CN201146128Y

CN201146128Y - Light-guiding line type luminescence keyboard

Info

Publication number: CN201146128Y
Application number: CNU200820091534XU
Authority: CN
Inventors: 邱亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-08
Filing date: 2008-01-08
Publication date: 2008-11-05
Anticipated expiration: 2018-01-08

Abstract

The utility model relates to a light guide type luminous keyboard which more particularly realizes the luminous function in nonluminous or weak light environment and has the characteristics of being economic and practical in particular. The keyboard includes a keyboard body and a keyboard power connected with the keyboard body; the keyboard body includes a substrate, a plurality of key mapping holes arranged on the substrate, and a plurality of keystrokes which are matched with the key mapping holes by moving up and down and corresponding to the key mapping holes; the keyboard also includes rubber caps elastically matched with the keystrokes and a film below the rubber caps; the keyboard is characterized in that the keyboard body is provided with an optical fiber plate, the optical path of the beam of which can at least penetrate the keyboard, as well as a light source corresponding to the end surface of the optical fiber plate; while the light source is connected with the keyboard power; the keyboard has novel and simple structure, has good reliability, high practicability and good use effect; besides, the keyboard fully shows the human oriented characteristic.

Description

Light guidance board type illuminating keyboard

Technical field

The utility model relates to illuminated keyboard, specifically, relates to and can realize lighting function in unglazed or low light environment, especially has a kind of light guidance board type illuminating keyboard of economic, practical characteristics.

Background technology

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, thereby, cause inconvenience for user's use.So, illuminated keyboard has appearred on the existing market, 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, wherein, comprise that scribbling fluorescent material by key cap surface realizes the fluorescence keyboard of lighting function, realizes the cold light keyboard of lighting function and the LED illuminated keyboard etc. of directly realizing lighting functions by the some LED that are built in keyboard by the cold light film that places below the keycap and be affixed on substrate surface.

But also there are many weak points in existing illuminated keyboard, for example: 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, the deficiency that poor reliability, practicality are not strong; And in view of the cold light film of cold light keyboard be that whole plate is luminous, illumination effect is relatively more dull, the more important thing is that cost is uneconomical; Although and the brightness of LED illuminated keyboard is higher, non-uniform light, assembly process is more loaded down with trivial details, and the price comparison costliness.Therefore, along with the continuous progress of science and technology and the continual renovation of product are regenerated, the light source of existing illuminated keyboard can't satisfy people's real consumption demand, thereby, be still waiting further to improve and innovation.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of light guidance board type illuminating keyboard, under the environment of unglazed or the low light level, realize having the light deixis by lighting function, make the key position and the clear demonstration of character thereof of keyboard, handled easily and use have realized the characteristics of hommization.

Technical problem of the present utility model realizes by following technical scheme: construct a kind of light guidance board type illuminating keyboard, the keyboard power that comprises keyboard body and connection thereof, this keyboard body comprises substrate and top some key position holes thereof, and correspondence is the movable up and down plurality of keys that cooperates with described key position hole, also comprise with described button and be the Capsule of resilient engagement and following film thereof, it is characterized in that, the keyboard body is provided with the light path of its light at least can be by the fibre optic plate of button, also be provided with and the corresponding light source of the end face of this fibre optic plate, and described light source is connected with described keyboard power.So-called substrate is the up and down plate body that relies on of plurality of keys, between keycap and film; Described key position hole is the hole that the key body that can hold button passes through, and the key position hole edge of desktop computer keyboard also is provided with flange, and the setting and the key arrangement of described key position hole match.

Light guidance board type illuminating keyboard according to the utility model provides is characterized in that, described fibre optic plate is some entire body optical fiber or the tiling of interspersing optical fiber combination, and becomes plate by the milky white adhesive adhesion, and is cut with some flash-points at the upper surface of this fibre optic plate.So-called entire body optical fiber also claims the side emitting optical fiber, is generally software, and as the PMMA material, its translucidus is also preferable; And what is called is interspersed optical fiber, i.e. the luminous optical fiber of end points, and it is harder relatively to be generally quality, and as the PS material, its translucidus is also good.All cut some flash-points and realize side lighting function preferably by the side of optical fiber.So-called flash-point promptly cuts the breach that is produced by cutter or other sharp instrument, discharges light and luminous at this breach during optical fiber light-guiding.

Light guidance board type illuminating keyboard according to the utility model provides is characterized in that, described fibre optic plate can be for placing the die cutting plate of upper surface of base plate or lower surface, and be cut with the cross cutting hole that is complementary with described key position hole on its plate face.When fibre optic plate placed upper surface of base plate, the translucidus of the keycap of described button was transparent or semitransparent, and light path is outwards luminous by gap and keycap between the keycap, and the translucidus of substrate is not required; When fibre optic plate places the lower surface of substrate, described cross cutting hole holds described Capsule at least to be passed through, and when thicker as if fibre optic plate, also will cooperate the key body of button to pass through, especially disjunctor key body comprises the key body of desktop computer keyboard and the key body of flat key computor-keyboard pushbotton.And the translucidus of the keycap of described substrate and described button is transparent or semitransparent, and light path is outwards luminous by gap and keycap between substrate, the keycap.

