CN104347298A - Light emitting keyboard - Google Patents
Light emitting keyboard Download PDFInfo
- Publication number
- CN104347298A CN104347298A CN201310337033.0A CN201310337033A CN104347298A CN 104347298 A CN104347298 A CN 104347298A CN 201310337033 A CN201310337033 A CN 201310337033A CN 104347298 A CN104347298 A CN 104347298A
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- China
- Prior art keywords
- illuminated
- keycap
- keyboard
- button
- top plate
- Prior art date
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Classifications
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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
- H01H13/83—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 characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/024—Miscellaneous with inductive switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/07—UV or IR detection, e.g. of human body
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- Input From Keyboards Or The Like (AREA)
Abstract
The invention provides a light emitting keyboard, which comprises a light emitting element, a proximity sensor, a thin film circuit board and a plurality of press keys, wherein the press keys correspond to a plurality of thin film switches on the thin film circuit board and are communicated with the thin film switches, the light emitting element is used for providing light rays for the light emitting keyboard, and a perforating hole is formed in the film circuit board, and is used for containing the signal processing unit of the proximity sensor. The light emitting keyboard has the advantages that a sensing unit and the signal processing unit of the proximity sensor are used for sensing whether an object is approached to the light emitting keyboard or not, the proximity sensor can be contained without additional space, and the light emitting keyboard conforms with the miniaturization trend; the purpose of automatically switching on or off the light emitting keyboard according to the approaching condition of a user is realized.
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, because the information industry development is rapid, many users may use portable massaging device under various circumstances, such as notebook computer, mobile phone or personal digital assistant etc.At the environment that light is more weak, user may not see numeral and word that Chu's keyboard indicates, thus causes operational difficulty, and severe patient even may allow visual impairment because inadequate identification button indicates.Therefore, the release of illuminated keyboard 1 can improve user uses keyboard inconvenience in insufficient light place.What is more, by different luminescences configuration, can make and use the massaging device of illuminated keyboard 1 to seem more attractive in appearance, and then increase its market.
Refer to Fig. 1 ~ Fig. 3, Fig. 1 is the structure side view of known illuminated keyboard, the film circuit board of Fig. 2 for illuminated keyboard shown in Fig. 1 and the structural representation of keyboard pcb, and Fig. 3 is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 1.Illuminated keyboard 1 comprises reflecting plate 11, light guide plate 12, metal key-press base plate 13, film circuit board 14, multiple button 15, light-emitting component 16 and keyboard pcb 17, and film circuit board 14 is electrically connected at keyboard pcb 17 by winding displacement 171, and keyboard pcb 17 is connected to computer system (not indicating in figure) by wired mode (connecting line as USB (USB) or PS/2 interface) or wireless mode (as Wi-Fi); Wherein, film circuit board 14 comprises lower plywood 141, top plate 142 and the la m between lower plywood 141 and top plate 142 143, and lower plywood 141, la m 143 and top plate 142 are all made by transparent material.
Moreover, lower plywood 141 has the first circuit pattern 1411 be made up of with multiple lower contact 14112 multiple elargol circuit 14111, and top plate 142 has the second circuit pattern 1421 be made up of with multiple upper contact 14212 multiple elargol circuit 14211, again, la m 143 has corresponding to the contact perforate 1431 of multiple lower contact 14112 with multiple upper contact 14212, wherein, common shape one thin film switch 144 of the lower contact 14112 that each upper contact 14212 is corresponding with it.
Again, metal key-press base plate 13 is arranged at the below of film circuit board 14, with connecting thereon for multiple button 15, and the multiple base plate open-works 131 had corresponding to multiple button 15, and each button 15 correspondences are arranged at the top of each thin film switch 144, when arbitrary button 15 is pressed and moves down, this button 15 can support corresponding thin film switch 144, the thin film switch 144 making this corresponding is reached and is electrically conducted, and then produce a corresponding push button signalling to keyboard pcb 17, electronic component now on keyboard pcb 17 can carry out to this push button signalling the digital signal that signal transacting makes it convert computer system to can read.
Secondly, light-emitting component 16 is arranged at the side of light guide plate 12, light guide plate 12 is injected in order to provide light, and light guide plate 12 is arranged on reflecting plate 11, and its lower surface has in order to assemble and multiple light guiding points 121 of scattered beam, multiple light guiding points 121 is set up according to the position of corresponding multiple button 15.Wherein, when light injects light guide plate 12, light is flooded to whole light guide plate 12, and multiple light guiding points 121 can because of the relation of its material by light up and down scattering, up the light of scattering sequentially can be projected to multiple button 15 by multiple open-works 131 of metal key-press base plate 13 and film circuit board 14, and the light of down scattering can make light upwards reflect via the auxiliary of reflecting plate 11 again, the light provided to make light-emitting component 16 can by perfect utilization.As mentioned above, multiple button 15 can be made to produce luminous effect.
Known illuminated keyboard 1 must be the manually opened of response user, light-emitting component 16 is just driven to provide light, and the manual-lock of user must be responded, light-emitting component 16 is just made to stop luminescence, but, inconvenient by the mode of manual regulation and control lighting function for user, and user usually opens the lighting function of illuminated keyboard 1 under the environment that light is more weak, and when leaving, forgotten closedown, make illuminated keyboard 1 when unmanned use, light-emitting component 16 still continues to provide light, causes the waste of electric energy.
In view of this, Chinese utility model patent the 201440241st publication number discloses a kind of illuminated keyboard with proximity sense, when proximity sense senses user close to illuminated keyboard, light-emitting component is then automatically driven to provide light, and when proximity sense sense user leave illuminated keyboard time, also automatically make light-emitting component stop luminous, so namely can solve above-described defect.But, in this case, the signal processing unit of proximity sense is arranged in the housing of keyboard, and be adjacent to film circuit board, therefore must strengthen can the signal processing unit of accommodating proximity sense for the housing of illuminated keyboard, but does not just meet the miniaturization trend of illuminated keyboard towards light, thin, short and small development thus.
Therefore known illuminated keyboard still has the space of improvement.
Summary of the invention
Main purpose of the present invention is providing a kind of illuminated keyboard, especially about a kind of illuminated keyboard with proximity sense.
For achieving the above object, one embodiment of the invention proposes a kind of illuminated keyboard, comprising:
At least one light-emitting component, gives this illuminated keyboard in order to provide light;
One proximity sense, there is a sensing unit and be connected to a signal processing unit of this sensing unit, and when the sensed thing of this sensing units sense one enters a distance of reaction, this signal processing unit produces output one induced signal, to change an operating mode of this illuminated keyboard;
One film circuit board, has multiple thin film switch; And
Multiple button, in order to corresponding and the plurality of thin film switch of conducting;
Wherein, this film circuit board has at least one perforation, in order to this signal processing unit accommodating.
Another embodiment of the present invention proposes a kind of illuminated keyboard, comprising:
At least one light-emitting component, gives this illuminated keyboard in order to provide light;
One proximity sense, there is a sensing unit and be connected to a signal processing unit of this sensing unit, and when the sensed thing of this sensing units sense one enters a distance of reaction, this signal processing unit produces output one induced signal, to change an operating mode of this illuminated keyboard;
One film circuit board, the void area that there is multiple thin film switch region and be positioned at beyond the plurality of thin film switch region, and the plurality of thin film switch region is in order to arrange multiple thin film switch; And
Multiple button, in order to corresponding and the plurality of thin film switch of conducting;
Wherein, this film circuit board has at least one perforation, and in order to this signal processing unit accommodating, and this sensing unit is formed at this void area.
The illuminated keyboard that the present invention proposes can realize automatically whether close according to user and the object of the lighting function of unlatching or closedown illuminated keyboard.
Accompanying drawing explanation
Fig. 1 is the structure side view of known illuminated keyboard.
The film circuit board of Fig. 2 for illuminated keyboard shown in Fig. 1 and the structural representation of keyboard pcb.
Fig. 3 is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 1.
Fig. 4 is the structure side view of illuminated keyboard of the present invention in the first preferred embodiment.
The film circuit board of Fig. 5 for illuminated keyboard shown in Fig. 4 and the structural representation of keyboard pcb.
Fig. 6 is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 4.
The top plate of Fig. 7 for the film circuit board of illuminated keyboard shown in Fig. 4 and the three-dimensional exploded view of metal base plate.
Fig. 8 is the structure side view of illuminated keyboard of the present invention in the second preferred embodiment.
Fig. 9 is the structure side view of illuminated keyboard of the present invention in the 3rd preferred embodiment.
Figure 10 is the structure side view of illuminated keyboard of the present invention in the 4th preferred embodiment.
