CN103839715B - Illuminated keyboard - Google Patents
Illuminated keyboard Download PDFInfo
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- CN103839715B CN103839715B CN201210482457.1A CN201210482457A CN103839715B CN 103839715 B CN103839715 B CN 103839715B CN 201210482457 A CN201210482457 A CN 201210482457A CN 103839715 B CN103839715 B CN 103839715B
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- light
- button
- sensor circuit
- circuit pattern
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Abstract
The present invention provides a kind of illuminated keyboard, including multiple straight-down negative light-emitting components, sensor circuit layer, multiple button and multiple light transmission elastic body.When button is near sensor circuit layer, sensor circuit layer can the corresponding contactless push button signalling of generation one, and each straight-down negative light-emitting component is corresponding to a button, and it is arranged at the lower section of corresponding button, and each light transmission elastic body is corresponding to a straight-down negative light-emitting component, and it is arranged between corresponding straight-down negative light-emitting component and corresponding button.The light beam of each straight-down negative light-emitting component is projected to corresponding button after corresponding light transmission elastic body.Straight-down negative light-emitting component is directly arranged at the lower section of button by illuminated keyboard of the present invention design, and by order to make keycap set back and to provide the elastomer of user feel to use the design of printing opacity, so light beam of the carried light of straight-down negative light-emitting component directly in being projected to button after light transmission elastic body, can effectively promote the service efficiency of light.
Description
Technical field
The present invention relates to a kind of keyboard, particularly relate to a kind of keyboard with lighting function.
Background technology
In recent years, owing to the information industry development is rapid, many user may use portable type information under various circumstances
Device, such as notebook computer, mobile phone or personal digital assistant etc..At the environment that light is more weak, user may not see Chu
The numeral indicated on keyboard and word, thus result in operation difficulty, and severe patient is possibly even because of inadequate identification button
Indicate and allow visual impairment.Therefore, the release of illuminated keyboard can improve user and uses the inconvenience of keyboard at insufficient light.
What is more, by different luminous configurations, the massaging device using illuminated keyboard can be made to seem more aesthetically pleasing, and then increase it
Market.
Referring to Fig. 1, it is the structural profile schematic diagram of existing illuminated keyboard.Illuminated keyboard 1 includes reflector 11, leaded light
Plate 12, gripper shoe 13, film circuit board 14, multiple button 15 and side direction type illuminating element 16, wherein, film circuit board 14 wraps
Include lower plywood 141, top plate 142 and the la m between lower plywood and top plate 143, and lower plywood 141, la m
143 and top plate 142 all by made by transparent light guide material, transparent light guide material can be Merlon (PC) or polyethylene
(PET) etc..
Furthermore, please synchronize refering to Fig. 2, it is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 1, lower plywood
141 have the first circuit pattern 1411 being made up of multiple elargol circuits 14111 and multiple lower contacts 14112, and top plate
142 have the second circuit pattern 1421 being made up of multiple elargol circuits 14211 with multiple upper contacts 14212, also, la m
143 have the contact perforate 1431 corresponding to multiple lower contacts 14122 with multiple upper contacts 14212, wherein, each upper contact
14212 corresponding common shape one thin film switches 144 of lower contact 14112.
Also, gripper shoe 13 is arranged at the lower section of film circuit board 14, and there is multiple perforation 131, first fixed structure 132
And second fixed structure 133；And each button 15 includes keycap 151, elastomer 152 and scissor connecting element 153, and
Keycap 151 includes the first keycap fixed structure 1511 and the second keycap fixed structure 1512；And scissor connecting element 153 is wrapped
Include the first framework 1531 and the second framework 1532；Additionally, elastomer 152 is between keycap 151 and film circuit board 141.
Wherein, film circuit board 14 has and passes through for first fixed structure 132 and the second fixed structure 133 respectively
Open-work 145 and open-work 146, the one end 15311 for the first framework 1531 may connect to the second fixed structure 133, and its
The other end 15312 may connect to the first keycap fixed structure 1511, and may connect to for one end 15321 of the second framework 1532
One fixed structure 132, and its other end 15322 may connect to the second keycap fixed structure 1512.
When arbitrary button 15 touched and when moving down relative to gripper shoe 13, the first of scissor connecting element 153
Framework 1531 and the second framework 1532 are changed to closed state by folding condition, and the keycap 151 moved down can extrude elasticity
Body 152 makes elastomer 152 support its corresponding upper contact 14212, and then makes its corresponding upper contact 14212 via relatively
The contact perforate 1431 answered and contact corresponding lower contact 14122, make corresponding thin film switch 144 reach whereby and electrically lead
It is logical, so that illuminated keyboard 1 produces a corresponding push button signalling.And when button 15 is the most touched, keycap 151 can be in response to bullet
The elastic force of gonosome 152 and up move relative to gripper shoe 13, now the first framework 1531 and the second framework 1532 are by folding
Conjunction Status Change is folding condition, and keycap 151 can set back.
Furthermore, side direction type illuminating element 16 is arranged at the side of light guide plate 12, in order to provide light beam to inject light guide plate 12.And
Light guide plate 12 is arranged on reflector 11, and its lower surface has to assemble and multiple light guiding points 121 of scattered beam.Multiple
Light guiding points 121 is set according to the position of corresponding multiple buttons 15.Wherein, when light beam injects light guide plate 12, light beam be able to by
Diffuse to whole light guide plate 12, and light beam up and down can be dissipated for the relation of ink material because of it by multiple light guiding points 121
Penetrating, the light beam up scattered can sequentially be projected to multiple by multiple perforation 131 and the film circuit board 14 of gripper shoe 13
Button 15, and the light beam down scattered can make light beam upwards reflect via the auxiliary of reflector 11 again, so that side direction type illuminating
The light beam that element 16 is provided can be completed utilization.As it has been described above, multiple button 15 can be made to produce the effect of luminescence.Only, existing
Some illuminated keyboards 1 have a shortcoming as described below:
Although the light beam that a reflector 11 can assist multiple light guiding points 121 to scatter downwards reflects upward, but existing luminescence
The material of the reflector 11 of keyboard 1 still can allow a little light beam penetrate, the light that therefore a part is scattered downwards by multiple light guiding points 121
Bundle can penetrate reflector 11 and cause the loss of light quantity.
