CN206148329U - Button device and keyboard - Google Patents
Button device and keyboard Download PDFInfo
- Publication number
- CN206148329U CN206148329U CN201621069359.5U CN201621069359U CN206148329U CN 206148329 U CN206148329 U CN 206148329U CN 201621069359 U CN201621069359 U CN 201621069359U CN 206148329 U CN206148329 U CN 206148329U
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- Prior art keywords
- esd
- emi
- maskants
- brake sack
- circuit board
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Abstract
The utility model provides a button device and keyboard, this button structure of contains bottom plate, film circuit board, presses key assembly and backlight module. Film circuit board sets up on the bottom plate. Set up on film circuit board according to key assembly. Backlight module sets up the one side of keeping away from film circuit board in the bottom plate to contain the anti -dazzling screen. The anti -dazzling screen contains transparent substrate and anti ESDEMI shields the coating. Anti ESDEMI shields the coating and sets up on transparent substrate to with bottom contact.
Description
Technical field
This utility model relates to a kind of key device and keyboard.
Background technology
For the use habit of current personal computer, keyboard is one of indispensable input equipment, to be input into
Word or numeral.Moreover, such as the consumer electronics product of everyday life contact or use large-scale of industrial quarters plus
Construction equipment, all needs to be provided with press-key structure as input equipment, to operate above-mentioned electronic product and process equipment.
In order to reach increase keyboard change application (for example, keyboard can be conveniently used in response in darker place, or
For keyboard there is light to show, the purpose such as easily recognizable), on the market and then develop backlight keyboard, allow the user also can be in lamp
The dark place of light uses.The practice being currently known is that backlight module is arranged in keyboard, to pass through backlight module by light source institute
The light of transmitting is projected to each button periphery of keyboard, makes light by the saturating of the keycap of the gap between most buttons or button
Light portion spills.
However, the keyboard of existing employing backlight module carry out static discharge (Electro Static Discharge,
ESD when) test is tested with electromagnetic interference (Electromagnetic Interference, EMI), often to backlight module
Intraware causes to damage.For using light emitting diode as the backlight module of light source, aforementioned test is likely to result in some
The circuit of optical diode is damaged, and this is greatly reduced the yield for causing keyboard.
Therefore, a kind of key device for solving the above problems and keyboard how are proposed, is that current industry is desired most ardently input and ground
Send out one of problem that resource is solved.
Utility model content
A purpose of the present utility model is to propose that one kind is carrying out static discharge (Electro Static
Discharge, ESD) test can be effectively when testing with electromagnetic interference (Electromagnetic Interference, EMI)
Avoid key device and keyboard that adopted backlight module is damaged.
In order to achieve the above object, according to an embodiment of the present utility model, a kind of key device includes base plate, thin film
Circuit board, button assembly and backlight module.Film circuit board is arranged on base plate.Button assembly is arranged at film circuit board
On.Backlight module is arranged at side of the base plate away from film circuit board, and comprising brake sack.Brake sack comprising transparent base and
Anti- ESD/EMI maskants.Anti- ESD/EMI maskants are arranged on transparent base, and and contacts baseplate.
In one or more embodiments of the present utility model, above-mentioned anti-ESD/EMI maskants include carbon dust.
In one or more embodiments of the present utility model, above-mentioned anti-ESD/EMI maskants are to be mixed with carbon dust
Colloid layer.
In one or more embodiments of the present utility model, above-mentioned anti-ESD/EMI maskants are to be mixed with carbon dust
Ink layer.
In one or more embodiments of the present utility model, above-mentioned brake sack also includes reflectance coating.Reflectance coating
It is arranged at side of the transparent base away from anti-ESD/EMI maskants.
In one or more embodiments of the present utility model, above-mentioned reflectance coating is on anti-ESD/EMI maskants
Orthographic projection be covered by within the outer rim of anti-ESD/EMI maskants.
In one or more embodiments of the present utility model, above-mentioned brake sack also includes ink coating.Ink coating
It is arranged between transparent base and reflectance coating.
In one or more embodiments of the present utility model, the orthographic projection of above-mentioned reflectance coating on ink coating is contained
Within being placed on the outer rim of ink coating.
