CN102737893A - Luminescent keyboard - Google Patents
Luminescent keyboard Download PDFInfo
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- CN102737893A CN102737893A CN2011100883487A CN201110088348A CN102737893A CN 102737893 A CN102737893 A CN 102737893A CN 2011100883487 A CN2011100883487 A CN 2011100883487A CN 201110088348 A CN201110088348 A CN 201110088348A CN 102737893 A CN102737893 A CN 102737893A
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- wiring board
- overlap joint
- contact
- transmission line
- joint zone
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Abstract
The invention relates to a luminescent keyboard. The luminescent keyboard comprises a main circuit board, a membrane switch circuit and a luminescent circuit board, wherein the membrane switch circuit comprises a first overlap region and a bus and is connected with the main circuit board by utilizing the bus. The luminescent circuit board comprises a second overlap region connected with the first overlap region and is electrically connected with the main circuit board by utilizing the first overlap region and the second overlap region and the bus. The invention is advantaged in that circuit configuration is simple, and cost and internal thickness can be reduced.
Description
Technical field
The present invention especially has the illuminated keyboard of lighting function about a kind of keyboard.
Background technology
At first, the structure and the function of existing keyboard is described, seen also Fig. 1, it is the surface structure sketch map of existing keyboard.Have a plurality of buttons 10 on the surface of existing keyboard 1; Those buttons 10 are classified as general key 101, numerical key 102 and function key 103 etc., and those buttons supply users to press with finger and produce corresponding signal to computer, make computer carry out touched keypress function; For example general key 101 is in order to symbols such as inputting English letters; Numerical key 102 is in order to input digit, and function key 103 is then in order to provide various functions, for example F1～F12 etc.
Evolution along with science and technology; Keyboard manufacturer is devoted to research and develop various keyboards with specific function to satisfy different users's various demands; With the illuminated keyboard with lighting function is the example explanation; The outward appearance of the outward appearance of its existing illuminated keyboard and existing keyboard 1 is identical, so the internal structure of the existing illuminated keyboard of main explanation.See also Fig. 2, it is the partial structurtes decomposing schematic representation of existing illuminated keyboard.Existing illuminated keyboard 2 comprises at least one button 20 (only showing among the figure), a metal base plate 21, a film switch circuit 22, an elastomer thin film 23, a light-emitting film switching circuit 24 and a main circuit board 25.Button 20 comprises a button cap 201, one a scissor Connection Element 202 and an elastomer 203.In the existing illuminated keyboard 2; Basipetal the putting in order of above-mentioned each element is button cap 201, scissor Connection Element 202, elastomer 203, elastomer thin film 23, light-emitting film switching circuit 24, film switch circuit 22 and metal base plate 21, and main circuit board 25 then is positioned at a side of film switch circuit 22.
In the button 20; Button cap 201 is revealed in outside the existing illuminated keyboard 2 and can the person of being used presses; Scissor Connection Element 202 is in order to connection button cap 201 and metal base plate 21, and elastomer 203 passes scissor Connection Element 202 and contacts with button cap 201 and film switch circuit 22 respectively.Film switch circuit 22 has a plurality of circuit junctions 221, one first transmission line 222 and one first bus 223 corresponding to a plurality of buttons 20.First transmission line 222 is connected in a plurality of circuit junctions 221 and first bus 223, and first bus 223 is connected in main circuit board 25.A plurality of circuit junctions 221 in response to a plurality of button 20 touched and produce signal and by first transmission line 222 and first bus, 223 transmission signals to main circuit board 25.The required electric power of film switch circuit 22 is also by first transmission line 222 and first bus 223 and obtain.
Elastomer thin film 23 is between elastomer 203 and light-emitting film switching circuit 24; In order to fixing elastomer 203 on it; And elastomer thin film 23 has a light shield layer 231, and wherein elastomer 203 is to be fixed on the elastomer thin film 23 by a viscose, and elastomer 203 is a printing opacity rubber.Light-emitting film switching circuit 24 comprises a plurality of light emitting source 241, one second transmission line 242 and one second bus 243.Light emitting source 241 is in order to produce a light beam; Second transmission line 242 is connected in the light emitting source 241 and second bus 243; And second bus 243 is connected in main circuit board 25; In order to obtain electric power, wherein this electric power is to be transferred to light emitting source 241 by second bus 243 and second transmission line 242, makes light emitting source 241 obtain electric power and be able to produce light beam.
Existing illuminated keyboard 2 is quite similar with the internal structure of existing keyboard 1, and these both differences only are the existing illuminated keyboard 2 extra light-emitting film switching circuits 24 that comprised.Therefore; General keyboard manufactory extra adding light-emitting film switching circuit 24 and form and have illuminated keyboard 2 now in existing keyboard 1; That is to say; Existing keyboard 1 is transmission signals and electric power by first bus 223 that is connected in main circuit board 25, and existing illuminated keyboard 2 then must just be able to transmission signals and electric power by first bus 223 that is connected to main circuit board 25 and second bus 243.In the extra existing illuminated keyboard 2 that light-emitting film switching circuit 24 is set; Its second transmission line 242 is except must being connected in second bus 243; Second transmission line 242 more must be avoided first transmission line 222, makes that its circuit arrangement is comparatively complicated and is difficult to carry out circuit design.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned deficiency that prior art exists, a kind of illuminated keyboard with ball bearing made using configuration is provided.
Another technical problem that the present invention will solve is that the above-mentioned deficiency to prior art exists provides a kind of illuminated keyboard that reduces cost.
The another technical problem that the present invention will solve is that the above-mentioned deficiency to prior art exists provides a kind of illuminated keyboard that reduces its inner thickness.
