CN102306581B - Mobile phone key and manufacturing method thereof - Google Patents
Mobile phone key and manufacturing method thereof Download PDFInfo
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- CN102306581B CN102306581B CN 201110202177 CN201110202177A CN102306581B CN 102306581 B CN102306581 B CN 102306581B CN 201110202177 CN201110202177 CN 201110202177 CN 201110202177 A CN201110202177 A CN 201110202177A CN 102306581 B CN102306581 B CN 102306581B
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Abstract
The invention discloses a mobile phone key and a manufacturing method thereof. The mobile phone key comprises a key conductive base and a key cap, wherein the conductive base can be arranged on a PET (polyethylene terephthalate) sheet via UV (ultraviolet) transfer print; the key cap can be arranged on a TPU (thermoplastic urethane) film via UV transfer print; the TPU film is arranged on the PET sheet; corresponding trim lines which are used to divide the key region sizes are respectively arranged on the PET sheet and the conductive base so that the manufactured key has the elasticity. As adopting the technical means, namely, the key conductive base can be arranged on the PET sheet via the UV transfer print and is trimmed so that the manufactured key has the elasticity; meanwhile, the thinner PET sheet can be utilized to replace the thicker elastic arm in the existing mobile phone key, thus the overall height of the mobile phone key can be greatly decreased and the development tendency of ultrathin mobile phones nowadays can be satisfied. Therefore, the key provided by the invention is very suitable for being used on the flip phone and /or slide phone with limited space.
Description
Technical field
The present invention relates to the field of mobile phones with keyboard, in particular, what improvement related to is a kind of mobile phone key and preparation method thereof.
Background technology
Existing mobile phone key generally includes keycap and conductive base; What keycap generally adopted is ebonite, silica gel or UV transfer printing keycap; Conductive base is general, and what adopt is flexible glue, comprises at least elastic arm part that 0.3mm is thick and the conductive substrate part after 0.3mm, makes more than the whole height of conductive base reaches 0.6mm.
But along with the development trend of present mobile phone toward ultra-thin direction, the structure of existing mobile phone key more and more is difficult to realize on the clamshell phone of limited space and/or slide phone.
Therefore, prior art still haves much room for improvement and develops.
Summary of the invention
The object of the invention is to, a kind of mobile phone key and preparation method thereof is provided, can reduce the whole height of mobile phone key, satisfy the nowadays development trend of ultra thin handset.
Technical scheme of the present invention is as follows: a kind of method of making mobile phone key wherein, comprises the following steps: the conductive base of button is set on the PET sheet material by the UV transfer printing; The keycap of button is set on the TPU film by the UV transfer printing; Size according to the key area cuts conductive base and PET sheet material, so that the button of making has elasticity, guarantees local connection the between arbitrary neighborhood two key areas when conductive base and PET sheet material are cut; To be arranged on the PET sheet material with the TPU film of keycap.
The method of described making mobile phone key, wherein: will be bonded on the PET sheet material with double faced adhesive tape with the TPU film of keycap.
A kind of mobile phone key comprises conductive base and the keycap of button; Wherein: conductive base is arranged on the PET sheet material via the UV transfer printing, and keycap is arranged on the TPU film via the UV transfer printing, and the TPU film is arranged on the PET sheet material; Correspondence is provided with the cutting line of dividing the key area size respectively on PET sheet material and conductive base, so that the button of making has elasticity, described cutting line comprises interconnective longitudinally cutting line and horizontal cutting line, laterally cutting line is separately positioned on the top margin of base and the row key area, the end of row key area, top, and the longitudinally cutting line between row key area, centre disconnects and arranging.
Described mobile phone key, wherein: between TPU film and PET sheet material, double faced adhesive tape is set.
Described mobile phone key, wherein: at the periphery of conductive base, PET sheet material and the TPU film corresponding fixedly fixing hole of key board that is provided for respectively.
Described mobile phone key, wherein: between arbitrary neighborhood two keycaps on the TPU film, the space arranges.
Described mobile phone key, wherein: the thick 0.05-0.1mm of PET sheet material.
Described mobile phone key, wherein: the thick 0.05-0.1mm of TPU film.
A kind of mobile phone key provided by the present invention and preparation method thereof, owing to having adopted the conductive base UV with button be transferred on the PET sheet material and cut so that the button of having done has flexible technological means, utilize thinner PET sheet material to replace the elastic arm part that in existing mobile phone key, thickness is thicker, thereby greatly reduce the whole height of mobile phone key, satisfied the nowadays development trend of ultra thin handset, be highly suitable on the clamshell phone of limited space and/or slide phone and use.
Description of drawings
Fig. 1 is the exploded view of mobile phone press-key construction of the present invention.
Embodiment
Below with reference to accompanying drawing, the specific embodiment of the present invention and embodiment are described in detail, described specific embodiment only in order to explain the present invention, is not for limiting the specific embodiment of the present invention.