Although whole light guide plate 12 can be flooded to when two light beams inject light guide plate 12, but due to distance side direction type illuminating
Segment beam is reflected outside light guide plate 12 by element 16 nearer light guiding points 121 so that in light guide plate 12, distance side direction type is sent out
The light quantity in optical element 16 region farther out is come sufficient be not as nearer as the region that distance side direction type illuminating element 16.
Three, longer due to the running stroke of scissor connecting element 153, therefore illuminated keyboard 1 have to have enough skies
Between can make the normal operation of scissor connecting element 153, but the most therefore cannot effectively reduce the thickness of illuminated keyboard 1,
To such an extent as to cannot meet now electronic product towards the external form demand of development light, thin, short and small.
For the explanation of above-mentioned first and second point it is recognized that while existing illuminated keyboard 1 is through side direction type illuminating
Element 16 and the cooperation of light guide plate 12 and make multiple button 15 produce the effect of luminescence, but efficiency of light is the best.Base this,
How to improve under the thinking of efficiency of light, attempt substituting side direction type illuminating element 16 with straight-down negative light-emitting component, and make straight under
Formula light-emitting component is arranged at the lower section of button 15, directly could provide light beam to button 15, obtains preferably light whereby and uses effect
Rate；But, in such practice, straight-down negative light-emitting component is in the lower section of elastomer 152, can hinder elastomer 152 quilt
Shift motion after extruding, therefore user just cannot make corresponding thin film switch 144 reach electrically by depressed key cap 151
Conducting, therefore with straight-down negative light-emitting component substitute side direction type illuminating element 16 and directly provide towards button 15 way of light beam without
Method is embodied on existing illuminated keyboard 1.
Furthermore, because above-mentioned thirdly described defect, there is now a kind of capacitor induction type keyboard and be suggested, it is to borrow
Change the electric field of the circuit board of keyboard during being pressed down by keycap and make circuit board produce the button letter that output one is corresponding
Number；Wherein, it is not necessarily intended to use the related elements such as scissor connecting element due to capacitor induction type keyboard so that capacitor induction type
The integral thickness of keyboard is effectively reduced；But, the most not yet there is the capacitor induction type keyboard of tool illumination effect to be suggested, therefore
In the environment of light is more weak, user may not see numeral and the literary composition that the button on Chu's capacitor induction type keyboard is indicated
Word, thus results in operation difficulty or visual impairment.
Summary of the invention
The main object of the present invention is providing a kind of illuminated keyboard, promotes efficiency of light and noncontact especially with respect to one
The illuminated keyboard of sensing form.
For achieving the above object, in a preferred embodiment, the present invention provides a kind of illuminated keyboard, including:
One sensor circuit layer, in order to produce at least one contactless push button signalling；
At least one button, is arranged at above this sensor circuit layer, in order to touched and make this sensor circuit layer produce this extremely
A few contactless push button signalling；
At least one straight-down negative light-emitting component, is arranged at the lower section of this at least one button, in order to provide a light beam；And
At least one light transmission elastic body, is arranged between this at least one button and this at least one straight-down negative light-emitting component, uses
To provide an elastic force to give this at least one button；
Wherein, this light beam of this at least one straight-down negative light-emitting component is projected to this extremely after this at least one light transmission elastic body
A few button.
In a preferred embodiment, this sensor circuit layer includes a sensor circuit pattern and a sensor circuit plate, and should
Sensor circuit pattern is formed on this sensor circuit plate.
In a preferred embodiment, this sensor circuit layer further includes a light emitting element driving circuit pattern, and this luminescence unit
Part drive circuit pattern is formed on this sensor circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam.
In a preferred embodiment, illuminated keyboard further includes a light emitting element driving circuit plate and a light-emitting component drives
Circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to drive this at least
One straight-down negative light-emitting component provides this light beam；Wherein, this sensor circuit plate be positioned at this light emitting element driving circuit plate and this extremely
Between a few button.
In a preferred embodiment, this sensor circuit layer has at least one circuit corresponding to this at least one light transmission elastic body
Layer perforation.
In a preferred embodiment, this sensor circuit pattern includes at least one first polar circuit pattern and at least one
Two polar circuit patterns, and when this sensor circuit layer is energized, this at least one first polar circuit pattern and this at least one
An electric field is produced between second polar circuit pattern；Wherein, when this at least one button is touched near this sensor circuit pattern
Time, this electric field produces change and makes this sensor circuit layer produce this at least one contactless push button signalling.
In a preferred embodiment, this sensor circuit layer includes a sensor circuit pattern and a sensor film wiring board,
This sensor circuit pattern is formed on this sensor film wiring board.
In a preferred embodiment, this sensor circuit layer further includes a light emitting element driving circuit pattern, and this luminescence unit
Part drive circuit pattern is formed on this sensor film wiring board, in order to drive this at least one straight-down negative light-emitting component to provide this light
Bundle.
In a preferred embodiment, illuminated keyboard further includes a light emitting element driving circuit plate and a light-emitting component drives
Circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to drive this at least
One straight-down negative light-emitting component provides this light beam；Wherein, this sensor film wiring board be positioned at this light emitting element driving circuit plate and
Between this at least one button.
In a preferred embodiment, this sensor circuit layer has at least one circuit corresponding to this at least one light transmission elastic body
Layer perforation.
In a preferred embodiment, this sensor film wiring board is by polyethylene terephthalate (PET) material, poly-carbonic acid
Made by ester (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material.
In a preferred embodiment, this sensor circuit pattern includes at least one first polar circuit pattern and at least one
Two polar circuit patterns, and when this sensor circuit layer is energized, this at least one first polar circuit pattern and this at least one
An electric field is produced between second polar circuit pattern；Wherein, when this at least one button is touched near this sensor circuit pattern
Time, this electric field produces change and makes this sensor circuit layer produce this at least one Non-contact key switch signal.
In a preferred embodiment, this at least one button includes:
One keycap, is revealed in the outside of this illuminated keyboard；And
One conductor, is arranged between this keycap and this at least one light transmission elastic body, and along with this keycap moves；Wherein,
When this keycap is touched, this at least one light transmission elastic body is compressed by this conductor, and this conductor is downwards near this sensor circuit
Layer and make this sensor circuit layer produce this at least one contactless push button signalling.
In a preferred embodiment, this conductor includes that conductive material, conductive material include a conducting foam, a metal material
Or a metallic paint.
In a preferred embodiment, illuminated keyboard further includes a gripper shoe, be arranged at this sensor circuit layer and this at least
Between one button, it is connected in this gripper shoe with for this at least one button, and this gripper shoe has at least one gripper shoe perforation,
Bore a hole through this at least one gripper shoe with for this conductor or this at least one light transmission elastic body.
In a preferred embodiment, this at least one button further includes a connecting element, is connected to this gripper shoe and this key
Between cap, and this keycap is made to move up and down relative to this gripper shoe.
In a preferred embodiment, this connecting element is a scissor connecting element.
In a preferred embodiment, this at least one button further includes:
One key frame, has an accommodating hole, and this accommodating hole is embedded in this accommodating hole with for this keycap；And
Multiple elastic arms, in order to make this keycap move up and down relative to this sensor circuit layer, in each elastic arm includes one
Fix arm, outer movable arm and one jiao of transition part, and this angle transition part and be connected to this interior fixing arm and this outer work
Between swing arm portion.
In a preferred embodiment, this at least one light transmission elastic body is formed with multiple micro structure, in order to change through this
The transmission path of this light beam of multiple micro structures.
In a preferred embodiment, any one in the plurality of micro structure is V-arrangement cutting (V-CUT) structure or a texture
Patterning.
In a preferred embodiment, this at least one light transmission elastic body is provided with a lenticular body, in order to change through this extremely
The transmission path of this light beam of a few light transmission elastic body.
In a preferred embodiment, this at least one light transmission elastic body is a lenticular body, at least one saturating in order to change through this
The transmission path of this light beam of optic elastic body.
In a preferred embodiment, illuminated keyboard further includes a metal base plate, is arranged at below this sensor circuit layer.
In a preferred embodiment, this at least one straight-down negative light-emitting component is a light emitting diode.
In a preferred embodiment, illuminated keyboard is a capacitor induction type illuminated keyboard.
In a preferred embodiment, illuminated keyboard further includes a shading element, and it is formed at this at least one light transmission elastic body
Surface.
In a preferred embodiment, this shading element is a black out ink.
Straight-down negative light-emitting component is directly arranged at the lower section of button by illuminated keyboard of the present invention design, and will be in order to make keycap
Set back and provide the elastomer of user feel to use the design of printing opacity, the light beam of such carried light of straight-down negative light-emitting component
Directly in being projected to button after light transmission elastic body, can effectively promote the service efficiency of light.
Accompanying drawing explanation
Fig. 1 is the structural profile schematic diagram of existing illuminated keyboard.
Fig. 2 is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 1.
Fig. 3 is the illuminated keyboard of the present invention structural side view in the first preferred embodiment.
Fig. 4 is sensor circuit layer and the structural representation of drive circuit board of illuminated keyboard shown in Fig. 3.
Fig. 5 is the structure top view of the keycap of illuminated keyboard shown in Fig. 3.
Fig. 6 is preferably the implementing concept and show of transmission region enabling to diffuse to keycap through the light beam of light transmission elastic body
It is intended to.
Fig. 7 is to enable another of transmission region diffusing to keycap through the light beam of light transmission elastic body preferably to implement concept
Schematic diagram.
Fig. 8 is the structural representation of a preferable texture patterning.
Fig. 9 is the illuminated keyboard of the present invention structural side view in the second preferred embodiment.
Figure 10 is the illuminated keyboard of the present invention structural side view in the 3rd preferred embodiment.
Figure 11 is the illuminated keyboard of the present invention structural side view in the 4th preferred embodiment.
Figure 12 is the structural representation of the sensor circuit layer of illuminated keyboard shown in Figure 11.
Figure 13 is the illuminated keyboard of the present invention structural side view in the 5th preferred embodiment.
Figure 14 is the illuminated keyboard of the present invention structural side view in the 6th preferred embodiment.
Figure 15 is the perspective exploded view of the button of illuminated keyboard shown in Figure 14.
Figure 16 is the button of illuminated keyboard view when the most touched shown in Figure 14.
Figure 17 is the button of illuminated keyboard view when touched shown in Figure 14.
Figure 18 is the conceptual schematic view being formed with shading element in a preferable light transmission elastic body.
Figure 19 is the conceptual schematic view being formed with shading element in another preferable light transmission elastic body.