Described fibre optic plate can also be for placing the stripe board between the every adjacent two row's key position holes of described upper surface of base plate or lower surface.When placing the upper surface of substrate, require the translucidus of the keycap of described button to be transparent or semitransparent, light path is outwards luminous by gap and keycap between the keycap, and the translucidus of substrate is not required; When placing the lower surface of substrate, and the translucidus of the keycap of described substrate and described button is transparent or semitransparent, and light path is outwards luminous by gap and keycap between substrate, the keycap.

Described fibre optic plate also can be the continuous slab that places under the film, and between the base plate or metal supporting plate of described film and keyboard body, at least the translucidus of the keycap part of button is transparent or semitransparent, stroke comprising described keycap is transparent or semitransparent, and the stroke of this keycap is positioned at its centre.In use, light path is outwards luminous by the character of film, Capsule, keycap.And that the translucidus of the keycap of described button and key body or substrate also can be is transparent or semitransparent, and stroke is opaque.In use, its light path is outwards luminous by film, Capsule, keycap, or by film, substrate, keycap and between the gap outwards luminous.

Described fibre optic plate is the continuous slab that places under the described metal supporting plate, and between the base plate of described metal supporting plate and keyboard body, and the loophole that the key position hole layout on setting and described substrate on the described metal supporting plate is complementary, and the translucidus of the keycap part of described at least button is transparent or semitransparent, stroke comprising described keycap is transparent or semitransparent, and the light path of its light is outwards luminous by the character of the loophole of metal supporting plate, film, Capsule, keycap.

Light guidance board type illuminating keyboard according to the utility model provides is characterized in that, described light source is LED, comprises the combination of monochromatic LED, seven color LED and some monochromatic LEDs.Can adopt vertical bar LED lamp, soft LED lamp or soft browne lamp etc., the electronic market is on sale, also can adopt the LED that carries chip or external chip, but the integrated LED module comprise being integrated on the pcb board, realize some coloured light combinations or moulding combination.This photoelectric technology is a prior art, and its element is on sale in the electronic market.And light source is relative with the end face of described fibre optic plate, comprises any end face or the two ends end face at two ends, also can realize the photoelectric functional of some coloured light combinations or moulding combination by the combination of some monochromatic LEDs fibre optic plate end face corresponding with it.Certainly, light source also is not limited to LED, also can be other luminous element or luminous tube.The end face of fibre optic plate size is as long as in the range of exposures of same source light, just can shared same light source, but will decide according to actual conditions; The end face at same fibre optic plate two ends all can be distinguished common light source.Described light source both can be built on the keyboard body, on the medial surface as the keyboard body, also can place on the end face of described fibre optic plate.

Realize light guidance board type illuminating keyboard of the present utility model, has following advantage: in insufficient light or unglazed environment, realized lighting function, and improved the light contrast of keyboard and display, can clear display button layout and the character of key cap surface, help identification, demonstrated fully the characteristics that people-oriented; The utility model structure is novel, simple in structure, implements easily, and good reliability, practical, the result of use ideal, union is ornamental, interesting in one.

Description of drawings

Figure 1A adopts the plan structure simplified schematic diagram of continuous slab for fibre optic plate;

The die cutting plate plan structure simplified schematic diagram in Figure 1B square cross cutting hole for fibre optic plate adopts;

Fig. 1 C is the plan structure simplified schematic diagram that fibre optic plate adopts stripe board;

Fig. 1 D is the die cutting plate plan structure simplified schematic diagram that fibre optic plate adopts circular cross cutting hole;

Fig. 2 is the embodiment decomposition texture schematic diagram of the built-in continuous slab of desktop computer keyboard;

Fig. 3 is the embodiment decomposition texture schematic diagram of the built-in die cutting plate of flat key computor-keyboard.

Embodiment

A kind of light guidance board type illuminating keyboard of the present utility model, with reference to figure 2, shown in Figure 3, comprise keyboard body 2 and the keyboard power that connects thereof, this keyboard body 2 comprises substrate 3 and top some key position holes 4 thereof, and correspondence is the movable up and down plurality of keys 5 that cooperates with key position hole 4, also comprise with button 5 and be the Capsule 6 of resilient engagement and following film 7 thereof, the light path that keyboard body 2 is provided with its light at least can be by the fibre optic plate 1 of button 5, also be provided with and the corresponding light source 8 of the end face of this fibre optic plate 1, and light source 8 is connected with keyboard power.

