CN109872907A - Illuminated keyboard - Google Patents
Illuminated keyboard Download PDFInfo
- Publication number
- CN109872907A CN109872907A CN201711269452.XA CN201711269452A CN109872907A CN 109872907 A CN109872907 A CN 109872907A CN 201711269452 A CN201711269452 A CN 201711269452A CN 109872907 A CN109872907 A CN 109872907A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- light
- illuminated keyboard
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000926 separation method Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 230000011664 signaling Effects 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
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- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The present invention provides a kind of illuminated keyboard comprising key module, light guide plate, the straight-down negative light-emitting component and shading element that can produce light beam.Light guide plate is located at the lower section of key module, and straight-down negative light-emitting component is set to the lower section of light guide plate and the light-emitting surface of straight-down negative light-emitting component is contacted with light guide plate.Shading element is set on light guide plate, can cover light beam, and shading element partially protrudes into the light guide plate aperture of light guide plate, makes part shading element in forming reflecting part in light guide plate aperture.Wherein, when light beam is projected to reflecting part, reflected light beam is in traveling in light guide plate and can be projected to key module.
Description
Technical field
The present invention relates to a kind of keyboards, more particularly to can produce the illuminated keyboard of illumination effect.
Background technique
Common computer peripheral input unit includes mouse, keyboard and trace ball etc., and wherein keyboard can directly key in text
Word and symbol give computer, therefore the attention quite by user and input unit manufacturer.
Referring to Fig. 1, it is the surface structure schematic diagram of existing keyboard.Appear on the surface of existing keyboard 1 have it is multiple by
Key 10, multiple keys 10 are classified as general key 101, number key 102 and function key 103 etc., multiple keys for user with
Finger presses and generates corresponding signal and give computer, and computer is made to execute touched keypress function, for example, general key 101 to
The symbols such as inputting English letter, number key 102 is to input number, and function key 103 is then to provide various functions, such as F1
~F12 etc..Wherein existing keyboard 1 is the keyboard of laptop.
With the evolution of science and technology, keyboard manufacturer is dedicated to researching and developing the various keyboards with specific function to meet different uses
The various demands of person, by taking illuminated keyboard as an example.Illustrate the internal structure of existing illuminated keyboard below.Referring to Fig. 2, it is existing
The structural profile illustration of illuminated keyboard.Existing illuminated keyboard 2 include multiple keys 20, film switch circuit 21, light guide plate 22,
Light emitting module 23, support plate 24 and reflector plate 25.Key 20 include a button cap 201, a scissor connecting element 202 and
One elastic element 203.In existing illuminated keyboard 2, above-mentioned each element is basipetal to put in order as button cap 201, scissor
Connecting element 202, elastic element 203, film switch circuit 21, support plate 24, light guide plate 22 and reflector plate 25, and be located at thin
Support plate 24 between membrane switch circuit 21 and light guide plate 22 can carry button cap 201, scissor connecting element 202, elasticity
Element 203 and film switch circuit 21 are thereon.
In key 20, button cap 201 is revealed in except existing keyboard 2 and can be pressed by user, scissor connecting element
202 to connect button cap 201 and support plate 24, and elastic element 203 pass through scissor connecting element 202 and respectively with press
Keycap 201 and film switch circuit 21 contact.Film switch circuit 21 includes upper wiring board 211, separation layer 212 and offline
Road plate 213, upper wiring board 211 have multiple upper conductive parts 2111, and separation layer 212 is located at the lower section of upper wiring board 211, and has
Corresponding to multiple separation layer apertures 2121 of multiple upper conductive parts 2111, and lower wiring board 213 is located at the lower section of separation layer 212,
It has corresponding to multiple upper conductive parts 2111 multiple lower conductive parts 2131 so that multiple lower conductive parts 2131 can with it is multiple on
Conductive part 2111 forms multiple key switches 214.Wherein, upper wiring board 211, separation layer 212 and lower wiring board 213 be all with
Made by translucent material, and translucent material is with polycarbonate (Polycarbonate, PC) material or polyethylene
Made by (polyethylene, PE) material, with translucent effect.