In one or more embodiments of the present utility model, above-mentioned backlight module is also comprising reflector plate, guide-lighting interval
Layer and light source.Reflector plate is located at side of the brake sack away from base plate.Guide-lighting wall has accommodation space.Reflector plate and shading
Piece is separated in the opposite sides of guide-lighting wall.Light source is at least partly placed in accommodation space.
In one or more embodiments of the present utility model, via bonding between above-mentioned brake sack and guide-lighting wall
Layer is cemented.
In order to achieve the above object, according to another embodiment of the present utility model, a kind of keyboard includes base plate, thin-film electro
Road plate, multiple button assemblies and backlight module.Film circuit board is arranged on base plate.Button assembly is arranged at film circuit board
On.Backlight module is arranged at side of the base plate away from film circuit board, and comprising brake sack.Brake sack comprising transparent base and
Anti- ESD/EMI maskants.Anti- ESD/EMI maskants are arranged on transparent base, and and contacts baseplate.
In one or more embodiments of the present utility model, the anti-ESD/EMI maskants include carbon dust.
In one or more embodiments of the present utility model, the anti-ESD/EMI maskants are to be mixed with the carbon dust
Colloid layer.
In one or more embodiments of the present utility model, the anti-ESD/EMI maskants are to be mixed with the carbon dust
One ink layer.
In one or more embodiments of the present utility model, the brake sack also includes a reflectance coating, is arranged at this saturating
Side of the bright base material away from the anti-ESD/EMI maskants.
In one or more embodiments of the present utility model, the reflectance coating is on the anti-ESD/EMI maskants
One orthographic projection is to be covered by within the outer rim of the anti-ESD/EMI maskants.
In one or more embodiments of the present utility model, the brake sack also includes an ink coating, is arranged at this saturating
Between bright base material and the reflectance coating.
In one or more embodiments of the present utility model, an orthographic projection of the reflectance coating on the ink coating is
Within being covered by the outer rim of the ink coating.
In one or more embodiments of the present utility model, the backlight module is also included：
One reflector plate, positioned at the brake sack away from the base plate side；
One guide-lighting wall, with an at least accommodation space, the wherein reflector plate and brake sack is separated between the leaded light
The opposite sides of interlayer；And
An at least light source, the light source is at least partly placed in the corresponding accommodation space.
In one or more embodiments of the present utility model, via a bonding between the brake sack and the guide-lighting wall
Layer is cemented.
In one or more embodiments of the present utility model, above-mentioned reflectance coating is substantially in latticed.Overlook
During keyboard, reflectance coating extends the gap location between button assembly.
In one or more embodiments of the present utility model, above-mentioned anti-ESD/EMI maskants are substantially in grid
Shape.When keyboard is overlooked, anti-ESD/EMI maskants extend the gap location between button assembly.
In sum, key device and keyboard are that the anti-ESD/EMI comprising carbon dust is arranged on the brake sack of backlight module
Maskant, and using this anti-ESD/EMI maskants contact base plate.Therefore, anti-ESD/EMI maskants not only can reach anti-
The purpose that only light produced by backlight module is spilt by the gap between button assembly, can also fill in button of the present utility model
Put and be effectively prevented from backlight module when keyboard carries out electrostatic discharge testing with Electromagnetic Interference Test and be damaged.
The above is only to illustrate this utility model problem, the technological means of solve problem and its product to be solved
Raw effect etc., detail of the present utility model will be discussed in detail in embodiment below and correlative type.
Description of the drawings
It is that above and other purpose of the present utility model, feature, advantage and embodiment can be become apparent, institute's accompanying drawings
Be described as follows：
Fig. 1 is the axonometric chart of the keyboard for illustrating the embodiment of this utility model one.
Fig. 2 is the profile for illustrating the keyboard in Fig. 1 along line segment 2-2.
Fig. 3 is the explosive view of the backlight module for illustrating the embodiment of this utility model one.
Fig. 4 is the blast section view of the base plate, brake sack and guide-lighting wall that illustrate the embodiment local of this utility model one
Schematic diagram.
Fig. 5 is the partial top view of the brake sack for illustrating the embodiment of this utility model one.
Fig. 6 is to illustrate the base plate of another embodiment local of this utility model, brake sack to cut open with the blast of guide-lighting wall
Depending on schematic diagram.
Fig. 7 is the combination cross-sectional schematic of the members of the keyboard for illustrating another embodiment of this utility model.
