CN110012139A - A kind of mobile phone shell and processing method with optical microstructures texture - Google Patents
A kind of mobile phone shell and processing method with optical microstructures texture Download PDFInfo
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- CN110012139A CN110012139A CN201910342895.XA CN201910342895A CN110012139A CN 110012139 A CN110012139 A CN 110012139A CN 201910342895 A CN201910342895 A CN 201910342895A CN 110012139 A CN110012139 A CN 110012139A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of mobile phone shell and processing method with optical microstructures texture, the mobile phone shell are made of plastic casing, transparent optical cement, reflectance coating and the black glue for being provided with micro-structure texture.The micro-structure texture is one-dimensional, two-dimensional and periodic array grating microstructure texture；One-dimensional gradual change, two-dimensional graded grating microstructure texture；Annular, spiral shape, 4 in shape, 6 shape, polygonal arrangement micro-structure texture；The prism of corner cube micro-structure texture of Fresnel line, ring grain micro-structure texture, retro-reflection formula visually with amplification and reduction capability；And the micro-nano structure composition of other bionical, imitative article surfaces.The micro-structure texture generates one-dimensional, Two dimensional Distribution rainbow effect, one-dimensional gradual change, two-dimensional graded rainbow effect, the rainbow effect of curved, spiral, annular, polygon rainbow effect, fragmentarily array imitates the rainbow line visual effect of article surface and the rainbow holography effect of specific pattern.
Description
Technical field
The present invention relates to material technical field of manufacturing process, and in particular to a kind of mobile phone shell with optical microstructures texture
And processing method.
Background technique
The 5G epoch, since 5G is higher relative to previous 4G and 3G transmission frequency, signaling rate was faster at hand.
But its there are the shortcomings that are as follows: since frequency is higher, the diffraction size of barrier is smaller, signal penetration power is relatively weak, transmission
Distance it is also relatively short.The metal shell of traditional 4G and 3G due to the electromagnetic shielding to high frequency antenna, the 5G epoch
It is not applicable.Mobile phone shell material will be undergone is returned to non-metallic material (for example plastic cement, ceramics and glass from plastic cement to metal
Shell) circulation, simultaneously because plastic cement advantage of lower cost, yield are high, the favor by middle and low-end market.
The manufacture craft of existing plastic housing of mobile phone, mainly include the following types:
1.IMR (inner mould transfer printing technology) technology
Inner mould transfer printing technology is one kind of in-mold decoration, draws a portrait printing (Nissha Printing) from 1980 by Japan
In generation, starts to develop, and cooperates to release color shell notebook computer with HP from 2006, IMR technique becomes notebook computer casing
The prevailing technology of processing, and widely apply in mobile phone terminal.
The principle of IMR manufacturing process: ink is printed in a PET film to it can also be by way of vapor deposition by metal
Material vapor deposition adds positioning system in forming bench in PET film, becoming entire volume pattern, will be in the printing position and die cavity of film
After position contraposition to be printed, formed together with plastics, molded product continues next mould in conjunction with ink but with thin film separation after molding
Forming action, finished product after molding generate via UV irradiation rear surface and complete hardening.
The decorative effect (such as metal wire-drawing, skin, cloth, bamboo, stone) of different imitative article surfaces may be implemented in IMR technique,
Advantage is to replace film, i.e., the pattern of expressible different-effect.The IMR rear cover applied on millet 4, millet are referred to as " light
Grid line rear cover ".
In addition to grating grain effect, the rear shell that millet 4 is equipped with the various materials effect such as wooden, bamboo matter, marble, leather is matched
Part, user can replace manually.
2.IML (in-mode inserts injection molding) technology
The distinguishing feature of in-mode inserts injection molding (IML) technology is: surface is the transparent membrane of one layer of hardening, and centre is printing
Pattern layer, the back side are plastic layers, since ink is clipped in the middle, product can be made to prevent surface from being scratched and rub resistance, and can be long-term
The distinctness of color is kept to be not easy to fade.
IML technology production process are as follows: printing-> molding-> cutting-> is embedded in Mo Nei-> mobile phone shell injection molding-> mould
Mold insert is injection-molded finished.
IML technical products effect:
(1) prints the diversification of appearance: by transferring in conjunction with the printing technologies such as soft sense of touch and colored, plating, realizing
The various appearances of diversification；
(2) research and development of the ultra-thin IML of, most thin to can reach 0.80mm, degree of deformation is less than 0.5mm；6 cun of battery cover degree of deformations are small
In 1.0mm；Part, which subtracts glue thickness, can accomplish 0.6mm.
Development trend: on the existing equipment of IML technology and process flow, improvement is evolved into more adaptation future customer demand
And the IMT technique of technical requirements, and thus reactivate the development space of traditional plastic molding factory.
3, IMT (in-mold decoration) technology
In-mold decoration (IMT) technology is that in-mode inserts injection molding (IML) technology and in-mold transfer printing (IMR) technology integrate and prolong
New process made of stretching.
Its technical application diaphragm of IMR technology and the isolation technics of ink, and take into account monomer forming and the note of IML technology
Mould manufacture, the quality of multilayer resist energy effective protection main body decorative layer.
IMT technological advantage: product thickness can be as thin as 0.70mm/ stabilization ,/without peel off risk.
By the extension of technique, UV is such as sprayed, can preferably realize the Functional Requirement of product surface, such as anti-fingerprint, resistance to
Mill, glossiness, and 3D texture printing layer can be passed through and apply magnetic control sputtering plating technology, realize 3D optical effects effect.
IMT technology is the popular solution of smart phone back-cover at present, and sensible expression IMT project is extremely successful, is provided
Scheme except glass back plate, has more IMT schemes for 18 years and releases cooperation middle and low-end market.IMT technique is incited somebody to action
Substitute the oil spout in current industry, UV Lacquer finish, plating, the plating of vacuum coloured silk, silk-screen, the techniques such as bat printing and transfer, it will drive product
Appearance industry realizes 3 D stereo across the innovation of property, color-grading, the irregular product appearance decorative effect such as angle R, simultaneously
Preferably innovation is provided to appearance technological design industry to realize with platform.New IMT technique combines current most popular 3D optics
The decoration engineering method of texture+PVD, face value is higher compared with tradition, and radian is bigger, current IMT technique, by the 3D optics line of new process
Become bilayer+3D optical effects+PVD on the basis of reason+PVD.
Development trend: OPPO A79 is being sold fast using IMT technique, and the problem that IMT encounters at present is that first-pass yield also needs
It improves.In the 5G epoch, IMT technique is possible to become very popular, it is reported that domestic multiple producers are all being laid out, and some are looked forward to
Industry starts volume production.IMT technology future can carry out fusion with electronic technology and develop into IME technology, increase circuit layer and mount electricity
Sub- component assigns vision, the tactile, sensory effects of diaphragm electronic function and multiplicity, the intelligent surface applied to future automobile.
4, PC imitates glass Shooting Technique
Injection moulded clear PC back-cover has better impact strength and resistance to as a kind of more inexpensive, efficient product form
With property, is just causing the concern of more and more traditional plastic cement factories, be expected to the cell phone back cover scheme as mainstream in 2019.It is existing at present
The mobile phone shell accessory factory of a domestic line is accelerating to be laid out injection moulded clear PC cell phone back cover.The raw material such as Mitsubishi Chemical, Sabic factory
Family also in verifying PC injection-molding phone back-cover PP Pipe Compound, can satisfy the requirement such as high rigidity, low stress.