Light emitting module 23 includes power supply circuit plate 231 and multiple side direction type illuminating elements 232 (two are only shown in figure),
Power supply circuit plate 231 is located at the lower section of film switch circuit 21, gives multiple side direction type illuminating elements 232 to provide electric power, and
Multiple side direction type illuminating elements 232 be set in power supply circuit plate 231 and protrude into multiple reflector plate apertures 251 of reflector plate 25 with
And multiple light guide plate apertures 221 of light guide plate 22 are able to generate more when multiple side direction type illuminating elements 232 obtain electric power
A light beam B, and multiple light beam B are projected to light guide plate 22.And the function of light guide plate 22 is to guide multiple light beam B and be projected it
To button cap 201.Reflector plate 25 is then set to the lower section of light guide plate 22, can reflect multiple light beam B and make multiple light beam B up
Projection, and avoid the waste of light beam B.
In existing illuminated keyboard 2, there is output optical zone domain 2011, and output optical zone domain 2011 is on each button cap 201
Position where letter or symbol, wherein the position in output optical zone domain 2011 corresponds to the institute of the light directing site 223 on light guide plate 22
In position, passed in light guide plate 22 so that light beam is up guided to its output optical zone domain 2011 to work as by light directing site 223
When the light beam B led is projected in light directing site 223, light directing site 223 can guide light beam B and up project, and up projecting beam B
Can be sequentially across the support plate aperture 241 of support plate 24 and film switch circuit 21, and then pass through the output optical zone of button cap 201
Domain 2011 enables the letter or symbol light transmission on button cap 201 and has illumination effect.
Wherein, the thickness of side direction type illuminating element 232 is greater than the thickness of light guide plate 22, therefore 232 institute of side direction type illuminating element
The segment beam B of generation will not be projected into light guide plate 22, and the phenomenon that cause light to waste, in other words, existing illuminated keyboard 2
Luminous efficiency will be affected.
Therefore, it is necessary to it is a kind of can improving luminous efficiency illuminated keyboard.
Summary of the invention
The purpose of the present invention is to provide it is a kind of can improving luminous efficiency illuminated keyboard.
In a preferred embodiment, the present invention provides a kind of illuminated keyboard, including a key module, a light guide plate, always
Following formula light-emitting component and a shading element.The key module part is revealed in except the illuminated keyboard, which is located at should
The lower section of key module, and the light guide plate has a light guide plate aperture.The straight-down negative light-emitting component is set under the light guide plate
A side and light-emitting surface of the straight-down negative light-emitting component is contacted with the light guide plate, to generate a light beam, and make the light beam project into
Enter the light guide plate.The shading element is set on the light guide plate, and to cover the light beam, and the shading element partially protrudes into this and leads
Tabula rasa aperture makes the part shading element in forming a reflecting part in the light guide plate aperture.Wherein, when the light beam is projected to this
When reflecting part, which advances by reflection and in the light guide plate, and pass through the shading element an aperture and be projected to this by
Key module.
In short, the beneficial effects of the present invention are illuminated keyboard uses straight-down negative light-emitting component as light emitting source, and straight
The light-emitting surface of following formula light-emitting component be greater than existing side direction type illuminating element light-emitting surface, therefore straight-down negative light-emitting component can provide it is higher
The light beam of power.In addition, the light-emitting surface of straight-down negative light-emitting component is designed to the following table face contact with light guide plate, that is to say, that
Gapless between straight-down negative light-emitting component and light guide plate, therefore, most light beam can be projected into light guide plate, and reduce light wave
The phenomenon that taking.Finally, the reflecting part for protruding into light guide plate aperture using shading element and being formed is come the reflected beams, so that light beam can be in
It advances in light guide plate, and generates the light travel path of similar existing side direction type illuminating element, so that illuminated keyboard shines.According to upper
It states it is found that illuminated keyboard of the present invention can provide better luminous efficiency.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of existing keyboard.
Fig. 2 is the structural profile illustration of existing illuminated keyboard.
Fig. 3 is partial structurtes decomposition diagram of the illuminated keyboard of the present invention in a preferred embodiment.
Fig. 4 is structural decomposition diagram of the switching circuit board of illuminated keyboard of the present invention in a preferred embodiment.
Fig. 5 is partial structurtes schematic side view of the illuminated keyboard of the present invention in a preferred embodiment.
