CN102323862B - Keyboard device - Google Patents
Keyboard device Download PDFInfo
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- CN102323862B CN102323862B CN201110335562.8A CN201110335562A CN102323862B CN 102323862 B CN102323862 B CN 102323862B CN 201110335562 A CN201110335562 A CN 201110335562A CN 102323862 B CN102323862 B CN 102323862B
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- board unit
- pad
- key board
- button
- light component
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Abstract
The invention relates to a keyboard device, which comprises a plurality of keys, a supporting plate, a light guide component and a light source, wherein the supporting plate supports the plurality of keys and has a plurality of openings which correspond to one of the keys; the light guide component has a plurality of optical micro-structural patterns which respectively correspond to the openings and are disconnected from one another; and the light source emits light to the light guide component. The keyboard device has the advantages that: light emergence rate can be improved; and the supporting force of the supporting plate can be strengthened.
Description
Technical field
The present invention relates to a kind of key board unit, relate in particular to a kind of luminous key board unit.
Background technology
Keyboard is current modal input media, and it can be to be external in electronic installation to use or be embedded in electronic installation, and for example mobile computer, mobile phone use.Recently, along with the development of light emitting diode is rapid, light emitting diode is also applied to keyboard as light source, and makes keyboard become illuminated keyboard.
Prior art lighting keyboard comprises plural button, a base plate, a light guide plate and a light source.Wherein, source emissioning light line enters light guide plate, and penetrates via the exiting surface of light guide plate, and the block of corresponding each button of one side of light guide plate is all covered with microstructure, to assist bright dipping.Base plate is positioned on the exiting surface of light guide plate, side under button.
In above-mentioned illuminated keyboard, while being all covered with microstructure on the block due to corresponding each button of light guide plate, can cause aforementioned block to have light to penetrate, wherein, the perforation that only has part light can see through on base plate is penetrated, most light can be blocked by base plate, thereby causes the light extraction efficiency of lighting keyboard to decline.
Therefore, how to provide a kind of key board unit, can improving extraction efficiency, real is one of current important topic.
Summary of the invention
The technical issues that need to address of the present invention have been to provide 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 present invention is achieved by the following technical solutions:
The present invention includes: plural button; One back up pad; This back up pad supports those buttons, and this back up pad has a wherein button of plural perforate correspondence; One leaded light component; This leaded light component has respectively corresponding those perforate settings of plural optical microstructure patterns, and each optical microstructure patterns is not to be connected; An and light source; This light source is luminous towards this leaded light component.
Compared with prior art, the invention has the beneficial effects as follows: the bracing force that can promote light emission rate and back up pad.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of a kind of key board unit of preferred embodiment of the present invention;
Fig. 2 is the local enlarged diagram of the key board unit of Fig. 1; And
Fig. 3 is the schematic diagram that the key board unit of preferred embodiment of the present invention comprises a circuit diaphragm group.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
A kind of key board unit of the present invention comprises plural button, a back up pad, a leaded light component and a light source.Back up pad supports those buttons, and back up pad has a wherein button of plural perforate correspondence.Leaded light component has respectively corresponding those perforate settings of plural optical microstructure patterns, and each optical microstructure patterns is not to be connected.Light source is luminous towards leaded light component.
In one embodiment, one of button view field is corresponding those perforates.
In one embodiment, back up pad has rigidity.The material of back up pad for example comprises metal or alloy.
In one embodiment, back up pad has at least one light shielding part.
In one embodiment, one of button view field is one of corresponding leaded light component block.
In one embodiment, those optical microstructure patterns are that essence is identical with the size of those perforates.
In one embodiment, light source is arranged at one of leaded light component side or is embedded in leaded light component.
In one embodiment, optical microstructure patterns comprises plural microstructure.
In one embodiment, those optical microstructure patterns be arranged on one of leaded light component upper surface or a lower surface at least one of them.
Because back up pad of the present invention is provided with plural perforate at a corresponding button place, the corresponding at least one independently optical microstructure patterns of each perforate, therefore by the light of leaded light component ejaculation, concentrate and directly by perforate, be incident upon button, and can not covering by supported plate, and then improving extraction efficiency.In addition, back up pad cording has rigidity, can assist to support fixedly button.
