CN103177894A - Light-emitting keyboard - Google Patents
Light-emitting keyboard Download PDFInfo
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- CN103177894A CN103177894A CN2011104420855A CN201110442085A CN103177894A CN 103177894 A CN103177894 A CN 103177894A CN 2011104420855 A CN2011104420855 A CN 2011104420855A CN 201110442085 A CN201110442085 A CN 201110442085A CN 103177894 A CN103177894 A CN 103177894A
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Abstract
The invention relates to a light-emitting keyboard which comprises a plurality of keys, a membrane switch circuit, a reflecting piece, at least one light source and a main circuit board. The reflecting piece comprises a light source conduction line, the light source conduction line is connected to the membrane switch circuit, and the membrane switch circuit is connected to the main circuit board. The reflecting piece is arranged below the membrane switch circuit, and the at least one light source is arranged on the reflecting piece and connected to the light source conduction line, so that the main circuit board can transmit electric power to the at least one light source by means of the membrane switch circuit and the light source conduction line. The light-emitting keyboard has the advantages that the assembling process of the light-emitting keyboard is simplified, light-emitting effect is uniform, and the cost is reduced.
Description
Technical field
The present invention is about a kind of keyboard, especially about a kind of illuminated keyboard with lighting function.
Background technology
Keyboard is the computer peripheral apparatus of commonly using, in order to input characters or instruction to computer.See also Fig. 1, it is the surface structure schematic diagram 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., those buttons press with finger for users and produce corresponding signal and give computer, make computer carry out touched keypress function, such as general key 101 in order to symbols such as inputting English letters, numerical key 102 is in order to input numeral, and function key 103 is in order to provide various functions, such as F1～F12 etc.
Along with the evolution of science and technology, keyboard manufacturer is devoted to research and develop various keyboards with specific function satisfying different users's various demands, take illuminated keyboard with lighting function as example.The outward appearance of existing illuminated keyboard and the outward appearance of existing keyboard 1 are roughly the same, but the function of key light emitting is provided because of illuminated keyboard, therefore its internal structure is different from existing not luminous keyboard.Below explanation has the internal structure of illuminated keyboard now.See also Fig. 2, it is the structural profile schematic diagram of existing illuminated keyboard.Existing illuminated keyboard 2 comprises a plurality of buttons 20, a film switch circuit 21, a light guide plate 22, a light emitting module 23, a main circuit board 24, a reflector plate 25 and a base 26.Button 20 comprises a button cap 201, a button housing 202 and an elastomer 203.In existing illuminated keyboard 2, basipetal the putting in order of above-mentioned each element is button cap 201, button housing 202, elastomer 203, film switch circuit 21, light guide plate 22, reflector plate 25 and base 26, main circuit board 24 is positioned at a side of film switch circuit 22 and is connected in film switch circuit 22, in order to provide an electric power to give film switch circuit 22, light emitting module 23 is positioned at the opposite side of film switch circuit 22, and light emitting module 23 is connected in main circuit board 24 with electric wire (not being shown in figure) and obtains to come from the electric power of main circuit board 24.
In button 20, button cap 201 is revealed in outside existing illuminated keyboard 2 and can be pressed by the user, button housing 202 is in order to fixedly button cap 201 and elastomer 203, and elastomer 203 passes button housing 202 and contacts with button cap 201 and film switch circuit 21 respectively.Film switch circuit 21 comprises wiring board 211 on, a separator 212 and wiring board 213 once, it is all made with transparent material wherein going up wiring board 211, separator 212 and lower wiring board 213, and transparent material is Merlon (Polycarbonate, PC) or the material such as polyethylene terephthalate (Polyethylene Terephthalate, PET).Upper wiring board 211 has a plurality of upper contacts 2111, separator 212 is positioned at the below of wiring board 211, and have a plurality of separator perforates 2121 corresponding to a plurality of upper contacts 2111, and once wiring board 213 is positioned at the below of separator 212, and a plurality of lower contact 2131 and a plurality of lower contact 2131 that have corresponding to a plurality of upper contacts 2111 form a plurality of press-button contacts with a plurality of upper contacts 2111.Because film switch circuit 21 is connected in main circuit board 24 by this signal transmission to main circuit board 24.