The technical solution adopted for the present invention to solve the technical problems provides a kind of illuminated keyboard; It comprises main circuit board, film switch circuit, luminous circuit board and at least one button; Wherein, this film switch circuit is connected in this main circuit board, and this film switch circuit comprises at least one button contact, first transmission line and the bus that produces signal in order to be triggered; This first transmission line is connected in this button contact, and this first transmission line has the first overlap joint zone; This bus is connected in this main circuit board and this first transmission line; This luminous circuit board is stacked and placed on this film switch circuit, and this luminous circuit board comprises at least one light emitting source and second transmission line, and this at least one light emitting source is arranged on first of this luminous circuit board, in order to produce light beam; This second transmission line is arranged at this first of this luminous circuit board and goes up and be connected in this light emitting source, and this second transmission line has the second overlap joint zone; This at least one button is positioned at the top of this film switch circuit and corresponding to this button contact, in order to trigger this film switch circuit; Wherein this first overlap joint zone contacts with this second overlap joint zone, makes this luminous circuit board obtain electric power by this bus, this first transmission line and this second transmission line.
Alternatively, this film switch circuit is combined this first overlap joint zone and this second overlap joint zone with this luminous circuit board by pressing.
Alternatively; Said illuminated keyboard also comprises conducting resinl; This conducting resinl is arranged on this first overlap joint zone or this second overlap joint zone; And this film switch circuit and this luminous circuit board are made this conducting resinl hot melt by hot pressing, and this first overlap joint zone is combined by this conducting resinl with this second overlap joint zone.
Alternatively, said illuminated keyboard also comprises at least one elastomer, and this luminous circuit board also comprises light shield layer, and this light shield layer is arranged on second of this luminous circuit board, and in order to avoid light leak, wherein this at least one elastomer is arranged on this light shield layer.
Alternatively; Said illuminated keyboard also comprises base plate; This film switch circuit and this button are arranged at this base plate; And this at least one button comprises at least one button cap, at least one scissor Connection Element and at least one elastomer, and wherein, this at least one button cap is revealed in a surface of this illuminated keyboard; This at least one scissor Connection Element between this base plate and this at least one button cap, connects this base plate and this at least one button cap and this at least one button cap is moved up and down with respect to this base plate; This at least one elastomer is arranged on second of this luminous circuit board, and when this at least one button cap was touched, this at least one elastomer was compressed and replaces this film switch circuit, and this film switch circuit is triggered; And when this at least one button cap was no longer touched, this at least one elastomer provided elastic force to this at least one button cap, and this at least one button cap is resetted.
Alternatively, this film switch circuit also comprises wiring board, line plate and separator, and wherein, wiring board has at least one upper contact on this, and this first transmission line, this first overlap joint zone and this bus are arranged on this on wiring board; This line plate is positioned at a side of wiring board on this; Have at least one contact and the 3rd transmission line down corresponding to this at least one upper contact; This at least one upper contact and this at least one contact down form at least one button contact; This time contact contacts with this upper contact when this film switch circuit is touched and produces this signal; And the 3rd transmission line has the 3rd overlap joint zone, and the contact loop of wiring board and this line plate on this is set up in the 3rd overlap joint zone in order to contact with this first overlap joint zone; Between wiring board and this line plate, this separator has at least one separator perforate corresponding to this at least one upper contact to this separator on this, and this at least one separator perforate is stretched into by this at least one upper contact when this film switch circuit is touched.
Alternatively, this film switch circuit also comprises wiring board, line plate and separator, and wherein, wiring board has at least one upper contact and the 3rd transmission line on this, and the 3rd transmission line has the 3rd overlap joint zone; This line plate is positioned at a side of wiring board on this; Has at least one contact down corresponding to this at least one upper contact; And this at least one upper contact with should be at least one down contact form at least one button contact, contact contacted with this at least one upper contact when this film switch circuit is touched and produces this signal under this was at least one; Wherein this first transmission line, this first overlap joint zone and this bus are arranged on this line plate, and the contact loop of wiring board and this line plate on this is set up in this first overlap joint zone with regional contact of the 3rd overlap joint; Between wiring board and this line plate, this separator has at least one separator perforate corresponding to this at least one upper contact to this separator on this, and this separator perforate is stretched into by this at least one upper contact when this film switch circuit is touched.
The present invention also provides a kind of illuminated keyboard; It comprises main circuit board, first wiring board, second wiring board, luminous circuit board and at least one button; Wherein, this first wiring board has at least one first contact, first transmission line and bus, and this first transmission line has the first overlap joint zone; And this first contact and this first transmission line are connected in this bus, and this bus is connected in this main circuit board; This second wiring board is positioned at a side of this first wiring board, has at least one second contact corresponding to this first contact, and this second contact contacts with this first contact when this first wiring board or this second wiring board are touched; This luminous circuit board is between this first wiring board and this second wiring board and form film switch circuit with this first wiring board and this second wiring board; This luminous circuit board comprises at least one separator perforate, at least one light emitting source and second transmission line; Wherein, this at least one separator perforate is stretched into by this at least one first contact or this at least one second contact corresponding to this first contact and when this film switch circuit is touched; This at least one light emitting source is arranged on first of this luminous circuit board, in order to produce a light beam; This second transmission line is arranged at this first of this luminous circuit board and goes up and be connected in this light emitting source, and this second transmission line has the second overlap joint zone; This at least one button is positioned at the top of this first wiring board and corresponding to this at least one first contact, in order to trigger this first wiring board; Wherein this first overlap joint zone contacts with this second overlap joint zone, makes this luminous circuit board obtain electric power by this bus, this first transmission line and this second transmission line.
Alternatively, this first wiring board is combined this first overlap joint zone and this second overlap joint zone with this luminous circuit board by the pressing mode.
Alternatively; Said illuminated keyboard also comprises conducting resinl, and this conducting resinl is arranged on this first overlap joint zone or this second overlap joint zone, and this first wiring board and this luminous circuit board are by hot pressing; Make this conducting resinl hot melt, and this first overlap joint zone is combined by this conducting resinl with this second overlap joint zone.
