CN208142069U - Luminous button structure - Google Patents
Luminous button structure Download PDFInfo
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- CN208142069U CN208142069U CN201820092912.XU CN201820092912U CN208142069U CN 208142069 U CN208142069 U CN 208142069U CN 201820092912 U CN201820092912 U CN 201820092912U CN 208142069 U CN208142069 U CN 208142069U
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- led
- circuit board
- film circuit
- button structure
- luminous button
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Abstract
The utility model discloses a kind of luminous button structure, this luminous button structure includes a bottom plate, a keycap, a first film circuit board and a light-emitting diode (LED) module, and keycap configures above bottom plate；The first film circuit board is arranged between bottom plate and keycap；Light-emitting diode (LED) module is arranged between keycap and the first film circuit board, and light-emitting diode (LED) module includes that one second film circuit board and one or plural are micro-led, and the second film circuit board is overlapped on the first film circuit board；It is micro-led to be mounted on the second film circuit board, micro-led corresponding keycap configuration.Thereby, it can omit known light guide plate, luminous button structure is made to have the advantages that volume is frivolous.
Description
Technical field
This creation relates to a kind of press-key structure, and in particular to a kind of luminous button structure.
Background technique
The devices such as computer keyboard, mobile phone, calculator and control panel are usually mounted with luminous button, inside luminous button
With light emitting source, light emitting source is to illuminate keycap, in this way, which user can be clear in the environment of low light source or gauge without light source
Chu recognizes the character being formed on keycap, reduces the probability of mistake input.
In addition, above-mentioned light emitting source is made of light guide plate and light emitting diode, light guide plate is mounted below keycap, is shone
The side of light guide plate is arranged in diode, and the light that light emitting diode generates can pass through light guide plate and be directed at keycap.However,
Although light guide plate can efficiently and uniformly guide light, because light guide plate has certain thickness, lead to the thickness of luminous button
Degree can not reduce, and be unable to reach light and short requirement.
In view of this, the present inventor is directed to the above-mentioned prior art then, spy concentrates on studies and cooperates the utilization of scientific principle, solves as possible
Certainly deficiency present in the above problem becomes the target of the present inventor's improvement.
Summary of the invention
The utility model to solve the above-mentioned problems there is always deficiency, technical solution used is：A kind of shine is provided
Press-key structure directly can be mounted on keycap and the first film for micro-led using micro-led small in size
Between circuit board, to omit the component of known light guide plate, luminous button structure is made to have the advantages that volume is frivolous.
The utility model provides a kind of luminous button structure, including：One bottom plate；One keycap, configuration are square on which floor plate；One
The first film circuit board is arranged between the bottom plate and the keycap；And a light-emitting diode (LED) module, setting the keycap with should
Between the first film circuit board, which includes：One second film circuit board, it is overlapped in the first film circuit
On plate；And at least one is micro-led, is mounted on second film circuit board, which should
Keycap configuration.
Preferably, it is described it is micro-led include a LED crystal particle and a clad, the light emitting diode
Crystal grain is arranged and is electrically connected at second film circuit board, the clad layer-forming on second film circuit board and completely packet
Cover the LED crystal particle.
Preferably, the clad includes a crystal grain protective layer and a phosphor powder layer, the crystal grain protective layer be formed in this
Coat the LED crystal particle on two film circuit boards and completely, which is formed on the crystal grain protective layer and completely
Coat the crystal grain protective layer.
Preferably, the clad includes a crystal grain protective layer, which is formed in second film circuit board
Above and completely coat the LED crystal particle.
Preferably, the light-emitting diode (LED) module further includes a flexible thin film layer, and the flexible thin film layer stacking is at this
Coat on second film circuit board and the clad and completely the clad.
Preferably, the light-emitting diode (LED) module further includes a flexible thin film layer, which is equipped at least
One open-work, on second film circuit board, this is micro-led to be embedded at the open-work for the flexible thin film layer stacking, and
The clad is exposed to the open-work.
Preferably, the luminous button structure further includes an elastomer, which has a thin film switch,
The elastomeric support between the keycap and second film circuit board, the bottom of the elastomer be provided inwardly with a recess tank and
It is extended with a convex block from the inner wall of the recess tank, which can trigger the thin film switch.
Preferably, the micro-led configuration is in the outside of the elastomer.
