CN102103410A - Thin luminous keyboard - Google Patents
Thin luminous keyboard Download PDFInfo
- Publication number
- CN102103410A CN102103410A CN2009102612355A CN200910261235A CN102103410A CN 102103410 A CN102103410 A CN 102103410A CN 2009102612355 A CN2009102612355 A CN 2009102612355A CN 200910261235 A CN200910261235 A CN 200910261235A CN 102103410 A CN102103410 A CN 102103410A
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- Prior art keywords
- light emitting
- thin
- keycap
- type light
- deckle board
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- Input From Keyboards Or The Like (AREA)
Abstract
The invention relates to a thin luminous keyboard which comprises a luminous source, keycaps, a light guide frame plate, a film layer, a switching circuit layer and a bottom plate, wherein the keycaps are connected with the light guide frame plate and can move up and down relative to the light guide frame plate; the keycaps, the light guide frame plate, the film layer, the switching circuit layer and the bottom plate are sequentially arranged from top to bottom; transparent character parts are arranged on the keycaps; a groove is formed at the bottom of the light guide frame plate; the luminous source is arranged on the film layer and contained in the groove; and the light rays emitted by the luminous source are guided by the light guide frame plate so as to be irradiated to the transparent character parts. The thin luminous keyboard provided by the invention has the advantages of smaller thickness, lower cost and the like.
Description
Technical field
The present invention relates to keyboard, relate in particular to a kind of thin-type light emitting keyboard.
Background technology
Present computor-keyboard scarcely can autoluminescence, therefore, operation is relatively more difficult when light is dark, the someone has developed illuminated keyboard for this reason, these illuminated keyboards are except in the darker place of light, can be by light that distributes around the button or the light that penetrates by the button center, allow the user clearly distinguish outside the different key, can also the user bring novel outer impression, disclosed a kind of illuminated keyboard as Chinese patent CN200820125924.4, comprise the keycap that sets gradually, the bridge formation assembly, the printing opacity base plate, light guide plate, light emitting diode and reflecting piece, this bridge formation assembly is connected this keycap and this printing opacity base plate, make this keycap this printing opacity base plate vertical moving relatively, this light emitting diode is positioned on this reflecting piece and is located at the dented space of this light guide plate, and light is directed at the keycap below, thereby make whole keyboard luminous by this reflecting piece and light guide plate.
Yet above-mentioned illuminated keyboard need use extra light guide plate associative key disc elements to carry out leaded light, causes problems such as the increase of keyboard thickness and element selling at exorbitant prices.
Summary of the invention
Technical matters to be solved by this invention is at the prior art above shortcomings, and to provide a kind of thickness less and lower-cost thin-type light emitting keyboard.
The technical solution adopted for the present invention to solve the technical problems provides a kind of thin-type light emitting keyboard, comprise light emitting source, keycap, the leaded light deckle board, thin layer, switching circuit layer and base plate, this keycap is connected with this leaded light deckle board, and this leaded light deckle board moves up and down relatively, this keycap, the leaded light deckle board, thin layer, switching circuit layer and base plate are provided with from top to bottom in regular turn, this keycap is provided with printing opacity literal portion, this leaded light deckle board bottom offers groove, this light emitting source is arranged on this thin layer and is placed in this groove, and the light that this light emitting source sends shines this printing opacity literal portion via this leaded light deckle board guiding.
This groove inwall is formed with scattering part near this keycap side.
This scattering part forms by a plurality of astigmatic knuckle along this side periphery of this groove.
The light refraction point has been made with texture or optical etching mode in the position under being positioned at keycap on this deckle board.
This thin layer has light transmission.
This thin layer adopts transparent plastic sheet to make.
This thin-type light emitting keyboard also comprises the bridge formation body that is connected this keycap and this deckle board.
This light emitting source is a light emitting diode.
This light emitting source utilizes the electric conductivity bond to be fixed on this thin layer.
This base plate is a metal base plate.
This base plate is an aluminium sheet.
This base plate is an iron plate.
This thin-type light emitting keyboard also comprises an elastic body, and this leaded light deckle board also comprises a hollow-out parts, and this elastic body passes this hollow-out parts, and this keycap elasticity is moved up and down.
This elastomeric material is a silica gel.
This elastic body bottom is arranged on this switching circuit layer.
This literal portion forms by utilizing laser engraving to remove word segment after spraying paint in this key cap surface.
The invention has the beneficial effects as follows: because the present invention is arranged on light emitting source on the thin layer, utilize existing deckle board to carry out leaded light, need not additionally to increase extra light-guide devices such as light guide plate, and realize the lighting function of keyboard, therefore, can not cause cost up because of the increase of number of components; In addition, by light emitting source is arranged between deckle board and the thin layer, and imbed in the deckle board, absorbed the thickness of light emitting source, whole keyboard is maintained on the less thickness by deckle board.