Wherein, description of reference numerals is as follows:
1 illuminated keyboard 2 illuminated keyboard
2A illuminated keyboard 2B illuminated keyboard
2C illuminated keyboard 2D illuminated keyboard
2E illuminated keyboard 11 reflector
12 light guide plate 13 gripper shoes
14 film circuit board 15 buttons
16 side direction type illuminating element 21 bases
22 light emitting element driving circuit plate 23 gripper shoes
24 sensor circuit layer 24C sensor circuit layer
25 button 26 straight-down negative light-emitting components
27 light transmission elastic body 28 metal base plates
29 buttons 131 are bored a hole
132 first fixed structure 133 second fixed structures
141 lower plywood 142 top plates
143 la m 144 thin film switches
145 open-work 146 open-works
151 keycap 152 elastomers
153 scissor connecting element 221 light emitting element driving circuit patterns
231 gripper shoes are bored a hole 232 first fixed structures
233 second fixed structure 241 sensor circuit plates
242 sensor circuit pattern 243 circuit layer perforation
244 sensor film wiring board 245 sensor film wiring boards
251 keycap 252 conductors
253 connecting element 271 lenticular bodies
272 micro structure 273 texture patternings
291 keycap 293 key frames
294 elastic arm 1,411 first circuit patterns
1421 second circuit pattern 1431 contact perforates
1511 first keycap fixed structure 1,512 second keycap fixed structures
1531 first framework 1,532 second frameworks
2421 first polar circuit pattern 2,422 second polar circuit patterns
2423 capacitance key switch 2,511 first keycap fixed structures
2512 second keycap fixed structure 2513 transmission regions
2531 first framework 2,532 second frameworks
Arm is fixed in 2931 accommodating holes 2941
2942 outer movable 2943 jiaos of transition parts of arm
14111 elargol circuit 14112 times contacts
14211 elargol circuit 14212 upper contacts
The other end of one end 15,312 first framework of 15311 first frameworks
The other end of one end 15,322 second framework of 15321 second frameworks
The other end of one end 25,312 first framework of 25311 first frameworks
The other end of one end 25,322 second framework of 25321 second frameworks
L light beam
Detailed description of the invention
Referring to Fig. 3 and Fig. 4, Fig. 3 is the illuminated keyboard of the present invention structural side view in the first preferred embodiment, Fig. 4
Sensor circuit layer and the structural representation of drive circuit board for illuminated keyboard shown in Fig. 3.Illuminated keyboard 2 includes from bottom to top
Sequentially include base 21, light emitting element driving circuit plate 22, sensor circuit layer 24, gripper shoe 23 and multiple button 25, and send out
Light keyboard 2 also includes the multiple straight-down negative light-emitting components 26 corresponding to multiple buttons 25 and corresponding to multiple straight-down negative luminescences unit
Multiple light transmission elastic body 27 of part 26；Wherein, base 21 in order to carry light emitting element driving circuit plate 22, sensor circuit layer 24,
Gripper shoe 23, multiple button 25, multiple straight-down negative light-emitting component 26 and multiple light transmission elastic body 27, and light-emitting component driving electricity
Being formed with light emitting element driving circuit pattern 221 on road plate 22, each straight-down negative light-emitting component 26 is electrically connected at light-emitting component
Drive circuit pattern 221 so that straight-down negative light-emitting component 26 can be driven by light emitting element driving circuit plate 22 and provide light beam.
Also, each light transmission elastic body 27 be arranged at corresponding button 25 and corresponding straight-down negative light-emitting component 26 it
Between, owing to light transmission elastic body 27 has the effect of printing opacity, as by made by light-transmitting materials, therefore each straight-down negative light-emitting component 26 institute
The light beam provided can be in being projected to corresponding button 25 after corresponding light transmission elastic body 27.In this preferred embodiment
In, straight-down negative light-emitting component 26 is light emitting diode, but is not limited thereto, and button 25, straight-down negative light-emitting component 26 and
The quantity of light transmission elastic body 27 three is the most not defined identical, and those of ordinary skill in the art can be according to practical application request
Carry out the change design of any equalization.
Furthermore, in this preferred embodiment, illuminated keyboard 2 is a condenser type illuminated keyboard, and sensor circuit layer 24 is one
Capacitive induction circuit layer, and include sensor circuit plate 241 and the sensor circuit pattern being formed on sensor circuit plate 241
242；Wherein, sensor circuit plate 241 can be one to include the printed circuit board (PCB) of metal-insulator substrate (such as traditional printed circuit
Plate, but be not limited), and sensor circuit pattern 242 includes multiple first polar circuit pattern 2421 and corresponding to multiple
Multiple second polar circuit patterns 2422 of the first polar circuit pattern 2421；Wherein, each first polar circuit pattern 2421
And there is between the second corresponding polar circuit pattern 2422 spacing distance, and each first polar circuit pattern 2421 and phase
The second corresponding polar circuit pattern 2422 forms a capacitance key switch 2423, when sensor circuit layer 24 is energized, often
An electric field can be produced, if now between one first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422 thereof
Wherein an electric field is changed, and the most corresponding capacitance key switch 2423 can be excited, and makes sensor circuit layer 24 produce output
One contactless push button signalling；Additionally, sensor circuit layer 24 also includes the multiple circuit corresponding to multiple light transmission elastic body 27
Layer perforation 243.