The manufacture method of a kind of mobile phone key of the present invention, one of its embodiment, comprise the following steps: first the conductive base of button partly is fixed on a PET (polyester terephthalate, PETG) sheet material by the technique of UV (ultraviolet light polymerization) transfer printing; Simultaneously the keycap of button also is fixed on a TPU film by the UV transfer printing process; Size according to the key area cuts conductive base and PET sheet material again, so that the button of making has elasticity; Then will be arranged on the PET sheet material with TPU (Thermoplastic polyurethanes, the thermoplastic polyurethane) film of keycap again.
Based on the manufacture method of above-mentioned mobile phone key, the invention allows for a kind of mobile phone key, one of its embodiment as shown in Figure 1, comprises conductive base 110 and the keycap 150 of button; A plurality of keycaps 150 rearrange the keyboard of mobile phone; Conductive base 110 has the shape of adaptive keyboard; Conductive base 110 is fixed on a PET sheet material 120 via the UV transfer printing; Keycap 150 is fixed on a TPU film 140 via the UV transfer printing; PET sheet material 120 and TPU film 140 also have the shape of adaptive keyboard; TPU film 140 is arranged on PET sheet material 120; Wherein, the corresponding cutting line 111,112 and 121,122 of dividing the key area size that is provided with respectively also on PET sheet material 120 and conductive base 110 is so that the button of making has elasticity.
In the preferred implementation of mobile phone key of the present invention and preparation method thereof, when being cut, conductive base 110 and PET sheet material 120 guarantee local connection the between arbitrary neighborhood two key areas.Concrete, as shown in Figure 1, described cutting line 111,112 and 121,122 comprises interconnective longitudinally cutting line 111,121 and horizontal cutting line 121,122; Laterally cutting line 121,122 is separately positioned on the top margin of base and the row key area, the end of row key area, top; Longitudinally cutting line 111,121 between middle row key area disconnects and arranging.The cutting line 111,112 and 121,122 that arranges thus can guarantee that the button of making has certain elasticity.
Further, will be bonded on PET sheet material 120 with the TPU film 140 use double faced adhesive tapes 130 of keycap 150.Namely between TPU film 140 and PET sheet material 120, double faced adhesive tape 130 is set.Double faced adhesive tape 130 also has the shape of adaptive keyboard, in specific implementation process, can be at this moment realizes unified or consistent keyboard profile by Dies ' Blanking or the method that cuts; And, determining in the lump at the periphery of conductive base 110, PET sheet material 120, TPU film 140 and double faced adhesive tape 130 for the fixing fixing hole 113,123 and 133 of key board, as shown in Figure 1 at stamping-out or when cutting.
Concrete, when being transferred to the keycap 150UV of button on TPU film 140, between arbitrary neighborhood two keycaps 150 on TPU film 140, the space arranges, fully to satisfy the needs of key activities.
Preferably, the thickness of PET sheet material 120 can be selected between 0.05-0.1mm; And/or the thickness of TPU film 140 can be selected between 0.05-0.1mm.Thickness with PET sheet material 120 and TPU film 140 is 0.05mm calculating, compares existing mobile phone key, can be the thickness space of the whole height joint 0.25mm of mobile phone key.
in specific implementation process, so-called UV transfer printing, claim again UV instillation process or UV coating technique, it utilizes the not sticking characteristic of UV transfer printing glue and metal, all kinds of ultra-thin key effects are transferred to PET by the UV transfer printing process, PC (Polycarbonate, Merlon) or PMMA (PolymethylMethacrylate, polymethyl methacrylate, be commonly called as acrylic or polymethyl methacrylate) on sheet material, comprise the CD line thereby make, drawing pattern, sun line, criticize decorative pattern, woven pattern, the sandblast line, dermatoglyph, the 3D face, fantasy coloured effect, the bulge effect, the opal effect, mute, bright, the ultra-thin key of highlighted effect texts and key type such as numerical key, red green phone, the mobile phone ultra-thin key of blind spot texts, navigation key and product marking.Product is widely used in 3C industry handset viewing window, mobile phone key, mobile phone LOGO, cosmetic sheet etc., makes product have more colourful 2D, 3D outward appearance textured pattern effect, and no longer is confined to the 2D effects such as traditional printing, spraying.
Preferably, the UV glue that adopts during the UV transfer printing, its viscosity or rotary viscosity are 1000-2000mPa.s under 25 ℃, and solidifying institute's energy requirement is every square centimeter of 1200-1500mj, and initial solidification speed is 1 second.Conductive base 110 with or keycap 150 placed approximately 5 minutes in room temperature after contacting with UV glue.In addition, the temperature in photo solidification machine should not surpass 50 ℃, can help heat absorption at glass plate of PET sheet material 120 underlay or metallic plate in case of necessity, in order to avoid 120 temperature distortions of PET sheet material.
