CN2669262Y

CN2669262Y - Luminous press-button

Info

Publication number: CN2669262Y
Application number: CNU200320131905XU
Authority: CN
Inventors: 许建士; 廖炳谦
Original assignee: Darfon Electronics Suzhou Co Ltd
Current assignee: Darfon Electronics Suzhou Co Ltd; Darfon Electronics Corp
Priority date: 2003-12-30
Filing date: 2003-12-30
Publication date: 2005-01-05
Anticipated expiration: 2013-12-30

Abstract

Disclosed is a light-emitting key, comprising a bottom board, a key cap and a light-emitting component. An aperture is arranged on the bottom board. The key cap is arranged above the bottom board in the form of up-and-down movement relative to the bottom board. The light-emitting component is arranged in the aperture, and light is provided below the key cap by the light-emitting component. The light-emitting effect of the key is improved by the constitution of the utility model.

Description

Luminous button

Technical field

The utility model relates to a kind of luminous button structure, particularly relates to a kind of luminous button structure that not only can improve the button illumination effect and can take into account thickness requirement.

Background technology

After mobile computer promptly was widely used, its function was also maked rapid progress, because of computing machine might use under various environment, for example in the occasion of insufficient light; For in response to the demand, have then and can be suggested by luminous voluntarily keyboard.

Fig. 1 is for showing the press-key structure cut-open view of an existing keyboard.Wherein, press-key structure 10 is made of a keycap 101, a bindiny mechanism 102, a circuit board 104, a switch module 105 and a base plate 106.When the user pushes keycap 101, the switch module 105 of circuit board 104 is conducted, but so input characters or symbol.In the occasion of insufficient light, when for example having a meeting, can dim light usually, this moment, the user can not see the symbol on Chu's button, and the keyboard that does not therefore have light source is very inconvenient in the use.

Fig. 2 a and Fig. 2 b show the vertical view and the cut-open view of another existing press-key structure respectively.This kind press-key structure 20 is with a light source 200, a light emitting diode (LED) for example, be placed on the top of circuit board 204, make light by keycap 201 side-lowers up according to, and be not by under, its reason be keycap 201 under be provided with bindiny mechanism 202 and wait other assembly, the limited location of light source 200 is in other button assembly structure, make light source 200 can only be placed on below, keycap 201 edges, therefore it is unsatisfactory to place light source 200 on circuit board 204, more because the irradiate light malposition, and make the illuminating effect of button not good.

Another shortcoming is the light source 200 more spaces of needs and highly puts, as be placed on the circuit board 204, whole keyboard thickness is increased, therefore still need a kind of illumination effect that can not only make better now, and the press-key structure that can make the thickness of keyboard need not change even make its thickness to reduce.

The utility model content

In view of this, the purpose of this utility model is to provide a kind of luminous button structure in order to address the above problem, and it not only can improve illumination effect, also can take into account the requirement of thickness simultaneously.

In the utility model, a kind of luminous button structure is provided, comprise a base plate, a keycap and a luminescence component.Base plate has a hole.Keycap is being arranged at the base plate top with respect to the base plate mode of moving up and down.Luminescence component is arranged in the hole, can provide light from the keycap below by luminescence component.

Again, also comprise a bindiny mechanism, connect keycap and base plate, make keycap relatively base plate move up and down.

Again, wherein luminescence component is a light emitting diode.

In a preferred embodiment, wherein keycap has a photic zone, and photic zone can limit a symbol.

Again, symbol is a literal or numeral.

In a preferred embodiment, wherein also comprise a first circuit board, luminescence component is electrically connected on first circuit board.

In another preferred embodiment, wherein first circuit board is arranged on the base plate top.

Again, wherein first circuit board is made with transparent material.

Again, wherein first circuit board is made with transparent materials, and wherein first circuit board has a perforation, make light source light can via the perforation by first circuit board to keycap.

Again, first circuit board also comprises a switch module, can the conducting by pushing of keycap.

