CN1918807A

CN1918807A - Button plate and personal portable device using a plastic sheet

Info

Publication number: CN1918807A
Application number: CNA2005800047558A
Authority: CN
Inventors: 朴哲
Original assignee: GNC Co Ltd
Current assignee: GNC Co Ltd
Priority date: 2004-02-12
Filing date: 2005-02-11
Publication date: 2007-02-21
Also published as: KR20050118079A

Abstract

There are provided a button plate which has a small thickness and can be simply assembled and a personal portable device employing the button plate. The personal portable device includes a main body including a key pad hole, a button plate installed at the main body in which the key pad hole is formed, and a keystroke sensor part including push sensors. The button plate includes the button pattern arranged in response to a button area, a high hardness button sheet formed of a high hardness material, and a plastic sheet formed on one side of the high hardness button sheet and connecting the button pattern to each other. Since the button plate is manufactured using a thin plastic sheet and a high hardness button sheet, the button plate is kept in a slim configuration and has a soft touch while pushing a key because of a button pattern of the high hardness button sheet solves the problem of hardness.

Description

Use the button panel and the personal portable device of plastic sheet

Technical field

The present invention relates to a kind of thump parts, and more specifically, relate to a kind of button panel and personal portable device, it is advantageously made easily and assembles and its thickness can reduce.

Background technology

The button of thump parts be pressed in case in such as the personal portable device of mobile phone input digit.According to the improvement of the technology that relates to mobile phone, the button of thump parts not only is used to import telephone number, also is used for input alphabet to send message or such as the function of the every other type of recreation.Not only mobile phone but also other devices and common personal portable device are all used this trend.

Fig. 1 is the decomposition diagram that the thump parts of traditional mobile phone 1 are shown.

With reference to figure 1, the thump parts of traditional mobile phone 1 comprise the key plate (key pad) 10 that forms button 12 thereon, form the adhesion tablet 20 of dome switch 22 and form the printed circuit board (PCB) (PCB) 30 of circular electrode 32 thereon thereon.

Key plate 10 is formed by rubber, siloxanes (silicone) or synthetic resin, and button 12 forms on the top surface of key plate 10, to form monomer by injection molding and key plate.Button is from the top surface projection of key plate, and the button of projection can expose by the hole 4 that is formed in the top shell 2 respectively.

The adhesion tablet 20 that comprises dome switch 22 provides under key plate 10.Dome switch 22 is formed by metal.When dome switch 22 was pressed by the level land, its contact electrode 32 was with near the electrode 32 being electrically connected, and when not being pressed, it separates to get back to reset condition with electrode 32.Dome switch 22 can form on adhesion tablet 30.Yet because dome switch 22 is formed by the material that is different from adhesion tablet 30 usually, dome switch 22 uses adhesive to adhere to adhesion tablet 30.

PCB 30 comprises electrode 32, and this arrangement of electrodes is below the button 12 and dome switch 22 of the position of button 12 and dome switch 22.Electrode 32 has concentrically ringed shape and is electrically connected by dome switch 22.

As mentioned above, key plate 10 be arranged in top shell 2 below, and button arrangement becomes the hole by top shell 2 to expose or projection.In order to form the thump parts, top shell 2 and key plate 10 are overlapping to be made the thump parts thick thus.

And hole 4 should form in top shell 2, and button should be arranged corresponding to corresponding hole 4.Thereby manufacturing process is complicated, and often produces defective product.

Fig. 2 is the viewgraph of cross-section of traditional thump parts.

With reference to figure 2, the button 12 of mobile phone forms on key plate 10, and supports at interval 16 and be formed on below the key plate 10 by lower process 14 with facing down.

Therefore, when the user presses the button 12, press dome switch 22, and dome switch 22 distortion is thus connected and is arranged near following electrode 32 by lower process 14.According to connection electrode 32, find out whether button 12 is pressed, and the signal that generates by electrode 32 can be delivered to internal circuit so that input digit or letter.Because the size of button is more a lot of greatly than the size of pressing

lower process

14,12 the power of pressing the button is assembled being delivered to by lower process 14, and can use little power easily to press dome switch 22.

Summary of the invention

The invention provides a kind of button panel and a kind of personal portable device that uses this button panel, wherein the thickness of thump parts is minimized, although and the thump parts approach, hardness is improved.

The present invention also provides a kind of button panel and personal portable device, and wherein not only the thickness of thump parts but also personal portable device all can reduce.

The present invention also provides a kind of button panel and personal portable device, and it can be made simply and assemble.

The present invention also provides a kind of button panel and personal portable device, and it can provide the product of excellent quality thus simply with different designs and color showing.

