CN201146126Y - Back light source type luminescence keyboard - Google Patents
Back light source type luminescence keyboard Download PDFInfo
- Publication number
- CN201146126Y CN201146126Y CNU2008200915320U CN200820091532U CN201146126Y CN 201146126 Y CN201146126 Y CN 201146126Y CN U2008200915320 U CNU2008200915320 U CN U2008200915320U CN 200820091532 U CN200820091532 U CN 200820091532U CN 201146126 Y CN201146126 Y CN 201146126Y
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- Prior art keywords
- keyboard
- light
- guide plate
- light guide
- frosted
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- 238000004020 luminiscence type Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000005498 polishing Methods 0.000 claims description 29
- 239000002775 capsule Substances 0.000 claims description 13
- 238000013507 mapping Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 208000003464 asthenopia Diseases 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 235000012773 waffles Nutrition 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
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Abstract
The utility model relates to a backlight luminous keyboard which more particularly clearly displays the layout of the keyboard and the characters on the surface of the keyboard in nonluminous or weak light environment and is convenient for the effective operation of a user to the keyboard; the utility model includes a keyboard body and a keyboard power connected with the keyboard body; the keyboard body includes a substrate provided with a plurality of key mapping holes as well as a plurality of keystrokes matched with the key mapping holes in limitation; the utility model also includes a plurality of rubber caps elastically matched with the keystrokes and a film arranged below the rubber caps; the keyboard is characterized in that the caps of the keystrokes at least includes a partial transparent or semi-transparent part; a backlight is arranged bellow the film, the beam of the backlight can at least penetrate the transparent or the semi-transparent part of the keystroke caps; the backlight includes a light guide and a plurality of LEDs with oppositely arranged lateral surfaces, an the LEDs are connected with the keyboard power; a light reflection source correspondingly matched with the LEDs is arranged on the light guide; the backlight luminous keyboard effectively lightens the vision fatigue of people and realizes the characteristic of humanization; besides; furthermore, the structure is novel, simple and skillful.
Description
Technical field
The utility model relates to keyboard, specifically, relate at the low light level or do not have and have lighting function in the luminous environment, effectively promoted the contrast of keyboard and display light and make things convenient for the valid function of user, and have a kind of back light source type illuminating keyboards economic, practical, reliable characteristics keyboard.
Background technology
Generally use along with computer, the also corresponding fast development that promotes the computer peripheral product, comprising keyboard, yet, existing keyboard does not generally possess lighting function, if the user is under the environment of unglazed or the low light level during operation keyboard, need be by other lighting source, particularly night environment or other low light environment also have the inconvenience part.So, the keyboard of lighting function has appearred on the market having, comprising fluorescence keyboard, cold light keyboard and LED illuminated keyboard etc., and with the luminous lighting function under its no luminous environment or the low light environment and decoration functions and be subjected to the generally approval and the favor in market.
But also there are many weak points in existing illuminated keyboard: the fluorescence keyboard scribbles fluorescent material by its key cap surface and realizes lighting function, although the fluorescence keyboard has certain luminous indication and illumination functions, but because light is faint in use, moreover, the fluorescent material of key cap surface loses due noctilucent function because of wearing and tearing easily, and therefore, this function exists useful life short, poor reliability, practicality do not wait not enough by force; The cold light keyboard is by placing below the keycap and being affixed on the cold light film of substrate surface, and supporting connection driver and realize lighting function, although the cold light keyboard has luminous even, do not generate heat and characteristics such as long service life, but in long-term use, because cold light film is in the state of exposing basically, airborne ash point is attached to the surface of cold light film easily by the slit between the keycap, thereby influence its illumination effect, moreover, the a whole set of accessory cost of this ray structure generally need spend the RMB about 20 yuan, for common keyboard, there is the higher deficiency of cost; And no matter the LED illuminated keyboard adopts paster LED still is the LED of other form, although have characteristics such as brightness height, layout be flexible, allow the people upset easily but light is dazzling, also cause people's the concentrated deficiency that waits of energy easily, moreover, also have non-uniform light, assembly process is more loaded down with trivial details, deficiencies such as price comparison costliness.
Therefore, along with the continuous progress of science and technology and the continual renovation of product are regenerated, no matter be fluorescence keyboard, cold light keyboard or LED illuminated keyboard, be still waiting further to improve and could satisfy the real demand in market with innovation.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of back light source type illuminating keyboard, under the prerequisite that does not influence keyboard self function, be implemented in the low light level or do not have lighting function in the luminous environment, make the key arrangement and the clear demonstration of character thereof of keyboard, and the contrast function of effective lifting and display light, alleviating people's visual fatigue, and demonstrate fully that people-oriented, also have economic, practical, reliably reach the characteristics of long service life.
Technical problem of the present utility model realizes by following technical scheme: construct a kind of back light source type illuminating keyboard, the keyboard power that comprises keyboard body and connection thereof, this keyboard body comprises the substrate that is provided with some key position holes, and be the spacing plurality of keys that cooperates with described key position hole, also comprise with described button and be some Capsules of resilient engagement and following film thereof, it is characterized in that, the keycap of described button comprises local transparent or semitransparent part at least, and below described film, be provided with its light backlight of the transparent or semitransparent part by this keycap at least, described backlight comprises that light guide plate and side thereof are the some LED that are provided with and are connected with keyboard power in opposite directions, and also described light guide plate is provided with the light reflection sources with described LED corresponding matching.
The local transparent or semitransparent part preferred characters stroke of described keycap is transparent or semitransparent, promptly sweeps the transparent or semitransparent part that is produced by radium-shine ink lay with character stroke on the keycap; Certainly, keycap also can whole clearing or translucent, and the corresponding character of institute is formed a stroke and is preferably opaque.Described smooth reflection sources is incident illumination that LED or other light source send and is incident upon and produces catoptrical pip combination on the light guide plate, comprises some pips combinations on inside or its surface of light guide plate.
The key position hole of described substrate is to hold the hole that the key of button descends activity to pass through on one's body, and the key body can adopt with keycap and is fixing Unitarily molded disjunctor key body, the edge setting of the key position hole of general disjunctor key body institute corresponding matching has the flange of spacing, stable and guide function, the key body also can adopt with keycap and be the hinge bracket key body that movable cassette is connected, as the press-key structure of keyboard of notebook computer.Light guide plate adopts translucidus material preferably, as PMMA, PS etc., and factor such as actual translucidus energy according to the cost of raw material and material and deciding.Described keyboard body comprises keyboard shell and built-in accessories and space.
Described LED can be positioned at any side of light guide plate, adjacent or symmetrical both sides, three sides or periphery, and is provided with LED groove or other combination of light sources in the respective side of described light guide plate.Described LED groove comprises the straight trough that connects described light guide plate respective side or the combination of some single circular grooves; Described combination of light sources can be the LED bar of some LED assembled arrangement or paster LED combination, and the vertical bar LED lamp of linearly equidistantly arranging as some LED, soft LED lamp or soft browne lamp etc. are all the electronic product of prior art, and the electronic market is on sale; Described combination of light sources also can be fluorescent tube and other light source etc.; Described combination of light sources can with the respective side secure fit of described light guide plate, be the fixedly connected groove of embedding formula as being provided with in the light guide plate side, perhaps be fixedly connected geometrical clamp or screw etc. in the respective side setting of light guide plate, perhaps combination of light sources directly is stickup with the respective side of light guide plate and is connected etc., combination of light sources also can be fixed on the inboard of keyboard body, is fixing embedding groove of embedding formula or bayonet socket etc. as being provided with combination of light sources.
The back light source type illuminating keyboard that provides according to the utility model, it is characterized in that, described light guide plate is the indent formula continuous slab along leaded light in the side, promptly on light guide plate, following arbitrary face is provided with indent formula light reflection sources, the polishing groove that comprises indent formula leaded light, frosted groove or its combination in any, between the polishing groove, being connected between the frosted groove or between polishing groove and the frosted groove, extend or staggered distribution form, as grid configuration, also comprise the net-point shape groove that is some hole slot combinations, wherein said net-point shape groove comprises by close to dredging, by dredging to close, ascending, descending arranged distribution form also comprises any art shapes groove of indent formula or three-dimensional character groove.Continuous slab is the plate body part and does not have the part of being emptied.In view of light guide plate place described film below, described polishing groove, frosted groove or its combination in any are preferable over the lower surface indent form of described light guide plate, the burnishing surface that is described light guide plate makes progress, and it is downward to have groove surface, and this groove surface comprises molding groove surface or engraving groove surface etc.