Alternatively, this second wiring board also comprises the 3rd transmission line, and the 3rd transmission line has the 3rd overlap joint zone, the regional contact loop of setting up this first wiring board and this second wiring board in order to contact with this first overlap joint zone of the 3rd overlap joint; Wherein this first wiring board is a wiring board on, and this second wiring board is a wiring board.
Alternatively, this second wiring board also comprises the 3rd transmission line, and the 3rd transmission line has the 3rd overlap joint zone, the regional contact loop of setting up this first wiring board and this second wiring board in order to contact with this first overlap joint zone of the 3rd overlap joint; Wherein this first wiring board is a wiring board, and this second wiring board is a wiring board on.
Alternatively; Said illuminated keyboard also comprises base plate; This first wiring board, this second wiring board and this button are arranged on this base plate; And this at least one button comprises at least one button cap, at least one scissor Connection Element and at least one elastomer, and wherein, this at least one button cap is revealed in a surface of this illuminated keyboard; This at least one scissor Connection Element connects this base plate and this at least one button cap and this at least one button cap is moved up and down with respect to this base plate between this base plate and this at least one button cap; This at least one elastomer is arranged on the elastomer thin film of this illuminated keyboard; When this at least one button cap is touched; This at least one elastomer is compressed and replaces this first wiring board or this second wiring board, and this first wiring board or this second wiring board are triggered; And when this at least one button cap was no longer touched, this at least one elastomer provided an elastic force to this at least one button cap, and this at least one button cap is resetted.
Illuminated keyboard of the present invention mainly utilizes the overlap joint zone of second on the luminous circuit board regional with first overlap joint on the film switch circuit or first wiring board and combine second transmission line of luminous circuit board and first transmission line on the film switch circuit or first wiring board; Make luminous circuit board not need extraly bus is set and can be connected in main circuit board, to obtain required electric power by first transmission line on the film switch circuit or first wiring board.Therefore can save the extra cost that bus is set.Moreover; Because luminous circuit board must not be provided with bus, and its second transmission line also need not be connected in bus, therefore; Only need design the circuit that is connected in the second overlap joint zone in the luminous circuit board, make the circuit arrangement of luminous circuit board can carry out circuit design easily merely.In addition; Illuminated keyboard of the present invention can change the arrangement mode of its inner member according to different demands; Structure and function with elastomer thin film are integrated on the luminous circuit board; Or the structure of separator is integrated on the luminous circuit board, therefore can reduce the thickness of elastomer thin film originally or separator, to reduce the internal height of illuminated keyboard.
Description of drawings
Fig. 1 is the surface structure sketch map of existing keyboard.
Fig. 2 is the partial structurtes decomposing schematic representation of existing illuminated keyboard.
Fig. 3 is the partial structurtes decomposing schematic representation of illuminated keyboard first preferred embodiment of the present invention.
Fig. 4 is the film switch circuit of illuminated keyboard first preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of luminous circuit board.
Fig. 5 is that the film switch circuit of illuminated keyboard first preferred embodiment of the present invention is combined preceding structure schematic side view with luminous circuit board.
Fig. 6 is that film switch circuit and the luminous circuit board of illuminated keyboard first preferred embodiment of the present invention is by the structure schematic side view after combining.
Fig. 7 is the partial structurtes decomposing schematic representation of illuminated keyboard second preferred embodiment of the present invention.
Fig. 8 is the film switch circuit of illuminated keyboard second preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of luminous circuit board.
Fig. 9 is the partial structurtes decomposing schematic representation of illuminated keyboard the 3rd preferred embodiment of the present invention.
Figure 10 is the partial structurtes decomposing schematic representation of illuminated keyboard the 4th preferred embodiment of the present invention.
Embodiment
In view of the defective of prior art, the present invention provides a kind of illuminated keyboard.See also Fig. 3, it is for the partial structurtes decomposing schematic representation of illuminated keyboard first preferred embodiment of the present invention.Illuminated keyboard 3 comprises a base plate 30, a main circuit board 31, a film switch circuit 32, a luminous circuit board 33 and a plurality of button 34 (only showing among the figure).Base plate 30 is positioned at the below of film switch circuit 32, luminous circuit board 33 and a plurality of button 34, in order to support film switching circuit 32, luminous circuit board 33 and a plurality of button 34.Each button 341 comprises a button cap 341, one a scissor Connection Element 342 and an elastomer 343, and button cap 341 is revealed in the surface of illuminated keyboard 3, presses in order to the person of being used.Scissor Connection Element 342 is between button cap 341 and luminous circuit board 33; In order to being connected in button cap 341 and base plate 30, and elastomer 343 is between button cap 341 and luminous circuit board 33, in order to when button cap 341 is touched, to replace luminous circuit board 33; The film switch circuit 32 of the below that is positioned at luminous circuit board 33 is triggered; In this preferred embodiment, luminous circuit board 33 is a light-emitting film switching circuit, and elastomer 343 is made with a printing opacity rubber.
Structure according to above-mentioned illuminated keyboard 3 can be known; When button cap 341 persons of being used press; Scissor Connection Element 342 makes button cap 341 move up and down with respect to base plate 30 in response to button cap 341 touched strength; And elastomer 343 is compressed and replaces luminous circuit board 33, and the button contact of the film switch circuit 32 that is positioned at luminous circuit board 33 belows is triggered.And when button cap 341 no longer was not used the person and presses, elastomer 343 provided an elastic force to button cap 341, and button cap 341 is resetted.