Wherein, description of reference numerals is as follows:
1 illuminated keyboard 2 illuminated keyboard
2 ' illuminated keyboard 2 ' ' illuminated keyboard
2 ' ' ' illuminated keyboard 11 reflecting plate
12 light guide plate 13 metal key-press base plates
14 film circuit boards more than 15 button
16 light-emitting component 17 keyboard pcbs
20 condenser type proximity senses 20 ' ' optical profile type proximity sense
21 reflecting plate 22 light guide plate
23 metal key-press base plate 24 film circuit boards
24 ' film circuit board 24 ' ' ' film circuit board
25 button 26 light-emitting components
27 keyboard pcb 28 light shield layers
29 fixed beds 29 ' ' fixed bed
131 base plate open-work 121 light guiding points
141 lower plywood 142 top plates
143 la m 144 thin film switches
171 winding displacement 201 induction antenna circuits
201a infra-red ray transmitting unit 201b infrared receiver unit
202 signal processing chips 202 ' ' signal processing chip
221 light guiding points 231 base plate holes
232 first fixed structure 233 second fixed structures
234 base plates are bored a hole 235 base plate open-works
241 lower plywood 241 ' lower plywoods
241 ' ' ' lower plywood 242 top plate
243 la m 244 thin film switches
245 ' ' to bore a hole 251 keycaps
251 ' ' keycap 252 elastomer
253 Connection Element 271 winding displacements
281 transmission region 282 lightproof areas
291 transmission region 292 lightproof areas
293 fixed bed perforation 1,411 first circuit patterns
1421 second circuit pattern 1431 contact perforates
2011 induction region 2,411 first circuit patterns
2412 light guiding points 2421 second circuit patterns
2431 perforate 2,511 first keycap fixed structures
2512 second keycap fixed structure 2513 infrared penetration regions
2521 top 2,531 first frameworks
2532 second framework 14111 elargol circuits
14112 times contact 14211 elargol circuits
14212 upper contact 24111 elargol circuits
24112 times contact 24211 elargol circuits
One end of 24212 upper contact 25,311 first frameworks
One end of the other end 25,321 second framework of 25312 first frameworks
The other end of 25322 second frameworks
Embodiment
Refer to Fig. 4 ~ Fig. 7, Fig. 4 is the structure side view of illuminated keyboard of the present invention in the first preferred embodiment, the film circuit board of Fig. 5 for illuminated keyboard shown in Fig. 4 and the structural representation of keyboard pcb, Fig. 6 is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 4, the top plate of Fig. 7 for the film circuit board of illuminated keyboard shown in Fig. 4 and the three-dimensional exploded view of metal base plate.
Illuminated keyboard 2 comprises and from bottom to top sequentially comprises reflecting plate 21, light guide plate 22, light shield layer 28, metal key-press base plate 23, film circuit board 24, fixed bed 29 and multiple button 25, and illuminated keyboard 2 also comprises the light-emitting component 26 of the side being arranged at light guide plate 22, be arranged at the proximity sense between reflecting plate 21 and fixed bed 29 and be electrically connected at the keyboard pcb 27 of film circuit board 24, keyboard pcb 27 is then connected to computer system (not indicating in figure) by wired mode (connecting line as USB (USB) or PS/2 interface) or wireless mode (as Wi-Fi), wherein, although in this preferred embodiment, light-emitting component 26 is position sides in light guide plate 22, and not as limit, the mode that can also embed is arranged at the suitable place of light guide plate 22.
Moreover, film circuit board 24 comprises lower plywood 241 and top plate 242, the upper surface of lower plywood 241 has the first circuit pattern 2411, and the first circuit pattern 2411 has multiple elargol circuit 24111 and multiple lower contact 24112, and the lower surface of top plate 242 has second circuit pattern 2421, and second circuit pattern 2421 has multiple elargol circuit 24211 and correspond to multiple upper contacts 24212 of multiple lower contact 24112; Wherein, between each upper contact 24212 lower contact 24112 corresponding thereto, there is a spacing distance, and jointly form a thin film switch 244 with corresponding lower contact 24112.Again, in order to make to have spacing distance between each upper contact 24212 lower contact 24112 corresponding thereto, in this preferred embodiment, film circuit board 24 more comprises a la m 243, is arranged between lower plywood 241 and top plate 242; Wherein, la m 243 has the multiple perforates 2431 corresponding to multiple lower contact 24112 and multiple upper contact 24212.
Secondly, metal key-press base plate 23 is with connecting thereon for multiple button 25, and the multiple base plate holes 231 had corresponding to multiple button 25, and multiple button 25 is arranged at corresponding to multiple thin film switch 244 part, and each button 25 all has keycap 251 and Connection Element 253, wherein, Connection Element 253 is arranged between metal key-press base plate 23 and keycap 251, in order to connection metal button base plate 23 and keycap 251, and keycap 251 can be moved up and down relative to metal key-press base plate 23.
In this preferred embodiment, Connection Element 253 is a scissor Connection Element, and comprises the first framework 2531 and the second framework 2532; And metal key-press base plate 23 has more first fixed structure 232 and the second fixed structure 233, and each button 25 in multiple button 25 has more an elastomer 252, it is fixed on fixed bed 29, and between keycap 251 and fixed bed 29, and elastomer 252 has a top 2521; In addition, the keycap 251 of each button 25 all comprises one first keycap fixed structure 2511 and one second keycap fixed structure 2512.
Wherein, one end 25311 of first framework 2531 can be connected to the second fixed structure 233, and its other end 25312 can be connected to the first keycap fixed structure 2511, and one end 25321 of the second framework 2532 can be connected to first fixed structure 232, and its other end 25322 can be connected to the second keycap fixed structure 2512.Certainly, above are only an enforcement aspect, do not limit the connection relationship between Connection Element 253 of the present invention, metal key-press base plate 23 and keycap 251 with this.
Again, in this preferred embodiment, when arbitrary button 25 is touched and when moving down relative to film circuit board 24, first framework 2531 of Connection Element 253 and the second framework 2532 change to closed state by folding condition, and the keycap 251 moved down can extrude elastomer 252, the top 2521 of elastomer 252 is made to support its corresponding upper contact 24212, and then the upper contact 24212 making it corresponding contacts corresponding lower contact 24112 via corresponding contact perforate 2431, make corresponding thin film switch 244 reach whereby electrically conduct, a corresponding push button signalling is produced to keyboard pcb 27 to make film circuit board 24, keyboard pcb 27 carries out to this button 25 signal the digital signal that signal transacting makes it convert computer system to can read again, and be sent to computer system.In addition, when button 25 is no longer touched, keycap 251 can respond the elastic force of elastomer 252 and up move relative to film circuit board 24, and now the first framework 2531 and the second framework 2532 change to folding condition by closed state, and keycap 251 can set back.
Moreover, in this preferred embodiment, light-emitting component 26 is light-emitting diode, and light guide plate 22 can made by polyethylene terephthalate (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material, but not as limit.Wherein, light-emitting component 26 injects light guide plate 22 in order to provide light beam, and has in light guide plate 22 in order to assemble and multiple light guiding points 221 of scattered beam, and multiple light guiding points 221 is set up according to the position corresponding to multiple button 25; Wherein, when light beam injects light guide plate 22, light beam is flooded to whole light guide plate 22, and multiple light guiding points 221 can because of the relation of its material (as ink material) or its structure (as micro-structural) by be mapped to light guiding points 221 light beam up and down scattering.
Again, in this preferred embodiment, light shield layer 28 has the lightproof area 282 beyond corresponding to the transmission region 281 of the position of multiple button 25 and transmission region 281, and fixed bed 29 also has the lightproof area 292 beyond corresponding to the transmission region 291 of the position of multiple button 25 and transmission region 291, and the top plate 242 of film circuit board 24, lower plywood 241 and la m 243 are all be made up of light-transmitting materials, therefore can in sequentially by the transmission region 281 of light shield layer 28 by the light beam of multiple light guiding points 221 up scattering, the base plate holes 231 of metal key-press base plate 23, multiple button 25 is projected to after the transmission region 291 of film circuit board 24 and fixed bed 29, and by the bright dipping region of keycap 251 (as the symbol on button, numeral or word, do not indicate in figure) outwards export, user just can carry out operation under the environment that light is more weak whereby.
In addition, then reflecting plate 21 can be projected to by the light beam of multiple light guiding points 221 down scattering, and on reflecting plate 21, produce reflection to enter light guide plate 22 once again, therefore the light beam that light-emitting component 26 provides can not because being run off by the scattering downwards of multiple light guiding points 221, reclaim by so appropriate light, increase the efficiency of light of illuminated keyboard 2.
Again, proximity sense comprises sensing unit and is connected to the signal processing unit of sensing unit; In this preferred embodiment, proximity sense is a condenser type proximity sense 20, and sensing unit is an induction antenna circuit 201, and signal processing unit is then signal processing chip 202, and is electrically connected at keyboard pcb 27; Wherein, several induction region 2011 is distributed with in induction antenna circuit 201, when induction antenna circuit 201 is energized, induction antenna circuit 201 can form an induction field, if when now having a sensed thing closely to enter the distance of reaction of induction antenna circuit 201, this induction field can change, and the change of this induction field of signal processing chip 202 response produces output one induced signal to keyboard pcb 27, and then makes keyboard pcb 27 drive illuminated keyboard 2 transition operation pattern.
In this preferred embodiment, then judge there is human body proximity illuminated keyboard 2 when keyboard pcb 27 receives induced signal, therefore and then drive light-emitting component 26 output beam, to open the lighting function of illuminated keyboard 2; On the contrary, when human body is away from (when sensed thing leaves the distance of reaction of induction antenna circuit 201) during illuminated keyboard 2, this induction field also can change, the change of signal processing chip 202 response induction field produces and exports another induced signal to keyboard pcb 27, and then make keyboard pcb 27 stop driving light-emitting component 26, to close the lighting function of illuminated keyboard 2; Thus, illuminated keyboard 2 just can realize automatically whether close according to user and the object of the lighting function of unlatching or closedown illuminated keyboard 2.
Only, above are only according to the sensing result of proximity sense and a kind of embodiment of the operating mode of conversion luminescence keyboard 2, those of ordinary skill in the art all can carry out the design for change of any equalization according to practical application request, for example, change and be designed to, open or close other functions of illuminated keyboard 2 according to the sensing result of proximity sense.
Following explanation invention spirit of the present invention.Because signal processing chip 202 has suitable thickness, therefore in this preferred embodiment, film circuit board 24 has the perforation 245 running through la m 243 and lower plywood 241, and the base plate that metal key-press base plate 23 and light shield layer 28 also have a perforation 245 being communicated in film circuit board 24 respectively bore a hole 234 and light shield layer bore a hole 283, thus, signal processing chip 202 just can be placed in film circuit board 24 perforation 245, base plate perforation 234 and light shield layer perforation 283 in.