Appended drawing reference is as follows:
1 keyboard
2,3 illuminated keyboard
10,20,311 key
21 film switch circuits
22,33 light guide plate
23 light emitting modules
24,312 support plate
25 reflector plates
31 key modules
32 shading elements
34 straight-down negative light-emitting components
35,231 power supply circuit plate
36 reflecting elements
101 general keys
102 general keys
103 function keys
202 scissor connecting elements
201,314 button cap
203 elastic elements
211, wiring board on 3131
212,3133 separation layer
213,3132 lower wiring board
214 key switches
232 side direction type illuminating elements
313 switching circuit boards
315 connecting elements
316 trigger elements
321 reflecting parts
322 protrusions
323 apertures
331 light guide plate apertures
341 light-emitting surfaces
361 reflector plate apertures
2011 output optical zones domain
2111, the upper conductive part of 3131A
2121,3133A separation layer aperture
2131, conductive part under 3132A
3121 support plate apertures
3122 hooks
B light beam
Specific embodiment
In view of prior art problem, the present invention provides a kind of illuminated keyboard that can solve prior art problem.Illustrate first
The structure of illuminated keyboard of the present invention, referring to Fig. 3, it is partial structurtes of the illuminated keyboard of the present invention in a preferred embodiment point
Solve schematic diagram.Illuminated keyboard 3 of the present invention includes key module 31, shading element 32, light guide plate 33, multiple straight-down negative light-emitting components
34, power supply circuit plate 35 and reflecting element 36, and key module 31 includes multiple keys 311 (one is only shown in figure), branch
Fagging 312 and switching circuit board 313.Light guide plate 33 is located at the lower section of key module 31, and light guide plate 33 has corresponding to more
Multiple light guide plate apertures 331 of a straight-down negative light-emitting component 34.Straight-down negative light-emitting component 34 be set to the lower section of light guide plate 33 and
The light-emitting surface 341 of straight-down negative light-emitting component 34 and the following table face contact of light guide plate 33, function are to generate light beam B, and make light beam B
It is able to be projected into light guide plate 33 as much as possible.Power supply circuit plate 35 is located at the lower section of light guide plate 33, can carry it is multiple it is straight under
Formula light-emitting component 34 thereon and is electrically connected in multiple straight-down negative light-emitting components 34.In this preferred embodiment, under straight
Formula light-emitting component 34 is straight-down negative light emitting diode, and printed circuit board (PCB) or flexible circuit board can be used in power supply circuit plate 35
(FPC)。
For reflecting element 36 between light guide plate 33 and power supply circuit plate 35, function is that can be reflected off light guide plate 33
Light beam B is again introduced into light beam B in light guide plate 33, to promote the service efficiency of light beam B.In this preferred embodiment, and reflect
Reflector plate or reflectance ink can be used in element 36.Wherein, when using reflectance ink, reflectance ink is printable or is coated on leaded light
On 33 lower surface of plate or on the upper surface of power supply circuit plate 35, and when using reflector plate, reflector plate must be provided on reflector plate
Aperture 361, so that straight-down negative light-emitting component 34 passes through and is able to protrude into light guide plate aperture 331.
In key module 31, multiple 311 parts of key are revealed in except illuminated keyboard 3.Support plate 312 is located at multiple keys
Between 311 and light guide plate 33, and multiple keys 311 are connected to, and support plate 312 includes corresponding to multiple straight-down negative light-emitting components
34 multiple support plate apertures 3121 and multiple hooks 3122 corresponding to multiple keys 3121.Switching circuit board 313 is arranged
In in support plate 312, function is that can be triggered by key 311 and export corresponding push button signalling.Wherein, each key 311
Including button cap 314, connecting element 315 and trigger element 316.Button cap 314 is located at the top of support plate 312 and is revealed in
Except illuminated keyboard 3, and connecting element 315 can be connected and be pressed between corresponding button cap 314 and support plate 312
Keycap 314 moves up and down button cap 314 relative to support plate 312 in support plate 312, wherein connecting element 315 can
It is connected to multiple hooks 3122 of button cap 314 and support plate 312.Trigger element 316 is located at corresponding button cap
Between 314 and switching circuit board 313, it can be supported by button cap 314 and deformation occurs, with trigger switch circuit board 313, or
Person can be restored according to the elasticity of trigger element 316 itself by deformed state, while the elastic force provided up gives button cap 314,
Make 314 homing of button cap.