in Fig. 2, light emitting module 23 comprises a luminous circuit board 231 and a plurality of light source 232 (only showing in figure), luminous circuit board 231 is positioned at the opposite side of film switch circuit 21, give a plurality of light-emitting components 232 in order to the electric power transfer that provides according to main circuit board 24, and a plurality of light sources 232 are arranged on luminous circuit board 231 and obtain electric power and produced many light beams, wherein a plurality of light sources 232 are arranged as row (not being shown in figure) and a plurality of light source 232 and non-limiting fitly arrangement, and can adjust according to the illumination effect of illuminated keyboard 2 position of its a plurality of light sources 232, to form irregular arrangement, make light emitting module 23 form a microscler light-emitting section (Light bar).Light guide plate 22 has a plurality of leaded lights zone 221, and a plurality of leaded lights zone 221 makes it be projected to button cap 201 in order to guide many light beams.The reflector plate 25 of existing illuminated keyboard 2 is positioned at the below of light guide plate 22, avoids the light quantity waste of light beam in order to reflect many light beams.Base 26 is positioned at the below of reflector plate 25, in order to carry button cap 201, button housing 202, elastomer 203, film switch circuit 21, light guide plate 22 and reflector plate 25.
In addition, in existing illuminated keyboard 2, has a transmission region 2011 on button cap 201, and transmission region 2011 is the position at letter or symbol place, wherein the position of transmission region 2011 is corresponding to the leaded light zone 221 on light guide plate 22, so that light beam sees through the leaded light site in leaded light zone 221 and is directed to its transmission region 2011.By this, letter or the symbol on its button cap 201 is able to printing opacity and has illumination effect.
Yet, in existing illuminated keyboard 2, the power source of its film switch circuit 21 and light emitting module 23 is all main circuit board 24, and main circuit board 24 is positioned at a side of film switch circuit 22, but light emitting module 23 is positioned at the opposite side of film switch circuit 22, make the luminous circuit board 231 of light emitting module 23 must carry out line configuring and just be connected in main circuit board 24, it is complicated that the assembling process of therefore existing illuminated keyboard 2 becomes.In addition, in its assembling process, the easy perk of luminous circuit board 231 or the irregular situation of generation assembling make many light beams that a plurality of light sources 232 produce to be projected to equably in light guide plate 22, cause the illumination effect of existing illuminated keyboard 2 inhomogeneous.
Summary of the invention
The technical problem that the present invention will solve is, for the prior art above shortcomings, provides a kind of illuminated keyboard of simplifying the illuminated keyboard assembling process.
Another technical problem that the present invention will solve is, for the prior art above shortcomings, provides a kind of illuminated keyboard with evenly luminous effect.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of illuminated keyboard, it comprises a plurality of buttons, film switch circuit, reflector plate and at least one light source, this film switch circuit has a plurality of press-button contacts, and each this press-button contact is corresponding to this button; This reflector plate is positioned at the below of this film switch circuit, and this reflector plate comprises the light source transmission line, and this light source transmission line is in order to transmit an electric power; This at least one light source is arranged on this reflector plate and is connected in this light source transmission line, in order to produce at least one light beam according to this electric power.
Preferably, this light source transmission line is arranged on a upper surface or a lower surface of this reflector plate, and this at least one light source is arranged on this upper surface of this reflector plate or this lower surface and is positioned at a side of this film switch circuit.
Preferably, this reflector plate is made with opaque polyethylene terephthalate (Polyethylene Terephthalate, PET).
Preferably, this reflector plate also comprises reflective printing ink, and this reflective printing ink is arranged on a upper surface of this reflector plate, make this reflector plate can reflect this at least one light beam, and this reflector plate is made with transparent polyethylene terephthalate.
Preferably, illuminated keyboard of the present invention also comprises main circuit board, and this main circuit board is connected in this film switch circuit, gives this film switch circuit and this light source transmission line in order to this electric power to be provided.
Preferably, this light source conducting wire also comprises the first overlap joint zone; And this film switch circuit comprises bus and transmission line, and this bus is connected in this main circuit board, in order to transmit this electric power or corresponding to a plurality of signals of these a plurality of press-button contacts; This transmission line is connected in these a plurality of press-button contacts and this bus, and this transmission line has the second overlap joint zone, in order to transmit this electric power from this main circuit board with this first overlap joint joint area of this light source conducting wire to this light source transmission line.
