CN105185631B - Press-key structure and input unit - Google Patents
Press-key structure and input unit Download PDFInfo
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- CN105185631B CN105185631B CN201510349550.9A CN201510349550A CN105185631B CN 105185631 B CN105185631 B CN 105185631B CN 201510349550 A CN201510349550 A CN 201510349550A CN 105185631 B CN105185631 B CN 105185631B
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- protuberance
- sensing unit
- layer
- haptics generators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/002—Actuators integral with membrane
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- Push-Button Switches (AREA)
Abstract
The present invention is on a kind of press-key structure and uses its input unit, the press-key structure is included, the key cap layer with keycap area, the supporting layer being arranged at below key cap layer, the power conduction unit being arranged at below key cap layer and the sensing unit being arranged at below power conduction unit.Supporting layer has opening, and opening corresponds to keycap area, and power conduction unit has protuberance, and protruding parts are in opening.When the external world applies pressing force, pressing force is transmitted downwards by power conduction unit, is oppressed sensing unit to trigger sensing unit by the bottom surface of protuberance, sensing unit is exported trigger signal.The present invention reaches slimming by the structure of stacking, while by power conduction unit as power conducting shell, and supporting layer is as support structure layers, not only can ensure that haptics generators have suitable vibrations space, can more reduce the possibility of false triggering sensing unit.
Description
Technical field
Present invention relates generally to a kind of press-key structure, specifically, the present invention has the design of power conducting path on one kind
Press-key structure and input unit with this press-key structure.
Background technology
Increasingly increase with the slimming requirement of electronic installation, applicable press-key structure is highly significant to be reduced.Therefore, it is known
The larger mechanical key structure of pressing stroke is gradually replaced by small Stroke Key or touching formula button.However, with row
The diminution of journey is inputted using touching formula, and user is generally difficult to experience pressing feedback, causes user can not confirm pressing
Whether operation completes, and causes operational puzzlement.
It is existing at present that vibrations are produced with electromagnetic shaker to provide the design that user presses feedback, but this design is typically both
Some press-key structures add electromagnetic shaker, or electromagnetic shaker and press-key structure integration with complicated circuit and supported design, no
Beneficial to slimming.Furthermore, the screen keyboard of running gear, such as tablet personal computer or Smartphone, although when finger is touched
Vibrations feedback can be provided, point out user to complete pressing operation.However, it is such provide vibrations feedback device be typically make it is whole
Individual device shakes together, or shakes some face of device, it is impossible to provides the independent feedback with part, is unfavorable for operation true
Recognize.
Further, since such keyboard has no effective power bang path when user presses, lower section induction zone is often resulted in
Can not effectively it be triggered because not experiencing pressing force.On the other hand, the induction line in induction zone is also possible to because above-mentioned
The addition of electromagnetic shaker or other mechanisms, is but triggered when that should not be triggered, and generates the trigger signal of mistake.
The content of the invention
One of present invention purpose is to provide a kind of press-key structure and the input unit with this press-key structure, and it has many
Laminar membrane structure, effectively reduces button size, increases applicability.
One of present invention purpose is to provide a kind of press-key structure and the input unit with this press-key structure, and it has
The sensing unit of power conduction unit and correspondingly-shaped, is effectively increased the effect and reduction false touch chance of power conduction.
One of present invention purpose is to provide a kind of press-key structure with haptic feedback function and with this press-key structure
Input unit, to provide independent and local pressing feedback, lift the use experience of user.
In an embodiment, the present invention provides a kind of press-key structure, and it includes key cap layer, supporting layer, power conduction unit, sensing
Unit and control circuit.Key cap layer has keycap area；Supporting layer is arranged at below key cap layer, and with opening.Power conduction unit
It is at least partially arranged at below supporting layer, and power conduction unit includes diaphragm portion and protuberance.Diaphragm portion has through hole, and protrudes
Then extend from around through hole in portion；Wherein through hole and protuberance is respectively positioned in the opening of supporting layer.Sensing unit is arranged at power
Below conduction unit, the exportable trigger signal when sensing unit is triggered.When the external world applies pressing force, the pressing force passes through
Power conduction unit is transmitted downwards, and the bottom surface compressing sensing unit of protuberance makes sensing unit output triggering to trigger sensing unit
Signal.
As optional technical scheme, the sensing unit is membrane switches, and the thin film switch has induction zone, the sensing
Area has a plurality of switching circuits, and wherein, the shape of the induction zone is similar to the protuberance shape.
It is used as optional technical scheme, it is characterised in that the shape of the induction zone and the protuberance shape are all U-shaped.
As optional technical scheme, the press-key structure is further included：Circuit layer, it is arranged at the key cap layer and the power
Between conduction unit；And haptics generators, it is electrically connected with the circuit layer, and the haptics generators are contained in the through hole.
As optional technical scheme, the hardness of the supporting layer is more than the hardness of the protuberance, and the thickness of the supporting layer
More than the thickness of the haptics generators, to provide the space of haptics generators vibrations.
As optional technical scheme, the protuberance is made by below hardness 70A silica gel material.
As optional technical scheme, the protuberance has extension, and wherein the extension is from the protuberance towards the through hole
Inner side extends, and the top surface of the extension is less than the top surface of the jut, and the haptics generators are against the extension.
As optional technical scheme, in addition to：Circuit is controlled, it is coupled to the sensing unit and the circuit layer, the control
Circuit processed receive the trigger signal and output drive signal to the haptics generators；Wherein, when the external world applies pressing force, this is pressed
Through the power conduction unit, transmission, to trigger the sensing unit, makes the sensing unit export the trigger signal to pressure downwards, and then
The haptics generators are made to receive the drive signal and shake.
In another embodiment, the present invention provides a kind of input unit, and it includes key cap layer, supporting layer, power conducting shell and sense
Answer unit.Key cap layer has a plurality of keycap areas；Supporting layer is arranged at below key cap layer, and with plurality of openings, it is a plurality of
Each opening of opening corresponds respectively to each keycap area in a plurality of keycap areas；Power conducting shell includes diaphragm portion and a plurality of
Protuberance, diaphragm portion has plurality of through holes, and each protuberance of a plurality of protuberances is then arranged at around each through hole,
And plurality of through holes and a plurality of protuberances are located in plurality of openings respectively；Sensing unit is arranged at below power conducting shell, sense
Answer unit exportable trigger signal when being triggered.When the external world apply pressing force in a plurality of key zones one of them when, pressing force
Transmitted downwards by power conducting shell, oppress sensing unit by the bottom surface of protuberance, sensing unit is exported trigger signal.
It is used as optional technical scheme, at least shape of an induction zone and the corresponding protuberance of a plurality of induction zones
Shape is all U-shaped.
As optional technical scheme, further include：Circuit layer, its be arranged at the key cap layer and the power conducting shell it
Between；And a plurality of haptics generators, the circuit layer is electrically connected in a plurality of haptics generators, a plurality of tactiles productions
Raw device is respectively accommodated in the plurality of through holes.