Described polishing groove is as the light reflection sources, luminous and irradiation is during light guide plate as LED, mainly be by leaded light in the side of light guide plate, the arbitrary face of polishing groove mainly is again a direct reflection, the preferred rectangular corner angle in the bottom of its groove, so its reflecting surface is preferably horizontal by 45, the incident light of LED makes progress through polishing groove top reflecting surface reflection back, and its light path is outwards luminous after by film, Capsule, key body, keycap or keycap character (character be transparent and keycap remainder when being opaque); When substrate when being transparent or semitransparent, its light path is also outwards luminous after by film and substrate.
Same described frosted groove as the light reflection sources, luminous and irradiation is during light guide plate as LED, mainly be by leaded light in the side of light guide plate, and the arbitrary face of frosted groove mainly forms diffuse reflection, the top reflecting surface angle of its groove does not have special requirement, the incident light of LED after the reflection of polishing bottom portion of groove reflecting surface, its quite a few upwards or reverberation obliquely outwards luminous after by film, Capsule, key body, keycap or keycap character (character be transparent and keycap remainder when being opaque).When substrate when being transparent or semitransparent, its light path is also outwards luminous after by film and substrate.
The back light source type illuminating keyboard that provides according to the utility model, it is characterized in that, described light guide plate is the raised type continuous slab of leaded light outside the side, promptly the upper and lower arbitrary face of light guide plate is provided with raised type light reflection sources, comprise the some polishing raised lines of raised type, polishing salient point, frosted raised line, frosted salient point and combination in any thereof, continuous slab is the plate body part and does not have the part of being emptied.Comprising molded plate, die cutting plate or stamping plate, also comprise any art shapes fin compoboard or three-dimensional character fin compoboard.Described polishing raised line or polishing salient point can be combined into polishing character board and the glossing mould board with light reflection sources, one-tenth rule simultaneously also capable of being combined or irregular, and polishing waffle slab and glossing dot grid with light reflection sources; In like manner, frosted raised line or frosted salient point can be combined into frosted character board and frosting technology mould board, perhaps frosted waffle slab and frosting technology dot grid.
Described polishing raised line, polishing salient point, frosted raised line, frosted salient point and combination in any thereof are as the light reflection sources, luminous and irradiation is during light guide plate as LED, mainly be by leaded light outside the side of light guide plate, promptly luminous and expose in the polishing or frosted reflecting surface of polishing projection or frosted projection by LED, form direct reflection or diffuse reflection, reverberation upwards or be tilted to by outwards luminous behind film, Capsule, key body, keycap or the keycap character (character be transparent and keycap remainder when being opaque).When substrate when being transparent or semitransparent, its light path is also outwards luminous after by film and substrate.
The back light source type illuminating keyboard that provides according to the utility model, it is characterized in that, light guide plate is the perforated plate of leaded light in the side or outside the side, its light reflection sources comprises the combination that any net distribution is put in some burnishing sticks, polishing point, frosted bar, frosted, also comprises the combination of the polishing side or the frosted side of some perforation.Luminous and irradiation both can be by the leaded light side of light guide plate outside during light guide plate as LED, also can pass through leaded light in the side of light guide plate.Perforated plate i.e. the plate partly emptied of other plate body except burnishing stick, polishing point, frosted bar, frosted point and combination in any or plate body coupling part.
The back light source type illuminating keyboard that provides according to the utility model, it is characterized in that described button comprises keycap and is the key body of fixed or movable connection, comprises disjunctor key body and hinged frames key body, described key cap surface is printed with character, and described key body preferably is transparent or semitransparent.When described substrate and described keycap are transparent or semitransparent, and that the character of described key cap surface is preferably is opaque, when the incident light of LED after the light reflection sources reflection of light guide plate, upwards or reverberation obliquely outwards luminous after by film, Capsule, key body, keycap, also comprise by the light behind film and the substrate; When the character of described key cap surface is transparent or semitransparent, the remainder of described keycap and described substrate are preferably opaque, when the incident light of LED after the light reflection sources reflection of light guide plate, upwards or outwards luminous behind the character of reverberation obliquely by film, Capsule, key body, keycap, character on the keycap is clearer, clear, more convenient operation.
Realize back light source type illuminating keyboard of the present utility model, have following advantage: its lighting function can clear display button layout in insufficient light or unglazed environment and the character of key cap surface, help identification, improve visibility, light is soft and not dazzling, makes us pleasing, has also effectively alleviated people's visual fatigue simultaneously, realize the characteristics of hommization, also had certain illumination functions simultaneously; Moreover light guide plate and top light reflection sources thereof can adopt any art shapes and realize the Handicraft decorative function, and structure is novel, simple in structure, ingenious, implements easily.
