CN101763967B - Key and making method thereof - Google Patents
Key and making method thereof Download PDFInfo
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- CN101763967B CN101763967B CN 200810241566 CN200810241566A CN101763967B CN 101763967 B CN101763967 B CN 101763967B CN 200810241566 CN200810241566 CN 200810241566 CN 200810241566 A CN200810241566 A CN 200810241566A CN 101763967 B CN101763967 B CN 101763967B
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- light transmission
- medium film
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Abstract
The invention relates to a key and a making method thereof. The key comprises a key body and a character capable of being displayed on the key body, and at least one transparent dielectric film is arranged in the key body and has a thickness capable of causing incident light to generate interference. The key body comprises two transparent construction members overlying together, and the characters and the transparent dielectric film are both located between the transparent construction members. Compared with the prior art, because at least one transparent dielectric film is arranged in the key body and has the thickness capable of causing incident light to generate interference, when irradiating the key body, an external light source generates the interference to generate colored interference fringes, and therefore, the key has simple process.
Description
Technical field
The present invention relates to button and preparation method thereof, more particularly, relate to a kind of portable terminal that optical principle makes and portable type electronic product button and preparation method thereof of utilizing.
Background technology
Various portable terminals and portable type electronic product all need use button, and in daily productive life increasingly extensive application are arranged.Take mobile phone as example, in recent years, cellphone subscriber's quantity is just in fast rise, according to the prediction of the IE Market Research of market research agency (IEMR), by 2010, the China mobile number of users will from 2007 5.40 hundred million be increased to 7.38 hundred million.As a kind of consumer goods that embody individual character, the outward appearance of mobile phone affects consumer's preference consumingly, thereby directly affects mobile phone supplier's the market share.Want in the market competition of fierceness, to occupy catbird seat, just must make an effort in the appearance design of mobile phone.
Mobile phone key is to use one of maximum parts on the mobile phone, and it occupies the position of highly significant at mobile phone, and the outward appearance of mobile phone is had very important impact.In the prior art, mobile phone key comprises keying body and character, and described character generally adopts the methods such as silk-screen, spraying, radium carving or plating to form in keying body.If need to make character have translucent effect, also need the transparent keying body of first injection moulding, again at the surface spraying printing ink of keying body, then, with laser go out can printing opacity character, last, spraying one deck protection oil.Yet the color of above-mentioned button is more single, can't satisfy people's individual requirement.
Chinese patent ZL200610069845 discloses a kind of manufacture method of multi-color plastic mobile phone key, and the method adopts the vacuum plating colored film layer that alternately superposes to realize color effect, but the method complex process, cost is high, product percent of pass is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of button that utilizes interference of light principle and make.
Another technical problem to be solved by this invention is to provide a kind of method of making above-mentioned button, and its technique is simple.
For button of the present invention, above-mentioned technical problem is solved like this: a kind of button is provided, this button comprises keying body and can be shown in character on the described keying body, be provided with at least one light transmission medium film in the described keying body, described light transmission medium film has the thickness that incident light is interfered, described keying body comprises two transparent components that are superimposed, and described character and light transmission medium film are all between described transparent component.
The manufacture method that has button for the present invention, above-mentioned technical problem is solved like this: described button comprises keying body and can be shown in character on the described keying body, described keying body comprises two transparent components that are superimposed, form the light transmission medium film at button, so that the light that incides on the button interferes and demonstrates color fringe at described light transmission medium film, described character and light transmission medium film are all between described transparent component.
Compared with prior art, owing to being provided with at least one light transmission medium film in keying body, and described light transmission medium film has the thickness that incident light is interfered, when external light source shines on the keying body, namely interfere and generate Color Interfering Fringes By Use, its technique is simple.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention one;
Fig. 2 is sectional structure schematic diagram embodiment illustrated in fig. 1;
Fig. 3 is the perspective view of the embodiment of the invention two;
Fig. 4 is sectional structure schematic diagram embodiment illustrated in fig. 3;
Fig. 5 and Fig. 6 are the sectional structure schematic diagrames of the embodiment of the invention three;
Fig. 7 is the sectional structure schematic diagram of the embodiment of the invention four;
Fig. 8 is the sectional structure schematic diagram of the embodiment of the invention five.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 1 and Fig. 2, be the embodiment one of button of the present invention, this button comprises keying body 1 and can be shown in character 2 on the described keying body, be provided with at least one light transmission medium film 3 in the described keying body 1, described light transmission medium film 3 has the thickness that incident light is interfered.Like this, owing to being provided with at least one light transmission medium film 3 in keying body 1, and described light transmission medium film 3 has the thickness that incident light is interfered, when external light source shines on the keying body 1, namely interfere and generate Color Interfering Fringes By Use, its technique is simple.The below describes in detail above-mentioned each part respectively.
In the present embodiment, described keying body 1 comprises two transparent components that are superimposed 11,12, and wherein, transparent component 11 is positioned at the skin of keying body 1, and transparent component 12 is positioned at the internal layer of keying body 1. Transparent component 11,12 can be made by materials such as polymethyl methacrylate (PMMC, Polymethyl Met-hacrylate) or Merlon (PC, Polycarbonate).Both edges can be by ultrasonic bonding (Ultrasonic welding) together.
In the present embodiment, described light transmission medium film 3 is air film, and its thickness is no more than 4 microns.Because the white light coherent source produces the coherence length of clear interference fringe about the micron number magnitude, in order to obtain preferably effect, so the thickness of air film is limited in 4 microns, like this, just can see color fringe during with the white light button.Certainly, described light transmission medium film 3 can also adopt other transparent liquid mediums (water, alcohol etc.) or transparent solid dielectric (glass etc.).
All between described transparent component 11,12, described character 2 is enclosed by lighttight ink lay 21 and forms for described character 2 and light transmission medium film 3, and described light transmission medium film 3 is positioned at described ink lay 21 and encloses on regional at least a portion.When described light transmission medium film 3 be positioned at described ink lay 21 enclose the zone a part on the time, only have a corresponding part to have color fringe on the described character 2.Ink lay 21 is coated with on the bottom surface of being located at transparent component 11 by the mode of printing, like this when transparent component 11,12 is superimposed together, the thickness of ink lay 21 just just in time equals the thickness of light transmission medium film 3, is guaranteeing that its thickness is the smaller the better under the ink lay 21 lighttight prerequisites.
Like this, when external light source shines on the keying body 1, equal thickness interference occurs namely.When directional light during from the inhomogeneous film of identical inclination angle incident, coherent light optical path difference Δ changes with thickness e, the place that thickness e is identical, the optical path difference Δ is identical, and the interference situation is also identical, and being in on the one-level interference fringe, thereby the isopach of the corresponding film of equal thick interference fringe.
Because thickness difference is λ/2 between adjacent two stripeds, λ is the incident light wavelength, and the small fluctuating of wavelength magnitude can make fringe spacing change in 0.1 millimeter to several millimeters scope.The upper surface of the lower surface of transparent component 11 and transparent component 12 is because the restriction of processing conditions is not absolute smooth and parallel, it is the uneven thickness of air film, it will be appreciated that gorgeous color fringe during with the white light keytop, character 2 parts present colour.
Please refer to Fig. 3 and Fig. 4, be button embodiment two of the present invention, the difference of the present embodiment and embodiment one is, described character 2 is formed by lighttight ink lay 21, and described light transmission medium film 3 is positioned at least a portion beyond described ink lay 21 zones.When the part zone beyond described light transmission medium film 3 is positioned at described ink lay 21 was upper, the zone beyond the described ink lay 21 only had a corresponding part to have color fringe.
Please refer to Fig. 5 and Fig. 6, be button embodiment three of the present invention, the difference of the present embodiment and embodiment one is, described character 2 is positioned at upper surface (please refer to Fig. 5) or the lower surface (please refer to Fig. 6) of described keying body.
Please refer to Fig. 7, be button embodiment four of the present invention, the difference of the present embodiment and embodiment three is, described light transmission medium film 3 is the splitter film.For between described transparent component 11,12, forming the splitter film, can the shape of transparent component 11 or transparent component 12 be adjusted accordingly, in the present embodiment, transparent component 11 has been made into wedge shape.Certainly, also can keep the shape invariance of transparent component 11, and the shape of transparent component 12 is done wedgewise.
Between the air splitter film arbitrary neighborhood bright fringe (or dark fringe) apart from l be:
λ is the incident light wavelength, and θ is the angle of wedge of splitter.Incident monochromatic light be wavelength one regularly, it will be appreciated that light and dark striped; When using white light, the fringe spacing of different wave length is different, and the user it will be appreciated that the color fringe of separating gradually.
Please refer to Fig. 8, be button embodiment five of the present invention, the difference of the present embodiment and embodiment three is, the bottom surface of described transparent component 11 is the outstanding convex surface that forms downwards, like this, just can form Newton's ring (Newton ' s Rings) at keytop.
Below in conjunction with above-described embodiment one, the manufacture method of button is described.Adopt first the method for injection moulding to produce transparent component 11,12, and can form some burr (not shown)s at transparent component 11,12 edge, after convenient, both are welded together.Then print out character 2 being positioned at outer field transparent component 11 bottom surfaces, character 2 can be enclosed by lighttight ink lay 21 and form, and is also formed by lighttight ink lay 21.Because in the present embodiment, described light transmission medium film 3 is air film.So the thickness of character 2 is no more than 4 microns, like this, when transparent component 11,12 is welded together, the thickness of formed air film also is no more than 4 microns.Thereby the light that incides on the button is interfered at described air film and demonstrate color fringe.
After ink lay 21 dryings, just transparent component 11,12 can be superimposed together, and utilize the burr at ultrasonic wave fusing transparent component 11,12 edges and both edge joint weld is connected together.
For above-described embodiment two to five, its manufacture method and above-described embodiment one are roughly the same, and therefore not to repeat here.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. button, comprise keying body and can be shown in character on the described keying body, it is characterized in that: be provided with at least one light transmission medium film in the described keying body, described light transmission medium film has the thickness that incident light is interfered, described keying body comprises two transparent components that are superimposed, and described character and light transmission medium film are all between described transparent component.
2. button as claimed in claim 1, it is characterized in that: described light transmission medium film is air film, its thickness is no more than 4 microns.
3. button as claimed in claim 1, it is characterized in that: described character is enclosed by lighttight ink lay and forms, and described light transmission medium film is positioned at least a portion that described ink lay encloses the zone.
4. button as claimed in claim 1, it is characterized in that: described character is formed by lighttight ink lay, and described light transmission medium film is positioned at least a portion beyond the described ink lay zone.
5. button as claimed in claim 1, it is characterized in that: described character is positioned at the upper surface of described keying body or/and lower surface.
6. button as claimed in claim 1 is characterized in that: described light transmission medium film is for waiting thick film or splitter film.
7. button manufacture method, described button comprises keying body and can be shown in character on the described keying body, described keying body comprises two transparent components that are superimposed, it is characterized in that: adopt first the method for injection moulding to produce described two transparent components, form the light transmission medium film at described button again, so that the light that incides on the button interferes and demonstrate color fringe at described light transmission medium film, and make described character and light transmission medium film all between described transparent component.
8. button manufacture method as claimed in claim 7, it is characterized in that: described button has such as the described structure of claim 1 to 6 any one.
9. button manufacture method as claimed in claim 7, it is characterized in that: described light transmission medium film is air film, and enclosed by the stack of at least two perspex members and to form, extend some burrs at described two perspex member peripheries, by melting described burr described two perspex members are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810241566 CN101763967B (en) | 2008-12-24 | 2008-12-24 | Key and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810241566 CN101763967B (en) | 2008-12-24 | 2008-12-24 | Key and making method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101763967A CN101763967A (en) | 2010-06-30 |
| CN101763967B true CN101763967B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810241566 Active CN101763967B (en) | 2008-12-24 | 2008-12-24 | Key and making method thereof |
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| CN (1) | CN101763967B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208690145U (en) * | 2018-03-09 | 2019-04-02 | 深圳新纳光电科技有限公司 | The keycap of keyboard |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056903U (en) * | 1989-06-02 | 1990-05-09 | 陈远星 | Decorative leaves with rainbow colour |
| KR20070038473A (en) * | 2007-01-04 | 2007-04-10 | (주) 프렉코 | Pattern formation device for metal key-pad |
| CN101123633A (en) * | 2006-08-11 | 2008-02-13 | 余章军 | A manufacturing method for multi-color plastic mobile phone key |
| CN201065036Y (en) * | 2007-06-13 | 2008-05-28 | 万德国际有限公司 | Plastic sheet with 3D grain |
| CN201440391U (en) * | 2009-07-09 | 2010-04-21 | 旭荣电子(深圳)有限公司 | Variable color key-pressing structure |
-
2008
- 2008-12-24 CN CN 200810241566 patent/CN101763967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056903U (en) * | 1989-06-02 | 1990-05-09 | 陈远星 | Decorative leaves with rainbow colour |
| CN101123633A (en) * | 2006-08-11 | 2008-02-13 | 余章军 | A manufacturing method for multi-color plastic mobile phone key |
| KR20070038473A (en) * | 2007-01-04 | 2007-04-10 | (주) 프렉코 | Pattern formation device for metal key-pad |
| CN201065036Y (en) * | 2007-06-13 | 2008-05-28 | 万德国际有限公司 | Plastic sheet with 3D grain |
| CN201440391U (en) * | 2009-07-09 | 2010-04-21 | 旭荣电子(深圳)有限公司 | Variable color key-pressing structure |
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| Publication number | Publication date |
|---|---|
| CN101763967A (en) | 2010-06-30 |
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Inventor after: Li Guojiang Inventor before: Ju Xiang Inventor before: Zhang Yuhua Inventor before: Zhang Yuangang Inventor before: Chen Dajun |
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Effective date of registration: 20170621 Address after: 523000, No. 2, long Gaoqiao Road, Tangxia Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN ENHAO ELECTRONICS CO.,LTD. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170621 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518118 Pingshan Road, Pingshan Town, Shenzhen, Guangdong, No. 3001, No. Patentee before: BYD Co.,Ltd. |