CN109887789A

CN109887789A - Luminous button and illuminated keyboard comprising the luminous button

Info

Publication number: CN109887789A
Application number: CN201910084281.6A
Authority: CN
Inventors: 许文明; 廖本辉
Original assignee: Darfon Electronics Suzhou Co Ltd; Darfon Electronics Corp
Current assignee: Darfon Electronics Suzhou Co Ltd; Darfon Electronics Corp
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-06-14

Abstract

The present invention discloses a kind of luminous button and the illuminated keyboard comprising the luminous button.Key of the invention includes light guide plate, the insulating substrate of light transmission, circuit and bottom plate.The insulating substrate of light transmission is arranged on the front of light guide plate.Circuit is formed on the upper surface of the insulating substrate of light transmission, and includes at least two make and break contacts.Bottom plate has holes.Particularly, bottom plate is set on the upper surface of the insulating substrate of light transmission, and at least two make and break contacts is caused to be placed in holes.The structure sheaf of the composition membrane switch assemblies of luminous button of the invention and the illuminated keyboard comprising the luminous button is set to the lower section of bottom plate, so the holes area ratio reduction for constituting the structure sheaf of membrane switch assemblies is a lot of.Whereby, the waterproof effect of the illuminated keyboard of invention is substantially improved.

Description

Luminous button and illuminated keyboard comprising the luminous button

Technical field

The present invention relates to a kind of luminous button and comprising the illuminated keyboard of the luminous button, and it is broken especially with regard to having The luminous button of the insulation film of the small light transmission of hole area ratio and illuminated keyboard comprising the luminous button.

Background technique

Illuminated keyboard has been input peripheral device common on the market.The illuminated keyboard of prior art includes thin film switch group Part, light guide plate, bottom plate, light source etc..The assembling of illuminated keyboard about prior art, membrane switch assemblies are all to be set to bottom plate On.

However, needing to load onto the positioning column of cooperation shell in group in the membrane switch assemblies of the illuminated keyboard of prior art The holes of the component of through-hole and the fixed elevating mechanism of cooperation is unfavorable for sending out so there are many holes quantity of membrane switch assemblies The waterproof effect of light keyboard.The range of the holes area ratio of the membrane switch assemblies of the illuminated keyboard of prior art be 40%~ 45%.The technology that the holes area ratios of illuminated keyboard its membrane switch assemblies is lowered is had not yet to see to be developed.

Summary of the invention

Therefore, the technical issues of present invention is to be solved is to provide a kind of luminous button and the hair comprising the luminous button Light keyboard.The holes area ratio of its structure sheaf for constituting membrane switch assemblies of illuminated keyboard of the invention reduces a lot of.Whereby, The waterproof effect of illuminated keyboard of the invention is substantially improved.

In order to achieve the above object, the present invention proposes a kind of luminous button, includes: light guide plate, the insulating substrate of light transmission, electricity Road, bottom plate, the thin slice of light transmission, keycap, elastic actuator, reflective layer and light shield layer.The insulating substrate setting of light transmission is led at this On the front of tabula rasa；Circuit is formed on the upper surface of the insulating substrate of the light transmission, and the circuit includes that at least two switches connect Point；Bottom plate has the first holes and multiple through-holes, and multiple through-hole is set to the light transmission around first holes, the bottom plate On the upper surface of insulating substrate, at least two make and break contacts is caused to be placed in first holes；The thin slice of light transmission has second Holes, the thin slice of the light transmission are set on the bottom plate, which is located above first holes；Keycap has transparent area Domain, and it is connected in a manner of it can move up and down the top of the bottom plate, cause the keycap relative to the bottom plate in non-pressing position It is moved between pressing position；Elastic actuator is set to the peripheral place of second holes of the thin slice of the light transmission and the elasticity causes Dynamic device includes actuation column, and at least end of the actuation column is conductive；Reflective layer is formed to cover the insulating substrate of the light transmission The upper surface, the reflective layer have the first uncovered area, which is located at first holes and multiple The lower section of through-hole, at least two make and break contacts are placed in first uncovered area；Light shield layer is formed to cover the reflective layer, should Light shield layer has the second uncovered area, which is located at the top of first uncovered area；Wherein light It injects the light guide plate and projects and pass through insulating substrate, first uncovering area of the light transmission from the front by light guide plate guiding Domain, second uncovered area, multiple through-hole and the light transmission thin slice so that irradiate the transmission region；Wherein when the keycap When being moved to the pressing position, the elastic actuator deformation cause the actuation column the end pass through second holes, this first Holes contacts at least two make and break contacts in turn and makes this at least two make and break contacts are connected each other；Wherein when the keycap is released and When being moved to the non-pressing position, which, which restores original configuration, makes the end and at least two switch of the actuation column Contact separation.

In addition, the present invention also proposes a kind of luminous button, include light guide plate, the insulating substrate of light transmission, circuit, bottom plate, thoroughly Thin slice, keycap, elastic actuator, light shield layer, the reflective layer of light.The insulating substrate of light transmission is arranged on the front of the light guide plate； Circuit is formed on the upper surface of the insulating substrate of the light transmission, and the circuit includes at least two make and break contacts；Bottom plate has the One holes and multiple through-holes, for multiple through-hole around first holes, which is set to being somebody's turn to do for the insulating substrate of the light transmission On upper surface, at least two make and break contacts is caused to be placed in first holes；The thin slice of light transmission has the second holes, the light transmission Thin slice is set on the bottom plate, which is located above first holes；Keycap has transmission region, and the keycap is with energy The mode moved up and down is connected to the top of the bottom plate, causes the keycap relative to the bottom plate in non-pressing position and pressing position It is moved between setting；Elastic actuator is set to the peripheral place of second holes of the thin slice of the light transmission and the elastic actuator includes Actuation column, at least end of the actuation column are conductive；Light shield layer is formed to cover the lower surface of the insulating substrate of the light transmission, should Light shield layer has the first uncovered area, which is located at the lower section of first holes and multiple through-hole； Reflective layer is formed to cover the light shield layer, which has the second uncovered area, second uncovered area be located at this The lower section of one uncovered area；Wherein light inject the light guide plate and projected by light guide plate guiding from the front and across this Two uncovered areas, first uncovered area, the insulating substrate of the light transmission, multiple through-hole and the thin slice of the light transmission are in turn Irradiate the transmission region；Wherein when the keycap is moved to the pressing position, elastic actuator deformation causes the actuation column The end pass through second holes, first holes so contact at least two make and break contacts and make at least two make and break contacts that This conducting；Wherein when the keycap is released and is moved to the non-pressing position, which, which restores original configuration, makes this At least two make and break contacts separate with this for the end of actuation column.