According to an aspect of the present invention, provide a kind of personal portable device, comprising: comprise the main body of key plate hole, the thump parts that are installed in the key plate hole and button panel that a plurality of buttons are provided and in button panel, are used for the Sensing pushbutton input.Button panel comprises that high rigidity button piece and plastic sheet are so that form little thickness.Although button panel uses plastic sheet and has little thickness, the high rigidity button panel comprises in response to the button area button pattern arranged and by high relatively hardness and characterizing, and solves the problem of plastic sheet hardness thus.

Because traditional thump parts comprise the key plate of elastomeric material, the button that forms from key plate projection and the shell that covers the mobile phone of key plate, stoped the mobile phone spindle thus.Yet because button panel of the present invention is formed by single wall, and the hardness of plastic sheet is by the high hardness material reinforcement as metal, so button panel can be fabricated to the littler thickness of thickness that has than the wall of shell.And, because the button panel of monomer can form the wall of shell and be used for thump, might reduce the number of assembly and significantly reduce the thickness of terminal.

And, because on plastic sheet, can represent different designs, so make simple.In addition, because button is planned at one time and designed, manufacturing cost can reduce.

The personal portable device of this specification is the electronic installation of portable electricity, such as PDA(Personal Digital Assistant), smart phones, Hand held PC, mobile phone or MP3 player.Personal portable device can comprise predetermined communication module, such as code division multiple access (CDMA) module, bluetooth module or Infrared Data Association (IrDA) module, and be equipped with predetermined microprocessor and duplicate multimedia messages, be used as the commonname notion of terminal thus with predetermined operation capability.And, depend on the level of application technology and, can use the various thump sensor elements except that the thump sensor element that constitutes dome switch and electrode in order to adapt to terminal.

Description of drawings

Fig. 1 is the decomposition diagram that the thump parts of traditional mobile phone are shown;

Fig. 2 is the viewgraph of cross-section of traditional thump parts;

Fig. 3 is the decomposition diagram that personal portable device according to an embodiment of the invention and button panel are shown;

Fig. 4 is the partial enlarged drawing that the associating between personal portable device and the button panel is shown;

Fig. 5 is the bottom view of button panel;

Fig. 6 is the viewgraph of cross-section of the button panel of Fig. 5;

Fig. 7 to 12 is partial enlarged drawings of button piece according to an embodiment of the invention;

Figure 13 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 14 to 18 is illustrated in the figure that forms the method for metal pattern on the plastic sheet;

Figure 19 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 20 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 21 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 22 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 23 is the bottom view of button panel according to an embodiment of the invention;

Figure 24 illustrates the button panel of Figure 23 and the end view of thump sensor element;

Figure 25 is the end view of button panel according to an embodiment of the invention;

Figure 26 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 27 is the top view of the button panel of Figure 26;

Figure 28 is the viewgraph of cross-section of button panel according to an embodiment of the invention;

Figure 29 and 30 is viewgraph of cross-section of button panel according to an embodiment of the invention; And

Figure 31 is the decomposition diagram of button panel according to an embodiment of the invention.

Embodiment

Hereinafter, referring now to the accompanying drawing that has wherein shown one exemplary embodiment of the present invention the present invention is described more fully.Can not be interpreted as the present invention and be confined to illustrated embodiment here.

Fig. 3 shows according to the personal portable device 200 of one embodiment of the invention and the decomposition diagram of button panel 100, and Fig. 4 shows the partial enlarged drawing of the associating between personal portable device 200 and the button panel 100.

With reference to figure 3 and 4, personal portable device 200 comprises main body 210, button panel 100 and thump sensor element 230.

Main body 210 can comprise shell, inside and outside assembly and circuit arrangement, and it comprises the general utility functions of terminal.For example, in the situation of mobile phone, main body 210 can comprise terminal shell, thump parts, display module, wireless transceiver module, battery, microphone, receiver.And, although the main body of Fig. 3 is bar shaped, the type that main body according to another embodiment of the present invention can be different, such as upset, folding, slide and swing forms.

Main body 210 comprises fore shell 212 and back cover 214.The fore-upper part of fore shell 212 is equipped with LCD (LCD) part, and is provided for being equipped with the key plate hole 216 of thump parts in the preceding lower part of fore shell 212.

Button panel 100 is installed in the inner surface of fore shell 212, and provides thump sensor element 230 at the rear side of button panel 100.Button panel 100 forms and is installed in the key plate hole 216 with the shape that is similar to key plate hole 216, provides the thump parts that form single wall with blocks key plate hole 216 thus.

Following mentioned, button panel 100 comprises: the plastic sheet 120 that comprises the button piece 110 of metal pattern 112 and form on button piece 110.Because button piece 100 and plastic sheet 120 are extremely thin, button panel 100 can form about thickness of 0.05 to 0.5mm.Because comprised the thin plate of metal pattern 112, can keep intensity in order to the sensitivity of the configuration of hold button plate 100 and button.