PC imitates glass Shooting Technique advantage: in contrast, PC imitates glass Shooting Technique and is easier upper amount, and high-efficient, can
To accomplish imitative 2.5D/3D glass shell effect, decorated by spraying (plated film can not had to) and the technique of pad pasting.OPPO
Realme is exactly the work that PC is molded the examination water of imitative 2.5D glass shell.
Development trend: composite plate in 2018 has been widely applied as imitative glass cell phone back cover scheme, but at present production capacity by
Limit, product is easily-deformable, investment risk is big, technique is promoted and the space of drop originally is all little.And glass, ceramic cost are too expensive easy
Broken, large-scale production and yields make it be more suitable for high-end type.Under being difficult in glass and in the 3D composite plate cost short time
In the case where drop, plastic-injection cell phone rear cover comes into being as a kind of alternative solution efficiently, inexpensive, and emerges rapidly.
Since there is grating diffration effect to incident ray having a size of the other periodical micro-nano structure of wavelength level,
Reflection/transmission light has special rainbow line effect, holographic effect.Specially designed micro-nano structure, is seen by human eye
It examines, colourful colour switching and hologram pattern (such as rainbow holography pattern in antifalsification label) may be implemented, reflect
The pattern largely envisioned substantially may be implemented in light.
The technology of above-mentioned 4 kinds of existing production optical effects mobile phone shells, the method for mainly passing through roll-forming first will
Then the micro nano structure imprinting of optical effects passes through PVD optical coating, upper color, UA glue curing, formation volume to PET film again
Material, finally by be put into after cutting in mold using in-mode inserts be molded method injection molding together with PC shell.
Its major defect are as follows: its height, knuckle radius and pattern draft are all restricted, so before using IMR technique
It is all round that product, which can only be made into four angles, or is called circular arc mobile phone shell, substantially without height of side wall.
Summary of the invention
The purpose of the present invention is to solve drawbacks described above in the prior art, provide a kind of with optical microstructures texture
Mobile phone shell and processing method.
The first purpose of this invention can be reached by adopting the following technical scheme that:
A kind of mobile phone shell with optical microstructures texture, the mobile phone shell include the plastic casing for stacking gradually fitting,
Transparent optical cement, reflectance coating and black glue, the inner surface of the plastic casing are provided with micro-structure texture, the micro-structure
The reflectance coating is close to by transparent optical cement in the lower section of texture, and the reflectance coating is black for reflecting incident light, the black glue
Color oil lamella is protected for black shading；
The micro-structure texture is one-dimensional or two-dimensional and periodic array grating microstructure texture；Or for one-dimensional gradual change,
Two-dimensional graded grating microstructure texture；Or for annular, spiral shape, 4 in shape, 6 shape, polygonal arrangement micro-structure line
Reason；Or visually to have amplification and the Fresnel line of reduction capability, ring grain (CD line) micro-structure texture, retro-reflection formula
Prism of corner cube micro-structure texture；Or to be made of the micro-nano structure of bionical, imitative article surface.
Further, the one-dimensional gradual change, two-dimensional graded grating microstructure texture are respectively used to generate one-dimensional distribution, two
Tie up the rainbow effect of distribution；The one-dimensional gradual change, two-dimensional graded grating microstructure texture are respectively used to generate one-dimensional gradual change, two
Tie up the rainbow effect of gradual change；The annular, spiral shape, 4 in shape, 6 shape, polygonal arrangement micro-structure texture be respectively used to produce
The rainbow effect of raw annular, spiral rainbow effect, 4 while shape rainbow effect, 6 while the rainbow effect of shape, polygon coloured silk
The rainbow effect of rainbow effect, fragmentarily array；The micro-structure texture that the micro-nano structure by bionical, imitative article surface forms
For generate imitative article surface (wood grain, dermatoglyph, woven design, metal wire-drawing line, stone pattern etc.) rainbow line visual effect and other
The rainbow holography effect of specific pattern.
Further, the micro-structure texture is micro-nano structure, and size and period are several times of zero point of visible wavelength
To hundred times, between tens nanometers to several hundred microns of magnitude.
Further, the micro-structure texture has diffraction to the reflection of white light, to generate rainbow effect.
Further, the inner surface of the plastic casing is directly coated with reflecting coating layer.
Further, the plastic casing, material PC, ABS, PET, nylon or PMMA, with a thickness of 0.4-
0.6mm。
Further, the black glue, with a thickness of 10-100nm.
Further, the reflectance coating is coated with color (for example blue or gradual change are colored), with a thickness of 1-15um.
Further, the plastic casing, inner surface are provided with the periodic micro-structure texture of one-dimensional square, are
Grating texture with optical diffraction effect.
Further, the periodic micro-structure texture of the one-dimensional square is the period that cross sectional shape is sinusoidal waveform
Property optical grating construction, is arranged along the transverse direction of mobile phone shell, slightly arc-shaped.
Further, the periodic micro-structure texture of the one-dimensional square, period are in tens nanometers to several hundred microns
Between, depth be several nanometers to tens microns between.
Further, the periodic micro-structure texture of the one-dimensional square is the periodicity of arc.
Further, the periodic micro-structure texture of the one-dimensional square is height boss/groove period grating knot
Structure, the plastic casing, lower surface are provided with height boss/groove periodic micro structure texture of vertical bar shaped, serve as reasons
Multistage cambered surface is formed by connecting by facet, and multistage cambered surface constitutes reflection-type grating, and reflected light is formed perpendicular to the grain direction
Straight rainbow line.
Further, height boss/groove periodic micro structure texture of the vertical bar shaped, the period be 30 nanometers~
Between 500 microns, depth is between 10 nanometers~250 microns.
Further, the periodic micro-structure texture of the one-dimensional square zooms in or out effect visually to have
One-dimensional periodical straight grain Fresnel line structure.
Further, the periodic micro-structure texture of the one-dimensional square, the straight grain Fresnel Lenses in each of which period
Width is between 5-10 millimeters, and it is between 50 nanometers to 500 microns that tooth width, which is located at, in each period, and serration depth is received for 5
Rice~250 microns between.
Further, the plastic casing, the straight grain Fresnel line structure of inner surface setting, each of which period is
One straight grain Fresnel Lenses, section profile line are jagged fresnel contours line, the inclined-plane of every section of serrated wheel profile
Angle gradient, to the vertical bar shaped hot spot visually zoomed in or out is formed after light reflection, for convex Fresnel line, depending on
The shaped laser spot of amplification effect is formed in feel；For recessed Fresnel line, reflection light, which forms visually to have, reduces effect
Shaped laser spot.
Further, the periodic micro-structure texture of the one-dimensional square is micro- knot of two-dimensional directional periodic arrangement
Structure texture.
Further, the periodic micro-structure texture of the one-dimensional square is the ring grain Fresnel Lenses of two-dimensional array
Texture is formed by several ring grain Fresnel Lenses according to X and Y both direction is staggered.
Further, the periodic micro-structure texture of the one-dimensional square, between two neighboring ring grain Fresnel Lenses
Away from being several hundred microns between several millimeters；The tooth width of single Fresnel Lenses is tens nanometers between several hundred microns, is sawed
Tooth depth is between several nanometers to tens microns.
Further, the periodic micro-structure texture of the one-dimensional square, for the micro- of "the" shape broken line shape arrangement
Structural texture.