Preferably, this reflector plate also comprises the reflector plate bus, the first end of this reflector plate bus is connected in this light source conducting wire, and the second end of this reflector plate bus is connected in this main circuit board, in order to transmission from this electric power of this main circuit board to this light source transmission line.
Preferably, this film switch circuit also comprises wiring board, separator and lower wiring board, and wherein, on this, wiring board has at least one upper contact; This separator is positioned at the below of wiring board on this, and this separator has at least one separator perforate corresponding to this at least one upper contact, and this at least one separator perforate is in order to be stretched into by this at least one upper contact when this film switch circuit is touched; This time wiring board is positioned at the below of this separator, and has an at least one lower contact corresponding to this at least one upper contact, and this at least one upper contact forms at least one press-button contact with this at least one lower contact, and this time contact produces signal in order to contact with this upper contact when this film switch circuit is touched.
Preferably, upward at least one in wiring board, this separator and this time wiring board is made with optical material, and upward at least one in wiring board, this separator and this time wiring board has a plurality of light guide structures, in order to this at least one light beam of guiding, make bootable this at least one light beam of this film switch circuit and be projected to this a plurality of buttons.
Preferably, described illuminated keyboard also comprises main circuit board, this main circuit board is connected in this film switch circuit, in order to provide this electric power to give this film switch circuit and this light source transmission line, and this film switch circuit also comprises bus and transmission line, this bus is connected in this main circuit board, in order to transmit this electric power or corresponding to a plurality of signals of these a plurality of press-button contacts; This transmission line is connected in these a plurality of press-button contacts and this bus, in order to transmit this electric power or corresponding to a plurality of signals of these a plurality of press-button contacts; Wherein this transmission line and this bus are arranged on any one in wiring board on this, this separator and this time wiring board.
Preferably, described illuminated keyboard also comprises base plate, and in order to these a plurality of buttons of carrying, and each this button comprises button cap, scissor Connection Element and elastomer, and this button cap is revealed in the upper surface of this illuminated keyboard, and this button cap has transmission region; This scissor Connection Element is between this base plate and this button cap, in order to connect this base plate and this button cap and this button cap is moved up and down with respect to this base plate; This elastomer is between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and support this film switch circuit to trigger this corresponding press-button contact; And when this button cap was no longer touched, this elastomer provided an elastic force to give this button cap, and this button cap is resetted.
Preferably, described illuminated keyboard also comprises base, and in order to these a plurality of buttons of carrying, and each this button comprises button cap, button housing and elastomer, and this button cap is revealed in the upper surface of this illuminated keyboard, and this button cap has transmission region; This key-press shell body is positioned between this base and this button cap, in order to carry this button cap; This elastomer passes this button housing and between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and support this film switch circuit, to trigger this press-button contact; And when this button cap was no longer touched, this elastomer provided an elastic force to give this button cap, and this button cap is resetted.
Preferably, this at least one light source is lateral LED.
Illuminated keyboard of the present invention is arranged at light source on reflector plate, and be provided with the light source transmission line and make it and be connected with main circuit board on reflector plate, make light source can obtain to come from the electric power of main circuit board and produce light beam, and the light source transmission line is the silver slurry circuit that forms with mode of printing, make the electric connection between light source and main circuit board need not adopt the line configuring of existing entity, so can simplify the assembling process of illuminated keyboard.Moreover, the light source of illuminated keyboard of the present invention need not see through existing luminous circuit board and be set up, but be arranged on reflector plate, can solve thus the existing easy perk of luminous circuit board or assemble irregular problem, make illuminated keyboard of the present invention have more uniform illumination effect.Simultaneously, because illuminated keyboard of the present invention need not arrange luminous circuit board in wherein, so illuminated keyboard of the present invention has more the effect that reduces costs.
Description of drawings
Fig. 1 is the surface structure schematic diagram of existing keyboard.
Fig. 2 is the structural profile schematic diagram of existing illuminated keyboard.
Fig. 3 is the structure schematic side view of illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 4 is film switch circuit and the STRUCTURE DECOMPOSITION schematic diagram of reflector plate in the first preferred embodiment of illuminated keyboard of the present invention.
Fig. 5 is the structure schematic top plan view of lower wiring board in the first preferred embodiment of illuminated keyboard of the present invention.
Fig. 6 is the structure schematic side view of illuminated keyboard of the present invention in the second preferred embodiment.
Fig. 7 is film switch circuit and the STRUCTURE DECOMPOSITION schematic diagram of reflector plate in the second preferred embodiment of illuminated keyboard of the present invention.