Wherein, reference：
100、300：Keyboard
110：Base plate
111：Holes
112：Snap fit
120：Film circuit board
130：Backlight module
131、231：Brake sack
131a、231a：Transparent base
131b、231b：Anti- ESD/EMI maskants
131c、231c：Reflectance coating
132：Reflector plate
133：Guide-lighting wall
134：Light source
140：Button assembly
141：Connector
142：Keycap
143：Return unit
150：Bonding coat
360：Cover plate
231d：Ink coating
2-2：Line segment
S：Accommodation space
Specific embodiment
Hereinafter multiple embodiments of the present utility model will be disclosed with schema, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply new to limit this practicality
Type.That is, in this utility model some embodiments, the details in these practices is non-essential.Additionally, to simplify
For the sake of schema, some existing usual structures will illustrate it in the way of simple signal in the drawings with component.
Refer to Fig. 1.Fig. 1 is the axonometric chart of the keyboard 100 for illustrating the embodiment of this utility model one.As shown in figure 1, this
The keyboard 100 of embodiment can be external connection keyboard (for example, the keyboard or USB interface of PS2 interfaces used for desktop computer
Keyboard) or input equipment comprising keypad form computer system (for example, notebook computer or laptop computer),
But it is not limited thereto.In other words, the concept of keyboard of the present utility model 100 can apply to any using key device as defeated
The electronic product of incoming interface.
Refer to Fig. 2 and Fig. 3.Fig. 2 is the profile for illustrating the keyboard 100 in Fig. 1 along line segment 2-2.Fig. 3 is to illustrate
The explosive view of the backlight module 130 of the embodiment of this utility model one.As shown in Figure 1 to Figure 3, in present embodiment, keyboard
100 include base plate 110, film circuit board 120, backlight module 130 and multiple button assemblies 140, wherein base plate 110, thin film
Circuit board 120, backlight module 130 can be considered independent key device with the combination of one key component 140.Film circuit board
120 are arranged on base plate 110.Button assembly 140 is arranged on film circuit board 120.Backlight module 130 is arranged at base plate 110
Away from the side of film circuit board 120.
Specifically, base plate 110 is extended with multiple snap fits 112.Film circuit board 120 accordingly has perforation (sign)
So that the snap fit 112 of base plate 110 is passed through.Also there are base plate 110 multiple holes 111 to adjoin snap fit 112.In practical application, can
Snap fit 112 is formed on base plate 110 using Sheet Metal Forming Technology, and holes 111 is the hole that Sheet Metal Forming Technology is gone out.In other words
Say, the produced holes 111 when base plate 110 forms the snap fit 112 that can be connected with connector 141, you can as optical channel,
But this utility model is not limited thereto.
In some embodiments, base plate 110 can be made up (such as metal or plastic material) of hard material, but this practicality
It is new to be not limited thereto.
Button assembly 140 includes connector 141, keycap 142 and return unit 143.In the present embodiment, connector 141
It is connected between keycap 142 and the snap fit 112 of base plate 110, and is formed by the pivot joint of two connecting rod institutes, uses drive keycap 142 relative
Base plate 110 is lifted.Return unit 143 is arranged at the top of film circuit board 120, and positioned at keycap 142 and film circuit board 120
Between.When keycap 142 receives external force and is pressed down, return unit 143 will produce a drag to keycap 142, and then offer is used
The feel of person's pressing, and after the external force for putting on keycap 142 discharges, return unit 143 can provide the keycap 142 for pushing and reply
To the restoring force of the original position not pressed, in the present embodiment, return unit 143 can be an elastomer.
In practical application, connector 141 also can be replaced other and there are similar functions (to drive the relative bottom of keycap 142
Plate 110 is lifted) supporting construction, such as V-type, A types or two parallel bar linkage structures.Return unit 143 also can be replaced it
He has the component of similar functions, such as magnet assembly.
In addition it is noted that film circuit board 120 is configured and produces button assembly 140 to be pressed by button assembly 140
Corresponding trigger.Specifically, when keycap 142 is not pressed, (figure is not for the on-off circuit in film circuit board 120
Show) do not electrically conduct.When keycap 142 is pressed and moves towards base plate 110, keycap 142 can directly or indirectly by ironed
Membrane circuit board 120 so that the on-off circuit in film circuit board 120 electrically conduct (that is, trigger behavior, in the present embodiment,
Film circuit board 120 is pushed with trigger switch circuit by return unit 143).
