318190U Expired - Lifetime CN202126951U (en) | 2011-06-23 | 2011-06-23 | Key combination and keyboard with light leak prevention |
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CN (1) | CN202126951U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105304389A (en) * | 2015-09-11 | 2016-02-03 | 苏州达方电子有限公司 | Keyboard |
CN107861631A (en) * | 2017-11-23 | 2018-03-30 | 苏州达方电子有限公司 | A kind of keyboard |
-
2011
- 2011-06-23 CN CN2011202318190U patent/CN202126951U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105304389A (en) * | 2015-09-11 | 2016-02-03 | 苏州达方电子有限公司 | Keyboard |
CN107861631A (en) * | 2017-11-23 | 2018-03-30 | 苏州达方电子有限公司 | A kind of keyboard |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120125 |