Embodiment
In view of the defective of prior art, the invention provides a kind of illuminated keyboard.See also Fig. 3, it is the structural profile schematic diagram of illuminated keyboard of the present invention in the first preferred embodiment.Illuminated keyboard 3 comprises a plurality of buttons 30, a film switch circuit 31, a plurality of light source 32 (please refer to Fig. 4), a reflector plate 33, a main circuit board 34 and a base 35.Each button 30 comprises a button cap 301, a button housing 302 and an elastomer 303.In illuminated keyboard 3, basipetal the putting in order of above-mentioned each element is button cap 301, button housing 302, elastomer 303, film switch circuit 31, light source 32, reflector plate 33 and base 35, a plurality of light sources 32 are arranged on reflector plate 33 and are positioned at a side of film switch circuit 31, main circuit board 34 is positioned at the opposite side of film switch circuit 31, in order to an electric power to be provided.In this preferred embodiment, illuminated keyboard 3 is keyboards that a desktop PC is used, and a side of film switch circuit 31 is the lower side (side with space bar) of film switch circuit 31, and the opposite side of film switch circuit 31 is the upper side of film switch circuit 31 (side with function key F1).
In button 30, button cap 301 is revealed in the upper surface of illuminated keyboard 3 and can be pressed by the user, and button cap 301 has a transmission region 3011, that is the position at letter or symbol place.Button housing 302 is in order to fixedly button cap 301 and elastomer 303, and elastomer 303 passes button housing 302 and contacts with button cap 301 and film switch circuit 31 respectively, in this preferred embodiment, button housing 302 is made with light transmissive material, and elastomer 303 is made with printing opacity rubber.Film switch circuit 31 has a plurality of press-button contacts, and each press-button contact is corresponding to a button 30, film switch circuit 31 be connected in main circuit board 34 and can obtain to come from the electric power of main circuit board 34 or signal transmission to main circuit board 34.
Next please consult simultaneously Fig. 3 and Fig. 4, Fig. 4 is film switch circuit and the STRUCTURE DECOMPOSITION schematic diagram of reflector plate in the first preferred embodiment of illuminated keyboard of the present invention.Reflector plate 33 is positioned at the below of film switch circuit 31, and this reflector plate 33 comprises a light source transmission line 331, be arranged on a upper surface 332 of reflector plate 33, light source transmission line 331 is in order to transferring electric power, and light source conducting wire 331 comprises the first overlap joint zone 3311.A plurality of light sources 32 are arranged on the upper surface 332 of reflector plate 33 and are connected in light source transmission line 331, in order to produce at least one light beam according to electric power.In this preferred embodiment, light source 32 is lateral LED (Side view light emitting diode), and reflector plate 33 is made with opaque polyethylene terephthalate (PET), and light source transmission line 331 is to be distributed in silver slurry circuit on the upper surface 332 of reflector plate 33 with printing technology.
Certainly, a plurality of light guide structures in the present invention are not to be limited with the leaded light site.In other preferred embodiment, a plurality of light guide structures also can adopt the micro-structural of dense arrangement, and micro-structurals such as lenticule or v-notch is as the use of leaded light.
in Fig. 4, the first overlap joint regional 3311 of light source conducting wire 331 is in alignment with the second regional 3133A of overlap joint of transmission line 3133, when reflector plate 33 and film switch circuit 31 in conjunction with the time, the first overlap joint regional 3311 is connected with the second regional 3133A of overlap joint, make light source conducting wire 331 and transmission line 3133 be electrically connected, and transmission line 3133 is connected in bus 3132, and bus 3132 is connected in main circuit board 34, therefore, the electric power that main circuit board 34 provides is able to by bus 3132, transmission line 3133, the second regional 3133A of overlap joint, the first overlap joint zone 3311 and light source conducting wire 331 and transfer to a plurality of light sources 32, make a plurality of light sources 32 be produced many light beams.
About above-mentioned each element in conjunction with situation as shown in Figure 3.in illuminated keyboard 3, reflector plate 33 is arranged at the below of film switch circuit 31, and a plurality of light sources 32 are arranged at the upper surface 332 of reflector plate 33 and are positioned at a side of film switch circuit 31, many the light beams that a plurality of light sources 32 are produced are projected to film switch circuit 31, and passed film switch circuit 31 by a plurality of light guide structures 3134 guiding in film switch circuit 31, wherein button housing 302 and elastomer 303 all can be penetrated by light beam, make many light beams sequentially be passed film switch circuit 31, elastomer 303, button housing 302 and transmission region 3011, with the letter on display button cap 301 or symbol.