Please with reference to Fig. 4, it is to illustrate the base plate 110 of the embodiment local of this utility model one, brake sack 131 and lead
The blast cross-sectional schematic of light wall 133.As shown in Figures 2 to 4, in present embodiment, backlight module 130 is comprising in layer
The repeatedly brake sack 131 of shape, reflector plate 132, guide-lighting wall 133 and multiple light sources 134 (see Fig. 3).Brake sack 131 is arranged at
Base plate 110 and is contacted away from the side of film circuit board 120 with base plate 110.Reflector plate 132 is located at brake sack 131 away from base plate
110 side.Guide-lighting wall 133 has multiple accommodation space S (see Fig. 3).Brake sack 131 is separated in reflector plate 132 and leads
The opposite sides of light wall 133.That is, guide-lighting wall 133 is separated reflector plate 132 with brake sack 131 with its thickness.Light
Source 134 is at least partly placed in accommodation space S.
Specifically, brake sack 131 includes transparent base 131a and anti-ESD/EMI maskants 131b.Anti- ESD/EMI
Maskant 131b is arranged on transparent base 131a, and is contacted with base plate 110.Whereby, anti-ESD/EMI maskants 131b can
Static discharge (Electro Static Discharge, ESD) test and electromagnetic interference are carried out in the keyboard 100 of present embodiment
(Electromagnetic Interference, EMI) is effectively prevented from (the particularly light source 134 of backlight module 130 when testing
Circuit) it is damaged.
Fig. 5 is refer to, it is the partial top view of the brake sack for illustrating the embodiment of this utility model one.As shown in figure 5,
In present embodiment, anti-ESD/EMI maskings apply 131b layers substantially in latticed.When keyboard 100 is overlooked, anti-ESD/EMI
Maskant 131b extends the gap location between button assembly 140.Therefore, uncoated anti-ESD/EMI on transparent base 131a
Masking applies the position (region i.e. in grid) of 131b, corresponding to the set location of each button assembly 140.In some embodiments
In, anti-ESD/EMI maskants 131b includes carbon dust.Anti- ESD/EMI maskants 131b comprising carbon dust is also known as carbon black.In
In some embodiments, when keyboard 100 is overlooked, anti-ESD/EMI maskants 131b is at least filled between button assembly 140
Gap location.Whereby, anti-ESD/EMI maskants 131b can reach the light produced by the light source 134 for preventing backlight module 130
The purpose that line is spilt by the gap between button assembly 140.
In some embodiments, anti-ESD/EMI maskants 131b is the colloid layer for being mixed with carbon dust, but this practicality is new
Type is not limited thereto.In some other embodiment, anti-ESD/EMI maskants 131b is alternatively the oil for being mixed with carbon dust
Layer of ink.
As shown in figure 4, in present embodiment, brake sack 131 also includes reflectance coating 131c.Reflectance coating 131c is arranged
In transparent base 131a away from anti-ESD/EMI maskants 131b side.Between the reflectance coating 131c of brake sack 131 and leaded light
It is cemented via bonding coat 150 between interlayer 133.Whereby, the light that light source 134 is launched is entered after guide-lighting wall 133, first
Reflected by reflectance coating 131c through transparent base 131a and return and conducted inside guide-lighting wall 133, and led
Cause the holes 111 of base plate 110 and be projected to keycap 142, using makes keycap 142 have obvious light display effect.
In some embodiments, reflector plate 132 is the substrate made by the nontransparent material with reflecting effect, or can
By made by transparent base ink of the printing with reflecting effect.
In some embodiments, guide-lighting wall 133 has multiple optical scattering structure (not shown).Optical scattering structure can
Top surface or bottom surface located at guide-lighting wall 133.In some embodiments, optical scattering structure can be formed point-shaped reflection pattern or
For sunk structure.By the shape of control optical scattering structure, size and arrangement mode, you can so that conducting in guide-lighting wall
Light in 133 is in the light intensity uniform everywhere of guide-lighting wall 133 and consistent.
In present embodiment, orthographic projections of the reflectance coating 131c on anti-ESD/EMI maskants 131b and anti-ESD/
The outer rim of EMI maskant 131b is mutually trimmed, but this utility model is not limited thereto.In practical application, apply can reflection
Orthographic projections of the layer 131c on anti-ESD/EMI maskants 131b is covered by within the outer rim of anti-ESD/EMI maskants 131b.
It follows that with Fig. 5 in anti-ESD/EMI maskants 131b similarly, reflectance coating 131c is substantially also in latticed.
When overlooking keyboard 100, reflectance coating 131c equally extends the gap location between button assembly 140.
In some embodiments, the color of anti-ESD/EMI maskants 131b is black (for example, comprising black ink
Or it is mixed with carbon dust), and reflectance coating 131c is white (for example, comprising white ink).Configure by aforementioned structure, Yong Hu
During using keyboard 100, the anti-ESD/EMI maskants 131b of black only can be seen by the gap between button assembly 140, and not
The reflectance coating 131c of white is can be appreciated that, so that the illumination effect of keyboard 100 is more notable.
Fig. 6 is refer to, it is base plate 110, brake sack 231 and the leaded light for illustrating another embodiment local of this utility model
The blast cross-sectional schematic of wall 133.As shown in fig. 6, in present embodiment, brake sack 231 comprising transparent base 231a,
Anti- ESD/EMI maskants 231b, reflectance coating 231c and ink coating 231d, wherein transparent base 231a, anti-ESD/EMI
Transparent base 131a, anti-ESD/EMI maskants 131b shown in maskant 231b and reflectance coating 231c and Fig. 4 and reflection
Coating 131c is identical, can refer to aforementioned related description, will not be described here.Here is noted that compared to the screening shown in Fig. 4
Mating plate 131, the brake sack 231 of present embodiment also enters one comprising ink coating 231d.Ink coating 231d is arranged at transparent
Between base material 231a and reflectance coating 231c.
In some embodiments, orthographic projections of the reflectance coating 231c on ink coating 231d is covered by ink coating
Within the outer rim of 231d.In some embodiments, the color of anti-ESD/EMI maskants 131b is not limited to black, and ink is applied
The color of layer 231d is black (for example, comprising black ink), and reflectance coating 231c is white (for example, comprising white oil
Ink).Configure by aforementioned structure, user only can see black when using keyboard 100 by the gap between button assembly 140
Ink coating 231d, without see white reflectance coating 231c so that the illumination effect of keyboard 100 is more notable.
Fig. 7 is refer to, it is the combination section view of the members of the keyboard 300 for illustrating another embodiment of this utility model
Schematic diagram.It is base plate 110 of the keyboard 300 equally comprising the embodiment shown in Fig. 2, thin as shown in fig. 7, in present embodiment
Membrane circuit board 120, backlight module 130 (brake sack 131 of backlight module 130 is only shown in Fig. 7 with guide-lighting wall 133) with
And multiple button assemblies 140 (keycap 142 of button assembly 140 is only shown in Fig. 7), therefore these components can refer to aforementioned phase
Speak on somebody's behalf bright, will not be described here.Here is noted that compared to the embodiment shown in Fig. 2, the keyboard of present embodiment
300 further comprise cover plate 360.With the external form of the anti-ESD/EMI maskants 131b in Fig. 5 similarly, the essence of cover plate 360
On also in latticed.When keyboard 300 is overlooked, cover plate 360 equally extends the gap location between button assembly 140, and can enter
One step strengthens the effect for preventing light from being spilt by the gap between button assembly 140.And the keycap 142 of button assembly 140 is pressed
During the region in the grid of cover plate 360 is may move during pressure.It follows that this utility model is equally applicable for comprising cover plate
360 keyboard 300.
For the detailed description of specific embodiment of the present utility model by more than, it is apparent that of the present utility model
Key device and keyboard are that the anti-ESD/EMI maskants comprising carbon dust are arranged on the brake sack of backlight module, and utilize this
Anti- ESD/EMI maskants contact base plate.Therefore, anti-ESD/EMI maskants not only can reach and prevent produced by backlight module
The purpose that spilt by the gap between button assembly of light, can also carry out electrostatic in key device of the present utility model and keyboard
Backlight module is effectively prevented from when discharge test is with Electromagnetic Interference Test to be damaged.