Description of drawings
Figure 1A adopts the perspective view of some strip photo-emission source combinations of lower surface indent for light guide plate;
Figure 1B adopts the some strip photo-emission source combinations of lower surface indent and the perspective view of the form that is interspersed for light guide plate;
Fig. 1 C is the perspective view that light guide plate adopts some strip photo-emission source combinations of upper surface evagination;
Fig. 1 D is that light guide plate adopts some strip photo-emission source combinations of upper surface evagination and the perspective view that is interspersed;
Fig. 1 E is that light guide plate adopts some strip photo-emission source combinations of frosted and the perforated plate perspective view that is interspersed;
Fig. 1 F is that light guide plate adopts the perforated plate perspective view of the polishing side combination of some perforation as photo-emission source;
Fig. 2 adopts the embodiment cross-sectional end view of desktop computer keyboard for the utility model;
Fig. 3 adopts the decomposition texture schematic diagram of the embodiment of desktop computer keyboard for the utility model;
Fig. 4 adopts the embodiment decomposition texture schematic diagram of flat key computor-keyboard for the utility model.
Embodiment
A kind of back light source type illuminating keyboard of the present utility model, shown in Figure 4 with reference to figure 2-, comprise keyboard body 9 and the keyboard power that connects thereof, this keyboard body 9 comprises the substrate 2 that is provided with some key position holes 20, and be the spacing plurality of keys that cooperates 3 with key position hole 20, also comprise with button 3 and be some Capsules 31 of resilient engagement and following film 4 thereof, the keycap 33 of button 3 comprises local transparent or semitransparent part at least, and below film 4, be provided with its light backlight 1 of the transparent or semitransparent part by this keycap 33 at least, backlight 1 comprises that light guide plate 11 and side thereof are in opposite directions the some LED 10 that are provided with and are connected with keyboard power, and also light guide plate 11 is provided with the light reflection sources 18 with the LED corresponding matching.
With reference to figure 1A-E, show and can be used for light guide plate of the present utility model, and adopt the translucidus transparent panel of material such as PS or PMMA preferably.Figure 1A is that light guide plate 11 adopts some strip photo-emission sources 18 combinations of lower surface indents and the incident light perspective view along the indent formula continuous slab of leaded light in the side, and the cross section of every photo-emission source is angular, the inner surface of corner angle is a burnishing surface, and the some indent formula strip light reflection sources 18 on the light guide plate 11 whenever are equidistant distribution between adjacent two; Figure 1B be light guide plate 11 adopt some strip photo-emission sources 18 combinations of lower surface indents and be interspersed, incident light is along the perspective view of the indent formula continuous slab of leaded light in the side, be that the photo-emission source employing is latticed, and the cross section of every photo-emission source is angular, and the inner surface of corner angle is a burnishing surface; Fig. 1 C is that light guide plate 11 adopts some strip photo-emission sources 18 combinations of upper surface evagination and the perspective view of incident light raised type continuous slab of leaded light outside the side, and the cross section of every photo-emission source 18 is angular, the outer surface of corner angle is a frosting, and the strip light reflection sources of the some evaginations on the light guide plate 11 whenever is equidistant distribution between adjacent two; Fig. 1 D is that light guide plate 11 adopts some strip photo-emission sources 18 combinations of upper surface evagination and the perspective view of be interspersed form and incident light raised type continuous slab of leaded light outside the side, be that the photo-emission source employing is latticed, and the cross section of every photo-emission source is angular, and the outer surface of corner angle is a burnishing surface; Fig. 1 E is that light guide plate 11 adopts some strip photo-emission sources 18 combinations of frosted and the perforated plate perspective view that is interspersed, be that photo-emission source adopts some frosted bars to be interspersed to connect and be combined into latticed perforated plate, the preferred molded plate of this perforated plate, the emery stick of even dry grinding adds that other outer plate body of its edge plate body is partly emptied, and the cross section of every photo-emission source is angular, and the outer surface of corner angle is a burnishing surface; Fig. 1 F is that light guide plate 11 adopts the perforated plate perspective view of the polishing side combination of some perforation as photo-emission source 18, and light guide plate 11 is the perforated plate of leaded light outside the side, and promptly the light reflection sources comprises the combination of the polishing side of some perforation, the preferred molded plate of this perforated plate.