Among Figure 1A, fibre optic plate 1 adopts continuous slab, and preferably upper surface 10 is a light-emitting area, and promptly the upper surface at this fibre optic plate 1 is cut with some flash-points 11.Below the general preferred film that places in the desktop computer keyboard of the fibre optic plate of this version.

Among Figure 1B, fibre optic plate 1 adopts die cutting plate, promptly the plate face mould of fibre optic plate 1 is cut to the some square cross cutting hole 17 that the key position hole layout with substrate is complementary by cutting die, and the medial surface setting in this square cross cutting hole 17 is burnishing surface, be that the end face of some optical fiber is convenient to light for the light face and is passed through, effectively reduce the decay of light in communication process; And the upper surface 10 of preferred fiber plate 1 is light-emitting area, and promptly the upper surface at this fibre optic plate 1 is cut with some flash-points 11.The fibre optic plate of this version can place the upper surface of substrate, and preferably should be provided with; Fibre optic plate also can place the lower surface of substrate, and the translucidus of substrate is transparent or semitransparent.The key position hole of flange is also supported to have in square cross cutting hole 17, and the size in promptly square cross cutting hole and the outer edge of flange are complementary.

Among Fig. 1 C, fibre optic plate 1 adopts stripe board, and preferably upper surface 10 is a light-emitting area, and promptly the upper surface at this fibre optic plate 1 is cut with some flash-points 11.The fibre optic plate of this version can place the upper surface of substrate, and preferably should be provided with; Fibre optic plate also can place the lower surface of substrate, and the translucidus of substrate is transparent or semitransparent.

Among Fig. 1 D, fibre optic plate 1 adopts die cutting plate, promptly by cutting die with the some circular cross cuttings of fibre optic plate 1 cross cutting hole 18, be complementary with the key position hole layout of substrate, and the medial surface setting in circular cross cutting hole 18 is burnishing surface, be that the end face of some optical fiber is convenient to light for the light face and is passed through, effectively reduce the decay of light in communication process; The upper surface 10 of preferred fiber plate 1 is a light-emitting area, and promptly the upper surface at this fibre optic plate 1 is cut with some flash-points 11.The fibre optic plate of this version preferably places below the substrate and between film, and the size in its circular cross cutting hole 18 can be held Capsule 6 at least and passes through, if when fibre optic plate is thicker, should cooperate the key body of button to pass through, especially disjunctor key body.

Below in conjunction with specific embodiment light guidance board type illuminating keyboard of the present utility model is described.

Embodiment 1: fibre optic plate 1 is placed in the desktop computer keyboard, as shown in Figure 2, specifically be built in below the film 7 of keyboard body 2, and between the base plate 21 of film 7 and keyboard body 2, and the end face at fibre optic plate 1 two ends is respectively arranged with light source 8, be specially the vertical bar LED 88 that is integrated on the pcb board 81, and this vertical bar LED be fixed on the housing medial surface of keyboard body 2, as paste fixing etc.; And fibre optic plate 1 adopts continuous slab, and its upper surface 10 is a light-emitting area, and promptly the upper surface at fibre optic plate 1 is cut with some flash-points 11, with reference to shown in Figure 1A; The translucidus that stroke is gone up on keycap 51 surfaces of preferred button 5 is transparent or semitransparent, and the translucidus of preferable substrate 3 is opaque simultaneously.When concrete the use, the two ends of the luminous and irradiation fibre optic plate 1 of light source 8 by some optical fiber light-guidings, make its flash-point 11 luminous, and its light path is outwards luminous by the character on film 7, Capsule 6, the keycap 51.With reference to shown in Figure 2.

Certainly, the keycap 51 of button 5 and the translucidus of key body can be for transparent or semitransparent, the translucidus of the flange of substrate 3 and key position hole 4 thereof also can be for transparent or semitransparent, when concrete the use, the two ends of the luminous and irradiation fibre optic plate 1 of light source 8 by some optical fiber light-guidings, make flash-point 11 luminous, its light path is outwards luminous by film 7, Capsule 6, button 5, also comprise by film 7, substrate 3, keycap 51 and between the gap outwards luminous.

