CN201927524U - Multiple-color light-emitting key and multiple-color light-emitting keyboard - Google Patents
Multiple-color light-emitting key and multiple-color light-emitting keyboard Download PDFInfo
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- CN201927524U CN201927524U CN2010207004744U CN201020700474U CN201927524U CN 201927524 U CN201927524 U CN 201927524U CN 2010207004744 U CN2010207004744 U CN 2010207004744U CN 201020700474 U CN201020700474 U CN 201020700474U CN 201927524 U CN201927524 U CN 201927524U
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Abstract
The utility model discloses a multiple-color light-emitting key and a multiple-color light-emitting keyboard. The multiple-color light-emitting key comprises a bottom plate, a keycap and a light-emitting member. The bottom plate comprises holes. The keycap is arranged on the bottom plate and comprises light transmission parts. The light-emitting member is arranged below the bottom plate and comprises a base plate and a plurality of light-emitting units, the plurality of light-emitting units are formed on the base plate in a mode of planar array, and the plurality of light-emitting units can be selectively driven to emit light and the light enters the light transmission parts from the holes. Therefore, color and uniformity of the light entering the light transmission parts can be controlled by driving the plurality of the light-emitting units, and the problem of nonuniform projection of the light of the light-emitting key in the prior art can be solved.
Description
Technical field
The utility model refers to a kind of luminous button and illuminated keyboard that has planar light source and further can produce multicolor backlight especially about a kind of button and keyboard.
Background technology
Present many electronic installations are input interface with a plurality of buttons or keyboard still, for example computer, mobile phone etc., when ambient light is sufficient, the correct pressing keys of user all is out of question, yet when ambient light is not enough, the user then may push the wrong button, even rough position that may required button also can't determine, causes the inconvenience in the use.Therefore, existing at present illuminated keyboard is asked the city, and the phase is to solve the problem that the ambient light deficiency makes the mistake and pushes.
There is a kind of illuminated keyboard to provide backlight merely at present with the compensate for ambient insufficient light, precisely because backlight except the light-permeable part of passing keycap to reach indicating effect, also overflow from slit between each keycap, this light that overflows causes the interference of keycap indication on the contrary, if relative ambient light backlight is strong excessively, this light that overflows then seems dazzling.Other has a kind of illuminated keyboard at each keycap one point-source of light to be set, to reduce the degree that light overflows between keycap.Though this single point light source is designed to only to shine corresponding keycap, because of the point-source of light size is still big apart with corresponding keycap size, so as if keycap a plurality of transmittance sections are arranged, then the light that is radiated on these a plurality of transmittance sections of point-source of light just has uneven phenomenon.In fact, unless light diffusion in transmittance section is splendid, still have bright relatively spot zone otherwise can observe out the transmittance section from the keycap outside, this is the corresponding points light sources.In addition, because keycap is connected with an elevating mechanism with base plate, and light is many from the emission down of button base plate, so light is before arriving keycap, most probably by elevating mechanism stop, reflection etc., more shape is serious to make the problem of non-uniform of the light expose to keycap, also makes that the phenomenon of overflowing light between keycap is difficult to eliminate.In addition, when illuminated keyboard adopts dual color light emitting and in each keycap a pair of point-source of light is set, when launching different color light respectively, if this is to the non-tight adjacent setting of point-source of light, then the uniformity of its mixed light is also not good, and being radiated at light on the keycap, whole evenly good problem will more shape be not serious.
Therefore, present illuminated keyboard still has problems such as irradiation inequality, light spill and leakage, and the light source framework that needs to change illuminated keyboard is arranged in fact, with throw light effectively and equably in the transmittance section of keycap, the solution foregoing problems.
The utility model content
One of the purpose of this utility model is to provide a kind of multicolor luminous button, and it adopts a plurality of luminescence units to form the two-way array light source, so that the irradiation of uniform light to be provided, also can suppress the phenomenon of light spill and leakage.
Multicolor luminous button of the present utility model comprises base plate, keycap and illuminated component.This base plate has hollow out.This keycap is arranged on this base plate and comprises the transmittance section.This illuminated component is arranged under this base plate and comprises substrate and a plurality of luminescence unit, these a plurality of luminescence units are formed on this substrate in the planar alignment mode, these a plurality of luminescence units optionally are driven luminous, and by this hollow out to enter this transmittance section.By this, entering the color of light of this transmittance section and the uniformity etc. can be luminous and obtain control, the problem of luminous button ray cast inequality in the solution known techniques by driving this a plurality of luminescence units.