Next the structure of film switch circuit 32 is described.See also Fig. 4, it is for the film switch circuit of illuminated keyboard first preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of luminous circuit board.Film switch circuit 32 comprises wiring board 321 on, a separator 322 and wiring board 323 once; Comprise having a plurality of upper contact 3211, one first transmission line 3212 and a bus 3213 and go up wiring board 321, and a plurality of upper contact 3211 and first transmission line 3212 are arranged at the lower surface 3214 of wiring board 321.First transmission line 3212 is connected in a plurality of upper contacts 3211, and first transmission line 3212 has the regional 3212A of one first overlap joint, and bus 3213 is connected in the main circuit board 31 and first transmission line 3212.Line plate 323 is positioned at a side of wiring board 321; Have a plurality of contact 3231 and one the 3rd transmission lines 3232 down corresponding to a plurality of upper contacts 3211; And a plurality of down contacts 3231 and the 3rd transmission line 3232 are arranged at the upper surface 3233 of line plate 323, so a plurality of contacts 3231 down and the 3rd transmission line 3232 are to show with solid line among Fig. 4.Following contact 3231 forms the button contacts with upper contact 3211, and contact 3231 produces signal in order to when film switch circuit 32 is touched, to contact with upper contact 3211 down.And the 3rd transmission line 3232 has the regional 3232A of one the 3rd overlap joint; The position of the regional 3232A of the 3rd overlap joint is corresponding to the position of the regional 3212A of first overlap joint of last wiring board 321, and the regional 3232A of the 3rd overlap joint sets up a contact loop (not being shown among the figure) of wiring board 321 and line plate 323 in order to contact with the regional 3212A of first overlap joint.On the other hand, the position in second of the luminous circuit board 33 overlap joint zone 3321 is corresponding to the regional 3212A of first overlap joint of last wiring board 321.As for separator 322, it is between last wiring board 321 and line plate 323, and separator 322 has a plurality of separator perforates 3221 corresponding to a plurality of upper contacts 3211, in order to when film switch circuit 32 is touched, to be inserted into wherein by upper contact 3211.
Next the situation that film switch circuit 32 is combined with luminous circuit board 33 is described.See also Fig. 5, its film switch circuit for illuminated keyboard first preferred embodiment of the present invention is combined preceding structure schematic side view with luminous circuit board.Fig. 5 has shown that last wiring board 321, separator 322 and line plate 323 are by the film switch circuit 32 that combines and form; And luminous circuit board 33 is superimposed on film switch circuit 32; And this has a conducting resinl 35 between the two; Conducting resinl 35 is set on the regional 3212A of first overlap joint of film switch circuit 32, and in this preferred embodiment, conducting resinl 35 is an anisotropic conductive (AnisotropicConductive Film; ACF), and film switch circuit 32 and the cohesive process of luminous circuit board 33 be to adopt a hot pressing mode and combine these both.
In the cohesive process of film switch circuit 32 and luminous circuit board 33; Film switch circuit 32 and luminous circuit board 33 are carried out hot pressing; Make conducting resinl 35 hot melts on the regional 3212A of first overlap joint that is positioned at film switch circuit 32; And the second overlap joint zone 3321 on regional 3212A of overlap joint of first on the conducting resinl 35 combination film switching circuits 32 of hot melt and the luminous circuit board 33; At this moment, first transmission line 3212 on the film switch circuit 32 and the electric connection between second transmission line 332 on the luminous circuit board 33 are established, and be as shown in Figure 6.Therefore, luminous circuit board 33 required electric power E can be transferred to a plurality of light emitting sources 331 by main circuit board 31 (please with reference to Fig. 3), bus 3213, first transmission line 3212 (including the regional 3212A of first overlap joint) and second transmission line 332 (including the second overlap joint zone 3321).
Know according to above-mentioned; Illuminated keyboard 3 in this preferred embodiment is provided with the second overlap joint zone 3321 on luminous circuit board 33; And utilize the regional 3212A of first on the film switch circuit 32 overlap joint to combine with second overlap joint regional 3321 on the luminous circuit board 33; Make luminous circuit board 33 not need extra setting to be connected in the bus of main circuit board 31, so illuminated keyboard 3 can be saved the extra cost that bus is set.Be not connected in film switch circuit 32 because its second transmission line 332 need not be connected in bus, the circuit of luminous circuit board 33 and film switch circuit 32 are shared, so the circuit arrangement of luminous circuit board 33 can be oversimplified.Moreover; Illuminated keyboard 3 in this preferred embodiment is not provided with in order to the fixing elastomer thin film of elastomer 343; But elastomer thin film and luminous circuit board 33 are combined; Therefore the illuminated keyboard 3 in this preferred embodiment can be saved the thickness that elastomer thin film is set, and reduces the internal height of illuminated keyboard 3.
Moreover illuminated keyboard of the present invention more proposes one second preferred embodiment.See also Fig. 7, it is for the partial structurtes decomposing schematic representation of illuminated keyboard second preferred embodiment of the present invention.Illuminated keyboard 4 comprises a base plate 40, a main circuit board 41, a film switch circuit 42, a luminous circuit board 43, a plurality of button 44 (only showing among the figure) and an elastomer thin film 45, and each button 44 comprises a button cap 441, one a scissor Connection Element 442 and an elastomer 443.The structure of the base plate 40 of the illuminated keyboard 4 of this preferred embodiment, main circuit board 41 and a plurality of button 44 with its put in order all identical with first preferred embodiment, so no longer add explanation.The illuminated keyboard 4 extra elastomer thin films 45 that are provided with of this preferred embodiment have a light shield layer 451 on the elastomer thin film 45, in order to avoiding light leakage phenomena, and elastomer 443 is to be arranged on the light shield layer 451.Film switch circuit 42 is the belows that are positioned at elastomer thin film 45,43 belows that are positioned at film switch circuit 42 of luminous circuit board, and main circuit board 41 then is arranged at a side of film switch circuit 42, and is connected in film switch circuit 42.
