CN201549407U - Keyboard device - Google Patents
Keyboard device Download PDFInfo
- Publication number
- CN201549407U CN201549407U CN200920249730XU CN200920249730U CN201549407U CN 201549407 U CN201549407 U CN 201549407U CN 200920249730X U CN200920249730X U CN 200920249730XU CN 200920249730 U CN200920249730 U CN 200920249730U CN 201549407 U CN201549407 U CN 201549407U
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- Prior art keywords
- board unit
- disposed
- key board
- film
- key
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- Expired - Lifetime
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Abstract
The utility model relates to a keyboard device, which comprises a metal bottom plate, a keyboard film, a luminous diaphragm, a supporting frame and pluralities of key structures. The keyboard film is arranged on the metal bottom plate, the luminous diaphragm is arranged on the keyboard film, the supporting frame is disposed between the keyboard film and the luminous film, and the key structures are arranged on the luminous diaphragm. In the keyboard device, a light source is correspondingly disposed under each keyboard structure, thereby being capable of increasing luminous uniformity of the keyboard device.
Description
Technical field
The utility model relates to a kind of key board unit, relates in particular to a kind of irradiative key board unit.
Background technology
Fig. 1 is the structural representation of existing key board unit.Please refer to Fig. 1, a past in regular turn keyboard film 120, a press button diaphragm 130, a bridge formation 140 and one button 150 of being provided with on the base plate 110 of existing key board unit 100, and in base plate 110 belows toward being arranged with a light guide plate 160, and be provided with a light source 170 in the side of light guide plate 160.
From the above, existing key board unit 100 is the side-light type keyboard, it utilizes irradiate light that light source 170 sends in light guide plate 160, via light guide plate 160 with the light path correcting after light upwards shine in button 150 bottoms, and appear via light-permeable symbol on the button 150 or literal place, but allow the user under dim environment still the identification button operate.
Yet, because of existing key board unit 100 is to use reflection type light-emitting, therefore still have the uneven problem of distribution of light of reflection, cause that illuminating effect is very poor.In addition,, just must below light guide plate 160, set up a reflector 180, cause the thickness of key board unit 100 to increase on the contrary in order to increase luminous efficiency.
The utility model content
The purpose of this utility model provides a kind of key board unit, and it can realize uniformly light-emitting.
The utility model provides a kind of key board unit, and it comprises a metal base plate, a keyboard film, a luminous diaphragm, a bracing frame and a plurality of press-key structure.Keyboard film is disposed on the metal base plate, and luminous diaphragm is disposed on the keyboard film, and bracing frame is disposed between keyboard film and the luminous diaphragm, and press-key structure is disposed on the luminous diaphragm.
In an embodiment of key board unit of the present utility model, the material of above-mentioned bracing frame is a plastic cement.
In an embodiment of key board unit of the present utility model, above-mentioned each press-key structure comprises that one builds bridge and a keycap, and building bridge is disposed on the luminous diaphragm, and keycap is disposed on the bridge formation.In addition, luminous diaphragm has a plurality of light sources, and each light source respectively correspondence be positioned under one of them keycap, wherein light source is a light-emitting diode.In addition, bracing frame has location structure and position limiting structure, respectively in order to engaging and spacing bridge formation.
The utility model provides a kind of key board unit in addition, and it comprises a metal base plate, a keyboard film, a plurality of light source and a plurality of press-key structure.Keyboard film is disposed on the metal base plate, and light source is disposed at keyboard film overlay keyboard film, and press-key structure is disposed on the keyboard film.
In an embodiment of key board unit of the present utility model, above-mentioned each press-key structure comprises that one builds bridge and a keycap, and building bridge is disposed on the luminous diaphragm, and keycap is disposed on the bridge formation.In addition, each light source correspondence respectively is positioned under one of them keycap, and wherein light source is a light-emitting diode.In addition, metal base plate has a location structure and a position limiting structure, and location structure builds bridge in order to engaging, and position limiting structure is in order to spacing bridge formation.
In an embodiment of key board unit of the present utility model, above-mentioned keyboard film comprises one first electrode film, an insulating barrier and one second electrode film, and insulating barrier is between first electrode film and second electrode film, and light source is disposed on first electrode film, insulating barrier or second electrode film.In addition, first electrode film, insulating barrier or second electrode film that dispose light source have at least one perforation, and the one drive circuit of light source is in the layout of on two apparent surfaces of first electrode film, insulating barrier or second electrode film that dispose light source via perforation.