Certainly, this utility model can also have other various embodiments, spiritual and its essence without departing substantially from this utility model
In the case of, those of ordinary skill in the art can make various corresponding changes and deformation, but these phases according to this utility model
The change and deformation answered should all belong to this utility model scope of the claims.
Claims (16)
1. a kind of key device, comprising：
One base plate；
One film circuit board, is arranged on the base plate；
One button assembly, is arranged on the film circuit board；And
One backlight module, is arranged at side of the base plate away from the film circuit board, and comprising a brake sack, the brake sack bag
Contain：
One transparent base；And
One anti-ESD/EMI maskants, are arranged on the transparent base, and with the contacts baseplate.
2. key device according to claim 1, it is characterised in that the anti-ESD/EMI maskants include carbon dust.
3. key device according to claim 2, it is characterised in that the anti-ESD/EMI maskants are to be mixed with the carbon
The colloid layer of powder.
4. key device according to claim 2, it is characterised in that the anti-ESD/EMI maskants are to be mixed with the carbon
One ink layer of powder.
5. key device according to claim 1, it is characterised in that the brake sack also includes a reflectance coating, is arranged at
Side of the transparent base away from the anti-ESD/EMI maskants.
6. key device according to claim 5, it is characterised in that the reflectance coating is in the anti-ESD/EMI maskants
On an orthographic projection be to be covered by within the outer rim of the anti-ESD/EMI maskants.
7. key device according to claim 5, it is characterised in that the brake sack also includes an ink coating, is arranged at
Between the transparent base and the reflectance coating.
8. key device according to claim 7, it is characterised in that the reflectance coating just throwing on the ink coating
Shadow is to be covered by within the outer rim of the ink coating.
9. key device according to claim 1, it is characterised in that the backlight module is also included：
One reflector plate, positioned at the brake sack away from the base plate side；
One guide-lighting wall, with an accommodation space, wherein the reflector plate and the brake sack are separated in the phase of the guide-lighting wall
To both sides；And
One light source, in being at least partly placed in the accommodation space.
10. key device according to claim 9, it is characterised in that between the brake sack and the guide-lighting wall via
One bonding coat is cemented.
11. a kind of keyboards, it is characterised in that include：
One base plate；
One film circuit board, is arranged on the base plate；
Multiple button assemblies, are arranged on the film circuit board；And
One backlight module, is arranged at side of the base plate away from the film circuit board, and comprising a brake sack, the brake sack bag
Contain：
One transparent base；And
One anti-ESD/EMI maskants, are arranged on the transparent base, and with the contacts baseplate.
12. keyboards according to claim 11, it is characterised in that the brake sack also includes a reflectance coating, is arranged at this
Side of the transparent base away from the anti-ESD/EMI maskants.
13. keyboards according to claim 12, it is characterised in that the brake sack also includes an ink coating, is arranged at this
Between transparent base and the reflectance coating.
14. keyboards according to claim 11, it is characterised in that the backlight module is also included：
One reflector plate, positioned at the brake sack away from the base plate side；
One guide-lighting wall, with an at least accommodation space, the wherein reflector plate is separated in the guide-lighting wall with the brake sack
Opposite sides；And
An at least light source, the light source is at least partly placed in the corresponding accommodation space.
15. keyboards according to claim 14, it is characterised in that glutinous via one between the brake sack and the guide-lighting wall
Close layer cemented.
16. keyboards according to claim 11, it is characterised in that the anti-ESD/EMI maskants are in latticed, and
When overlooking the keyboard, the anti-ESD/EMI maskants extend the gap location between those button assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069359.5U CN206148329U (en) | 2016-09-21 | 2016-09-21 | Button device and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069359.5U CN206148329U (en) | 2016-09-21 | 2016-09-21 | Button device and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148329U true CN206148329U (en) | 2017-05-03 |
Family
ID=58619764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069359.5U Active CN206148329U (en) | 2016-09-21 | 2016-09-21 | Button device and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464484A (en) * | 2018-08-01 | 2022-05-10 | 光宝电子(广州)有限公司 | Backlight module |
-
2016
- 2016-09-21 CN CN201621069359.5U patent/CN206148329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464484A (en) * | 2018-08-01 | 2022-05-10 | 光宝电子(广州)有限公司 | Backlight module |
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