Button panel 100 is installed in key plate hole 216, thereby the thump parts side by side are installed.Therefore, the thump parts can remain thin, and assembling is easy, and manufacturing cost can significantly reduce.

And bullport 124 forms around button panel 100, and guide protrusion 217 forms in key plate hole 216 in response to bullport 124.Button panel 100 can be tightened into fore shell 212, can use guide protrusion 217 and bullport 124 so that at first button panel 100 is positioned in the key plate hole 216.Just, bullport 124 places on the guide protrusion 217 being engaged with each other, thereby prevents relatively moving between fore shell 212 and the button panel 100.

Thump sensor element 230 comprise by dome switch 232 and contact point electrode 234 constitute by lower sensor.Provide metal pattern 112 in response to the corresponding button of button panel 100, and the dome switch 232 of thump sensor element 230 and contact point electrode 234 are provided at after the metal pattern 112.Thereby when the user pressed the button the button of plate 110, the power of pressing was transferred to dome switch 232 by metal pattern 112, and dome switch 232 temporarily is out of shape to electrically contact contact point electrode 234.Input signal generates in response to connecting contact point electrode 234.Input signal corresponding to each button is specific, to be used for input digit or letter.

Fig. 5 is the bottom view of button panel 100.

With reference to figure 5, button panel 100 comprises: the button piece 110 and the plastic sheet 120 that is formed on the button piece 110 that comprise high robustness button pattern.

Button piece 110 is formed with monomer by metal, and button pattern 112 independent moving.Button pattern 112 is formed by the material that has higher robustness than plastic sheet 120, has the pottery or the synthetic resin of higher robustness such as the ratio plastic sheet 120 except that metal.In one embodiment of this invention, high robustness button pattern is formed by metal, and button piece 110 comprises metal pattern 112.

The button that metal pattern 112 is arranged in the thump parts is disposed in button area wherein.Metal pattern 112 can be according to the different shape of button-shape, such as square, avette or circular formation.In addition, a plurality of metal patterns 112 can form or be connected to another contiguous metal pattern 112 independently to form single button piece 110.

Metal pattern 112 can be formed by copper, copper alloy, stainless steel, aluminium, titanium, platinum or nickel.Metal pattern 112 forms about thickness of 0.05 to 1mm.Because metal pattern 112 has higher robustness than plastics, firm form is easy to keep and be not easy to bending, even metal pattern 112 is extremely thin.Thereby than the conventional arrangement of thump parts, not only the thickness of the thickness of button panel but also personal portable device also can reduce.

Plastic sheet 120 forms on button piece 110.Plastic sheet 120 by polypropylene (polypropylene) (PP), oriented polypropylene (OPP) (oriented polypropylene) (OPP), polyethylene terephthalate (polyethyleneterephthalate) (PET), ethylene vinyl acetate (ethylenevinylacetate) (EVA), polyethylene (polyethylene) (PE), polyvinyl chloride (polyvinyl chloride) (PVC), acrylonitrile-butadiene-styrene (ABS) (Acrylonitrile Butadiene Styrene) (ABS), Merlon (polycarbonate) (PC) and urethanes (urethane) form.Plastic sheet 120 forms the thickness of about 10 μ m to 1mm and forms by adhesion or lamination.

Because plastic sheet 120 adheres to metal pattern 112 to connect toward each other, metal pattern 112 can flexibly be supported.Thereby after the user pressed the button the part in district, metal pattern 112 and plastic sheet 120 were got back to the home position that is caused by the stability of dome switch 232 and plastic sheet 120.

Pressing lower process 132 forms below 112 at each metal pattern.Supporting 134 at interval forms around metal pattern 112.

The interval support 134 that limits the interval between plastic sheet 120 and the substrate that forms electrode it on can the whole bag of tricks formation.

For example, use the siloxanes China ink, be printed on the basal surface of plastic sheet 120 and metal pattern 112 by the position of lower process 132 as the rubber-like material.The siloxanes China ink that is printed hardens by heat so that keep form by lower process 132 projections.

Again for example, be expressed on the position by lower process 132 of basal surface of plastic sheet 120 and metal pattern 112 as the liquid silicon of rubber-like material.The liquid silicon that is extruded hardens by heat so that keep form by lower process 132 projections.

When except silicone China ink and liquid silicones, can be applied to position by the ultraviolet or hot material that hardens by lower process 132, can keep projection form by lower process 132.

The button pattern except button piece 110 and the shape of button piece can differently be controlled.

Fig. 7 to 12 is partial enlarged views of button piece according to an embodiment of the invention.

With reference to figure 7, button pattern 112a forms on button piece 110a with monomer.Among the button pattern 112a each limits by the breach 116a of the separation that the both sides at corresponding button pattern 112a form.Thereby button pattern 112a is formed with bridge shape by the breach 116a that separates.Because button pattern 112a is formed by metal, when the user pressed the button, button pattern 112a can part distortion in predetermined limit.In this case, wherein the distance that moves of button pattern 112a can change, with reach and operate such as dome switch by lower sensor.

With reference to figure 8, button pattern 112b forms with monomer on button piece 110b.Button pattern 112b limits by the breach 116b of the separation that the both sides at button pattern 112b form.Button pattern 112b is formed with bridge shape by the breach 116b that separates.Button pattern 112b adjacent one another are shares the breach 116b that is arranged in the separation between the button pattern 112b, and this button piece 110a with Fig. 7 is different.Certainly, because button pattern 112b is formed by metal, when the user pressed the button, button pattern can be in predetermined limit internal strain.Button pattern 112b plays the button pattern 112a identical functions with Fig. 7.

Although breach 116a that separates and 116b form at the button pattern 112a of Fig. 7 and 8 and the both sides of 112b, the breach of separation can form at the both sides or the top and bottom of button pattern, and the purpose that button pattern also can be dependent on the designer designs with different shape.

Breach 116c with reference to 9, four separation of figure forms in response to four edges of button pattern 112c, and button pattern 112c is with the shape formation of squarish.Face and button piece 110c corresponding to four summits of button pattern 112c monolithically form, and separate with button piece 110c corresponding to the face at four edges.Because button pattern 112c is formed by metal, when the user pressed the button, button pattern 112c can be in predetermined limit internal strain.In this case, the distance that button pattern 112a moves can be transmitted and be enough distances, with the lower sensor of pressing of operation such as dome switch.

With reference to Figure 10, the breach 116d of three separation forms in response to 3 edges of button pattern 112d, and button pattern 112d is with the shape formation of squarish.Because be inserted into the breach 116d of the separation between the button pattern 112d is alternately to form, and the breach of separation can be balanced.Monolithically form with button piece 110d corresponding to two summits of button pattern 112a and the part of a face.Because button pattern 112d is formed by metal, when the user pressed the button, button pattern 112d can be in predetermined limit internal strain.In this case, the distance that button pattern 112a moves can be transmitted and be enough distances, with the lower sensor of pressing of operation such as dome switch.

With reference to Figure 11, button pattern 112e forms with monomer on button piece 110e, and the breach 116e that separates forms around button pattern 112e.Button pattern 112e is limited and is formed side by side by the breach 116e that separates, and shares the breach 116e that separates as the shape with tooth.Thereby button pattern 112e is connected to the breach 116e of separation with the shape of cantilever.The side of button piece 110e and button pattern 112e is connected with the formation monomer, and the opposite side of button pattern 112e separates with button piece 110e.Because button pattern 112e is formed by metal, when the user pressed the button, button pattern 112e can be in the predetermined limits internal strain.

With reference to Figure 12, button pattern 112f forms with monomer on button piece 110f.The breach 116f that separates forms around button pattern 112f.The breach 116f that separates forms with " it " font around button pattern 112f, and button pattern 112f can be connected to button piece 110f by different directions.In this case, button pattern 112f is connected to the breach 116f of separation with the shape of cantilever.When the different towards each other direction of button pattern 112f was seen, when the part of button pattern moved, the moving of another adjacent part that is delivered to button pattern from the part of button pattern can minimize.

Figure 13 is the viewgraph of cross-section of button panel according to another embodiment of the present invention.

With reference to Figure 13, below plastic sheet 120 and metal pattern 112, provide to comprise the rubber blanket 130a that supports 134a by lower process 132a and interval.Rubber blanket 130a can be formed by rubber-like silicone rubber, urethane rubber or synthetic resin, and is extruded into the end of plastic sheet 120 and fixes by printing, adhesion or thermal pressure.Otherwise rubber blanket just in time is arranged in plastic sheet 120 and keeps the state that separates with plastic sheet 120 and contact with plastic sheet 120 simply.

The metal pattern 112 that forms with the shape and size of button is to the end that should adhere to plastic sheet 120 in button area.By by lower process 132a with support at interval 134a, metal pattern 112 can with separating with predetermined space such as dome switch by lower sensor.

Exist many methods so that metal pattern is adhered to plastic sheet.As simple method, a kind ofly be to use pressure that metal pattern is adhered to plastic sheet, and another kind is earlier metal sheet to be adhered to plastic sheet and etching metal sheet to form metal pattern corresponding to metal pattern.

Hereinafter, the method that the use etching adheres to metal pattern plastic sheet will be described now.

Figure 14 to 18 is illustrated in the figure that forms the method for metal pattern on the plastic sheet.

With reference to Figure 14, plastic sheet 120 and metal sheet 110a are provided.Plastic sheet 120 separates with metal sheet 110a.Yet plastic sheet 120 can use adhesive to adhere to metal sheet 110a, and can use laminated heat to adhere to metal sheet 110a.

Plastic sheet can use common adhesive to adhere to metal sheet.The plastic sheet of the laminated film that contacts with each other and metal sheet pass through under cylinder, thereby plastic sheet is adhered to metal sheet.The plastic sheet of laminated film can be formed by polyethylene.

With reference to Figure 15, adhere in the state of metal sheet 110a at plastic sheet 120, be removed except remainder to form metal pattern 112 corresponding to the metal sheet 110a the part of button area.

With reference to Figure 16,, on the surface of metal sheet 110a, form mask pattern M for forming metal pattern 112 corresponding to button area.Mask pattern M forms by the typography of use siloxanes or the exposure technology of selectivity flash of light preceding an earthquake exposure photoresist layer.(b)

Mask pattern M covers zone corresponding to metal pattern 112 so that protect this zone.The metal sheet 110a that etchant forms mask pattern M thereon goes up reaction, and metal sheet 110a is by partially-etched, thereby forms metal pattern 112 on plastic sheet 120.(c)

Mask pattern M can use removal of solvents, and has only metal pattern 112 to be retained on the plastic sheet 120.(d) according to environment, mask pattern M is not removed to be used as button.

With reference to Figure 17, the transmission hole 114 that forms with numerical switch can use above-mentioned method directly to form on metal pattern 112.Just, the mask pattern of digital or alphabetical shape can pass through to use the etch process of photoresist to form, and numeral or alphabetical on every side form of mask pattern on metal pattern 112 used in the hole.Digital or alphabetical part is etched to be formed with the shape with the hole on the metal pattern 112 that adheres to plastic sheet 120.

With reference to Figure 18, numeral or letter are instructed on the metal pattern 112 of button panel 100.Digital or alphabetical part can form by etching.The light of LED lamp is by the hole of numeral or letter shapes, so that distinguish the mark of indicating on button at night.

Figure 19 is the viewgraph of cross-section of button panel according to another embodiment of the present invention.

With reference to Figure 19, metal pattern 312 forms on the top of plastic sheet 320.The position of metal pattern 312 depends on the configuration of mobile phone, can be on plastic sheet 320 or at plastic sheet below 320.

Metal pattern 312 is positioned on the top of plastic sheet 320, and protective finish 316 can form on the button piece 310 that comprises metal pattern 312.Rubber blanket 330 comprises the jut 332 under the plastic sheet 320 and supports 334 at interval.

As shown in Figure 14, metal pattern 312 can adhere to plastic sheet 320 and need not protective finish 316.Metal pattern 312 is positioned on the top of plastic sheet 320, and rubber blanket 330 comprises the jut 332 under the plastic sheet 320 and supports 334 at interval.

Figure 21 is the viewgraph of cross-section of button panel 400 according to another embodiment of the present invention.

With reference to Figure 21, button panel 400 comprises: the button piece 410 and the plastic sheet 420 that comprise metal pattern 412.By lower process 432 with support 434 at interval and form below 420 at metal pattern 412 and plastic sheet, and separated from one another and do not connect by rubber blanket.The number of assembly can use described configuration to reduce to reduce thus total cost.

Metal pattern 412 forms on the basal surface of plastic sheet 420, and supports 434 by printing formation by lower process 432 and interval.The material of urethanes or epoxy is used for printing material so that the part of printing projection.

The height that comprises by lower process 432 and support 434 jut at interval can be controlled according to the mesh size of printing screen.For example, this height can increase according to the size of the mesh spaces of printing screen.

Figure 22 is the viewgraph of cross-section of button panel 500 according to another embodiment of the present invention.

With reference to Figure 22, button panel 500 comprises: be formed with the button piece 510, plastic sheet 520 of metal pattern 512 on it, by lower process 532 with support 534 at interval.And button part 518 can form on the top surface that is projected on the button area that wherein is formed with metal pattern 512.

Button part 518 can form by the printing of using urethanes or epoxy.Button part 518 forms jut on plastic sheet 520, so that the hold button district is high relatively.

Figure 23 is the bottom view of button panel 600 according to another embodiment of the present invention, and Figure 24 illustrates the button panel 600 of Figure 23 and the end view of thump sensor element.

With reference to Figure 23 and 24, button panel 600 comprises: comprise the button piece 610, plastic sheet 620 of metal pattern 612 and by lower process 632.A plurality ofly on the basal surface of metal pattern 612, form, and lower process 632 can a plurality ofly press and flexibly adjustment by forming in the position by lower process 632.Thereby manufacturing process can be kept traditionally.