As optional technical scheme, the hardness of the supporting layer is more than the hard of an at least protuberance for a plurality of protuberances
Degree, and thickness of the thickness more than a plurality of haptics generators of the supporting layer, are shaken with providing a plurality of haptics generators
Space.
As optional technical scheme, a plurality of protuberances are made by below hardness 70A silica gel material.
As optional technical scheme, an at least protuberance for a plurality of protuberances has extension；The wherein extension
Inner side of the portion from an at least protuberance towards through hole corresponding with an at least protuberance extends, and the top surface of the extension is less than
The top surface of an at least jut, at least one haptics generators of a plurality of haptics generators are against the extension.
As optional technical scheme, in addition to：Circuit is controlled, it is coupled to the sensing unit and the circuit layer, the control
Circuit processed receives the trigger signal and output drive signal is to a plurality of haptics generators respectively；Wherein, when the external world, application is pressed
Pressure is when one of a plurality of keycap areas, and transmission is corresponding to trigger this downwards through the power conducting shell for the pressing force
Sensing unit, makes the corresponding sensing unit export the trigger signal, and then corresponding haptics generators is received the driving
Signal and shake.
Compared with prior art, press-key structure of the invention and input unit reach the spy of slimming by the structure of stacking
Property, while the press-key structure and input unit of the present invention are used as haptics generators (such as piezoelectric) simultaneously by circuit layer
Substrate layer and power path layer, and by power conduction unit as power conducting shell, help to simplify assembly program and increase can be manufactured
Property.In addition, the present invention press-key structure and input unit by power conduction unit as power conducting shell and by supporting layer conduct
Support structure layers, not only can ensure that haptics generators have suitable vibrations space, and can more reduce false triggering sensing unit can
Can property.
Brief description of the drawings
Figure 1A is the explosive view of the press-key structure of one embodiment of the invention；
Figure 1B is the schematic cross-section of Figure 1A press-key structure；
Fig. 1 C are the illustrative view of Figure 1A press-key structure；
Fig. 2 is the explosive view of the sensing unit of the press-key structure of one embodiment of the invention；
Fig. 3 A are the explosive view of the press-key structure of another embodiment of the present invention；
Fig. 3 B are the circuit layer of the press-key structure of another embodiment of the present invention, haptics generators, supporting layer and power conduction are single
The configuration schematic diagram of member；
Fig. 3 C are the schematic cross-section of Fig. 3 A press-key structure；
Fig. 3 D are the illustrative view of Fig. 3 A press-key structure；
Fig. 3 E are the circuit layer of the press-key structure of another embodiment of the present invention, haptics generators, supporting layer and power conduction are single
The configuration schematic diagram of member；
Fig. 4 A and Fig. 4 B are respectively the explosive view and constitutional diagram of the input unit of one embodiment of the invention；
Fig. 5 A are the schematic diagram of Fig. 4 A input unit key cap layer；
Fig. 5 B are the schematic diagram of Fig. 4 A input unit circuit layer；
Fig. 5 C are the configuration schematic diagram of the first line of the circuit layer of Fig. 5 B input unit；
Fig. 5 D are the configuration schematic diagram of the second circuit of the circuit layer of Fig. 5 B input unit；
Fig. 5 E are the schematic diagram of the supporting layer of Fig. 4 A input unit；
Fig. 5 F are the schematic diagram of the power conduction unit of Fig. 4 A input unit；
Fig. 6 is the key cap layer and the configuration schematic diagram of adhesion layer of the input unit of another embodiment of the present invention.
Embodiment
The present invention provides a kind of press-key structure with power conduction unit and the input unit with this press-key structure.Specifically
For, input unit of the invention can be any input unit with press-key structure, such as independent key board unit, is integrated in
The input unit (button or keyboard of the outfit such as running gear, tablet personal computer etc.) of electronic product, but be not limited.In
Afterwards by taking keyboard as an example, the press-key structure of the embodiment of the present invention and the details of input unit are described in detail with reference to schema.
As shown in Figure 1A to Figure 1B, in an embodiment, press-key structure 100 of the invention has multiple field membrane structure, its
Include key cap layer 110, supporting layer 140, power conduction unit 150, sensing unit 160 and control circuit 170 (see Figure 1B).In this reality
Apply example, key cap layer 110 has a keycap area 112, keycap area 112 as user's pressing keys structure 100 interface layer.Supporting layer
140 are arranged between key cap layer 110 and power conduction unit 150, using the main support structure layer as press-key structure 100, and have
There is opening 140a.Power conduction unit 150 is arranged between key cap layer 110 and sensing unit 160, and power conduction unit 150 is used as biography
Pressing force is led to the power conducting path of sensing unit 160.Sensing unit 160 is arranged at the lower section of power conduction unit 150, and sensing is single
Exportable trigger signal T when member 160 is triggered.In another embodiment of the present invention, press-key structure 100 also includes circuit layer
120 and haptics generators 130, circuit layer 120 is arranged between key cap layer 110 and supporting layer 140, and haptics generators 130 are set
Correspond to the lower section in keycap area 112 and electrical connection circuit floor 120 in circuit layer 120.Wherein, control circuit 170 is coupled to sensing
Unit 160 and circuit layer 120, and control circuit 170 can be arranged at any suitable position according to practical application request.Control electricity
Driving letter of the road 170 to receive the trigger signal T of sensing unit 160 to produce induced signal and drive haptics generators 130
Number D.
Specifically, power conduction unit 150 is to transmit the pressing force transmitted from key cap layer 110, when external world's application
During pressing force, pressing force is transmitted downwards to trigger sensing unit 160 by power conduction unit 150.Sensing unit 160 is switching regulator
Sensing unit, when sensing unit 160 is pressed triggering, the exportable trigger signal T of sensing unit 160, and then make control circuit
170 produce (1) user input character or the induced signal of instruction.
As shown in Figure 1A to Fig. 1 C, key cap layer 110 is covered on supporting layer 140, and key cap layer 110 has keycap area 112
And peripheral region 114, wherein peripheral region 114 is adjacent to around keycap area 112.Keycap area 112 is used as the area pressed for user
Domain, and peripheral region 114 with adjacent key for being connected.In this embodiment, peripheral region 114 is set around keycap area 112, and keycap
Area 112 can have character or pattern 112a (see Fig. 3 A), the corresponding instruction or character inputted with indicating button structure 100.Again
Person, can have region deviding to accord with 111 (see Fig. 3 A), to define the scope in keycap area 112, allow user around keycap area 112
The position in identification keycap area 112, improves the correctness of pressing easily.In other words, region deviding symbol 111 is arranged at keycap area 112
And the intersection of peripheral region 114, to define keycap area 112 and peripheral region 114.In this embodiment, region deviding symbol 111 can be
The box-shaped pattern of projection, and in being defined as keycap area 112 in box-shaped pattern, in being defined as peripheral region 114 outside box-shaped pattern.When making
When user carries out touch system, the position in keycap area 112 can be recognized by the region deviding symbol 111 of the surrounding projection of keycap area 112, is helped
In the speed and correctness of lifting input.Furthermore, region deviding symbol 111 and character or pattern 112a can be by printings, impressing, glutinous
The modes such as patch, laser are formed at the upper surface of key cap layer 110, and region deviding symbol 111 and character or pattern 112a can have not
Same form, not to be limited shown in embodiment.