Preferably, the micro-led configuration is in the inside of the recess tank, and the elastomer is by light-transmitting materials institute
It constitutes.
Preferably, the luminous button structure further includes a Holder for scissors, which connects the bottom plate and another
One end connects the keycap.
It is micro-led small in size in conclusion the beneficial effects of the utility model are, and then can directly will be micro-
Type light emitting diode is mounted between keycap and the first film circuit board, and micro-led directly by keycap and bottom plate
Between gap and appear light or it is micro-led directly appear light by the material light-permeable of keycap itself,
To omit the component of known light guide plate, reach the target of reduction luminous button structure thickness, makes luminous button structure that there is body
The frivolous advantage of product.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the utility model light-emitting diode (LED) module first embodiment.
Fig. 2 is the diagrammatic cross-section of the utility model luminous button structure.
Fig. 3 is the diagrammatic cross-section of another embodiment of the utility model luminous button structure.
Fig. 4 is the diagrammatic cross-section of the utility model light-emitting diode (LED) module second embodiment.
Fig. 5 is the diagrammatic cross-section of the utility model light-emitting diode (LED) module 3rd embodiment.
Fig. 6 is the diagrammatic cross-section of the utility model light-emitting diode (LED) module fourth embodiment.
Symbol description
10 ... luminous button structures
1 ... bottom plate
2 ... keycaps
3 ... the first film circuit boards
31 ... thin film switches
4 ... light-emitting diode (LED) modules
41 ... second film circuit boards
42 ... is micro-led
43 ... LED crystal particles
44 ... clads
441 ... crystal grain protective layers
442 ... phosphor powder layers
45,46 ... flexible thin film layers
5 ... elastomers
51 ... recess tanks
52 ... convex blocks
6 ... Holder for scissors
Specific embodiment
Detailed description and technology contents in relation to the utility model, will cooperate Detailed description of the invention as follows, however institute's attached drawing is only made
For illustrative purposes, it is not intended to limit the utility model.
It please refers to shown in Fig. 1 to Fig. 3, the utility model provides a kind of luminous button structure, this luminous button structure 10 is main
It to include a bottom plate 1, a keycap 2, a first film circuit board 3 and a light-emitting diode (LED) module 4.
As shown in Figure 2 to Figure 3, the configuration of keycap 2 is above bottom plate 1；The first film circuit board 3 is arranged in bottom plate 1 and keycap 2
Between, the first film circuit board 3 has a thin film switch 31.
As shown in Figure 1 to Figure 3, light-emitting diode (LED) module 4 is arranged between keycap 2 and the first film circuit board 3, such as Fig. 1
Shown, the first embodiment of light-emitting diode (LED) module 4 includes one second film circuit board 41 and one or the miniature light-emitting diodes of plural number
Pipe 42, the second film circuit board 41 is overlapped on the first film circuit board 3, and micro-led 42 are mounted on the second thin-film electro
On road plate 41, micro-led 42 corresponding keycaps 2 are configured.Wherein, micro-led 42 length is less than
400micron, width are less than 250micron and height is less than 150micron.
Detailed description are as follows, and micro-led 42 include a LED crystal particle 43 and a clad 44, shines
Diode crystal particle 43 is arranged and is electrically connected at the second film circuit board 41, and clad 44 is formed on the second film circuit board 41
And LED crystal particle 43 is coated completely.
In addition, clad 44 includes a crystal grain protective layer 441 and a phosphor powder layer 442, crystal grain protective layer 441 is formed in the
On two film circuit boards 41 and complete cladding LED crystal particle 43, crystal grain protective layer 441 are used to cover and protect luminous two
Pole pipe crystal grain 43, phosphor powder layer 442 are formed on crystal grain protective layer 441 and coat crystal grain protective layer 441, phosphor powder layer completely
442, for adjusting the wavelength of LED crystal particle 43, make micro-led 42 to issue the color of light such as white light.Wherein, brilliant
Grain protective layer 441 is made of resin material, and phosphor powder layer 442 is made of resin material mixed fluorescent powder.
Furthermore the first embodiment of light-emitting diode (LED) module 4 further includes a flexible thin film layer 45, flexible thin film layer 45
Stacking on the second film circuit board 41 and clad 44 and completely cladding clad 44, because the second film circuit board 41 be equipped with it is electric
Property connection LED crystal particle 43 circuit, to be electrically connected light emitting diode brilliant for covering and protecting for flexible thin film layer 45
The circuit of grain 43.Wherein, flexible thin film layer 45 is film made by the plastic materials such as PET, PC, TPU, PMMA.