Compare with mobile phone key of the prior art and preparation method thereof, a kind of mobile phone key provided by the present invention and preparation method thereof, owing to having adopted the conductive base UV with button be transferred on the PET sheet material and cut so that the button of having done has flexible technological means, utilize thinner PET sheet material to replace the elastic arm part that in existing mobile phone key, thickness is thicker, thereby greatly reduce the whole height of mobile phone key, satisfied the nowadays development trend of ultra thin handset, be highly suitable on the clamshell phone of limited space and/or slide phone and use.
Should be understood that, the above is only preferred embodiment of the present invention, be not sufficient to limit technical scheme of the present invention, for those of ordinary skills, within the spirit and principles in the present invention, can be increased and decreased according to the above description, replacement, conversion or improvement, for example, can also be equal to PC or PMMA sheet material and replace PET sheet material etc.; And all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of claims of the present invention.
Claims (8)
1. a method of making mobile phone key, is characterized in that, comprises the following steps:
The conductive base of button is set on the PET sheet material by the UV transfer printing; The keycap of button is set on the TPU film by the UV transfer printing;
Size according to the key area cuts conductive base and PET sheet material, so that the button of making has elasticity, guarantees local connection the between arbitrary neighborhood two key areas when conductive base and PET sheet material are cut;
To be arranged on the PET sheet material with the TPU film of keycap.
2. the method for making mobile phone key according to claim 1, is characterized in that: will be bonded on the PET sheet material with double faced adhesive tape with the TPU film of keycap.
3. mobile phone key comprises conductive base and the keycap of button; It is characterized in that: conductive base is arranged on the PET sheet material via the UV transfer printing, and keycap is arranged on the TPU film via the UV transfer printing, and the TPU film is arranged on the PET sheet material; Correspondence is provided with the cutting line of dividing the key area size respectively on PET sheet material and conductive base, so that the button of making has elasticity, described cutting line comprises interconnective longitudinally cutting line and horizontal cutting line, laterally cutting line is separately positioned on the top margin of base and the row key area, the end of row key area, top, and the longitudinally cutting line between row key area, centre disconnects and arranging.
4. mobile phone key according to claim 3, is characterized in that: between TPU film and PET sheet material, double faced adhesive tape is set.
5. mobile phone key according to claim 3 is characterized in that: at the periphery of conductive base, PET sheet material and the TPU film corresponding fixedly fixing hole of key board that is provided for respectively.
6. mobile phone key according to claim 3, is characterized in that: space setting between arbitrary neighborhood two keycaps on the TPU film.
7. mobile phone key according to claim 3, is characterized in that: the thick 0.05-0.1mm of PET sheet material.
8. mobile phone key according to claim 3, is characterized in that: the thick 0.05-0.1mm of TPU film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110202177 CN102306581B (en) | 2011-07-19 | 2011-07-19 | Mobile phone key and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110202177 CN102306581B (en) | 2011-07-19 | 2011-07-19 | Mobile phone key and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102306581A CN102306581A (en) | 2012-01-04 |
| CN102306581B true CN102306581B (en) | 2013-11-06 |
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| CN 201110202177 Active CN102306581B (en) | 2011-07-19 | 2011-07-19 | Mobile phone key and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112197Y (en) * | 2007-09-28 | 2008-09-10 | 深圳华为通信技术有限公司 | Mobile phone press keys |
| CN201490067U (en) * | 2009-07-22 | 2010-05-26 | 深圳市声奥科技有限公司 | Mobile phone key |
| CN201750464U (en) * | 2010-07-14 | 2011-02-16 | 兴科电子(东莞)有限公司 | Mobile phone plastic button panel |
| CN201749804U (en) * | 2010-07-13 | 2011-02-16 | 兴科电子(东莞)有限公司 | Ultra-thin conductive base substrate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080107120A (en) * | 2007-06-05 | 2008-12-10 | 류승원 | Preparation method for keypad of cellular phone |
| KR20100081185A (en) * | 2009-01-05 | 2010-07-14 | 삼성전자주식회사 | Key pad assembly and manufacturing method thereof |
-
2011
- 2011-07-19 CN CN 201110202177 patent/CN102306581B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112197Y (en) * | 2007-09-28 | 2008-09-10 | 深圳华为通信技术有限公司 | Mobile phone press keys |
| CN201490067U (en) * | 2009-07-22 | 2010-05-26 | 深圳市声奥科技有限公司 | Mobile phone key |
| CN201749804U (en) * | 2010-07-13 | 2011-02-16 | 兴科电子(东莞)有限公司 | Ultra-thin conductive base substrate |
| CN201750464U (en) * | 2010-07-14 | 2011-02-16 | 兴科电子(东莞)有限公司 | Mobile phone plastic button panel |
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| Publication number | Publication date |
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| CN102306581A (en) | 2012-01-04 |
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