CN103165327A - Luminous keyboard - Google Patents
Luminous keyboard Download PDFInfo
- Publication number
- CN103165327A CN103165327A CN2011104251490A CN201110425149A CN103165327A CN 103165327 A CN103165327 A CN 103165327A CN 2011104251490 A CN2011104251490 A CN 2011104251490A CN 201110425149 A CN201110425149 A CN 201110425149A CN 103165327 A CN103165327 A CN 103165327A
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- Prior art keywords
- film
- light
- illuminated keyboard
- circuit board
- keycap
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- 238000007650 screen-printing Methods 0.000 claims description 4
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- 239000004698 Polyethylene Substances 0.000 description 9
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Images
Abstract
The invention provides a luminous keyboard which comprises luminous elements, a thin film circuit board, a key bottom plate and a plurality of keys. The thin film circuit board comprises an upper layer plate and a lower layer plate. The upper layer plate is provided with a first circuit pattern with a plurality of thin film switches and a second circuit pattern with a plurality of thin film switches. The lower layer plate is provided with a first circuit pattern with a plurality of thin film switches and a second circuit pattern with a plurality of thin film switches. The lower layer plate further comprises a large amount of thin film which is used for increasing light guiding efficiency of the lower layer plate. The plurality of keys are arranged on the key bottom plate in a connecting mode, and the key bottom plate is arranged between the plurality of keys and the thin film circuit board. The luminous keyboard has the advantages of saving manufacturing cost and improving service efficiency of light.
Description
Technical field
The present invention is about a kind of keyboard, especially about a kind of illuminated keyboard with lighting function.
Background technology
In recent years, because the information industry development is rapid, many users may use portable massaging device, such as notebook computer, mobile phone or personal digital assistant etc. under varying environment.At the weak environment of light, the user may not see numeral and the word that indicates on Chu's keyboard, thereby causes operational difficulty, and severe patient even may allow visual impairment because of identification button sign reluctantly.Therefore, the release of illuminated keyboard can improve the user in the inconvenience of insufficient light place's use keyboard.What is more, by different luminous configurations, can make and use the massaging device of illuminated keyboard to seem more attractive in appearance, and then increase its market.
See also Fig. 1, it is the structural profile schematic diagram of existing illuminated keyboard.Illuminated keyboard 1 comprises reflector 11, light guide plate 12, button base plate 13, film circuit board 14, a plurality of button 15 and light-emitting component 16, wherein, film circuit board 14 comprises lower plywood 141, top plate 142 and the la m between lower plywood and top plate 143, and lower plywood 141, la m 143 and top plate 142 are all made by the transparent light guide material, and the transparent light guide material can be Merlon (PC) or polyethylene (PET) etc.
moreover, please synchronously consult Fig. 2, it is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Figure 1, lower plywood 141 has the first circuit pattern 1411 that is comprised of many bullions tree lace road 14111 and a plurality of lower contacts 14112, and top plate 142 has the second circuit pattern 1421 that is comprised of many bullions tree lace road 14211 and a plurality of upper contacts 14212, again, la m 143 has corresponding to the contact perforate 1431 of a plurality of lower contacts 14122 with a plurality of upper contacts 14212, wherein, common shape one thin film switch 144 of the lower contact 14112 that each upper contact 14212 is corresponding with it.
Again, button base plate 13 is arranged at the below of film circuit board 14, and has a plurality of perforation 131, first fixed structure 132 and the second fixed structure 133; And each button 15 comprises keycap 151, elastomer 152 and scissor Connection Element 153, and keycap 151 comprises the first keycap fixed structure 1511 and the second keycap fixed structure 1512; And scissor Connection Element 153 comprises the first framework 1531 and the second framework 1532; In addition, elastomer 152 is between keycap 151 and film circuit board 14.
Wherein, film circuit board 14 has respectively for first fixed structure 132 and the second fixed structure 133 and passes wherein open-work 145 and open-work 146, an end 1531A for the first framework 1531 can be connected in the second fixed structure 133, and its other end 1531B can be connected in the first keycap fixed structure 1511, and can be connected in first fixed structure 132 for an end 1532A of the second framework 1532, and its other end 1532B can be connected in the second keycap fixed structure 1512.
When arbitrary button 15 touched and when moving down with respect to button base plate 13, the first framework 1531 and second framework 1532 of scissor Connection Element 153 change to closed state by folding condition, and the keycap 151 that moves down can make elastomer 152 support its corresponding upper contact 14212 by extruding elastomer 152, and then make its corresponding upper contact 14212 contact corresponding lower contact 14122 via corresponding contact perforate 1431, make by this corresponding thin film switch 144 reach and electrically conduct, so that illuminated keyboard 1 produces a corresponding push button signalling.And when button 15 was no longer touched, keycap 151 can up move with respect to button base plate 13 in response to the elastic force of elastomer 152, and this moment, the first framework 2021 and the second framework 2022 changed to folding condition by closed state, and keycap 151 can set back.
Moreover light-emitting component 16 is arranged at the side of light guide plate 12, injects light guide plate 12 in order to light to be provided.And light guide plate 12 is arranged on reflector 11, and its lower surface has a plurality of light guiding points 121 in order to gathering and scattered beam.A plurality of light guiding points 121 are set up according to the position of corresponding a plurality of buttons 15.Wherein, when light is injected light guide plate 12, light is flooded to whole light guide plate 12, and a plurality of light guiding points 121 can up reach down scattering with light because of its relation for the printing ink material, up the light of scattering can be sequentially a plurality of perforation 131 and film circuit board 14 by button base plate 13 be projected to a plurality of buttons 15, and down the light of scattering can make upwards reflection of light via the auxiliary of reflector 11 again, is utilized so that the light that light-emitting component 16 provides can improve.As mentioned above, can make a plurality of buttons 15 produce luminous effect.Only, existing illuminated keyboard 1 has shortcoming as described below:
Although a reflector 11 can assist the light of a plurality of light guiding points 121 downward scatterings to reflect upward, but the material of the reflector 11 of existing illuminated keyboard 1 can allow light penetration, and therefore a part can penetrate reflector 11 by the light of a plurality of light guiding points 121 downward scatterings and cause the loss of light quantity.