Moreover, in this preferred embodiment, induction antenna circuit 201 is formed at the lower surface of top plate 242 (in order to allow the clearer signal of Fig. 6, although the induction antenna circuit 201 in this preferred embodiment is the lower surfaces being formed at top plate 242, but still represent with solid black lines in diagram), and signal processing chip 202 is also arranged on the lower surface of top plate 242, to be connected to induction antenna circuit 201.Preferably, in order to make induction antenna circuit 201, there is preferably inductive effects, metal key-press base plate 23 also has multiple base plate open-works 235 of multiple the induction regions 2011 corresponding to induction antenna circuit 201, with the screen effect avoiding metal material to cause induction antenna circuit 201.In addition, in this preferred embodiment, film circuit board 24 and signal processing chip 202 are connected to keyboard pcb 27 by single winding displacement 271, but not as limit.
Known via above explanation, illuminated keyboard 2 of the present invention is embedded in by condenser type proximity sense 20 in fixed bed 29, film circuit board 24, metal key-press base plate 23 and light shield layer 28, therefore illuminated keyboard 2 does not need the extra installation space of increase to put for condenser type proximity sense 20, thus meets towards the miniaturization trend of light, thin, short and small development.
Certainly, above are only an embodiment, those of ordinary skill in the art all can carry out the design for change of any equalization according to practical application request, for example, change and be designed to, induction antenna circuit 201 is formed at the upper surface of fixed bed 29, the lower surface of fixed bed 29, the upper surface of top plate 242, the upper surface of la m 243, the lower surface of la m 243, the upper surface of lower plywood 241 or the lower surface of lower plywood 241, signal processing chip 202 is then arranged on the lower surface of fixed bed 29, the upper surface of top plate 242, the upper surface of la m 243, the lower surface of la m 243, the upper surface of lower plywood 241 or the lower surface of lower plywood 241, what illustrate is, induction antenna circuit 201 and signal processing chip 202 do not limit and will be arranged on same surface, that is, induction antenna circuit 201 and signal processing chip 202 are electrically connected mutually by mode connected vertically, run through at least any one the vertical wires in fixed bed 29, top plate 242, la m 243, lower plywood 241 or electrical contact as utilized.
Refer to Fig. 8, it is the structure side view of illuminated keyboard of the present invention in the second preferred embodiment.The package assembly of the illuminated keyboard 2 ' of this preferred embodiment is roughly similar to person described in the present invention first preferred embodiment, is namely no longer repeated at this.And this preferred embodiment and aforementioned first preferred embodiment difference are, illuminated keyboard 2 ' there is no and arranges light guide plate 22 and reflecting plate 21, and change to lower plywood 241 ' directly made by guide-lighting material, as polyethylene terephthalate (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material etc., and arrange in order to assemble and multiple light guiding points 2412 of scattered beam in lower plywood 241 ', and light-emitting component 26 is arranged at the side of lower plywood 241 ', thus, the lower plywood 241 ' of film circuit board 24 ' namely has light-guiding function, and then make illuminated keyboard 2 thin type more.Moreover in this preferred embodiment, the set-up mode of proximity sense 20 and operation principles, also as person described in the first preferred embodiment, or as the design for change person illustrated in aforementioned first preferred embodiment, therefore are just no longer being repeated.
In addition, the package assembly of above-mentioned illuminated keyboard 2 ' is also only an embodiment, those of ordinary skill in the art all can carry out the design for change of any equalization according to practical application request, for example, change and be designed to, la m directly made by guide-lighting material, and wherein arranges in order to assemble and multiple light guiding points of scattered beam, or be design for change for lower plywood is directly made by guide-lighting material, and wherein arrange in order to assemble and multiple light guiding points of scattered beam.
Refer to Fig. 9, it is the structure side view of illuminated keyboard of the present invention in the 3rd preferred embodiment.The illuminated keyboard 2 ' of this preferred embodiment ' package assembly be roughly similar to person described in the present invention first preferred embodiment, namely no longer repeated at this.And this preferred embodiment and aforementioned first preferred embodiment difference are, proximity sense is an optical profile type proximity sense 20 ' ', sensing unit comprises an an infra-red ray transmitting unit 201a and infrared receiver unit 201b, signal processing unit is then signal processing chip 202 ' ', and be electrically connected between keyboard pcb 27, infra-red ray transmitting unit 201a and infrared receiver unit 201b, in addition, the keycap 251 ' corresponding with infra-red ray transmitting unit 201a ' also there is an infrared penetration region 2513, and the infrared ray that infra-red ray transmitting unit 201a produces outwards penetrates from infrared penetration region 2513, if now have a sensed thing because closely having entered optical profile type proximity sense 20 ' ' distance of reaction and the infrared ray that produces by infra-red ray transmitting unit 201a project time, infrared ray can produce and reflects and change direct of travel, and then in being received by infrared receiver unit 201b through behind infrared penetration region 2513, signal processing chip 202 ' ' then therefore produce output one induced signal to keyboard pcb 27, and then make keyboard pcb 27 drive illuminated keyboard 2 ' ' transition operation pattern.