The thickness of key cap layer 110 is preferably 0.075~2mm, and preferably soft materials, to increase user's pressing keys
The comfort of structure 100.When user presses keycap area 112, soft materials can have relatively low hardness to be pressed to be lifted
Comfort is pressed, and radially there is less energy loss in press points.In addition, soft materials pressing because of keycap area 112
Pressure flexure can also provide preferably effect for receiving haptic feedback.When the pressing flexure in keycap area 112 is bigger, keycap area
The thickness of 112 correspondence press points is smaller so that the path for transferring its energy to user's (such as finger) is shorter, advantageously reduces
Kinetic energy loss when haptics generators 130 shake.The material of key cap layer 110 can include such as polyester (PU), thermoplastic polyester
(TPU), leather, fabric, silica gel etc..
In addition, in an embodiment, key cap layer 110 can be only covered on supporting layer 140 as the most upper of press-key structure 100
Layer；Now press-key structure 100 is alternative has the housing for integrating each element so that each element is arranged in housing and naked
Expose key cap layer 110 to operate for user.Furthermore, press-key structure 100 is alternative to include basalis (not shown), wherein substrate
Layer is arranged at the lower section of sensing unit 160, to promote the overall construction intensity of press-key structure 100.Basalis is preferably relative stiffness
Larger material (such as sheet metal, rigid plastics or polymeric layer), is unlikely to curved to maintain the intensity of press-key structure 100
Lose bad.Above-mentioned housing can also be combined with basalis so that the bottom of housing is used as basalis.In another embodiment,
Key cap layer 110 can as the integral member of cladding press-key structure 100 clad, but be not limited.
As shown in Figure 1A to Figure 1B, power conduction unit 150 is at least partially arranged at the lower section of supporting layer 140.Specifically, power
Conduction unit 150 includes diaphragm portion 152 and protuberance 154, and wherein diaphragm portion 152 has accommodating area 152a, and protuberance 154 is set
Around the 152a of accommodating area and from the projection of diaphragm portion 152, to define accommodation space 150a.In this embodiment, diaphragm portion 152 has
Through hole is to be used as accommodating area 152a.In other words, protuberance 154 is arranged at around through hole 152a and from the upper surface court of diaphragm portion 152
The projection of key cap layer 110, to form accommodation space 150a so that the top surface 158 of protuberance 154 is higher than the upper surface of diaphragm portion 152.
Herein it may be noted that in this embodiment, though it is not limited using through hole as the accommodating area 152a of diaphragm portion 152.In other realities
Example is applied, the accommodating area 152a of diaphragm portion 152 can be portion surface area or the sunk area of diaphragm portion 152.In addition, accommodating area
152a preferably corresponds to keycap area 112, and can be designed according to button actual demand, and is not limited to the rectangle shown in Figure 1A.Yu Qi
His embodiment (not shown), accommodating area 152a can be circular, oval or any suitable shape.Corresponding to accommodating area 152a shape
Shape, protuberance 154 can surround accommodating area 152a all peripheries only around accommodating area 152a part of its periphery or essence.Citing and
Speech, as shown in Figure 1A, when accommodating area 152a correspondence keycaps area 112 is rectangle, protuberance 154 can surround the three of accommodating area 152a
Individual side is set.In this embodiment, the preferably continuous prominent structure of protuberance 154, but be not limited.In other implementations
Example, protuberance 154 also can be by a plurality of projections or projection along accommodating area for discontinuous prominent structure, i.e. protuberance 154
Set and constituted around 152a.
Power conduction unit 150, particularly protuberance 154, preferably by below hardness 70A fender, more preferably by hardness 10A
~60A fender, by made by laser or hot-die technology.In an embodiment, power conduction unit 150 is by such as silica gel material
Material is made.That is, power conduction unit 150 can be flexible material, in order to avoid can be because of its own when being arranged on sensing unit 160
Weight and sensing unit 160 is produced false touch signal in the case where key cap layer 110 is not pressed.As described above, power conduction is single
Member 150 is to transmit pressing force to sensing unit 160 below, to trigger the output trigger signal of sensing unit 160 T.In this
Embodiment, pressing force can be transmitted by key cap layer 110 and protuberance 154；When keycap area suffers oppression, the bottom surface of protuberance 154
155 oppress sensing unit 160 and produce trigger signal T.In an embodiment, as shown in Figure 1B, the lateral wall of protuberance 154 compared with
The good border for essence alignment keycap area 112, or slightly larger than the border in keycap area 112, thereby when user presses on keycap area
During 112 border, it also can effectively pass through the transmission pressing force, but be not limited downwards of protuberance 154.
As shown in Figure 1A to Figure 1B, supporting layer 140 is arranged on diaphragm portion 152 and with opening 140a so that protuberance
154 are located at opening 140a.That is, opening 140a is preferably the keycap area 112 of correspondence key cap layer 110 and scope covers around accommodating
Area 152a protuberance 154, and when make it that supporting layer 140 is arranged on diaphragm portion 152, protuberance 154 is located in opening 140a
(as shown in Figure 1B).In this embodiment, the hardness of supporting layer 140 is preferably more than the hardness of power conduction unit 150.In other words, prop up
Settings of support layer 140 when can ensure that user's pressing key cap layer 110 will not because of power conduction unit 150 hardness it is too low and deform
Compress accommodation space 150a.
In an embodiment, when the protuberance 154 of power conduction unit 150 is arranged in the opening 140a of supporting layer 140, support
The top surface of layer 140 is preferably substantially equal to or the slightly above top surface 158 of protuberance 154, for support key cap layer 110, and is reduced and missed
Trigger raw chance, but not limited to this.In an embodiment, the opening 140a of supporting layer 140 preferably corresponds to keycap area 112, that is,
Be open 140a shape, size, position is preferably corresponding with keycap area 112, to cause user can be true when pressing on keycap area 112
Protect and transmit pressing force to sensing unit 160 by the power transmitting portions (such as protuberance 154) of power conduction unit 150.
As shown in Figure 1 C, when the external world applies pressing force F, pressing force F is transmitted downwards to trigger by power conduction unit 150
Sensing unit 160 so that sensing unit 160 exports trigger signal T to control circuit 170.That is, when user's pressing keys knot
During structure 100 (such as when pressing on the keycap area 112 of key cap layer 110), (for example dashed forward by the architectural characteristic of power conduction unit 150
Go out the compressing of bottom surface 155 sensing unit 160 in portion 154), pressing force is transmitted downwards to trigger sensing unit by above-mentioned approach
160 send trigger signal T, and trigger signal T is preferably as operation press-key structure 100 to input the sensing of corresponding character or instruction
Signal.
