CN110281682A

CN110281682A - Film layer structure and preparation method thereof, casing mechanism and electronic equipment

Info

Publication number: CN110281682A
Application number: CN201910679707.2A
Authority: CN
Inventors: 邱惊龙
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2019-09-27
Anticipated expiration: 2039-07-25
Also published as: CN110281682B

Abstract

The present invention relates to a kind of film layer structure and preparation method thereof, casing mechanism and electronic equipments.The film layer structure includes substrate and ink ribbon unit, ink ribbon unit includes non-black layer and black layer, and the side of substrate is arranged in non-black layer, and side of the non-black layer far from substrate is arranged in black layer, ink ribbon unit has transition region, the depth gradual change of black of the black layer at transition region.The pattern of above-mentioned film layer structure is abundant.

Description

Film layer structure and preparation method thereof, casing mechanism and electronic equipment

Technical field

The present invention relates to field of electronic device, more particularly to a kind of film layer structure and preparation method thereof, casing mechanism and Electronic equipment.

Background technique

With the multifarious development of electronic equipment, more stringent requirements are proposed for appearance of the user to electronic equipment.Such as The appearance of what promotion electronic equipment is the research direction of industry common concern.The appearance of shell directly affects electronics and sets Standby appearance.Some researchs are by changing the material of shell to promote the appearance of shell, for example, by using metal material Or ceramic material.However, such mode obtains the style sheet one of shell.

Summary of the invention

Based on this, it is necessary to provide a kind of pattern film layer structure abundant.

In addition, also providing a kind of preparation method of film layer structure, casing mechanism and electronic equipment.

A kind of film layer structure characterized by comprising

Substrate；And

Ink ribbon unit, including non-black layer and black layer, the side of the substrate is arranged in the non-black layer, described black The side of the non-black layer far from the substrate is arranged in chromatograph, and the ink ribbon unit has transition region, and the black layer exists The depth gradual change of black at the transition region.

Above-mentioned film layer structure includes substrate and ink ribbon unit, and ink ribbon unit includes non-black layer and black layer, non-black layer It is arranged on substrate, so that film layer structure has the color effects of non-black, non-black layer is arranged in far from substrate in black layer Side, ink ribbon unit have transition region, the depth gradual change of black of the black layer at transition region, so that film layer structure is in transition region The effect of color gradient is presented in place, and pattern is abundant.

The depth of black of the black layer at the transition region is linear from shallow to deep gradually in one of the embodiments, Become.

The depth of black of the black layer at the transition region is from the transition region in one of the embodiments, The extrorse direction in middle part gradually rises.

The ink ribbon unit also has color area in one of the embodiments, and the black layer is at the color area Black constant depth, the transition region around the color area be arranged.

The depth of black of the black layer at the transition region is remote from the transition region in one of the embodiments, It is gradually risen on direction from the color area.

The color area is connect with the transition region in one of the embodiments,.

The black layer is multiple in one of the embodiments, and multiple black layers are cascading described Side of the non-black layer far from the substrate, the gradual manner of the depth of black of each black layer at the transition region It is identical.

The transition region is multiple in one of the embodiments, multiple transition region interval settings.

The transition region is two in one of the embodiments, one of them described transition region is around described in another Transition region setting.

The ink ribbon unit also has colour band area in one of the embodiments, and the black layer is at the colour band area Black constant depth, the colour band area is located between two transition regions.

It in one of the embodiments, further include membrane material and texture layer, the membrane material covers the black layer far from described The side of non-black layer, the texture layer are arranged in the membrane material, and are located at side of the membrane material far from the black layer, Orthographic projection of the texture layer on the ink ribbon unit covers the transition region.

The texture layer has multiple the first parallel raised lines and multiple parallel second convex in one of the embodiments, Item, multiple first raised lines and multiple second raised lines are arranged alternately, and the height of each second raised line is less than each The height of first raised line.

Adjacent first raised line and second raised line splicing in one of the embodiments,.

Each first raised line is on the extending direction perpendicular to first raised line in one of the embodiments, The shape in section is triangle or trapezoidal；

And/or the shape in section of each second raised line on the extending direction perpendicular to second raised line is Triangle is trapezoidal.