The utility model provides a kind of key board unit again, it comprises a metal base plate, be disposed at the keyboard film on the metal base plate and be disposed at a plurality of press-key structures on the keyboard film, this key board unit also comprises a plurality of light sources, and these light sources are disposed under metal base plate and keyboard film wherein arbitrary, and metal base plate or keyboard film have more a plurality of through holes, and the light that light source is sent passes through hole with the irradiation press-key structure.
Based on above-mentioned, in key board unit of the present utility model, correspondence is provided with a light source under each press-key structure, so can increase the luminous uniformity of key board unit.
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and be described in detail below in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the structural representation of existing key board unit.
Fig. 2 is the decomposing schematic representation of the key board unit of the utility model first embodiment.
Fig. 3 is the local enlarged diagram of the bracing frame of Fig. 2.
Fig. 4 is the structural representation of the key board unit of the utility model second embodiment.
Fig. 5 is the decomposing schematic representation of the keyboard film of Fig. 4.
Fig. 6 is the schematic diagram in the A district of Fig. 4.
Fig. 7 A is the schematic diagram that light source is configured in insulating barrier.
Fig. 7 B is that light source is configured in the schematic diagram on second electrode film.
The main element symbol description:
100,200,300: key board unit; 110: base plate;
120: keyboard film; 130: the press button diaphragm;
140: build bridge; 150: button;
160: light guide plate; 170: light source;
180: reflector; 210,310: metal base plate;
220,320: keyboard film; 222: push salient point;
230: luminous diaphragm; 232,332: light source;
240: bracing frame; 242: location structure;
244: position limiting structure; 250: press-key structure;
252: build bridge; 252a, 252b: support;
252c: pivot hole; 252d: pivot;
254: keycap; 322: the first electrode films;
322a: perforation; 324: insulating barrier;
324a: perforate; 326: the second electrode films;
332a: drive circuit.
Embodiment
First embodiment
Fig. 2 is the decomposing schematic representation of the key board unit of the utility model first embodiment, wherein understand for graphic being easy to, so the element among the figure is not fully according to scale.Please refer to Fig. 2, key board unit 200 comprises a metal base plate 210, a keyboard film 220, one luminous diaphragm 230, a bracing frame 240 and a plurality of press-key structure 250.Keyboard film 220 is disposed on the metal base plate 210, and luminous diaphragm 230 is disposed on the keyboard film 220, and bracing frame 240 is disposed between keyboard film 220 and the luminous diaphragm 230, and press-key structure 250 is disposed on the luminous diaphragm 230.
Please continue with reference to figure 2, in the present embodiment, above-mentioned keyboard film 220 has a plurality ofly pushes salient point 222, and the material of bracing frame 240 is a plastic cement.In addition, each press-key structure 250 comprises a bridge formation 252 and one keycap 254, and bridge formation 252 is disposed on the luminous diaphragm 230, and keycap 254 is disposed on the bridge formation 252.In addition, luminous diaphragm 230 has a plurality of light sources 232, and each light source 232 respectively correspondence be positioned at a keycap 254 times, but wherein light source 232 can be light-emitting diode or other luminous light source.
Fig. 3 is the local enlarged diagram of the bracing frame of Fig. 2.Please also refer to Fig. 2 and Fig. 3, a plurality of location structures 242 and position limiting structure 244 are arranged on the bracing frame 240, wherein location structure 242 is as grab and button hole etc., and position limiting structure 244 for example is a projection.Build bridge and 252 to be formed, and support 252a has a pair of pivot hole 252c, and support 252b has a pair of outside pivot 252d, and pivot 252d is sheathed among the pivot hole 252c of support 252a by two support 252a, 252b.In addition, the end of support 252a is sticked in the location structure 242, make keyboard film 220 push salient point 222 be arranged in build bridge 252 and correspondence be positioned at keycap 254 times, its medium-height trestle 252b is subject to support 252a, and terminal metal base plate 210 translations relatively of the close relatively metal base plate 210 of support 252b, and position limiting structure 244 meeting limit bracket 252b are near the displacement of an end of bracing frame 240.
Please continue with reference to figure 2, when assembling the key board unit 200 of present embodiment, earlier keyboard film 220 is positioned on the metal base plate 210, then bracing frame 240 is positioned on the keyboard film 220, more luminous diaphragm 230 is positioned on the bracing frame 240.Afterwards, the bridge formation 252 of press-key structure 250 is assembled to bracing frame 240, keycap 254 is assembled to builds bridge on 252 again.