Further, in an embodiment, these a plurality of luminescence units adopt the luminescence unit of multiple coloured light, are staggered, can be by the luminance of each luminescence unit of control so that multiple ray cast effect to be provided, gradually layer, rendering effect etc. between for example versicolor backlight, different colours.
According to multicolor luminous button described in the utility model, a plurality of luminescence units are positioned at the hollow out below, and these a plurality of luminescence units are arranged and formed light-emitting blocks, and the profile of this light-emitting blocks is identical in fact with the profile of this hollow out.
According to multicolor luminous button described in the utility model, a plurality of luminescence units comprise a plurality of first luminescence unit and a plurality of second luminescence units that can launch second coloured light that differs from this first coloured light that can launch first coloured light, and these a plurality of first luminescence units are crisscross arranged with these a plurality of second luminescence units.Further, this first coloured light is ruddiness, and this second coloured light is green glow or blue light, and total light-emitting area of these a plurality of first luminescence units is greater than total light-emitting area of these a plurality of second luminescence units.
According to multicolor luminous button described in the utility model, illuminated component is an electroluminescent thin film.
Also comprise light-absorption layer according to multicolor luminous button described in the utility model, be formed at this base plate on the surface of these a plurality of luminescence units.
Another purpose of the present utility model is to provide a kind of multicolor luminous keyboard, and it adopts a plurality of multicolor luminous buttons of the present utility model, so it also can produce uniform irradiate light effect, and can suppress the phenomenon of light spill and leakage.
Multicolor luminous keyboard of the present utility model comprises base plate, a plurality of keycap and illuminated component.This base plate has a plurality of hollow outs.These a plurality of keycaps are arranged on this base plate, and each keycap comprises the transmittance section, to should a plurality of hollow outs one of them.This illuminated component is arranged under this base plate and comprises substrate and a plurality of luminescence units of corresponding each hollow out, these a plurality of luminescence units are formed on this substrate in the planar alignment mode, these a plurality of luminescence units optionally are driven luminous, and the hollow out by correspondence is to enter corresponding transmittance section.In like manner, for each keycap, the explanation of multicolor luminous button of the present utility model as described above, entering the color of light of this transmittance section and the uniformity etc. can be luminous and obtain to control by driving this a plurality of luminescence units; To keyboard generally speaking, the color and the uniformity of light that enters the transmittance section of each keycap all can be controlled individually, makes keyboard integral body that the function of optics indication also be arranged.
In brief, the light source of multicolor luminous button of the present utility model and multicolor luminous keyboard is different from the framework of the light guide plate of using single point light source or approaching whole keyboard profile in the prior art, change employing and with the framework part, the plane, arranged a plurality of luminescence units are set at single keycap, so can suppress the problem of light spill and leakage between keycap, and the projection of uniform light can be provided, solve the problem of prior art.Further, by the luminance of each luminescence unit of control, can realize the optics indicating effect of various coloured light and color change.
Description of drawings
Fig. 1 is the generalized section according to the multicolor luminous button of a preferred embodiment of the present utility model.
Fig. 2 is the schematic top plan view of illuminated component among Fig. 1.
Fig. 3 is the generalized section according to the multicolor luminous keyboard of a preferred embodiment of the present utility model.
Embodiment
For making the purpose of this utility model, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
See also Fig. 1, it is the generalized section according to the multicolor luminous button 1 of a preferred embodiment of the present utility model.Multicolor luminous button 1 comprises base plate 12, keycap 14, lifting support 16 and illuminated component 18.Keycap 14 is arranged on the base plate 12 and with lifting support 16 and is connected with base plate 12, and lifting support 16 makes keycap 14 to move up and down by the relative base plate 12 of the elasticity of a mitriform elastomer (not being shown among the figure).Illuminated component 18 is arranged under the base plate 12.Base plate 12 has two hollow outs 122.Keycap 14 comprises two transmittance sections 142, respectively corresponding aforementioned two hollow outs 122.Illuminated component 18 comprises substrate 182 and a plurality of luminescence unit 184.These a plurality of luminescence units 184 are divided into two groups, are formed on the substrate 182 in the planar alignment mode respectively and form light-emitting blocks 186, corresponding aforementioned hollow out 122 one of them.A plurality of luminescence units 184 in each light-emitting blocks 186 all can be selectively driven luminous, and the hollow out 122 by correspondence is to enter corresponding transmittance section 142 (shown in dotted arrow among the figure).In present embodiment, illuminated component 18 is electroluminescent thin film (electroluminescent film), but the utility model is as limit, and other can provide a plurality of luminescence units of planar alignment and can control the light supply apparatus of these a plurality of luminescence units individually also must be as illuminated component 18 of the present utility model.
In addition, in present embodiment, the light of being launched for luminescence units 184 of avoiding in each light-emitting blocks 186 is advanced to overflow or prevent through the hollow out 122 of non-correspondence and is overflowed through hollow out 122 from the unexpected light in elsewhere, so on the surface 124 of these a plurality of luminescence units 184, be coated with extinction material 20 in base plate 12, in order to absorb light, feasible light by hollow out 122 only comes self-corresponding light-emitting blocks 186 in principle, wherein the coating scope of extinction material 20 can reach admittedly in whole surperficial 124 of base plate 12, locate but also can only reach around hollow out 122, or decide according to the actual product design specification, the utility model is not as limit.
Please and consult Fig. 2, it is the schematic top plan view of illuminated component 18 among Fig. 1.Because of the hollow out part being arranged in base plate 12, the light beginning can pass, for example hollow out 122, so the luminescence unit 184 of illuminated component 18 only needs to get final product in the setting of corresponding hollow out part in principle, in present embodiment, the profile of light-emitting blocks 186 profile with hollow out 122 respectively is identical in fact, but the utility model is not as limit.In addition in Fig. 2, illuminated component 18 demonstrates and has four light-emitting blocks, so base plate 12 is also to there being four hollow outs in principle, but the utility model is not still as limit, for example 1 other members hide resistance if still there is button the hollow out of base plate 12 top, having little significance of luminescence unit 184 then is set under this member, and this moment, this hollow out promptly may corresponding plural light-emitting blocks.In Fig. 2, each light-emitting blocks 186 is divided into a plurality of minizones (cell), with expression luminescence unit 184, wherein the luminescence unit 184 of the illuminated component 18 of present embodiment is mainly realized with etch process, so some luminescence unit 184 is able to the non-rectangle profile and presents, can make the profile of light-emitting blocks 186 more to conform to the profile of corresponding hollow out 122.Again in present embodiment, luminescence unit 184 becomes light-emitting blocks 186 with rectangular array, so in practical application, luminescence unit 184 also is able to staggered mode and forms light-emitting blocks 186, and the profile of each luminescence unit 184 can be rectangle, rhombus, circle etc.; Only the utility model is not all as limit.
In addition, in present embodiment, these a plurality of luminescence units 184 comprise a plurality of first luminescence units 1842 (luminescence unit 184 expressions of letter " R " are arranged with sign) that can launch first coloured light, a plurality of second luminescence unit 1844 (luminescence unit 184 expressions of letter " G " are arranged with sign) and a plurality of the 3rd luminescence units 1846 (luminescence unit 184 expressions of letter " B " are arranged with sign) that can launch the 3rd coloured light that can launch second coloured light, wherein first coloured light is red light, second coloured light is green light, the 3rd coloured light is blue light, these a plurality of first luminescence units 1842, these a plurality of second luminescence units 1844 and these a plurality of the 3rd luminescence units 1846 are crisscross arranged, phase can be uniformly distributed in fact on the substrate 182 with the luminescence unit 184 that obtains each coloured light, but the utility model is not as limit; In actual product, the distribution of the luminescence unit 184 of each coloured light can be established the difference of optics indication design and be decided, and the luminescence unit 184 of blue light for example only is set in the marginal portion of light-emitting blocks 186.Therefore, except the light of light-emitting blocks 186 emission can come far beyond the point-source of light of the single or minority of illuminated keyboard in the known techniques evenly, also can be by the luminance (for example switch, luminous intensity etc.) of each luminescence unit 184 in the control light-emitting blocks 186 so that light-emitting blocks 186 is whole produces different backlightly, pass corresponding hollow out 122 and enter corresponding transmittance section 142 again.Because it is luminous that each light-emitting blocks 186 can independently be controlled, so each light-emitting blocks 186 pairing transmittance section 142 is from being able to different color performances; In addition, because it is luminous that each luminescence unit 184 also gets independent control in each light-emitting blocks 186, so each light-emitting blocks 186 can produce multiple ray cast effect, therefore gradually layer, rendering effect etc. between for example versicolor backlight, different colours, the transmittance section 142 of each light-emitting blocks 186 correspondence also can present multiple optics indicating effect.