In addition, the present invention also proposes a kind of luminous button, it is characterised in that include light guide plate, the insulating substrate of light transmission, electricity Road, bottom plate, the thin slice of light transmission, keycap, elastic actuator, light shield layer and reflective layer.The insulating substrate setting of light transmission is led at this On the front of tabula rasa；Circuit is formed on the upper surface of the insulating substrate of the light transmission, and the circuit includes that at least two switches connect Point；Bottom plate has the first holes and multiple through-holes, and multiple through-hole is set to the light transmission around first holes, the bottom plate On the upper surface of insulating substrate, at least two make and break contacts is caused to be placed in first holes；The thin slice of light transmission has second Holes, the thin slice of the light transmission are set on the bottom plate, which is located above first holes；Keycap has transparent area Domain, and the keycap is connected to the top of the bottom plate in a manner of it can move up and down, cause the keycap relative to the bottom plate in not by It is moved between pressure position and pressing position；Elastic actuator is set to the peripheral place of second holes of the thin slice of the light transmission and should Elastic actuator includes actuation column, and at least end of the actuation column is conductive；Light shield layer is formed to cover the insulation of the light transmission The upper surface of substrate, the light shield layer have the first uncovered area, first uncovered area be located at first holes and The lower section of multiple through-hole, at least two make and break contacts are placed in first uncovered area；Reflective layer is formed to cover this thoroughly The lower surface of the insulating substrate of light, the reflective layer have the second uncovered area, which is not located at this first not The lower section of overlay area；Wherein light inject the light guide plate and projected by light guide plate guiding from the front and across this second not Overlay area, the insulating substrate of the light transmission, the thin slice of first uncovered area, multiple through-hole and the light transmission and then irradiation The transmission region；Wherein when the keycap is moved to the pressing position, which deforms the end for causing the actuation column End is across second holes, first holes and then contacts at least two make and break contacts and makes this at least two make and break contacts are led each other It is logical；Wherein when the keycap is released and is moved to the non-pressing position, which, which restores original configuration, makes the actuation At least two make and break contacts separate with this for the end of column.

As optional technical solution, more graphite particles or more metallic particles are coated on the end of the actuation column On.

In addition, the present invention also proposes a kind of luminous button, include light guide plate, the lower insulating substrate of light transmission, lower circuit, light transmission Insulating element, the upper insulating substrate of light transmission, upper circuit, bottom plate, the thin slice of light transmission, keycap, elastic actuator, reflective layer and Light shield layer.The lower insulating substrate of light transmission is arranged on the front of the light guide plate, and the lower insulating substrate of the light transmission has table on first Face and the first lower surface；Lower circuit is formed on first upper surface, and the lower circuit includes at least once make and break contact； The insulating element of light transmission has the first holes, and the insulating element of the light transmission is engaged on first upper surface, cause this at least one Lower switch contact is placed in first holes；The upper insulating substrate of light transmission has the second upper surface and the second lower surface；It powers on Road is formed on second lower surface, and circuit includes an at least upper switch contact on this, the upper insulating substrate of the light transmission with Second lower surface is engaged on the insulating element of the light transmission, cause an at least upper switch contact be placed in first holes and It is aligned at least once make and break contact；Bottom plate has the second holes and multiple through-holes, and multiple through-hole surround second holes, The bottom plate is set on the upper insulating substrate of the light transmission, which is located at the top of first holes；The thin slice of light transmission has There is third holes, the thin slice of the light transmission is set on the bottom plate, an at least upper switch contact and at least once make and break contact Positioned at the lower section of second holes and the third holes；Keycap has transmission region, and side of the keycap can move up and down Formula is connected to the top of the bottom plate, and the keycap is caused to move between non-pressing position and pressing position relative to the bottom plate；Bullet Property actuator be set to the light transmission thin slice the third holes peripheral place and the elastic actuator include actuation column；Reflective layer It is formed to cover second upper surface of the upper insulating substrate of the light transmission, which has the first uncovered area, this first Uncovered area is located at the lower section of second holes and multiple through-hole；Light shield layer forms the shading to cover the reflective layer Layer has the second uncovered area, which is located at the top of first uncovered area；Wherein light is injected The light guide plate and the isolation structure for projecting and passing through the lower insulating substrate of the light transmission, the light transmission from the front by light guide plate guiding Part, the upper insulating substrate of the light transmission, first uncovered area, second uncovered area, multiple through-hole and the light transmission Thin slice so that irradiate the transmission region；Wherein when the keycap is moved to the pressing position, elastic actuator deformation causes The actuation column passes through that the third holes, second holes resist and allowing the upper insulating substrate of the light transmission to deform opens this at least one Coila contact this at least once make and break contact and make an at least upper switch contact with this at least once make and break contact is led each other It is logical；Wherein when the keycap is released and is moved to the non-pressing position, which, which restores original configuration, makes the actuation Column is separated with the upper insulating substrate of the light transmission.

In addition, the present invention also proposes a kind of luminous button, include light guide plate, the lower insulating substrate of light transmission, lower circuit, light transmission Insulating element, the upper insulating substrate of light transmission, upper circuit, bottom plate, the thin slice of light transmission, keycap, elastic actuator, light shield layer and Reflective layer.The lower insulating substrate of light transmission is arranged on the front of the light guide plate, and the lower insulating substrate of the light transmission has table on first Face and the first lower surface；Lower circuit is formed on first upper surface, and the lower circuit includes at least once make and break contact； The insulating element of light transmission has the first holes, and the insulating element of the light transmission is engaged on first upper surface, cause this at least one Lower switch contact is placed in first holes；The upper insulating substrate of light transmission has the second upper surface and the second lower surface；It powers on Road is formed on second lower surface, and circuit includes an at least upper switch contact on this, the upper insulating substrate of the light transmission with Second lower surface is engaged on the insulating element of the light transmission, cause an at least upper switch contact be placed in first holes and It is aligned at least once make and break contact；Bottom plate has the second holes and multiple through-holes, and multiple through-hole surround first holes, The bottom plate is set on the upper insulating substrate of the light transmission, which is located at the top of first holes；The thin slice of light transmission has There is third holes, the thin slice of the light transmission is set on the bottom plate, an at least upper switch contact and at least once make and break contact Positioned at the lower section of second holes and the third holes；Keycap has transmission region, and side of the keycap can move up and down Formula is connected to the top of the bottom plate, and the keycap is caused to move between non-pressing position and pressing position relative to the bottom plate；Bullet Property actuator be set to the light transmission thin slice the third holes peripheral place and the elastic actuator include actuation column；Light shield layer It is formed to cover first lower surface of the lower insulating substrate of the light transmission, which has the first uncovered area, this first Uncovered area is located at the lower section of second holes and multiple through-hole；Reflective layer is formed to cover the light shield layer, this is reflective Layer has the second uncovered area, which is located at the lower section of first uncovered area；Wherein light is injected The light guide plate and by the light guide plate guiding from the front project and across second uncovered area, second uncovered area, The lower insulating substrate of the light transmission, the insulating element of the light transmission, the upper insulating substrate of the light transmission, multiple through-hole and the light transmission Thin slice irradiates the transmission region in turn；Wherein when the keycap is moved to the pressing position, elastic actuator deformation causes this Actuation column, which passes through the third holes, second holes resists and the upper insulating substrate of the light transmission is allowed to deform makes an at least upper switch Contact contact this at least once make and break contact and make an at least upper switch contact with this at least once make and break contact is connected each other； Wherein when the keycap is released and is moved to the non-pressing position, the elastic actuator restore original configuration make the actuation column with The upper insulating substrate of the light transmission separates.