What adopt in the specific implementation as shown in Figures 2 and 3, is the desktop computer keyboard.Fig. 2 shows the cross-sectional end view of the utility model illuminated keyboard, its light guide plate 11 adopts some strip photo-emission sources 18 combinations of lower surface indent, and, in the specific implementation, some strip photo-emission sources 18 are laterally equidistantly to be arranged, and is fixed in the LED groove 14 of forward and backward side that LED 10 on the pcb board 15 is arranged at light guide plate 11; Fig. 3 shows the decomposition texture schematic diagram of the utility model illuminated keyboard, its light guide plate 11 adopts some strip photo-emission sources 18 combinations of lower surface indent, and, in the specific implementation, some strip photo-emission sources 18 are vertically equidistantly to be arranged, and is fixed in the LED groove 14 of left and right side that LED 10 on the pcb board 15 is arranged at light guide plate 11.Button 3 is the disjunctor key body of fixing Unitarily molded structure for key body 32 and keycap 33, and is provided with key position hole 20 edges of its corresponding matching and has flange 34 spacing, stable and guide function, during use button 3 cooperate with Capsule 31 be about activity; Light guide plate 11 places between the base plate 5 of film 4 and keyboard body 9, and is provided with LED groove 14 in the bilateral symmetry of light guide plate 11, and each correspondence is provided with six LED 10 in this LED groove 14, with reference to shown in Figure 3, and is fixed on the pcb board 15; In specific implementation process, pcb board 15 can adopt to inlay fixing or paste and be fixed on the corresponding side surface of light guide plate 11; Light guide plate 11 concrete some strip photo-emission source 18 combining forms that adopt the lower surface indent, the cross section of every photo-emission source 18 is angular, the inner surface of corner angle is a burnishing surface, mainly is used as light reflection surface because its back side has the direct reflection function in use.
With reference to shown in Figure 2, in the specific implementation, the translucidus of choosing substrate 2 is opaque, LED10 luminous and expose to light guide plate 11 photo-emission source 18 burnishing surfaces the back side and mainly form direct reflection, and reflecting surface is preferably horizontal by 45, upwards reflective after the backside reflection of photo-emission source 18 burnishing surfaces when the glancing incidence light of LED considerable part, its light path is by film 4, Capsule 31, key body 32, keycap 33.When keycap 33 when being transparent or semitransparent, keycap 33 is outwards luminous; When the character on the keycap 33 when being transparent or semitransparent, and keycap 33 remainders are when being opaque, and the character on the keycap 33 is outwards luminous.When substrate 2 when being transparent or semitransparent, its light path also comprises directly the light by film 4, substrate 2, and the light of transparent or semitransparent keycap 33.
Adopt the flat key computor-keyboard in the specific implementation, also claim the kneetop computer keyboard, perhaps be miniature keyboard, ultra-thin keyboard etc., be that keycap adopts more flat notebook computer keycap form, and the key body both can be movable hinge bracket key body, also can be to be four pin formulas or other form that fixing molding is connected with keycap.Fig. 4 shows the embodiment decomposition texture of the utility model flat key computor-keyboard, light guide plate 11 adopts some strip photo-emission sources 18 combinations of frosted and the perforated plate structure that is interspersed, be that photo-emission source 18 adopts some frosted raised lines to be interspersed to connect and is combined into latticed, and adopt combination of light sources 16 with the light source of its corresponding matching, this combination of light sources is that some LED 10 linearly equidistantly arrange strip groove shape wherein, is provided with in the behind of LED simultaneously to be the backlight with reflection function.The quantity of combination of light sources 16 is four, be arranged at light guide plate 11 around, and be fixed on drain pan 8 medial surfaces of keyboard body 9, respective amount is on four the embedding groove 81.Because the flat key keyboard generally is built-in with the metal supporting plate 7 of anti-keyboard body 9 distortion, and place film 4 below, in the specific implementation, this metal supporting plate 7 is provided with and the corresponding loophole 70 in the center of Capsule 31 of the present utility model or button 3.
When in specific implementation process, adopting metal supporting plate 7, the character preferably clear of keycap 33, and remainder is opaque.When concrete the use, LED 10 is luminous and expose to the frosted reflecting surface of frosted raised line on the photo-emission source 18 of light guide plate 11, form diffuse reflection, its light path be reverberation upwards or be tilted to behind the character printing opacity of centre, keycap 33 of position, contact, the Capsule 31 of the loophole 70 that passes through metal supporting plate 7, film 4 outwards luminous.