As shown in Figure 2 to Figure 3, the utility model luminous button structure 10 further includes an elastomer 5, and elastomer 5 is supported on
Between keycap 2 and the second film circuit board 41, the bottom of elastomer 5 is provided inwardly with a recess tank 51 and the tank 51 that is recessed certainly
Inner wall is extended with a convex block 52, and convex block 52 can trigger thin film switch 31 and produce keying signal, and elastomer 5 is for pushing against key
Cap 2 resets upwards.
Wherein, as shown in Fig. 2, the one embodiment of the utility model luminous button structure 10, micro-led 42
The inside configured in recess tank 51, elastomer 5 are made of light-transmitting materials, and micro-led 42 utilize 5, elastomer
Gap between the material light-permeable and keycap 2 and bottom plate 1 of body and appear light or micro-led 42 utilize elastomer
5 and keycap 2 itself material light-permeable and appear light.As shown in figure 3, being another implementation of this creation luminous button structure 10
Example, micro-led 42 are configurable on the outside of elastomer 5, and micro-led 42 using between keycap 2 and bottom plate 1
Gap and appear light or micro-led 42 appear light using the material light-permeable of keycap 2 itself.
As shown in Figure 2 to Figure 3, the utility model luminous button structure 10 further includes a Holder for scissors 6, Holder for scissors 6 one
Connecting bottom board 1 and the other end is held to connect keycap 2, keycap 2 is connected to bottom plate 1 through Holder for scissors 6 and can be relative to bottom plate 1
It moves up and down.
As shown in Figure 2 to Figure 3, the use state of the luminous button structure 10 of the utility model utilizes miniature shine
Diode 42 is small in size, and then can directly be mounted on micro-led 42 between keycap 2 and the first film circuit board 3,
And micro-led 42 directly appear light or micro-led 42 by the gap between keycap 2 and bottom plate 1
Light directly is appeared by the material light-permeable of keycap 2 itself, to omit the component of known light guide plate, reaches reduction and shines
The target of 10 thickness of press-key structure makes luminous button structure 10 have the advantages that volume is frivolous.
It please refers to shown in Fig. 4, the second embodiment of the utility model light-emitting diode (LED) module 4, second embodiment and first
Embodiment is roughly the same, but second embodiment is different from the first embodiment in the LED crystal particle 43 of the present embodiment
Wavelength be not required to adjust, so clad 44 do not include phosphor powder layer, clad 44 only include crystal grain protective layer 441, crystal grain protect
Sheath 441 is formed on the second film circuit board 41 and coats LED crystal particle 43 completely.
It please refers to shown in Fig. 5, the 3rd embodiment of the utility model light-emitting diode (LED) module 4,3rd embodiment and first
Embodiment is roughly the same, but 3rd embodiment is different from the first embodiment in the structure difference of flexible thin film layer 46.
Be further described below, flexible thin film layer 46 is equipped with one or plural open-work 461, the quantity of open-work 461 with it is miniature
The quantity of light emitting diode 42 is identical, and 46 stacking of flexible thin film layer is micro-led on the second film circuit board 41
42 are embedded at open-work 461, and clad 44 is exposed to open-work 461, i.e. phosphor powder layer 442 is exposed to open-work 461, because of the second film
Circuit board 41 is equipped with the circuit for being electrically connected LED crystal particle 43, and flexible thin film layer 46 is mainly used for covering and protects electricity
Property connection LED crystal particle 43 circuit, so flexible thin film layer 46 need not be covered on clad 44, while also can
Avoid the thickness at micro-led 42 blocked up（Omit the thickness of flexible thin film layer 46）.Wherein, flexible thin film layer
46 be film made by the plastic materials such as PET, PC, TPU, PMMA.
It please refers to shown in Fig. 6, the fourth embodiment of the utility model light-emitting diode (LED) module 4, fourth embodiment and third
Embodiment is roughly the same, but fourth embodiment is different from the third embodiment the LED crystal particle 43 that place is the present embodiment
Wavelength be not required to adjust, so clad 44 do not include phosphor powder layer, clad 44 only include crystal grain protective layer 441, crystal grain protect
Sheath 441 is formed on the second film circuit board 41 and coats LED crystal particle 43 completely, and clad 44 is exposed to
Hole 461, i.e. crystal grain protective layer 441 are exposed to open-work 461.