Fig. 1 is the decomposing schematic representation of a kind of key board unit 1 of preferred embodiment of the present invention, the local enlarged diagram of the key board unit 1 that Fig. 2 is Fig. 1.As shown in Figures 1 and 2, key board unit 1 comprises plural button 11, a back up pad 12, a leaded light component 13 and a light source 14.Back up pad 12 supports these buttons 11.
The material of each button 11 can be plastics, and can have transmittance section 111, and the light being penetrated by leaded light component 13 can be penetrated by the transmittance section 111 of button 11, so that button 11 can be luminous.
Back up pad 12 has rigidity (rigidity) to support those buttons 11, and its material can for example comprise metal or alloy, for example, be aluminum or aluminum alloy.In addition, back up pad 12 has at least one light shielding part 122, and the present embodiment is to be all light shielding part 122 as an example with the part beyond whole back up pad 12 perforates 121.Light shielding part 122 can block the part light by leaded light component 13 ejaculations, can avoid light to be spilt by the region beyond the transmittance section 111 of button 11.
In addition, back up pad 12 has a wherein button 11 of plural perforate 121 correspondences, namely corresponding those perforates 121 of one of button 11 view field 112.In this, do not limit especially quantity, shape and the size of perforate 121, corresponding 7 perforates 121 of a button 11 of take in Fig. 2 are example, namely the view field 112 of button 11 is corresponding 7 perforates 121.
Leaded light component 13 has plural optical microstructure patterns 131, and each optical microstructure patterns 131 has respectively plural microstructure M1, M2, comprises can being the combination of male structure, recessed structure or concaveconvex structure; And the shape of microstructure can for example comprise point-like, vee-cut or three-legged structure or other geometric configuration.Wherein, the microstructure M1 shown in Fig. 2, M2 can be respectively above-mentioned not same structure or above-mentioned not identical shaped microstructure.Each optical microstructure patterns 131 respectively corresponding each perforate 121 arranges, and the size of each optical microstructure patterns 131 and corresponding perforate 121 (for example shape, size, but be not limited to this) can essence identical, that is leaded light component 13 is respectively equipped with a plurality of optical microstructure patterns 131 at corresponding each button 11 places, a plurality of optical microstructure patterns 131 at corresponding each button 11 places are separated and are not connected each other, to promote the light extraction efficiency of key board unit 1.In other words, leaded light component 13 has respectively corresponding those buttons 11Zhi Ge of plurality of blocks 135 view field 112, and each block has those optical microstructure patterns 131 and a blank space 132, and blank space 132 is there is no optical microstructure patterns.Optical microstructure patterns 131 can be arranged on one of leaded light component 13 upper surface 133 and a lower surface 134 at least one of them, at this, take optical microstructure patterns 131 and be arranged on upper surface 133 as example.Those optical microstructure patterns 131 of corresponding same button 11 and the size of those perforates 121 (for example shape, size, but be not limited to this) or quantity are can essence identical or slightly different.In Fig. 2, identical with size or the quantity essence of those perforates 121 with those optical microstructure patterns 131 of the same button 11 of correspondence, be 7 for example, thus, the view field 112 of a button 11 is corresponding 7 optical microstructure patterns 131, and each perforate 121 is independently optical microstructure patterns 131 of difference corresponding.The person of should be noted, said at this " correspondence ", refer to optical microstructure patterns 131 and perforate 121 that the vertical projection direction of button 11 covers.
Thus, when light source 14 penetrates after light enter leaded light component 13, light is to see through the optical microstructure patterns 131 of leaded light component 13 upper surfaces 113 (being exiting surface) and penetrate, and directly through the perforate 121 of back up pad 12, is incident upon button 11.Owing to only having the part of perforate 121 just to there being optical microstructure patterns 131, so light is concentrated, and can not stop by supported plate 12, and then can promote the light extraction efficiency of key board unit 1.
The present embodiment does not limit the shape of leaded light component 13, and it can be rectangle, circle or other shape, at this, is to take a rectangular light guide plate as example.Light source 14 is luminous towards leaded light component 13, and light source 14 can be arranged on one of leaded light component 13 side or be embedded in leaded light component 13.At this, light source 14 is that to be embedded in leaded light component 13 be example.The present invention does not limit kind and the quantity of light source 14 especially, and its kind can be for example cold cathode fluorescent lamp (CCFL), light emitting diode (LED) or Organic Light Emitting Diode (OLED).At this, light source 14 is that to take 4 light emitting diodes be example.