In addition, the present invention also proposes a kind of luminous button, include light guide plate, the lower insulating substrate of light transmission, lower circuit, light transmission Insulating element, the upper insulating substrate of light transmission, upper circuit, bottom plate, the thin slice of light transmission, keycap, elastic actuator, light shield layer and Reflective layer.The lower insulating substrate of light transmission is arranged on the front of the light guide plate, and the lower insulating substrate of the light transmission has table on first Face and the first lower surface；Lower circuit is formed on first upper surface, and the lower circuit includes at least once make and break contact； The insulating element of light transmission has the first holes, and the insulating element of the light transmission is engaged on first upper surface, cause this at least one Lower switch contact is placed in first holes；The upper insulating substrate of light transmission has the second upper surface and the second lower surface；It powers on Road is formed on second lower surface, and circuit includes an at least upper switch contact on this, the upper insulating substrate of the light transmission with Second lower surface is engaged on the insulating element of the light transmission, cause an at least upper switch contact be placed in first holes and It is aligned at least once make and break contact；Bottom plate has the second holes and multiple through-holes, and multiple through-hole surround first holes, The bottom plate is set on the upper insulating substrate of the light transmission, which is located at the top of first holes；The thin slice of light transmission has There is third holes, the thin slice of the light transmission is set on the bottom plate, an at least upper switch contact and at least once make and break contact Positioned at the lower section of second holes and the third holes；Keycap has transmission region, and the keycap is in a manner of it can move up and down It is connected to the top of the bottom plate, the keycap is caused to move between non-pressing position and pressing position relative to the bottom plate；Elasticity Actuator is set to the peripheral place of the third holes of the thin slice of the light transmission and the elastic actuator includes actuation column；Light shield layer shape At second upper surface to cover the upper insulating substrate of the light transmission, which has the first uncovered area, this is second not Overlay area is located at the lower section of second holes and multiple through-hole；Reflective layer is formed to cover the lower insulating substrate of the light transmission First lower surface, which has the second uncovered area, which is located at first uncovering area The lower section in domain；Wherein light injects the light guide plate and is projected by light guide plate guiding from the front and pass through second uncovering area Domain, the insulating element of the light transmission, the upper insulating substrate of the light transmission, first uncovered area, is somebody's turn to do at the lower insulating substrate of the light transmission Multiple through-holes and the thin slice of the light transmission irradiate the transmission region in turn；It, should wherein when the keycap is moved to the pressing position Elastic actuator deforms the upper insulating substrate for causing the actuation column to resist across the third holes, second holes and allowing the light transmission Deformation make an at least upper switch contact contact this at least once make and break contact and make an at least upper switch contact and this at least Once make and break contact is connected each other；Wherein when the keycap is released and is moved to the non-pressing position, the elastic actuator is extensive Multiple original configuration separates the actuation column with the upper insulating substrate of the light transmission.

As optional technical solution, which further includes reflecting piece, which is set to the light guide plate The back side on, the light of the reflecting piece to reflect the directive reflecting piece.

In addition, the present invention also proposes a kind of illuminated keyboard, it include multiple above-mentioned luminous buttons and light source, light source setting The light for causing the light source to be emitted injects the light guide plate, and wherein the insulating substrate of the light transmission has holes area ratio, should The range of holes area ratio is 5%~10%.

In addition, the present invention also proposes a kind of illuminated keyboard, comprising multiple above-mentioned luminous buttons, light source setting causes this The light that light source is emitted injects the light guide plate, and wherein the upper insulating substrate of the light transmission has holes area ratio, the holes The range of area ratio is 5%~10%.

It is different from prior art, luminous button of the invention and the illuminated keyboard comprising the luminous button its constitute its film The structure sheaf of switch block is set to the lower section of its bottom plate, so the holes area of its structure sheaf for constituting its membrane switch assemblies Ratio reduces a lot of.Whereby, the waterproof effect of illuminated keyboard according to the present invention is substantially improved.

Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.

Detailed description of the invention

Fig. 1 is component, the structural member development schematic diagram of the luminous button of the first preferred embodiments according to the present invention.

Fig. 2 is luminous button in Fig. 1 along the cross-sectional view of line A-A.

Fig. 3 is the cross-sectional view of a deformation of the luminous button of the first preferred embodiments according to the present invention.

Fig. 4 is the cross-sectional view of another deformation of the luminous button of the first preferred embodiments according to the present invention.

Fig. 5 is component, the structural member development schematic diagram of the luminous button of the second preferred embodiments according to the present invention.

Fig. 6 is luminous button in Fig. 5 along the cross-sectional view of line B-B.

Fig. 7 is the cross-sectional view of a deformation of the luminous button of the second preferred embodiments according to the present invention.

Fig. 8 is the cross-sectional view of another deformation of the luminous button of the second preferred embodiments according to the present invention.

Specific embodiment

The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", " side " etc. are only references The direction of annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.

In the examples below, in various figures, same section is to be given the same reference numerals.

Fig. 1 and Fig. 2 is please referred to, the schemas such as this schematically depict shining for the first preferred embodiment according to the present invention Key 2.Fig. 1 is schematically painted the luminous button 2 of the first preferred embodiments according to the present invention with component, structural member development figure. Fig. 2 is luminous button 2 in Fig. 1 along the cross-sectional view of line A-A.