Furthermore, the induction line of sensing unit 160 preferably corresponds to the power transmitting portions of power conduction unit 150 (for example
The bottom surface 155 of protuberance 154) set, to cause pressing force only to be transmitted by above-mentioned approach, without being passed by supporting layer 140
Pass, and then reduce possibility of the false touch adjacent to the induction zone 165 of button.Specifically, sensing unit 160 is membrane switches
(membrane), as shown in Figure 1A.There is induction zone 165 as the membrane switches of sensing unit 160, its shape is preferably with dashing forward
The shape for going out portion 154 is approximate, and for example the shape of bottom surface 155 with protuberance 154 is corresponding.As shown in Figure 1A, due to protuberance 154
Set around three sides of coffin and form similar U-shaped, therefore the shape of induction zone 165 is also empty around rectangle therewith
Between three sides set, and form the shape of similar U-shaped.But in different embodiments, because protuberance 154 is also formed as
Annular or other shapes, therefore induction zone 165 can also change the shape of distribution therewith.
As shown in Fig. 2 as the membrane switches of sensing unit 160 by the first film 161, the second film 162 and interval
Layer 168 is formed by stacking, and its intermediate interlayer 168 is located between the film 162 of the first film 161 and second.The first film 161 and
It is respectively formed with metallic circuit 163 on two films 162, and the switching circuit formed in induction zone 165.As shown in Fig. 2 first is thin
Metallic circuit 163 on film 161 and the metallic circuit 163 on the second film 162 are in being staggered, therefore the switching line constituted
Road is bowed from top to be seen and is formed as mesh shape.
It is the press-key structure of another embodiment of the present invention as shown in Fig. 3 A to Fig. 3 C.In this embodiment, press-key structure
100 ' further include circuit layer 120 and an at least haptics generators 130.In this embodiment, circuit layer 120 is arranged at key cap layer
110 lower sections, are used as the power path layer and mounting haptics generators 130 for providing the signaling pathways for driving haptics generators 130
Substrate layer.An at least haptics generators 130 are arranged at the lower section of circuit layer 120 and electrical connection circuit layer 120, using as after pressing
Haptic feedback layer.Control circuit 170 is coupled to sensing unit 160 and circuit layer 120, and can be set according to practical application request
In any suitable position.When controlling trigger signal T of the circuit 170 to receive sensing unit 160, that is, produce induced signal
And the drive signal D of driving haptics generators 130.
Specifically, power conduction unit 150 has accommodation space 150a for accommodating haptics generators 130.Circuit layer 120 is used
To electrically connect haptics generators 130, and provide the power path of driving haptics generators 130 so that control circuit 170 can pass through electricity
Road floor 120 electrically connects haptics generators 130.As described above, sensing unit 160 is preferably switching regulator sensing unit, when sensing is single
When member 160 is pressed triggering, the exportable trigger signal T of sensing unit 160, and then it is defeated control circuit 170 is produced (1) user
Enter character or the induced signal of instruction, and the drive signal D that (2) driving haptics generators 130 shake.The following table of circuit layer 120
Face correspondence keycap area 112 has at least the first contact 122a and at least the second contact 124a, wherein the first contact 122a and second
Contact 124a is electrically isolated.An at least haptics generators 130 are located in the accommodation space 150a of power conduction unit 150, and are electrically connected
Meet the first contact portion 122a and the second contact 124a.Exportable trigger signal T when being triggered of sensing unit 160, and control circuit
170 in receiving after trigger signal T, and output drive signal D is to haptics generators 130 for meeting, to drive haptics generators 130 to shake
Dynamic (related description for referring to Fig. 3 D).
Furthermore, the present invention in " haptics generators " described in this refer to can signal D driven driving and haptic feedback is provided
The element of (for example shaking).Haptics generators can be included, such as, but not limited to：Piezo-activator (piezoelectric
Actuator), voice coil actuator (voice coil actuator), vibrations motor (pager motor), electromagnetic vibrator
Or other kinds of haptics generators (solenoid).Piezo-activator has the advantages that very thin and small, therefore is especially suitable for
Press-key structure for multiple field membrane structure.Yu Hou, by taking piezo-activator as an example, illustrates each element of press-key structure of the present invention
Thin portion structure and interaction.
As shown in Fig. 3 A to Fig. 3 C, key cap layer 110 is covered on circuit layer 120, and key cap layer 110 has keycap area 112
And peripheral region 114, wherein peripheral region 114 is adjacent to around keycap area 112.The correspondence haptics generators 130 of keycap area 112 are simultaneously made
To supply the region that user presses, and the circuit layer 120 that peripheral region 114 is used for below connection.
The thickness of key cap layer 110 is preferably 0.075~2mm, and preferably soft materials, soft materials because keycap area
112 pressing flexure can also provide preferably effect for receiving haptic feedback.When the pressing flexure in keycap area 112 is bigger,
The thickness of the correspondence press points of keycap area 112 is smaller so that the path for transferring its energy to user's (such as finger) is shorter, favorably
Kinetic energy loss when reduction haptics generators 130 shake.The material of key cap layer 110 can include such as polyester (PU), heat
Mould polyester (TPU), leather, fabric, silica gel etc..
Circuit layer 120 is preferably the sheet form that relatively hard material is constituted, to be used as mounting haptics generators 130
Substrate.The thickness of circuit layer 120 is preferably 0.05~0.5mm, and circuit layer 120 by insulating barrier and can be arranged at insulating barrier
Conductive path circuit is constituted, and wherein insulating barrier can be by such as PET (Polyethylene
Terephthalate, PET) constituted.In other words, the hardness of circuit layer 120 is more than the hardness of key cap layer 110, and circuit layer
120 thickness is preferably less than the thickness of key cap layer 110.As shown in Fig. 3 A and Fig. 3 B, circuit layer 120 is arranged under key cap layer 110
The lower surface correspondence keycap area 112 of side, wherein circuit layer 120 has at least one first contact 122a and at least 1 the being electrically isolated
Two point 124a, for electrical connection haptics generators 130.Specifically, there is circuit layer 120 offer drive signal D to be transferred to
First power path 122 of haptics generators 130 and second circuit footpath 124, wherein the first power path 122 and second circuit footpath 124
It is arranged at the lower surface of circuit layer 120 with being electrically isolated, and includes the first contact 122a and the second contact 124a respectively.That is, the
One power path 122 and second circuit footpath 124 are arranged at circuit layer 120 back on the side (i.e. downside) of key cap layer 110, to cause
Haptics generators 130 and key cap layer 110 set the two opposite sides of circuit layer 120 respectively.