Supplementary notes be, although above-mentioned each first polar circuit pattern 2421 and the second corresponding polar circuit thereof
Pattern 2421 is spaced apart with the arrangement mode in same level, but is not limited thereto, each first polar circuit figure
Case 2421 and the second corresponding polar circuit pattern 2422 thereof can also be on different level arrangement mode interval
Come, say, that each first polar circuit pattern 2421 may be disposed at its second corresponding polar circuit pattern 2422
Above or below, and can be between each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422 thereof
Coat or print a spacer portion (such as UV glue), making each first polar circuit pattern 2421 and the second corresponding polarity electricity thereof
Perpendicular interval between road pattern 2422.
Additionally, the mode of the above-mentioned output key signal by capacitive induction and start principle thereof are the common skill in this area
Art personnel known, is the most no longer repeated at this, and only sensor circuit pattern shown in Fig. 4 242 is only an embodiment, not with this
The form of limitation sensor circuit pattern, those of ordinary skill in the art can carry out the change of any equalization according to practical application request
Change design.For example, sensor circuit layer 24 also can be an electromagnetic type sensor circuit layer etc. be non-contact induction form equally
Sensor circuit layer.
Referring once again to Fig. 3, gripper shoe 23 is attached to for multiple buttons 25, and multiple button 25 be arranged at right
Should be in place of multiple capacitance keys switch 2423, and each button 25 all has keycap 251, conductor 252 and connecting element
253；Wherein, each connecting element 253 is arranged between gripper shoe 23 and corresponding keycap 251, in order to connect gripper shoe
23 and corresponding keycap 251, and make corresponding keycap 251 can move up and down relative to gripper shoe 23, and each conductor
252 are connected to below corresponding keycap 251, and to move along with corresponding keycap 251, and conductor 252 includes a conduction material
Matter, such as conducting foam, metal material, graphite or metallic paint etc., but is not limited；Additionally, gripper shoe 23 has corresponding to many
Multiple gripper shoes perforation 231 of individual button 25, and the perforation 231 of each gripper shoe is with for corresponding conductor 252 or corresponding
Light transmission elastic body 27 pass through.
In this preferred embodiment, connecting element 253 is a scissor connecting element, and include the first framework 2531 and
Second framework 2532；And gripper shoe 23 has more first fixed structure 232 and the second fixed structure 233, and each button 25
Keycap 251 all include one first keycap fixed structure 2511 and one second keycap fixed structure 2512.Wherein, the first framework
One end 25311 of 2531 may connect to the second fixed structure 233, and its other end 25312 may connect to the first keycap fixed knot
Structure 2511, and one end 25321 of the second framework 2532 may connect to first fixed structure 232, and its other end 25322 can connect
In the second keycap fixed structure 2512.Certainly, above are only an enforcement aspect, do not limit this case connecting element 253 with this, prop up
Connection relationship between fagging 23 and keycap 251.
Also, in this preferred embodiment, when arbitrary keycap 251 touched and when moving down relative to gripper shoe 23, phase
First framework 2531 of corresponding connecting element 253 and the second framework 2532 are changed to closed state by folding condition, and relatively
The conductor 252 answered can move down and close sensor circuit pattern 242 along with this arbitrary keycap 251, the most corresponding first
Electric field between polar circuit pattern 2421 and the second polar circuit pattern 2422 can produce change, and then makes corresponding
Capacitance key switch 2423 is excited, and makes sensor circuit layer 24 produce the contactless push button signalling that output is corresponding.
Wherein, move down and close sensor circuit pattern 242 along with this arbitrary keycap 251 in corresponding conductor 252
During, corresponding conductor 252 can be expressed to corresponding light transmission elastic body 27, and makes corresponding light transmission elastic body 27
An elastic force is provided to give keycap 251；And when this arbitrary keycap 251 is the most touched, keycap 251 can be in response to light transmission elastic body 27
Elastic force and up move relative to sensor circuit layer 24, now the first framework 2531 and the second framework 2532 can be by overlapping shapes
State is changed to folding condition, and keycap 251 sets back.Additionally, the elastic force that light transmission elastic body 27 is provided not only can make by
Keycap 251 after pressing sets back, and also can provide the feedback feel that user presses keycap 251.
Refer to Fig. 5, its structure top view being the keycap of illuminated keyboard shown in Fig. 3.Keycap 251 has at least one printing opacity
Region 2513, transmission region 2513 can include a symbol shape, a numerical switch or a word shape；Therefore work as straight-down negative
The light beam that light-emitting component 26 is provided is after being projected to corresponding keycap 251 through light transmission elastic body 27, and those light beams are i.e.
Outwards can export from the transmission region 2513 of keycap 251, user is it is seen that symbol luminous on button 25, numeral whereby
Or word, overcome the operation difficulty caused in the environment of light is more weak.
In general, transmission region 2513 is designed at the corner of keycap 251, but, due to light transmission elastic body 27 and keycap
The distance of 251 is too short, therefore the light beam after light transmission elastic body 27 cannot refract to be positioned at the printing opacity in keycap 251 corner effectively
Region 2513, say, that most light beam is the zone line being projected to keycap 251, therefore the service efficiency of light is more
The best.
Base this, in this preferred embodiment, light transmission elastic body 27 can be a lenticular body (such as convexoconcave lens, but not as
Limit), say, that make light transmission elastic body 27 have lens function by the shape being specifically designed light transmission elastic body 27, with
Change the transmission path of the light beam through light transmission elastic body 27, even if the light beam through light transmission elastic body 27 can be towards keycap
The direction conduct of the transmission region 2513 of 251.Certainly, above are only the beam spread made through light transmission elastic body 27 to keycap
A kind of embodiment of the transmission region 2513 of 251, those of ordinary skill in the art can carry out according to practical application request appointing
The change design what is impartial.