As shown in Figures 1 and 2, the luminous button 2 of the first preferred embodiments of the invention includes light guide plate 20, light transmission Insulating substrate 21, circuit 22, bottom plate 23, the thin slice 24 of light transmission, keycap 25, elastic actuator 26, reflective layer 27 and light shield layer 28。

The insulating substrate 21 of light transmission is arranged on the front 202 of light guide plate 20.Circuit 22 is formed in the insulating substrate of light transmission On 21 upper surface 212, and circuit 22 includes at least two make and break contacts 222.

In a specific embodiment, light guide plate 20 can be by acryl, silica resin (silicone), thermoplastic poly amido Made by formic acid esters (thermoplastic polyurethane, TPU) or other commercial guide-lighting high molecular materials.

Bottom plate 23 has the first holes 232 and multiple through-holes 236.Multiple through-holes 236 of bottom plate 23 are around bottom plate 23 First holes 232.Bottom plate 23 is set on the upper surface 212 of the insulating substrate 21 of light transmission, and at least two make and break contacts 222 is caused to set In in the first holes 232.

The thin slice 24 of light transmission has the second holes 242.The thin slice 24 of light transmission is set on bottom plate 23.The thin slice 24 of light transmission Second holes 242 is located at the top of the first holes 232 of bottom plate 23.

Keycap 25 has transmission region 252, and keycap 25 is connected to the upper of bottom plate 23 in a manner of it can move up and down Side, causes keycap 25 to move between non-pressing position and pressing position relative to bottom plate 23.

As shown in Figures 1 and 2, the luminous button 2 of the first preferred embodiments of the invention also includes elevating mechanism 29, It is set between bottom plate 23 and keycap 25.Elevating mechanism 29 limits keycap 25 and moves between non-pressing position and pressing position.

Elevating mechanism 29 can be the known elevating mechanisms such as scissor support device, butterfly support device.Shown in Fig. 1 The scissors kenel elevating mechanism 29 that is made of interior arm component 292 with outer arm component 294 of elevating mechanism 29.Interior support arm Component 292 is rotatably connected to lower surface 254 and the bottom plate 23 of keycap 25 respectively.The outer difference of arm component 294 is rotationally It is connected to lower surface 254 and the bottom plate 23 of keycap 25.For example, as shown in Figure 1, two pairs of receptacle portions 256 and 25 one of keycap at Type is on lower surface 254.Conduit 234 is received for two pairs to be integrally formed on bottom plate 23.A pair of of receptacle portion 256 receives slot with a pair Road 234 is to connect interior arm component 292.Another pair receptacle portion 256 receives conduit 234 to connect outer support arm with another pair Component 294.Four holes 246 that the thin slice 24 of light transmission also there is two pairs of cooperation to receive the assembling of conduit 234.

Elastic actuator 26 is set at the periphery of the second holes 242 of the thin slice 24 of light transmission, and elastic actuator 26 Include actuation column 264.At least its end 2642 of actuation column 264 is conductive.Elastic actuator 26 is coupled to the following table of keycap 25 Face 254.For example, pillar 258 is formed on lower surface 254 as shown in Figure 1, keycap 25 also has pillar 258.Pillar 258 is embedded in The groove 2624 being formed at the top 2622 of the dome body 262 of elastic actuator 26.

As shown in Fig. 2, its actuation column 264 of elastic actuator 26 at least its end 2642 is conductive.In a specific implementation In example, more graphite particles or more metallic particles are coated on the end 2642 of actuation column 264.

Reflective layer 27 is formed to cover the upper surface 212 of the insulating substrate 21 of light transmission.Reflective layer 27 has first not cover Region 272.First uncovered area 272 of reflective layer 27 is located under the first holes 232 and multiple through-holes 236 of bottom plate 23 Side.At least two make and break contacts 222 are placed in the first uncovered area 272 of reflective layer 27.Light shield layer 28 forms reflective to cover Layer 27.Light shield layer 28 has the second uncovered area 282.Second uncovered area 282 of light shield layer 28 is located at reflective layer 27 The top of first uncovered area 272.

Light injects light guide plate 20 and is projected by the guiding of light guide plate 20 from its front 202 and pass through the insulating substrate of light transmission 21, the first uncovered area 272 of reflective layer 27, the second uncovered area 282 of light shield layer 28, bottom plate 23 multiple through-holes 236 and light transmission thin slice 24 so that irradiate keycap 25 transmission region 252.

When keycap 25 is moved to pressing position, the deformation of elastic actuator 26 causes the end 2642 of actuation column 264 to pass through Second holes of the thin slice 24 of light transmission, the first holes 232 of bottom plate 23 contact at least two make and break contacts 222 and make at least in turn Two make and break contacts 222 are connected each other.When keycap 25 is released and is moved to non-pressing position, elastic actuator 26 restores original Shape separates the end 2642 of actuation column 264 at least two make and break contacts 222.

As shown in Fig. 2, the luminous button 2 of the first preferred embodiment of the invention also includes catoptric arrangement 31, reflection Structure 31 is set on the back side 204 of light guide plate 20.Catoptric arrangement 31 is guide-lighting the light of directive catoptric arrangement 31 to be oriented to The front 202 of plate 20, and then projected from the front 204 of light guide plate 20.

Referring to Fig. 3, Fig. 3 schematically depicts the hair of the first preferred embodiment according to the present invention with cross section view formula One deformation of light key 2.The definition of its hatching of section shown in Fig. 3 is the same as the line A-A in Fig. 1.

As shown in figure 3, the light shield layer 28 of the luminous button 2 of the first preferred embodiments of the invention is formed to cover light transmission Insulating substrate 21 lower surface 214.Light shield layer 28 has third uncovered area 284.The third uncovering area of light shield layer 28 Domain 284 is located at the first holes 232 and the lower section of multiple through-holes 236 of bottom plate 23.According to the present invention first is preferably specific real The reflective layer 27 of the luminous button 2 of example is formed to cover light shield layer 28.Reflective layer 27 has the 4th uncovered area 274.It is reflective 4th uncovered area 274 of layer 27 is located at the lower section of the third uncovered area 284 of light shield layer 28.Have and Fig. 2 phase in Fig. 3 With the component of number mark, there are same or similar structure and function, do not repeat herein.

Light injects light guide plate 20 and projects and pass through the 4th of reflective layer 27 from its front 202 by the guiding of light guide plate 20 Uncovered area 274, the third uncovered area 284 of light shield layer 28, the insulating substrate 21 of light transmission, bottom plate 23 multiple through-holes 236 and light transmission thin slice 24 so that irradiate keycap 25 transmission region 252.When keycap 25 is moved to pressing position, elasticity Actuator 26 deform cause the end 2642 of actuation column 264 pass through the second holes 242 of thin slice 24 of light transmission, bottom plate 23 first Holes 232 contacts at least two make and break contacts 222 in turn and at least two make and break contacts 222 is connected each other.When keycap 25 is released And when being moved to non-pressing position, elastic actuator 26, which restores original configuration, opens the end 2642 of actuation column 264 at least two Coila 222 separates.