Again, wherein first circuit board also comprises a depressed part, be arranged in the hole, and luminescence component is contained in the depressed part.

In another preferred embodiment, also comprise a second circuit board, have a switch module, be arranged on the first circuit board, switch module is conducting by pushing of keycap.

Again, wherein second circuit board is made with transparent material.

Again, wherein second circuit board is made with transparent materials, and wherein second circuit board has a perforation, make light source light can via the perforation by second circuit board to keycap.

In a preferred embodiment, wherein first circuit board is arranged on floor below.

Again, also comprise a second circuit board, have a switch module, be arranged on the base plate, switch module is conducting by pushing of keycap.

Again, wherein second circuit board is made with transparent material.

Again, wherein this second circuit board is made with transparent materials, and wherein second circuit board has a perforation, make light source light can via the perforation by second circuit board to keycap.

Description of drawings

Fig. 1 is the press-key structure cut-open view of an existing keyboard;

Fig. 2 a is the press-key structure vertical view of an existing keyboard;

Fig. 2 b is the press-key structure cut-open view of an existing keyboard;

Fig. 3 is a luminous button structure decomposing schematic representation of the present utility model;

Fig. 4 a is the luminous button structure synoptic diagram of first embodiment of the present utility model;

Fig. 4 b is the luminous button structure partial enlarged drawing of the variation example of the utility model first embodiment;

Fig. 5 a is the luminous button structure diagrammatic cross-section of second embodiment of the present utility model;

Fig. 5 b is the luminous button structure partial enlarged drawing that first of second embodiment of the present utility model changes example;

Fig. 5 c is the depressed part partial enlarged drawing that second of second embodiment of the present utility model changes the first circuit board of example;

Fig. 5 d is the perforation partial enlarged drawing that the 3rd of second embodiment of the present utility model changes example;

Fig. 6 a is the luminous button structure diagrammatic cross-section of the 3rd embodiment of the present utility model;

Fig. 6 b is the partial enlarged drawing of the 3rd embodiment of the present utility model;

Fig. 6 c is the perforation diagrammatic cross-section of luminous button structure of the variation example of the 3rd embodiment of the present utility model;

Fig. 6 d is the perforation partial enlarged drawing of the variation example of the 3rd embodiment of the present utility model.

Embodiment

Below, with regard to the embodiment of description of drawings illuminated keyboard of the present utility model.

Luminous button structure exploded view of the present utility model as shown in Figure 3, press-key structure 30 comprises a keycap 301, a base plate 306, at least one circuit board 303, a bindiny mechanism 302 and a luminescence component 300.Base plate 306 has a hole 307.Keycap 301 is with can be relatively above base plate 306 modes of moving up and down are arranged on base plate 306.Keycap can have a photic zone 320, and photic zone 320 can limit a symbol, and symbol is a literal or numeral.Bindiny mechanism 302 connects keycap 301 and base plate 306.Bindiny mechanism 302 comprises a scissor structure 308 and an elastic parts 309, one end of scissor structure 308 is connected on the base plate 306, the other end is connected the bottom side of keycap 301, so that keycap 301 relatively base plate 306 move up and down, elastic parts 309 is arranged between first circuit board 303 and the keycap 301, with to upper support keycap 301.Luminescence component 300 is arranged in the hole 307, and luminescence component 300 is electrically connected on circuit board 303, can provide light from keycap 301 belows by luminescence component 300; It should be noted that luminous button structure of the present utility model is arranged in the keyboard, actual keyboard also is provided with other assemblies such as upper casing, drain pan, because other assembly and existing keyboard type are seemingly, and for simplicity of illustration, does not draw at this.Below describe first embodiment of the present utility model in detail.

