CN103000424A - Light emitting keyboard - Google Patents
Light emitting keyboard Download PDFInfo
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- CN103000424A CN103000424A CN2011102742290A CN201110274229A CN103000424A CN 103000424 A CN103000424 A CN 103000424A CN 2011102742290 A CN2011102742290 A CN 2011102742290A CN 201110274229 A CN201110274229 A CN 201110274229A CN 103000424 A CN103000424 A CN 103000424A
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Abstract
The invention relates to a light emitting keyboard which comprises multiple keys, a first light emitting element, a second light emitting element and a light guide plate. The light guide plate is provided with a first light guide area, a second light guide area and an inner layer engraving area, wherein the first light guide area is used for guiding a first light beam bundle generated from the first light emitting element, and the second light guide area is used for guiding a second light beam generated from the second light emitting element. The inner laser engraving area between the first light guide area and the second light guide area can isolate the first light beam bundle from the second light beam bundle, is formed inside the light guide plate so as to avoid damaging structure of the light guide plate and reinforce the same, and accordingly, the light emitting keyboard is guaranteed to be firmer.
Description
Technical field
The present invention is about a kind of keyboard, especially about having the illuminated keyboard of lighting function.
Background technology
Keyboard is the computer peripheral apparatus of commonly using, and to computer, and each manufacturer is devoted to the development of keyboard and promotes its functional and convenience in order to input characters or instruction.Each manufacturer for can be in the environment of dark operation keyboard, existing way be cold light panel is arranged at the inside of keyboard and with it as light source, when cold light panel was supplied electric power, cold light panel was driven and launch light beam, makes keyboard present luminous effect.Yet this type of cold light panel only can be launched the color beam of single kind, so that existing illuminated keyboard can only present single kind of glow color.Another existing way is all to install a light-emitting diode (Light Emitting Diode, LED) additional and use as point-source of light under each button.Yet, install light-emitting diode additional in the below of each button, not only have expensive problem, more can produce the problem of illuminated keyboard poor heat radiation.
In order to solve above-mentioned two problems, TaiWan, China TW200945113 patent disclosure case discloses a kind of illuminated keyboard.See also Fig. 1, it is the surface structure schematic diagram of existing keyboard.Existing keyboard 10 has a plurality of buttons, for example numerical key, symbol keys, letter key, directionkeys, space bar and function key etc., the letter key, space bar, enter key (Enter) and the representative buttons such as directionkeys up and down that wherein represent W key, A key, S key and D key can present respectively the glow color different from other button, and the keyboard used for notebook computer of existing keyboard 10.
Next see also Fig. 2, it is the structural profile schematic diagram of the A-A ' section of existing illuminated keyboard among Fig. 1.Existing illuminated keyboard 10 comprises a key-press module 100 and a light emitting module 200, and light emitting module 200 is positioned at the below of key-press module 100.Key-press module 100 comprises a plurality of buttons 112,114, elastomer 120, scissor Connection Element 130 and film switch circuit 140, a plurality of buttons 112,114 are inputted corresponding signal in order to be pressed by the user, provide by this instruction to give to be connected in a computer (not being shown among the figure) of existing illuminated keyboard 10 and control performed program.And light emitting module 200 comprises shade element 210, light guide plate 220, reflector plate 230, the first light-emitting component 240 and the second light-emitting component 250.Light guide plate 220 comprises the first leaded light zone 222, the second leaded light zone 224 and lightproof area 226, and lightproof area 226 is between the 222 and second leaded light zone 224, the first leaded light zone, wherein lightproof area 226 is a gap that is disconnected, and it divides into the 222 and second leaded light zone 224, the first leaded light zone with light-guide device 220.Better way is that light screening material or reflecting material 227 additionally are set on lightproof area 226, and light screening material or reflecting material 227 be arranged at least one side adjacent with the 222 or second leaded light zone, the first leaded light zone 224, to promote its shaded effect.
In the light emitting module 200, the light beam (for example white light) of the first light-emitting component 240 in order to produce the first color, and the light beam of this first color is projeced into the first leaded light zone 222, and the light beam (for example blue light) of the second light-emitting component 250 in order to produce the second color, and the light beam of this second color is projeced into the second leaded light zone 224, wherein lightproof area 226 intercepts the 222 and second leaded light zone 226, the first leaded light zone, so that the not mutually blending of the light beam of the light beam of the first color and the second color.