Referring to Fig. 4, Fig. 4 schematically depicts the hair of the first preferred embodiment according to the present invention with cross section view formula Another deformation of light key 2.The definition of its hatching of section shown in Fig. 4 is the same as the line A-A in Fig. 1.

As shown in figure 4, the light shield layer 28 of the luminous button 2 of the first preferred embodiments of the invention is formed to cover light transmission Insulating substrate 21 upper surface 212.Light shield layer 28 has the 5th uncovered area 286.5th uncovering area of light shield layer 28 Domain 286 is located at the first holes 232 and the lower section of multiple through-holes 236 of bottom plate 23.At least two make and break contacts 222 are placed in light shield layer In 28 the 5th uncovered area 286.The formation of reflective layer 27 of the luminous button 2 of first preferred embodiments according to the present invention To cover the lower surface 214 of the insulating substrate 21 of light transmission.Reflective layer 27 has the 6th uncovered area 276.The of reflective layer 27 Six uncovered areas 276 are located at the lower section of the 5th uncovered area 286 of light shield layer 28.There is number mark identical as Fig. 2 in Fig. 4 The component of note has same or similar structure and function, does not repeat herein.

Light injects light guide plate 20 and projects and pass through the 6th of reflective layer 27 from its front 202 by the guiding of light guide plate 20 Uncovered area 276, the insulating substrate 21 of light transmission, the 5th uncovered area 286 of light shield layer 28, bottom plate 23 multiple through-holes 236 and light transmission thin slice 24 so that irradiate keycap 25 transmission region 252.When keycap 25 is moved to pressing position, elasticity Actuator 26 deform cause the end 2642 of actuation column 264 pass through the second holes 242 of thin slice 24 of light transmission, bottom plate 23 first Holes 232 contacts at least two make and break contacts 222 in turn and at least two make and break contacts 222 is connected each other.When keycap 25 is released And when being moved to non-pressing position, elastic actuator 26, which restores original configuration, opens the end 2642 of actuation column 264 at least two Coila 222 separates.

Same shown as shown in Figure 2, Figure 3 and Figure 4, further, the luminous button 2 of the first preferred embodiments of the invention also wraps Containing reflecting piece 30.Reflecting piece 30 is set on the back side 204 of light guide plate 20.Light of the reflecting piece 30 to reflect directive reflecting piece 30 Line.

Fig. 5 and Fig. 6 is please referred to, the schemas such as this schematically depict shining for the second preferred embodiment according to the present invention Key 5.Fig. 5 with component, structural member development figure schematically be painted using the second preferred embodiments according to the present invention shine by Key 5.Cross-sectional view of the luminous button 5 along line B-B in Fig. 6 Fig. 5.

As shown in figure 5, the luminous button 5 of the second preferred embodiments of the invention include light guide plate 50, light transmission it is lower absolutely Edge substrate 51, lower circuit 52, the insulating element 53 of light transmission, the upper insulating substrate 54 of light transmission, upper circuit 55, bottom plate 56, light transmission Thin slice 57, keycap 58, elastic actuator 59, reflective layer 60 and light shield layer 61.

The lower insulating substrate 51 of light transmission is arranged on the front 502 of light guide plate 50.The lower insulating substrate 51 of light transmission has the One upper surface 512 and the first lower surface 514.Lower circuit 52 is formed in the first upper surface 512 of the lower insulating substrate 51 of light transmission On, and lower circuit 52 includes at least once make and break contact 522.The insulating element 53 of light transmission has the first holes 532.Light transmission Insulating element 53 is engaged on the first upper surface 512 of the lower insulating substrate 51 of light transmission, causes at least that once make and break contact 522 is set In in the first holes 532 of the insulating element 53 of light transmission.The upper insulating substrate 54 of light transmission has the second upper surface 542 and second Lower surface 544.Upper circuit 55 is formed on the second lower surface 544 of the upper insulating substrate 54 of light transmission, and upper circuit 55 includes An at least upper switch contact 552.The upper insulating substrate 54 of light transmission is engaged in the insulating element 53 of light transmission with the second lower surface 544 On, cause an at least upper switch contact 552 to be placed in the first holes 532 of the insulating element 53 of light transmission and be aligned or at least and opens Coila 522.

Bottom plate 56 has the second holes 562 and multiple through-holes 566.Multiple through-holes 566 of bottom plate 56 are around bottom plate 56 Second holes 562.Bottom plate 56 is set on the upper insulating substrate 54 of light transmission.Second holes 562 of bottom plate 56 be located at light transmission every The top of the first holes 532 from component 53.

The thin slice 57 of light transmission has third holes 572.The thin slice 57 of light transmission is set on bottom plate 56.At least a upper switch connects Point 552 at least once make and break contact 522 is located at the third holes 572 of the second holes 562 of bottom plate 56 and the thin slice 57 of light transmission Lower section.

Keycap 58 has transmission region 582, and the top of bottom plate 56 is connected in a manner of it can move up and down, and causes Keycap 58 moves between non-pressing position and pressing position relative to bottom plate 56.

As shown in Figures 5 and 6, the luminous button 5 of the second preferred embodiments of the invention also includes elevating mechanism 62, is risen Descending mechanism 62 is set between bottom plate 56 and keycap 58.Elevating mechanism 62 limit keycap 58 in non-pressing position and pressing position it Between move.

Elevating mechanism 62 can be the known elevating mechanisms such as scissor support device, butterfly support device.Shown in Fig. 1 Elevating mechanism 62 be the scissors kenel elevating mechanism 62 being made of interior arm component 622 with outer arm component 624.Interior branch Arm member 622 is rotatably connected to lower surface 584 and the bottom plate 56 of keycap 58 respectively.Outer arm component 624 can be rotated respectively Ground is connected to lower surface 584 and the bottom plate 56 of keycap 58.For example, as shown in figure 5,58 one of two pairs of receptacle portions 586 and keycap It is molded on lower surface 584.Conduit 564 is received for two pairs to be integrally formed on bottom plate 56.A pair of of receptacle portion 586 is received with a pair Conduit 564 is to connect interior arm component 622.Another pair receptacle portion 586 receives conduit 564 to connect outer branch with another pair Arm member 624.Four holes 576 that the thin slice 57 of light transmission also there is two pairs of cooperation to receive the assembling of conduit 564.