Next the thin bilge construction of film switch circuit 42 and luminous circuit board 43 is described, is seen also Fig. 8, it is the film switch circuit of illuminated keyboard second preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of luminous circuit board.Luminous circuit board 43 is stacked and placed on film switch circuit 42, and is positioned at the below of film switch circuit 42.Luminous circuit board 43 comprises a plurality of light emitting sources 431 and one second transmission line 432; A plurality of light emitting sources 431 are arranged on first 433 of luminous circuit board 43; In order to produce light beam (not being shown among the figure), in this preferred embodiment, first 433 of luminous circuit board is upper surface.Second transmission line 432 is arranged on first 433 of luminous circuit board, and is connected in light emitting source 431, and second transmission line 432 has one second overlap joint zone 4321.
Among Fig. 8; Film switch circuit 42 comprises wiring board 421 on, a separator 422 and wiring board 423 once; Have a plurality of upper contacts 4211 and one the 3rd transmission line 4212 and go up wiring board 421; And the 3rd transmission line 4212 has the regional 4212A of one the 3rd overlap joint, and wherein a plurality of upper contacts 4211 and the 3rd transmission line 4212 are arranged at the lower surface 4213 of wiring board 421.Line plate 423 is positioned at a side of wiring board 421; And it has a plurality of contact 4231, one first transmission line 4232 and buses 4233 down corresponding to a plurality of upper contacts 4211, and the wherein a plurality of contacts 4231 down and first transmission line 4232 are arranged at the upper surface 4234 of line plate 423.Each down contact 4231 form the button contacts with each upper contact 4211, and contact 4231 produces signal in order to when film switch circuit 42 is touched, to contact with upper contact 4211 down.First transmission line 4232 is connected in a plurality of contacts 4231 down; And first transmission line 4232 has the regional 4232A of one first overlap joint; Wherein the position of the regional 4232A of first overlap joint is corresponding to the regional 4212A of the 3rd overlap joint of last wiring board 421, and the regional 4232A of first overlap joint sets up a contact loop (not being shown among the figure) of wiring board 421 and line plate 423 in order to contact with the regional 4212A of the 3rd overlap joint.And bus 4233 is connected in the main circuit board 41 and first transmission line 4232.On the other hand, the position in second of the luminous circuit board 43 overlap joint zone 4321 is corresponding to the regional 4232A of first overlap joint of line plate 423.Separator 422 has a plurality of separator perforates 4221 corresponding to upper contact 4211, in order to when film switch circuit 42 is touched, to be inserted into wherein by upper contact 4211.
In this preferred embodiment, film switch circuit 42 and the cohesive process of luminous circuit board 43 are to adopt the pressing mode and combine these both.In this in both cohesive process, be arranged at first transmission line 4232 of the upper surface 4234 of line plate 423 and can be by the first regional 4232A of overlap joint contact with the second overlap joint zone 4321 on the luminous circuit board 43.When film switch circuit 42 and luminous circuit board 43 by pressing; The second overlap joint zone 4321 on the film switch circuit 42 first regional 4232A of overlap joint and the luminous circuit board 43 is combined; At this moment, first transmission line 4232 on the film switch circuit 42 and the electric connection between second transmission line 432 on the luminous circuit board 43 are established.Therefore, luminous circuit board 43 required electric power can be transferred to a plurality of light emitting sources 431 by main circuit board 41 (please with reference to Fig. 7), bus 4233, first transmission line 4232 (including the regional 4232A of first overlap joint) and second transmission line 432 (including the second overlap joint zone 4321).
Know according to above-mentioned; Illuminated keyboard 4 in this preferred embodiment is provided with the second overlap joint zone 4321 on luminous circuit board 43; And luminous circuit board 43 is stacked and placed on the below of film switch circuit 42, with second overlap joint regional 4321 on the regional 4232A of the overlap joint of first on the combination film switching circuit 42 and the luminous circuit board 43.Illuminated keyboard 4 in this preferred embodiment does not only need extra setting to be connected in the bus of main circuit board 41; More can the luminous circuit board 43 that be provided with the second overlap joint zone 4321 be combined with existing keyboard and forms the illuminated keyboard 4 in this preferred embodiment, so not need other die sinking and save cost.
Moreover illuminated keyboard of the present invention more proposes one the 3rd preferred embodiment.See also Fig. 9, it is for the partial structurtes decomposing schematic representation of illuminated keyboard the 3rd preferred embodiment of the present invention.Illuminated keyboard 5 comprises a base plate 50, a main circuit board 51, one first wiring board 52, a luminous circuit board 53, one second wiring board 54, a plurality of button 55 (only showing among the figure) and an elastomer thin film 56.Each button 55 comprises a button cap 551, one a scissor Connection Element 552 and an elastomer 553, and has a light shield layer 561 on the elastomer thin film 56, and in order to avoiding light leakage phenomena, and elastomer 553 is arranged on the light shield layer 561.The structure of the base plate 50 of the illuminated keyboard 5 of this preferred embodiment, main circuit board 51, a plurality of button 55 and elastomer thin film 56 with its put in order all identical with second preferred embodiment, so no longer add explanation.
Among Fig. 9, second wiring board 54 is between elastomer thin film 56 and luminous circuit board 53, and luminous circuit board 53 is between second wiring board 54 and first wiring board 52.First wiring board 52 is positioned at a side of second wiring board 54, and first wiring board 52 has a plurality of first contacts 521, one first transmission line 522 and a bus 523.First transmission line 522 is connected in a plurality of first contacts 521, and first transmission line 522 has one first overlap joint zone 5221.Second wiring board 54 has a plurality of second contacts 541 and one the 3rd transmission line 542 corresponding to a plurality of first contacts 521, and the 3rd transmission line 542 has one the 3rd overlap joint zone 5421.Each second contact 541 forms the button contact with corresponding first contact 521; And second contact 541 produces signal in order to when second wiring board 54 is touched, to contact with first contact 521, and wherein the position in the first overlap joint zone 5221 is corresponding to the 3rd overlap joint zone 5421 of first wiring board 52.And the main circuit board 51 that bus 523 is connected in a side that is positioned at second wiring board 54 with and first transmission line 522.In this preferred embodiment; First wiring board 52 is the line plate; And first contact 521 is contact down, so its first contact 521 and first transmission line 522 are that upper surface 524, the second wiring boards 54 that are arranged at first wiring board 52 then are last wiring board; And 541 of second contacts are upper contact, so its second contact 541 and the 3rd transmission line 542 are the lower surfaces 543 that are arranged at second wiring board 54.