Among Fig. 2 and Fig. 3, a plurality of the first light-emitting components 240 are adjacent at least one avris in the first leaded light zone 222, so that the light beam of the first color that the first light-emitting component 240 produces can be directed by the first leaded light zone 222, and the perforate 215 of passing shade element 210, the part button (for example button 112) of key-press module 100 is shown with the first color.On the other hand, be provided with at least one the second light-emitting component 250 in each second leaded light zone 224, so that the light beam of the second color that the second light-emitting component 250 produces can be directed by the second leaded light zone 224, and the perforate 215 of passing 224 tops, the second leaded light zone, make that the button (for example button 114) corresponding to the second leaded light zone 224 shows with the second color in the key-press module 100.The position in the second leaded light zone 224, size and distributed number etc. can will present the key position of the second color light and decide according to corresponding, such as the below of the letter key that is positioned at W key, A key, S key and D key and be rendered as convex, be positioned at below the space bar orthogonal etc.And reflector plate 230 is positioned under the light guide plate 220, in order to the light beam of the light beam of the first color of reflecting 220 scatterings of light-guide device or the second color it is utilized again, uses the scattering that improves the light utilization rate and avoid light beam.
The first light-emitting component 240 and the second light-emitting component 250 are used so that key-press module 100 can present different colors in predeterminated position for producing the light-emitting diode of different colours light.For instance, the first light-emitting component 240 can be white light emitting diode, and the second light-emitting component 250 can be blue light-emitting diode, then will have the first color block (for example button 112) that presents white light and the second color block (for example button 114) that presents blue light in the key-press module 100.
Above-mentioned for having structure and the operation principles of illuminated keyboard of multicolor displaying function, the button that it can provide user's multiple color to show is so that the user is in dark surrounds identification button and operate it.Yet, owing to have a plurality of lightproof areas that are disconnected 226 (that is gap) on the light guide plate 220, so that the structure of light guide plate 220 becomes fragile and impaired easily.Therefore, need a kind of firmer illuminated keyboard.
Summary of the invention
The technical problem that the present invention will solve is, for the prior art above shortcomings, provides a kind of illuminated keyboard that has than robust construction.
The technical solution adopted for the present invention to solve the technical problems provides a kind of illuminated keyboard, it comprises a plurality of buttons, the first light-emitting component, the second light-emitting component and light guide plate, this the first light-emitting component is arranged at the below of these a plurality of buttons, in order to produce the first light beam; This second light-emitting component is arranged at the below of these a plurality of buttons and adjacent to this first light-emitting component, in order to produce the second light beam; This light guide plate is arranged at the below of these a plurality of buttons and is positioned at a side of this first light-emitting component, and this light guide plate comprises the first leaded light zone, the second leaded light zone and inner laser carving area, this the first leaded light zone is positioned at this side of this first light-emitting component, is projected to the first key area of these a plurality of buttons in order to guide this first light beam; This second leaded light zone is positioned at a side of this second light-emitting component, is projected to the second key area of these a plurality of buttons in order to guide this second light beam; This inner laser carving area is between this first leaded light zone and this second leaded light zone, in order to isolate this first light beam and this second light beam.
Preferably, this first light-emitting component and this second light-emitting component are light-emitting diode (Light Emitting Diode, LED), and this first light beam is to show with the first color, and this second light beam is to show with the second color.
Preferably, described illuminated keyboard also comprises film switch circuit, main circuit board, luminous circuit board and base, and this film switch circuit and has a plurality of press-button contacts corresponding to these a plurality of buttons between these a plurality of buttons and this light guide plate; This main circuit board is connected in this film switch circuit and is positioned at a side of this film beginning circuit, gives this film switch circuit in order to an electric power to be provided; This luminous circuit board is positioned at the opposite side of this film switch circuit, in order to this first light-emitting component and this second light-emitting component to be set thereon and to provide another electric power to give this first light-emitting component and this second light-emitting component; This base is positioned at the below of these a plurality of buttons, in order to these a plurality of buttons of carrying.
Preferably, these a plurality of buttons respectively comprise button cap, scissor Connection Element and elastomer, and this scissor Connection Element is between this base and this button cap, in order to connect this base and this button cap and this button cap is moved up and down with respect to this base; This elastomer is between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and support this film switch circuit, to trigger this press-button contact; And when this button cap was no longer touched, this elastomer provided elastic force to give this button cap, and this button cap is resetted.