Elastic actuator 59 is set at the periphery of the third holes 572 of the thin slice 57 of light transmission, and elastic actuator 59 Include actuation column 594.Different from the luminous button 2 of the first preferred embodiments of the invention, of the invention second is preferably specific The actuation column 594 of the elastic actuator 59 of the luminous button 5 of example is not necessary to be conductive.Elastic actuator 59 is coupled to keycap 58 Lower surface 584.For example, pillar 588 is formed on lower surface 584 as shown in figure 5, keycap 58 also has pillar 588.Pillar Groove 5924 at the top 5922 for the dome body 592 that 588 insertions are formed in elastic actuator 59.

Reflective layer 60 is formed to cover the second upper surface 542 of the upper insulating substrate 54 of light transmission.Reflective layer 60 has first Uncovered area 602.First uncovered area 602 of reflective layer 60 is located at the second holes 562 and multiple through-holes of bottom plate 56 566 lower section.Light shield layer 61 is formed to cover reflective layer 60.Light shield layer 61 has the second uncovered area 612.Light shield layer 61 Second uncovered area 612 is located at the top of the first uncovered area 602 of reflective layer 60.

Light injects light guide plate 50 and is projected by the guiding of light guide plate 50 from its front 502 and pass through the lower insulation base of light transmission Material 51, the insulating element 53 of light transmission, the upper insulating substrate 54 of light transmission, the first uncovered area 602 of reflective layer 60, light shield layer 61 The second uncovered area 612, bottom plate 56 multiple through-holes 566 and light transmission thin slice 57 so that irradiate keycap 58 transparent area Domain 582.

When keycap 58 is moved to pressing position, elastic actuator 59 deforms the thin slice for causing actuation column 594 to pass through light transmission 57 third holes 572, the second holes 562 of bottom plate 56, which resist and the upper insulating substrate 54 of light transmission allowed to deform, to be made to open at least one The contact of coila 552 at least once make and break contact 522 and make an at least upper switch contact 552 and at least once make and break contact 522 It is connected each other.When keycap 58 is released and is moved to non-pressing position, elastic actuator 59, which restores original configuration, makes actuation column 594 separate with the upper insulating substrate 54 of light transmission.

As shown in fig. 6, the luminous button 5 of the second preferred embodiment of the invention also includes catoptric arrangement 64, reflection Structure 64 is set on the back side 504 of light guide plate 50.Catoptric arrangement 64 is guide-lighting the light of directive catoptric arrangement 64 to be oriented to The front 502 of plate 50, and then projected from the front 502 of light guide plate 50.

Referring to Fig. 7, Fig. 7 schematically depicts the hair of the second preferred embodiment according to the present invention with cross section view formula One deformation of light key 5.The definition of its hatching of section shown in Fig. 6 is the same as the line B-B in Fig. 5.

As shown in fig. 7, the light shield layer 61 of the luminous button 5 of the second preferred embodiments of the invention is formed to cover light transmission Lower insulating substrate 51 the first lower surface 514.Light shield layer 61 has third uncovered area 614.The third of light shield layer 61 is not Overlay area 614 is located at the second holes 562 and the lower section of multiple through-holes 566 of bottom plate 56.Of the invention second is preferably specific The reflective layer 60 of the luminous button 5 of example is formed to cover light shield layer 61.Reflective layer 60 has the 4th uncovered area 604.Instead 4th uncovered area 604 of photosphere 60 is located at the lower section of the third uncovered area 614 of light shield layer 61.Have in Fig. 7 and Fig. 6 The component of identical number mark has same or similar structure and function, does not repeat herein.

Light injects light guide plate 50 and projects and pass through the 4th of reflective layer 60 from its front 502 by the guiding of light guide plate 50 Uncovered area 604, the third uncovered area 614 of light shield layer 61, the lower insulating substrate 51 of light transmission, light transmission insulating element 53, the light transmission of the thin slice 57 of the upper insulating substrate 54 of light transmission, multiple through-holes 566 of bottom plate 56 and light transmission and then irradiation keycap 58 Region 582.When keycap 58 is moved to pressing position, elastic actuator 59 deforms the thin slice for causing actuation column 594 to pass through light transmission 57 third holes 572, the second holes 562 of bottom plate 56, which resist and the upper insulating substrate 54 of light transmission allowed to deform, to be made to open at least one The contact of coila 552 at least once make and break contact 522 and make an at least upper switch contact 552 and at least once make and break contact 522 It is connected each other.When keycap 58 is released and is moved to non-pressing position, elastic actuator 59, which restores original configuration, makes actuation column 594 separate with the upper insulating substrate 54 of light transmission.

Referring to Fig. 8, Fig. 8 schematically depicts the hair of the second preferred embodiment according to the present invention with cross section view formula Another deformation of light key 5.The definition of its hatching of section shown in Fig. 8 is the same as the line B-B in Fig. 5.

As shown in figure 8, the light shield layer 61 of the luminous button 5 of the second preferred embodiments of the invention is formed to cover light transmission Upper insulating substrate 54 the second upper surface 542.Light shield layer 61 has the 5th uncovered area 616.The 5th of light shield layer 61 is not Overlay area 616 is located at the second holes 562 and the lower section of multiple through-holes 566 of bottom plate 56.Of the invention second is preferably specific The reflective layer 60 of the luminous button 5 of example is formed to cover the first lower surface 514 of the lower insulating substrate 51 of light transmission.Reflective layer 60 With the 6th uncovered area 606.6th uncovered area 606 of reflective layer 60 is located at the 5th uncovered area of light shield layer 61 616 lower section.With the component of number mark identical as Fig. 6 in Fig. 8, there are same or similar structure and function, herein not It repeats more.

Light injects light guide plate 50 and projects and pass through the 6th of reflective layer 60 from its front 502 by the guiding of light guide plate 50 Uncovered area 606, the lower insulating substrate 51 of light transmission, the insulating element 53 of light transmission, the upper insulating substrate 54 of light transmission, light shield layer 61 The 5th uncovered area 616, bottom plate 56 multiple through-holes 566 and light transmission thin slice 57 so that irradiate keycap 58 transparent area Domain 582.When keycap 58 is moved to pressing position, elastic actuator 59 deforms the thin slice 57 for causing actuation column 594 to pass through light transmission Third holes 572, bottom plate 56 the second holes 562 resist and allow light transmission upper insulating substrate 54 deform make an at least upper switch The contact of contact 552 at least once make and break contact 522 and make an at least upper switch contact 552 at least once make and break contact 522 that This conducting.When keycap 58 is released and is moved to non-pressing position, elastic actuator 59, which restores original configuration, makes actuation column 594 It is separated with the upper insulating substrate 54 of light transmission.