Supplementary notes be that because that each luminescence unit 184 can be controlled separately is luminous, so the illuminated component 18 that is ray cast of dynamic change is provided, easier guiding user operates multicolor luminous button 1, further promotes the function that its optics is indicated.In addition, in previous embodiment, each light-emitting blocks 186 all comprises the luminescence unit 184 of three kinds of coloured light, but the utility model is as limit, for example only comprises two kinds or still less the coloured light of kind or the luminescence unit 184 that comprises a greater variety of coloured light also can.In addition, because different luminescent material or luminous mechanisms, and based on the color principle, total light-emitting area of the luminescence unit 184 of each coloured light is uninevitable identical, in present embodiment, total light-emitting area of the luminescence unit 184 of red light is greater than total light-emitting area of the luminescence unit 184 of edge coloured light or blue light, but the utility model is not still as limit.
Supplementary notes is again, and in previous embodiment, though transmittance section 142 a corresponding hollow out 122 and light-emitting blocks 186, the utility model is not as limit.In practical application, can provide more large tracts of land, more uniform ray cast for making illuminated component 18, so in principle under the strength demand that can satisfy base plate 12 or other structural requisites, base plate 12 is hollow out as much as possible; The transmittance section 142 of keycap 14 then utilizes self-luminous member 18 to penetrate and pass the function of ray cast to provide user's optics to indicate of hollow out, and a light-emitting blocks 186 also must only can not provide backlight to single transmittance section 142.Therefore, light-emitting blocks 186 should be decided with the actual product structure with the corresponding relation of transmittance section 142, and the utility model does not exceed with the structure that previous embodiment was presented.
See also Fig. 3, it is the generalized section according to the multicolor luminous keyboard 3 of a preferred embodiment of the present utility model.In present embodiment, multicolor luminous keyboard 3 comprises a plurality of multicolor luminous buttons 1, wherein polychromatic light is sent out in the button 1 partial component and is integrated, so multicolor luminous keyboard 3 comprises base plate 12, a plurality of keycaps 14 and illuminated component 18, base plate 12 has a plurality of hollow outs 122, each keycap 14 is arranged on the base plate 12 and comprises two transmittance sections 142,142 pairs of each transmittance sections should be a plurality of hollow out 122 one of them, illuminated component 18 is arranged under the base plate 12 and comprises substrate 182 and corresponding each hollow out 122 comprises a plurality of luminescence units 184, these a plurality of luminescence units 184 are formed on the substrate 182 in the planar alignment mode and can be selectively driven luminously, and the hollow out 122 by correspondence is to enter corresponding transmittance section 142.Relevant polychromatic light is sent out the applicable person in the multicolor luminous keyboard 3 that is illustrated in of button 1 each parts and distortion thereof in previous embodiment, also has it to be suitable for, and repeats no more.
Therefore, the multicolor luminous button 1 of each of multicolor luminous keyboard 3 all can be brought into play the optics deixis independently, and its detailed description and change type are please directly consulted polychromatic light in the previous embodiment and sent out explanation relevant in the button 1, repeat no more.In addition, because each keycap 14, even each transmittance section 142 on the single keycap 14 all can independently present the optics indicating effect, so transmittance section 142 integral body of a plurality of keycaps 14 of multicolor luminous keyboard 3 can be used as the optics instruction screen, in order to bigger optics indicator diagram to be provided, the apparent effect that the optics indication only can be provided single keycap 14 in the known techniques that is different from is so multicolor luminous keyboard 3 has novel optics indicating effect.
In sum, compared to prior art, multicolor luminous button of the present utility model and multicolor luminous keyboard utilize a plurality of luminescence units, hollow out at base plate, be provided with in the planar alignment mode, so that uniform ray cast to be provided, solve the uneven problem of ray cast in the known techniques, also can suppress the problem of light spill and leakage between keycap.Further, by the luminous characteristic of the independence of each luminescence unit, the utility model can be realized the optics indicating effect of various coloured light and color change, and also being able to keyboard whole is display screen, bigger optics indicator diagram is provided, the optics indicating effect of user's novelty is provided.
The utility model is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present utility model.Must be pointed out that the embodiment that has disclosed does not limit scope of the present utility model.On the contrary, change and the retouching done in not breaking away from spirit and scope of the present utility model all belong to scope of patent protection of the present utility model.
Claims (12)
1. multicolor luminous button is characterized in that comprising:
Base plate has hollow out;
Keycap is arranged on this base plate, and this keycap comprises the transmittance section; And
Illuminated component, be arranged under this base plate, this illuminated component comprises substrate and a plurality of luminescence unit, and these a plurality of luminescence units are formed on this substrate in the planar alignment mode, these a plurality of luminescence units optionally are driven luminous, and by this hollow out to enter this transmittance section.
2. multicolor luminous button as claimed in claim 1 is characterized in that these a plurality of luminescence units are positioned at this hollow out below, and these a plurality of luminescence units are arranged and formed light-emitting blocks, and the profile of this light-emitting blocks and the profile phase of this hollow out are together.
3. multicolor luminous button as claimed in claim 1, it is characterized in that these a plurality of luminescence units comprise a plurality of first luminescence unit and a plurality of second luminescence units that can launch second coloured light that differs from this first coloured light that can launch first coloured light, these a plurality of first luminescence units are crisscross arranged with these a plurality of second luminescence units.
4. multicolor luminous button as claimed in claim 3 is characterized in that this first coloured light is ruddiness, and this second coloured light is green glow or blue light, and total light-emitting area of these a plurality of first luminescence units is greater than total light-emitting area of these a plurality of second luminescence units.
5. multicolor luminous button as claimed in claim 1 is characterized in that this illuminated component is an electroluminescent thin film.
6. multicolor luminous button as claimed in claim 1 is characterized in that also comprising light-absorption layer, is formed at this base plate on the surface of these a plurality of luminescence units.
7. multicolor luminous keyboard is characterized in that comprising:
Base plate has a plurality of hollow outs;
A plurality of keycaps are arranged on this base plate, and each keycap comprises the transmittance section, to should a plurality of hollow outs one of them; And
Illuminated component, be arranged under this base plate, this illuminated component comprises a plurality of luminescence units of substrate and corresponding each hollow out, these a plurality of luminescence units are formed on this substrate in the planar alignment mode, these a plurality of luminescence units optionally are driven luminous, and the hollow out by correspondence is to enter corresponding transmittance section.
8. multicolor luminous keyboard as claimed in claim 7 is characterized in that these a plurality of luminescence units are positioned at this corresponding hollow out below, and these a plurality of luminescence units are arranged and formed light-emitting blocks, and the profile phase of the hollow out that the profile of this light-emitting blocks is corresponding with this together.
9. multicolor luminous keyboard as claimed in claim 7, it is characterized in that these a plurality of luminescence units comprise a plurality of first luminescence unit and a plurality of second luminescence units that can launch second coloured light that differs from this first coloured light that can launch first coloured light, these a plurality of first luminescence units are crisscross arranged with these a plurality of second luminescence units.
10. multicolor luminous keyboard as claimed in claim 9 is characterized in that this first coloured light is ruddiness, and this second coloured light is green glow or blue light, and total light-emitting area of these a plurality of first luminescence units is greater than total light-emitting area of these a plurality of second luminescence units.
11. multicolor luminous keyboard as claimed in claim 7 is characterized in that this illuminated component is an electroluminescent thin film.
12. multicolor luminous keyboard as claimed in claim 7 is characterized in that also comprising light-absorption layer, is formed at this base plate on the surface of these a plurality of luminescence units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207004744U CN201927524U (en) | 2010-12-21 | 2010-12-21 | Multiple-color light-emitting key and multiple-color light-emitting keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207004744U CN201927524U (en) | 2010-12-21 | 2010-12-21 | Multiple-color light-emitting key and multiple-color light-emitting keyboard |
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| Publication Number | Publication Date |
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| CN201927524U true CN201927524U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010207004744U Expired - Fee Related CN201927524U (en) | 2010-12-21 | 2010-12-21 | Multiple-color light-emitting key and multiple-color light-emitting keyboard |
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