As mentioned above, press projection arrangement below metal pattern, and accurately be adjusted into the summit of pressing dome switch.Yet, when being printed usually, pressing lower process and on button panel, in turn do not form by lower process.Pressing lower process regularly arranged at a plurality of button panels thereon is to print once on the sheet of matrix, and button panel is cut into button panel by thomson pressure (thomson-press).In this case, critically cut button panel and be not easy, and button panel may frequently occur and be cut into little being spaced apart.In this case, also can change and cut mistakenly by the position of lower process, and thump may successfully not carried out.

Yet, according to another embodiment of the present invention, a plurality ofly in button area, form, and dome switch 232 can use and a plurality ofly stably presses by lower process 632 by lower process 632.And because a plurality of lower process 632 of pressing forms, if predetermined deviation accurately generates, dome switch 232 can critically be pressed without barrier.

In order on the basal surface of metal pattern 612 and plastic sheet, to form a plurality of lower process 632 of pressing, on the basal surface of metal pattern 612, use the resin of ultra-violet curing to print by lower process, and ultraviolet ray is transmitted into the resin of the ultra-violet curing that is printed, and provides thus by lower process 632.Thereby when position deviation occurring between the dome switch 232 of button panel 600 and thump sensor element, because a plurality of lower process 632 of pressing, it is no problem pressing dome switch 232.

In addition, press that lower process 632 can directly form and need not metal pattern 612 on plastic sheet 620, and dome switch can use plastic sheet 620 and directly pressed by lower process 632.

When forming by typography by lower process, the silicone China ink of adhesion can be used as the material of formation by lower process.As the silicone rubber material of the material of pressing lower process with a shape printing so that be positioned below the button area before by thermmohardening by lower process, form thus with a shape from the end projection of button and rubber-like by lower process.

Otherwise at size of pressing lower process and position, liquid silicones is extruded on the position by lower process by aperture, and to harden into a shape be flexible by lower process from the end projection of button.

Figure 25 is the end view of button panel according to another embodiment of the present invention.

With reference to Figure 25, comprised a plurality ofly by lower process 632a, and high rigidity button pattern 612a forms on plastic sheet 620a.Use the China ink of ultra-violet curing to be formed on below the plastic sheet 620a by lower process 632a, and be not metal but have more than plastic sheet 620a that the button pattern 612a of high rigidity is formed on the plastic sheet 620a.Button pattern 612a can use the China ink of ultra-violet curing to form and provide by printing process.

Figure 26 is the viewgraph of cross-section of button panel 700 according to another embodiment of the present invention, and Figure 27 is the top view of the button panel 700 of Figure 26.

With reference to Figure 26 and 27, button panel 700 comprises: comprise the button piece 710 of metal pattern 712 and the plastic sheet 720 that metal pattern adheres to.Plastic sheet 720 is partly crooked forming unevenness, and this unevenness serves as by lower process 732, supports 734 to press dome switch and to be used to support interval at interval.Some part of plastic sheet 720 is pressed lower process 732 to lower process to form, and other parts of plastic sheet 720 support 734 to lower process to form at interval around metal pattern 712.

Plastic sheet 720 can be wrinkling to form by lower process 732 and to support 734 and need not urethanes or silicone printing at interval by compressing or thermal process.

Usually, because the height of dome switch is about 0.2 to 0.4mm, when button was pressed, the distance that supports 734 horizontal broadening at interval was about 0.2 to 0.4mm.Although, supporting 734 at interval greater than 1mm, distance can enough loosen ground repeated deformation or recovery.

Support at interval and can differently change by the shape of lower process.For example, recessed or convex is possible, and curve is possible perpendicular to the formation of flat, plastic sheet with extended configuration.

Figure 28 is the viewgraph of cross-section of button panel according to another embodiment of the present invention.

With reference to Figure 28, support at interval 734a and 734b and can form differently, such as with vertical or crooked shape by the shape of lower process 732.Especially, supporting 734a and 734b at interval can form with recessed and protruding or recessed or protruding sequence alternate arrangement.In this case, support at interval 734a and 734b and not only support interval between plastic sheet 720a and the dome switch, and make plastic sheet 720a bending so that pressing of button area loosened.

Figure 29 and 30 is viewgraph of cross-section of button panel according to an embodiment of the invention.

With reference to Figure 29, button panel 700b comprises: comprise the button piece 710b of metal pattern 712b and the plastic sheet 720b that metal pattern 712b adheres to.Plastic sheet 720b is partly crooked forming unevenness, and uneven serving as by lower process 732b supported 734b to press dome switch and to be used to support interval at interval.Some part of plastic sheet 720b is pressed lower process 732b to lower process to form, and other parts of plastic sheet 720b support 734b to lower process to form at interval around metal pattern 712b.