Equally as shown in Fig. 6, Fig. 7 and Fig. 8, further, the luminous button 5 of the second preferred embodiments of the invention is also wrapped Containing reflecting piece 63.Reflecting piece 63 is set on the back side 504 of light guide plate 50.Light of the reflecting piece 63 to reflect directive reflecting piece 63 Line.

Referring again to Fig. 1 to Fig. 4, the illuminated keyboard 1 of third preferred embodiment of the invention includes multiple present invention The first preferred embodiment luminous button 2 and light source 12.The light guide plate 20 of multiple luminous buttons 2 is the same leaded light Plate 20.The insulating substrate 21 of the light transmission of multiple luminous buttons 2 is the insulating substrate 21 of the same light transmission.Multiple luminous buttons 2 Bottom plate 23 is the same bottom plate 23.The thin slice 24 of the light transmission of multiple luminous buttons 2 is the thin slice 24 of the same light transmission.It is multiple to shine The reflective layer 27 of key 2 is the same reflective layer 27.The light shield layer 28 of multiple luminous buttons 2 is the same light shield layer 28.It is multiple The reflecting piece 30 of luminous button 2 is the same reflecting piece 30.The light that the setting of light source 12 causes light source 12 to be emitted is injected guide-lighting Plate 20.

It is fitted together to cooperate with the positioning column of the shell of illuminated keyboard 1 (not being illustrated in figure), the thin slice of light transmission 24, bottom plate 23, light shield layer 28, reflective layer 27, the insulating substrate 21 of light transmission, light guide plate 20 and reflecting piece 30 also have for positioning The through-hole (not being illustrated in figure) that column passes through.It is different from prior art, the light key of third preferred embodiment of the invention The holes of component of the insulating substrate 21 of light transmission in disk 1 without cooperating fixed elevating mechanism 29, so the insulating substrate of light transmission The range of 21 holes area ratio is 5%~10%.Whereby, the illuminated keyboard 1 of third preferred embodiment of the invention Waterproof effect be substantially improved.

Referring again to Fig. 5 to Fig. 8, the illuminated keyboard 4 of the 4th preferred embodiment of the invention includes multiple present invention The second preferred embodiment luminous button 5 and light source 42.The light guide plate 50 of multiple luminous buttons 5 is the same leaded light Plate 50.The lower insulating substrate 51 of the light transmission of multiple luminous buttons 5 is the lower insulating substrate 51 of the same light transmission.Multiple luminous buttons The insulating element 53 of 5 light transmission is the insulating element 53 of the same light transmission.The upper insulating substrate 54 of the light transmission of multiple luminous buttons 5 For the upper insulating substrate 54 of the same light transmission.The bottom plate 56 of multiple luminous buttons 5 is the same bottom plate 56.Multiple luminous buttons 5 Light transmission thin slice 57 be the same light transmission thin slice 57.The reflective layer 60 of multiple luminous buttons 5 is the same reflective layer 60.It is more The light shield layer 61 of a luminous button 5 is the same light shield layer 61.The reflecting piece 63 of multiple luminous buttons 5 is the same reflecting piece 63.The light that the setting of light source 42 causes light source 42 to be emitted injects light guide plate 50.

It is fitted together to cooperate with the positioning column of the shell of illuminated keyboard 4 (not being illustrated in figure), the thin slice of light transmission 57, bottom plate 56, light shield layer 61, reflective layer 60, the upper insulating substrate 54 of light transmission, the insulating element 53 of light transmission, light transmission lower insulation Substrate 51, light guide plate 50 and reflecting piece 63 also have the through-hole (not being illustrated in figure) passed through for positioning column.With prior art Difference, the upper insulating substrate 54 of the light transmission of the illuminated keyboard 4 of the 4th preferred embodiment of the invention is without cooperating fixed rise The holes of the component of descending mechanism 62, so the range of the holes area ratio of the upper insulating substrate 54 of light transmission is 5%~10%.By This, the waterproof effect of the illuminated keyboard 4 of the 4th preferred embodiment of the invention is substantially improved.

By to detailed description of the invention, be apparent that above luminous button according to the present invention and comprising this shine by The structure sheaf that membrane switch assemblies are constituted in the illuminated keyboard of key is set to the lower section of bottom plate, so constituting its membrane switch assemblies Structure sheaf holes area ratio reduce it is a lot of.The structure sheaf of light shield layer, reflective layer and composition membrane switch assemblies can carry out Integration, whereby, the waterproof effect of the illuminated keyboard comprising luminous button of the invention is substantially improved.

By the above detailed description of preferred embodiments, it is intended to more clearly describe feature and spirit of the invention, And not protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its purpose It is intended to cover various changes and has being arranged in the scope of protection of the claims of the invention to be applied of equality.Cause This, scope of protection of the claims of the invention should illustrate the most wide explanation of work according to above-mentioned, to cause it to cover institute Possible change and the arrangement of tool equality.

Claims

1. a kind of luminous button, it is characterised in that include:

Light guide plate；

The insulating substrate of light transmission, is arranged on the front of the light guide plate；

Circuit is formed on the upper surface of the insulating substrate of the light transmission, and the circuit includes at least two make and break contacts；

Bottom plate, has the first holes and multiple through-holes, and multiple through-hole is set to the light transmission around first holes, the bottom plate Insulating substrate the upper surface on, cause at least two make and break contacts to be placed in first holes；

The thin slice of light transmission has the second holes, and the thin slice of the light transmission is set on the bottom plate, which is located at this and first breaks Above hole；

Keycap has transmission region, and the top of the bottom plate is connected in a manner of it can move up and down, and causes the keycap opposite It is moved between non-pressing position and pressing position in the bottom plate；

Elastic actuator, is set to the peripheral place of second holes of the thin slice of the light transmission and the elastic actuator includes actuation Column, at least end of the actuation column are conductive；

Reflective layer is formed to cover the upper surface of the insulating substrate of the light transmission, which has the first uncovered area, should First uncovered area is located at the lower section of first holes and multiple through-hole, which is not placed in this first not In overlay area；And

Light shield layer is formed to cover the reflective layer, which has the second uncovered area, which is located at The top of first uncovered area；

Wherein light injects the light guide plate and the insulating substrate of the light transmission is projected by light guide plate guiding and passed through from the front, is somebody's turn to do First uncovered area, second uncovered area, multiple through-hole and the light transmission thin slice so that irradiate the transmission region；

Wherein when the keycap is moved to the pressing position, elastic actuator deformation causes the end of the actuation column to pass through should Second holes, first holes contact at least two make and break contacts in turn and make this at least two make and break contacts are connected each other；

Wherein when the keycap is released and is moved to the non-pressing position, which, which restores original configuration, makes the actuation At least two make and break contacts separate with this for the end of column.