In this preferred embodiment, trigger element 316 be with made by translucent material, so that light beam B is passed through, connecting element
315 be scissor connecting element, is only illustration, rather than as limit.In another preferred embodiment, multiple keys also can benefit
With the connecting element of non-scissor connecting element type actuation it, such as the volcano shape of the mouth as one speaks connection structure of desktop computer,
In addition to this, moving up and down for magnetic means control button cap more can be used.
Please refer to Fig. 3 and Fig. 4, Fig. 4 is the switching circuit board of illuminated keyboard of the present invention in a preferred embodiment
Structural decomposition diagram.Switching circuit board 313 includes upper wiring board 3131, lower wiring board 3132 and separation layer 3133.On
Wiring board 3131 is contacted with trigger element 316 and upper wiring board 3131 has upper conductive part 3131A, and upper conductive part 3131A is set
It is placed on the lower surface of wiring board 3131.Lower wiring board 3132 is located at the lower section of upper wiring board 3131, and lower wiring board 3132 has
There is lower conductive part 3132A, and lower conductive part 3132A is set on the upper surface of lower wiring board 3132.Wherein, clear for drawing
It is clear as it can be seen that the conducting wire for being electrically connected at conductive part 3131A and lower conductive part 3132A is not drawn in Fig. 4.Separation layer
3133 between upper wiring board 3131 and lower wiring board 3132, and separation layer 3133 have corresponding to button cap 314 every
Absciss layer aperture 3133A, the function of separation layer 3133 are to separate upper conductive part 3131A and lower conductive part 3132A.Wherein, it above leads
Key switch is collectively formed in electric portion 3131A, separation layer aperture 3133A and lower conductive part 3231, and each key switch is corresponding
In a key 311.When trigger element 316 triggers upper wiring board 301, upper conductive part 3131A protrudes into separation layer aperture 3133A
And contacted with lower conductive part 3132A, so that switching circuit board 313 is connected and is exported corresponding push button signalling.
In this preferred embodiment, upper conductive part 3131A and lower conductive part 3132A are all circular blocky conductive part,
It only illustrates and is used, and be not limited, upper conductive part and lower conductive part can be also designed as to blocky conductive part of various shapes,
Such as: the blocky conductive part of rectangle, triangle or diamond shape.In another preferred embodiment, upper conductive part and lower conductive part also may be used
Using the design of intermediate light-permeable, such as: the blocky conductive part of rectangle, triangle or diamond shape, and blocky conductive part center is equipped with
The hollow region of light-permeable, so that light beam can penetrate it by hollow region when by blocky conductive part.
Please refer to Fig. 3 and Fig. 5, Fig. 5 is partial structurtes side of the illuminated keyboard of the present invention in a preferred embodiment
Depending on schematic diagram.Shading element 32 is set on light guide plate 33, function be masking light beam B, and shading element 32 partially protrude into it is more
A light guide plate aperture 331 makes part shading element 32 that can form a reflecting part 321 in light guide plate aperture 331.Wherein,
Shading element 32 further includes multiple protrusions 322 and multiple apertures 323, and each protrusion 322 corresponds to a light guide plate and opens
Hole 331, and each aperture 323 corresponds to a support plate aperture 3121, and is located under corresponding support plate aperture 3121
Side.Protrusion 322 is respectively protruding into corresponding light guide plate aperture 331, and the shape of protrusion 322 and light guide plate aperture 331
Shape is complementary, and reflecting part 321 is located on the side of corresponding protrusion 322.In other words, multiple protrusions 322 are by shading
Element 32 is stacked and placed on light guide plate 33, and press shading element 32 and light guide plate 33 and in corresponding light guide plate aperture 331
Interior formation.In this preferred embodiment, reflecting part 321 is to print or be coated on the reflection formed on the side of protrusion 322
Layer, and shading element 32 is anti-dazzling screen, is only to illustrate to be used, and be not limited.In another preferred embodiment, shading member
Part can be selected reflecting material and be formed, therefore reflecting part is the partial structurtes that shading element protrudes into light guide plate aperture.