Description of drawings
Fig. 1 is the press-key structure diagrammatic cross-section of thin-type light emitting keyboard of the present invention preferred embodiment;
Fig. 2 is a plurality of press-key structure decomposing schematic representations of thin-type light emitting keyboard of the present invention preferred embodiment;
Fig. 3 is the single press-key structure decomposing schematic representation of thin-type light emitting keyboard of the present invention preferred embodiment;
Fig. 4 is a thin-type light emitting keyboard preferred embodiment keycap synoptic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing thin-type light emitting keyboard of the present invention is further described.Thin-type light emitting keyboard of the present invention is applicable to electronic equipment (comprising notebook computer, desktop or industrial computing machine) input media field.
Please extremely shown in Figure 3 in conjunction with Fig. 1, Fig. 1 is the press-key structure diagrammatic cross-section of thin-type light emitting keyboard of the present invention preferred embodiment, Fig. 2 is a plurality of press-key structure decomposing schematic representations of thin-type light emitting keyboard of the present invention preferred embodiment, and Fig. 3 is the single press-key structure decomposing schematic representation of thin-type light emitting keyboard of the present invention preferred embodiment.
Thin-type light emitting keyboard 100 of the present invention comprises keycap 10, bridge formation body 20, elastic body 30, leaded light deckle board 40, the thin layer 50 that is provided with a plurality of light emitting sources 52, switching circuit layer 60 and base plate 70, wherein, keycap 10, leaded light deckle board 40, thin layer 50, switching circuit layer 60 and base plate 70 are provided with from top to bottom in regular turn.
See also shown in Figure 4, keycap 10 is provided with the literal portion 12 of printing opacity, it forms by utilizing methods such as laser engraving to remove word segment after handling at coating process such as keycap 10 surface lacquers, also the literal portion 12 direct hollow outs of the keycap behind the surface lacquer 10 can be made its printing opacity, wherein, the non-legible part of keycap 10 is by spraying paint or other coating process makes it suppress seeing through of light.Literal portion 12 is included in the printed usually literal in keycap 10 surfaces, symbol etc.
Please extremely shown in Figure 3 in conjunction with Fig. 1 again, leaded light deckle board 40 adopts plastics to make, and has the leaded light effect, and its quantity and position according to keycap 10 is separated into a plurality of frameworks unit 42, hollow-out parts 422 ammunition feed gonosomes 30 in the middle of the framework unit 42 pass, and both sides 424 are connected with bridge formation body 20.Wherein, the inwall 423 of each framework unit 42 hollow-out parts 422 has been made light refraction point 425 with texture or optical etching mode, as inwall 423 being arranged to curved-surface structure or rough structure, to help turning to by the light 80 that light emitting source 52 conduction are come under the keycap 10.Leaded light deckle board 40 bottoms also offer groove 44, in being placed in for light emitting source 52.Groove 44 inwalls 441 are formed with scattering part near keycap 10 sides, for light 80 scatterings, in this preferred embodiment, groove 44 is roughly square along the cross sectional shape of leaded light deckle board 40 plate faces, this square one side near keycap 10 wherein, promptly, be formed with a plurality of astigmatic knuckles 442 to constitute above-mentioned scattering part along the periphery of groove 44 near keycap 10 sides.Certainly, scattering part also can be other rough structure on groove 44 inwalls 441 of being arranged at that helps scattering.
In this preferred embodiment, light emitting source 52 is a light emitting diode, and its driving circuit is arranged on the thin layer 50.Light emitting source 52 utilizes the electric conductivity bond to be fixed on the thin layer 50, and is placed in the groove 44 of leaded light deckle board 40.Thin layer 50 adopts transparent plastic sheet to make.Thin layer 50 offers the perforate 54 of passing for elastic component 30 according to the quantity and the position correspondence of keycap 10.
When light emitting source 52 is lighted by driving circuit, the light 80 that light emitting source 52 sends guides to keycap 10 belows by leaded light deckle board 40, via the inwall 423 of the hollow-out parts 422 that is positioned at each keycap 10 below on the leaded light deckle board 40 light refraction point 425 light 80 is turned under the keycap 10, and shine in the printing opacity literal portion 12 of keycap 10.
The present invention is arranged at light emitting source 52 and driving circuit thereof on the thin layer 50, utilize existing leaded light deckle board to carry out leaded light, need not additionally to increase extra leaded light components such as light guide plate, and realize the lighting function of keyboard, therefore, can not cause cost up because of the increase of number of components; In addition, by light emitting source 52 is arranged between leaded light deckle board 40 and the thin layer 50, and imbed in the leaded light deckle board 40, absorbed the thickness of light emitting source 52, can not cause the increase of whole keyboard height, and it is maintained on the less thickness by leaded light deckle board 40.