First embodiment

Fig. 4 a shows the luminous button structure synoptic diagram of first embodiment of the present utility model, and press-key structure of the present utility model has a base plate 306, a first circuit board 303, a keycap 301 and a bindiny mechanism 302.With reference to figure 4a, in this embodiment, first circuit board 303 is arranged on the base plate 306, the first circuit board 303 that luminescence component 300 is electrically connected on keyboard makes button shinny so that light to be provided, first circuit board 303 also comprises a switch module 305, can be by the pushing and conducting of keycap 301, when keycap 301 stressed pressing down, elastic parts 309 is subjected to the switch module 305 of keycap 301 effects distortion downwards and conflict circuit board, produces corresponding signal.Except passing on symbol or letter signal, it is luminous that more but turn-on power makes luminescence component 300, base plate 306 is provided with a hole 307 below keycap 301, and luminescence component 300 is arranged in the hole 307, can provide light under keycap 301 by luminescence component 300.Therefore, make illuminating effect better.In addition, first circuit board 303 is optionally made with a transparent material such as PE (polyester) or transparent materials.

Again, luminescence component 300 can be LED (light emitting diode).

In addition, above-mentioned first embodiment can have another kind of alternate embodiment, and Fig. 4 b shows its partial enlarged drawing.When first circuit board 303 is made with transparent materials, one perforation 310 then can be set on first circuit board 303 in addition, can make the light of light source to keycap 301, make the illuminating effect of button better by first circuit board 303 thus via perforation 310.Again, consider that based on thickness the thickness of luminescence component 300 can not given prominence to circuit board, and be arranged in the hole 307 to reduce thickness.

Second embodiment

Fig. 5 a shows the luminous button structure diagrammatic cross-section of second embodiment of the present utility model.Luminous button structure has a base plate 306, a first circuit board 303, a second circuit board 304, a keycap 301, a switch module 305 and a bindiny mechanism 302.In this embodiment, be that with the first embodiment difference second embodiment has the double layer circuit plate, first circuit board 303 is arranged on the base plate 306, first circuit board in order to power supply to luminescence component 300.And second circuit board 304 is arranged on the first circuit board 303, and the structure of second circuit board 304 is identical with above-mentioned available circuit plate 104, wherein also comprises a switch module 305, and its function is identical with first embodiment.

Fig. 5 b shows that first of second embodiment changes the luminous button structure partial enlarged drawing of example.Wherein each assembly as mentioned above, label is also identical, first, second circuit board 303,304 is all made with a transparent material such as PE (polyester), therefore do not need perforation on the circuit board, just can make light see through first, second circuit board 303,304 to keycap 301, first circuit board 303 does not have depressed part, so luminescence component 300 is to be electrically connected on from lower to upper on the first circuit board 303.

In addition, above-mentioned second embodiment can have second kind of alternate embodiment, and Fig. 5 c shows that second of second embodiment changes depressed part 311 partial enlarged drawings of the first circuit board 303 of example.As shown in the figure, first circuit board 303 also comprises a depressed part 311, be arranged in the hole 307, and luminescence component 300 is contained in the depressed part 311, and luminescence component 300 provides power supply by depressed part 311, and the remaining component structure is all identical, therefore in this description will be omitted.

Above-mentioned second embodiment has the third alternate embodiment, and Fig. 5 d shows that the 3rd of second embodiment changes perforation 310 partial enlarged drawings of example.When second circuit board 304 was made with transparent materials, second circuit board 304 had a perforation 310 in addition, can make the light of light source make the illumination effect of button better by second circuit board 304 to keycap 301 via perforation 310 thus.

The 3rd embodiment

Fig. 6 a shows the luminous button structure diagrammatic cross-section of the 3rd embodiment.Luminous button structure has a base plate 306, a first circuit board 303, a second circuit board 304, a keycap 301, a switch module 305 and a bindiny mechanism 302.In this embodiment, be that with the second embodiment difference position of double layer circuit plate of the 3rd embodiment is different, shown in Fig. 6 b, first circuit board 303 is arranged at the below of base plate 306, first circuit board 303 from the bottom up power supply to luminescence component 300.And second circuit board 304 is arranged on the base plate 306, and the structure of second circuit board 304 is identical with above-mentioned available circuit plate 104, wherein also comprises a switch module 305, and its function is also identical with first embodiment.Second circuit board 304 is all made with a transparent material such as PE (polyester), so does not need perforation on the circuit board, just can make light see through second circuit board 304 to keycap 301.

