CN104527305B - The method and product of color-shifting images effect are realized on 3D curved surfaces - Google Patents
The method and product of color-shifting images effect are realized on 3D curved surfaces Download PDFInfo
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- CN104527305B CN104527305B CN201410784830.8A CN201410784830A CN104527305B CN 104527305 B CN104527305 B CN 104527305B CN 201410784830 A CN201410784830 A CN 201410784830A CN 104527305 B CN104527305 B CN 104527305B
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Abstract
The present invention provides a kind of method and product that color-shifting images effect is realized on 3D curved surfaces, and this method comprises the following steps：Using UV photosensitive-inks on flat substrates printed patterns；The base material printed is subjected to hot-forming, Punching Technology and goes out 3D curve forms；Base material after shaping is put into mould and carries out being embedded in injection, covering material is bonded on base material, so as to obtain the 3D products with color-shifting images effect.The present invention is realized using the principle that UV photosensitive-inks develop the color under sunshine or ultraviolet light or change colour, UV photosensitive-inks are printed on the sheet material of plane, sheet material is subjected to thermoforming again, punching makes the face shaping of product, the 3D products that outer surface is enclosed with sensitization discoloration pattern must be arrived by sheet material is inserted into mould carrying out in-mould injection, this has the 3D products of sensitization discoloration pattern under sunshine or can show under ultraviolet light or change color, product is become interesting.
Description
Technical field
The present invention relates to color-shifting images technology, more particularly to a kind of method that color-shifting images effect is realized on 3D curved surfaces and
Product.
Background technology
The simple printed patterns of electronic product casing generally use that occur in the market form embossment to realize
The decoration of case surface, with the improvement of living standards, people, when choosing electronic product, concern is not only electronic product
Function and quality, the main reason for people choose electronic product is also had become to the individual demand of electronic product.It is this
General pattern or embossment color color fix dullness, and playability, interest are poor.
The content of the invention
Based on this, for general pattern playability on above-mentioned 3D products, it is interesting poor the problem of, the present invention proposes a kind of exists
The method and product of color-shifting images effect are realized on 3D curved surfaces.
Its technical scheme is as follows：
A kind of method that color-shifting images effect is realized on 3D curved surfaces, comprises the following steps：
Using UV photosensitive-inks on flat substrates printed patterns；
The base material printed is subjected to hot-forming, Punching Technology and goes out 3D curve forms；
Base material after shaping is put into mould and carries out being embedded in injection, covering material is bonded on base material.
The present invention is realized using the principle that UV photosensitive-inks develop the color under sunshine or ultraviolet light or change colour, by the photosensitive oil of UV
Ink print carries out thermoforming on the sheet material of plane, then by sheet material, and punching makes the face shaping of product, sheet material is inserted into mould
The 3D products that outer surface is enclosed with sensitization discoloration pattern must be arrived by carrying out in-mould injection, should be existed with the 3D products of sensitization discoloration pattern
It under sunshine or can show under ultraviolet light or change color, product is become interesting.
Its further technical scheme is illustrated below：
Further, the mode of printing used is silk-screen or offset printing.Using the layer of ink of silk-screen is thick, precision is low, coining is small, and
Offset printing layer of ink is thin, printing figure message reproduction effects are good.
Further, the printed patterns can develop the color or/and change colour under sunshine or ultraviolet light.Utilize sensitization discoloration
Material can produce color change after sunshine/ultraviolet light, and can recover script color after sunshine/ultraviolet light is lost
Principle, realize printed patterns discoloration and pattern displaying.
Further, the printed patterns have at least one layer.Printable multilayer sensitization discoloration pattern, wherein one layer can band
Color, other layers are without color；Or wherein one layer without color, other layers of band color；Or some of layer band colors, its
His some layers are without color.So as to which change shows different colors under sunshine or ultraviolet light.
Further, the fusing point of the covering material is not higher than the fusing point of base material.If the fusion temperature mistake of covering material
It is low, substrate surface can not be just melted, bonding therebetween is then not firm enough.But or fusion temperature is too high, base material will soften
Deformation, when serious, covering material can penetrate base material, cause component processing to fail.Therefore, the material for selecting to match just can guarantee that good
Good bonding.