When the key board unit 200 of present embodiment is in untapped state, push salient point 222 and can prop up keycap 254,252 be and intersect and the X-shaped shape of Gao Long and build bridge.When the user pushes keycap 254 and then makes when pushing salient point 222 compression, building bridge 252 also is subjected to pushing of keycap 254 and moves down, with starting switch.Specifically, the end that the support 252a that is sticked in location structure 242 is connected in keycap 254 moves down, and driving support 252b with towards away from relative metal base plate 210 translations of the direction of position limiting structure 244, the switch of key board unit 200 contacted and electrically connected and be activated because pushing the compression of salient point 222 this moment.The light source 232 of the luminous diaphragm 230 of press-key structure 250 belows that are pressed accordingly, also activated with luminous.
Perhaps, key board unit 200 is when untapped state, and the light source 232 on the luminous diaphragm 230 can continue luminous.Corresponding keycap promptly is provided with a light source 232 for 254 times, and what light source 232 sent only need not pass through the reflection or the correcting in path and direct directive keycap 254, so can promote the light source utilance, make key board unit 200 have uniform luminous effect simultaneously.When user's pressing keys structure 250, the light source 232 under the keycap 254 of the press-key structure 250 that is pressed can be to send another kind of coloured light or send two or more coloured light simultaneously.
Second embodiment
The present embodiment and first embodiment are roughly the same, just repeat no more for something in common, and same or analogous element are continued to use the same or analogous label of first embodiment.Below will be illustrated at difference.
Fig. 4 is the structural representation of the key board unit of the utility model second embodiment, and Fig. 5 is the decomposing schematic representation of the keyboard film of Fig. 4.Please also refer to Fig. 4 and Fig. 5, the key board unit 300 of present embodiment saves the use of luminous diaphragm 230, and directly light source 332 is produced on the keyboard film 320, and the location structure 242 (being shown in Fig. 3) of the bracing frame among first embodiment 240 (please refer to Fig. 3) and position limiting structure 244 (being shown in Fig. 3) directly are made on the metal base plate 310.Specifically, keyboard film 320 comprises one first electrode film 322, an insulating barrier 324 and one second electrode film 326, wherein light source 332 can be to be disposed on first electrode film 322, and on first electrode film 322 the drive circuit 332a in order to driving light source 332 is arranged.In addition, have the key circuit of corresponding press-key structure 250 on first electrode film 322 and second electrode film 326 respectively, and insulating barrier 324 also has a plurality of perforate 324a, when allowing user's pressing keys structure 250, the key circuit conducting.
Fig. 6 is the schematic diagram in the A district of Fig. 4.Please refer to Fig. 6, the line configuring of the drive circuit 332a of light source 332 via a perforation 322a of first electrode film 322 with the bottom surface configuration of one of them layout to the first electrode film 322 of the cathode circuit of drive circuit 332a and negative pole circuit.Though above-mentioned is that to be configured on first electrode film 322 with light source 332 be example explanation, in other embodiments, the allocation position of light source 332 also can change according to demand.Fig. 7 A is the schematic diagram that light source is configured in insulating barrier, and Fig. 7 B is that light source is configured in the schematic diagram on second electrode film.In addition, drive circuit 332a also can change along with the allocation position of light source 332, be configured on the insulating barrier 324 as the drive circuit 332a of Fig. 7 A, and the drive circuit 332a of Fig. 7 B is configured on second electrode film 326.In other unshowned embodiment, drive circuit can also be the outer surface that is configured in first electrode film and second electrode film, and with the reduction line impedance, and perforation runs through first electrode film, insulating barrier and second electrode film simultaneously.
Than first embodiment, do not use bracing frame 240 and luminous diaphragm 230 (being shown in Fig. 2) in the key board unit 300 of present embodiment, but light source 332 directly is made on the keyboard film 320, can save the cost of bracing frame 240 and luminous diaphragm 230, and then alleviate the overall weight of key board unit 300.
The configured light sources position conclude the foregoing description, but the technical solution of the utility model is to make light direct irradiation keyboard structure as can be known, so can change according to demand.In a unshowned embodiment, also can be that light source is provided under metal base plate and keyboard film wherein arbitrary, and the light that the through hole of metal base plate and/or keyboard film sends light source can pass through hole with the irradiation press-key structure, and key board unit can be luminous equably.