Embodiment 2: fibre optic plate 1 is placed in the keyboard body 2 of flat key computor-keyboard, with reference to shown in Figure 2, fibre optic plate 1 specifically be arranged at substrate 3 below, and between substrate 3 and film 7, the size in the circular cross cutting hole 18 of fibre optic plate 1 can be held Capsule 6 at least and pass through, and medial surface setting that should circle cross cutting hole 18 is burnishing surface, and promptly the end face of some optical fiber is convenient to light for the light face and is passed through, and issues permit bright or by Capsule 6; Fibre optic plate 1 adopts die cutting plate, and upper surface 10 is a light-emitting area, and promptly the upper surface at this fibre optic plate 1 is cut with some flash-points 11, and circular cross cutting hole 18 layouts on the fibre optic plate 1 and the key position hole 4 of substrate 3 are complementary, and forms by the cutting die cutting, with reference to shown in Fig. 1 D; Also the end face at fibre optic plate 1 two ends is respectively arranged with LED 88, and LED is fixed on the keyboard body 2, in the drain pan 22 as keyboard body 2; The keycap 51 of preferred button 5 and the translucidus of substrate 3 are transparent or semitransparent.When concrete the use, the two ends of the luminous and irradiation fibre optic plate 1 of LED 88 by some optical fiber 9 leaded lights, make flash-point 11 luminous, and its light path is outwards luminous by the gap between film 7, substrate 3, keycap 51 and the keycap 51.With reference to shown in Figure 3.

So-called flat key computor-keyboard, 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 the four pin formulas that fixing molding is connected or the key body of other form with keycap; So-called metal supporting plate is for generally being built in the flat key keyboard, realizes having and supports and prevent metallic plates such as steel plate that keyboard is out of shape or iron plate; Notions such as so-called molding, cross cutting are carries out the mode that operations such as injection moulding, cutting are carried out product processing by mould; So-called light path is promptly swept by radium-shine ink lay with the character stroke on the keycap by the character of keycap, and it is transparent or semitransparent that the translucidus of character promptly is; No matter related key body in the technical solution of the utility model is disjunctor key body or hinge type key body, and its middle part generally is a hollow shape, influence to light path is little, and the translucidus of material is general consistent with keycap, thereby, the light path of the key body of button is not carried out too much elaboration.

Claims

1, a kind of light guidance board type illuminating keyboard, the keyboard power that comprises keyboard body and connection thereof, this keyboard body comprises substrate and top some key position holes thereof, and correspondence is the movable up and down plurality of keys that cooperates with described key position hole, also comprise with described button and be the Capsule of resilient engagement and following film thereof, it is characterized in that, the keyboard body is provided with the light path of its light at least can be by the fibre optic plate of button, also be provided with and the corresponding light source of the end face of this fibre optic plate, and described light source is connected with described keyboard power.

2, light guidance board type illuminating keyboard according to claim 1 is characterized in that, described fibre optic plate is some entire body optical fiber or the tiling of interspersing optical fiber combination, and its plate face is the milky white adhesive adhesion, and is cut with some flash-points on the surface of this fibre optic plate.

3, light guidance board type illuminating keyboard according to claim 1, it is characterized in that, described fibre optic plate is the die cutting plate that places upper surface of base plate, and is cut with the cross cutting hole that is complementary with described key position hole on its plate face, and the translucidus of the keycap of described button is transparent or semitransparent.

4, light guidance board type illuminating keyboard according to claim 1, it is characterized in that, described fibre optic plate is the die cutting plate that places base lower surface, and on its plate face, be cut with the cross cutting hole that is complementary with described key position hole, and described cross cutting hole holds described Capsule at least to be passed through, and the translucidus of the keycap of described substrate and described button is transparent or semitransparent.

5, light guidance board type illuminating keyboard according to claim 1 is characterized in that, described fibre optic plate is the stripe board that places between the every adjacent two row's key position holes of described upper surface of base plate, and the translucidus of the keycap of described button is transparent or semitransparent.

6, light guidance board type illuminating keyboard according to claim 1, it is characterized in that, described fibre optic plate is the stripe board that places between the every adjacent two row's key position holes of described base lower surface, and the translucidus of the keycap of described substrate and described button is transparent or semitransparent.

7, light guidance board type illuminating keyboard according to claim 1, it is characterized in that, described fibre optic plate is to place under the described film and between the base plate of described keyboard body or the continuous slab between the metal supporting plate, the translucidus of the keycap part of described at least button is transparent or semitransparent, stroke comprising described keycap is transparent or semitransparent, and the stroke of this keycap is positioned at the centre of its keycap.

8, light guidance board type illuminating keyboard according to claim 1, it is characterized in that, described fibre optic plate is the continuous slab that places under the described keyboard in-vivo metal supporting plate, and between the base plate of described metal supporting plate and described keyboard body, and the loophole that the keyboard layout on setting and described substrate on the described metal supporting plate is complementary, and the translucidus of the keycap part of described at least button is transparent or semitransparent, is transparent or semitransparent comprising the stroke of described keycap.

9, light guidance board type illuminating keyboard according to claim 1, it is characterized in that described light source is LED, comprise the combination of monochromatic LED, seven color LED and some monochromatic LEDs, and be relative, and be built in the keyboard body or place on the end face of described fibre optic plate with the end face of described optical fiber.