In conclusion the luminous button structure of the utility model, really can reach expection uses purpose, and solves existing skill
Deficiency in art, and there is industry applications, novelty and progressive, patent application important document is complied fully with, is proposed according to Patent Law
Application detailed survey and please grant quasi- this case patent, to ensure the right of inventor.
Claims (10)
1. a kind of luminous button structure, it is characterised in that：Including：
One bottom plate；
One keycap, configuration are square on which floor plate；
One the first film circuit board is arranged between the bottom plate and the keycap；And
One light-emitting diode (LED) module is arranged between the keycap and the first film circuit board, which includes：
One second film circuit board, it is overlapped on the first film circuit board；And at least one is micro-led, is mounted on
On second film circuit board, micro-led correspondence keycap configuration.
2. luminous button structure according to claim 1, it is characterised in that：It is described it is micro-led include one shine
Diode crystal particle and a clad, the LED crystal particle are arranged and are electrically connected at second film circuit board, the cladding
Layer is formed on second film circuit board and coats the LED crystal particle completely.
3. luminous button structure according to claim 2, it is characterised in that：The clad include a crystal grain protective layer and
One phosphor powder layer, the crystal grain protective layer are formed on second film circuit board and coat completely the LED crystal particle, should
Phosphor powder layer is formed on the crystal grain protective layer and coats the crystal grain protective layer completely.
4. luminous button structure according to claim 2, it is characterised in that：The clad includes a crystal grain protective layer,
The crystal grain protective layer is formed on second film circuit board and coats the LED crystal particle completely.
5. luminous button structure according to claim 3 or 4, it is characterised in that：The light-emitting diode (LED) module further includes
One flexible thin film layer, the flexible thin film layer stacking coat the packet on second film circuit board and the clad and completely
Coating.
6. luminous button structure according to claim 3 or 4, it is characterised in that：The light-emitting diode (LED) module further includes
One flexible thin film layer, the flexible thin film layer are equipped with an at least open-work, and the flexible thin film layer stacking is in second thin-film electro
On the plate of road, this is micro-led to be embedded at the open-work, and the clad is exposed to the open-work.
7. luminous button structure according to claim 3 or 4, it is characterised in that：The luminous button structure further includes one
Elastomer, the first film circuit board have a thin film switch, and the elastomeric support is in the keycap and second film circuit board
Between, the bottom of the elastomer is provided inwardly with a recess tank and is extended with a convex block from the inner wall of the recess tank, the convex block
The thin film switch can be triggered.
8. luminous button structure according to claim 7, it is characterised in that：The micro-led configuration is in the bullet
The outside of property body.
9. luminous button structure according to claim 7, it is characterised in that：The micro-led configuration is recessed at this
The inside of tank is fallen into, which is made of light-transmitting materials.
10. luminous button structure according to claim 3 or 4, it is characterised in that：The luminous button structure further includes one
Holder for scissors, which connects the bottom plate and the other end connects the keycap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092912.XU CN208142069U (en) | 2018-01-19 | 2018-01-19 | Luminous button structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092912.XU CN208142069U (en) | 2018-01-19 | 2018-01-19 | Luminous button structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208142069U true CN208142069U (en) | 2018-11-23 |
Family
ID=64284120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820092912.XU Active CN208142069U (en) | 2018-01-19 | 2018-01-19 | Luminous button structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208142069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405784A (en) * | 2022-01-14 | 2022-04-29 | 精元(重庆)电脑有限公司 | Computer keyboard spraying process |
| WO2023028937A1 (en) * | 2021-09-02 | 2023-03-09 | 东莞市欧希德精密模具有限公司 | Key and keyboard |
-
2018
- 2018-01-19 CN CN201820092912.XU patent/CN208142069U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023028937A1 (en) * | 2021-09-02 | 2023-03-09 | 东莞市欧希德精密模具有限公司 | Key and keyboard |
| CN114405784A (en) * | 2022-01-14 | 2022-04-29 | 精元(重庆)电脑有限公司 | Computer keyboard spraying process |
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