Fig. 5 shows the structure that each element is completed.When straight-down negative light-emitting component 34 generates light beam B by driving,
Light beam B is up projected and is entered in light guide plate 33.Next, light beam B is up projected to reflecting part 321 and anti-by reflecting part 321
It penetrates, light beam B is able to be totally reflected in light guide plate 33 as a result,.Wherein, the segment beam in light beam B passes through shading element 32
Aperture 323, light guide plate aperture 331 and switching circuit board 313, and be projected to button cap 311, generated illumination effect.Separately
On the one hand, the segment beam in light beam B leaves light guide plate 33 and is reflected by reflecting element 36, so that segment beam is again in leaded light
Plate 33 is totally reflected, therefore can promote the service efficiency of light beam B.
In a preferable practice, diffusion elastomer (Diffuser Rubber) is can be used in trigger element 316, so that light beam B
Being projected to trigger element 316 can be spread, and generate more uniform illumination effect.Wherein, diffusion elastomer can pass through following two
Kind of mode is made: first, trigger element 316 is with made by photodiffusion material, and second, the outer surface of trigger element 316 and interior
At least one of surface can handle to form the surface with light diffusion function by light diffusing surface.
As described above, illuminated keyboard of the present invention uses straight-down negative light-emitting component as light emitting source, and straight-down negative shines
The light-emitting surface of element is greater than the light-emitting surface of existing side direction type illuminating element, therefore straight-down negative light-emitting component can provide the light of higher-wattage
Beam.In addition, the light-emitting surface of straight-down negative light-emitting component is designed to the following table face contact with light guide plate, that is to say, that straight-down negative hair
Gapless between optical element and light guide plate, therefore, most light beam can be projected into light guide plate, and reduce showing for light waste
As.Finally, the reflecting part for protruding into light guide plate aperture using shading element and being formed is come the reflected beams, so that light beam can be in light guide plate
Interior traveling, and the light travel path of similar existing side direction type illuminating element is generated, so that illuminated keyboard shines.With existing light key
Disk is compared, and illuminated keyboard of the present invention can provide the light beam of higher-wattage, and can reduce the situation of light waste.Therefore, the present invention is sent out
Light keyboard can provide better luminous efficiency really.
The foregoing is merely presently preferred embodiments of the present invention, the claim being not intended to limit the invention, thus it is all its
It is intended to be limited solely by claim of the invention without departing from the lower equivalent change or modification completed of spirit disclosed in this invention
In book.
Claims (10)
1. a kind of illuminated keyboard, comprising:
One key module is partially revealed in except the illuminated keyboard;
One light guide plate, positioned at the lower section of the key module, which has a light guide plate aperture;And
One straight-down negative light-emitting component is set to the lower section of the light guide plate and a light-emitting surface and the leaded light for the straight-down negative light-emitting component
Plate contact, to generate a light beam, and makes the light beam be projected into the light guide plate;And
One shading element is set on the light guide plate, and to cover the light beam, and the shading element partially protrudes into the light guide plate and opens
Hole makes the part shading element in forming a reflecting part in the light guide plate aperture;Wherein, when the light beam is projected to the reflecting part
When, which advances by reflection and in the light guide plate, and passes through an aperture of the shading element and be projected to the key module.
2. illuminated keyboard as described in claim 1 further includes a power supply circuit plate, positioned at the lower section of the light guide plate, to hold
It carries the straight-down negative light-emitting component and is electrically connected at the straight-down negative light-emitting component.
3. illuminated keyboard as claimed in claim 2 further includes a reflecting element, be located at the light guide plate and the power supply circuit plate it
Between, to be reflected off the light beam of the light guide plate, it is again introduced into the light beam in the light guide plate.
4. illuminated keyboard as described in claim 1, wherein the key module includes:
Multiple keys are partially revealed in except the illuminated keyboard;
One support plate between multiple keys and the light guide plate, and is connected to multiple keys, which has
One support plate aperture;And
One switching circuit board is set in the support plate, exports a push button signalling to be triggered by the key.
5. illuminated keyboard as claimed in claim 4, wherein the key includes:
One button cap, positioned at the support plate top and be revealed in except the illuminated keyboard;
One connecting element to connect the button cap in the support plate, and makes between the button cap and the support plate
The button cap is moved up and down relative to the support plate;And
One trigger element triggers this and opens between the button cap and the switching circuit board to be supported by the button cap
Close circuit board.