Plastic sheet 720b can be wrinkling to form the printing that need not use urethanes or siloxanes by lower process 732b with supporting 734b at interval by compressing or thermal process.

And with reference to Figure 30, some part of plastic sheet 720c is pressed lower process 732c to lower process to form, and other parts of plastic sheet 720c support 734c to lower process with the interval that formation has tangent bend successively around metal pattern 712c.

Figure 31 is the decomposition diagram of button panel 800 according to another embodiment of the invention.

With reference to Figure 31, button panel 800 comprises plastic sheet 820, absorption rubber layer 840, light emission sheet 850, button piece 810 and rubber blanket 830.

Button piece 810 comprises the lamellar body that uses metal sheet to form, and the breach 816 that separates forms so that button pattern 812 is moved up and down in lamellar body.Absorbing rubber layer 840 is inserted between button piece 810 and the plastic sheet 820.Because the elasticity of rubber, when the button part of the plastic sheet 820 that has wherein printed numeral and letter was pressed, absorbing rubber layer 840 provided soft contact.

Provide the plastic sheet 820 in print button district thereon according to predetermined design.Liquid rubber is injected into the mould that has wherein deposited plastic sheet 820, absorbs rubber layer 840 to come molded rubber body (rubber bulk) according to the mould before hardening naturally or with using heat or ultraviolet, to form thus.

Light emission sheet 850 is inserted into and absorbs between rubber layer 840 and the button piece 810.Used the button piece of plastic sheet 820 and metal, made electricity consumption insert light emission sheet 850 thus.Light emission sheet 850 can be formed by inorganic EL sheet or organic EL sheet.Especially, inorganic EL sheet is used as the backlight of traditional monochromatic LCD and can launches the light of different colours.Metallic plate has been equipped light emission sheet 850, forms numeral or alphabetical light emission key thus.

In the present invention, although be inserted between button piece 810 and the plastic sheet 820 as the light emission sheet 850 of luminescent layer, otherwise luminescent layer directly forms on button piece 810.In this case, luminous component can adhere to corresponding to button ground, or uses as be used to make the formation luminescent layer of semiconductor device and the method for luminous pattern directly forms.

Industrial Applicability A

Because button panel is made of thin high rigidity button pattern and plastic sheet, so that form about thickness of 0.05 to 1mm.Thereby button panel minimizes the thickness of the thump parts of personal portable device, and prevents along with thickness becomes thinner and makes hardness become more fragile.

And not only the thickness of the thickness of thump parts but also personal portable device can significantly reduce.

And, can make button piece and plastic sheet at one time by mutual adhesion process, and button panel is fixed to directly in the key plate hole, directly make the thump parts thus.

And because plastic sheet can represent that the comparable traditional thump parts of plastic sheet have how different button-shape by different designs and the color of using the traditional printing method, wherein button-shape is distinguished molded and can low-down cost manufacturing.

Though the present invention has carried out showing especially and describing with reference to its one exemplary embodiment, should be appreciated that, those skilled in the art can make various changes in form and details, and do not deviate from the spirit and scope of the present invention that are defined by the following claims.

Claims

1. personal portable device comprises:

The body that comprises the key plate hole;

Be installed in the button panel of the body that wherein forms described key plate hole, described button panel comprises: the high rigidity button piece that forms by high hardness material and have button pattern, and each in the described button pattern arranged in response to the button area that is used for thump; And form adjacent to a side of described high rigidity button piece and with described button pattern plastic sheet connected to one another; And

Be arranged in described button panel following and comprise in response in the described button pattern each motion and generate the thump sensor element by lower sensor of input signal.

2. according to the described personal portable device of claim 1, wherein said body comprises the fore shell that is used to install described button panel and described thump sensor element and in response to the back cover of described fore shell, and described key plate hole forms in described fore shell according to the external shape of described button panel.

3. according to the described personal portable device of claim 1, wherein:

The location guide projection forms adjacent to the profile of described key plate hole on the inner surface of described fore shell, and

The location guide hole forms in response to described location guide projection in described button panel.

4. according to the described personal portable device of claim 1, the described button pattern of wherein said high rigidity button piece is used metal and is had a kind of formation in the material of high rigidity more than described plastic sheet.

5. according to the described personal portable device of claim 1, wherein the breach of at least one separation each in the button pattern at described high rigidity button piece place forms on every side.

6. according to the described personal portable device of claim 5, the breach of wherein said separation forms on two surfaces that face with each other around the described button pattern.

7. according to the described personal portable device of claim 5, wherein because the formation on every side of breach each in described button pattern of described separation, the part of each in the described button pattern physically is connected with described high rigidity button piece, and other parts of each in the described button pattern are separated by predetermined space, are cantilever shape thus.

