CN102306581A - Mobile phone key and manufacturing method thereof - Google Patents
Mobile phone key and manufacturing method thereof Download PDFInfo
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- CN102306581A CN102306581A CN201110202177A CN201110202177A CN102306581A CN 102306581 A CN102306581 A CN 102306581A CN 201110202177 A CN201110202177 A CN 201110202177A CN 201110202177 A CN201110202177 A CN 201110202177A CN 102306581 A CN102306581 A CN 102306581A
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- mobile phone
- key
- pet sheet
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- tpu film
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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 conduction base; What keycap generally adopted is ebonite, silica gel or UV transfer printing keycap; Conduction base is general, and what adopt is flexible glue, comprises the conductive substrate part behind the thick elastic arm part of 0.3mm and the 0.3mm at least, makes the basic whole height of conduction reach more than the 0.6mm.
But, along with present mobile phone toward the development trend of ultra-thin direction, the structure of existing mobile phone key more and more is difficult on limited clamshell phone in space and/or slide phone, realize.
Therefore, prior art still haves much room for improvement and develops.
Summary of the invention
The objective 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 development trend of ultra thin handset nowadays.
Technical scheme of the present invention is following: a kind of method of making mobile phone key wherein, may further comprise the steps: the conduction base of button is set on the PET sheet material through the UV transfer printing; The keycap of button is set on the TPU film through the UV transfer printing; Cut conducting electricity base and PET sheet material according to the size of key area, so that the button of being made has elasticity; The TPU film that will have keycap is arranged on the PET sheet material.
The method of described making mobile phone key, wherein: guaranteeing local connection the between adjacent two key areas arbitrarily when base and PET sheet material cut to conducting electricity.
The method of described making mobile phone key, wherein: the TPU film that will have keycap is bonded on the PET sheet material with double faced adhesive tape.
A kind of mobile phone key comprises the conduction base and the keycap of button; Wherein: the conduction base is arranged on the PET sheet material via the UV transfer printing; Keycap is arranged on the TPU film via the UV transfer printing; The TPU film is arranged on the PET sheet material; The corresponding respectively cutting line of dividing the key area size that is provided with on PET sheet material and conduction base is so that the button of being made has elasticity.
Described mobile phone key, wherein: said cutting line comprises interconnective longitudinally cutting line and horizontal cutting line; Laterally cutting line is separately positioned on the top margin of the base and the row key area, the end of row key area, top; Longitudinally cutting line between the middle row key area breaks off and being provided with.
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 corresponding respectively fixedly fixing hole of key board that is provided for of periphery of conduction base, PET sheet material and TPU film.
Described mobile phone key, wherein: the space is provided with between any adjacent two keycaps on the TPU film.
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 adopted conduction base UV with button to be transferred on the PET sheet material and cut so that the button rubber-like technological means of having done; Utilize thin PET sheet material to replace the elastic arm part that thickness is thicker in the existing mobile phone key; Thereby greatly reduce the whole height of mobile phone key; Satisfied the development trend of ultra thin handset nowadays, be highly suitable on limited clamshell phone in 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 will combine accompanying drawing, specific embodiments of the invention and embodiment describe in detail, and described specific embodiment in order to explain the present invention, is not to be used to limit the specific embodiment of the present invention only.
The manufacture method of a kind of mobile phone key of the present invention; One of its embodiment; May further comprise the steps: divide the conductive base of button technology to be fixed on a PET (polyester terephthalate, the PETG) sheet material earlier through UV (ultraviolet light polymerization) transfer printing; Simultaneously the keycap of button also is fixed on the TPU film through the UV transfer printing process; Cut conducting electricity base and PET sheet material according to the size of key area again, so that the button of being made has elasticity; TPU (Thermoplastic polyurethanes, the thermoplastic polyurethane) film that then will have keycap again is arranged on the PET sheet material.
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 the conduction base 110 and keycap 150 of button; A plurality of keycaps 150 rearrange the keyboard of mobile phone; Conduction base 110 shapes with adaptive keyboard; Conduction base 110 is fixed on the PET sheet material 120 via the UV transfer printing; Keycap 150 is fixed on the TPU film 140 via the UV transfer printing; PET sheet material 120 also has the shape of adaptive keyboard with TPU film 140; TPU film 140 is arranged on the PET sheet material 120; Wherein, also corresponding respectively being provided with divided the big or small cutting line 111,112 and 121,122 in key area on PET sheet material 120 and conduction base 110, so that the button of being made has elasticity.
In the preferred implementation of mobile phone key of the present invention and preparation method thereof, when cutting, base 110 and PET sheet material 120 guaranteeing local connection the between adjacent two key areas arbitrarily to conducting electricity.Concrete, as shown in Figure 1, said 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 the base and the row key area, the end of row key area, top; Longitudinally cutting line 111,121 between the middle row key area breaks off and being provided with.The cutting line 111,112 and 121,122 of She Zhiing can guarantee that the button of being made has certain elasticity thus.
Further, the TPU film 140 usefulness double faced adhesive tapes 130 that will have a keycap 150 are bonded on the PET sheet material 120.Promptly 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 the practical implementation process, can be at this moment realizes unified or consistent keyboard profile through mould stamping-out or the method that cuts; And, determining the fixing hole 113,123 and 133 that is used for fixing key board at stamping-out or when cutting in the lump at the periphery of conduction base 110, PET sheet material 120, TPU film 140 and double faced adhesive tape 130, as shown in Figure 1.