Further, before covering material is molded on base material, first base material is preheated, connects substrate surface temperature
The fusing point of nearly covering material.Substrate surface temperature can so be caused close to the fusing point of covering material, it is strong so as to obtain optimum adhesion
Degree, covering material is set to be easier to be combined together with base material.
Further, the covering material is PC materials and ABS material, and the base material is PC materials.These materials are common,
And easily PC materials and ABS material injection are covered on PC materials.
In addition, the present invention also propose a kind of product that color-shifting images effect is realized on 3D curved surfaces, its be using it is above-mentioned
Realize that the 3D products that the method for color-shifting images effect processes to obtain are electronic product casing or electronic product sheath on 3D curved surfaces.Will
Sensitization discoloration pattern printing is worked on electronic product casing or electronic product sheath, increases the aesthetic property and interest of product.
The present invention has beneficial effect prominent as follows：
1st, by printing sensitization discoloration pattern on product, the playability of product, interesting experience effect can be improved.
2nd, do not have variational product relative to other color dullnesses, can improve and be printed with the competing of sensitization discoloration pattern product
Strive power.
Brief description of the drawings
Fig. 1 is the step schematic block diagram for the method for realizing color-shifting images effect in the embodiment of the present invention on 3D curved surfaces；
Fig. 2 is matrix structure signal used in the method for realized in the embodiment of the present invention on 3D curved surfaces color-shifting images effect
Figure；
Fig. 3 is in printing on substrates pattern in the method for realized in the embodiment of the present invention on 3D curved surfaces color-shifting images effect
Structural representation afterwards；
Fig. 4 is by the base material printed heat in the method for realized in the embodiment of the present invention on 3D curved surfaces color-shifting images effect
Press the structural representation after punching molding；
Fig. 5 is to be molded covering in the method for realized in the embodiment of the present invention on 3D curved surfaces color-shifting images effect on base material
Structural representation after material.
Description of reference numerals：100- base materials, 200- sensitization discoloration patterned layers, 210- sensitization discoloration patterns, 300- covering materials
Material.
Embodiment
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings.
Present invention utilizes sensitization discoloration material can produce color change after sunshine/ultraviolet light, and works as and lose
The principle of script color can be recovered after sunshine/ultraviolet light, it is proposed that a kind of side that color-shifting images effect is realized on 3D curved surfaces
Method, as shown in figure 1, comprising the following steps：
S110, sensitization discoloration pattern 210 printed on flat substrates 100 using UV photosensitive-inks, i.e., the shape on base material 100
Into sensitization discoloration patterned layer 200.For example, as shown in Figure 2 to Figure 3, can be on flat pattern-free sheet material, with UV photosensitive-inks
Some Pentagram shapes in printing, these five-pointed stars can be coloured or colourless；
S120, the base material 100 printed is subjected to hot-forming, Punching Technology goes out 3D curve forms.Such as Fig. 3 to Fig. 4 institutes
Show, will be printed with can the sheet material of five-pointed star pattern of sensitization discoloration be punched into U-shaped；
S130, the base material 100 after shaping is put into mould carries out being embedded in injection, covering material is bonded on base material 100
300, so as to obtain the 3D products with color-shifting images effect.As shown in Fig. 4 to Fig. 5, the U-shaped piece of five-pointed star pattern is being printed with
On material be molded one layer of covering material for being similarly U-shaped, formed with can sensitization discoloration five-pointed star pattern 3D products.
Specifically, in step s 110, at least one layer of sensitization discoloration pattern 210 can be printed on base material 100, it is some of
The printed patterns of layer can be colored pattern or/and not colored pattern, and the printed patterns are in sunshine or ultraviolet
It can develop the color or/and change colour under light irradiation.Multiple sensitization discoloration patterned layers 200 can be printed on flat substrates 100, wherein one layer
Can be with color, other layers are without color；Or wherein one layer without color, other layers of band color；Or some of layer band face
Color, some other layer is without color.Each sensitization discoloration patterned layer 200 may be designed to different patterns and color, so as to
Enough changes under sunshine or ultraviolet light show different design and colors.
Moreover, the mode of printing used in the present embodiment is silk-screen or offset printing.When using silk-screen being silk-screen printing, mesh is big
Small selection is between the mesh of 150 mesh~200.Using the layer of ink of silk-screen is thick, precision is low, coining is small, and offset printing layer of ink is thin, printing figure message
Reproduction effects are good, and the two respectively has advantage and disadvantage., can be with after printing sensitization discoloration patterned layer 200 with photosensitive-ink on base material 100
Using do, dry certainly, the mode of UV solidifications dries sensitization discoloration pattern 210, and can use corresponding diluent in printing
Dilute photosensitive-ink.