In this embodiment, haptics generators 130 are made up of piezoelectric, and preferably sheet form, wherein piezoresistive material
Material can include such as piezoelectric single crystal, piezoelectricity polycrystal (piezoelectric ceramics), piezopolymer or piezo-electricity composite material, but not with
This is limited.Haptics generators 130 are arranged at the lower section of circuit layer 120, and the first contact 122a of the first power path 122 of electrical connection and
The second electric contact 124a in second circuit footpath 124 so that drive signal D can be transmitted via power path 122,124, to drive tactile
Generator 130 produces strain and provides haptic feedback (for example shaking).Herein it may be noted that haptics generators 130 preferably only by
First contact 122a and the second electric contact 124a entities are connected to circuit layer 120, to cause haptics generators 130 to have larger shake
Dynamic effect.That is, haptics generators 130 can connect the first contact 122a and the by material is electrically connected such as elargol, scolding tin
Two electric contact 124a, and then reach that entity connects circuit layer 120 so that haptics generators 130 are not connected with the part of circuit layer 120
With larger shock-effect.However, in other embodiment, in addition to by the first contact 122a and the second electric contact 124a,
Haptics generators 130 can be strengthened being connected with the entity of circuit layer 120 by other adhesive means, to prevent haptics generators 130
Depart from from circuit layer 120 but still possess expected haptic feedback effect.Furthermore, haptics generators 130 are relative to circuit layer 120
Shaking direction can be comprising the vibrations of such as up/down butterfly or horizontal retractable vibrations, and mode of vibration can include such as continuous vibration
Or pulsed vibrations, but be not limited.
As shown in Fig. 3 A to Fig. 3 C, power conduction unit 150 is arranged at the lower section of circuit layer 120, and power conduction unit 150 has
Accommodation space 150a, wherein haptics generators 130 are located in accommodation space 150a.Specifically, power conduction unit 150 includes film
Piece portion 152 and protuberance 154, wherein diaphragm portion 152 have accommodating area 152a, and protuberance 154 is arranged at around the 152a of accommodating area
And from the projection of diaphragm portion 152, to define accommodation space 150a for accommodating haptics generators 130.In this embodiment, diaphragm portion 152
With through hole to be used as accommodating area 152a.In other words, haptics generators 130 are contained in through hole.As shown in Fig. 3 A and Fig. 3 B, when
When accommodating area 152a correspondence keycaps area 112 is rectangle, protuberance 154 can be set around accommodating area 152a three sides, only be protected
The side that the first contact 122a and the second contact 124a is set is stayed to be not provided with protuberance 154.In other embodiment, work as accommodating area
When circle is in 152a correspondence keycaps area 112, in addition to correspondence the first contact 122a and the second contact 124a position, protuberance 154
Can be substantially around accommodating area 152a all peripheries.
When support structure layers of the power conduction unit 150 as circuit layer 120, the thickness of protuberance 154, which is preferably more than, to be touched
Feel the thickness of generator 130.When haptics generators 130 shake in accommodation space 150a, the thickness of protuberance 154 is enough to provide
The appropriate vibrations space of haptics generators 130 (i.e. the lower section of haptics generators 130 has sufficient space).In addition, supporting layer 140
Thickness preferably be more than haptics generators 130 thickness, with ensure haptics generators 130 shake space.In other words, support
The setting of layer 140, which can ensure that, makes haptics generators 130 have enough vibrations spaces when user presses key cap layer 110, without
Can because power conduction unit 150 hardness is too low and alternating compression accommodation space 150a, and then haptics generators 130 are compressed
Sensing unit 160 and can not occur vibrations feedback.Specifically, the thickness of supporting layer 140 depends on the thickness of haptics generators 130
Degree and the height in vibrations space.For example, when the height for shaking space is more than such as 0.8mm, haptics generators 130 can have
There is preferably vibrating effect.Therefore, the thickness preferred configuration of supporting layer 140 be more than haptics generators 130 thickness and by
The vibrations space that height is more than 0.8mm can be possessed during pressure in the lower section of haptics generators 130.
Furthermore, in an embodiment, power conduction unit 150 has more extension 156, and wherein extension 156 is from protuberance 154
Extend on the inside of towards accommodation space 150a, and top surface of the top surface less than protuberance 154 of extension 156.As shown in Figure 3 C, tactile is worked as
When generator 130 is placed in accommodation space 150a, haptics generators 130, which preferably partly overlap, extension 156 or is resisted against extension
Portion 156.In other words, the top surface of extension 154 is more preferably greater than the upper surface of diaphragm portion 152 and less than the bottom of haptics generators 130
Face, and extension 154 preferably extends to the lower section of part haptics generators 130 towards accommodation space 150a inner sides.Thereby, power conduction is single
First 150 upward protuberances 154 provide the space (such as 150a) that haptics generators 130 shake in the lower section of key cap layer 110,
And extension 156 provides local support when haptics generators 130 shake, in case haptics generators 130 compress sensing list
Member 160.
Furthermore, in an embodiment, as shown in Figure 3 C, press-key structure 100 further includes adhesion layer 180, and wherein adhesion layer 180 is set
The lower surface of key cap layer 110 is placed in and outside keycap area 112, to stick together key cap layer 110 and circuit layer 120.Specifically, stick
Layer 180 and be only arranged at the lower surface that key cap layer 110 corresponds to peripheral region 114.In other words, adhesion layer 180 is not arranged at key
Cap layers 110 correspond to the lower surface in keycap area 112 so that the part in keycap area 112 and the corresponding keycap area 112 of circuit layer 120 is not
Stick together (or having space) together.Thereby, when haptics generators 130 are driven signal D driving and shaken, it is possible to reduce
Kinetic energy loss when haptics generators 130 shake.That is, if circuit layer 120 is all sticked with key cap layer 110,
" load " of haptics generators 130 is aggravated, and is not likely to produce vibrations, and kinetic energy loss is increased.In this embodiment, adhesion layer
180 thickness is preferably less than 0.5mm, but is not limited.Furthermore, remaining element of press-key structure 100 (such as circuit layer 120,
Power conduction unit 150, sensing unit 160 etc.) between can also be fixed by adhesive means, to position the relative position of each interelement
Put.
As shown in Figure 3 D, when the external world applies pressing force F, pressing force F is transmitted downwards to touch by power conduction unit 150
Send out sensing unit 160 so that sensing unit 160 exports trigger signal T to control circuit 170.Circuit 170 is controlled to receive triggering letter
Number T and exportable drive signal D is to haptics generators 130 and then drives haptics generators 130 to shake.That is, when using
During person's pressing keys structure 100 (such as when pressing on the keycap area 112 of key cap layer 110), effect of the supporting layer 140 in pressing force
Under haptics generators 130 is still had enough vibrations spaces, and by architectural characteristic (such as protuberance of power conduction unit 150
154th, extension 156), by two kinds of above-mentioned approach, transmission sends trigger signal to pressing force to trigger sensing unit 160 downwards
T, trigger signal T are on the one hand as operation press-key structure 100 to input the induced signal of corresponding character or instruction, while also making
To produce drive signal D indication signal so that control circuit 170 receives trigger signal T and sends drive signal D.Work as tactile
Generator 130 receives via the power path (such as the first power path 122 and second circuit footpath 124) of circuit layer 120 and carrys out automatic control
During the drive signal D of circuit 170 processed, haptics generators 130 can produce vibrations in accommodation space 150a, true to provide user
Recognize the vibrations feedback of pressing.
Furthermore, in previous embodiment, extension 156 is to extend along protuberance 154 towards accommodation space 150a inner sides are continuous
Form.However, in other embodiment, as shown in FIGURE 3 E, extension 156 ' can be along protuberance 154 ' towards accommodation space 150a
The form that inner side discontinuously extends, to coordinate actual demand to increase the design flexibility of press-key structure.