Further, the spacing of the periodic micro-structure texture of the one-dimensional square, two neighboring "the" shape broken line is
Tens nanometers between several hundred microns, the width of "the" shape broken line is also tens nanometers between several hundred microns, "the" shape
The depth of broken line is between several nanometers to tens microns.
Further, the plastic casing, inner surface are provided with the periodic micro-structure texture of two-dimensional directional, are
Grating texture with optical diffraction effect.
Further, the periodic micro-structure texture of the two-dimensional directional, for the micro-structure of two-dimentional semi-circular shape arrangement
Texture is composed of the step of several micron order semi-circular shapes, each semicircular step to lower recess or protruding upward,
For the spacing of adjacent two rows of semicircle steps between tens nanometers between several hundred microns, the depth of semi-circular shape step is several nanometers
To between tens microns.
Further, the periodic micro-structure texture of the two-dimensional directional is the micro-structure texture of hexagonal array,
It is composed of the step of several micron order hexagons, the step of each hexagon is to lower recess or protruding upward, adjacent two rows
For the spacing of hexagon step between tens nanometers between several hundred microns, the depth of hexagon step is several nanometers to tens microns
Between.
Further, the periodic micro-structure texture of the two-dimensional directional is the micro-structure texture of square arrangement,
It is composed of the step of many micron order squares, the step of each square is to lower recess or protruding upward, adjacent two rows
For the spacing of square step between tens nanometers between several hundred microns, the depth of square step is several nanometers to tens microns
Between.
Further, the periodic micro-structure texture of the two-dimensional directional, is set as two-dimensional directional irregular alignment
Composite microstructure texture, the composite microstructure texture of the two-dimensional directional irregular alignment, by several irregular alignments
Polygon is blocky and interior carve is made of the micro-structure texture of stripe grating.
Further, each irregular polygon size is between tens microns to several millimeters, and block-like
Irregular polygonized structure, inside are provided with the periodic linear grating of no specific direction, and the period is in tens
Nanometer between several hundred microns, depth be several nanometers to tens microns between.
Further, the periodic micro-structure texture of the two-dimensional directional is with multilayer steps, irregular alignment
The micro-structure texture of rainbow holography, number of steps be 1 rank, 2 ranks, 4 ranks, 6 ranks, 8 ranks, 16 ranks ..., 2n rank, the step
With a thickness of 1/4 wavelength, 1/2 wavelength, 1 wavelength, 6 × 1/4 wavelength, 8 × 1/4 wavelength, 16 × 1/4 waves of wavelength ... 2n × 1/4
It is long, wherein n is positive integer.
Further, the periodic micro-structure texture of the two-dimensional directional is the microprism array knot of retro-reflection formula
Structure is used to generate the effect of high light reflectivity, can be by most of incident ray along backtracking.
Second object of the present invention can be reached by adopting the following technical scheme that:
A kind of mobile phone shell processing method with optical microstructures texture, the micro-structure texture are arranged in plastic casing
Side, the processing method are as follows:
The method that mechanical Precision Machining or photoetching are directly done on the inlaid piece of mould of mobile phone shell (mold core), by micro-structure line
Completion of processing, then direct injection molding are managed, then forms mobile phone shell after being bonded by transparent optical cement, reflectance coating and black glue
Finished product.
Compared with the prior art is by the technique for the coiled material for forming microstructure film in the method for roll-forming on a pet film,
The production precision of its micro-structure is higher, while can lower production cost significantly, and improves yield rate.
The present invention has the following advantages and effects with respect to the prior art:
1) a kind of, manufacture craft with the mobile phone shell of optical effects and the mobile phone shell proposed by the present invention, the mobile phone
Mobile phone shell has lacked one layer of microstructure film to shell phase than in the prior art, but directly accomplishes micro-nano structure in mobile phone shell, for example will
Micro-nano structure is worked into the medial surface of mobile phone shell, is then bonded again by transparent adhesive tape, reflectance coating and black glue.
2), the manufacture craft can directly do Ultra-precision Turning or photoetching on the inlaid piece of mould of mobile phone shell (mold core)
Method processes micro-structure, then direct injection molding, then by transparent adhesive tape, reflectance coating and black glue fitting after formed at
Product.With the prior art by the method in roll-forming on a pet film, the technique for forming the coiled material of microstructure film is compared, micro-
The production precision of structure is higher, while can lower production cost significantly, and improves yield rate.
Detailed description of the invention
Fig. 1 is the film layer exploded view in embodiment one with optical microstructures texture mobile phone shell；
Fig. 2 is the partial cutaway view in embodiment one with optical microstructures texture mobile phone shell；
Fig. 3 is the arrangement shape with plastic casing inner surface optical effects in micro-structure texture mobile phone shell in embodiment one
Shape schematic diagram；
Fig. 4 is that the portion A with plastic casing inner surface optical effects in micro-structure texture mobile phone shell in embodiment one is put
Big figure；
Fig. 5 is that the grating with plastic casing inner surface optical effects in micro-structure texture mobile phone shell in embodiment one spreads out
Penetrate schematic illustration；
Fig. 6 is that have analog result of the sinusoidal grating in optical software in micro-structure texture mobile phone shell in embodiment one
Figure；
It with plastic casing inner surface in micro-structure texture mobile phone shell is the micro- of sinusoidal grating that Fig. 7, which is in embodiment one,
Structure chart；
Fig. 8 is the partial cutaway view in embodiment two with optical microstructures texture mobile phone shell；
Fig. 9 is that the part with plastic casing inner surface optical effects in micro-structure texture mobile phone shell in embodiment three is put
Big figure is the structural texture of reflection-type grating；
Figure 10 is that have micro-structure texture mobile phone shell, the direction C-C of against to the grain, together with lower section multilayer in embodiment three
The structural schematic diagram of film；
Figure 11 is that have micro-structure texture mobile phone shell in embodiment three, multistage cambered surface optical effects described in inner surface
Micro-structure diagram；
Figure 12 is the part with plastic casing inner surface optical effects in micro-structure texture mobile phone shell in example IV
Enlarged drawing is the texture of straight grain Fresnel Lenses；
Figure 13 is that have micro-structure texture mobile phone shell, the direction D-D of against to the grain, together with lower section multilayer in example IV
The structural schematic diagram of film；
Figure 14 is that have micro-structure texture mobile phone shell in embodiment five, and the bottom of plastic casing inner surface optical effects regards
Figure is the texture of ring grain Fresnel Lenses；
Figure 15 is that have micro-structure texture mobile phone shell, the bottom surface of plastic casing inner surface optical effects in embodiment five
Isometric side view is the texture of ring grain Fresnel Lenses；
Figure 16 is the scanning electron microscope diagram of ring grain Fresnel Lenses texture in embodiment five；
Figure 17 is that have micro-structure texture mobile phone shell in embodiment six, and the bottom of plastic casing inner surface optical effects regards
Figure is the texture of "the" shape broken line；
Figure 18 is that have micro-structure texture mobile phone shell, the bottom surface of plastic casing inner surface optical effects in embodiment six
Isometric side view is the texture of "the" shape broken line；
Figure 19 is that have micro-structure texture mobile phone shell in embodiment seven, and the bottom of plastic casing inner surface optical effects regards
Figure is semicircular micro-structure texture；
Figure 20 is that have micro-structure texture mobile phone shell, the bottom surface of plastic casing inner surface optical effects in embodiment seven
Isometric side view is semicircular micro-structure texture；
Figure 21 is that have micro-structure texture mobile phone shell in embodiment eight, and the bottom of plastic casing inner surface optical effects regards
Figure is the micro-structure texture of triangle；
Figure 22 is that have micro-structure texture mobile phone shell, the bottom surface of plastic casing inner surface optical effects in embodiment eight
Isometric side view is the micro-structure texture of triangle；
Figure 23 is that have micro-structure texture mobile phone shell in embodiment nine, and the bottom of plastic casing inner surface optical effects regards
Figure, for the micro-structure texture of 6 side shapes arrangement；
Figure 24 is that have micro-structure texture mobile phone shell, the bottom surface of plastic casing inner surface optical effects in embodiment nine
Isometric side view, for the micro-structure texture of 6 side shapes arrangement；
Figure 25 is that have micro-structure texture mobile phone shell in embodiment ten, and the bottom of plastic casing inner surface optical effects regards
Figure, for the micro-structure texture of 4 squares arrangement；
Figure 26 is that have micro-structure texture mobile phone shell, the bottom surface of plastic casing inner surface optical effects in embodiment ten
Isometric side view, for the micro-structure texture of 4 squares arrangement；
Figure 27 is that have micro-structure texture mobile phone shell, the bottom of plastic casing inner surface optical effects in embodiment 11
View, for the composite microstructure texture of irregular polygon arrangement；
Figure 28 is that have micro-structure texture mobile phone shell in embodiment 12, and plastic casing inner surface optical effects are bowed
View is the holographic microstructure texture with multilayer steps, irregular alignment；
Figure 29 is that have micro-structure texture mobile phone shell in embodiment 12, plastic casing inner surface optical effects etc.