Concrete, the keycap 150UV of button is being transferred to 140 last times of TPU film, space setting between any adjacent two keycaps 150 on the TPU film 140 is fully to satisfy the needs of button activity.
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 the practical implementation process; So-called UV transfer printing; Claim UV instillation process or UV coating technology again; It utilizes the not sticking characteristic of UV transfer printing glue and metal; All kinds of ultra-thin key effects are transferred to PET through the UV transfer printing process; PC (Polycarbonate; Merlon) or PMMA (PolymethylMethacrylate; Polymethyl methacrylate; Be commonly called as acrylic or polymethyl methacrylate) on the sheet material, comprise the CD line thereby make; Drawing pattern; Sun line; Criticize decorative pattern; Woven pattern; The sandblast line; Dermatoglyph; The 3D face; The illusion-colour effect; The bulge effect; The opal effect; Mute face; Bright; Ultra-thin key and the key type such as the numerical key of high bright effect such as effect; Red green phone; The mobile phone ultra-thin key of effects such as blind spot; 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 2D effects such as traditional printing, spraying.
Preferably, the UV glue that is adopted during the UV transfer printing, its viscosity or rotary viscosity are 1000-2000 mPa.s down at 25 ℃, and solidifying institute's energy requirement is every square centimeter of 1200-1500 mj, and initial solidification speed is 1 second.Conduction base 110 with or keycap 150 contact with UV glue and then placed about 5 minutes in room temperature.In addition, the temperature in the photo solidification machine should not surpass 50 ℃, can help heat absorption at glass plate of PET sheet material 120 underlays 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 adopted conduction base UV with button to be transferred on the PET sheet material and cut so that the button rubber-like technological means of having done; Utilize thin PET sheet material to replace the elastic arm part that thickness is thicker in the existing mobile phone key; Thereby greatly reduce the whole height of mobile phone key; Satisfied the development trend of ultra thin handset nowadays, be highly suitable on limited clamshell phone in space and/or slide phone and use.
Should be understood that; The above only is preferred embodiment of the present invention; Be not sufficient to limit technical scheme of the present invention; Concerning those of ordinary skills; Within spirit of the present invention and principle; Can increase and decrease according to the above description, replacement, conversion or improvement, for example, can also be equal to replacement PET sheet material etc. with PC or PMMA sheet material; And all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of accompanying claims of the present invention.
Claims (10)
1. a method of making mobile phone key is characterized in that, may further comprise the steps:
The conduction base of button is set on the PET sheet material through the UV transfer printing; The keycap of button is set on the TPU film through the UV transfer printing;
Cut conducting electricity base and PET sheet material according to the size of key area, so that the button of being made has elasticity;
The TPU film that will have keycap is arranged on the PET sheet material.
2. the method for making mobile phone key according to claim 1 is characterized in that: guaranteeing local connection the between adjacent two key areas arbitrarily when base and PET sheet material cut to conducting electricity.
3. the method for making mobile phone key according to claim 1 is characterized in that: the TPU film that will have keycap is bonded on the PET sheet material with double faced adhesive tape.
4. mobile phone key comprises the conduction base and the keycap of button; It is characterized in that: the conduction base is arranged on the PET sheet material via the UV transfer printing; Keycap is arranged on the TPU film via the UV transfer printing; The TPU film is arranged on the PET sheet material; The corresponding respectively cutting line of dividing the key area size that is provided with on PET sheet material and conduction base is so that the button of being made has elasticity.
5. mobile phone key according to claim 4 is characterized in that: said cutting line comprises interconnective longitudinally cutting line and horizontal cutting line; Laterally cutting line is separately positioned on the top margin of the base and the row key area, the end of row key area, top; Longitudinally cutting line between the middle row key area breaks off and being provided with.
6. mobile phone key according to claim 4 is characterized in that: between TPU film and PET sheet material, double faced adhesive tape is set.
7. mobile phone key according to claim 4 is characterized in that: at the corresponding respectively fixedly fixing hole of key board that is provided for of periphery of conduction base, PET sheet material and TPU film.
8. mobile phone key according to claim 4 is characterized in that: the space is provided with between any adjacent two keycaps on the TPU film.
9. mobile phone key according to claim 4 is characterized in that: the thick 0.05-0.1mm of PET sheet material.
10. mobile phone key according to claim 4 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 true CN102306581A (en) | 2012-01-04 |
| CN102306581B CN102306581B (en) | 2013-11-06 |
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Citations (6)
| 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 |
| KR20080107120A (en) * | 2007-06-05 | 2008-12-10 | 류승원 | Preparation method for keypad of cellular phone |
| CN201490067U (en) * | 2009-07-22 | 2010-05-26 | 深圳市声奥科技有限公司 | Mobile phone key |
| US20100170775A1 (en) * | 2009-01-05 | 2010-07-08 | Samsung Electronics Co., Ltd. | Keypad assembly and manufacturing method thereof |
| 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 |
-
2011
- 2011-07-19 CN CN 201110202177 patent/CN102306581B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080107120A (en) * | 2007-06-05 | 2008-12-10 | 류승원 | Preparation method for keypad of cellular phone |
| CN201112197Y (en) * | 2007-09-28 | 2008-09-10 | 深圳华为通信技术有限公司 | Mobile phone press keys |
| US20100170775A1 (en) * | 2009-01-05 | 2010-07-08 | Samsung Electronics Co., Ltd. | Keypad assembly and manufacturing method thereof |
| 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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| CN102306581B (en) | 2013-11-06 |
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