8. according to the described personal portable device of claim 1, further comprise:

Provide below the described high rigidity button piece and in response to the button pattern below the described high rigidity button piece form by lower process; And

Described by form around the lower process and keep described by lower process and described interval support by the interval between the lower sensor.

9. according to the described personal portable device of claim 1, further comprise rubber blanket, it comprises: provide below the described high rigidity button piece and form in response to the button pattern below the described high rigidity button piece by lower process and described by form around the lower process to keep described by lower process and described interval support by the interval between the lower sensor.

10. according to the described personal portable device of claim 9, wherein said plastic sheet and described rubber blanket adhere to described high rigidity button piece to form with monomer.

11. according to the described personal portable device of claim 1, wherein

By lower process in response in the described button pattern each by forming the part of described plastic sheet is outstanding downwards, and

Support at interval by with in the described button pattern each around another part bending of plastic sheet form with uneven shape, described interval is supported and is kept described lower process and the described interval of pressing between the lower sensor of pressing.

12., wherein form the unevenness that described interval supports and form a projection in Xiang Ding, the end and the top and bottom according to the described personal portable device of claim 11.

13. according to Claim 8 to 12 each described personal portable devices, wherein a plurality of describedly form in response to described button pattern by lower process.

14., form on wherein said button pattern in the basal surface of described plastic sheet and top surface according to the described personal portable device of claim 1.

15. according to the described personal portable device of claim 14, wherein protective finish forms on the described button pattern that is positioned on the top surface of described plastic sheet.

16. according to the described personal portable device of claim 1, wherein light-emitting layer is inserted between described plastic sheet and the described high rigidity button piece.

17. according to the described personal portable device of claim 16, wherein said light-emitting layer comprises light emission sheet, and described light emission sheet is inserted between described plastic sheet and the described high rigidity button piece.

18. according to the described personal portable device of claim 16, described light-emitting layer forms on described high rigidity button piece.

19. one kind with monomer in that form and the key plate hole that be installed in personal portable device so that the button panel of thump parts to be provided, described button panel comprises:

In response to the button area button pattern arranged that is used for thump;

The high rigidity button piece that forms by high hardness material; And

That on a side of described high rigidity button piece, form and with described button pattern plastic sheet connected to one another.

20. according to the described button panel of claim 19, wherein the location guide hole forms around the profile of described plastic sheet.

21. according to the described button panel of claim 19, the described button pattern of wherein said high rigidity button piece is by metal and have a kind of formation in the material of high rigidity more than described plastic sheet.

22. according to the described button panel of claim 19, wherein the breach that separates of at least one or a plurality of breach forms around the button pattern at described high rigidity button piece place.

23. according to the described button panel of claim 22, the breach of wherein said separation forms on the both sides that face with each other around the described button pattern.

24. described button panel according to claim 22, wherein because the breach of described separation forms around described button pattern, one side of described high rigidity button piece and described button pattern forms with monomer, and other sides of described button pattern form with the cantilever shape that the breach by described separation separates.

25. the described button panel according to claim 19 further comprises:

26. described button panel according to claim 19, further comprise rubber blanket, it comprises: provide below the described high rigidity button piece and form in response to the button pattern below the described high rigidity button piece by lower process and described by form around the lower process and keep described by lower process and described interval support by the interval between the lower sensor.

27. according to the described button panel of claim 26, wherein said plastic sheet and described rubber blanket form with the monomer that adheres to described high rigidity button piece.

28. the described button panel according to claim 19 further comprises:

That under described high rigidity button piece, provide and in response in the described button pattern each by with some part of described plastic sheet outstanding downwards form by lower process; And

By the interval support that some the part bending with described plastic sheet forms to form unevenness, described interval is supported and is kept described lower process and the described interval of pressing between the lower sensor of pressing.

29., wherein form the unevenness that described interval supports and form a projection in Xiang Ding, the end and the top and bottom according to the described button panel of claim 28.

30. according to each described button panel of claim 25 to 29, wherein a plurality of describedly form in response to described button pattern by lower process.

31., form on wherein said button pattern in the basal surface of described plastic sheet and top surface according to the described button panel of claim 19.

32. according to the described button panel of claim 31, wherein protective finish forms on the described button pattern that is formed on the top surface of described plastic sheet.

33. according to the described button panel of claim 19, wherein light-emitting layer is inserted between described plastic sheet and the described high rigidity button piece.

34. according to the described button panel of claim 33, wherein said light-emitting layer comprises light emission sheet, and described light emission sheet is inserted between described plastic sheet and the described high rigidity button piece.

35. according to the described button panel of claim 33, wherein said light-emitting layer forms on described high rigidity button piece.