As shown in fig. 4 a and fig. 4b, in another embodiment, the present invention provides a kind of button for including multiple previous embodiments
The input unit 10 of structure.Herein it may be noted that in this embodiment, input unit 10 is illustrated by taking key board unit as an example, but in
Other embodiment, input unit can include more than one press-key structure and be configured in any suitable mode, not with embodiment
It is shown to be limited.Furthermore, in this embodiment, input unit 10 illustrates by taking the press-key structure comprising Fig. 3 A as an example, but is not limited.
Specifically, as shown in Figure 4 A, input unit 10 includes key cap layer 210, circuit layer 220, plural haptics generators
230th, power conducting shell 250, inductive layer 260 and control circuit 270 (referring to 4B), wherein, a plurality of haptics generators 230 are arranged at
On circuit layer 220.In addition, input unit 10 is further alternative to include supporting layer 240.Fig. 5 A to Fig. 5 F are continued referring to,
In this embodiment, key cap layer 210 has a plurality of keycap areas 212.Circuit layer 220 is arranged at the lower section of key cap layer 210, and circuit layer
220 each keycap area 212 of lower surface correspondence has at least one first contact 222a and at least one second contact 224a being electrically isolated.
Power conducting shell 250 is arranged at the lower section of circuit layer 220, and a plurality of keycap areas 212 of the correspondence of power conducting shell 250 have a plurality of house
Space 250a, for housing a plurality of haptics generators 230.Inductive layer 260 is arranged at the lower section of power conducting shell 250, and inductive layer
260 correspond to a plurality of keycap areas 212 respectively comprising plural sensing unit 262.In other words, when multiple press-key structures are integrated into input
During device 10 (such as keyboard), the element of each press-key structure, which can be corresponded to, is integrated into single part layer.
For example, as shown in Fig. 4 A and Fig. 5 A, a plurality of keycap areas 212 can be interconnected to form by peripheral region 214
Single key cap layer 210.Specifically, key cap layer 210 can surface forms a plurality of areas thereon according to the positions of each key configurations
Symbol 211 is defined in domain, and to define corresponding keycap area 212, and the space and peripheral part between keycap area 212 are to form periphery
Area 214.Similar to above-mentioned, each keycap area 212 has corresponding character or pattern (not shown), to indicate that each press-key structure institute is defeated
The corresponding instruction or character entered.In this embodiment, key cap layer 210 can have the characteristic similar with above-mentioned key cap layer 110, such as material
Matter, thickness etc., are repeated no more in this.
As shown in Fig. 4 A and Fig. 5 B, circuit layer 220 is arranged at the lower section of key cap layer 210, and the lower surface correspondence of circuit layer 220
Each keycap area 212 has at least one first contact 222a and at least one second contact 224a being electrically isolated, and power supply connection is corresponding
Haptics generators 230.That is, a plurality of a plurality of keycap areas 212 of the correspondence of haptics generators 230 are arranged at the lower section of circuit layer 220
And it is electrically connected corresponding first contact 222a and the second contact 224a.Herein it may be noted that haptics generators 230 are with similar
The characteristic of haptics generators 130 in above-described embodiment, and the connected mode of itself and circuit layer 220 also refers to above-mentioned Figure 1A
The related description of embodiment, is repeated no more in this.Specifically, circuit layer 220 includes plural bar first line 222 and plural bar
Second circuit 224, to provide the power path of driving correspondence haptics generators 230 respectively.It is as shown in Figure 5 C, multiple in an embodiment
The number of a plurality of haptics generators 230 of number correspondence of several first line 222 and every the 1 of plural article first line 222 the
One circuit 222 has a first contact 222a, to be electrically connected corresponding a plurality of haptics generators 230.Such as Fig. 5 D institutes
Show, the number of plural the second circuit of bar 224 is preferably less than the number of a plurality of haptics generators 230, and the plural circuit of bar second
224 every one second circuit 224 has more than one second contact 224a, so that the second contact 224a number correspondence plural number
The number of individual haptics generators 230, to be electrically connected corresponding haptics generators 230.In this embodiment, plural bar First Line
Road 222 is as the driving path for driving haptics generators 230, and the second circuit of plural bar 224 is used as a plurality of tactiles productions of driving
The grounding path of raw device 230.In other words, the grounding path (i.e. the second circuit 224) of a plurality of haptics generators 230 is preferably grouped
Link together so that second contact 224a of single the second circuit of bar 224 with one or at least two, and all second lines
The total quantity for the second contact 224a that road 224 is included is identical with the quantity of a plurality of haptics generators 230, to reach simplification
The layout of power path, the layout area needed for reducing, and then reduce the size of input unit.
As shown in Fig. 4 A and Fig. 5 E, supporting layer 240 is arranged between circuit layer 220 and power conduction unit 250, wherein supporting
There is floor 240 plurality of openings 240a to correspond to a plurality of keycap areas 212 respectively, and plurality of openings 240a supplies a plurality of protuberances
254 are arranged in wherein respectively.Similar to above-mentioned, the hardness of supporting layer 240 is more than the hardness of power conduction unit 250, and supporting layer
250 thickness is more than the thickness of a plurality of haptics generators 230, to provide the space of the vibrations of haptics generators 230.
As shown in Fig. 4 A and Fig. 5 F, power conducting shell 250 is arranged at the lower section of circuit layer 220, and the wherein correspondence of power conducting shell 250 is multiple
Several keycap areas 212 have plural accommodation space 250a, for housing a plurality of haptics generators 230.Specifically, power is conducted
Unit 250 includes diaphragm portion 252 and a plurality of protuberances 254, wherein a plurality of protuberances 254 are mutually interconnected by diaphragm portion 252
It is connected into single force conduction unit 250.That is, similar to above-mentioned, diaphragm portion 252 has a plurality of accommodating areas (such as a plurality of logical
Hole), and a plurality of protuberances 254 are respectively arranged at around a plurality of accommodating areas (such as through hole) and from diaphragm portion 252 towards circuit
220 projection of layer, to form a plurality of accommodation space 250a.Similarly, when supporting layer 240 is arranged at the diaphragm of power conducting shell 250
During portion 252, a plurality of protuberances 254 are arranged in plurality of openings 254a respectively.Furthermore, power conducting shell 250 is with more a plurality of
Extension 256, wherein a plurality of extensions 256 extend from a plurality of protuberances 254 towards corresponding accommodation space 250a inner sides, and
The top surface of each extension 256 of a plurality of extensions 256 is less than each protuberance 254 corresponding with each extension 256
Top surface.Furthermore, a plurality of extensions 256 preferably extend the lower surface of a plurality of haptics generators 230 of correspondence, to cause plural number
Each haptics generators 230 of individual haptics generators 230 partly overlap corresponding each extension 256.
Furthermore, as shown in fig. 4 a and fig. 4b, a plurality of sensing units 262 can be integrated in inductive layer 260, and can be by single
Control circuit 270 controls multiple buttons, to simplify fabrication schedule and assembly program, but is not limited.
Similar to shown in Fig. 1 C or Fig. 3 D start explanation, when the external world apply pressing force in a plurality of keycap areas 212 wherein
At one, pressing force is by the power transmitting portions (such as protuberance 254, extension 256) of corresponding power conducting shell 250 via upper
The two kinds of approach stated transmit to trigger corresponding sensing unit 262 downwards so that sensing unit 262 exports trigger signal T to control
Circuit 270 processed.Trigger signal T is on the one hand as operation press-key structure to input the induced signal of corresponding character or instruction, together
When also as the indication signal for producing drive signal D so that control circuit 270 receives trigger signal T and exportable drive signal
D gives corresponding haptics generators 230.When power path (such as corresponding first electricity of the haptics generators 230 via circuit layer 220
Path 222 and second circuit footpath 224) receive from control circuit 270 drive signal D when, haptics generators 230 can be in appearance
It is empty in a 250a and produces vibrations, provides the vibrations feedback that user confirms pressing.
Furthermore, as shown in fig. 6, the input unit of the present invention further includes adhesion layer 280, wherein adhesion layer 280 is arranged at key
The lower surface of cap layers 210 and outside plural keycap area 212, to stick together key cap layer 210 and circuit layer 220.Similar to above-mentioned, stick
Layer 280 and be only arranged at the lower surface that key cap layer 210 corresponds to peripheral region 214.In other words, adhesion layer 280 is not arranged at key
Cap layers 210 correspond to the lower surface in keycap area 212 so that the part in keycap area 212 and the corresponding keycap area 212 of circuit layer 220 is not
Stick together (or having space) together.Thereby, when haptics generators 230 are driven the driving of signal and shaken, it is possible to reduce
Kinetic energy loss when haptics generators 230 shake.That is, if circuit layer 220 is all sticked with key cap layer 210,
" load " of haptics generators 230 is aggravated, and is not likely to produce vibrations, and kinetic energy loss is increased.Furthermore, input unit 10 its
Also can be by adhesive means between remaining element (such as circuit layer 220, supporting layer 240, power conducting shell 250, sensing unit 260)
It is fixed, to position the relative position of each interelement.
Compared to known techniques, press-key structure and input unit of the invention reaches the spy of slimming by the structure of stacking
Property, while the haptic feedback for providing pressing by haptics generators is used as user's operation indicating.Furthermore, of the invention presses bond
Structure and input unit by circuit layer simultaneously as substrate layer and the power path layer of haptics generators (such as piezoelectric), and by
By power conduction unit as power conducting shell and support structure layers, help to simplify assembly program and increase manufacturability.In addition, this
The press-key structure and input unit of invention by power conduction unit as power conducting shell and by supporting layer as support structure layers,
It not only can ensure that haptics generators have suitable vibrations space, can more reduce the possibility of false triggering sensing unit.
The present invention is been described by by above-described embodiment, but above-described embodiment is only to illustrate purpose not for limitation.
This ripe those skilled in the art can have other of illustrative embodiments to repair when knowing under without departing substantially from spirit of the invention in embodiment of this special instruction
Change.Therefore, scope is also covered such modification and only limited by appended claim.
Claims (22)
1. a kind of press-key structure, it is characterised in that the press-key structure is included：
Key cap layer, it includes keycap area；
Supporting layer, it is arranged at below the key cap layer, and the supporting layer has opening；
Power conduction unit, it includes diaphragm portion and protuberance, and the diaphragm portion has through hole, and the protuberance is arranged at through hole week
Enclose, and the through hole and the protruding parts are in the opening；
Sensing unit, it is arranged at below the power conduction unit；
Circuit layer, it is arranged between the key cap layer and the power conduction unit；And
Haptics generators, it is electrically connected with the circuit layer, and the haptics generators are contained in the through hole;
Wherein, when the depressed power in the keycap area, the bottom surface of the protuberance oppresses the sensing unit and produces trigger signal, should
The hardness of supporting layer is more than the hardness of the protuberance, and thickness of the thickness more than the haptics generators of the supporting layer, to provide
The space of haptics generators vibrations.
2. press-key structure as claimed in claim 1, it is characterised in that the sensing unit is membrane switches, the thin film switch
With induction zone, the induction zone has a plurality of switching circuits, and wherein the shape of the induction zone is similar to the protuberance shape.
3. press-key structure as claimed in claim 2, it is characterised in that the shape of the induction zone and the protuberance shape are all U
Font.
4. press-key structure as claimed in claim 1, it is characterised in that the protuberance for below hardness 70A silica gel material institute
It is made.
5. press-key structure as claimed in claim 1, it is characterised in that the protuberance has extension, the wherein extension are certainly
The protuberance extends towards on the inside of the through hole, and the top surface of the extension is less than the top surface of the protuberance, the haptics generators against
The extension.
6. press-key structure as claimed in claim 1, it is characterised in that also include：
Circuit is controlled, it is coupled to the sensing unit and the circuit layer, the control circuit receives the trigger signal and output driving
Signal gives the haptics generators；
Wherein, when the external world applies pressing force, the pressing force is transmitted to trigger the sensing unit downwards through the power conduction unit,
The sensing unit is exported the trigger signal, and then the haptics generators is received the drive signal and is shaken.
7. a kind of press-key structure, it is characterised in that the press-key structure is included：
Key cap layer, it includes keycap area；
Supporting layer, it is arranged at below the key cap layer, and the supporting layer has opening；
Power conduction unit, it includes diaphragm portion and protuberance, and the diaphragm portion has through hole, and the protuberance is arranged at through hole week
Enclose, and the through hole and the protruding parts are in the opening；
Sensing unit, it is arranged at below the power conduction unit；
Circuit layer, it is arranged between the key cap layer and the power conduction unit；And
Haptics generators, it is electrically connected with the circuit layer, and the haptics generators are contained in the through hole;
Wherein, when the depressed power in the keycap area, the bottom surface of the protuberance oppresses the sensing unit and produces trigger signal, should
Protuberance has extension, and wherein the extension extends from the protuberance towards through hole inner side, and the top surface of the extension is less than
The top surface of the protuberance, the haptics generators are against the extension.
8. press-key structure as claimed in claim 7, it is characterised in that the sensing unit is membrane switches, the thin film switch
With induction zone, the induction zone has a plurality of switching circuits, and wherein the shape of the induction zone is similar to the protuberance shape.
9. press-key structure as claimed in claim 8, it is characterised in that the shape of the induction zone and the protuberance shape are all U
Font.
10. press-key structure as claimed in claim 7, it is characterised in that the protuberance is below hardness 70A silica gel material
It is made.
11. press-key structure as claimed in claim 7, it is characterised in that also include：
Circuit is controlled, it is coupled to the sensing unit and the circuit layer, the control circuit receives the trigger signal and output driving
Signal gives the haptics generators；
Wherein, when the external world applies pressing force, the pressing force is transmitted to trigger the sensing unit downwards through the power conduction unit,
The sensing unit is exported the trigger signal, and then the haptics generators is received the drive signal and is shaken.
12. a kind of input unit, it is characterised in that the input unit is included：
Key cap layer, it includes a plurality of keycap areas；
Supporting layer, it is arranged at below the key cap layer, and the supporting layer has plurality of openings, each opening of the plurality of openings
Correspond respectively to each keycap area in a plurality of keycap areas；
Power conducting shell, it includes diaphragm portion and a plurality of protuberances, and the diaphragm portion has plurality of through holes, a plurality of protuberances
Each protuberance be arranged at around each through hole of the plurality of through holes, and the plurality of through holes and a plurality of ledges
Wei Yu not be in the plurality of openings；
Sensing unit, it is arranged at below the power conducting shell；
Circuit layer, it is arranged between the key cap layer and the power conducting shell；And
The circuit layer is electrically connected in a plurality of haptics generators, a plurality of haptics generators, and a plurality of tactiles are produced
Device is respectively accommodated in the plurality of through holes；
Wherein, when one of a plurality of keycap areas depressed power, with one of a plurality of keycap areas pair
The bottom surface compressing for the protuberance answered and the corresponding sensing unit in one of a plurality of keycap areas and produce trigger signal；Should
The hardness of supporting layer is more than the hardness of an at least protuberance for a plurality of protuberances, and the thickness of the supporting layer is more than the plural number
The thickness of individual haptics generators, to provide the space of a plurality of haptics generators vibrations.
13. input unit as claimed in claim 12, it is characterised in that the sensing unit is membrane switches, the film is opened
Closing has a plurality of induction zones, and a plurality of induction zones are located at below a plurality of protuberances respectively, a plurality of induction zones
Each induction zone has a plurality of switching circuits, and wherein the shape of each induction zone of a plurality of induction zones with it is corresponding
The shape of each protuberance of a plurality of protuberances is similar.
14. input unit as claimed in claim 13, it is characterised in that the shape of an at least induction zone for a plurality of induction zones
Shape is all U-shaped with the shape of corresponding protuberance.
15. input unit as claimed in claim 12, it is characterised in that a plurality of protuberances are below hardness 70A silicon
Made by glue material.
16. input unit as claimed in claim 12, it is characterised in that an at least protuberance for a plurality of protuberances has
Extension；Wherein inner side of the extension from an at least protuberance towards through hole corresponding with an at least protuberance extends, and
The top surface of the extension is less than the top surface of an at least protuberance, at least one haptics generators of a plurality of haptics generators
Against the extension.
17. input unit as claimed in claim 12, it is characterised in that also include：
Circuit is controlled, it is coupled to the sensing unit and the circuit layer, and the control circuit receives the trigger signal and exported respectively
Drive signal gives a plurality of haptics generators；
Wherein, when the external world applies pressing force in one of a plurality of keycap areas, the pressing force passes through the power conducting shell
Transmission makes the corresponding sensing unit export the trigger signal, and then make corresponding to trigger the corresponding sensing unit downwards
Haptics generators receive the drive signal and shaken.
18. a kind of input unit, it is characterised in that the input unit is included：
Key cap layer, it includes a plurality of keycap areas；
Supporting layer, it is arranged at below the key cap layer, and the supporting layer has plurality of openings, each opening of the plurality of openings
Correspond respectively to each keycap area in a plurality of keycap areas；
Power conducting shell, it includes diaphragm portion and a plurality of protuberances, and the diaphragm portion has plurality of through holes, a plurality of protrusions
Each protuberance in portion is arranged at around each through hole of the plurality of through holes, and the plurality of through holes and a plurality of protuberances
It is located at respectively in the plurality of openings；
Sensing unit, it is arranged at below the power conducting shell；
Circuit layer, it is arranged between the key cap layer and the power conducting shell；And
The circuit layer is electrically connected in a plurality of haptics generators, a plurality of haptics generators, and a plurality of tactiles are produced
Device is respectively accommodated in the plurality of through holes；
Wherein, when one of a plurality of keycap areas depressed power, with one of a plurality of keycap areas pair
The bottom surface compressing for the protuberance answered and the corresponding sensing unit in one of a plurality of keycap areas and produce trigger signal, this
An at least protuberance for a plurality of protuberances has extension；Wherein the extension from an at least protuberance towards with this at least one
The inner side extension of the corresponding through hole of protuberance, and top surface of the top surface less than an at least protuberance of the extension, this is a plurality of
At least one haptics generators of haptics generators are against the extension.
19. input unit as claimed in claim 18, it is characterised in that the sensing unit is membrane switches, the film is opened
Closing has a plurality of induction zones, and a plurality of induction zones are located at below a plurality of protuberances respectively, a plurality of induction zones
Each induction zone has a plurality of switching circuits, and wherein the shape of each induction zone of a plurality of induction zones with it is corresponding
The shape of each protuberance of a plurality of protuberances is similar.
20. input unit as claimed in claim 19, it is characterised in that the shape of an at least induction zone for a plurality of induction zones
Shape is all U-shaped with the shape of corresponding protuberance.
21. input unit as claimed in claim 18, it is characterised in that a plurality of protuberances are below hardness 70A silicon
Made by glue material.
22. input unit as claimed in claim 18, it is characterised in that also include：
Circuit is controlled, it is coupled to the sensing unit and the circuit layer, and the control circuit receives the trigger signal and exported respectively
Drive signal gives a plurality of haptics generators；
Wherein, when the external world applies pressing force in one of a plurality of keycap areas, the pressing force passes through the power conducting shell
Transmission makes the corresponding sensing unit export the trigger signal, and then make corresponding to trigger the corresponding sensing unit downwards
Haptics generators receive the drive signal and shaken.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349550.9A CN105185631B (en) | 2015-06-23 | 2015-06-23 | Press-key structure and input unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349550.9A CN105185631B (en) | 2015-06-23 | 2015-06-23 | Press-key structure and input unit |
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| CN105185631A CN105185631A (en) | 2015-12-23 |
| CN105185631B true CN105185631B (en) | 2017-07-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080251364A1 (en) * | 2007-04-11 | 2008-10-16 | Nokia Corporation | Feedback on input actuator |
| CN201975313U (en) * | 2010-12-29 | 2011-09-14 | 深圳天珑无线科技有限公司 | Navigation key pressing mechanism |
| CN103165328A (en) * | 2013-02-25 | 2013-06-19 | 苏州达方电子有限公司 | Force feedback keyboard structure |
| CN104681334A (en) * | 2015-02-17 | 2015-06-03 | 苏州达方电子有限公司 | Key structure and input device |
-
2015
- 2015-06-23 CN CN201510349550.9A patent/CN105185631B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080251364A1 (en) * | 2007-04-11 | 2008-10-16 | Nokia Corporation | Feedback on input actuator |
| CN201975313U (en) * | 2010-12-29 | 2011-09-14 | 深圳天珑无线科技有限公司 | Navigation key pressing mechanism |
| CN103165328A (en) * | 2013-02-25 | 2013-06-19 | 苏州达方电子有限公司 | Force feedback keyboard structure |
| CN104681334A (en) * | 2015-02-17 | 2015-06-03 | 苏州达方电子有限公司 | Key structure and input device |
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| Publication number | Publication date |
|---|---|
| CN105185631A (en) | 2015-12-23 |
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