For example, referring to Fig. 6, it is the transmission region enabling to diffuse to keycap through the light beam of light transmission elastic body
One preferably implement conceptual schematic view.Fig. 6 illustrates to be additionally provided with in light transmission elastic body 27 lenticular body 271, and therefore light beam is in wearing
Lenticular body 271 can be subsequently passed through after crossing light transmission elastic body 27, change the transmission path of light beam whereby, say, that make through thoroughly
The light beam of mirror body 271 can be towards the direction conduct of the transmission region of keycap.
The most for example, referring to Fig. 7, it is the transparent area enabling to diffuse to keycap through the light beam of light transmission elastic body
Another of territory preferably implements conceptual schematic view.Fig. 7 illustrates have multiple micro structure 272, therefore light beam in light transmission elastic body 27
In the direction that can change conduct after multiple micro structures 272, say, that enable through micro structure 272 light beam towards
The direction conduct of the transmission region of keycap.Supplementary notes, the micro structure 272 shown in Fig. 7 is V-arrangement cutting (V-CUT) structure,
But being not limited, also can be that texture patterning 273 is formed on the surface of light transmission elastic body 27 such as micro structure, it be such as Fig. 8
Shown in.Only, the above-mentioned various enforcements enabling to diffuse to the transmission region 2513 of keycap 251 through the light beam of light transmission elastic body 27
Purposes of discussion as a example by example, and be not used to limit the scope of the present invention.
Referring to Fig. 9, it is the illuminated keyboard of the present invention structural side view in the second preferred embodiment.Wherein, the most relatively
The illuminated keyboard 2A of good embodiment is approximately similar to person described in this case the first preferred embodiment, is the most no longer repeated at this.
And this preferred embodiment and aforementioned first preferred embodiment difference are, illuminated keyboard 2A also includes metal base plate 28, its
It is arranged at the lower section of sensor circuit layer 24, in order to provide a worn-out effect of screen to prevent wantonly two adjacent capacitance key switches 2423
There is the interference on electric field.
Special instruction, those of ordinary skill in the art all can by the enlightenment obtained in this second preferred embodiment,
And the metal base plate 28 in the second preferred embodiment is applied in following each preferred embodiment.
Referring to Figure 10, it is the illuminated keyboard of the present invention structural side view in the 3rd preferred embodiment.Wherein, the most relatively
The illuminated keyboard 2B of good embodiment is approximately similar to person described in this case the first preferred embodiment, is the most no longer repeated at this.
And this preferred embodiment and aforementioned first preferred embodiment difference are, this preferred embodiment is with sensor film wiring board
244 substitute the sensor circuit plate 241 in the first preferred embodiment；Preferably, sensor film wiring board 244 can be by polyethylene to benzene
Dicarboxylic acid esters (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA)
Made by material, but it is not limited.
Referring to Figure 11 and Figure 12, Figure 11 is the illuminated keyboard of the present invention structural side view in the 4th preferred embodiment,
Figure 12 is the structural representation of the sensor circuit layer of illuminated keyboard shown in Figure 11.Wherein, the illuminated keyboard 2C of this preferred embodiment
It is approximately similar to person described in this case the first preferred embodiment, is the most no longer repeated at this.And this preferred embodiment is with aforementioned
First preferred embodiment difference is, light emitting element driving circuit pattern 221 is formed on sensor circuit plate 241, specifically
It, light emitting element driving circuit pattern 221 is formed at above or below sensor circuit pattern 242, and can drive in light-emitting component
Move and coat between circuit pattern 221 and sensor circuit pattern 242 or print a spacer portion (such as UV glue), make light-emitting component drive
Circuit pattern 221 and the perpendicular interval of sensor circuit pattern 242.Therefore in this preferred embodiment, straight-down negative light-emitting component
26 can be directly arranged on sensor circuit layer 24, say, that this preferred embodiment need not sending out in the first preferred embodiment
Optical element drive circuit board 22, and sensor circuit layer 24C is without holes.
Referring to Figure 13, it is the illuminated keyboard of the present invention structural side view in the 5th preferred embodiment.Wherein, the most relatively
The illuminated keyboard 2D of good embodiment is approximately similar to person described in this case the 4th preferred embodiment, is the most no longer repeated at this.
And this preferred embodiment and aforementioned 4th preferred embodiment difference are, this preferred embodiment is with sensor film wiring board
245 substitute the sensor circuit plate 241 in the 4th preferred embodiment；Preferably, sensor film wiring board 245 can be by polyethylene to benzene
Dicarboxylic acid esters (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA)
Made by material, but it is not limited.
Special instruction, although through gripper shoe 23 and scissor connecting element 253 in the various embodiments described above
Collocation makes keycap 251 can move up and down relative to sensor circuit layer 24,24C with conductor 252, but this is only one and makes keycap
The 251 enforcement means moved up and down relative to sensor circuit layer 24,24C with conductor 252, those of ordinary skill in the art can foundation
Practical application request and carry out any equalization change design, and gripper shoe 23 and scissor connecting element 253 not be use
To limit the necessary element of this case.
For example, referring to Figure 14～Figure 17, Figure 14 is the illuminated keyboard of the present invention knot in the 6th preferred embodiment
Structure side view, Figure 15 is the perspective exploded view of the button of illuminated keyboard shown in Figure 14, and Figure 16 is illuminated keyboard shown in Figure 14
Button view when the most touched, Figure 17 is that the button of illuminated keyboard state when touched shown in Figure 14 shows
It is intended to.Wherein, the illuminated keyboard 2E of this preferred embodiment be approximately similar to this case first preferably implement described in person, at this most not
Repeated again.