In addition, please refer to shown in Fig. 3, the key board unit 1 of the present embodiment more comprises a circuit diaphragm group 15, it is arranged between leaded light component 13 and those buttons 11, and there is circuit film 151 on, an insulation course 152 and circuit film 153 once, insulation course 152 is between upper circuit film 151 and lower circuit film 153, with upper circuit film 151 and the lower circuit film 153 of insulating.Wherein, it is identical or not identical that upper circuit film 151 and the material of lower circuit film 153 can be, and at this, upper circuit film 151 is polyethylene terephthalate (PET) with the material of lower circuit film 153, thereby can increase electric conductivity.Certainly, polyethylene terephthalate is only for illustrating, and upper circuit film 151 also can be selected the better material of electric conductivity with the material of lower circuit film 153.In addition, because upper circuit film 151 is identical with the material of lower circuit film 153, when upper circuit film 151 with the edge of lower circuit film 153 when binding, its tack strength thereby can significantly promote, and then the reliability of improving product.Should be noted, the direction such as upper and lower referring at this, is to take more contiguous button as top, and more contiguous leaded light component is below.
In sum, the present invention's back up pad is provided with plural perforate at a corresponding button place, the corresponding at least one independently optical microstructure patterns of each perforate, and therefore the light by leaded light component ejaculation can directly be incident upon button by perforate, and can not covering by supported plate, and then improving extraction efficiency.In addition, back up pad has rigidity, can assist to support fixedly button.Therefore the bracing force that, the present invention's key board unit can promote back up pad maintains high transmission rate simultaneously.
The foregoing is only illustrative, but not be restricted person.Any spirit and category that does not depart from the present invention, and the equivalent modifications that it is carried out or change, all should be contained in the scope that claim of the present invention protects.
Claims (8)
1. a key board unit, comprising: plural button; Characterized by further comprising: a back up pad; This back up pad has rigidity, and this back up pad supports those buttons, and this back up pad has a wherein button of plural perforate correspondence; One leaded light component; This leaded light component has respectively corresponding those perforate settings of plural optical microstructure patterns, and each optical microstructure patterns is connected, and this optical microstructure patterns comprises plural microstructure, and those microstructures are the combination of male structure, recessed structure or concaveconvex structure; An and light source; This light source is luminous towards this leaded light component.
2. key board unit according to claim 1, is characterized in that: one of this button view field is corresponding those perforates.
3. key board unit according to claim 1, is characterized in that: the material of this back up pad is metal or alloy.
4. key board unit according to claim 1, is characterized in that: this back up pad has at least one light shielding part.
5. key board unit according to claim 1, is characterized in that: one of this button view field be to one of should leaded light component block.
6. key board unit according to claim 1, is characterized in that: those optical microstructure patterns and those perforates measure-alike.
7. 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.
8. key board unit according to claim 1, is characterized in that: those optical microstructure patterns be arranged on one of this leaded light component upper surface or a lower surface at least one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110335562.8A CN102323862B (en) | 2011-10-28 | 2011-10-28 | Keyboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110335562.8A CN102323862B (en) | 2011-10-28 | 2011-10-28 | Keyboard device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323862A CN102323862A (en) | 2012-01-18 |
| CN102323862B true CN102323862B (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110335562.8A Active CN102323862B (en) | 2011-10-28 | 2011-10-28 | Keyboard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323862B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201311616Y (en) * | 2008-10-22 | 2009-09-16 | 兴隆发电子股份有限公司 | Integrated light-emitting keyboard |
| CN101477910B (en) * | 2009-02-03 | 2011-06-15 | 苏州达方电子有限公司 | Illuminant keyboard |
| TWI385691B (en) * | 2009-04-08 | 2013-02-11 | Chicony Electronics Co Ltd | Glowing keyboard |
| CN101859182B (en) * | 2009-04-13 | 2012-05-02 | 群光电子(苏州)有限公司 | Luminous keyboard |
| CN202331355U (en) * | 2011-10-28 | 2012-07-11 | 上海向隆电子科技有限公司 | Keyboard device |
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2011
- 2011-10-28 CN CN201110335562.8A patent/CN102323862B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323862A (en) | 2012-01-18 |
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