The above case only is the preferable case study on implementation of the present invention, is not to limit practical range of the present invention with this, so all equivalences of doing according to shape of the present invention, structure and principle change, all should be covered by in protection scope of the present invention.
Claims (16)
1. thin-type light emitting keyboard, comprise light emitting source, keycap, the leaded light deckle board, thin layer, switching circuit layer and base plate, this keycap is connected with this leaded light deckle board, and this leaded light deckle board moves up and down relatively, this keycap, the leaded light deckle board, thin layer, switching circuit layer and base plate are provided with from top to bottom in regular turn, it is characterized in that: this keycap is provided with printing opacity literal portion, this leaded light deckle board bottom offers groove, this light emitting source is arranged on this thin layer and is placed in this groove, and the light that this light emitting source sends shines this printing opacity literal portion via this leaded light deckle board guiding.
2. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: this groove inwall is formed with scattering part near this keycap side.
3. thin-type light emitting keyboard as claimed in claim 2 is characterized in that: this scattering part forms by a plurality of astigmatic knuckle along this side periphery of this groove.
4. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: the light refraction point has been made with texture or optical etching mode in the position under being positioned at keycap on this deckle board.
5. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: this thin layer has light transmission.
6. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: this thin layer adopts transparent plastic sheet to make.
7. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: also comprise the bridge formation body that is connected this keycap and this deckle board.
8. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: this light emitting source is a light emitting diode.
9. thin-type light emitting keyboard as claimed in claim 8 is characterized in that: this light emitting source utilizes the electric conductivity bond to be fixed on this thin layer.
10. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: this base plate is a metal base plate.
11. thin-type light emitting keyboard as claimed in claim 10 is characterized in that: this base plate is an aluminium sheet.
12. thin-type light emitting keyboard as claimed in claim 10 is characterized in that: this base plate is an iron plate.
13. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: also comprise an elastic body, and this leaded light deckle board also comprises a hollow-out parts, this elastic body passes this hollow-out parts, and this keycap elasticity is moved up and down.
14. thin-type light emitting keyboard as claimed in claim 13 is characterized in that: this elastomeric material is a silica gel.
15. thin-type light emitting keyboard as claimed in claim 13 is characterized in that: this elastic body bottom is arranged on this switching circuit layer.
16. thin-type light emitting keyboard as claimed in claim 1 is characterized in that: this literal portion forms by utilizing laser engraving to remove word segment after spraying paint in this key cap surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102612355A CN102103410B (en) | 2009-12-21 | 2009-12-21 | Thin luminous keyboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102612355A CN102103410B (en) | 2009-12-21 | 2009-12-21 | Thin luminous keyboard |
Publications (2)
Publication Number | Publication Date |
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CN102103410A true CN102103410A (en) | 2011-06-22 |
CN102103410B CN102103410B (en) | 2012-08-08 |
Family
ID=44156246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009102612355A Expired - Fee Related CN102103410B (en) | 2009-12-21 | 2009-12-21 | Thin luminous keyboard |
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CN (1) | CN102103410B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107170617A (en) * | 2017-06-22 | 2017-09-15 | 太原斯利德电子技术有限公司 | A kind of Low-radiation keyboard |
CN107402637A (en) * | 2016-05-20 | 2017-11-28 | 致伸科技股份有限公司 | Illuminated keyboard |
CN111326085A (en) * | 2018-12-14 | 2020-06-23 | 大众汽车有限公司 | Illuminable display device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10295728B2 (en) | 2014-10-23 | 2019-05-21 | Corning Incorporated | Light diffusing component and a method of manufacturing a light diffusing component |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1280695C (en) * | 2002-01-17 | 2006-10-18 | 达方电子股份有限公司 | Light-emitting keyboard |
TWI242737B (en) * | 2003-07-04 | 2005-11-01 | Darfon Electronics Corp | Light-emitting keyboard structure |
CN201311617Y (en) * | 2008-10-22 | 2009-09-16 | 兴隆发电子股份有限公司 | Illuminated keyboard |
-
2009
- 2009-12-21 CN CN2009102612355A patent/CN102103410B/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107402637A (en) * | 2016-05-20 | 2017-11-28 | 致伸科技股份有限公司 | Illuminated keyboard |
CN107170617A (en) * | 2017-06-22 | 2017-09-15 | 太原斯利德电子技术有限公司 | A kind of Low-radiation keyboard |
CN111326085A (en) * | 2018-12-14 | 2020-06-23 | 大众汽车有限公司 | Illuminable display device |
CN111326085B (en) * | 2018-12-14 | 2022-04-15 | 大众汽车有限公司 | Illuminable display device |
Also Published As
Publication number | Publication date |
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CN102103410B (en) | 2012-08-08 |
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Granted publication date: 20120808 Termination date: 20181221 |