In this preferred embodiment, then judge there is human body proximity illuminated keyboard 2 ' when keyboard pcb 27 the receives induced signal lighting function of ', therefore and then drive light-emitting component 26 output beam, to open illuminated keyboard 2 ' '; On the contrary, when human body is away from illuminated keyboard 2 ' ' time (when not received infrared signal by infrared receiver list 201b unit), signal processing chip 202 ' ' then therefore export another induced signal to keyboard pcb 27, and then make keyboard pcb 27 stop drive light-emitting component 26, to close illuminated keyboard 2 ' ' lighting function; Thus, the object of the lighting function of illuminated keyboard 2 ' ' open or closedown illuminated keyboard 2 ' with regard to realizing automatically whether close according to user '.
Only, above are only according to the sensing result of proximity sense and a kind of embodiment of the operating mode of conversion luminescence keyboard 2, those of ordinary skill in the art all can carry out the design for change of any equalization according to practical application request, for example, change be designed to, according to proximity sense sensing result and open or close illuminated keyboard 2 ' ' other functions.
Moreover, in this preferred embodiment, signal processing chip 202 ' ' be arranged on the upper surface of lower plywood 241, infra-red ray transmitting unit 201a and infrared receiver unit 201b is then arranged at signal processing chip 202 ' ' on; Wherein, due to optical profile type proximity sense 20 ' ' there is suitable thickness, therefore in this preferred embodiment, film circuit board 24 ' ' there is the perforation 245 ' running through top plate 242 and la m 243 ', and the perforation 245 ' of fixed bed 29 ' ' also have respectively corresponding and be communicated in film circuit board 24 ' ' ' fixed bed perforation 293, thus, in the fixed bed perforation 293 of the perforation 245 ' of optical profile type proximity sense 20 ' ' just can be placed in film circuit board 24 ' ' ' and fixed bed 29 ' '.
Known via above explanation, illuminated keyboard 2 ' ' do not need the extra installation space of increase to put for proximity sense, thus meet towards the miniaturization trend of light, thin, short and small development.Certainly, above are only an embodiment, those of ordinary skill in the art all can carry out the design for change of any equalization according to practical application request, for example, change and be designed to, by optical profile type proximity sense 20 ' ' be arranged at the upper surface of la m 243 or the upper surface of top plate 242.
Refer to Figure 10, it is the structure side view of illuminated keyboard of the present invention in the 4th preferred embodiment.The illuminated keyboard 2 ' of this preferred embodiment ' ' package assembly be roughly similar to person described in the present invention the 3rd preferred embodiment, namely no longer repeated at this.And this preferred embodiment and aforementioned second preferred embodiment difference are, illuminated keyboard 2 ' ' ' there is no light guide plate 22 and reflecting plate 21 are set, and change to lower plywood 241 ' ' ' directly made by guide-lighting material, as polyethylene terephthalate (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material etc., and lower plywood 241 ' ' ' in arrange in order to assemble and multiple light guiding points 2412 of scattered beam, and light-emitting component 26 is arranged at lower plywood 241 ' ' ' side, thus, film circuit board 24 ' ' ' lower plywood 241 ' ' ' namely has light-guiding function, and then make illuminated keyboard 2 ' ' ' thin type more.Moreover, in this preferred embodiment, optical profile type proximity sense 20 ' ' set-up mode and operation principles also as person described in the 3rd preferred embodiment, or as the design for change person illustrated in aforementioned 3rd preferred embodiment, therefore just no longer repeated.
In addition, above-mentioned illuminated keyboard 2 ' ' ' package assembly be also only an embodiment, those of ordinary skill in the art all can carry out the design for change of any equalization according to practical application request, for example, change and be designed to, la m directly made by guide-lighting material, and wherein arranges in order to assemble and multiple light guiding points of scattered beam, or be design for change for lower plywood is directly made by guide-lighting material, and wherein arrange in order to assemble and multiple light guiding points of scattered beam.
The foregoing is only preferred embodiment of the present invention, and be not used to limit right of the present invention, under therefore all other does not depart from disclosed spirit, the equivalence that completes changes or modifies, and all should be contained in right of the present invention.
Claims (27)
1. an illuminated keyboard, comprising:
At least one light-emitting component, gives this illuminated keyboard in order to provide light;
One proximity sense, there is a sensing unit and be connected to a signal processing unit of this sensing unit, and when the sensed thing of this sensing units sense one enters a distance of reaction, this signal processing unit produces output one induced signal, to change an operating mode of this illuminated keyboard;
One film circuit board, has multiple thin film switch; And
Multiple button, in order to corresponding and the plurality of thin film switch of conducting;
Wherein, this film circuit board has at least one perforation, in order to this signal processing unit accommodating.
2. illuminated keyboard as claimed in claim 1, wherein when this signal processing unit produces this induced signal of output, this at least one light-emitting component provides light to give this illuminated keyboard.