Next the operation situation that button 30 is touched is described.When the touched and button cap 301 of button 30 moved down with respect to button housing 302, the button cap 301 that moves down compressed elastomer 303, makes elastomer 303 support film switch circuit 31.In film switch circuit 31, upper contact 3111 is inserted into separator perforate 3121 and contacts to set up upper contact 3111 with lower contact 3131 and the electrically conducting of 3131 of lower contacts, and produces by this push button signalling corresponding to button 30.And when button 30 was no longer touched, elastomer 303 provided an elastic force to give button cap 301, button cap 301 is up moved with respect to button housing 302, and button cap 301 resetted.
What need to specify is, bus, transmission line and a plurality of light guide structure not only can be arranged on lower wiring board, and it also can be arranged on the separator of film switch circuit.At this moment, the overlap joint zone of second on transmission line overlaps joint area with first of light source transmission line and sets up electric connection between main circuit board and light source transmission line.
In addition, the present invention more provides one second preferred embodiment.See also Fig. 6, it is the structure schematic side view of illuminated keyboard of the present invention in the second preferred embodiment.Illuminated keyboard 4 comprises a plurality of buttons 40, a film switch circuit 41, a plurality of light source 42 (please refer to Fig. 7), a reflector plate 43, a main circuit board 44 and a base plate 45.Each button 40 comprises a button cap 401, a scissor Connection Element 402 and an elastomer 403.In illuminated keyboard 4, basipetal the putting in order of above-mentioned each element is button cap 401, scissor Connection Element 402, elastomer 403, film switch circuit 41, light source 42, reflector plate 43 and base plate 45, a plurality of light sources 42 are arranged on reflector plate 43 and are positioned at a side of film switch circuit 41, main circuit board 44 is positioned at the opposite side of film switch circuit 41, in order to an electric power to be provided.In this preferred embodiment, illuminated keyboard 4 is keyboards that notebook computer is used, and a side of film switch circuit 41 is the lower side (side with space bar) of film switch circuit 41, and the opposite side of film switch circuit 41 is the upper side of film switch circuit 41 (side with function key F1).
In button 40, button cap 401 is revealed in the upper surface of illuminated keyboard 4 and can be pressed by the user, and button cap 401 has a transmission region 4011, that is the position at letter or symbol place.Scissor Connection Element 402 is in order to fixedly button cap 401 and elastomer 403, and elastomer 403 passes scissor Connection Element 402 and contacts with button cap 401 and film switch circuit 41 respectively, in this preferred embodiment, elastomer 403 is made with printing opacity rubber.Film switch circuit 41 has a plurality of press-button contacts, and each press-button contact is corresponding to a button 40, film switch circuit 41 be connected in main circuit board 44 and can obtain to come from the electric power of main circuit board 44 or signal transmission to main circuit board 44.
Next please consult simultaneously Fig. 6 and Fig. 7, Fig. 7 is film switch circuit and the fried schematic diagram of the STRUCTURE DECOMPOSITION of reflector plate in the second preferred embodiment of illuminated keyboard of the present invention.Reflector plate 43 is positioned at the below of film switch circuit 41, and this reflector plate 43 comprises a light source transmission line 431 and a reflector plate bus 434, light source transmission line 431 is arranged on a lower surface 433 of reflector plate 43, it is in order to transferring electric power, and reflector plate bus 434 is connected in light source conducting wire 431 and main circuit board 44, in order to transferring electric power.A plurality of light sources 42 are arranged on the lower surface 433 of reflector plate 43 and are connected in light source transmission line 431, in order to produce at least one light beam according to electric power.In this preferred embodiment, light source 42 is lateral LED, and light source transmission line 431 is to be distributed in silver slurry circuit on the lower surface 433 of reflector plate 43 with printing technology.And reflector plate 43 is made with transparent polyethylene terephthalate (PET), and transparent reflector plate 43 comprises reflective printing ink 435, and it is arranged on the upper surface 432 of reflector plate 43, makes reflector plate 43 can reflect many light beams.