This preferred embodiment is with aforementioned first preferred embodiment difference, and illuminated keyboard 2E does not include gripper shoe
23, and multiple button 29 is directly arranged on sensor circuit layer 24；Furthermore, each button 29 has keycap 291, conductor
292, key frame 293 and many elastic arms 294, and each elastic arm 294 is flat rib-like, and include interior fixing arm
2941 vertical with interior fixing arm 2941 outer movable arms 2942 and be connected to interior fixing arm 2941 and outer lever arm
Angle transition part 2943 between portion 2942；Wherein, it is chimeric in the inner for keycap 251 that key frame 293 has accommodating hole 2931, each
The fixing arm 2941 of elastic arm 294 is fixed on the bottom of keycap 251, and the outer movable arm 2942 of each elastic arm 294 from
Key frame 293 is exposed and be fixed in the bottom of keycap 251, and a part for the angle transition part 2943 of each elastic arm 294 is from keycap
Exterior angle bottom 251 is exposed.
Furthermore, when arbitrary keycap 251 is the most touched, the outer movable arm 2942 of each elastic arm 294 and angle transition
Portion 2943 does not all deform, and it is as shown in figure 16；And the exterior angle meeting when this arbitrary keycap 251 is touched, bottom keycap 251
Oppress the angle transition part 2943 of each elastic arm 294, make outer movable arm 2942 and the angle transition part of each elastic arm 294
2943 all there is elastic deformation, its as shown in figure 17, and conductor 292 can along with keycap 251 close towards sensor circuit layer 24, and
Corresponding light transmission elastic body 27 is also pressed down against, and the most corresponding capacitance key switch is excited and makes sensor circuit
Layer 24 produces the corresponding contactless push button signalling of output, and (not indicating capacitance key switch in figure, so its start principle is such as
It is same as person described in the first preferred embodiment).Also, after this arbitrary keycap 251 is stopped and presses, each elastic arm 294 and
Corresponding light transmission elastic body 27 can provide elastic force, makes this arbitrary keycap 251 set back.
Special instruction, this preferred embodiment provides one and does not use gripper shoe and scissor connecting element to make
The means that are embodied as that keycap can move up and down relative to sensor circuit layer with conductor, therefore can effectively make illuminated keyboard more slim
Changing, so it is only a kind of embodiment, is not limited thereto.Also, those of ordinary skill in the art all can be the most real by this case the 6th
Execute the enlightenment obtained in example, and the press-key structure in the 6th preferred embodiment is applied to aforementioned first preferred embodiment to
In five preferred embodiments.
Also, better, the surface of the light transmission elastic body in the various embodiments described above is also formed with shading element, such as shading oil
Ink, to prevent light beam that straight-down negative light-emitting component provided, towards the direction, both sides of light transmission elastic body or to be not required to the direction of light source past
Outer loss.In detail, referring to Figure 18 and Figure 19, Figure 18 is that the concept being formed with shading element in a preferable light transmission elastic body is shown
Being intended to, Figure 19 is the conceptual schematic view being formed with shading element in another preferable light transmission elastic body；Wherein, Figure 18 illustrates printing opacity
The outer surface of elastomer 27 is formed with shading element 20, therefore the light beam L that straight-down negative light-emitting component 26 is provided cannot pass printing opacity
Elastomer 27, and the region being only formed without shading element 27 is passed through for light beam L；And Figure 19 illustrates light transmission elastic body 27
Inner surface is formed with shading element 27, and the most similarly, the light beam L that straight-down negative light-emitting component 26 is provided cannot pass printing opacity bullet
Gonosome 27, and the region being only formed without shading element 27 is passed through for light beam L.
According to above explanation, straight-down negative light-emitting component is directly arranged at button by illuminated keyboard of the present invention design
Lower section, and by order to make keycap set back and to provide the elastomer of user feel to use the design of printing opacity, such straight-down negative
The light beam of the carried light of light-emitting component directly in being projected to button after light transmission elastic body, can effectively promote the service efficiency of light；
Additionally, due to illuminated keyboard of the present invention be use noncontact sensing form sensor circuit layer, therefore by straight-down negative light-emitting component with
And light transmission elastic body is directly arranged at the lower section of button and can't affect the running of sensor circuit layer, also improve existing non-simultaneously
The keyboard of contact induction form does not have the defect of lighting function, the actually invention of a great industry applications.
The foregoing is only presently preferred embodiments of the present invention, be not limited to scope of the presently claimed invention, therefore
All other changes without departing from the equivalence completed under disclosed spirit or modifies, and the right being intended to be limited solely by this case is wanted
In the range of asking.
Claims (25)
1. an illuminated keyboard, it is characterised in that including:
One sensor circuit layer, in order to produce at least one contactless push button signalling；
At least one button, is arranged at above this sensor circuit layer, in order to touched and make this sensor circuit layer produce described at least
One contactless push button signalling；
At least one straight-down negative light-emitting component, be arranged at described in the lower section of at least one button, in order to provide a light beam；And
At least one light transmission elastic body, be arranged at described between at least one button and described at least one straight-down negative light-emitting component, use
With provide an elastic force give described at least one button, wherein said at least one light transmission elastic body is provided with a lenticular body, in order to
Change the transmission path of this light beam through described at least one light transmission elastic body；
Wherein, this light beam of described at least one straight-down negative light-emitting component is projected to described after passing described at least one light transmission elastic body
At least one button.
2. illuminated keyboard as claimed in claim 1, wherein this sensor circuit layer includes a sensor circuit pattern and a sensing
Circuit board, and this sensor circuit pattern is formed on this sensor circuit plate.
3. illuminated keyboard as claimed in claim 2, wherein this sensor circuit layer also includes a light emitting element driving circuit pattern,
And this light emitting element driving circuit pattern is formed on this sensor circuit plate, in order at least one straight-down negative light-emitting component described in driving
This light beam is provided.