3. illuminated keyboard as claimed in claim 1, wherein this proximity sense is a condenser type proximity sense, and this sensing unit is an induction antenna circuit.
4. illuminated keyboard as claimed in claim 3, wherein this film circuit board comprises:
One lower plywood, has one first circuit pattern, and this first circuit pattern has multiple lower contact; And
One top plate, there is a second circuit pattern, and the multiple upper contacts this second circuit pattern had corresponding to the plurality of lower contact, and between each this upper contact this lower contact corresponding thereto, there is a spacing distance, and the lower contact corresponding with this forms this thin film switch jointly;
Wherein, this induction antenna circuit is formed between this lower plywood and this top plate or a upper surface of this lower plywood or a lower surface of this top plate.
5. illuminated keyboard as claimed in claim 4, wherein this film circuit board also comprises a la m, be arranged between this top plate and this lower plywood, to make having this spacing distance between each this upper contact and each this lower contact, and this la m has the multiple perforates corresponding to the plurality of lower contact and the plurality of upper contact; Wherein, this induction antenna circuit is formed at this lower surface of this upper surface of this lower plywood, a lower surface of this lower plywood, a upper surface of this la m, a lower surface of this la m, a upper surface of this top plate or this top plate.
6. illuminated keyboard as claimed in claim 5, at least one wherein in this lower plywood, this la m and this top plate is made up of guide-lighting material.
7. illuminated keyboard as claimed in claim 3, also comprises a light shield layer, and this light shield layer has a lightproof area and corresponds to the transmission region of at least one button in the plurality of button; Wherein, this induction antenna circuit is formed at a upper surface of this shadow shield or a lower surface of this shadow shield.
8. illuminated keyboard as claimed in claim 3, also comprises a metal key-press base plate, with connecting thereon for the plurality of button; Wherein, this induction antenna circuit has at least one induction region, and this metal key-press base plate has at least one base plate holes corresponding to this at least one induction region.
9. illuminated keyboard as claimed in claim 8, wherein each this button comprises:
One keycap, is revealed in the outside of this illuminated keyboard; And
One Connection Element, is arranged between this metal key-press base plate and this keycap, in order to connect this metal key-press base plate and this keycap, and this keycap is moved up and down relative to this button base plate.
10. illuminated keyboard as claimed in claim 9, wherein each this button also comprises an elastomer, and it is arranged between this keycap and this metal key-press base plate, and has a top; Wherein, this Connection Element is a scissor Connection Element, and when this keycap is touched, this elastomer is made this top support this corresponding thin film switch by compressing, and when this keycap is no longer touched, this elastomer provides an elastic force to give this keycap and sets back to make this keycap.
11. illuminated keyboards as claimed in claim 1, wherein this proximity sense is an optical profile type proximity sense, and corresponds to this sensing unit person of this proximity sense in the plurality of button, has the button penetration region corresponding to this sensing unit.
12. illuminated keyboards as claimed in claim 11, wherein this film circuit board comprises:
One lower plywood, has one first circuit pattern, and this first circuit pattern has multiple lower contact; And
One top plate, there is a second circuit pattern, and the multiple upper contacts this second circuit pattern had corresponding to the plurality of lower contact, and between each this upper contact this lower contact corresponding thereto, there is a spacing distance, and the lower contact corresponding with this forms this thin film switch jointly;
Wherein, this optical profile type proximity sense is arranged at a upper surface of this lower plywood.
13. illuminated keyboards as claimed in claim 12, at least one wherein in this lower plywood and this top plate is made up of guide-lighting material.
14. illuminated keyboards as claimed in claim 1, also comprise a keyboard pcb, in order to be connected to a computer system; Wherein, this keyboard pcb is connected to this film circuit board and this proximity sense by single winding displacement.
15. 1 kinds of illuminated keyboards, comprising:
At least one light-emitting component, gives this illuminated keyboard in order to provide light;
One proximity sense, there is a sensing unit and be connected to a signal processing unit of this sensing unit, and when the sensed thing of this sensing units sense one enters a distance of reaction, this signal processing unit produces output one induced signal, to change an operating mode of this illuminated keyboard;
One film circuit board, the void area that there is multiple thin film switch region and be positioned at beyond the plurality of thin film switch region, and the plurality of thin film switch region is in order to arrange multiple thin film switch; And
Multiple button, in order to corresponding and the plurality of thin film switch of conducting;
Wherein, this film circuit board has at least one perforation, and in order to this signal processing unit accommodating, and this sensing unit is formed at this void area.
16. illuminated keyboards as claimed in claim 15, wherein when this signal processing unit produces this induced signal of output, this at least one light-emitting component provides light to give this illuminated keyboard.
17. illuminated keyboards as claimed in claim 15, wherein this proximity sense is a condenser type proximity sense, and this sensing unit is an induction antenna circuit.