Axis side view is the holographic microstructure texture with multilayer steps, irregular alignment；
Figure 30 be in embodiment 12 have micro-structure texture mobile phone shell, plastic casing inner surface optical effects it is micro-
The micro- pattern of structure is the holographic microstructure texture with multilayer steps, irregular alignment；
Figure 31 is the micro-structure with plastic casing inner surface setting in micro-structure texture mobile phone shell in embodiment 13
Texture, the aligning method schematic diagram of the unit of single 6 side shape；
Figure 32 is the micro-structure with plastic casing inner surface setting in micro-structure texture mobile phone shell in embodiment 13
The arrangement mode schematic diagram of texture；
Figure 33 is the computer simulation schematic diagram of micro-structure texture in embodiment 13.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
The present embodiment proposes a kind of mobile phone shell with optical microstructures texture and the manufacture craft of the mobile phone shell.
The technique has lacked one layer of microstructure film, but directly accomplishes micro-nano structure in mobile phone shell, for example processes micro-nano structure in one's hands
Then the medial surface of casing is bonded by transparent optical cement, reflectance coating and black glue again.
The micro-structure texture is one-dimensional, two-dimensional and periodic array micro-structure texture；It is one-dimensional gradual change, two-dimensional graded
Micro-structure texture；Annular, spiral shape, 4 in shape, 6 shape, polygonal arrangement micro-structure texture；Visually there is amplification and contracting
The Fresnel line of small feature, the micro-structure texture of ring grain (CD line), retro-reflection formula prism of corner cube micro-structure texture；And its
The micro-nano structure composition of its bionical, imitative article surface.
The micro-structure texture is used to generate the rainbow of one-dimensional distribution due to the diffraction and interference effect of Microstructure Optics
Effect, the rainbow effect of Two dimensional Distribution, the rainbow effect of one-dimensional gradual change, two-dimensional graded rainbow effect, curved rainbow effect,
Spiral rainbow effect, the rainbow effect of annular, the rainbow effect of polygon, fragmentarily array rainbow effect, imitate object
The rainbow line visual effect on product surface (wood grain, dermatoglyph, woven design, metal wire-drawing line, stone pattern etc.) and the holographic effect of specific pattern
Fruit.
A kind of processing method of mobile phone shell with optical microstructures texture proposed by the present invention, can be directly in mobile phone
Ultra-precision Turning or photoetching are done on the inlaid piece of mould (mold core) of shell, after processing optical micro-structure texture finishes, then directly
Injection molding, then by forming finished product after transparent optical cement, reflectance coating and black glue fitting.
With the prior art by the method in roll-forming on a pet film, the technique for forming the coiled material of microstructure film is compared,
The production precision of its micro-structure is higher, while can lower production cost significantly, and improves yield rate.
A kind of mobile phone shell with optical microstructures texture disclosed in the present embodiment, film layer exploded view as shown in Figure 1,
The sectional view of its regional area is as shown in Figure 2.It is (or black by plastic casing 110, reflecting coating layer 120, black shading protective layer
Glue) 150 compositions.The reflecting coating layer, is applied directly onto the inner surface of plastic casing 110.
The plastic casing 110, material PC, ABS, PET, nylon or PMMA are excellent with a thickness of 0.4-0.6mm
It is selected as 0.5mm.The reflecting coating layer 120, is applied directly onto the inner surface of plastic casing 110.The black glue 130,
For oil lamella, with a thickness of 14-16nm, preferably 15nm.
The plastic casing 110, inner surface are provided with periodic micro-structure texture, to imitate with optical diffraction
The grating texture of fruit is preferably the periodic grating structure that cross sectional shape is sinusoidal waveform, arrangement in this specific embodiment
Mode is as shown in figure 3, the partial enlarged view of texture is as shown in Figure 4.It is arranged along the transverse direction of mobile phone shell, slightly round
Arc；The micro-structure texture, period are close with the wavelength magnitude of visible light, the several wavelength of the zero point of generally visible light
Between to several hundred a wave-length coverages, so that its transmission and reflected light generate diffraction or interference, to generate the separated coloured silk of RGB
Rainbow striped；Period is shorter, and rainbow striped is wider, and the period is longer, and rainbow striped is narrower.It is periodically micro- described in this specific embodiment
Structural texture, the period be in tens nanometers between several hundred microns, depth be between several nanometers to tens microns, this is specific real
Apply in example the sinusoidal grating that the preferably sinusoidal waveform micro-structure texture is 12 microns of period, 1.2 microns of depth.
The optical effects of mobile phone shell inner surface in the present embodiment, the micro-structure texture, for using Ultra-precision Turning
(for example using ultraprecise planing or milling, English name are as follows: single point diamond fly cutting/
Milling, or use ultra-precise cutting, English name are as follows: single point diamond turning) method in plastics
It is directly process on the mold core (mold insert) of 110 inside of shell, photoetching, the method for then answering mould again, by micro- knot can also be used
Structure texture is answered on mould to the mold core of 110 inside of plastic casing.
A kind of mobile phone shell with optical microstructures texture disclosed in the present embodiment, the plastic casing 110, inside
The micro-structure texture that wavelength level is carved on surface, section is sinusoidal shape, i.e. the wavelength amount in the period of its sinusoidal waveform and visible light
Grade is close, and the several wavelength of zero point between visible light are between several hundred a wave-length coverages.Therefore, the micro-structure texture is made
With a sinusoidal pattern reflecting grating is equivalent to, when white light incidence, reflection light generates diffraction or interference, to be formed red green
Blue separated rainbow striped.
Since reflectance coating 140 is close to by transparent optical cement 130 in the lower section of micro-structure texture, it is equivalent to reflection-type
Sinusoidal grating, incident white light, after the micro-structure texture and the reflection of the reflectance coating 140 of lower section, reflection light
Color can separate, and by eye-observation, form the separated rainbow line of red, green, blue and yellow indigo purple in the direction perpendicular to the texture.When
On plastic casing when the spread geometry of optical effects in a direction arranged in a straight line, reflected light is formed perpendicular to the texture side
To straight rainbow line；When the spread geometry of texture is arc-shaped, then reflected light forms the radiation perpendicular to the grain direction
The rainbow line of shape；When the spread geometry of optical effects is bending (being for example spiral shape), then reflected light is formed perpendicular to the line
Manage the curved rainbow line in direction (it is the spiral shape perpendicular to the grain direction).