In the step s 120, using thermoforming die cutting device, the base material 100 for being printed with sensitization discoloration pattern is processed
Various 3D curve forms image, these images simply can be U-shaped curved surface image, complicated be solid cartoon character,
Flower and various animals and plants or figure image, and the sensitization discoloration pattern 210 printed and these vivid corresponding matchings, such as people
Figure image mixes the clothes of various energy turn colors, the various colors that can be converted of flower color matching, in sunshine or ultraviolet light
Under being capable of turn colors and pattern, it appears it is very interesting.
In step s 130, before covering material 300 is molded on base material 100, first base material 100 is preheated, made
Fusing point of the surface temperature of base material 100 close to covering material 300.It can so cause the surface temperature of base material 100 close to covering material 300
Fusing point, so as to obtain optimum adhesion intensity, make covering material 300 be easier be combined together with base material 100.Will be preheated
Base material 100 is put into inside mould cavity, or base material 100 is preheated directly inside mould cavity, after preheated, toward mould
Have injection covering material 300 inside die cavity, covering material 300 is bonded together with base material 100, covering material 300 is cooled to
It is corresponding with the 3D shapes that the hot pressing of base material 100 is punched to obtain after type, you can the sensitization discoloration patterned layer on the surface of base material 100 will to be printed on
200 are formed into the surface of covering material 300, so as to form the 3D products of needs.
In addition, when selecting base material 100 and covering material 300, it should be noted that the fusing point of covering material 300 is not above base material
100 fusing point.If the fusion temperature of covering material 300 is too low, the surface of base material 100, bonding therebetween can not be just melted
It is then not firm enough.But fusion temperature is too high, base material 100 will softening transform, sensitization discoloration patterned layer 200 can be damaged,
Covering material 300 can penetrate base material 100 when serious, cause Product processing to fail.Therefore, the material for selecting to match just can guarantee that good
Good bonding.In general, matching materials should have similar chemical characteristic or the composite parts containing matching.
Specifically, covering material 300 may be selected is PC materials (makrolon material) and ABS material (acrylonitrile-benzene second
Alkene-butadiene copolymer), ABS material forming temperature is 180-250 DEG C, and base material 100 is PC materials, and PC material forming temperatures are
230-320 DEG C, and its water white transparency is highly suitable for base material.These materials are typical, and are easily back together.Separately
Outside, in addition, PVC material (polyvinyl chloride, a kind of thermoplastic resin), which also may be selected, is used as covering material, PVC material 160~
180 DEG C start to be changed into viscous state, translucent, are suitable as being molded covering material, and PVC material injection easily is covered into PC
On material.Further, it is also possible to using ABS material as base material, and PET material is used as covering material.
In practical application, realize that the method for color-shifting images effect processes to obtain electronics production on 3D curved surfaces using above-mentioned
Product shell or electronic product sheath, this electronic product casing or electronic product sheath can realize color-shifting images effect, that is, have
Sensitization discoloration performance.More specifically, electronic product casing in the present embodiment can be cell phone rear cover or tablet personal computer lid or
Person's notebook computer casing etc., and electronic product sheath is mobile phone protective cover or tablet computer protective sleeve etc..By sensitization discoloration figure
Case printing is worked on electronic product casing or electronic product sheath, increases the aesthetic property and interest of product.
The present invention is realized using the principle that UV photosensitive-inks develop the color under sunshine or ultraviolet light or change colour, by the photosensitive oil of UV
Ink print carries out thermoforming on the flat substrates of plane, then by base material, and punching makes the face shaping of product, base material is inserted
Mould, which carries out in-mould injection, must arrive the 3D products that outer surface is enclosed with sensitization discoloration pattern, and the 3D should with sensitization discoloration pattern is produced
Product are under sunshine or can show under ultraviolet light or change color, product is become interesting (it should be noted that in accompanying drawing
Shape be in order to illustrate method and step, do not represent the present invention true shape).