18. illuminated keyboards as claimed in claim 17, wherein this film circuit board comprises:
One lower plywood, has one first circuit pattern, and this first circuit pattern has multiple lower contact; And
One top plate, there is a second circuit pattern, and the multiple upper contacts this second circuit pattern had corresponding to the plurality of lower contact, and between each this upper contact this lower contact corresponding thereto, there is a spacing distance, and the lower contact corresponding with this forms this thin film switch jointly;
Wherein, this induction antenna circuit be formed between this lower plywood and this top plate, a upper surface of this lower plywood or a lower surface of this top plate.
19. illuminated keyboards as claimed in claim 18, wherein this film circuit board also comprises a la m, be arranged between this top plate and this lower plywood, to make having this spacing distance between each this upper contact and each this lower contact, and this la m has the multiple perforates corresponding to the plurality of lower contact and the plurality of upper contact; Wherein, this induction antenna circuit is formed at this lower surface of this upper surface of this lower plywood, a lower surface of this lower plywood, a upper surface of this la m, a lower surface of this la m, a upper surface of this top plate or this top plate.
20. illuminated keyboards as claimed in claim 19, at least one wherein in this lower plywood, this la m and this top plate is made up of guide-lighting material.
21. illuminated keyboards as claimed in claim 17, also comprise a metal key-press base plate, with connecting thereon for the plurality of button; Wherein, this induction antenna circuit has at least one induction region, and this metal key-press base plate has at least one base plate holes corresponding to this at least one induction region.
22. illuminated keyboards as claimed in claim 21, wherein each this button comprises:
One keycap, is revealed in the outside of this illuminated keyboard; And
One Connection Element, is arranged between this metal key-press base plate and this keycap, in order to connect this metal key-press base plate and this keycap, and this keycap is moved up and down relative to this button base plate.
23. illuminated keyboards as claimed in claim 22, wherein each this button also comprises an elastomer, and it is arranged between this keycap and this metal key-press base plate, and has a top; Wherein, this Connection Element is a scissor Connection Element, and when this keycap is touched, this elastomer is made this top support this corresponding thin film switch by compressing, and when this keycap is no longer touched, this elastomer provides an elastic force to give this keycap and sets back to make this keycap.
24. illuminated keyboards as claimed in claim 15, wherein this proximity sense is an optical profile type proximity sense, and corresponds to this sensing unit person of this proximity sense in the plurality of button, has the button penetration region corresponding to this sensing unit.
25. illuminated keyboards as claimed in claim 24, wherein this film circuit board comprises:
One lower plywood, has one first circuit pattern, and this first circuit pattern has multiple lower contact; And
One top plate, there is a second circuit pattern, and the multiple upper contacts this second circuit pattern had corresponding to the plurality of lower contact, and between each this upper contact this lower contact corresponding thereto, there is a spacing distance, and the lower contact corresponding with this forms this thin film switch jointly;
Wherein, this optical profile type proximity sense is arranged at a upper surface of this this lower plywood.
26. illuminated keyboards as claimed in claim 15, at least one wherein in this lower plywood and this top plate is made up of guide-lighting material.
27. illuminated keyboards as claimed in claim 15, also comprise a keyboard pcb, in order to be connected to a computer system; Wherein, this keyboard pcb is connected to this film circuit board and this proximity sense by single winding displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337033.0A CN104347298A (en) | 2013-08-05 | 2013-08-05 | Light emitting keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337033.0A CN104347298A (en) | 2013-08-05 | 2013-08-05 | Light emitting keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104347298A true CN104347298A (en) | 2015-02-11 |
Family
ID=52502702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310337033.0A Pending CN104347298A (en) | 2013-08-05 | 2013-08-05 | Light emitting keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104347298A (en) |
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| CN108181999A (en) * | 2016-12-08 | 2018-06-19 | 致伸科技股份有限公司 | Multisection type input unit |
| CN108206113A (en) * | 2016-12-16 | 2018-06-26 | 致伸科技股份有限公司 | Illuminated keyboard |
| CN108538669A (en) * | 2017-07-28 | 2018-09-14 | 达方电子股份有限公司 | luminous key |
| CN109478887A (en) * | 2016-03-30 | 2019-03-15 | 陈�峰 | It is a kind of to have the optical switch device for blocking body and blocking motion space |
| CN109872905A (en) * | 2017-12-01 | 2019-06-11 | 致伸科技股份有限公司 | Illuminated keyboard |
| CN110718406A (en) * | 2019-09-19 | 2020-01-21 | 苏州达方电子有限公司 | Electronic device and keyboard thereof |
| CN114520120A (en) * | 2020-11-20 | 2022-05-20 | 致伸科技股份有限公司 | Keyboard device and key structure thereof |
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| CN110718406B (en) * | 2019-09-19 | 2023-02-14 | 苏州达方电子有限公司 | Electronic device and keyboard thereof |
| CN114520120A (en) * | 2020-11-20 | 2022-05-20 | 致伸科技股份有限公司 | Keyboard device and key structure thereof |
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Application publication date: 20150211 |