When first wiring board 52, luminous circuit board 53 and second wiring board 54 combine; The second overlap joint zone 5321 on first wiring board 52 first overlap joint zone 5221 and the luminous circuit board 53 is combined; At this moment, first transmission line 522 on first wiring board 52 and the electric connection between second transmission line 532 on the luminous circuit board 53 are established.Therefore, luminous circuit board 53 required electric power can be transferred to a plurality of light emitting sources 531 by main circuit board 51, bus 523, first transmission line 522 (including the first overlap joint zone 5221) and second transmission line 532 (including the second overlap joint zone 5321).On the other hand, the overlap joint zone of first on first wiring board 52 5221 contacts with the 3rd overlap joint regional 542 and sets up a contact loop (not being shown among the figure) of second wiring board 54 and first wiring board 52.
What need special instruction is; In this preferred embodiment; First wiring board 52, luminous circuit board 53 and second wiring board 54 is common forms film switch circuits, and first wiring board 52, luminous circuit board 53 and second wiring board 54 are to adopt the pressing mode and combine the 5421 and first overlap joint zone 5221 and second, the 5221 and the 3rd overlap joint zone, the first overlap joint zone to overlap regional 5321.
Know that according to above-mentioned illuminated keyboard 5 in this preferred embodiment is that luminous circuit board 53 is arranged between first wiring board 52 and second wiring board 54, makes this three form film switch circuit jointly.Therefore, the illuminated keyboard in this preferred embodiment 5 has reduced the thickness of separator originally and has reduced the internal height of illuminated keyboard 5.
In addition, illuminated keyboard of the present invention more proposes one the 4th preferred embodiment.See also Figure 10, it is for the partial structurtes decomposing schematic representation of illuminated keyboard the 4th preferred embodiment of the present invention.Illuminated keyboard 6 comprises a base plate 60, a main circuit board 61, one first wiring board 62, a luminous circuit board 63, one second wiring board 64, a plurality of button 65 (only showing among the figure) and an elastomer thin film 66.Each button 65 comprises a button cap 651, one a scissor Connection Element 652 and an elastomer 653, and has a light shield layer 661 on the elastomer thin film 66, and in order to avoiding light leakage phenomena, and elastomer 653 is to be arranged on the light shield layer 661.Each element of the illuminated keyboard 6 of this preferred embodiment puts in order identically haply with the illuminated keyboard 5 of the 3rd preferred embodiment with it, and illuminated keyboard 5 differences of itself and the 3rd preferred embodiment are structure and first wiring board 62 and second wiring board, 64 positions of luminous circuit board 63.
Among Figure 10, first wiring board 62 is positioned at a side of second wiring board 64, and first wiring board 62 has a plurality of first contacts 621, one first transmission line 622 and a bus 623.First transmission line 622 is connected in a plurality of first contacts 621, and first transmission line 622 has one first overlap joint zone 6221.Second wiring board 64 has a plurality of second contacts 641 and one the 3rd transmission line 642 corresponding to a plurality of first contacts 621, and the 3rd transmission line 642 has one the 3rd overlap joint zone 6421.Luminous circuit board 63 comprises a plurality of light emitting source 631, one second transmission line 632 and a plurality of separator perforate 633, and second transmission line 632 has one second overlap joint zone 6321, and its position is corresponding to the first overlap joint zone 6221 of first wiring board 62.The structure of a plurality of light emitting source 631 second transmission lines 632 and a plurality of separator perforates 633 and function are all identical with the illuminated keyboard of the 3rd preferred embodiment 5 and repeat no more; Its difference is that second transmission line 632 is arranged on first 634 of luminous circuit board 63, and its first 634 is a upper surface.
In this preferred embodiment, first wiring board 62 is between elastomer thin film 66 and luminous circuit board 63, and luminous circuit board 63 is between first wiring board 62 and second wiring board 64.In first wiring board 62; Its a plurality of first contacts 621 and first transmission line 622 are arranged at the lower surface 624 of first wiring board 62; And in second wiring board 64, its a plurality of second contacts 641 and the 3rd transmission line 642 are arranged at the upper surface 643 of second wiring board 64.That is first wiring board 62 is last wiring board, and second wiring board 64 then is the line plate.And the illuminated keyboard 5 of the combination situation of first wiring board 62, luminous circuit board 63 and second wiring board 64 and the 3rd preferred embodiment is identical haply and no longer add explanation.
Can know according to above-mentioned each preferred embodiment; Illuminated keyboard of the present invention mainly is to utilize the overlap joint zone of second on the luminous circuit board regional with first overlap joint on the film switch circuit or first wiring board and combine second transmission line of luminous circuit board and first transmission line on the film switch circuit or first wiring board; Make luminous circuit board not need extraly bus is set and can be connected in main circuit board, to obtain required electric power by first transmission line on the film switch circuit or first wiring board.Therefore can save the extra cost that bus is set.Moreover; Because luminous circuit board must not be provided with bus, and its second transmission line also need not be connected in bus, therefore; Only need design the circuit that is connected in the second overlap joint zone in the luminous circuit board, make the circuit arrangement of luminous circuit board can carry out circuit design easily merely.In addition; Illuminated keyboard of the present invention can change the arrangement mode of its inner member according to different demands; Structure and function with elastomer thin film are integrated on the luminous circuit board; Or the structure of separator is integrated on the luminous circuit board, therefore can reduce the thickness of elastomer thin film originally or separator, to reduce the internal height of illuminated keyboard.