In sum, the member configuration mode of the key board unit that the utility model provides is directly light source to be arranged on the keycap below, so can improve the light source utilance with existing different.In addition, correspondence is provided with a light source under the keycap of each press-key structure, thus can make key board unit than existing can be luminous more equably.Moreover, also can be that to make light source be to have a light-emitting diode that can send different color light respectively, send different coloured light when activating so that be pressed at unused state and press-key structure.In addition, can also save the use of bracing frame, luminous diaphragm is set directly on the keyboard film, and location structure and position limiting structure be positioned on the metal base plate, can and then reduce the overall weight and the cost of key board unit.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (14)
1. a key board unit is characterized in that, comprising:
One metal base plate;
One keyboard film is disposed on the described metal base plate;
One luminous diaphragm is disposed on the described keyboard film;
One bracing frame is disposed between described keyboard film and the described luminous diaphragm; And
A plurality of press-key structures are disposed on the described luminous diaphragm.
2. key board unit according to claim 1 is characterized in that, the material of wherein said bracing frame is a plastic cement.
3. key board unit according to claim 1 is characterized in that, wherein each described press-key structure comprises:
One builds bridge, and is disposed on the described luminous diaphragm; And
One keycap is disposed on the described bridge formation.
4. key board unit according to claim 3 is characterized in that, wherein said luminous diaphragm has a plurality of light sources, and each described light source is corresponding respectively is positioned under one of them of a plurality of described keycaps.
5. key board unit according to claim 4 is characterized in that, wherein said a plurality of light sources are light-emitting diode.
6. key board unit according to claim 3 is characterized in that, wherein said bracing frame has a location structure and a position limiting structure, respectively in order to engaging and spacing described bridge formation.
7. a key board unit is characterized in that, comprising:
One metal base plate;
One keyboard film is disposed on the described metal base plate;
A plurality of light sources are disposed at described keyboard film; And
A plurality of press-key structures are disposed on the described keyboard film.
8. key board unit according to claim 7 is characterized in that, wherein each described press-key structure comprises:
One builds bridge, and is disposed on the luminous diaphragm; And
One keycap is disposed on the described bridge formation.
9. key board unit according to claim 8 is characterized in that, wherein each described light source is corresponding respectively is positioned under one of them of a plurality of described keycaps.
10. key board unit according to claim 7 is characterized in that, wherein said a plurality of light sources are light-emitting diode.
11. key board unit according to claim 7, it is characterized in that, wherein said keyboard film comprises one first electrode film, an insulating barrier and one second electrode film, and described insulating barrier is between described first electrode film and described second electrode film, and described a plurality of light source is disposed on described first electrode film, described insulating barrier or described second electrode film.
12. key board unit according to claim 11, it is characterized in that, wherein dispose described first electrode film of described a plurality of light sources, described insulating barrier or described second electrode film and have at least one perforation, and the one drive circuit of described a plurality of light sources is in the layout of on two apparent surfaces that dispose described first electrode film of described a plurality of light sources, described insulating barrier or described second electrode film via described perforation.
13. key board unit according to claim 8 is characterized in that, wherein said metal base plate has a location structure and a position limiting structure, respectively in order to engaging and spacing described bridge formation.
14. a key board unit is characterized in that, comprises a metal base plate, is disposed at the keyboard film on the described metal base plate and is disposed at a plurality of press-key structures on the described keyboard film, it is characterized in that:
Also comprise a plurality of light sources, be disposed under described metal base plate and described keyboard film wherein arbitrary, and described metal base plate or described keyboard film also have a plurality of through holes, and the light that described a plurality of light source is sent passes described a plurality of through hole to shine described a plurality of press-key structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920249730XU CN201549407U (en) | 2009-11-02 | 2009-11-02 | Keyboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920249730XU CN201549407U (en) | 2009-11-02 | 2009-11-02 | Keyboard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549407U true CN201549407U (en) | 2010-08-11 |
Family
ID=42604586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920249730XU Expired - Lifetime CN201549407U (en) | 2009-11-02 | 2009-11-02 | Keyboard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456494A (en) * | 2010-10-18 | 2012-05-16 | 致伸科技股份有限公司 | Illuminant keyboard |
| CN102842453A (en) * | 2011-06-21 | 2012-12-26 | 致伸科技股份有限公司 | Key structure with scissors type connecting element |
-
2009
- 2009-11-02 CN CN200920249730XU patent/CN201549407U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456494A (en) * | 2010-10-18 | 2012-05-16 | 致伸科技股份有限公司 | Illuminant keyboard |
| CN102842453A (en) * | 2011-06-21 | 2012-12-26 | 致伸科技股份有限公司 | Key structure with scissors type connecting element |
| CN102842453B (en) * | 2011-06-21 | 2014-12-24 | 致伸科技股份有限公司 | Key structure with scissors type connecting element |
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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: 20100811 |