A kind of mobile phone shell with optical microstructures texture disclosed in the present embodiment generates the principle of rainbow line as schemed
Shown in 5.Assuming that the period of the micro-structure texture of the sinusoidal shape is d；The white light incident direction in two neighboring period be A1B1 and
The wave surface in the direction A2B2, incident light is B1T1, and due to grating diffration, reflection light is divided into a variety of different colors,
Wherein feux rouges due to light path it is long, angle of diffraction is relatively large, and the direction of diffracted ray is the direction C1-R；And blue light
Since light path is shorter, angle of diffraction is relatively small, and the direction of diffracted ray is the direction C1-B.Reflected light relative to feux rouges
Line C1-R, it is assumed that the angle of its reflection light isSo there is following corresponding relationship formula:
Wherein d is the period of the micro-structure of sinusoidal grating, θ is incident ray incidence angle,For the anti-of Zero-order diffractive light
Firing angle.According to above-mentioned formula (1), due to grating diffration, when the wavelength of light is longer, the angle of reflection of Zero-order diffractive light
It is larger；When wavelength is shorter, the angle of reflection of Zero-order diffractive light is smaller, therefore feux rouges and blue light will divide in reflection light
It opens, by eye-observation, forms the shape of rainbow line.
Grating 111 is modeled in optical analysis software, the phase property that it is periodic sinusoidal grating is set, and
A piece of reflector plate is set thereunder, while the white light that incident beam is set as strip is set, it is assumed that its spectrum is colour temperature 3000K
Continuous wavelength the warm white curve of spectrum.The color analog result of diffraction pattern, can as shown in the right side in Fig. 6 on its film viewing screen
To find out after optical grating diffraction and the reflection of lower section reflector plate, the reflection light on film viewing screen is divided into different colours variation
0 rank, ± 1 grade and the weaker multistage rainbow diffraction fringe of other energy, the edge above 0 grade of main diffraction pattern is in indigo plant
The edge of color, lower section takes on a red color, and other other COLOR COMPOSITION THROUGH DISTRIBUTIONs of the wide-angle order of diffraction are then more obvious.
A kind of mobile phone shell with optical microstructures texture disclosed in the present embodiment, described in plastic casing inner surface
The micro-structure diagram of sinusoidal grating is as shown in Figure 9.In the present embodiment preferably the sinusoidal waveform micro-structure texture be 12 microns of period,
The sinusoidal grating that 1.2 microns of depth.
Embodiment two
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, in addition to described in specific embodiment one
Micro-structure surface coats except reflecting coating layer, independent reflectance coating can be set, as described in this specific embodiment two.
The partial cutaway view of its specific embodiment is as shown in Figure 8.It is by plastic casing 210, transparent optical cement (OCA)
230, reflectance coating 240 and black glue 250 form.
The plastic casing 210, material PC, ABS, PET, nylon or PMMA are excellent with a thickness of 0.4-0.6mm
It is selected as 0.5mm；The transparent optical cement (OCA) 230, with a thickness of 24-26nm, preferably 25nm；The reflectance coating 240,
It is coated with color (for example blue or gradual change are colored), with a thickness of 8-15nm；The black glue 250 is oil lamella, with a thickness of 14-
16nm, preferably 15nm.
The plastic casing 210, inner surface are provided with periodic micro-structure texture, the present embodiment and specific reality
It is consistent described in the side's of applying example one, it is the periodic micro structure that cross sectional shape is sinusoidal waveform.
The optical effects of mobile phone shell inner surface of the present invention, the micro-structure texture, for using single-point diamond
The method of Ultra-precision Turning is directly process on the mold core (mold insert) of 210 inside of plastic casing, can also use photoetching, so
The method for answering mould again afterwards answers micro-structure texture on mould to the mold core of 210 inside of plastic casing.
A kind of mobile phone shell with optical microstructures texture described in the present embodiment, the plastic casing 210, due to its inside
The micro-structure texture that wavelength level is carved on surface, section is sinusoidal shape, i.e. the wavelength amount in the period of its sinusoidal waveform and visible light
Grade is close, and the several wavelength of zero point between visible light are between several hundred a wave-length coverages.Therefore, the micro-structure texture is made
With a sinusoidal grating is equivalent to, when white light incidence, transmission and reflection light generate diffraction or interference, to be formed red green
Blue separated rainbow striped.
Since reflectance coating 240 is close to by transparent optical cement 230 in the lower section of micro-structure texture, it is equivalent to reflection-type
Sinusoidal grating, incident white light, after the reflection of the reflectance coating 240 of the micro-structure and lower section, the color of reflection light
It can separate, by eye-observation, form the separated rainbow line of red, green, blue and yellow indigo purple in the direction perpendicular to the texture.Work as plastics
On shell when the spread geometry of optical effects in a direction arranged in a straight line, reflected light is formed perpendicular to the grain direction
Straight rainbow line；When the spread geometry of texture is arc-shaped, then reflected light is formed perpendicular to the radial of the grain direction
Rainbow line；When the spread geometry of optical effects is bending (being for example spiral shape), then reflected light is formed perpendicular to the texture side
To curved rainbow line (it is the spiral shape perpendicular to the grain direction).
Embodiment three
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The periodic micro-structure texture being arranged can be other than the one and two sinusoidal waveform grating textures are embodied
Arc either height boss/groove period optical grating construction, as described in this specific embodiment.
A kind of mobile phone shell with optical microstructures texture described in the present embodiment, its inner surface of the plastic casing are set
It is equipped with height boss/groove periodic micro structure texture of vertical bar shaped, partial enlarged view is as shown in Figure 9.It is perpendicular to line
The direction C-C of reason, together with the structural schematic diagram of lower section multilayer film, as shown in Figure 10.It is by plastic casing 310, transparent optical cement
(OCA) 330, reflectance coating 340 and black glue 350 are bonded.
The plastic casing 310, lower surface are provided with height boss/groove periodic micro structure texture of vertical bar shaped
311, to be formed by connecting by multistage cambered surface, and by facet, as shown in figure 11.Multistage cambered surface constitutes reflection-type grating, instead
Light formation is penetrated perpendicular to the straight rainbow line of the grain direction.The micro-structure texture, the period be tens nanometers~it is several hundred micro-
Between rice, depth is preferred week of the arc-shaped micro-structure texture in this specific embodiment four between several nanometers~tens microns
Phase is 10 microns, and depth is 2.5 microns.
Example IV
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The periodic micro-structure texture being arranged can be with other than the sinusoidal waveform grating texture of specific embodiment one and two
Visually to have the periodical straight grain Fresnel line structure for the one-dimensional square arrangement for zooming in or out effect, such as this specific implementation
Described in example four.
A kind of mobile phone shell with optical microstructures texture described in the present embodiment, its inner surface of the plastic casing are set
It is equipped with periodic straight grain Fresnel texture, partial enlarged view is as shown in figure 12.The direction D-D of its against to the grain, together with
The structural schematic diagram of lower section multilayer film, as shown in figure 13.It is by plastic casing 410, transparent optical cement (OCA) 430, reflectance coating
440 and black glue 450 be bonded.