The above is merely preferred embodiment of the present invention, is not in order to limiting claim scope of the present invention, and therefore all other do not break away from the equivalence of being accomplished under the disclosed spirit and change or modify, and all should be contained in the claim scope of the present invention.
Claims (13)
1. an illuminated keyboard is characterized in that, comprising:
Main circuit board;
Film switch circuit; Be connected in this main circuit board; This film switch circuit comprises at least one button contact, first transmission line and the bus that produces signal in order to be triggered, and this first transmission line is connected in this button contact, and this first transmission line has the first overlap joint zone; This bus is connected in this main circuit board and this first transmission line;
Luminous circuit board is stacked and placed on this film switch circuit, and this luminous circuit board comprises at least one light emitting source and second transmission line, and this at least one light emitting source is arranged on first of this luminous circuit board, in order to produce light beam; This second transmission line is arranged at this first of this luminous circuit board and goes up and be connected in this light emitting source, and this second transmission line has the second overlap joint zone; And
At least one button is positioned at the top of this film switch circuit and corresponding to this button contact, in order to trigger this film switch circuit; Wherein this first overlap joint zone contacts with this second overlap joint zone, makes this luminous circuit board obtain electric power by this bus, this first transmission line and this second transmission line.
2. illuminated keyboard as claimed in claim 1 is characterized in that, this film switch circuit is combined this first overlap joint zone and this second overlap joint zone with this luminous circuit board by pressing.
3. illuminated keyboard as claimed in claim 1; It is characterized in that; Also comprise conducting resinl, this conducting resinl is arranged on this first overlap joint zone or this second overlap joint zone, and this film switch circuit and this luminous circuit board are by hot pressing; Make this conducting resinl hot melt, and this first overlap joint zone is combined by this conducting resinl with this second overlap joint zone.
4. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises at least one elastomer; And this luminous circuit board also comprises light shield layer; This light shield layer is arranged on second of this luminous circuit board, and in order to avoid light leak, wherein this at least one elastomer is arranged on this light shield layer.
5. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises base plate, and this film switch circuit and this button are arranged at this base plate, and this at least one button comprises:
At least one button cap is revealed in a surface of this illuminated keyboard;
At least one scissor Connection Element between this base plate and this at least one button cap, connects this base plate and this at least one button cap and this at least one button cap is moved up and down with respect to this base plate; And
At least one elastomer is arranged on second of this luminous circuit board, and when this at least one button cap was touched, this at least one elastomer was compressed and replaces this film switch circuit, and this film switch circuit is triggered; And when this at least one button cap was no longer touched, this at least one elastomer provided elastic force to this at least one button cap, and this at least one button cap is resetted.
6. illuminated keyboard as claimed in claim 1 is characterized in that, this film switch circuit also comprises:
Last wiring board has at least one upper contact, and this first transmission line, this first overlap joint zone and this bus are arranged on this on wiring board;
The line plate; Be positioned at a side of wiring board on this; Have at least one contact and the 3rd transmission line down corresponding to this at least one upper contact; This at least one upper contact and this at least one contact down form at least one button contact; This time contact contacts with this upper contact when this film switch circuit is touched and produces this signal, and the 3rd transmission line has the 3rd overlap joint zone, and the contact loop of wiring board and this line plate on this is set up in the 3rd overlap joint zone in order to contact with this first overlap joint zone; And
Separator, between wiring board and this line plate, this separator has at least one separator perforate corresponding to this at least one upper contact on this, and this at least one separator perforate is stretched into by this at least one upper contact when this film switch circuit is touched.
7. illuminated keyboard as claimed in claim 1 is characterized in that, this film switch circuit also comprises:
Last wiring board has at least one upper contact and the 3rd transmission line, and the 3rd transmission line has the 3rd overlap joint zone;
The line plate; Be positioned at a side of wiring board on this; Has at least one contact down corresponding to this at least one upper contact; And this at least one upper contact with should be at least one down contact form at least one button contact, contact contacted with this at least one upper contact when this film switch circuit is touched and produces this signal under this was at least one; Wherein this first transmission line, this first overlap joint zone and this bus are arranged on this line plate, and the contact loop of wiring board and this line plate on this is set up in this first overlap joint zone with regional contact of the 3rd overlap joint; And
Separator, between wiring board and this line plate, this separator has at least one separator perforate corresponding to this at least one upper contact on this, and this separator perforate is stretched into by this at least one upper contact when this film switch circuit is touched.
8. an illuminated keyboard is characterized in that, comprising:
Main circuit board;
First wiring board has at least one first contact, first transmission line and bus, and this first transmission line has the first overlap joint zone, and this first contact and this first transmission line be connected in this bus, and this bus is connected in this main circuit board;
Second wiring board is positioned at a side of this first wiring board, has at least one second contact corresponding to this first contact, and this second contact contacts with this first contact when this first wiring board or this second wiring board are touched;
Luminous circuit board; Between this first wiring board and this second wiring board and form film switch circuit with this first wiring board and this second wiring board; This luminous circuit board comprises at least one separator perforate, at least one light emitting source and second transmission line; Wherein, this at least one separator perforate is stretched into by this at least one first contact or this at least one second contact corresponding to this first contact and when this film switch circuit is touched; This at least one light emitting source is arranged on first of this luminous circuit board, in order to produce a light beam; This second transmission line is arranged at this first of this luminous circuit board and goes up and be connected in this light emitting source, and this second transmission line has the second overlap joint zone; And
At least one button is positioned at the top of this first wiring board and corresponding to this at least one first contact, in order to trigger this first wiring board; Wherein this first overlap joint zone contacts with this second overlap joint zone, makes this luminous circuit board obtain electric power by this bus, this first transmission line and this second transmission line.