Again, for in response to other demand, another kind of alternate embodiment can be arranged, shown in Fig. 6 c and Fig. 6 d, when second circuit board 304 is made with transparent materials, second circuit board 304 has a perforation 310 in addition, can make the light of light source make the illumination effect of button better by second circuit board 304 to keycap 301 via perforation 310 thus.In addition, and for example shown in Fig. 6 c, luminescence component 300 also can further utilize perforation 310 thickness of second circuit board 304, stretches to the upper edge.

By formation of the present utility model, can obtain following advantage:

1. because luminescence component is arranged in the hole of base plate, and be arranged on keycap below, not need to One luminescence component is set on the circuit board of complex structure and insufficient space, so the position of light source can not be subjected to Be limited to other modular construction, manufacture craft is simplified, can improve illumination effect simultaneously; And

2. be located in the hole of base plate when luminescence component, then can not disturb for example junctor of other press-key structure Structure not only can be placed on the keycap below, makes illuminating effect better, and can reduce the thickness of circuit board.

Claims

1. a luminous button is characterized in that, comprising: one has the base plate of a hole; One keycap is being arranged on this base plate top with respect to this base plate mode of moving up and down; And a luminescence component, be arranged in this hole, can provide light from this keycap below by this luminescence component.

2. luminous button as claimed in claim 1 is characterized in that, also is provided with a bindiny mechanism, connects this keycap and this base plate, and this keycap can be moved up and down with respect to this base plate.

3. luminous button as claimed in claim 1 is characterized in that, this luminescence component is a light emitting diode.

4. luminous button as claimed in claim 1 is characterized in that, this keycap has a photic zone that can limit a symbol.

5. luminous button as claimed in claim 4 is characterized in that, this symbol is a literal or numeral.

6. luminous button as claimed in claim 1 is characterized in that, also is provided with a first circuit board, and this luminescence component is electrically connected on this first circuit board.

7. luminous button as claimed in claim 6 is characterized in that, this first circuit board is arranged at this base plate top.

8. luminous button as claimed in claim 7 is characterized in that, this first circuit board is a transparent material.

9. luminous button as claimed in claim 7 is characterized in that, this first circuit board is a transparent materials, and wherein this first circuit board has a perforation, makes the light of this light source pass through this first circuit board to this keycap via this perforation.

10. luminous button as claimed in claim 7 is characterized in that, this first circuit board also be provided with one can conducting by pushing of this keycap switch module.

11. luminous button as claimed in claim 7 is characterized in that, this first circuit board also is provided with a depressed part, be arranged in this hole, and this luminescence component is contained in this depressed part.

12. luminous button as claimed in claim 11 is characterized in that, also is provided with a second circuit board, it has a switch module, is arranged on this first circuit board the conducting by pushing of this keycap of this switch module.

13. luminous button as claimed in claim 12 is characterized in that, this second circuit board is a transparent material.

14. luminous button as claimed in claim 12 is characterized in that, this second circuit board is a transparent materials, and wherein this second circuit board has a perforation, makes the light of this light source pass through this second circuit board to this keycap via this perforation.

15. luminous button as claimed in claim 6 is characterized in that, this first circuit board is arranged at this floor below.

16. luminous button as claimed in claim 15 is characterized in that, also is provided with a second circuit board, has a switch module, is arranged on this base plate the conducting by pushing of this keycap of this switch module.

17. luminous button as claimed in claim 16 is characterized in that, this second circuit board is a transparent material.

18. luminous button as claimed in claim 16 is characterized in that, this second circuit board is a transparent materials, and wherein this second circuit board has a perforation, makes the light of this light source pass through this second circuit board to this keycap via this perforation.