2. a kind of luminous button, it is characterised in that include:

Light guide plate；

Keycap has transmission region, and the keycap is connected to the top of the bottom plate in a manner of it can move up and down, and causes the key Cap moves between non-pressing position and pressing position relative to the bottom plate；

Light shield layer is formed to cover the lower surface of the insulating substrate of the light transmission, which has the first uncovered area, this One uncovered area is located at the lower section of first holes and multiple through-hole；And

Reflective layer is formed to cover the light shield layer, which has the second uncovered area, which is located at The lower section of first uncovered area；

Wherein light injects the light guide plate and second uncovered area is projected by light guide plate guiding and passed through from the front, is somebody's turn to do First uncovered area, the insulating substrate of the light transmission, multiple through-hole and the thin slice of the light transmission irradiate the transmission region in turn；

3. a kind of luminous button, it is characterised in that include:

Light guide plate；

Light shield layer is formed to cover the upper surface of the insulating substrate of the light transmission, which has the first uncovered area, should First uncovered area is located at the lower section of first holes and multiple through-hole, which is not placed in this first not In overlay area；And

Reflective layer is formed to cover the lower surface of the insulating substrate of the light transmission, which has the second uncovered area, this Two uncovered areas are located at the lower section of first uncovered area；

Wherein light injects the light guide plate and second uncovered area is projected by light guide plate guiding and passed through from the front, is somebody's turn to do The insulating substrate of light transmission, first uncovered area, multiple through-hole and the light transmission thin slice so that irradiate the transmission region；

4. a kind of luminous button, it is characterised in that include:

Light guide plate；

The lower insulating substrate of light transmission, is arranged on the front of the light guide plate, and the lower insulating substrate of the light transmission has the first upper surface And first lower surface；

Lower circuit is formed on first upper surface, and the lower circuit includes at least once make and break contact；

The insulating element of light transmission has the first holes, and the insulating element of the light transmission is engaged on first upper surface, causes this extremely Few make and break contact once is placed in first holes；

The upper insulating substrate of light transmission has the second upper surface and the second lower surface；

Upper circuit is formed on second lower surface, and on this circuit include an at least upper switch contact, the light transmission it is upper absolutely Edge substrate is engaged on the insulating element of the light transmission with second lower surface, cause an at least upper switch contact be placed in this first In holes and it is aligned at least once make and break contact；

Bottom plate, has the second holes and multiple through-holes, and multiple through-hole is set to the light transmission around second holes, the bottom plate Upper insulating substrate on, which is located at the top of first holes；

The thin slice of light transmission has third holes, and the thin slice of the light transmission is set on the bottom plate, an at least upper switch contact with should At least once make and break contact is located at second holes and the lower section of the third holes；

Elastic actuator, is set to the peripheral place of the third holes of the thin slice of the light transmission and the elastic actuator includes actuation Column；

Reflective layer is formed to cover second upper surface of the upper insulating substrate of the light transmission, which has first not cover Region, first uncovered area are located at the lower section of second holes and multiple through-hole；And

Wherein light inject the light guide plate and by the light guide plate guiding from the front project and across the light transmission lower insulating substrate, It is the insulating element of the light transmission, the upper insulating substrate of the light transmission, first uncovered area, second uncovered area, multiple Through-hole and the thin slice of the light transmission irradiate the transmission region in turn；

Wherein when the keycap is moved to the pressing position, elastic actuator deformation causes the actuation column broken across the third Hole, second holes, which resist and the upper insulating substrate of the light transmission allowed to deform, to be made this at least a upper switch contact contacts this at least once Make and break contact and make an at least upper switch contact with this at least once make and break contact is connected each other；

Wherein when the keycap is released and is moved to the non-pressing position, which, which restores original configuration, makes the actuation Column is separated with the upper insulating substrate of the light transmission.

5. a kind of luminous button, it is characterised in that include:

Light guide plate；

Bottom plate, has the second holes and multiple through-holes, and multiple through-hole is set to the light transmission around first holes, the bottom plate Upper insulating substrate on, which is located at the top of first holes；

Light shield layer is formed to cover first lower surface of the lower insulating substrate of the light transmission, which has first not cover Region, first uncovered area are located at the lower section of second holes and multiple through-hole；And

Wherein light injects the light guide plate and second uncovered area is projected by light guide plate guiding and passed through from the front, is somebody's turn to do Second uncovered area, the lower insulating substrate of the light transmission, the insulating element of the light transmission, the light transmission upper insulating substrate, multiple Through-hole and the thin slice of the light transmission irradiate the transmission region in turn；

6. a kind of luminous button, it is characterised in that include:

Light guide plate；

The thin slice of light transmission has third holes, and the thin slice of the light transmission is set on the bottom plate, an at least upper switch contact with should At least once make and break contact is located at the lower section of second holes and the third holes；

Light shield layer is formed to cover second upper surface of the upper insulating substrate of the light transmission, which has first not cover Region, second uncovered area are located at the lower section of second holes and multiple through-hole；And

Reflective layer is formed to cover first lower surface of the lower insulating substrate of the light transmission, which has second not cover Region, second uncovered area are located at the lower section of first uncovered area；

Wherein light injects the light guide plate and second uncovered area is projected by light guide plate guiding and passed through from the front, is somebody's turn to do It is the lower insulating substrate of light transmission, the insulating element of the light transmission, the upper insulating substrate of the light transmission, first uncovered area, multiple Through-hole and the thin slice of the light transmission irradiate the transmission region in turn；

7. such as luminous button described in any one of claims 1 to 6, it is characterised in that: the luminous button further includes instead Mating plate, the reflecting piece are set on the back side of the light guide plate, the light of the reflecting piece to reflect the directive reflecting piece.

8. luminous button as claimed any one in claims 1 to 3, it is characterised in that: more graphite particles or more metals Particle is coated on the end of the actuation column.

9. a kind of illuminated keyboard includes multiple luminous buttons as claimed any one in claims 1 to 3 and light source, the light The light that source setting causes the light source to be emitted injects the light guide plate, and wherein the insulating substrate of the light transmission has holes area ratio Example, the range of the holes area ratio are 5%~10%.

10. a kind of illuminated keyboard, comprising multiple luminous buttons as described in any one of claim 4 to 6, light source setting is caused The light for emitting the light source injects the light guide plate, and wherein the upper insulating substrate of the light transmission has holes area ratio, should The range of holes area ratio is 5%~10%.