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
- A kind of 1. method that color-shifting images effect is realized on 3D curved surfaces, it is characterised in that comprise the following steps：Using UV photosensitive-inks on flat substrates printed patterns；The printed patterns have at least one layer；The base material printed is subjected to hot-forming, Punching Technology and goes out 3D curve forms；These shapes can be three-dimensional cartoon angle Color, flower and various animals and plants or figure image；Base material after shaping is put into mould and carries out being embedded in injection, covering material is bonded on base material；The covering material Fusing point is not higher than the fusing point of base material；Before covering material is molded on base material, first base material is preheated, makes substrate surface temperature Spend the fusing point close to covering material；Preheated base material is put into inside mould cavity, or directly base material preheated inside mould cavity, is preheated After good, toward mould cavity the inside injection covering material, covering material is set to be bonded together with base material, after covering material is cooled and shaped It is corresponding with the 3D shapes that base material hot pressing is punched to obtain, the sensitization discoloration patterned layer for being printed on substrate surface is formed into covering material Surface.
- 2. the method according to claim 1 that color-shifting images effect is realized on 3D curved surfaces, it is characterised in that the print of use Brush mode is silk-screen or offset printing.
- 3. the method according to claim 2 that color-shifting images effect is realized on 3D curved surfaces, it is characterised in that the printing figure Case can develop the color or/and change colour under sunshine or ultraviolet light.
- 4. the method according to claim 1 that color-shifting images effect is realized on 3D curved surfaces, it is characterised in that the covering Material is PC materials and ABS material, and the base material is PC materials.
- 5. a kind of realize that the method for color-shifting images effect is processed according to claim 1-4 any one on 3D curved surfaces The product arrived, it is characterised in that the product is electronic product casing or electronic product sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784830.8A CN104527305B (en) | 2014-12-16 | 2014-12-16 | The method and product of color-shifting images effect are realized on 3D curved surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784830.8A CN104527305B (en) | 2014-12-16 | 2014-12-16 | The method and product of color-shifting images effect are realized on 3D curved surfaces |
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| Publication Number | Publication Date |
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| CN104527305A CN104527305A (en) | 2015-04-22 |
| CN104527305B true CN104527305B (en) | 2018-03-27 |
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| CN201410784830.8A Active CN104527305B (en) | 2014-12-16 | 2014-12-16 | The method and product of color-shifting images effect are realized on 3D curved surfaces |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106163169A (en) * | 2015-04-24 | 2016-11-23 | 深圳富泰宏精密工业有限公司 | Housing and preparation method thereof, apply the electronic installation of this housing |
| CN108119808B (en) * | 2016-11-29 | 2024-04-12 | 博西华电器（江苏）有限公司 | Indicating device for household appliance and household appliance |
| CN109243260B (en) * | 2018-10-25 | 2024-06-18 | 浙江胜昔信息科技有限公司 | Light-variable effect material, color development method, color development device and application |
| CN114685829A (en) * | 2020-12-14 | 2022-07-01 | Oppo广东移动通信有限公司 | Shell, manufacturing method thereof and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005737A (en) * | 2006-01-21 | 2007-07-25 | 鸿富锦精密工业（深圳）有限公司 | Casing and producing method for casing |
| CN103756414A (en) * | 2013-12-27 | 2014-04-30 | 天津孚信达光电科技有限公司 | Photochromic cell phone shell |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050005138A (en) * | 2003-07-03 | 2005-01-13 | 장응순 | Mobile phone |
| CN101554823A (en) * | 2008-04-11 | 2009-10-14 | 深圳富泰宏精密工业有限公司 | Manufacturing method of casing and casing manufactured therefrom |
| CN102538165B (en) * | 2012-01-17 | 2017-02-08 | 海尔集团公司 | Light-sensitive and color-change air conditioner |
| CN104191759A (en) * | 2014-08-11 | 2014-12-10 | 太仓欧锐智能化工程有限公司 | Colorful color-changing mobile phone shell with anti-counterfeiting and anti-scratching functions and manufacturing method thereof |
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2014
- 2014-12-16 CN CN201410784830.8A patent/CN104527305B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005737A (en) * | 2006-01-21 | 2007-07-25 | 鸿富锦精密工业（深圳）有限公司 | Casing and producing method for casing |
| CN103756414A (en) * | 2013-12-27 | 2014-04-30 | 天津孚信达光电科技有限公司 | Photochromic cell phone shell |
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| CN104527305A (en) | 2015-04-22 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |