CN102800517A - Luminous keyboard - Google Patents
Luminous keyboard Download PDFInfo
- Publication number
- CN102800517A CN102800517A CN2011101369221A CN201110136922A CN102800517A CN 102800517 A CN102800517 A CN 102800517A CN 2011101369221 A CN2011101369221 A CN 2011101369221A CN 201110136922 A CN201110136922 A CN 201110136922A CN 102800517 A CN102800517 A CN 102800517A
- Authority
- CN
- China
- Prior art keywords
- shield layer
- light shield
- switch circuit
- film switch
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a luminous keyboard. The luminous keyboard comprises a plurality of keys, a membrane switch circuit, a light emitting module used for generating light beams, and a light shield layer, wherein the membrane switch circuit is triggered by the keys to generate signals; the light shield layer used for shielding the light beams is arranged on the membrane switch circuit; and the amount of the light shielded by the light shield layer close to the light emitting module is large, so that the luminous keyboard can emit light uniformly.
Description
Technical field
The present invention especially has the illuminated keyboard of lighting function about a kind of keyboard.
Background technology
Keyboard is the computer peripheral apparatus of using always, in order to input characters or instruct to computer.See also Fig. 1, it is the surface structure sketch map of existing keyboard.Have a plurality of buttons 10 on the surface of existing keyboard 1; Those buttons 10 are classified as general key 101, numerical key 102 and function key 103 etc., and those buttons supply users to press with finger and produce corresponding signal to computer, make computer carry out touched keypress function; For example general key 101 is in order to symbols such as inputting English letters; Numerical key 102 is in order to input digit, and function key 103 is then in order to provide various functions, for example F1～F12 etc.Include a space bar 1011 in the general key 101, be positioned at a side of existing keyboard 1, function key 103 then is positioned at the opposite side of existing keyboard 1.
Along with the evolution of science and technology, keyboard manufacturer is devoted to research and develop various keyboards with specific function to satisfy different users's various demands, is the example explanation with the illuminated keyboard with lighting function.The outward appearance of existing illuminated keyboard is roughly the same with the outward appearance of existing keyboard 1, but because of illuminated keyboard provides the function of key illumination, so its internal structure is with to have not luminous keyboard now different.Below explanation has the internal structure of illuminated keyboard now.See also Fig. 2, it is the structural profile sketch map of existing illuminated keyboard.Existing illuminated keyboard 2 comprises a plurality of button 20, a film switch circuit 21, a LGP 22, a light emitting module 23, a main circuit board 24, a reflector 25 and a base 26.Button 20 comprises a button cap 201, a button housing 202 and an elastomer 203.In the existing illuminated keyboard 2; Basipetal the putting in order of above-mentioned each element is button cap 201, button housing 202, elastomer 203, film switch circuit 21, LGP 22, reflector 25 and base 26; Main circuit board 24 is positioned at a side of film switch circuit 21, and light emitting module 23 then is positioned at the opposite side of film switch circuit 21.
In the button 20; Button cap 201 is revealed in outside the existing illuminated keyboard 2 and can the person of being used presses; 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 all is made with transparent material wherein going up wiring board 211, separator 212 and line plate 213; And transparent material is Merlon (Polycarbonate; PC) or polyethylene (polyethylene PE) waits material.Last 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, has corresponding to a plurality of contacts 2131 down of a plurality of upper contacts 2111 to form a plurality of button contacts with a plurality of upper contacts 2111.In addition, but film switch circuit 21 is connected in main circuit board 24 and transferring electric power and signal.
In the existing illuminated keyboard 2; Has transmission region 2011 on the 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 zone of the leaded light on the LGP 22 221, so that light beam sees through the leaded light site 2211 in leaded light zone 221 and is directed to its transmission region 2011.By this, letter or the symbol on its button cap 201 then is able to printing opacity and has illumination effect.
Yet; Because light emitting module 23 is arranged at the opposite side of film switch circuit 21; The light quantity that makes the side that approaches space bar (please with reference to Fig. 1) in the existing illuminated keyboard 2 appeared is bigger; And the light quantity that a side that is away from space bar in the existing illuminated keyboard 2 is appeared is less, therefore causes the illumination effect of illuminated keyboard 2 inhomogeneous.
Summary of the invention
The technical problem that the present invention will solve is that the above-mentioned deficiency to prior art exists provides a kind of illuminated keyboard with evenly luminous effect.
The technical solution adopted for the present invention to solve the technical problems provides a kind of illuminated keyboard, and it comprises a plurality of buttons, film switch circuit, light emitting module and light shield layer; This film switch circuit has a plurality of button contacts corresponding to these a plurality of buttons; This light emitting module is positioned at first side of this film switch circuit, in order to produce many light beams; This light shield layer is arranged at the below of these a plurality of buttons, in order to cover this many light beams; First side of this light shield layer light quantity of the covering light quantity of covering wherein greater than second side of this light shield layer, and this first side joint of this light shield layer is bordering on this light emitting module.
Preferably, this film switch circuit comprises wiring board, separator and line plate, and wiring board has a plurality of upper contacts on this; This separator is positioned at the below of wiring board on this, and this separator has a plurality of separator perforates corresponding to these a plurality of upper contacts, and these a plurality of separator perforates are stretched into by these a plurality of upper contacts when this film switch circuit is touched; This line plate is positioned at the below of this separator, has corresponding to a plurality of contacts down of these a plurality of upper contacts to form these a plurality of button contacts with these a plurality of upper contacts.
Preferably, this light shield layer is arranged on the upper surface of wiring board on this, and the thickness of this first side of this light shield layer is greater than the thickness of this second side of this light shield layer.
Preferably, this light shield layer is made and be arranged on the upper surface of wiring board on this by white ink, and the printing ink concentration of this first side of this light shield layer is greater than the printing ink concentration of this second side of this light shield layer.
Preferably; This light shield layer is to be constituted and be arranged on the upper surface of wiring board on this by a plurality of shadings site; This of this light shield layer first side is this a plurality of shadings site that distributes with high density, and this of this light shield layer second side then is this a plurality of shadings site that distributes with low-density.
Preferably, this light shield layer is arranged on a lower surface of a upper surface or this separator of this separator, and the thickness of this first side of this light shield layer is greater than the thickness of this second side of this light shield layer.
Preferably, this light shield layer is made and be arranged on a lower surface of a upper surface or this separator of this separator by white ink, and the printing ink concentration of this first side of this light shield layer is greater than the printing ink concentration of this second side of this light shield layer.
Preferably; This light shield layer is to be constituted and be arranged on a lower surface of a upper surface or this separator of this separator by a plurality of shadings site; This of this light shield layer first side is this a plurality of shadings site that distributes with high density, and this of this light shield layer second side then is this a plurality of shadings site that distributes with low-density.
Preferably, said illuminated keyboard also comprises LGP, and this LGP is stacked and placed on this film switch circuit and is positioned at the below of this film switch circuit, makes it be projected to this a plurality of buttons in order to these many light beams of guiding; Wherein this light shield layer is arranged on the upper surface of this LGP, and the thickness of this first side of this light shield layer is greater than the thickness of this second side of this light shield layer.
Preferably, said illuminated keyboard also comprises LGP, and this LGP is stacked and placed on this film switch circuit and is positioned at the below of this film switch circuit, makes it be projected to this a plurality of buttons in order to these many light beams of guiding; Wherein this light shield layer is made and be arranged on the upper surface of this LGP by white ink, and the printing ink concentration of this first side of this light shield layer is greater than the printing ink concentration of this second side of this light shield layer.
Preferably, said illuminated keyboard also comprises LGP, and this LGP is stacked and placed on this film switch circuit and is positioned at the below of this film switch circuit, makes it be projected to this a plurality of buttons in order to these many light beams of guiding; Wherein this light shield layer is to be constituted and be arranged on the upper surface of this LGP by a plurality of shadings site; This of this light shield layer first side is this a plurality of shadings site that distributes with high density, and this of this light shield layer second side then is this a plurality of shadings site that distributes with low-density.
Preferably, said illuminated keyboard also comprises main circuit board and base, and this main circuit board is connected in this film switch circuit, provides an electric power to this film switch circuit; This base is arranged at the below of this film switch circuit, carries these a plurality of buttons, this film switch circuit, this light emitting module and this main circuit board.
Preferably, this light emitting module comprises luminous circuit board and a plurality of light-emitting diode, and this luminous circuit board is positioned at this first side of this film switch circuit, and another electric power is provided; These a plurality of light-emitting diodes are arranged on this luminous circuit board and obtain this another electric power and be able to produce these many light beams.
Preferably, said illuminated keyboard also comprises base plate, and this base plate carries these a plurality of buttons and this film switch circuit and is connected in this a plurality of buttons, and each this button comprises button cap, scissor Connection Element and elastomer, and this button cap has transmission region; This scissor Connection Element connects this base plate and this button cap and this button cap is moved up and down with respect to this base plate between this base plate and this button cap; This elastomer is between this film switch circuit and this button cap, and when this button cap was touched, this elastomer was compressed and replaces this film switch circuit, and this upper contact is contacted with this time contact; And when this button cap was no longer touched, this elastomer provided an elastic force to this button cap, and this button cap is resetted.
Illuminated keyboard of the present invention is through being provided with light shield layer; And make light shield layer have two or more shaded effects; The light shield layer that promptly is arranged near the light emitting module place has strong shaded effect; And the light shield layer that is arranged at away from the light emitting module place has more weak shaded effect, makes illuminated keyboard have uniform luminous effect.
Description of drawings
Fig. 1 is the surface structure sketch map of existing keyboard.
Fig. 2 is the structural profile sketch map of existing illuminated keyboard.
Fig. 3 is the structural profile sketch map of illuminated keyboard first preferred embodiment of the present invention.
Fig. 4 is the film switch circuit of illuminated keyboard first preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of light emitting module.
Fig. 5 is the structural profile sketch map of illuminated keyboard second preferred embodiment of the present invention.
Fig. 6 is the film switch circuit of illuminated keyboard second preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of light emitting module.
Fig. 7 is the structural profile sketch map of illuminated keyboard the 3rd preferred embodiment of the present invention.
Fig. 8 is the structural profile sketch map of illuminated keyboard the 4th preferred embodiment of the present invention.
Fig. 9 is the STRUCTURE DECOMPOSITION sketch map of film switch circuit, LGP and the light emitting module of illuminated keyboard the 4th preferred embodiment of the present invention.
Embodiment
In view of the defective of prior art, the present invention provides a kind of illuminated keyboard.See also Fig. 3, it is for the structural profile sketch map of illuminated keyboard first preferred embodiment of the present invention.Illuminated keyboard 3 comprises a plurality of button 30, a film switch circuit 31, a light emitting module 32, a main circuit board 33, a reflector 34, a base 35 and a light shield layer 36.Button 30 comprises a button cap 301, a button housing 302 and an elastomer 303.In the illuminated keyboard 3; Basipetal the putting in order of above-mentioned each element is button cap 301, button housing 302, elastomer 303, light shield layer 36, film switch circuit 31, reflector 34 and base 35; Light emitting module 32 is positioned at first side of film switch circuit 31, and main circuit board 33 then is positioned at second side of film switch circuit 31.In this preferred embodiment; Illuminated keyboard 3 is keyboards that a desktop PC is used; And first side of film switch circuit 31 is a side that has space bar in the illuminated keyboard 3, and second side of film switch circuit 31 is then for having the side of function key F1 in the illuminated keyboard 3.
In each button 30, button cap 301 is revealed in outside the illuminated keyboard 3 and can the person of being used presses, 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, and in this preferred embodiment, elastomer 303 is made with a printing opacity rubber.Film switch circuit 31 is connected in main circuit board 33, but by this and transferring electric power and signal.
Next please consult Fig. 3 and Fig. 4 simultaneously, Fig. 4 is the film switch circuit of illuminated keyboard first preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of light emitting module.Light emitting module 32 comprises a luminous circuit board 321 and a plurality of light-emitting diode 322; Luminous circuit board 321 is positioned at first side of film switch circuit 31; In order to another electric power to a plurality of light-emitting diodes 322 to be provided; And a plurality of light-emitting diodes 322 are arranged on the luminous circuit board 321 and obtain another electric power and be able to produce many light beams, and in this preferred embodiment, a plurality of light-emitting diodes 322 are side-lighting type light-emitting diode.Film switch circuit 31 comprises wiring board 311 on, a separator 312 and wiring board 313 once.Last wiring board 311 has a plurality of upper contacts 3111, and a plurality of upper contacts 3111 are arranged at the lower surface 3113 of wiring board 311.Separator 312 is positioned at the below of wiring board 311; And have a plurality of separator perforates 3121 corresponding to a plurality of upper contacts 3111; And once wiring board 313 is positioned at the below of separator 312; Have these a plurality of contacts 3131 down and a plurality of button contacts of a plurality of upper contacts 3111 formation, and a plurality of contact 3131 down is to be arranged on the upper surface 3132 of line plate 313 corresponding to a plurality of contacts 3131 down of a plurality of upper contacts 3111.In this preferred embodiment; Last wiring board 311 and separator 312 all are made with transparent materials such as Merlon or polyethylene; Line plate 313 then is with Merlon (Polycarbonate; PC) or the acryl plastics (Polymethyl Methacrylate PMMA) waits optical material made.
Among Fig. 3 and Fig. 4, light shield layer 36 is arranged at the upper surface 3112 of wiring board 311, and in order to cover many light beams, in this preferred embodiment, light shield layer 36 is made by white ink.Can know by Fig. 4; Light shield layer 36 has a plurality of perforates 361, and is able to avoid each upper contact 3111 by a plurality of perforates 361, so light shield layer 36 has two effects; First; Can avoid many light beams by overflowing between per two button caps 301, the second, only allow many light beams to pass and be projected on each transmission region 3011 by each perforate 361.Among Fig. 3, reflector 34 is positioned at the below of film switch circuit 31, in order to reflect many light beams.Base 35 then is positioned at the below of reflector 34, in order to carry button cap 301, button housing 302, elastomer 303, film switch circuit 31 and reflector 34.
Structure according to above-mentioned illuminated keyboard 3 can be known; When button cap 301 persons of being used press; Button cap 301 can move up and down with respect to button housing 302; And elastomer 303 is compressed by button cap 301 and replaces film switch circuit 31, makes its upper contact 3111 stretch into corresponding separator perforate 3121 and contact with corresponding down contact 3131, with the generation signal.And when button cap 301 no longer was not used the person and presses, compressed elastomer 303 restored to the original state and an elastic force to button cap 301 is provided, and button cap 301 is resetted.And when a plurality of light-emitting diodes 332 of light emitting module 33 produce many light beams; Many light beam is throwed in the line plate 313 that gets into film switch circuit 31; Segment beam is projected to the transmission region 3011 of button cap 301 with 313 guiding of the made line plate of optical material, segment beam then is positioned at reflector 35 reflections of film switch circuit 31 belows and gets into line plate 313 once more and by 313 guiding of line plate.
Next the forming process of the light shield layer 36 of this preferred embodiment is described.At first, a web plate that will have a plurality of rectangle shaded areas is covered on the upper surface 3112 of last wiring board 311 of film switch circuit 31, and a plurality of rectangle shaded areas is in alignment with a plurality of upper contacts 3111 of last wiring board 311.Next white ink is poured in the web plate, white ink is flow on the upper surface 3112 of wiring board 311, and white ink is stopped to form a plurality of perforates 361 on the light shield layer 36 by a plurality of rectangle shaded areas of web plate.At last, white ink is carried out print routine, make white ink form light shield layer 36 on the surface 3112 on it.In this preferred embodiment, the white ink that constitutes light shield layer 36 is to adopt UV curing type white ink.
In the setting up procedure of light shield layer 36; It is to utilize two web plates and respectively at carrying out the ink printing program in the both sides of last wiring board 311; With the light shield layer 36 that forms two kinds of variable concentrations; The concentration that wherein is positioned at the white ink on first side of film switch circuit 31 is higher, and the concentration that is positioned at the white ink on second side of film switch circuit 31 is then lower.By this, approach the light quantity that light quantity that first side 362 of the light shield layer 36 of light emitting module 32 covered is covered greater than second side 363 of light shield layer 36, so the illumination effect of illuminated keyboard 3 is even.
Moreover the present invention more provides one second preferred embodiment.See also Fig. 5, it is for the structural profile sketch map of illuminated keyboard second preferred embodiment of the present invention.Illuminated keyboard 4 comprises a plurality of button 40, a film switch circuit 41, a light emitting module 42, a main circuit board 43, a reflector 44, a base plate 45 and a light shield layer 46.Button 40 comprises a button cap 401, one a scissor Connection Element 402 and an elastomer 403, and film switch circuit 41 comprises wiring board 411 on, a separator 412 and wiring board 413 once.In the illuminated keyboard 4; Above-mentioned each element is basipetal to put in order to button cap 401, scissor Connection Element 402, elastomer 403, go up wiring board 411, light shield layer 46, separator 412, once wiring board 413, reflector 44 and base plate 45; Light emitting module 42 is positioned at first side of film switch circuit 41, and main circuit board 43 then is positioned at second side of film switch circuit 41.In this preferred embodiment; Illuminated keyboard 4 is keyboards that a notebook computer is used; And first side of film switch circuit 41 is the lower side of film switch circuit 41; That is having a side of space bar, second side of film switch circuit 41 is the upper side of film switch circuit 41 then, that is has the side of function key F1.
In each button 40, button cap 401 is revealed in outside the illuminated keyboard 4 and can the person of being used presses, 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 connection button cap 401 and base plate 45, and elastomer 403 passes scissor Connection Element 402 and contacts with button cap 401 and film switch circuit 41 respectively.But film switch circuit 41 is connected in main circuit board 43 and transferring electric power and signal.
Next see also Fig. 6, it is the film switch circuit of illuminated keyboard second preferred embodiment of the present invention and the STRUCTURE DECOMPOSITION sketch map of light emitting module.Light emitting module 42 comprises a luminous circuit board 421 and a plurality of light-emitting diode 422; Luminous circuit board 421 is positioned at first side of film switch circuit 41; In order to another electric power to a plurality of light-emitting diodes 422 to be provided; And a plurality of light-emitting diodes 422 are arranged on the luminous circuit board 421 and obtain another electric power and be able to produce many light beams, and in this preferred embodiment, a plurality of light-emitting diodes 422 are side-lighting type light-emitting diode; And luminous circuit board 421 be a flexible circuit board (Flexible PrintedCircuit, FPC).In the film switch circuit 41, last wiring board 411 has a plurality of upper contacts 4111, and a plurality of upper contact 4111 is arranged at the lower surface 4113 of wiring board 411.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 line plate 413 is positioned at the below of separator 412; Line plate 413 has a plurality of down contacts 4131 corresponding to a plurality of upper contacts 4111, and a plurality of contact 4131 down is to be arranged on the upper surface 4132 of line plate 413 and with a plurality of upper contacts 4111 to form a plurality of button contacts.In this preferred embodiment, last wiring board 411 and separator 412 all are made with transparent materials such as Merlon or polyethylene, and line plate 413 then is made with optical materials such as Merlon or acryl plastics.
Among Fig. 5 and Fig. 6, light shield layer 46 is arranged at the upper surface 4122 of separator 412, in order to cover many light beams.Can know by Fig. 6; Light shield layer 46 has a plurality of perforates 461 and is able to avoid each upper contact 4111; So light shield layer 46 has two effects, the first, can avoid many light beams by overflowing between per two button caps 401; The second, only allow many light beams to pass and be projected on each transmission region 4011 by each perforate 461.Among Fig. 5; Reflector 44 is positioned at the below of film switch circuit 41; In order to reflect many light beams; Base plate 45 then is positioned at the below of reflector 44, and is connected in scissor Connection Element 402, in order to carry button cap 401, scissor Connection Element 402, elastomer 403, film switch circuit 41 and reflector 44.Operation situation about illuminated keyboard 4 is identical haply with first preferred embodiment, and no longer adds explanation.
Next the forming process of the light shield layer 46 of this preferred embodiment is described.At first, a web plate that will have a plurality of rectangle shaded areas is covered on the upper surface 4122 of separator 412 of film switch circuit 41, and a plurality of rectangle shaded areas is in alignment with a plurality of separator perforates 4121 of separator 412.Next white ink is poured in the web plate, white ink is flow on the upper surface 4122 of separator 412, and white ink is stopped to form a plurality of perforates 461 on the light shield layer 46 by a plurality of rectangle shaded areas of web plate.Again white ink is carried out print routine, make white ink form light shield layer 46 on the surface 4122 on it.
In the setting up procedure of light shield layer 46; On a side that is positioned at film switch circuit 41, carry out one time the ink printing program; Be positioned on the opposite side of film switch circuit 41 and then carry out repeatedly ink printing program, therefore cause the thickness of light shield layer 46 both sides different, that is it is bigger to be positioned at the thickness T 1 of the white ink on first side of film switch circuit 41; The thickness T 2 that is positioned at the white ink on second side of film switch circuit 41 is then less than its thickness T 1, and is as shown in Figure 6.By this, approach the light quantity that light quantity that first side 462 of the light shield layer 46 of light emitting module 42 covered is covered greater than second side 463 of light shield layer 46, so the illumination effect of illuminated keyboard 4 is even.
Moreover the present invention more provides one the 3rd preferred embodiment.See also Fig. 7, it is for the structural profile sketch map of illuminated keyboard the 3rd preferred embodiment of the present invention.Illuminated keyboard 5 comprises a plurality of button 50, a film switch circuit 51, a light emitting module 52, a main circuit board 53, a reflector 54, a base 55 and a light shield layer 56.Button 50 comprises a button cap 501, one a scissor Connection Element 502 and an elastomer 503; And film switch circuit 51 comprises wiring board 511 on, a separator 512 and wiring board 513 once, and light emitting module 52 comprises a luminous circuit board 521 and a plurality of light-emitting diode 522.In the illuminated keyboard 5; Basipetal the putting in order of above-mentioned each element is button cap 501, scissor Connection Element 502, elastomer 503, last wiring board 511, separator 512, light shield layer 56, line plate 513, reflector 54 and base 55; Light emitting module 52 is positioned at first side of film switch circuit 51, and main circuit board 53 then is positioned at second side of film switch circuit 51.
In this preferred embodiment; Illuminated keyboard 5 is keyboards that a desktop PC is used; And illuminated keyboard 3 differences of the illuminated keyboard 5 of this preferred embodiment and first preferred embodiment are that light shield layer 56 is arranged on a lower surface 5123 of film switch circuit 51 separators 512.All the other structures as for illuminated keyboard 5 are identical haply with the illuminated keyboard 3 of first preferred embodiment, and repeat no more.
In addition, the present invention more provides one the 4th preferred embodiment.See also Fig. 8, it is for the structural profile sketch map of illuminated keyboard the 4th preferred embodiment of the present invention.Illuminated keyboard 6 comprises a plurality of button 60, a film switch circuit 61, a light emitting module 62, a main circuit board 63, a LGP 64, a reflector 65, a base plate 66 and a light shield layer 67.In the illuminated keyboard 6; Basipetal the putting in order of above-mentioned each element is button cap 601, scissor Connection Element 602, elastomer 603, film switch circuit 61, light shield layer 67, LGP 64, reflector 65 and base plate 66; Light emitting module 62 is positioned at first side of film switch circuit 61, and main circuit board 63 then is positioned at second side of film switch circuit 61.In this preferred embodiment; Illuminated keyboard 6 is keyboards that a notebook computer is used; And first side of film switch circuit 61 is the lower side of film switch circuit 61; That is having a side of space bar, second side of film switch circuit 61 is the upper side of film switch circuit 61 then, that is has the side of function key F1.
In each button 60, button cap 601 is revealed in outside the illuminated keyboard 6 and can the person of being used presses, and button cap 601 has transmission region 6011, that is the position at letter or symbol place.Scissor Connection Element 602 is in order to connection button cap 601 and base plate 66, and elastomer 603 passes scissor Connection Element 602 and contacts with button cap 601 and film switch circuit 61 respectively.But film switch circuit 61 is connected in main circuit board 63 and transferring electric power and signal.
Next see also Fig. 9, it is the STRUCTURE DECOMPOSITION sketch map of film switch circuit, LGP and the light emitting module of illuminated keyboard the 4th preferred embodiment of the present invention.Film switch circuit 61 comprises wiring board 611 on, a separator 612 and wiring board 613 once.Last wiring board 611 has a plurality of upper contacts 6111, and a plurality of upper contact 6111 is arranged at the lower surface 6113 of wiring board 611.Separator 612 is positioned at the below of wiring board 611, and has a plurality of separator perforates 6121 corresponding to a plurality of upper contacts 6111.And once wiring board 613 is positioned at the below of separator 612, has a plurality of contacts 6131 down corresponding to a plurality of upper contacts 6111, and a plurality of contact 6131 down is arranged on the upper surface 6132 of line plate 613 and with a plurality of upper contacts 6111 and forms a plurality of button contacts.In this preferred embodiment, last wiring board 611, separator 612 and line plate 613 all are made with transparent material, and transparent material is materials such as Merlon or polyethylene.
Among Fig. 9, light shield layer 67 is arranged at the upper surface 641 of LGP 64, in order to cover many light beams; In this preferred embodiment; Light shield layer 67 is by being made up of the made a plurality of shadings site of white ink, and the light shield layer 67 that is positioned on first side of LGP 64 is a plurality of shadings sites 671 that distribute with high density, and its shieldable light quantity is bigger; Be positioned at the light shield layer 67 a plurality of shadings site 671 for distributing with low-density then on second side of LGP 64, its shieldable light quantity is less.Therefore approach the light quantity that light quantity that first side 672 of the light shield layer 67 of light emitting module 62 covered is covered greater than second side 673 of light shield layer 67, make that the illumination effect of illuminated keyboard 6 is even.
Can know according to above-mentioned each preferred embodiment; The light shield layer of illuminated keyboard of the present invention has two or more shaded effects; Light shield layer with strong shaded effect is arranged near the light emitting module part; Light shield layer with more weak shaded effect then is arranged at away from the light emitting module part, makes illuminated keyboard have uniform luminous effect.
The above is merely preferred embodiment of the present invention, is not in order to limiting claim scope of the present invention, and therefore all other do not break away from the equivalence of being accomplished under the disclosed spirit and change or modify, and all should be contained in the scope of the present invention.
Claims (14)
1. an illuminated keyboard is characterized in that, comprising:
A plurality of buttons;
Film switch circuit has a plurality of button contacts corresponding to these a plurality of buttons;
Light emitting module is positioned at first side of this film switch circuit, in order to produce many light beams; And
Light shield layer is arranged at the below of these a plurality of buttons, in order to cover this many light beams; First side of this light shield layer light quantity of the covering light quantity of covering wherein greater than second side of this light shield layer, and this first side joint of this light shield layer is bordering on this light emitting module.
2. illuminated keyboard as claimed in claim 1 is characterized in that, this film switch circuit comprises:
Last wiring board has a plurality of upper contacts;
Separator is positioned at the below of wiring board on this, and this separator has a plurality of separator perforates corresponding to these a plurality of upper contacts, and these a plurality of separator perforates are stretched into by these a plurality of upper contacts when this film switch circuit is touched; And
The line plate is positioned at the below of this separator, has corresponding to a plurality of contacts down of these a plurality of upper contacts to form these a plurality of button contacts with these a plurality of upper contacts.
3. illuminated keyboard as claimed in claim 2 is characterized in that, this light shield layer is arranged on the upper surface of wiring board on this, and the thickness of this first side of this light shield layer is greater than the thickness of this second side of this light shield layer.
4. illuminated keyboard as claimed in claim 2; It is characterized in that; This light shield layer is made and be arranged on the upper surface of wiring board on this by white ink, and the printing ink concentration of this first side of this light shield layer is greater than the printing ink concentration of this second side of this light shield layer.
5. illuminated keyboard as claimed in claim 2; It is characterized in that; This light shield layer is to be constituted and be arranged on the upper surface of wiring board on this by a plurality of shadings site; This of this light shield layer first side is this a plurality of shadings site that distributes with high density, and this of this light shield layer second side then is this a plurality of shadings site that distributes with low-density.
6. illuminated keyboard as claimed in claim 2 is characterized in that, this light shield layer is arranged on a lower surface of a upper surface or this separator of this separator, and the thickness of this first side of this light shield layer is greater than the thickness of this second side of this light shield layer.
7. illuminated keyboard as claimed in claim 2; It is characterized in that; This light shield layer is made and be arranged on a lower surface of a upper surface or this separator of this separator by white ink, and the printing ink concentration of this first side of this light shield layer is greater than the printing ink concentration of this second side of this light shield layer.
8. illuminated keyboard as claimed in claim 2; It is characterized in that; This light shield layer is to be constituted and be arranged on a lower surface of a upper surface or this separator of this separator by a plurality of shadings site; This of this light shield layer first side is this a plurality of shadings site that distributes with high density, and this of this light shield layer second side then is this a plurality of shadings site that distributes with low-density.
9. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises LGP, and this LGP is stacked and placed on this film switch circuit and is positioned at the below of this film switch circuit, makes it be projected to this a plurality of buttons in order to these many light beams of guiding; Wherein this light shield layer is arranged on the upper surface of this LGP, and the thickness of this first side of this light shield layer is greater than the thickness of this second side of this light shield layer.
10. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises LGP, and this LGP is stacked and placed on this film switch circuit and is positioned at the below of this film switch circuit, makes it be projected to this a plurality of buttons in order to these many light beams of guiding; Wherein this light shield layer is made and be arranged on the upper surface of this LGP by white ink, and the printing ink concentration of this first side of this light shield layer is greater than the printing ink concentration of this second side of this light shield layer.
11. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises LGP, this LGP is stacked and placed on this film switch circuit and is positioned at the below of this film switch circuit, makes it be projected to this a plurality of buttons in order to these many light beams of guiding; Wherein this light shield layer is to be constituted and be arranged on the upper surface of this LGP by a plurality of shadings site; This of this light shield layer first side is this a plurality of shadings site that distributes with high density, and this of this light shield layer second side then is this a plurality of shadings site that distributes with low-density.
12. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises:
Main circuit board is connected in this film switch circuit, provides an electric power to this film switch circuit; And
Base is arranged at the below of this film switch circuit, carries these a plurality of buttons, this film switch circuit, this light emitting module and this main circuit board.
13. illuminated keyboard as claimed in claim 1 is characterized in that, this light emitting module comprises:
Luminous circuit board is positioned at this first side of this film switch circuit, and another electric power is provided; And
A plurality of light-emitting diodes are arranged on this luminous circuit board and obtain this another electric power and be able to produce these many light beams.