Plastic casing 410 as shown in fig. 13 that, the texture structure of lower surface setting are periodic straight grain Fresnel line
Structure 411, each of which period are a straight grain Fresnel Lenses, and section profile line is jagged fresnel contours line,
The bevel angle gradual change of its every section serrated wheel profile forms the vertical bar shaped light visually zoomed in or out after reflecting light
Spot.For convex Fresnel line, the shaped laser spot of amplification effect is visually formed；For recessed Fresnel line, reflected light
Line, which is formed, visually has the shaped laser spot for reducing effect.The periodic straight grain Fresnel texture, each of which period it is straight
The width of line Fresnel Lenses be 5-10 millimeter between, in each period tooth width be located at be tens nanometers to several hundred microns it
Between, serration depth is between several nanometers~tens microns.
The width of the preferred periodic straight grain Fresnel texture in this specific embodiment, each of which period is 8mm, is
The Fresnel surface of concave surface, reflection light, which is formed, visually has the shaped laser spot for reducing effect.
Embodiment five
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting may be set to be other than the one-dimensional square optical effects of specific embodiment one to four
The micro-structure texture of two-dimensional directional periodic arrangement, as described in this specific embodiment five.
A kind of mobile phone shell with optical effects, the plastic casing, inner surface described in this specific embodiment five are set
It is equipped with the micro-structure texture of two-dimensional directional periodic arrangement, is the ring grain Fresnel Lenses texture of two-dimensional array, inside table
Bottom view and bottom surface the isometric side view difference of the partial enlargement of optical effects described in face are as shown in Figure 14 and Figure 15, in kind
Electronic scanner microscope figure is as shown in figure 16, staggered according to X and Y both direction by various ring grain Fresnel Lenses
It forms.
The texture structure of the plastic casing, inner surface setting is the ring grain Fresnel of two-dimensional directional periodic arrangement
Line structure 511, the spacing of two neighboring ring grain Fresnel Lenses are several hundred microns between several millimeters；Single Fresnel Lenses
Tooth width is tens nanometers between several hundred microns, and serration depth is between several nanometers to tens microns.
The spacing of the preferably ring grain Fresnel micro-structure texture is 1 millimeter in this specific embodiment, tooth width is 25 micro-
Rice, serration depth are 2 microns.
Embodiment six
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, can be set to the micro-structure texture of two-dimensional directional periodic arrangement, and the two-dimensional directional is periodical
The texture of arrangement is the micro-structure texture of "the" shape broken line shape arrangement, as described in this specific embodiment six.
A kind of mobile phone shell with optical effects, the plastic casing, inner surface described in this specific embodiment six
It is provided with the micro-structure texture of two-dimensional directional periodic arrangement, is the micro-structure texture of "the" shape broken line shape arrangement,
The bottom view and bottom surface isometric side view of the partial enlargement of optical effects described in inner surface are as shown in Figure 17 and Figure 18.
The plastic casing, the micro-structure texture of the "the" shape broken line shape of inner surface setting are two neighboring
The spacing of "the" shape broken line is tens nanometers between several hundred microns, and the width of "the" shape broken line is also tens nanometers to several
Between hundred microns, the depth of "the" shape broken line is between several nanometers to tens microns.
In this specific embodiment preferably the spacing of the "the" shape broken line texture be 50 microns, broken line line width be 50 nanometers,
Depth is 20 nanometers.
Embodiment seven
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, is set as the micro-structure texture of two-dimensional directional periodic arrangement, and the two-dimensional directional is periodically arranged
The texture of column is the micro-structure texture of semi-circular shape arrangement, as described in this specific real embodiment seven.
A kind of mobile phone shell with optical effects, the plastic casing, inner surface described in this specific embodiment seven
The micro-structure texture of the semi-circular shape arrangement of setting, the bottom view of the partial enlargement of optical effects described in inner surface and bottom surface
Isometric side view is as illustrated in figures 19 and 20.
The plastic casing, the micro-structure texture of the semi-circular shape arrangement of inner surface setting, by many micron orders
The step of semi-circular shape is composed, and each semicircular step is to lower recess or protruding upward, adjacent two rows of semicircle steps
Spacing between tens nanometers between several hundred microns, the depth of semi-circular shape step is between several nanometers to tens microns.
Preferably the semi-circular shape arranges texture in this concrete example, and the spacing of adjacent two rows semi-circular shape is 50 microns, partly
The depth of round step is 20 nanometers.
Embodiment eight
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, is set as the micro-structure texture of two-dimensional directional periodic arrangement, and the two-dimensional directional is periodically arranged
The texture of column is the micro-structure texture of rounded projections arranged, as described in this specific embodiment eight.
A kind of mobile phone shell with optical effects, the plastic casing, inner surface described in this specific embodiment eight
The micro-structure texture of the triangle arrangement of setting, the bottom view of the partial enlargement of optical effects described in inner surface and bottom surface
Isometric side view is as shown in figure 21 and figure.
The plastic casing, the micro-structure texture of the semi-circular shape arrangement of inner surface setting, by many micron orders
The step of triangle is composed, and the step of each triangle is to lower recess or protruding upward, between adjacent two rows triangle steps
Away between 200 nanometers~100 microns, the depth of triangle step is between 5 nanometers~75 microns.
Preferably the triangle arranges texture in this specific embodiment, and the spacing of adjacent two rows triangle is 50 microns,
The depth of triangle step is 20 nanometers.
Embodiment nine
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, is set as the micro-structure texture of two-dimensional directional periodic arrangement, and the two-dimensional directional is periodically arranged
The texture of column is the micro-structure texture of hexagonal array, as described in this specific embodiment nine.
A kind of mobile phone shell with optical effects, the plastic casing, inner surface described in this specific embodiment nine
The micro-structure texture of the hexagonal array of setting, the bottom view of the partial enlargement of optical effects described in inner surface and bottom surface etc.
Axis side view is as shown in figure 23 and figure 24.
The plastic casing, the micro-structure texture of the semi-circular shape arrangement of inner surface setting, by many micron orders
The step of hexagon is composed, and the step of each hexagon is to lower recess or protruding upward, the spacing of adjacent two rows hexagons
Between tens nanometers~several hundred microns, the depth of hexagon step is between several nanometers~tens microns.
The spacing of the preferred texture of the hexagon microstructured ar-rangement in this specific embodiment, adjacent two rows hexagons is 50
Micron, the depth of hexagon step are 20 nanometers.
Embodiment ten
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, is set as the micro-structure texture of two-dimensional directional periodic arrangement, and the two-dimensional directional is periodically arranged
The micro-structure texture of column is the micro-structure texture of square arrangement, as described in this specific embodiment ten.
A kind of mobile phone shell with optical effects, the plastic casing, inner surface described in this specific embodiment ten
The micro-structure texture of the square arrangement of setting, the bottom view of the partial enlargement of optical effects described in inner surface and bottom surface etc.
Axis side view is as illustrated in figs. 25 and 26.
The plastic casing, the micro-structure texture of the square shaped formation of inner surface setting, by many microns
The step of grade square is composed, and is composed of the step of many micron order squares, the step of each square to
Lower recess is protruding upward, the spacing of adjacent two rows square steps between tens nanometers between several hundred microns, square platform
The depth of rank is between several nanometers to tens microns.
The spacing of the preferred texture of the square microstructured ar-rangement in this specific embodiment, adjacent two rows squares is 50
Micron, the depth of square step are 20 nanometers.