9. illuminated keyboard as claimed in claim 8 is characterized in that, this first wiring board is combined this first overlap joint zone and this second overlap joint zone with this luminous circuit board by the pressing mode.
10. illuminated keyboard as claimed in claim 9; It is characterized in that; Also comprise conducting resinl, this conducting resinl is arranged on this first overlap joint zone or this second overlap joint zone, and this first wiring board and this luminous circuit board are by hot pressing; Make this conducting resinl hot melt, and this first overlap joint zone is combined by this conducting resinl with this second overlap joint zone.
11. illuminated keyboard as claimed in claim 8; It is characterized in that; This second wiring board also comprises the 3rd transmission line; And the 3rd transmission line has the 3rd overlap joint zone, and the contact loop of this first wiring board and this second wiring board is set up in the 3rd overlap joint zone in order to contact with this first overlap joint zone; Wherein this first wiring board is a wiring board on, and this second wiring board is a wiring board.
12. illuminated keyboard as claimed in claim 8; It is characterized in that; This second wiring board also comprises the 3rd transmission line; And the 3rd transmission line has the 3rd overlap joint zone, and the contact loop of this first wiring board and this second wiring board is set up in the 3rd overlap joint zone in order to contact with this first overlap joint zone; Wherein this first wiring board is a wiring board, and this second wiring board is a wiring board on.
13. illuminated keyboard as claimed in claim 8 is characterized in that, also comprises base plate, this first wiring board, this second wiring board and this button are arranged on this base plate, and this at least one button comprises:
At least one button cap is revealed in a surface of this illuminated keyboard;
At least one scissor Connection Element between this base plate and this at least one button cap, connects this base plate and this at least one button cap and this at least one button cap is moved up and down with respect to this base plate; And
At least one elastomer; Be arranged on the elastomer thin film of this illuminated keyboard; When this at least one button cap was touched, this at least one elastomer was compressed and replaces this first wiring board or this second wiring board, and this first wiring board or this second wiring board are triggered; And when this at least one button cap was no longer touched, this at least one elastomer provided an elastic force to this at least one button cap, and this at least one button cap is resetted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110088348.7A CN102737893B (en) | 2011-04-08 | 2011-04-08 | Luminescent keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110088348.7A CN102737893B (en) | 2011-04-08 | 2011-04-08 | Luminescent keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102737893A true CN102737893A (en) | 2012-10-17 |
| CN102737893B CN102737893B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110088348.7A Expired - Fee Related CN102737893B (en) | 2011-04-08 | 2011-04-08 | Luminescent keyboard |
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| Country | Link |
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| CN (1) | CN102737893B (en) |
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| CN106229193A (en) * | 2016-08-17 | 2016-12-14 | 苏州达方电子有限公司 | Illuminated keyboard and Keysheet module |
| TWI578352B (en) * | 2015-08-25 | 2017-04-11 | 達方電子股份有限公司 | Keyboard |
| CN108633176A (en) * | 2017-03-24 | 2018-10-09 | 致伸科技股份有限公司 | Has the wiring thin film structure of extended function |
| CN110660604A (en) * | 2018-06-28 | 2020-01-07 | 群光电子(苏州)有限公司 | Anti-ghost key membrane switch device |
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| US6057517A (en) * | 1999-02-23 | 2000-05-02 | Texas Industrial Peripherals | Elastomeric keyboard incorporating a novel interconnect and back-lighting architecture |
| US6917000B2 (en) * | 2003-01-17 | 2005-07-12 | Lite-On Technology Corporation | Signal input device |
| CN101490776A (en) * | 2006-06-14 | 2009-07-22 | 奥尔约恩有限责任公司 | Electroluminescent lamp membrane switch |
| US7608792B1 (en) * | 2008-11-17 | 2009-10-27 | Sunrex Technology Corp. | Membrane keyboard/keypad with arrangement for uniformly lighting keys from background |
| US20100128427A1 (en) * | 2008-11-27 | 2010-05-27 | Kageyuki Iso | Keyboard, Lighting Module for Keyboard and Electronic Apparatus |
| US20100147660A1 (en) * | 2008-12-11 | 2010-06-17 | Jyh-Tsong Lin | Keyboard with Backlighting Functionality |
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| US6057517A (en) * | 1999-02-23 | 2000-05-02 | Texas Industrial Peripherals | Elastomeric keyboard incorporating a novel interconnect and back-lighting architecture |
| US6917000B2 (en) * | 2003-01-17 | 2005-07-12 | Lite-On Technology Corporation | Signal input device |
| CN101490776A (en) * | 2006-06-14 | 2009-07-22 | 奥尔约恩有限责任公司 | Electroluminescent lamp membrane switch |
| US7608792B1 (en) * | 2008-11-17 | 2009-10-27 | Sunrex Technology Corp. | Membrane keyboard/keypad with arrangement for uniformly lighting keys from background |
| US20100128427A1 (en) * | 2008-11-27 | 2010-05-27 | Kageyuki Iso | Keyboard, Lighting Module for Keyboard and Electronic Apparatus |
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| TWI578352B (en) * | 2015-08-25 | 2017-04-11 | 達方電子股份有限公司 | Keyboard |
| CN106229193A (en) * | 2016-08-17 | 2016-12-14 | 苏州达方电子有限公司 | Illuminated keyboard and Keysheet module |
| CN106229193B (en) * | 2016-08-17 | 2018-04-17 | 苏州达方电子有限公司 | Illuminated keyboard and Keysheet module |
| CN108633176A (en) * | 2017-03-24 | 2018-10-09 | 致伸科技股份有限公司 | Has the wiring thin film structure of extended function |
| CN110660604A (en) * | 2018-06-28 | 2020-01-07 | 群光电子(苏州)有限公司 | Anti-ghost key membrane switch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102737893B (en) | 2015-07-01 |
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