6. illuminated keyboard as claimed in claim 5, wherein the trigger element is made by translucent material.
7. illuminated keyboard as claimed in claim 5, wherein the switching circuit board includes:
Wiring board on one is contacted with the trigger element, and wiring board has conductive part on one on this;
Wiring board once, lower section of wiring board on this, and the lower wiring board have conductive part;
One separation layer is located on this between wiring board and the lower wiring board, to separate conductive part and the lower conductive part on this,
The separation layer has a separation layer aperture;Wherein, when the trigger element triggers wiring board on this, on this conductive part protrude into this every
Absciss layer aperture and contacted with the lower conductive part, so that the switching circuit board is exported the push button signalling.
8. illuminated keyboard as claimed in claim 7, wherein the shading element further includes a protrusion, corresponds to the light guide plate
Aperture, which protrudes into the light guide plate aperture, and the shape of the protrusion is complementary with the shape of the light guide plate aperture, and this is anti-
Portion is penetrated to be located in a side of the protrusion.
9. illuminated keyboard as claimed in claim 8, wherein the reflecting part is printing or is coated on the side of the protrusion
And the reflecting layer formed, and the shading element is anti-dazzling screen.
10. illuminated keyboard as described in claim 1, wherein the shading element is formed with reflecting material, and the reflecting part
For the partial structurtes of the shading element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711269452.XA CN109872907B (en) | 2017-12-05 | 2017-12-05 | Luminous keyboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711269452.XA CN109872907B (en) | 2017-12-05 | 2017-12-05 | Luminous keyboard |
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CN109872907A true CN109872907A (en) | 2019-06-11 |
CN109872907B CN109872907B (en) | 2021-08-06 |
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CN201711269452.XA Expired - Fee Related CN109872907B (en) | 2017-12-05 | 2017-12-05 | Luminous keyboard |
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Citations (7)
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---|---|---|---|---|
CN202871648U (en) * | 2012-10-17 | 2013-04-10 | 苏州达方电子有限公司 | Thinned luminous keyboard |
CN203055745U (en) * | 2012-12-19 | 2013-07-10 | 致伸科技股份有限公司 | Keyboard device with luminous keys |
CN104279527A (en) * | 2013-07-11 | 2015-01-14 | 华通电脑股份有限公司 | Circuit board for integrated back light module and manufacturing method of circuit board |
CN104576145A (en) * | 2013-10-28 | 2015-04-29 | 致伸科技股份有限公司 | Light-emitting keyboard device |
CN204332779U (en) * | 2014-12-02 | 2015-05-13 | 常熟精元电脑有限公司 | Prevent the backlight keyboard of side light leak |
US20170004936A1 (en) * | 2015-07-03 | 2017-01-05 | Primax Electronics Ltd. | Luminous keyboard |
CN106340415A (en) * | 2016-08-31 | 2017-01-18 | 苏州达方电子有限公司 | Light emitting keyboard |
-
2017
- 2017-12-05 CN CN201711269452.XA patent/CN109872907B/en not_active Expired - Fee Related
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CN202871648U (en) * | 2012-10-17 | 2013-04-10 | 苏州达方电子有限公司 | Thinned luminous keyboard |
CN203055745U (en) * | 2012-12-19 | 2013-07-10 | 致伸科技股份有限公司 | Keyboard device with luminous keys |
CN104279527A (en) * | 2013-07-11 | 2015-01-14 | 华通电脑股份有限公司 | Circuit board for integrated back light module and manufacturing method of circuit board |
CN104576145A (en) * | 2013-10-28 | 2015-04-29 | 致伸科技股份有限公司 | Light-emitting keyboard device |
CN204332779U (en) * | 2014-12-02 | 2015-05-13 | 常熟精元电脑有限公司 | Prevent the backlight keyboard of side light leak |
US20170004936A1 (en) * | 2015-07-03 | 2017-01-05 | Primax Electronics Ltd. | Luminous keyboard |
CN106340415A (en) * | 2016-08-31 | 2017-01-18 | 苏州达方电子有限公司 | Light emitting keyboard |
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