In Fig. 7, film switch circuit 41 comprises wiring board 411 on, a separator 412 and wiring board 413 once.Upper wiring board 411 has a plurality of upper contacts 4111, a bus 4112, a transmission line 4113 and a plurality of leaded lights zones 4114 (please refer to Fig. 6), separator 412 is positioned at the below of wiring board 411, and has a plurality of separator perforates 4121 corresponding to a plurality of upper contacts 4111.And lower wiring board 413 is positioned at the below of separator 412, has a plurality of lower contact 4131 corresponding to a plurality of upper contacts 4111, and a plurality of lower contact 4131 forms a plurality of press-button contacts with a plurality of upper contacts 4111.
In upper wiring board 411, bus 4112 is connected in main circuit board 44, in order to transferring electric power or corresponding to a plurality of signals of a plurality of press-button contacts, and transmission line 4113 is connected in a plurality of upper contacts 4111 and the bus 4112 of a plurality of press-button contacts, therefore, film switch circuit 41 is able to transferring electric power and corresponding to the signal of press-button contact by bus 4112 is connected in main circuit board 44.In this preferred embodiment, upper wiring board 411, separator 412 and lower wiring board 413 are all made with optical material, and optical material is Merlon etc.And a plurality of leaded lights zone 4114 of upper wiring board 411 is to be formed by a plurality of light guide structures (not being shown in figure) equally, make regional 4114 bootable many light beams of a plurality of leaded lights, and the setting position in a plurality of leaded lights zone 4114 is corresponding to a plurality of transmission regions 4011 on a plurality of buttons 40, as shown in Figure 6, make bootable many light beams of film switch circuit 41 pass the elastomer 403 of film switch circuit 41 and light-permeable and be projected to the transmission region 4011 of a plurality of buttons 40.
In Fig. 7, reflector plate 43 is connected in main circuit board 44 (please refer to Fig. 6) by reflector plate bus 434, and reflector plate bus 434 is to arrange in the bending mode, so that the light source conducting wire 431 that is positioned on the lower surface 433 of reflector plate 43 is connected in main circuit board 44, as shown in Figure 6.By this, the electric power that main circuit board 44 provides is able to by reflector plate bus 434 and light source conducting wire 431 and transfers to a plurality of light sources 42, makes a plurality of light sources 42 be produced many light beams.
About above-mentioned each element in conjunction with situation as shown in Figure 7.in illuminated keyboard 4, reflector plate 43 is arranged at the below of film switch circuit 41, and a plurality of light sources 42 are arranged at the lower surface 433 of reflector plate 43, wherein reflector plate 43 is to be set up and to get so that a plurality of light source 42 is positioned at a side of film switch circuit 41 in the bending mode, many the light beams that a plurality of light sources 42 are produced are projected to film switch circuit 41, and passed film switch circuit 41 by a plurality of leaded lights zone 4134 guiding in film switch circuit 41, make many light beams sequentially be passed film switch circuit 41, elastomer 403 and transmission region 4011, with the letter on display button cap 401 or symbol.
With the first preferred embodiment similarly, when button 40 touched and when moving down with respect to base plate 45, scissor Connection Element 402 changes to closed state in response to the movement of button cap 401 by folding condition, and the button cap 401 that moves down compresses elastomer 403, makes elastomer 403 support film switch circuit 41.In film switch circuit 41, upper contact 4111 is inserted into separator perforate 4121 and contacts to set up upper contact 4111 with lower contact 4131 and the electrically conducting of 4131 of lower contacts, and produces by this push button signalling corresponding to button 40.And when button 40 is no longer touched, elastomer 403 provides an elastic force to give button cap 401, button cap 401 is up moved with respect to base plate 45, and scissor Connection Element 402 changes to folding condition in response to the movement of button cap 401 by closed state, button cap 40 is resetted.
What need special instruction is, the present invention and non-limiting light source must be arranged at a side of film switch circuit, and also do not limit the opposite side that main circuit board must be arranged at film switch circuit, light source can be arranged at the opposite side of film switch circuit certainly, and main circuit board also can be arranged at a side of film switch circuit.Certainly, light source and main circuit board can all be arranged at a side of film switch circuit or all be arranged at the opposite side of film switch circuit.