14. illuminated keyboard as claimed in claim 1 is characterized in that, also comprises base plate, this base plate carries these a plurality of buttons and this film switch circuit and is connected in this a plurality of buttons, and each this button comprises:
Button cap has transmission region;
Scissor Connection Element between this base plate and this button cap, connects 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 replaces this film switch circuit, and this upper contact is contacted with this time contact; And when this button cap was no longer touched, this elastomer provided an elastic force to this button cap, and this button cap is resetted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101369221A CN102800517A (en) | 2011-05-24 | 2011-05-24 | Luminous keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101369221A CN102800517A (en) | 2011-05-24 | 2011-05-24 | Luminous keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102800517A true CN102800517A (en) | 2012-11-28 |
Family
ID=47199593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101369221A Pending CN102800517A (en) | 2011-05-24 | 2011-05-24 | Luminous keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102800517A (en) |
Cited By (2)
| 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 |
| CN109148196A (en) * | 2018-08-24 | 2019-01-04 | 惠州Tcl移动通信有限公司 | A kind of key device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020135994A1 (en) * | 2000-07-31 | 2002-09-26 | Hideki Ikarashi | Lighting device |
| CN2651831Y (en) * | 2003-07-21 | 2004-10-27 | 达方电子股份有限公司 | Luminescent keyboard |
| CN2791664Y (en) * | 2005-06-02 | 2006-06-28 | 精元电脑股份有限公司 | Light-guiding bridge plate of light-shading keyboard |
| CN1853068A (en) * | 2003-09-19 | 2006-10-25 | 索尼株式会社 | Backlight device and liquid crystal display |
| US7608792B1 (en) * | 2008-11-17 | 2009-10-27 | Sunrex Technology Corp. | Membrane keyboard/keypad with arrangement for uniformly lighting keys from background |
| CN201780917U (en) * | 2010-07-15 | 2011-03-30 | 新巨企业股份有限公司 | Local luminous keyboard |
-
2011
- 2011-05-24 CN CN2011101369221A patent/CN102800517A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020135994A1 (en) * | 2000-07-31 | 2002-09-26 | Hideki Ikarashi | Lighting device |
| CN2651831Y (en) * | 2003-07-21 | 2004-10-27 | 达方电子股份有限公司 | Luminescent keyboard |
| CN1853068A (en) * | 2003-09-19 | 2006-10-25 | 索尼株式会社 | Backlight device and liquid crystal display |
| CN2791664Y (en) * | 2005-06-02 | 2006-06-28 | 精元电脑股份有限公司 | Light-guiding bridge plate of light-shading keyboard |
| US7608792B1 (en) * | 2008-11-17 | 2009-10-27 | Sunrex Technology Corp. | Membrane keyboard/keypad with arrangement for uniformly lighting keys from background |
| CN201780917U (en) * | 2010-07-15 | 2011-03-30 | 新巨企业股份有限公司 | Local luminous keyboard |
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 |
| 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 |
| CN109148196A (en) * | 2018-08-24 | 2019-01-04 | 惠州Tcl移动通信有限公司 | A kind of key device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203055745U (en) | Keyboard device with luminous keys | |
| CN203012648U (en) | Luminous keyboard | |
| CN203054737U (en) | Keyboard device with luminous keys | |
| CN104576145B (en) | Lighting keyboard | |
| TWI489500B (en) | Illuminating keyboard | |
| TWI416565B (en) | Illuminating keyboard | |
| CN203054739U (en) | Luminous keyboard | |
| TWI636475B (en) | Luminous keyboard | |
| US20130121017A1 (en) | Illuminant keyboard device | |
| TWI451290B (en) | Illuminating keyboard | |
| CN103839720A (en) | Light-emitting keyboard | |
| CN104347299B (en) | Light emitting keyboard and light guide plate module thereof | |
| CN102842453B (en) | Key structure with scissors type connecting element | |
| TW201421511A (en) | Luminous keyboard | |
| TW201501161A (en) | Luminous keyboard device | |
| CN104183406B (en) | Lighting keyboard | |
| CN103137368A (en) | Light-emitting keyboard | |
| CN102800516B (en) | Luminous keyboard | |
| CN103839718A (en) | Light-emitting keyboard | |
| TWI571900B (en) | Luminous keyboard | |
| CN102969185A (en) | Illuminant keyboard with light guide pipes | |
| TWM541103U (en) | Luminous keyboard | |
| CN105761991A (en) | Light-emitting keyboard device | |
| CN104252988A (en) | Light emitting keyboard device | |
| CN102800517A (en) | Luminous keyboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121128 |