Certainly, in specific implementation process, also can not adopt metal supporting plate 7, when substrate 2 when being opaque, LED 10 is luminous and expose to the frosted reflecting surface of frosted raised line on the photo-emission source 18 of light guide plate 11, form diffuse reflection, its light path be reverberation upwards or be tilted to that to pass through film 4, Capsule 31, button 3 outwards luminous, comprise that transparent or semitransparent keycap 33 is outwards luminous, the light-transmission character on the perhaps opaque keycap 33 is outwards luminous.When substrate 2 when being transparent or semitransparent, its light path also comprises directly the light by film 4, substrate 2, and the light of transparent or semitransparent keycap 33, the light-transmission character light on the perhaps opaque keycap 33.
In the specific implementation, no matter be desktop computer keyboard or flat key computor-keyboard, can with reference to light guide plate as the base plate of keyboard body, and be overall fixed, and need not to be provided with in addition the drain pan or the base plate of keyboard body with the keyboard body.Notions such as molding, cross cutting, stamping are carries out the mode that operations such as injection moulding, cutting, punching press are carried out product processing by mould.
Claims (7)
1, a kind of back light source type illuminating keyboard, the keyboard power that comprises keyboard body and connection thereof, this keyboard body comprises the substrate that is provided with some key position holes, and be the spacing plurality of keys that cooperates with described key position hole, also comprise with described button and be some Capsules of resilient engagement and following film thereof, it is characterized in that, the keycap of described button comprises local transparent or semitransparent part at least, and below described film, be provided with its light backlight of the transparent or semitransparent part by this keycap at least, described backlight comprises that light guide plate and side thereof are the some LED that are provided with and are connected with keyboard power in opposite directions, and also described light guide plate is provided with the light reflection sources with described LED corresponding matching.
2, back light source type illuminating keyboard according to claim 1, it is characterized in that, described light guide plate is the indent formula continuous slab along leaded light in the side, promptly the upper and lower arbitrary face of light guide plate is provided with indent formula light reflection sources, the polishing groove combination or the frosted groove combination that comprise indent formula leaded light also comprise the net-point shape distribution groove that is some hole slot combinations.
3, back light source type illuminating keyboard according to claim 1, it is characterized in that, described light guide plate is the raised type continuous slab of leaded light outside the side, promptly the upper and lower arbitrary face of light guide plate is provided with raised type light reflection sources, comprises the some polishing raised lines of raised type, polishing salient point, frosted raised line, frosted salient point and combination in any thereof.
4, back light source type illuminating keyboard according to claim 1, it is characterized in that, described light guide plate is the perforated plate of leaded light in the side or outside the side, its light reflection sources comprises that some burnishing sticks, polishing point, frosted bar, frosted put the combination that any net distribution connects, and also comprises the combination of the polishing side or the frosted side of some perforation.
5, back light source type illuminating keyboard according to claim 1 is characterized in that, described substrate and described keycap are transparent or semitransparent, and the stroke of described key cap surface is opaque.
6, back light source type illuminating keyboard according to claim 1 is characterized in that, the stroke of described key cap surface is transparent or semitransparent, and the remainder of described keycap and described substrate are opaque.
7, back light source type illuminating keyboard according to claim 1, it is characterized in that, described LED is positioned at any side of light guide plate, adjacent or symmetrical both sides, three sides or periphery, and be provided with LED groove or combination of light sources in the respective side correspondence of described light guide plate, and described LED groove comprises the straight trough of the described light guide plate of perforation side or the combination of some single circular grooves, described combination of light sources is fixed in the respective side of described light guide plate, comprises on the described light guide plate or on the side of keyboard body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200915320U CN201146126Y (en) | 2008-01-08 | 2008-01-08 | Back light source type luminescence keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200915320U CN201146126Y (en) | 2008-01-08 | 2008-01-08 | Back light source type luminescence keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201146126Y true CN201146126Y (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200915320U Expired - Fee Related CN201146126Y (en) | 2008-01-08 | 2008-01-08 | Back light source type luminescence keyboard |
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| Country | Link |
|---|---|
| CN (1) | CN201146126Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761991A (en) * | 2013-06-25 | 2016-07-13 | 致伸科技股份有限公司 | Luminous keyboard device |
-
2008
- 2008-01-08 CN CNU2008200915320U patent/CN201146126Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761991A (en) * | 2013-06-25 | 2016-07-13 | 致伸科技股份有限公司 | Luminous keyboard device |
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