Two, please synchronously consult Fig. 3, it is the light path schematic diagram of the lower plywood of film circuit board shown in Figure 2.be arranged at the upper surface of lower plywood 141 due to the first circuit pattern 1411, and the first circuit pattern 1411 comprises many bullions tree lace road 14111, those elargol circuits 14111 have the character with light-ray condensing and scattering, therefore the light L1 that provides in light-emitting component 16 is via a plurality of perforation 131 of button base plate 13 after entering lower plywood 141, the elargol circuit 14111 of the first circuit pattern 1411 can present shinny state, middle light L2 as shown, yet the setting of most of elargol circuit 14111 is not to be corresponding to a plurality of buttons 15, therefore former should being used in makes the luminous light quantity of a plurality of buttons 15 be consumed because of the characteristic of elargol circuit 14211, that is to say, originally in the light quantity of light L1, major part should be obtained by button 15, but because the characteristic of elargol circuit 14111 is consumed the light quantity of light L2, therefore illuminated keyboard 1 only the light quantity of surplus light L3 can utilize, and then cause a plurality of buttons 15 on illuminated keyboard 1 that the situation of deficiency in light quantity is arranged.
Moreover, seeing also Fig. 4, it is the structural profile schematic diagram of another kind of existing illuminated keyboard.Wherein, this existing illuminated keyboard roughly is similar to part shown in Fig. 1, is namely no longer given unnecessary details at this.And this existing illuminated keyboard and aforementioned existing illuminated keyboard difference are, light-emitting component 96 is arranged at the side of the lower plywood 941 of film circuit board 94, and lower plywood 941 is made by the leaded light material, wherein, have a plurality of light guiding points 947 in order to gathering and scattered beam on lower plywood 941, therefore the lower plywood 941 of film circuit board 94 namely has light-guiding function, and no longer needs reflector 11 and light guide plate 12 in aforementioned existing illuminated keyboard, and then makes illuminated keyboard thin type more.
Yet, illuminated keyboard shown in Figure 4 still has two shortcomings of aforementioned existing illuminated keyboard, and because having to use respectively for the first fixed structure 932 of button base plate 93 and the second fixed structure 933, film circuit board 94 passes wherein open-work 945 and open-work 946, make the leaded light effect of the lower plywood 941 of film circuit board 94 can not be continuous, that is to say, the light that provides when light-emitting component 96 will interrupt advancing when running into open-work 945 or open-work 946, therefore, the luminous efficiency of illuminated keyboard 9 lowers greatly.
Therefore existing illuminated keyboard 1,9 is all because of the not good space with improvement of efficiency of light.
Summary of the invention
The technical problem that the present invention mainly solves is, for the prior art above shortcomings, provides a kind of illuminated keyboard that promotes efficiency of light.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of illuminated keyboard, and it comprises at least one light-emitting component, film circuit board, a plurality of button and button base plate, and this at least one light-emitting component is in order to provide light to give this illuminated keyboard; This film circuit board comprises lower plywood and top plate, wherein, this lower plywood has the first circuit pattern and a plurality of light guiding points, have a plurality of lower contacts on this first circuit pattern, and these a plurality of light guiding points are in order to the light of assembling and this light-emitting component of scattering provides, wherein, this lower plywood comprises the first film and the second film, in order to increase the make progress light quantity of scattering of these a plurality of light guiding points; This top plate has the second circuit pattern, and have a plurality of upper contacts corresponding to these a plurality of lower contacts on this second circuit pattern, and have a spacing distance between each this upper contact this time contact corresponding with it, and the common thin film switch that forms of the lower contact corresponding with this; These a plurality of buttons are in order to correspondence and these a plurality of thin film switches of conducting; This button base plate is used for these a plurality of buttons and is connected thereon, and has a plurality of perforation corresponding to these a plurality of buttons; Wherein, this button base plate is between these a plurality of buttons and this film circuit board.
Preferably, this first film and this second film are all light-leading film.
Preferably, these a plurality of light guiding points are arranged between this first film and this second film.
Preferably, these a plurality of light guiding points are any one that be located at through screen printing processing, hot pressing manufacture procedure or jetting process in this first film and this second film.
Preferably, this lower plywood also comprises interval film, and it is arranged between this first film and this first circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
Preferably, this interval film is to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
Preferably, have between this first film and this second film and can allow the transparent viscose of light penetration, with so that this first film and this second film fit mutually.
Preferably, this light-leading film is made by polyethylene terephthalate (PET) material, Merlon (PC) material or acryl plastics (PMMA) material.
Preferably, this the first film and this second film are respectively a light-leading film and an interval film, this interval film is arranged between this light-leading film and this first circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
Preferably, these a plurality of light guiding points are arranged at a lower surface of this light-leading film.
Preferably, this interval film be see through printing process, plate molded journey, gummed processing procedure or hot pressing manufacture procedure and be formed on this light-leading film.
Preferably, this light-emitting component is light-emitting diode, and it is arranged at the side of this film circuit board, and shines towards the direction of this film circuit board.
Preferably, described illuminated keyboard also comprises base, and this base is arranged at the below of this film circuit board, in order to these a plurality of buttons of carrying, this button base plate, this film circuit board and this light-emitting component.
Preferably, each this button comprises keycap and Connection Element, and this keycap is revealed in the outside of this illuminated keyboard; This Connection Element is arranged between this button base plate and this keycap, in order to connecting this button base plate and this keycap, and this keycap is moved up and down with respect to this button base plate.
Preferably, each this button also comprises elastomer, and this elastomer is arranged between this keycap and this button base plate, and has the top; Wherein, this Connection Element is scissor Connection Element, and when this keycap is touched, this elastomer is compressed and make this top pass this corresponding perforation of this button base plate, to support this corresponding thin film switch, and when this keycap was no longer touched, this elastomer provided an elastic force to give this keycap so that this keycap sets back.
Preferably, this film circuit board also comprises la m, this la m is arranged between this lower plywood and this top plate, make between each this upper contact this time contact corresponding with it to have this spacing distance, and this la m has a plurality of perforates corresponding to these a plurality of lower contacts and these a plurality of upper contacts.
The present invention also provides a kind of illuminated keyboard, and it comprises at least one light-emitting component, film circuit board, a plurality of button and button base plate, and this at least one light-emitting component is in order to provide light to give this illuminated keyboard; This film circuit board has circuit pattern and a plurality of light guiding points, have a plurality of thin film switches on this circuit pattern, and these a plurality of light guiding points are in order to the light of assembling and this light-emitting component of scattering provides, wherein, this film circuit board comprises the first film and the second film, in order to increase the make progress light quantity of scattering of these a plurality of light guiding points; These a plurality of buttons are in order to correspondence and these a plurality of thin film switches of conducting; This button base plate is used for these a plurality of buttons and is connected thereon, and has a plurality of perforation corresponding to these a plurality of buttons; Wherein, this button base plate is between these a plurality of buttons and this film circuit board.
Preferably, each this thin film switch comprises the first conductive part and the second conductive part, and this first conductive part is not contacted with this second conductive part.
Preferably, each this button comprises keycap, Connection Element and conductor, and this keycap is revealed in the outside of this illuminated keyboard; This Connection Element is arranged between this button base plate and this keycap, in order to connecting this button base plate and this keycap, and this keycap is moved up and down with respect to this button base plate; This conductor is arranged between this keycap and this button base plate; Wherein, when this keycap was touched, this conductor passed this corresponding perforation of this button base plate, this thin film switch of conducting to contact this corresponding thin film switch.
Preferably, each this Connection Element is a scissor Connection Element.
Preferably, this first film and this second film are all light-leading film.
Preferably, these a plurality of light guiding points are arranged between this first film and this second film.
Preferably, these a plurality of light guiding points are any one that be located at through screen printing processing, hot pressing manufacture procedure or jetting process in this first film and this second film.
Preferably, this film circuit board also comprises interval film, and it is arranged between this first film and this circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
Preferably, this interval film is to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
Preferably, have between this first film and this second film and can allow the transparent viscose of light penetration, with so that this first film and this second film fit mutually.
Preferably, this light-leading film is made by polyethylene terephthalate (PET) material, Merlon (PC) material or acryl plastics (PMMA) material.
Preferably, this the first film and this second film are respectively a light-leading film and an interval film, this interval film is arranged between this light-leading film and this circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
Preferably, these a plurality of light guiding points are arranged at a lower surface of this light-leading film.
Preferably, this interval film be see through printing process, plate molded journey, gummed processing procedure or hot pressing manufacture procedure and be formed on this light-leading film.
Preferably, this light-emitting component is light-emitting diode, and it is arranged at the side of this film circuit board, and shines towards the direction of this film circuit board.
Preferably, described illuminated keyboard also comprises base, and this base is arranged at the below of this film circuit board, in order to these a plurality of buttons of carrying, this button base plate, this film circuit board and this light-emitting component.
The present invention also provides a kind of illuminated keyboard, and it comprises at least one light-emitting component, film circuit board, a plurality of button and button base plate, and this at least one light-emitting component is in order to provide light to give this illuminated keyboard; This film circuit board comprises top plate and lower plywood, wherein, and the second circuit pattern that this top plate has topmost thin film and is formed at the lower surface of this topmost thin film, and be provided with a plurality of upper contacts on this second circuit pattern; This lower plywood has the first film, the first circuit pattern and the second film between this first film and this first circuit pattern, be provided with a plurality of lower contact corresponding to these a plurality of upper contacts on this first circuit pattern, and has a spacing distance between each this upper contact this time contact corresponding with it, and the common thin film switch that forms of the upper contact corresponding with this, wherein, the refractive index of this second film is less than the refractive index of this first film; These a plurality of buttons are in order to these a plurality of thin film switches of conducting; This button base plate is used for these a plurality of buttons and is connected thereon, and has a plurality of perforation corresponding to these a plurality of buttons; Wherein, this button base plate is between these a plurality of buttons and this film circuit board.
Preferably, this first circuit pattern comprises many metallic traces.
Preferably, these many metallic traces are elargol circuits.
Preferably, this second film is single continuity film, and these many metallic traces are formed on this single continuity film.
Preferably, this second film is to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
Preferably, this second film is comprised of a plurality of block film, and these many metallic traces are formed at respectively on these a plurality of block films.
Preferably, these a plurality of block films are to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
Preferably, this first film is light-leading film.
Preferably, this light-leading film is made by Merlon (PC) material, polyethylene terephthalate (PET) material or acryl plastics (PMMA) material.
Preferably, this light-emitting component is light-emitting diode, and it is arranged at the side of this film circuit board, and shines towards the direction of this film circuit board.
Preferably, described illuminated keyboard also comprises base, and this base is arranged at the below of this film circuit board, in order to these a plurality of buttons of carrying, this button base plate, this film circuit board and this light-emitting component.
Preferably, each this button comprises keycap and Connection Element, and this keycap is revealed in the outside of this illuminated keyboard; This Connection Element is arranged between this button base plate and this keycap, in order to connecting this button base plate and this keycap, and this keycap is moved up and down with respect to this button base plate.
Preferably, each this button also comprises elastomer, and this elastomer is arranged between this keycap and this button base plate, and has the top; Wherein, this Connection Element is scissor Connection Element, and when this keycap is touched, this elastomer is compressed and make this top pass this corresponding perforation of this button base plate, to support this corresponding thin film switch, and when this keycap was no longer touched, this elastomer provided an elastic force to give this keycap so that this keycap sets back.
Preferably, this film circuit board also comprises la m, this la m is arranged between this top plate and this lower plywood, make between each this upper contact this time contact corresponding with it to have this spacing distance, and this la m has a plurality of perforates corresponding to these a plurality of lower contacts and these a plurality of upper contacts.
Illuminated keyboard of the present invention need not additionally to arrange light guide plate, has saved manufacturing cost; And the film circuit board in illuminated keyboard or lower plywood design in the mode of plural layers, can avoid wasting the light quantity that should be used in button because of the character of the metallic circuit collected light of circuit pattern, and the light that can run off to the downward scattering of light guiding points is reclaimed, to increase the make progress light quantity of scattering of a plurality of light guiding points, and then make a plurality of buttons of illuminated keyboard obtain more light quantity, so the illuminated keyboard of the present invention light that light-emitting component can be provided is done the utilization of full blast.In addition, illuminated keyboard of the present invention is arranged at the button base plate between a plurality of buttons and film circuit board, therefore its film circuit board does not need specially to arrange open-work and can make each Connection Element connect corresponding button base plate and corresponding keycap, this makes the leaded light effect of film circuit board can be continuous, that is to say, the light that light-emitting component provides can not interrupt advancing because running into open-work, therefore the luminous efficiency of illuminated keyboard more can significantly promote.
Description of drawings
Fig. 1: be the structural profile schematic diagram of existing illuminated keyboard.
Fig. 2: be the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Figure 1.
Fig. 3: be the light path schematic diagram of the lower plywood of film circuit board shown in Figure 2.
Fig. 4: be the structural profile schematic diagram of the existing illuminated keyboard of another kind.
Fig. 5: the structure side view for illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 6: be the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Figure 5.
Fig. 7: be structure side view and the processing procedure schematic diagram of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 8: be the light path schematic diagram of lower plywood shown in Figure 7.
Fig. 9: be the structure side view of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the second preferred embodiment.
Figure 10: be the structural representation at another visual angle of lower plywood shown in Figure 9.
Figure 11: be the light path schematic diagram of lower plywood shown in Figure 9.
Figure 12: be the structure side view of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the 3rd preferred embodiment.
Figure 13: be the structural representation at another visual angle of lower plywood shown in Figure 12.
Figure 14: be the light path schematic diagram of lower plywood shown in Figure 12.
Figure 15: be the structure side view of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the 4th preferred embodiment.
Figure 16: be the structure side view of the illuminated keyboard of fifth embodiment of the invention.
Figure 17: be the structural representation of the film circuit board of illuminated keyboard shown in Figure 16.
Embodiment
See also Fig. 5, it is the structure side view of illuminated keyboard of the present invention in the first preferred embodiment.Illuminated keyboard 2 from bottom to top sequentially comprises base 22, film circuit board 23, button base plate 29 and a plurality of button 24.Illuminated keyboard 2 more comprises light-emitting component 21, is arranged at the side of film circuit board 23, and shines towards the direction of film circuit board 23.In the present embodiment, light-emitting component 21 is light-emitting diode.In addition, base 22 is in order to bearing film wiring board 23, button base plate 29 and a plurality of button 24.
Moreover, seeing also Fig. 6, it is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Figure 5, film circuit board 23 comprises lower plywood 231 and top plate 232.The upper surface of lower plywood 231 has the first circuit pattern 2311, and have a plurality of lower contacts 23111 on the first circuit pattern 2311, and the second circuit pattern 2321 that top plate 232 has a topmost thin film 2322 and is formed at the lower surface of topmost thin film 2322, and have a plurality of upper contacts 23211 corresponding to a plurality of lower contacts 23111 on second circuit pattern 2321, wherein, have a spacing distance D between each upper contact 23211 lower contact 23111 corresponding with it, and with the common thin film switches 234 that form of corresponding lower contact 23111.Has spacing distance D in order to make between each upper contact 23211 lower contact 23111 corresponding with it, in the present embodiment, film circuit board 23 more comprises a la m 233, be arranged between lower plywood 231 and top plate 232, wherein, la m 233 has a plurality of perforates 2331 corresponding to a plurality of lower contacts 23111 and a plurality of upper contact 23211.
Please consult once again Fig. 5, button base plate 29 use connect thereon for a plurality of buttons 24, and have a plurality of perforation 291 corresponding to a plurality of buttons 24, and a plurality of buttons 24 are arranged at corresponding to a plurality of thin film switch 234 parts, and wherein each button 24 all has keycap 241 and Connection Element 243, and wherein, Connection Element 243 is arranged between button base plate 29 and keycap 241, in order to connecting button base plate 29 and keycap 241, and keycap 241 can be moved up and down with respect to button base plate 29.
In this preferred embodiment, Connection Element 243 is a scissor Connection Element, and comprises the first framework 2431 and the second framework 2432; And button base plate 29 has more first fixed structure 292 and the second fixed structure 293, and each button 24 in a plurality of button 24 has more an elastomer 242, and it is arranged between keycap 241 and button base plate 29, and has a top 2421; In addition, the keycap 241 of each button 24 all comprises one first keycap fixed structure 2411 and one second keycap fixed structure 2412.
Wherein, one end 2431A of the first framework 2431 can be connected in the second fixed structure 293, and its other end 2431B can be connected in the first keycap fixed structure 2411, and an end 2432A of the second framework 2432 can be connected in first fixed structure 292, and its other end 2432B can be connected in the second keycap fixed structure 2412.Certainly, above-mentioned is only an execution mode, does not limit the connection relationship of 241 of Connection Element 243 of the present invention, button base plate 29 and keycaps with this.
again, in this preferred embodiment, when arbitrary button 24 touched and when moving down with respect to button base plate 29, the first framework 2431 and second framework 2432 of Connection Element 243 change to closed state by folding condition, and the keycap 241 that moves down can push elastomer 242, make the top 2421 of elastomer 242 pass corresponding perforation 291 on button base plate 29, to support its corresponding upper contact 23211, and then make its corresponding upper contact 23211 contact corresponding lower contact 23111 via corresponding contact perforate 2331, making by this corresponding thin film switch 234 reach electrically conducts, so that illuminated keyboard 2 produces a corresponding push button signalling.And when button 24 was no longer touched, keycap 241 can up move with respect to button base plate 29 in response to the elastic force of elastomer 242, and this moment, the first framework 2431 and the second framework 2432 changed to folding condition by closed state, and keycap 241 can set back.
One of inventive features of the present invention is that the lower plywood 231 of the film circuit board 23 of illuminated keyboard 2 is the design of plural layers.See also Fig. 7, it is structure side view and the processing procedure schematic diagram of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the first preferred embodiment.In the first preferred embodiment, lower plywood 231 comprises the second film 2312 and sticks in the first film 2313 of the upper surface of the second film 2312, a plurality of light guiding points 2314 that the light that provides in order to gathering and scattering light-emitting component 21 is provided between the first film 2313 and the second film 2312, and a plurality of light guiding points 2314 are to be set up according to the position of a plurality of buttons 24, so that a plurality of light guiding points 2314 can upwards be projected to light a plurality of buttons 24 zones.In addition, the first film 2313 and the second film 2312 are all light-leading film, and its material can be Merlon (PC) or polyethylene (PET) etc., and the first circuit pattern 2311 is printed in the upper surface of the first film 2313.
The manufacture of lower plywood 231 is as follows: first the lower surface at the first film 2313 arranges a plurality of light guiding points 2314, and can allow the transparent viscose 2315 of light penetration in the upper surface setting of the second film 2312, or at the upper surface of the second film 2312, a plurality of light guiding points 2314 are set, and can allow the transparent viscose 2315 of light penetration in the lower surface setting of the first film 2313, see through again hot pressing or the cold pressing of roller 7, the first film 2313 and the second film 2312 are fit together mutually.
See also Fig. 8, it is the light path schematic diagram of lower plywood shown in Figure 7; Also please synchronously consult Fig. 5.after light that light-emitting component 21 provides enters lower plywood 231, light L4 can spread in the second film 2312 and the first film 2313, when light runs into light guiding points 2314, light guiding points 2314 can be with the part light-ray condensing, and the light of another part is upwards reached downward scattering, wherein, upwards a part of light L5 of scattering can conduct in the first film 2313, another part light L6 sequentially penetrates the corresponding perforation 291 on the first film 2313 and button base plate 29 and upwards is projected to button 24 zones, so that a plurality of buttons 24 produce luminous effect, and a part of light L7 of scattering downwards can conduct in the second film 2312, another part light L8 can penetrate the second film 2312 and run off.
The advantage of the lower plywood in the first preferred embodiment is, because a plurality of light guiding points 2314 are arranged between the first film 2313 and the second film 2312, make a part of light L7 (continuing at the light L7 that conducts in the second film 2312) of the light of light guiding points 2314 downward scatterings to be recycled by the second film 2312, therefore only can cause the loss of part light L8 (penetrating the light L8 of the second film 2312).That is to say, without the existence of the second film 2312, the light by light guiding points 2314 downward scatterings will run off fully if only there is the first film 2313 in lower plywood 231 with a plurality of light guiding points 2314.
Next the second preferred embodiment of illuminated keyboard of the present invention is described, it is roughly identical with the first preferred embodiment, and the difference part is the composition structure of the lower plywood of film circuit board.Its lower plywood is still the design of plural layers.See also Fig. 9 and Figure 10, Fig. 9 is the structure side view of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the second preferred embodiment, and Figure 10 is the structural representation at another visual angle of lower plywood shown in Figure 9.
In the second preferred embodiment, lower plywood 231 ' comprises the first film 2313 and the interval film 2316A that is arranged at the upper surface of the first film 2313, wherein, a plurality of light guiding points 2314 are arranged at the lower surface of the first film 2313, and arrange according to the position of a plurality of buttons 24, so that a plurality of light guiding points 2314 can upwards be projected to light a plurality of buttons 24 zones.Again, the first circuit pattern 2311 is the upper surfaces that are printed in interval film 2316A, and the first circuit pattern 2311 is comprised of a plurality of lower contacts 23111 and many metallic traces 23112, and these many metallic traces 23112 have the character with light-ray condensing and scattering.In this preferred embodiment, these many metallic traces 23112 are to adopt the better elargol circuit of electrical conductivity, and interval film 2316A is a single continuity film, and these 23112 of many metallic traces are formed on this single continuity film.
In addition, in the processing procedure of lower plywood 231 ', interval film 2316A is formed at the upper surface of the first film 2313 through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.In addition, the first film 2313 is light-leading film, and its material can be Merlon (PC), polyethylene (PET) or acryl plastics (PMMA) material etc., and the material of interval film 2316 is different from the first film 2313.
See also Figure 11, it is the light path schematic diagram of lower plywood shown in Figure 9.After light that light-emitting component 21 provides enters lower plywood 231 ', light L9 can spread in the first film 2313, and when light L9 runs into light guiding points 2314, light guiding points 2314 can be with the part light-ray condensing, and with the scattering that makes progress of the light of another part, wherein, upwards a part of light L10 of scattering can conduct in the first film 2313, and another part light L11 penetrates the first film 2313.
in the second preferred embodiment, due to interval film 2316A between the first circuit pattern 2311 and the first film 2313, and its material is different from the first film 2313, that is the refractive index of interval film 2316A is less than the refractive index of the first film 2313, therefore total reflection easily occurs (as light L9 in light in the first film 2313, the path of light L10), assembled and scattering by the metallic circuit 23112 of the first circuit pattern 2311 with (as the path of light L11) after avoiding light penetration the first film 2313, so can be in order to increase in lower plywood 231 ' the upwards light quantity of scattering of a plurality of light guiding points 2314, and then make the button 24 of illuminated keyboard 2 obtain more light quantity.In addition, these a plurality of light guiding points 2314 are not to be the necessary element that limits present embodiment.
Next the 3rd preferred embodiment of illuminated keyboard of the present invention is described, it is roughly identical with the second preferred embodiment, and the difference part is the structure of the interval film of lower plywood, and the film circuit board any light guiding points of tool not.See also Figure 12 and Figure 13, Figure 12 is the structure side view of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the 3rd preferred embodiment, and Figure 13 is the structural representation at another visual angle of lower plywood shown in Figure 12.
In the 3rd preferred embodiment, lower plywood 231 " interval film 2316B formed by the block film 23161,23162,23163 of a plurality of separation, 23164, and these many metallic traces 23112 are formed at respectively on these a plurality of block films 23161～23164.Similarly, the refractive index of these a plurality of block films 23161～23164 is all less than the refractive index of the first film 2313.Certainly, above-mentioned is a better embodiment, it also can be carried out by the art those of ordinary skill variation design of any equalization according to practical application request, can cross over and be formed in a plurality of block films wantonly two block films in 23161～23164 as part metals circuit 23112.
See also Figure 14, it is the light path schematic diagram of lower plywood shown in Figure 12.At first explanation is, the refractive index of air is 1, with technology now, almost be difficult to its refractive index less than the material of the refractive index of air, therefore as light L9 from lower plywood 231 " side when entering, interval film 2316B part be not set be light L9 on the first film 2313 and produce total reflection efficient best place in the first film 2313.As seen, the efficient that in this preferred embodiment, light L9 carries out total reflection in the first film 2313 more is better than person described in the second preferred embodiment, provides the light that gives lower plywood 231 evenly to diffuse to whole the first film 2313 therefore this preferred embodiment more can make.
Next the 4th preferred embodiment of illuminated keyboard of the present invention is described, it is roughly identical with first and second preferred embodiment, the difference part is the composition structure of the lower plywood of film circuit board, and the lower plywood 231 of the 4th preferred embodiment " ' the composition structure be design in conjunction with the lower plywood in first and second preferred embodiment.See also Figure 15, it is the structure side view of the lower plywood of the film circuit board of illuminated keyboard of the present invention in the 4th preferred embodiment.
Below Fig. 5 is also please synchronously consulted in explanation.in the 4th preferred embodiment, lower plywood 231 " ' comprise the second film 2312, stick in the first film 2313 of upper surface of the second film 2312 and the interval film 2316 that is arranged at the upper surface of the first film 2313, a plurality of light guiding points 2314 that the light that provides in order to gathering and scattering light-emitting component 21 is provided between the first film 2313 and the second film 2312, and a plurality of light guiding points 2314 are to arrange according to the position of a plurality of buttons 24, so that a plurality of light guiding points 2314 can be with upwards projection of light, and then can penetrate a plurality of perforation 291 on button base plate 29 and be projected to a plurality of buttons 24 zones.
Again, the first circuit pattern 2311 is the upper surfaces that are printed in interval film 2316, and the first circuit pattern 2311 has many metallic traces 23112, and those metallic circuits 23112 have the character with light-ray condensing and scattering.Therefore, in the 4th preferred embodiment, lower plywood 231 " ' advantage be the combination of the advantage described in first and second preferred embodiment; in addition, in the 4th preferred embodiment, lower plywood 231 " ' material, processing procedure described as first and second preferred embodiment, namely no longer given unnecessary details at this.Again, these a plurality of light guiding points 2314 are not to be the necessary element that limits present embodiment.Certainly, those skilled in the art, the enlightenment that also can be obtained by above-mentioned the 4th preferred embodiment and in conjunction with the design of the lower plywood in the first and the 3rd preferred embodiment.
Next the 5th preferred embodiment of illuminated keyboard of the present invention is described, sees also Figure 16 and Figure 17, Figure 16 is the structure side view of the illuminated keyboard of the present invention's the 5th preferred embodiment, and Figure 17 is the structural representation of the film circuit board of illuminated keyboard shown in Figure 16.The illuminated keyboard 3 of the 5th preferred embodiment is roughly identical with the first preferred embodiment, wherein the difference part is, film circuit board 26 is structures of single laminate, and the upper surface of film circuit board 26 has circuit pattern 263, and circuit pattern 263 has a plurality of thin film switches 2631 and metallic circuit 2632, each thin film switch 2631 comprises the first conductive part 26311 and the second conductive part 26312, and the first conductive part 26311 is not contacted with the second conductive part 26312.
In addition, each button 25 has more a conductor 252 that is connected in keycap 251, and conductor 252 is between keycap 251 and button base plate 29; Wherein, when keycap 251 touched and when moving down with respect to button base plate 29, the first framework 2531 and second framework 2532 of Connection Element 253 change to closed state by folding condition, and conductor 252 can pass the corresponding perforation 291 on button base plate 29, to contact corresponding thin film switch 2631, make by this thin film switch 2631 reach and electrically conduct, and then make illuminated keyboard 3 produce a corresponding push button signalling.
What specify is, film circuit board 26 in the present embodiment is still the design of plural layers, and comprise the first film 262 and the second film 261 (as the first film 2313 in the first embodiment and the second film 2312), and the same between the first film 262 and the second film 261 have in order to assembling and a plurality of light guiding points 2614 of the light that scattering light-emitting component 21 provides, so the film circuit board in the present embodiment 26 also has advantages of as the lower plywood 231 in the first preferred embodiment.
Again, in one the 6th preferred embodiment, make the film circuit board 26 of the illuminated keyboard 3 of the 5th preferred embodiment can be as the film storehouse mode of the lower plywood 231 ' in the second preferred embodiment, the interval film (not indicating in figure) that comprises the first film 262 and be arranged at the upper surface of the first film 262, and a plurality of light guiding points 2614 are arranged at the lower surface of the first film 262, thereby film circuit board 26 has advantages of as the lower plywood 231 ' in the second preferred embodiment.
Again, in one the 7th preferred embodiment, make the film circuit board 26 of the illuminated keyboard 3 of the 5th preferred embodiment can be as the lower plywood 231 in the 3rd preferred embodiment " film storehouse mode; the interval film (indicating in figure) that comprises the first film 262 and be arranged at the upper surface of the first film 262; and interval film is comprised of the block film that polylith separates, thereby film circuit board 26 has advantages of as the lower plywood 231 in the 3rd preferred embodiment ".
again, in one the 8th embodiment, make the film circuit board 26 of the illuminated keyboard 3 of the 5th preferred embodiment can be as the lower plywood 231 in the 4th preferred embodiment " ' film storehouse mode, comprise the second film 261, stick in the first film 262 of upper surface of the second film 261 and the interval film (in figure indicate) that is arranged at the upper surface of the first film 262, and a plurality of light guiding points 2614 that the light that provides in order to gathering and scattering light-emitting component 21 is provided between the first film 262 and the second film 261, thereby film circuit board 26 has advantages of as the lower plywood 231 in the 4th preferred embodiment " '.
as can be known according to above each preferred embodiment, illuminated keyboard 2 of the present invention, 3 need not additionally arrange light guide plate, saved manufacturing cost, and illuminated keyboard 2, film circuit board 23 in 3, 26 or lower plywood 231 design in the mode of plural layers, can avoid wasting because of the character of metallic circuit 2632 collected light of the metallic circuit 23112 of the first circuit pattern 2311 or circuit pattern 263 and should be used in button 24, 25 light quantity, and can be reclaimed light guiding points 2314, 2614 downward scatterings and the light that runs off, to increase these a plurality of light guiding points 2314, 2614 light quantities of scattering upwards, and then make a plurality of buttons 24 of illuminated keyboard 2, 25 obtain more light quantity, so illuminated keyboard 2 of the present invention, 3 light that light-emitting component 21 is provided are done the utilization of full blast.