Embodiment 11
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, is set as the composite microstructure texture of two-dimensional directional irregular alignment, and the two-dimensional directional is not advised
The composite microstructure texture then arranged, by the polygon mat bulk of irregular alignment and the interior micro- knot for carving stripe grating
Structure texture composition, as described in this specific embodiment 11.
A kind of mobile phone shell with optical effects described in this specific embodiment 11, the plastic casing, inside table
The composite microstructure texture of the irregular alignment of face setting, the bottom view of the partial enlargement of optical effects described in inner surface is such as
Shown in Figure 27.
The plastic casing, the composite microstructure texture of the irregular alignment of inner surface setting, by many bulks
Irregular polygon composition, each irregular polygon size are between tens microns to several millimeters.
The irregular polygonized structure of bulk, inside are provided with the periodic linear light of no specific direction
Grid, the period be in tens nanometers between several hundred microns, depth be several nanometers to tens microns between.
In this specific embodiment preferably the linear grating be 5 microns of period, the single direction that depth is 50 nanometers it is flat
Concave grating.Linear grating within the bulk polygon, generates diffraction to reflection light, to form RGB distribution
Rainbow line.The line grating of different cycles combines, and reflection light can form the blocky rainbow of different colours after diffraction
Line effect.
Embodiment 12
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting is the holographic microstructure texture of the irregular alignment with multilayer steps, described to have multilayer platform
The holographic microstructure texture of the irregular alignment of rank, is made of, number of steps the multilayer steps of the wavelength level of irregular alignment
For 1 rank, 2 ranks, 4 ranks, 6 ranks, 8 ranks, 16 ranks ..., the step with a thickness of 1/4 wavelength, 1/2 wavelength, 1 wavelength, 6 × 1/4
Wavelength, 8 × 1/4 wavelength, 16 × 1/4 wavelength of wavelength ... 2n × 1/4, as described in this specific embodiment 12.
A kind of mobile phone shell with optical effects described in this specific embodiment 12, in the plastic casing, multilayer platform
The holographic microstructure texture of rank irregular alignment, this specific embodiment are preferably the micro-structure texture of rainbow holography.In it
Side surface has multilayer steps, the attached view of the holographic microstructure texture of irregular alignment, isometric side view, micro-structure micrograph
Case is respectively as shown in Figure 28, Figure 29, Figure 30.
A kind of mobile phone shell with optical effects described in this specific embodiment 12, in the plastic casing, multilayer platform
The holographic microstructure texture of rank irregular alignment is generated by the algorithm of computer-generated hologram, then the work for passing through semiconductor lithography
Skill makes mother matrix, then holographic microstructure texture is engraved into the nickel layer of mold core on the inside of mobile phone plastic casing by the method for multiple mould
On.The inner surface of mobile phone plastic casing just will form the holographic microstructure of special pattern after injection molding.
The rainbow holography micro-structure generates pattern by the method for computer-generated hologram.Its process generated are as follows: it is adopted
Discretization (effect that simulation object light passes through slit) is carried out to object light wave with dressing function, using Fourier transformation, then
The micro structured pattern of convolution generation is carried out with reference light.As shown in following formula (2):
τ (x, y) ∝ [UO(x, y)+R (x, y)] [UO(x, y)+R (x, y)]*Formula (2)
Wherein, τ (x, y) is hologram pattern, and UO (x, y) is object light wave, and R (x, y) is the plane wave of reference, and No. * is certainly
Convolution algorithm symbol.
Embodiment 13
Present embodiment discloses a kind of mobile phone shell with optical microstructures texture, the plastic casing, inner surfaces
The micro-structure texture of setting, can be set to the microprism array structure of retro-reflection formula, be used to generate the effect of high light reflectivity
Fruit, can be by most of incident ray along backtracking, as described in this specific embodiment 13.
The equilateral triangle microprism array structure of retro-reflection formula described in this specific embodiment 13, the micro-structure
Texture, by the prism of corner cube for the equilateral triangle that the apex angle scaled off on regular cube is 90 degree, according to following figure 31
Mode arranges.Two neighboring cube-corner microprisms arrange face-to-face.The cube-corner microprisms of 6 equilateral triangles are first arranged in one
The unit of a positive 6 side shape, the micro-structure texture of large area is just arranged according to these positive 6 side shape units one by one, such as Figure 32
It is shown.
A kind of mobile phone shell with optical effects, the inside of the plastic casing as described in this specific embodiment 13
The index path of the computer simulation of the micro-structure texture of surface setting is as shown in figure 33, and incident ray is with the arrow penetrates in figure
Line, 1311 be micro-structure texture described in this specific embodiment.It can be seen that incident ray is substantially parallel with reflection light, along
The same optical path, it is only contrary, reflection light along incident ray backtracking, it is unrelated with the refractive index of material.
In conclusion the plastic casing inner surface is set the invention discloses a kind of mobile phone shell with optical effects
The micro-structure texture set, other than micro-structure texture disclosed in above-mentioned specific embodiment.There are also one-dimensional gradual change, two dimensions for it gradually
The grating microstructure texture of change；And the micro-nano structure composition of other bionical, imitative article surfaces.It is used to generate one-dimensional gradual change
Rainbow effect, two-dimensional graded rainbow effect；The coloured silk of imitative article surface (wood grain, dermatoglyph, woven design, metal wire-drawing line, stone pattern etc.)
Rainbow line visual effect.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (31)
1. a kind of mobile phone shell with optical microstructures texture, which is characterized in that the mobile phone shell includes stacking gradually fitting
Plastic casing, transparent optical cement, reflectance coating and black glue, the inner surface of the plastic casing are provided with micro-structure texture, institute
The reflectance coating is close to by transparent optical cement in the lower section for stating micro-structure texture, and the reflectance coating is described for reflecting incident light
Black glue is black oil lamella, is protected for black shading；
The micro-structure texture is one-dimensional or two-dimensional directional cyclic array grating microstructure texture；Or for one-dimensional gradual change,
Two-dimensional graded grating microstructure texture；Or for annular, spiral shape, 4 in shape, 6 shape, polygonal arrangement micro-structure line
Reason；Or for visually have amplification and the Fresnel line of reduction capability, ring grain micro-structure texture, retro-reflection formula pyramid rib
Mirror microstructure texture；Or to be made of the micro-nano structure of bionical, imitative article surface.
2. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that it is described it is one-dimensional gradually
Become, two-dimensional graded grating microstructure texture is respectively used to generate the rainbow effect of one-dimensional distribution, Two dimensional Distribution；It is described it is one-dimensional gradually
Become, two-dimensional graded grating microstructure texture is respectively used to generate one-dimensional gradual change, two-dimensional graded rainbow effect；The annular,
Spiral shape, 4 in shape, 6 shape, polygonal arrangement micro-structure texture be respectively used to generate the rainbow effect, spiral of annular
Rainbow effect, 4 while shape rainbow effect, 6 while the rainbow effect of shape, the rainbow effect of polygon, fragmentarily array rainbow
Effect；The micro-structure texture that the micro-nano structure by bionical, imitative article surface forms is used to generate the rainbow of imitative article surface
The rainbow holography effect of line visual effect and specific pattern.
3. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the micro-structure
Texture is micro-nano structure, and the size of the wiener structure and period are several times of zero point of visible wavelength to hundred times, between tens
The magnitude of nanometer to several hundred microns.
4. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the micro-structure
Texture has diffraction to the reflection of white light, to generate rainbow effect.
5. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the plastic housing
The inner surface of body is directly coated with reflecting coating layer.
6. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the plastic housing
The material of body is PC, ABS, PET, nylon or PMMA, with a thickness of 0.4-0.6mm.
7. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the black glue
With a thickness of 10 to 100nm nanometers.
8. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the reflectance coating
Be coated with color, the reflectance coating with a thickness of 1 to 15 micron.
9. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the plastic housing
The inner surface of body is provided with the periodic micro-structure texture of one-dimensional square, which is with optical diffraction effect
Grating texture.
10. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the micro-structure texture are the periodic grating structure that cross sectional shape is sinusoidal waveform, edge
The transverse direction of mobile phone shell arranged, it is slightly arc-shaped.
11. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the micro-structure Texture-period be in tens nanometers between several hundred microns, depth be several to receive
Rice is between tens microns.
12. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the micro-structure texture are the periodicity of arc.
13. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the micro-structure texture are height boss/groove period optical grating construction, the plastic casing
Lower surface be provided with height boss/groove periodic micro structure texture of vertical bar shaped, which is by multistage arc
Face is formed by connecting by facet, and multistage cambered surface constitutes reflection-type grating, and reflected light is formed perpendicular to the straight of the grain direction
Rainbow line.
14. a kind of mobile phone shell with optical microstructures texture according to claim 13, which is characterized in that the vertical bar
Height boss/groove periodic micro structure texture of shape, the micro-structure Texture-period are between 30 nanometers to 500 microns, deeply
Degree is between 10 nanometers to 250 microns.
15. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the micro-structure texture are visually to have the one-dimensional periodicity for zooming in or out effect straight
Line Fresnel line structure.
16. a kind of mobile phone shell with optical microstructures texture according to claim 15, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the width of the straight grain Fresnel Lenses in micro-structure texture each period are 5 to 10 millimeters
Between, tooth width is located at between 50 nanometers to 500 microns in each period, serration depth be 5 nanometers to 250 microns it
Between.
17. a kind of mobile phone shell with optical microstructures texture according to claim 15, which is characterized in that the plastics
The straight grain Fresnel line structure of case inside surface setting, straight grain Fresnel line each period of structure are a straight grain phenanthrene alunite
Your lens, the straight grain Fresnel line structural profile contour line are jagged fresnel contours line, every section of serrated wheel profile it is oblique
Face angle gradient, to the vertical bar shaped hot spot visually zoomed in or out is formed after light reflection, for convex Fresnel line, reflection
Light visually forms the shaped laser spot of amplification effect；For recessed Fresnel line, reflection light, which forms visually to have, to be reduced
The shaped laser spot of effect.
18. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction is the micro-structure texture of two-dimensional directional periodic arrangement.
19. a kind of mobile phone shell with optical microstructures texture according to claim 18, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction is the ring grain Fresnel Lenses texture of two-dimensional array, and the micro-structure texture is luxuriant and rich with fragrance by several ring grains
Nie Er lens are formed according to X and Y both direction is staggered.
20. a kind of mobile phone shell with optical microstructures texture according to claim 19, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction, the spacing of the two neighboring ring grain Fresnel Lenses of the micro-structure texture be 10,000 microns extremely
Between 10 millimeters；The tooth width of single Fresnel Lenses is between 5 nanometers to 500 microns, and serration depth is 5 nanometers to 250
Between micron.
21. a kind of mobile phone shell with optical microstructures texture according to claim 9, which is characterized in that described one-dimensional
The periodic micro-structure texture in direction is the micro-structure texture of "the" shape broken line shape arrangement.
22. a kind of mobile phone shell with optical microstructures texture according to claim 21, which is characterized in that described one-dimensional
The spacing of two neighboring "the" shape broken line is tens nanometers between several hundred microns in the periodic micro-structure texture in direction,
The width of "the" shape broken line is also between 5 nanometers to 500 microns, the depth of "the" shape broken line be 5 nanometers to 250 microns it
Between.
23. a kind of mobile phone shell with optical microstructures texture according to claim 1, which is characterized in that the plastics
Case inside surface is provided with the periodic micro-structure texture of two-dimensional directional, which is with optical diffraction effect
Grating texture.
24. a kind of mobile phone shell with optical microstructures texture according to claim 23, which is characterized in that the two dimension
The periodic micro-structure texture in direction is the micro-structure texture of two-dimentional semi-circular shape arrangement, by the platform of several micron order semi-circular shapes
Rank is composed, and each semicircular step is to lower recess or protruding upward, and the spacing of adjacent two rows of semicircle steps is between several
Ten nanometers between several hundred microns, the depth of semi-circular shape step is between several nanometers to tens microns.
25. a kind of mobile phone shell with optical microstructures texture according to claim 23, which is characterized in that the two dimension
The periodic micro-structure texture in direction is the micro-structure texture of hexagonal array, combined by the step of several micron order hexagons and
At the step of, each hexagon to lower recess or protruding upward, the spacing of adjacent two rows hexagon steps between tens nanometers extremely
Between several hundred microns, the depth of hexagon step is between several nanometers to tens microns.
26. a kind of mobile phone shell with optical microstructures texture according to claim 23, which is characterized in that the two dimension
The periodic micro-structure texture in direction is the micro-structure texture of square arrangement, combined by the step of many micron order squares and
At the step of, each square to lower recess or protruding upward, the spacing of adjacent two rows square steps between tens nanometers extremely
Between several hundred microns, the depth of square step is between several nanometers to tens microns.
27. a kind of mobile phone shell with optical microstructures texture according to claim 23, which is characterized in that the two dimension
The periodic micro-structure texture in direction is set as the composite microstructure texture of two-dimensional directional irregular alignment, and the two-dimensional directional is not
Regularly arranged composite microstructure texture is blocky by the polygon of several irregular alignments and interior carves the micro- of stripe grating
Structural texture composition.
28. a kind of mobile phone shell with optical microstructures texture according to claim 27, which is characterized in that each described
Irregular polygon size be to open and set on the inside of block-like irregular polygonized structure between tens microns to several millimeters
Be equipped with the periodic linear grating of no specific direction, the period be in tens nanometers between several hundred microns, depth be several receive
Rice is between tens microns.
29. a kind of mobile phone shell with optical microstructures texture according to claim 23, which is characterized in that the two dimension
The periodic micro-structure texture in direction is the micro-structure texture with multilayer steps, the rainbow holography of irregular alignment, micro- knot
Structure texture number of steps be 1 rank, 2 ranks, 4 ranks, 6 ranks, 8 ranks, 16 ranks ..., 2n rank, the step with a thickness of 1/4 wavelength, 1/2
Wavelength, 1 wavelength, 6 × 1/4 wavelength, 8 × 1/4 wavelength, 16 × 1/4 wavelength of wavelength ... 2n × 1/4, wherein n is positive integer.
30. a kind of mobile phone shell with optical microstructures texture according to claim 23, which is characterized in that the two dimension
The periodic micro-structure texture in direction is the microprism array structure of retro-reflection formula, and the microprism array structure is for generating height
The effect of light reflection, by most of incident ray along backtracking.
31. a kind of mobile phone shell processing method with optical microstructures texture, which is arranged on the inside of plastic casing,
Processing method are as follows:
The method that mechanical Precision Machining or photoetching are directly done on the inlaid piece of mould of mobile phone shell, micro-structure texture is processed
Finish, then direct injection molding, then the finished product by forming mobile phone shell after transparent optical cement, reflectance coating and black glue fitting.
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