Perhaps, preferably, these a plurality of buttons respectively comprise button cap, button housing and elastomer, and this key-press shell body is positioned between this base and this button cap, in order to carry this button cap; This elastomer passes this button housing and between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and support this film switch circuit, to trigger this press-button contact; And when this button cap was no longer touched, this elastomer provided elastic force to give this button cap, and this button cap is resetted.
Preferably, described illuminated keyboard also comprises the 3rd light-emitting component and another light guide plate, and the 3rd light-emitting component is positioned at the below of this first light-emitting component, in order to produce the 3rd light beam; This another light guide plate is arranged at the below of this light guide plate and is positioned at a side of the 3rd light-emitting component, is projected to a button subregion in this second key area in order to guide the 3rd light beam.
Preferably, the 3rd light-emitting component is arranged on the luminous circuit board, and the 3rd light-emitting component is light-emitting diode, and the 3rd light beam is to show with the 3rd color; When the 3rd light beam was projected on this button subregion, this button subregion showed the 4th color that is formed by this second color and the 3rd blend of colors by showing that the second color changes to.
Preferably, described illuminated keyboard also comprises the second reflector plate, and this second reflector plate is positioned at the below of this another light guide plate, makes the 3rd light beam again enter this another light guide plate in order to reflect the 3rd light beam.
Preferably, described illuminated keyboard also comprises the first reflector plate, this first reflector plate is between this light guide plate and this another light guide plate, make this first light beam again enter this light guide plate in order to reflect this first light beam, and this first reflector plate has at least one perforate, this at least one perforate is positioned at the below of this button subregion, with so that the 3rd light beam passes this at least one perforate and make the 3rd light beam be projected to this button subregion.
Preferably, described illuminated keyboard also comprises the 4th light-emitting component, the 4th light-emitting component is adjacent to the 3rd light-emitting component, in order to produce the 4th light beam, and this another light guide plate comprises the 3rd leaded light zone, the 4th leaded light zone and another inner laser carving area, the 3rd leaded light zone is positioned at this side of the 3rd light-emitting component, is projected to this first key area of these a plurality of buttons in order to guide the 3rd light beam; The 4th leaded light zone is positioned at a side of the 4th light-emitting component, is projected to another button subregion of this first key area in order to guide the 4th light beam; This another inner laser carving area is between the 3rd leaded light zone and the 4th leaded light zone, in order to isolate the 3rd light beam and the 4th light beam.
Preferably, this inner laser carving area is to carry out the inner laser engraving technology and form in this light guide plate.
Illuminated keyboard of the present invention can show multiple color, so that the user sees through naked eyes identification different colours and picks out different key areas, more can be different from the color of key area and make the user pick out the position of specific keys subregion by the button subregion is shown, and its each light-emitting component arrange more convenient.Moreover, illuminated keyboard of the present invention mixes mutually for fear of the light beam of multiple color, in light guide plate, be provided with the inner laser carving area and can stop that light beam passes through, therefore can avoid the light beam of multiple color to mix, and the inner laser carving area is the surface that can not destroy light guide plate with the inner laser engraving technology in inner formation of light guide plate, so light guide plate has firmer structure, so that illuminated keyboard of the present invention, more firm, be difficult for losing.
Description of drawings
Fig. 1 is the surface structure schematic diagram of existing keyboard.
Fig. 2 is the structural profile schematic diagram of existing illuminated keyboard.
Fig. 3 is the structure schematic top plan view of existing illuminated keyboard.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 5 is the structural profile schematic diagram of illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 6 is light guide plate and the structural representation of light-emitting component in the first preferred embodiment of illuminated keyboard of the present invention.
Fig. 7 is the STRUCTURE DECOMPOSITION schematic diagram of illuminated keyboard of the present invention in the second preferred embodiment.
Fig. 8 is the structural profile schematic diagram of illuminated keyboard of the present invention in the second preferred embodiment.
Embodiment
The invention provides a kind of illuminated keyboard.Please consult simultaneously Fig. 4 and Fig. 5, Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of illuminated keyboard of the present invention in the first preferred embodiment, and Fig. 5 is the structural profile schematic diagram of illuminated keyboard of the present invention in the first preferred embodiment.Illuminated keyboard 3 comprises a plurality of buttons 30, film switch circuit 31, the first light-emitting component 32, the second light-emitting component 33, light guide plate 34, base 35, main circuit board 36, luminous circuit board 37, the 3rd light-emitting component 38, another light guide plate 39, the first reflector plate 40 and the second reflector plate 41.Button 30 respectively comprises a button cap 301, a button housing 302 and an elastomer 303.In the illuminated keyboard 3, basipetal the putting in order of above-mentioned each element is button cap 301, button housing 302, elastomer 303, film switch circuit 31, light guide plate 34, the first reflector plate 40, another light guide plate 39 and the second reflector plate 41.In this preferred embodiment, illuminated keyboard 3 is keyboards that a desktop PC is used.
Among Fig. 4 and Fig. 5, film switch circuit 31 and has a plurality of press-button contacts corresponding to a plurality of buttons 30 between a plurality of buttons 30 and light guide plate 34.Main circuit board 36 is connected in film switch circuit 31 and is positioned at a side of film beginning circuit 31, in order to provide an electric power to give film switch circuit 31, and luminous circuit board 37 is positioned at the opposite side of film switch circuit 31, in order to the first light-emitting component 32, the second light-emitting component 33 and the 3rd light-emitting component 38 to be set thereon and to provide another electric power to give the first light-emitting component 32, the second light-emitting component 33 and the 3rd light-emitting component 38.Base 35 is positioned at the below of a plurality of buttons 30, in order to carry a plurality of buttons 30, film switch circuit 31, light guide plate 34, the first reflector plate 40, another light guide plate 39 and the second reflector plate 41.
In each button 30, button housing 302 is between base 35 and button cap 301, and in order to carrying button cap 301, and elastomer 303 passes button housing 302 and between film switch circuit 31 and button cap 301.When button cap 301 was touched, elastomer 303 was compressed and support film switch circuit 31 triggering press-button contact, and when button cap 301 was no longer touched, elastomer 303 provided an elastic force to give button cap 301, and button cap 301 is resetted.
See also Fig. 6, it is the structural representation in the first preferred embodiment for the light guide plate of illuminated keyboard of the present invention and light-emitting component.The first light-emitting component 32 is arranged on the luminous circuit board 37 and is positioned at the below of a plurality of buttons 30, in order to produce the first light beam L1, and the second light-emitting component 33 is arranged on the luminous circuit board 37 and be positioned at the below of a plurality of buttons 30 and a side of the first light-emitting component 32, adjacent to this first light-emitting component 32, in order to produce the second light beam L2, in this preferred embodiment, the first light-emitting component 32 and the second light-emitting component 33 are all light-emitting diode, and the first light beam L1 shows with the first color (for example green), and the second light beam L shows with the second color (for example blue).Light guide plate 34 is arranged at the below of a plurality of buttons 30 and is positioned at a side of the first light-emitting component 32, and light guide plate 34 comprises the first leaded light zone 341, the second leaded light zone 342 and inner laser carving area 343.The first leaded light zone 341 is positioned at a side of the first light-emitting component 32, in order to guide the first light beam L1 to be projected to first key area (zone that for example consists of for tab key, Cap Lock key, shift key and Ctrl) of a plurality of buttons 30, the second leaded light zone 342 is positioned at a side of the second light-emitting component 33, is projected to second key area (for example zone for being made of a plurality of letter keys) of a plurality of buttons 30 in order to guide the second light beam L2.Inner laser carving area 343 is between the 341 and second leaded light zone 342, the first leaded light zone, avoid its first color and the second blend of colors in order to isolate the first light beam L1 and the second light beam L2, in this preferred embodiment, inner laser carving area 343 is to carry out the inner laser engraving technology and form in light guide plate 34.
Please consult simultaneously Fig. 5 and Fig. 6, the 3rd light-emitting component 38 is positioned at the below of the first light-emitting component 32, in order to produce the 3rd light beam L3, in this preferred embodiment, the 3rd light-emitting component 38 also is light-emitting diode, and the 3rd light beam L3 shows with the 3rd color (for example red).The first reflector plate 40 is between light guide plate 34 and another light guide plate 39, in order to reflect the first light beam L1 the first light beam L1 is entered in the light guide plate 34 again, and the first reflector plate 40 has a plurality of perforates 401, and these a plurality of perforates 401 are arranged in the below of a button subregion (zone that for example is made of W key, A key, S key and D key) of the second key area.The 3rd light beam L3 passes a plurality of perforates 401 and makes the 3rd light beam L3 be projected to the button subregion.
Another light guide plate 39 is arranged at the below of light guide plate 34 and is positioned at a side of the 3rd light-emitting component 38, passes perforate 401 and makes it be projected to the second button in order to guide the 3rd light beam L3.With the first reflector plate 40 similarly, the second reflector plate 41 is positioned at the below of another light guide plate 39, in order to reflect the 3rd light beam L3 the 3rd light beam L3 is entered in another light guide plate 39 again.
Please continue to consult Fig. 5 and Fig. 6, in the illuminated keyboard 3, the first light-emitting component 32 produces the first light beam L1 and makes it enter light guide plate 34, the first light beam L1 is directed via the first leaded light zone 341, make the first light beam L1 be projected to the first key area, at this moment, the first key area presents the first color (that is green).Similarly, the second light-emitting component 33 produces the second light beam L2 and makes it enter light guide plate 34, the second light beam L2 and is directed via the second leaded light zone 342, makes the second light beam L2 be projected to the second key area, at this moment, the second key area presents the second color (that is blue).When the 341 and second leaded light zone 342, the first leaded light zone guided respectively the first light beam L1 and the second light beam L2, the inner laser carving area 343 between the 341 and second leaded light zone 342, the first leaded light zone was isolated the first light beam L1 and the second light beam L2 and is avoided its first color and the second blend of colors.By this, the position that makes the user can be in dark surrounds clearly differentiate different key during operating light-emitting keyboard 3.
When the 3rd light beam L3 was produced and enters another light guide plate 39, the 3rd light beam L3 was passed a plurality of perforates 401 by another light guide plate 39 guiding, makes the 3rd light beam L3 be projected to the button subregion.At this moment, the second color that the button subregion shows is originally mixed with it in response to the 3rd light beam L3, the color that the button subregion is shown changes to the 4th color (for example being purple) by the second color (that is blue), and wherein the 4th color is to be formed by the second color and the 3rd blend of colors.By this, the user can pick out according to showing different colours (that is the 4th color) position in button subregion (that is the zone that is made of W key, A key, S key and D key) in a plurality of letter keys that show the second color.
What need special instruction is, the inner laser carving area 343 of light guide plate 34 is to utilize the inner laser engraving technology and form, the body laser inner carving technology is with the internal focus of pulse laser in light guide plate 34, its pulse laser destroys threshold value in the laser intensity on the surface of light guide plate 34 less than one, so the surface of light guide plate 34 can be not destroyed.And the laser intensity of the inside of light guide plate 34 is controlled and greater than destroying threshold value, make the inside of light guide plate 34 produce local melting and vaporization, by this in its light guide plate 34 inner vaporization micro-cracks that produce the micron order size, that is those vaporization micro-cracks formation inner laser carving areas 343, and the surface of light guide plate 34 is not destroyed.When light beam was projected to inner laser carving area 343 (that is micro-crack), its micro-crack made beam divergence and can't pass through it, and therefore, inner laser carving area 343 is completely cut off the first light beam L1 and the second light beam L2.Combine speech, inner laser carving area 343 is in the formation of the inside of light guide plate 34, and the surface of light guide plate 34 is not destroyed, so light guide plate 34 not only has the effect of isolated light beam, has more comparatively tough structure and is difficult for losing.
In addition, the present invention more provides one second preferred embodiment, please consult simultaneously Fig. 7 and Fig. 8, Fig. 7 is the STRUCTURE DECOMPOSITION schematic diagram of illuminated keyboard of the present invention in the second preferred embodiment, and Fig. 8 is the structural profile schematic diagram of illuminated keyboard of the present invention in the second preferred embodiment.Illuminated keyboard 5 comprises a plurality of buttons 50, film switch circuit 51, the first light-emitting component 52, the second light-emitting component 53, light guide plate 54, base 55, main circuit board 56, luminous circuit board 57, the 3rd light-emitting component 58, the 4th light-emitting component 59, another light guide plate 60, the first reflector plate 61 and the second reflector plate 62.The structure of the illuminated keyboard 5 of this preferred embodiment is identical with the illuminated keyboard 3 of the first preferred embodiment and repeat no more haply, and its difference has three.
First, the button 50 of the illuminated keyboard 5 of this preferred embodiment comprises button cap 501, scissor Connection Element 502 and elastomer 503, scissor Connection Element 502 is between base 55 and button cap 501, in order to connecting base 55 and button cap 501 and button cap 501 moved up and down with respect to base 55, that is the keyboard used for notebook computer of the illuminated keyboard 5 of this preferred embodiment.And base 55 has a plurality of holes on bases 551, triggers film switch circuit 51 in order to stretch into for elastomer 503.The second, the illuminated keyboard 5 of this preferred embodiment additionally is provided with the 4th light-emitting component 59, and it is positioned at a side of the 3rd light-emitting component 58, and adjacent to the 3rd light-emitting component 58, in order to producing the 4th light beam L4 ', and the 4th light beam is to show with the 5th color.
The 3rd, additionally be provided with the perforate 611 of a greater number on the first reflector plate 61 of the illuminated keyboard 5 of this preferred embodiment, for example be positioned at the perforate 611 of another button subregion (for example shift key) below of the first key area.The 4th, another light guide plate 60 of the illuminated keyboard 5 of this preferred embodiment comprises the 3rd leaded light zone 601, the 4th leaded light zone 602 and another inner laser carving area 603.The 3rd leaded light zone 601 is positioned at a side of the 3rd light-emitting component 58, in order to guide the 3rd light beam to be projected to the first key area of a plurality of buttons 50, and the 4th leaded light zone 602 is positioned at a side of the 4th light-emitting component 59, another button subregion (that is shift key) of being projected to the first key area in order to guide the 4th light beam to pass that the first reflector plate 61 is positioned at the perforate 611 of shift key below.Another inner laser carving area 603 is avoided its 3rd color and the 5th blend of colors in order to isolate the 3rd light beam and the 4th light beam between the 601 and the 4th leaded light zone 602, the 3rd leaded light zone.Certainly, another inner laser carving area 603 is to carry out the inner laser engraving technology and form in another light guide plate 60.
In the illuminated keyboard 5, the first light-emitting component 52 produces the first light beam (not being shown among the figure) and makes it enter light guide plate 54, the first light beam is directed via the first leaded light zone 341 of light guide plate 54, make the first light beam be projected to the first key area of a plurality of buttons 50, at this moment, the first key area presents the first color of the first light beam.Similarly, the second light-emitting component 53 produces the second light beam L2 ' and makes it enter light guide plate 54, the second light beam L2 ' is directed via the second leaded light zone 542 of light guide plate 54, make the second light beam L2 ' be projected to the second key area of a plurality of buttons 50, at this moment, the second key area presents the second color of the second light beam L2 '.When the 541 and second leaded light zone 542, the first leaded light zone guided respectively the first light beam and the second light beam L2 ', the inner laser carving area 543 between the 541 and second leaded light zone 542, the first leaded light zone was isolated the first light beams and the second light beam L2 ' and is avoided its first color and the second blend of colors.
When the 3rd light-emitting component 58 produces the 3rd light beam (not being shown among the figure), the 3rd light beam enters another light guide plate 60, a plurality of perforates 611 that the 3rd light beam is passed the first reflector plate 61 by 601 guiding of the 3rd leaded light of another light guide plate 60 zone make the 3rd light beam be projected to button subregion in the second key area.At this moment, the second color that the button subregion shows is originally mixed with it in response to the 3rd light beam, and the color that this button subregion is shown changes to the 4th color by the second color, and wherein the 4th color is to be formed by the second color and the 3rd blend of colors.Similarly, when the 4th light-emitting component 59 produces the 4th light beam L4 ' that shows with the 5th color, the 4th light beam L4 ' enters another light guide plate 60, a plurality of perforates 611 that the 4th light beam L4 ' is passed the first reflector plate 61 by 602 guiding of the 4th leaded light of another light guide plate 60 zone make the 4th light beam L4 ' be projected to another button subregion (that is shift key) in the first key area.At this moment, the first color that another button subregion shows is originally mixed with it in response to the 4th light beam L4 ', the color that this another button subregion is shown changes to the 6th color by the first color, and wherein the 6th color is to be formed by the first color and the 5th blend of colors.Certainly, another inner laser carving area 603 in another light guide plate 60 can completely cut off the 3rd light beam and avoids this with the 4th light beam L4 ' both mix mutually.
According to above-mentioned two preferred embodiments as can be known, illuminated keyboard of the present invention can show multiple color, so that the user sees through naked eyes identification different colours and picks out different key areas, more can be different from the color of key area and make the user pick out the position of specific keys subregion by the button subregion is shown, and its each light-emitting component arrange more convenient.Moreover, illuminated keyboard of the present invention mixes mutually for fear of the light beam of multiple color, in light guide plate, be provided with the inner laser carving area and can stop that light beam passes through, therefore can avoid the light beam of multiple color to mix, and the inner laser carving area is the surface that can not destroy light guide plate with the inner laser engraving technology in inner formation of light guide plate, so light guide plate has firmer structure, so that illuminated keyboard of the present invention is difficult for losing.
The above is preferred embodiment of the present invention only, is not to limit claim scope of the present invention, and therefore all other do not break away from the equivalence change of finishing under the disclosed spirit or modify, and all should be contained in the scope of the present invention.
Claims (11)
1. an illuminated keyboard is characterized in that, comprising:
A plurality of buttons;
The first light-emitting component is arranged at the below of these a plurality of buttons, in order to produce the first light beam;
The second light-emitting component is arranged at the below of these a plurality of buttons and adjacent to this first light-emitting component, in order to produce the second light beam; And
Light guide plate, be arranged at the below of these a plurality of buttons and be positioned at a side of this first light-emitting component, and this light guide plate comprises the first leaded light zone, the second leaded light zone and inner laser carving area, this the first leaded light zone is positioned at this side of this first light-emitting component, is projected to the first key area of these a plurality of buttons in order to guide this first light beam; This second leaded light zone is positioned at a side of this second light-emitting component, is projected to the second key area of these a plurality of buttons in order to guide this second light beam; This inner laser carving area is between this first leaded light zone and this second leaded light zone, in order to isolate this first light beam and this second light beam.
2. illuminated keyboard as claimed in claim 1 is characterized in that, this first light-emitting component and this second light-emitting component are light-emitting diode, and this first light beam is to show with the first color, and this second light beam is to show with the second color.
3. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises:
Film switch circuit between these a plurality of buttons and this light guide plate, and has a plurality of press-button contacts corresponding to these a plurality of buttons;
Main circuit board is connected in this film switch circuit and is positioned at a side of this film beginning circuit, gives this film switch circuit in order to an electric power to be provided;
Luminous circuit board is positioned at the opposite side of this film switch circuit, in order to this first light-emitting component and this second light-emitting component to be set thereon and to provide another electric power to give this first light-emitting component and this second light-emitting component; And
Base is positioned at the below of these a plurality of buttons, in order to these a plurality of buttons of carrying.
4. illuminated keyboard as claimed in claim 3 is characterized in that, these a plurality of buttons respectively comprise:
Button cap;
Scissor Connection Element is between this base and this button cap, in order to connect this base and this button cap and this button cap is moved up and down with respect to this base; And
Elastomer, between this film switch circuit and this button cap, when this button cap was touched, this elastomer was compressed and support this film switch circuit, to trigger this press-button contact; And when this button cap was no longer touched, this elastomer provided elastic force to give this button cap, and this button cap is resetted.
5. illuminated keyboard as claimed in claim 3 is characterized in that, these a plurality of buttons respectively comprise:
Button cap;
The button housing is between this base and this button cap, in order to carry this button cap; And
Elastomer passes this button housing and between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and support this film switch circuit, to trigger this press-button contact; And when this button cap was no longer touched, this elastomer provided elastic force to give this button cap, and this button cap is resetted.
6. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises:
The 3rd light-emitting component is positioned at the below of this first light-emitting component, in order to produce the 3rd light beam; And
Another light guide plate is arranged at the below of this light guide plate and is positioned at a side of the 3rd light-emitting component, is projected to a button subregion in this second key area in order to guide the 3rd light beam.
7. illuminated keyboard as claimed in claim 6 is characterized in that, the 3rd light-emitting component is arranged on the luminous circuit board, and the 3rd light-emitting component is light-emitting diode, and the 3rd light beam is to show with the 3rd color; When the 3rd light beam was projected on this button subregion, this button subregion showed the 4th color that is formed by this second color and the 3rd blend of colors by showing that one second color changes to.
8. illuminated keyboard as claimed in claim 7 is characterized in that, also comprises the second reflector plate, and this second reflector plate is positioned at the below of this another light guide plate, makes the 3rd light beam again enter this another light guide plate in order to reflect the 3rd light beam.
9. illuminated keyboard as claimed in claim 6, it is characterized in that, also comprise the first reflector plate, this first reflector plate is between this light guide plate and this another light guide plate, make this first light beam again enter this light guide plate in order to reflect this first light beam, and this first reflector plate has at least one perforate, and this at least one perforate is positioned at the below of this button subregion, with so that the 3rd light beam passes this at least one perforate and make the 3rd light beam be projected to this button subregion.
10. illuminated keyboard as claimed in claim 6 is characterized in that, also comprises the 4th light-emitting component, and the 4th light-emitting component is adjacent to the 3rd light-emitting component, and in order to producing the 4th light beam, and this another light guide plate comprises:
The 3rd leaded light is regional, is positioned at this side of the 3rd light-emitting component, is projected to this first key area of these a plurality of buttons in order to guide the 3rd light beam;
The 4th leaded light is regional, is positioned at a side of the 4th light-emitting component, is projected to another button subregion of this first key area in order to guide the 4th light beam; And
Another inner laser carving area is between the 3rd leaded light zone and the 4th leaded light zone, in order to isolate the 3rd light beam and the 4th light beam.
11. illuminated keyboard as claimed in claim 1 is characterized in that, this inner laser carving area is to carry out the inner laser engraving technology and form in this light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102742290A CN103000424A (en) | 2011-09-15 | 2011-09-15 | Light emitting keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102742290A CN103000424A (en) | 2011-09-15 | 2011-09-15 | Light emitting keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103000424A true CN103000424A (en) | 2013-03-27 |
Family
ID=47928874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102742290A Pending CN103000424A (en) | 2011-09-15 | 2011-09-15 | Light emitting keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103000424A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108122703A (en) * | 2016-11-28 | 2018-06-05 | 群光电能科技股份有限公司 | Backlight module applied to light-emitting keyboard and light-emitting keyboard |
| CN108305810A (en) * | 2018-01-31 | 2018-07-20 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| CN111355831A (en) * | 2020-03-16 | 2020-06-30 | 德兴市恒海科技有限公司 | Design method of glass rear cover embossment |
| WO2023173860A1 (en) * | 2022-03-15 | 2023-09-21 | Oppo广东移动通信有限公司 | Cover plate and preparation method therefor, housing and electronic device |
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| TWM330513U (en) * | 2007-07-27 | 2008-04-11 | Tennrich Int Corp | Key pad illumination structure |
| CN201218465Y (en) * | 2008-05-07 | 2009-04-08 | 达方电子股份有限公司 | Keyboard and its luminous module |
| CN201311617Y (en) * | 2008-10-22 | 2009-09-16 | 兴隆发电子股份有限公司 | Illuminated keyboard |
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| US7086768B2 (en) * | 2003-06-20 | 2006-08-08 | Matsushita Electric Industrial Co., Ltd. | Illumination device and illuminated input device |
| TWM330513U (en) * | 2007-07-27 | 2008-04-11 | Tennrich Int Corp | Key pad illumination structure |
| CN201218465Y (en) * | 2008-05-07 | 2009-04-08 | 达方电子股份有限公司 | Keyboard and its luminous module |
| CN201311617Y (en) * | 2008-10-22 | 2009-09-16 | 兴隆发电子股份有限公司 | Illuminated keyboard |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108122703A (en) * | 2016-11-28 | 2018-06-05 | 群光电能科技股份有限公司 | Backlight module applied to light-emitting keyboard and light-emitting keyboard |
| US10234619B2 (en) | 2016-11-28 | 2019-03-19 | Chicony Power Technology Co., Ltd. | Backlight module for light-emitting keyboard, light-emitting keyboard using same |
| CN108305810A (en) * | 2018-01-31 | 2018-07-20 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| CN108305810B (en) * | 2018-01-31 | 2019-08-27 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| CN111355831A (en) * | 2020-03-16 | 2020-06-30 | 德兴市恒海科技有限公司 | Design method of glass rear cover embossment |
| WO2023173860A1 (en) * | 2022-03-15 | 2023-09-21 | Oppo广东移动通信有限公司 | Cover plate and preparation method therefor, housing and electronic device |
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Application publication date: 20130327 |