Moreover, another inventive features of the present invention is, button base plate 29 be arranged at a plurality of buttons 24,25 and film circuit board 23,26 between, therefore film circuit board 23,26 does not need specially to arrange open-work, can make each Connection Element 243 connect corresponding button base plate 29 and corresponding keycap 241,251.Therefore, do not have an open-work due to film circuit board 23,26, make film circuit board 23,26 leaded light effect can be continuous, that is to say, the light that light-emitting component 26 provides can not interrupt advancing because running into open-work, therefore illuminated keyboard 2,3 luminous efficiency more can significantly promote.
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 (46)
1. an illuminated keyboard, is characterized in that, comprising:
At least one light-emitting component gives this illuminated keyboard in order to light to be provided;
Film circuit board comprises:
Lower plywood, have the first circuit pattern and a plurality of light guiding points, have a plurality of lower contacts on this first circuit pattern, and these a plurality of light guiding points are in order to the light of assembling and this light-emitting component of scattering provides, wherein, this lower plywood comprises the first film and the second film, in order to increase the make progress light quantity of scattering of these a plurality of light guiding points; And
Top plate, has the second circuit pattern, and have a plurality of upper contacts corresponding to these a plurality of lower contacts on this second circuit pattern, and have a spacing distance between each this upper contact this time contact corresponding with it, and the common thin film switch that forms of the lower contact corresponding with this;
A plurality of buttons are in order to correspondence and these a plurality of thin film switches of conducting; And
The button base plate is used for these a plurality of buttons to connect thereon, and has a plurality of perforation corresponding to these a plurality of buttons;
Wherein, this button base plate is between these a plurality of buttons and this film circuit board.
2. illuminated keyboard as claimed in claim 1, is characterized in that, this first film and this second film are all light-leading film.
3. illuminated keyboard as claimed in claim 2, is characterized in that, these a plurality of light guiding points are arranged between this first film and this second film.
4. illuminated keyboard as claimed in claim 3, is characterized in that, these a plurality of light guiding points are any one that be located at through screen printing processing, hot pressing manufacture procedure or jetting process in this first film and this second film.
5. illuminated keyboard as claimed in claim 3, it is characterized in that, this lower plywood also comprises interval film, and it is arranged between this first film and this first circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
6. illuminated keyboard as claimed in claim 5, is characterized in that, this interval film is to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
7. illuminated keyboard as claimed in claim 2, is characterized in that, have between this first film and this second film to allow the transparent viscose of light penetration, with so that this first film and this second film fit mutually.
8. illuminated keyboard as claimed in claim 2, is characterized in that, this light-leading film is made by polyethylene terephthalate material, makrolon material or acryl plastic material.
9. illuminated keyboard as claimed in claim 1, it is characterized in that, this the first film and this second film are respectively a light-leading film and an interval film, this interval film is arranged between this light-leading film and this first circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
10. illuminated keyboard as claimed in claim 9, is characterized in that, these a plurality of light guiding points are arranged at a lower surface of this light-leading film.
11. illuminated keyboard as claimed in claim 9 is characterized in that, this interval film be see through printing process, plate molded journey, gummed processing procedure or hot pressing manufacture procedure and be formed on this light-leading film.
12. illuminated keyboard as claimed in claim 1 is characterized in that, this light-emitting component is light-emitting diode, and it is arranged at the side of this film circuit board, and shines towards the direction of this film circuit board.
13. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises base, this base is arranged at the below of this film circuit board, in order to these a plurality of buttons of carrying, this button base plate, this film circuit board and this light-emitting component.
14. illuminated keyboard as claimed in claim 1 is characterized in that, each this button comprises:
Keycap is revealed in the outside of this illuminated keyboard; And
Connection Element is arranged between this button base plate and this keycap, in order to connecting this button base plate and this keycap, and this keycap is moved up and down with respect to this button base plate.
15. illuminated keyboard as claimed in claim 14 is characterized in that, each this button also comprises:
Elastomer is arranged between this keycap and this button base plate, and has the top;
Wherein, this Connection Element is scissor Connection Element, and when this keycap is touched, this elastomer is compressed and make this top pass this corresponding perforation of this button base plate, to support this corresponding thin film switch, and when this keycap was no longer touched, this elastomer provided an elastic force to give this keycap so that this keycap sets back.
16. illuminated keyboard as claimed in claim 1, it is characterized in that, this film circuit board also comprises la m, this la m is arranged between this lower plywood and this top plate, make between each this upper contact this time contact corresponding with it to have this spacing distance, and this la m has a plurality of perforates corresponding to these a plurality of lower contacts and these a plurality of upper contacts.
17. an illuminated keyboard is characterized in that, comprising:
At least one light-emitting component gives this illuminated keyboard in order to light to be provided;
Film circuit board, have circuit pattern and a plurality of light guiding points, have a plurality of thin film switches on this circuit pattern, and these a plurality of light guiding points are in order to the light of assembling and this light-emitting component of scattering provides, wherein, this film circuit board comprises the first film and the second film, in order to increase the make progress light quantity of scattering of these a plurality of light guiding points;
A plurality of buttons are in order to correspondence and these a plurality of thin film switches of conducting; And
The button base plate is used for these a plurality of buttons to connect thereon, and has a plurality of perforation corresponding to these a plurality of buttons;
Wherein, this button base plate is between these a plurality of buttons and this film circuit board.
18. illuminated keyboard as claimed in claim 17 is characterized in that, each this thin film switch comprises the first conductive part and the second conductive part, and this first conductive part is not contacted with this second conductive part.
19. illuminated keyboard as claimed in claim 18 is characterized in that, each this button comprises:
Keycap is revealed in the outside of this illuminated keyboard;
Connection Element is arranged between this button base plate and this keycap, in order to connecting this button base plate and this keycap, and this keycap is moved up and down with respect to this button base plate; And
Conductor is arranged between this keycap and this button base plate;
Wherein, when this keycap was touched, this conductor passed this corresponding perforation of this button base plate, this thin film switch of conducting to contact this corresponding thin film switch.