According to above-mentioned two preferred embodiments as can be known, illuminated keyboard of the present invention is mainly that light source is arranged on reflector plate, and be provided with the light source transmission line and it is connected with main circuit board on reflector plate, make light source can obtain to come from the electric power of main circuit board and produce light beam.And the light source transmission line is the silver slurry circuit that forms with mode of printing, makes the electric connection between light source and main circuit board need not adopt the line configuring of existing entity, and can simplify the assembling process of illuminated keyboard.Moreover light source need not see through existing luminous circuit board and be set up, and it is arranged on reflector plate, therefore can solve the existing easy perk of luminous circuit board or assemble irregular problem, makes illuminated keyboard of the present invention have more uniform illumination effect.Because illuminated keyboard of the present invention need not arrange luminous circuit board in wherein, so illuminated keyboard of the present invention has more the effect that reduces costs.
The above is only preferred embodiment of the present invention, is not to limit claim scope of the present invention, and therefore all other do not break away from the equivalence change of completing under disclosed spirit or modify, and all should be contained in scope of the present invention.
Claims (13)
1. an illuminated keyboard, is characterized in that, comprising:
A plurality of buttons;
Film switch circuit has a plurality of press-button contacts, and each this press-button contact is corresponding to this button;
Reflector plate is positioned at the below of this film switch circuit, and this reflector plate comprises the light source transmission line, and this light source transmission line is in order to transmit an electric power; And
At least one light source is arranged on this reflector plate and is connected in this light source transmission line, in order to produce at least one light beam according to this electric power.
2. illuminated keyboard as claimed in claim 1, it is characterized in that, this light source transmission line is arranged on a upper surface or a lower surface of this reflector plate, and this at least one light source is arranged on this upper surface of this reflector plate or this lower surface and is positioned at a side of this film switch circuit.
3. illuminated keyboard as claimed in claim 1, is characterized in that, this reflector plate is made with opaque polyethylene terephthalate.
4. illuminated keyboard as claimed in claim 1, it is characterized in that, this reflector plate also comprises reflective printing ink, and this reflective printing ink is arranged on a upper surface of this reflector plate, make this reflector plate can reflect this at least one light beam, and this reflector plate is made with transparent polyethylene terephthalate.
5. illuminated keyboard as claimed in claim 1, is characterized in that, also comprises main circuit board, and this main circuit board is connected in this film switch circuit, gives this film switch circuit and this light source transmission line in order to this electric power to be provided.
6. illuminated keyboard as claimed in claim 5, is characterized in that, this light source conducting wire also comprises the first overlap joint zone; And this film switch circuit comprises bus and transmission line, and this bus is connected in this main circuit board, in order to transmit this electric power or corresponding to a plurality of signals of these a plurality of press-button contacts; This transmission line is connected in these a plurality of press-button contacts and this bus, and this transmission line has the second overlap joint zone, in order to transmit this electric power from this main circuit board with this first overlap joint joint area of this light source conducting wire to this light source transmission line.
7. illuminated keyboard as claimed in claim 5, it is characterized in that, this reflector plate also comprises the reflector plate bus, the first end of this reflector plate bus is connected in this light source conducting wire, and the second end of this reflector plate bus is connected in this main circuit board, in order to transmission from this electric power of this main circuit board to this light source transmission line.
8. illuminated keyboard as claimed in claim 1, is characterized in that, this film switch circuit also comprises:
Upper wiring board has at least one upper contact;
Separator is positioned at the below of wiring board on this, and this separator has at least one separator perforate corresponding to this at least one upper contact, and this at least one separator perforate is in order to be stretched into by this at least one upper contact when this film switch circuit is touched; And
Lower wiring board, be positioned at the below of this separator, and has an at least one lower contact corresponding to this at least one upper contact, and this at least one upper contact forms at least one press-button contact with this at least one lower contact, and this time contact produces signal in order to contact with this upper contact when this film switch circuit is touched.
9. illuminated keyboard as claimed in claim 8, it is characterized in that, upward at least one in wiring board, this separator and this time wiring board is made with optical material, and upward at least one in wiring board, this separator and this time wiring board has a plurality of light guide structures, in order to this at least one light beam of guiding, make bootable this at least one light beam of this film switch circuit and be projected to this a plurality of buttons.
10. illuminated keyboard as claimed in claim 8, it is characterized in that, also comprise main circuit board, this main circuit board is connected in this film switch circuit, in order to provide this electric power to give this film switch circuit and this light source transmission line, and this film switch circuit also comprises bus and transmission line, and this bus is connected in this main circuit board, in order to transmit this electric power or corresponding to a plurality of signals of these a plurality of press-button contacts; This transmission line is connected in these a plurality of press-button contacts and this bus, in order to transmit this electric power or corresponding to a plurality of signals of these a plurality of press-button contacts; Wherein this transmission line and this bus are arranged on any one in wiring board on this, this separator and this time wiring board.
11. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises base plate, in order to these a plurality of buttons of carrying, and each this button comprises:
Button cap be revealed in the upper surface of this illuminated keyboard, and this button cap has transmission region;
Scissor Connection Element is between this base plate and this button cap, in order to connect this base plate and this button cap and this button cap is moved up and down with respect to this base plate; And
Elastomer, between this film switch circuit and this button cap, when this button cap was touched, this elastomer was compressed and support this film switch circuit to trigger this corresponding press-button contact; And when this button cap was no longer touched, this elastomer provided an elastic force to give this button cap, and this button cap is resetted.
12. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises base, in order to these a plurality of buttons of carrying, and each this button comprises:
Button cap be revealed in the upper surface of this illuminated keyboard, and this button cap has transmission region;
The button housing is between this base and this button cap, in order to carry this button cap; And
Elastomer passes this button housing and between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and support this film switch circuit, to trigger this press-button contact; And when this button cap was no longer touched, this elastomer provided an elastic force to give this button cap, and this button cap is resetted.
13. illuminated keyboard as claimed in claim 1 is characterized in that, this at least one light source is lateral LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104420855A CN103177894A (en) | 2011-12-26 | 2011-12-26 | Light-emitting keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104420855A CN103177894A (en) | 2011-12-26 | 2011-12-26 | Light-emitting keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103177894A true CN103177894A (en) | 2013-06-26 |
Family
ID=48637678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104420855A Pending CN103177894A (en) | 2011-12-26 | 2011-12-26 | Light-emitting keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103177894A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332340A (en) * | 2014-10-31 | 2015-02-04 | 苏州达方电子有限公司 | Membrane switch layer of keyboard and luminous keyboard |
| CN105405699A (en) * | 2015-12-24 | 2016-03-16 | 江苏传艺科技股份有限公司 | Light-emitting circuit board |
| US11556186B1 (en) * | 2021-08-11 | 2023-01-17 | Primax Electronics Ltd. | Backlight control system having at least one movable light sheet that includes at least one light-emitting unit |
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| CN2884490Y (en) * | 2005-08-12 | 2007-03-28 | 嘉惠康实业有限公司 | Luminous film switch, and its key-board |
| US20080291170A1 (en) * | 2007-05-24 | 2008-11-27 | Darfon Electronics Corp. | Keyboard frame with induction light source |
| CN201345308Y (en) * | 2009-02-03 | 2009-11-11 | 苏州达方电子有限公司 | Illuminating keyboard |
| CN201758092U (en) * | 2010-07-23 | 2011-03-09 | 精元电脑股份有限公司 | Improved luminous keyboard structure |
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- 2011-12-26 CN CN2011104420855A patent/CN103177894A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2884490Y (en) * | 2005-08-12 | 2007-03-28 | 嘉惠康实业有限公司 | Luminous film switch, and its key-board |
| US20080291170A1 (en) * | 2007-05-24 | 2008-11-27 | Darfon Electronics Corp. | Keyboard frame with induction light source |
| CN201345308Y (en) * | 2009-02-03 | 2009-11-11 | 苏州达方电子有限公司 | Illuminating keyboard |
| CN201758092U (en) * | 2010-07-23 | 2011-03-09 | 精元电脑股份有限公司 | Improved luminous keyboard structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104332340A (en) * | 2014-10-31 | 2015-02-04 | 苏州达方电子有限公司 | Membrane switch layer of keyboard and luminous keyboard |
| CN104332340B (en) * | 2014-10-31 | 2017-01-11 | 苏州达方电子有限公司 | Membrane switch layer of keyboard and luminous keyboard |
| CN105405699A (en) * | 2015-12-24 | 2016-03-16 | 江苏传艺科技股份有限公司 | Light-emitting circuit board |
| US11556186B1 (en) * | 2021-08-11 | 2023-01-17 | Primax Electronics Ltd. | Backlight control system having at least one movable light sheet that includes at least one light-emitting unit |
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Application publication date: 20130626 |