4. illuminated keyboard as claimed in claim 2, also includes that a light emitting element driving circuit plate and a light-emitting component drive
Circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to described in driving extremely
A few straight-down negative light-emitting component provides this light beam；Wherein, this sensor circuit plate is positioned at this light emitting element driving circuit plate and institute
State between at least one button.
5. illuminated keyboard as claimed in claim 4, wherein this sensor circuit layer has corresponding to described at least one printing opacity elastic
At least one circuit layer perforation of body.
6. illuminated keyboard as claimed in claim 2, wherein this sensor circuit pattern includes at least one first polar circuit pattern
And at least one second polar circuit pattern, and when this sensor circuit layer is energized, described at least one first polar circuit figure
An electric field is produced between case and described at least one second polar circuit pattern；Wherein, when described at least one button is touched
When this sensor circuit pattern, this electric field produces change and makes at least one contactless button described in the generation of this sensor circuit layer
Signal.
7. illuminated keyboard as claimed in claim 1, wherein this sensor circuit layer includes a sensor circuit pattern and a sensing
Film circuit board, this sensor circuit pattern is formed on this sensor film wiring board.
8. illuminated keyboard as claimed in claim 7, wherein this sensor circuit layer also includes a light emitting element driving circuit pattern,
And this light emitting element driving circuit pattern is formed on this sensor film wiring board, luminous in order at least one straight-down negative described in driving
Element provides this light beam.
9. illuminated keyboard as claimed in claim 7, also includes that a light emitting element driving circuit plate and a light-emitting component drive
Circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to described in driving extremely
A few straight-down negative light-emitting component provides this light beam；Wherein, this sensor film wiring board be positioned at this light emitting element driving circuit plate with
And between described at least one button.
10. illuminated keyboard as claimed in claim 9, wherein this sensor circuit layer has corresponding to described at least one printing opacity elastic
At least one circuit layer perforation of body.
11. illuminated keyboards as claimed in claim 7, wherein this sensor film wiring board is by polyethylene terephthalate material
Made by matter, Merlon material, thermoplastic polyurethanes or acryl plastic cement material.
12. illuminated keyboards as claimed in claim 7, wherein this sensor circuit pattern includes at least one first polar circuit pattern
And at least one second polar circuit pattern, and when this sensor circuit layer is energized, described at least one first polar circuit figure
An electric field is produced between case and described at least one second polar circuit pattern；Wherein, when described at least one button is touched
When this sensor circuit pattern, this electric field produces change and makes at least one contactless button described in the generation of this sensor circuit layer
Signal.
13. illuminated keyboards as claimed in claim 1, wherein said at least one button includes:
One keycap, is revealed in the outside of this illuminated keyboard；And
One conductor, is arranged between this keycap and described at least one light transmission elastic body, and along with this keycap moves；Wherein, when
When this keycap is touched, described at least one light transmission elastic body is compressed by this conductor, and this conductor is downwards near this sensor circuit layer
And make at least one contactless push button signalling described in the generation of this sensor circuit layer.
14. illuminated keyboards as claimed in claim 13, wherein this conductor is a conducting foam or a metal material.
15. illuminated keyboards as claimed in claim 14, wherein this conductor is a metallic paint.
16. illuminated keyboards as claimed in claim 13, also include a gripper shoe, be arranged at this sensor circuit layer and described extremely
Between a few button, it is connected in this gripper shoe with for described at least one button, and this gripper shoe has at least one gripper shoe
Perforation, bores a hole through described at least one gripper shoe with for this conductor or described at least one light transmission elastic body.
17. illuminated keyboards as claimed in claim 16, wherein said at least one button also includes a connecting element, is connected to this
Between gripper shoe and this keycap, and this keycap is made to move up and down relative to this gripper shoe.
18. illuminated keyboards as claimed in claim 17, wherein this connecting element is a scissor connecting element.
19. illuminated keyboards as claimed in claim 13, wherein said at least one button also includes:
One key frame, has an accommodating hole, and this accommodating hole is embedded in this accommodating hole with for this keycap；And
Multiple elastic arms, in order to make this keycap move up and down relative to this sensor circuit layer, in each described elastic arm includes one
Fix arm, outer movable arm and one jiao of transition part, and this angle transition part and be connected to this interior fixing arm and this outer work
Between swing arm portion.
20. illuminated keyboards as claimed in claim 1, wherein said at least one light transmission elastic body is a lenticular body, in order to change
Transmission path through this light beam of described at least one light transmission elastic body.
21. illuminated keyboards as claimed in claim 1, also include a metal base plate, are arranged at below this sensor circuit layer.
22. illuminated keyboards as claimed in claim 1, wherein said at least one straight-down negative light-emitting component is a light emitting diode.
23. illuminated keyboards as claimed in claim 1, wherein said illuminated keyboard is a capacitor induction type illuminated keyboard.
24. illuminated keyboards as claimed in claim 1, also include a shading element, its be formed at described at least one printing opacity elastic
The surface of body.
25. illuminated keyboards as claimed in claim 24, wherein this shading element is a black out ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482457.1A CN103839715B (en) | 2012-11-23 | 2012-11-23 | Illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482457.1A CN103839715B (en) | 2012-11-23 | 2012-11-23 | Illuminated keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103839715A CN103839715A (en) | 2014-06-04 |
| CN103839715B true CN103839715B (en) | 2016-12-21 |
Family
ID=50803113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210482457.1A Expired - Fee Related CN103839715B (en) | 2012-11-23 | 2012-11-23 | Illuminated keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103839715B (en) |
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