20. illuminated keyboard as claimed in claim 19 is characterized in that, each this Connection Element is a scissor Connection Element.
21. illuminated keyboard as claimed in claim 17 is characterized in that, this first film and this second film are all light-leading film.
22. illuminated keyboard as claimed in claim 21 is characterized in that, these a plurality of light guiding points are arranged between this first film and this second film.
23. illuminated keyboard as claimed in claim 22 is characterized in that, these a plurality of light guiding points are any one that be located at through screen printing processing, hot pressing manufacture procedure or jetting process in this first film and this second film.
24. illuminated keyboard as claimed in claim 22, it is characterized in that, this film circuit board also comprises interval film, and it is arranged between this first film and this circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
25. illuminated keyboard as claimed in claim 24 is characterized in that, this interval film is to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
26. illuminated keyboard as claimed in claim 21 is characterized in that, have between this first film and this second film to allow the transparent viscose of light penetration, with so that this first film and this second film fit mutually.
27. illuminated keyboard as claimed in claim 21 is characterized in that, this light-leading film is made by polyethylene terephthalate material, makrolon material or acryl plastic material.
28. illuminated keyboard as claimed in claim 17, it is characterized in that, this the first film and this second film are respectively a light-leading film and an interval film, this interval film is arranged between this light-leading film and this circuit pattern, in order to increase the light that this first film obtains, the probability of total reflection occurs in this first film.
29. illuminated keyboard as claimed in claim 28 is characterized in that, these a plurality of light guiding points are arranged at a lower surface of this light-leading film.
30. illuminated keyboard as claimed in claim 28 is characterized in that, this interval film be see through printing process, plate molded journey, gummed processing procedure or hot pressing manufacture procedure and be formed on this light-leading film.
31. illuminated keyboard as claimed in claim 17 is characterized in that, this light-emitting component is light-emitting diode, and it is arranged at the side of this film circuit board, and shines towards the direction of this film circuit board.
32. illuminated keyboard as claimed in claim 17 is characterized in that, also comprises base, this base is arranged at the below of this film circuit board, in order to these a plurality of buttons of carrying, this button base plate, this film circuit board and this light-emitting component.
33. an illuminated keyboard is characterized in that, comprising:
At least one light-emitting component gives this illuminated keyboard in order to light to be provided;
Film circuit board comprises:
Top plate, the second circuit pattern that has topmost thin film and be formed at the lower surface of this topmost thin film, and be provided with a plurality of upper contacts on this second circuit pattern; And
Lower plywood, have the first film, the first circuit pattern and the second film between this first film and this first circuit pattern, be provided with a plurality of lower contact corresponding to these a plurality of upper contacts on this first circuit pattern, and has a spacing distance between each this upper contact this time contact corresponding with it, and the common thin film switch that forms of the upper contact corresponding with this, wherein, the refractive index of this second film is less than the refractive index of this first film;
A plurality of buttons are in order to these a plurality of thin film switches of conducting; And
The button base plate is used for these a plurality of buttons to connect thereon, and has a plurality of perforation corresponding to these a plurality of buttons;
Wherein, this button base plate is between these a plurality of buttons and this film circuit board.
34. illuminated keyboard as claimed in claim 32 is characterized in that, this first circuit pattern comprises many metallic traces.
35. illuminated keyboard as claimed in claim 34 is characterized in that, these many metallic traces are elargol circuits.
36. illuminated keyboard as claimed in claim 34 is characterized in that, this second film is single continuity film, and these many metallic traces are formed on this single continuity film.
37. illuminated keyboard as claimed in claim 36 is characterized in that, this second film is to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
38. illuminated keyboard as claimed in claim 34 is characterized in that, this second film is comprised of a plurality of block film, and these many metallic traces are formed at respectively on these a plurality of block films.
39. illuminated keyboard as claimed in claim 38 is characterized in that, these a plurality of block films are to be formed on this first film through printing process, film-plating process, gummed processing procedure or hot pressing manufacture procedure.
40. illuminated keyboard as claimed in claim 33 is characterized in that, this first film is light-leading film.
41. illuminated keyboard as claimed in claim 40 is characterized in that, this light-leading film is made by makrolon material, polyethylene terephthalate material or acryl plastic material.
42. illuminated keyboard as claimed in claim 33 is characterized in that, this light-emitting component is light-emitting diode, and it is arranged at the side of this film circuit board, and shines towards the direction of this film circuit board.
43. illuminated keyboard as claimed in claim 33 is characterized in that, also comprises base, this base is arranged at the below of this film circuit board, in order to these a plurality of buttons of carrying, this button base plate, this film circuit board and this light-emitting component.
44. illuminated keyboard as claimed in claim 33 is characterized in that, each this button comprises:
Keycap is revealed in the outside of this illuminated keyboard; And
Connection Element is arranged between this button base plate and this keycap, in order to connecting this button base plate and this keycap, and this keycap is moved up and down with respect to this button base plate.
45. illuminated keyboard as claimed in claim 44 is characterized in that, each this button also comprises:
Elastomer is arranged between this keycap and this button base plate, and has the top;
Wherein, this Connection Element is scissor Connection Element, and when this keycap is touched, this elastomer is compressed and make this top pass this corresponding perforation of this button base plate, to support this corresponding thin film switch, and when this keycap was no longer touched, this elastomer provided an elastic force to give this keycap so that this keycap sets back.
46. illuminated keyboard as claimed in claim 33, it is characterized in that, this film circuit board also comprises la m, this la m is arranged between this top plate and this lower plywood, make between each this upper contact this time contact corresponding with it to have this spacing distance, and this la m has a plurality of perforates corresponding to these a plurality of lower contacts and these a plurality of upper contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110425149.0A CN103165327B (en) | 2011-12-16 | 2011-12-16 | Illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110425149.0A CN103165327B (en) | 2011-12-16 | 2011-12-16 | Illuminated keyboard |
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| CN103165327A true CN103165327A (en) | 2013-06-19 |
| CN103165327B CN103165327B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110425149.0A Expired - Fee Related CN103165327B (en) | 2011-12-16 | 2011-12-16 | Illuminated keyboard |
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| CN (1) | CN103165327B (en) |
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