It in one of the embodiments, further include reflector element, the reflector element covers the texture layer far from described The side of membrane material.

It in one of the embodiments, further include ink layer, the ink layer covers the reflector element far from the line Manage the side of layer.

A kind of preparation method of film layer structure, includes the following steps:

Non-black layer is formed on substrate；And

Black layer is formed on the non-black layer, the black layer is located at one of the non-black layer far from the substrate Side forms ink ribbon unit, and the ink ribbon unit has transition region, and the depth of black of the black layer at the transition region is gradually Become, obtains film layer structure.

Described the step of forming non-black layer on the substrate includes: using colour band heat in one of the embodiments, Transfer printing process forms the non-black layer on the substrate；

And/or described includes: using colour band caloric transfer printing technology in institute the step of forming black layer on the non-black layer It states and forms the black layer on non-black layer.

It is described after the step of forming black layer on the non-black layer in one of the embodiments, further include as Lower step: being arranged the membrane material stacked gradually and texture layer on side of the ink ribbon unit far from the substrate, and makes described Membrane material covers side of the black layer far from the non-black layer, and makes positive throwing of the texture layer on the ink ribbon unit Shadow covers the transition region.

Described be arranged on side of the ink ribbon unit far from the substrate stacks gradually in one of the embodiments, Membrane material and the step of texture layer include:

Texture layer is formed in the side of the membrane material；And

Side by the membrane material far from the texture layer is bonded with the ink ribbon unit far from the side of the substrate.

It include: in one of the embodiments, in the membrane material the step of forming the texture layer in the membrane material Form multiple parallel the first raised lines and multiple the second parallel raised lines, obtain the texture layer, multiple first raised lines with Multiple second raised lines are arranged alternately, and the height of second raised line is less than the height of first raised line.

A kind of casing mechanism, comprising:

Substrate；And

The film layer structure that the preparation method of above-mentioned film layer structure or above-mentioned film layer structure is prepared, the film layer structure It is arranged on the substrate, and the substrate is arranged close to the substrate.

A kind of electronic equipment, comprising:

Above-mentioned casing mechanism,

Indication mechanism is connect with the casing mechanism, and installation is limited between the indication mechanism and the casing mechanism Space；And

Circuit board is arranged in the installation space and is electrically connected with the indication mechanism.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the electronic equipment of an embodiment；

Fig. 2 is the structural schematic diagram of casing mechanism shown in FIG. 1；

Fig. 3 is schematic cross-section of the casing mechanism shown in Fig. 2 along II-II line；

Fig. 4 is the schematic cross-section of ink ribbon unit in casing mechanism shown in Fig. 3；

Fig. 5 is the schematic cross-section of substrate in casing mechanism shown in Fig. 3；

Fig. 6 is the schematic cross-section of membrane material in casing mechanism shown in Fig. 3；

Fig. 7 is the structural schematic diagram of texture layer in casing mechanism shown in Fig. 3；

Fig. 8 is schematic cross-section of the texture layer shown in Fig. 7 along line A-A；

Fig. 9 is the schematic cross-section of reflector element in casing mechanism shown in Fig. 3；

Figure 10 is the schematic cross-section of the texture layer of the casing mechanism of another embodiment；

Figure 11 is the structural schematic diagram of the texture layer of the casing mechanism of another embodiment；

Figure 12 is schematic cross-section of the texture layer shown in Figure 11 along line B-B；

Figure 13 is the schematic cross-section of the reflector element of the casing mechanism of another embodiment；

Figure 14 is local pictorial diagram of the casing mechanism at the transition region in part colour band area and circular colour band area；

Figure 15 is pictorial diagram of the casing mechanism at color area, the transition region connecting with color area and part colour band area.

Specific embodiment

To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating It is thorough comprehensive.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.

In following implementation, if not otherwise specified, colour band concentration is the percentage of the number of print point.It needs to illustrate , print density can be calculated according to colour band concentration and the resolution ratio of colour band.The resolution ratio of colour band refers to per inch colour band institute table The number of pixels reached.Print density, that is, printing precision is indicated in Dot Per Inch.Specifically, colour band concentration multiplied by The resolution ratio of colour band obtains print density.For example, colour band concentration is 100%, the resolution ratio of colour band is 600DPI, then print density For 600DPI.

As shown in Figure 1, the electronic equipment of an embodiment includes casing mechanism 10 and indication mechanism 20.Indication mechanism 20 with Casing mechanism 10 connects.When electronic equipment operates normally, indication mechanism 20 being capable of display pattern.Indication mechanism 20 and casing mechanism Installation space (not shown) is limited between 10.Electronic equipment further includes circuit board (not shown).Circuit board control circuit can Controlling electronic devices operates normally.Circuit board setting is electrically connected in installation space, and with indication mechanism 20.

Further, electronic equipment is the various equipment that can be obtained data from outside and be handled the data, or Person, it is various to be built-in with battery, and can be from the external equipment for obtaining electric current and charging to the battery.Electronic equipment for example can be with For mobile phone, tablet computer, calculate equipment or device for display of message etc..In the illustrated embodiment, electronic equipment is mobile phone.Shell machine Structure 10 is the rear cover of mobile phone.Indication mechanism 20 and casing mechanism 10 are affixed.

Referring to Fig. 2, casing mechanism 10 includes substrate 10a.

Substrate 10a is transparency glass plate.It should be noted that substrate 10a is not limited to transparency glass plate, or thoroughly Bright plastic plate.

The shape of substrate 10a is bar shaped in one of the embodiments,.It should be noted that the shape of substrate 10a is unlimited In for bar shaped, or other shapes can according to need and be configured.

In one of the embodiments, substrate 10a with a thickness of 0.5nm~0.7nm.

Fig. 3~4 are please referred to, casing mechanism 10 further includes film layer structure 100.Film layer structure 100 is arranged in substrate 10a On.Film layer structure 100 includes substrate 110 and ink ribbon unit 120.Ink ribbon unit 120 includes non-black layer 122 and black layer 124. The side of substrate 110 is arranged in non-black layer 122.Side of the non-black layer 122 far from substrate 110 is arranged in black layer 124.Color Tape cell 120 has transition region 125.The depth gradual change of black of the black layer 124 at transition region 125.

Above-mentioned film layer structure 100 includes substrate 110 and ink ribbon unit 120, and ink ribbon unit 120 has film layer structure 100 There are color effects, ink ribbon unit 120 includes non-black layer 122 and black layer 124, and non-black layer 122 is arranged on substrate 110, So that film layer structure 100 has the color effects of non-black, one of non-black layer 122 far from substrate 110 is arranged in black layer 124 Side, ink ribbon unit 120 have transition region 125, the depth gradual change of black of the black layer 124 at transition region 125, so that film layer knot The effect of color gradient is presented in structure 100 at transition region 125, and pattern is abundant.

The shape of substrate 110 is bar shaped in one of the embodiments,.Further, the extending direction and base of substrate 110 The extending direction of bottom 10a is substantially parallel.It should be noted that the shape of substrate 110 is not limited to bar shaped, or other shapes Shape can according to need and be configured.

Referring to Fig. 5, substrate 110 includes the explosion-proof layer 112 and adhesive layer being stacked in one of the embodiments, 114.Adhesive layer 114 makes substrate 110 have viscosity, can be Nian Jie with other component.Further, explosion-proof layer 112 is PET Layer.The material of adhesive layer 114 is OCA.It should be noted that explosion-proof layer 112 is not limited to the above-mentioned material pointed out, it can also be it His material.The material of adhesive layer 114 is not limited to above-mentioned point out material, or other materials.In a specific example, base Material 110 is bar shaped.

In one of the embodiments, explosion-proof layer 112 with a thickness of 21 μm~25 μm.Adhesive layer 114 with a thickness of 15 μm ~25 μm.Further, explosion-proof layer 112 with a thickness of 23 μm.Adhesive layer 114 with a thickness of 15 μm.

Ink ribbon unit 120 covers side of the explosion-proof layer 112 far from adhesive layer 114 in one of the embodiments,.Further Ground, non-black layer 122 cover side of the explosion-proof layer 112 far from adhesive layer 114.Further, ink ribbon unit 120 is completely covered Side of the explosion-proof layer 112 far from adhesive layer 114.In the illustrated embodiment, non-black layer 122 and explosion-proof layer 112 are far from adhesive layer 114 side is completely coincident.It should be noted that non-black layer 122 is not limited to one far from adhesive layer 114 with explosion-proof layer 112 Side is completely coincident, and non-black layer 122 can also partially cover side of the explosion-proof layer 112 far from adhesive layer 114.At this point, black layer 144 can be completely covered non-black layer 122, and cover side of the explosion-proof layer 112 far from adhesive layer 114.

The permeability of non-black layer 122 is higher, and the light transmittance of non-black layer 122 is higher than black layer 124, and light can penetrate Non-black layer 122.The color of non-black layer 122 is blue, green, red, purple or yellow in one of the embodiments,. It should be noted that being, the color of non-black layer 122 is not limited to the above-mentioned color pointed out, or other colors.

Non-black layer 122 is formed by the colour band of non-black in one of the embodiments,.Further, non-black is formed The colour band of layer 122 is the colour band of CMYK colour system.C is Cyan (cyan)；M is Magenta (carmetta)；Y is Yellow (yellow) Yellow；K is black.Such setting is so that the fineness with higher of non-black layer 122 and resolution ratio, so that film layer structure 100 With fine and smooth color effects.Number of pixels expressed by resolution ratio, that is, per inch.Specifically, the color of non-black layer 122 is formed Band is the colour band of Japanese fuji CMYK colour system, resolution ratio 600DPI.It should be noted that forming the colour band of non-black layer 122 It is not limited to the above-mentioned colour band pointed out, can also be other colour bands, can be selected according to actual needs.

The constant depth of the color of non-black layer 122 in one of the embodiments,.Further, non-black layer 122 Colour band constant concentration.Further, the colour band concentration of non-black layer 122 is 100%.

Non-black layer 122 is multiple in one of the embodiments,.Multiple non-black layers 122 are cascading in base The side of material 110.Further, multiple non-black layers 122 are cascading in explosion-proof layer 112 one far from adhesive layer 114 Side.Further, the depth of the color of each non-black layer 122 is identical.Specifically, the colour band of each non-black layer 122 is dense It spends identical.In the illustrated embodiment, non-black layer 122 is seven.The color of each non-black layer 122 is blue.It is each non-black The colour band concentration of chromatograph 122 is 100%.

The light transmittance of black layer 124 is lower, has shaded effect.The depth of black of the black layer 124 at transition region 125 Gradual change.Such setting so that film layer structure 100 has the color effects of gradual change in transition region 125, and makes black layer 124 Light transmittance gradual change at transition region 125.It should be noted that the depth of black is higher, light transmittance is lower, and the depth of black is got over Low, light transmittance is higher.In the illustrated embodiment, black layer 124 is completely coincident with non-black layer 122.It should be noted that black Layer 124 is not limited to be completely coincident with non-black layer 122, and black layer 124 can also partially cover non-black layer 122.

Black layer 124 is formed by the colour band of black in one of the embodiments,.Further, black layer 124 is formed Colour band is the colour band of CMYK colour system.Such setting is so that the fineness with higher of black layer 124 and resolution ratio, so that film layer knot Structure 100 has fine and smooth color effects.Specifically, the colour band for forming black layer 124 is the colour band of Japanese fuji CMYK colour system, point Resolution is 600DPI.It should be noted that the colour band for forming non-black layer 122 is not limited to the above-mentioned colour band pointed out, can also be Other colour bands can be selected according to actual needs.

The depth gradual change from shallow to deep of black of the black layer 124 at transition region 125 in one of the embodiments,.Into One step, the depth of black of the black layer 124 at transition region 125 linear gradient from shallow to deep.It is such to be arranged so that black layer 124 light transmittance at transition region 125 linear gradient from high to low.Further, black layer 124 is at transition region 125 Colour band concentration linear gradient from shallow to deep, so that the depth of black of the black layer 124 at transition region 125 is linear from shallow to deep gradually Become.It should be noted that colour band concentration is higher, the depth of black is higher, and light transmittance is lower；Colour band concentration is lower, the depth of black Degree is lower, and light transmittance is higher.

The depth of black of the black layer 124 at transition region 125 is from transition region 125 in one of the embodiments, The extrorse direction in portion gradually rises.Further, the depth of black of the black layer 124 at transition region 125 is from transition region 125 The extrorse dimension linear in middle part increase.Further, transition region 125 is annular.Black layer 124 is at transition region 125 Dimension linear of the depth from ring to outside ring of black increase.Such setting is so that film layer structure 100 is presented in transition region 125 The annular region of color gradient.Specifically, colour band concentration of the black layer 124 at transition region 125 is linearly increased to from 0.1% 100%.It should be noted that colour band concentration of the black layer 124 at transition region 125 is not limited to linearly be increased to from 0.1% 100%, or be increased to 80% from 10%, 90% can be increased to 30%, can according to need and be configured.

More specifically, the width of transition region 125 is 3mm~10mm.It should be noted that the width of transition region 125 is unlimited In for 3mm~10mm, it can according to need and be configured.In a specific example, the width of transition region 125 is 3mm.It needs Illustrate, the width of transition region 125 is not limited to 3mm, or 4mm or 6mm can also be 10mm.It can basis Actual needs is configured.It should be noted that the width of transition region 125 is wider, the raised amplitude of colour band concentration is slower, black The raised amplitude of depth it is slower, the amplitude that light transmittance of the black layer 124 at transition region 125 reduces is faster.

Ink ribbon unit 120 further includes color area 126.The constant depth of black of the black layer 124 at color area 126.Into One step, the depth of black of the black layer 124 at color area 126 is more than or equal to black layer 124 at transition region 125 The maximum value of the depth of black.It is such setting so that black layer 124 at color area 126 and at transition region 125 have it is different Color effects and different light transmittances.Further, colour band constant concentration of the black layer 124 at color area 126.Black layer The 124 colour band concentration at color area 126 is more than or equal to the maximum of colour band concentration of the black layer 124 at transition region 125 Value.

Transition region 125 is arranged around color area 126.The depth of black of the black layer 124 at transition region 125 is from transition region It is gradually risen on 125 directions far from color area 126.Further, color area 126 is connect with transition region 125.Implement in diagram In example, color area 126 is bar shaped.Transition region 125 is around color area 126.Colour band concentration of the black layer 124 at color area 126 It is 100%.It should be noted that colour band concentration of the black region at color area 126 is not limited to 100%, or 80% Or 90% etc., it can be configured according to actual needs.

Transition region 125 is multiple in one of the embodiments,.The setting of multiple intervals of transition region 125.Such setting, makes The different zones for obtaining casing mechanism 10 have the effect of color gradient.Further, transition region 125 is two, one of them is gradually Become area 125 to be arranged around another transition region 125.Further, ink ribbon unit 120 has colour band area 128.Colour band area 128 Between two transition regions 125.Specifically, colour band area 128 is arranged around one of transition region 125.More specifically, colour band Area 128 is annular.Colour band area 128 is arranged around one of transition region 125.

Colour band area 128 is connect with transition region 125 in one of the embodiments,.Further, colour band area 128 and phase Adjacent transition region 125 is all connected with.

The constant depth of black of the black layer 124 at colour band area 128 in one of the embodiments,.Further, black Colour band constant concentration of the chromatograph 124 at colour band area 128.Further, colour band of the black layer 124 at colour band area 128 is dense Degree is greater than or equal to the maximum value of colour band concentration of the black layer 124 at transition region 125.It is such to be arranged so that black layer 124 exists Colour band area 128 and transition region 125 have different color effects and different light transmittances.Specifically, black layer 124 is in colour band area Colour band concentration at 128 is 90%~100%.More specifically, colour band concentration of the black layer 124 at colour band area 128 is 100%.

Black layer 124 is multiple in one of the embodiments,.Multiple black layers 124 are cascading in non-black 122 side far from substrate 110 of layer.The gradual manner of the depth of black of each black layer 124 at transition region 125 is identical. Further, in each black layer 124, transition region 125 is two.The interval setting of two transition regions 125.One of transition region 125 are arranged around another transition region 125.Two transition regions 125 are ring-type.Black layer 124 is at two transition regions 125 Dimension linear of the colour band concentration from ring to outside ring increases, and colour band concentration of the black layer 124 at two transition regions 125 is equal 100% is linearly increased to from 0%.One of transition region 125 is arranged around color area 126, and connects with color area 126 without interval It connects.Colour band area 128 is one.Colour band area 128 is ring-type.Colour band area 128 is located between two transition regions 125, and gradually with two Become area 125 to be all connected with.Further, two transition regions 125 is of different size.Such setting is so that two transition regions 125 Colour band concentration elevation amplitude is different, so that different fade effects is presented two transition regions 125 in film layer structure 100.

In the illustrated embodiment, black layer 124 is two.Colour band concentration in every layer of black layer 124, in color area 126 It is 100%.Colour band concentration in colour band area 128 is 100%.The width for the transition region 125 connecting with color area 126 is 3mm；? For at 0~2mm, the colour band concentration of black layer 124 is in color area 126 at a distance from the edge in color area 126 on this transition region 125 20% is linearly increased to from 0.1% on the direction in colour band area 128；On this transition region 125 with the edge in color area 126 Distance is at 2mm~3mm, and the colour band concentration of black layer 124 is in direction of the color area 126 in colour band area 128 from 20% line Property is increased to 100%.Width around the transition region 125 in colour band area 128 is 6mm；On this transition region 125 with colour band area 128 The distance at edge be at 0~4mm, the colour band concentration of black layer 124 color area 126 on the direction in colour band area 128 from 0.1% is linearly increased to 40%；It is black layer at 4mm~6mm at a distance from the edge in colour band area 128 on this transition region 125 124 colour band concentration is linearly increased to 100% from 40% on the direction in colour band area 128 in color area 126.

It should be noted that black layer 124 is not limited to above-mentioned point out in the variation pattern of the colour band concentration of transition region 125 Mode, or other linear change modes can according to need and be configured.

Film layer structure 100 further includes membrane material 130 and texture layer 140.Membrane material 130 covers black layer 124 far from non-black layer 122 side.Texture layer 140 is arranged in membrane material 130, and is located at side of the membrane material 130 far from black layer 124.Texture layer 140 Orthographic projection on ink ribbon unit 120 covers transition region 125.

Membrane material 130 can increase the mechanical performance of film layer structure 100.Texture layer 140 has brightening effect, texture layer 140 Orthographic projection on ink ribbon unit 120 covers transition region 125, so that film layer structure 100 is in texture layer 140 in ink ribbon unit 120 On orthographic projection shinny effect, and brightness gradual change is presented with the place of superposition of transition region 125 so that the pattern of film layer structure 100 Abundant, appearance power is preferable.

The shape of membrane material 130 is bar shaped in one of the embodiments,.Further, the extending direction and base of membrane material 130 The extending direction of bottom 10a is substantially parallel.It should be noted that the shape of membrane material 130 is not limited to bar shaped, or other shapes Shape can according to need and be configured.

Referring to Fig. 6, membrane material 130 includes the functional layer 132 and gluing being cascading in one of the embodiments, Layer 134.Adhesive layer 134 covers side of the black layer 124 far from non-black layer 122.The setting of functional layer 132 is remote in adhesive layer 134 Side from ink ribbon unit 120.Further, functional layer 132 is that (Polyethylene terephthalate gathers to benzene PET Diformazan acids plastics) layer.The material of adhesive layer 134 is OCA (Optically Clear Adhesive, optical cement).It needs Bright, functional layer 132 is not limited to the above-mentioned material pointed out, can also be other materials.The material of adhesive layer 134 is not limited to It states and points out material, or other materials.In the illustrated embodiment, membrane material 130 is bar shaped plate.Further, membrane material 130 Extending direction it is parallel with the extending direction of substrate 110.

In one of the embodiments, functional layer 132 with a thickness of 48 μm~52 μm.Adhesive layer 134 with a thickness of 20 μm ~30 μm.Further, functional layer 132 with a thickness of 50 μm.Adhesive layer 134 with a thickness of 25 μm.

Texture layer 140 has refraction effect and pattern effect, so that shinny effect is presented in film layer structure 100.

Transition region 125 is completely covered in orthographic projection of the texture layer 140 on ink ribbon unit 120 in one of the embodiments,. Such setting, so that film layer structure 100 all has shinny effect in entire transition region 125.It should be noted that black layer The 124 colour band concentration in transition region 125 is higher, and light transmittance of the black layer 124 in transition region 125 is lower, and film layer structure 100 is gradually The brightness become at area 125 is lower；Colour band concentration of the black layer 124 in transition region 125 is lower, and black layer 124 is in transition region 125 Light transmittance is higher, and brightness of the film layer structure 100 at transition region 125 is higher.

Further, when transition region 125 is multiple, orthographic projection covering of the texture layer 140 on ink ribbon unit 120 is multiple gradually Become area 125.Shinny effect is presented so that film layer structure 100 all has higher brightness at each transition region 125 in such setting Fruit.It should be noted that the amplitude of variation of light transmittance of the black layer 124 at each transition region 125 is different, the shinny effect of presentation Fruit is also different.Further, ink ribbon unit 120 is completely covered far from base in orthographic projection of the texture layer 140 on ink ribbon unit 120 The side of material 110.It is such to be arranged to the equal brightening effect in each region of ink ribbon unit 120, since black layer 124 is in color area The light transmittance of light transmittance, black layer 124 at colour band area 128 at 126 is respectively less than or is equal to black layer 124 in transition region 125 The minimum light transmittance at place, so that average brightness of the film layer structure 100 at transition region 125 is greater than film layer structure 100 in color area Brightness at 126 and at colour band area 128, so that color gradient and local shinny effect is presented in film layer structure 100.

In the illustrated embodiment, side of the membrane material 130 far from ink ribbon unit 120 is completely covered in texture layer 140.Ink ribbon unit 120 are completely coincident in the orthographic projection of texture layer 140 with texture layer 140.Since transition region 125 is annular, so that film layer structure 100 The shinny region for having the effect of annular.

Please refer to Fig. 7~8, texture layer 140 has multiple the first parallel raised lines 142 and multiple parallel second convex Item 144.Multiple first raised lines 142 and multiple second raised lines 144 are arranged alternately.The height of each second raised line 144 is less than each The height of first raised line 142.The difference in height of second raised line 144 and the first raised line 142 makes the second raised line 144 and the first raised line 142 pairs of light have different refraction effects and different brightening effects.When converting visual angle, the second raised line 144 and first is convex The difference in height of item 142 is able to achieve the visual effect of different brightness, and contrast is high, can preferably set off the shinny effect in part.

Adjacent first raised line 142 and the splicing of the second raised line 144 in one of the embodiments,.It is such to be arranged so that first Without interval between raised line 142 and the second raised line 144, the brightening effect of texture layer 140 can be increased, increase texture layer 140 in color Orthographic projection on tape cell 120 and the brightness at the superposition of transition region 125, additionally it is possible to increase the knot of texture layer 140 Yu membrane material 130 With joint efforts.

Each first raised line 142 cutting on the extending direction perpendicular to the first raised line 142 in one of the embodiments, The shape in face is triangle.Further, each first raised line 142 cutting on the extending direction perpendicular to the first raised line 142 The shape in face is isosceles triangle.Such setting, so that texture layer 140 has sense of depth, brightening effect is good.Further, The shape in section of each first raised line 142 on the extending direction perpendicular to the first raised line 142 is equilateral triangle.

Each second raised line 144 cutting on the extending direction perpendicular to the second raised line 144 in one of the embodiments, The shape in face is triangle.Further, each second raised line 144 cutting on the extending direction perpendicular to the second raised line 144 The shape in face is isosceles triangle.Such setting, so that texture layer 140 has sense of depth, brightening effect is good.Further, The shape in section of each second raised line 144 on the extending direction perpendicular to the second raised line 144 is equilateral triangle.

The difference in height of the first raised line 142 and the second raised line 144 is 2 μm~4 μm in one of the embodiments,.First is convex The height of item 142 be the first side of the raised line 142 far from membrane material 130 to functional layer 132 far from 134 side of adhesive layer away from From.The height for defining the first raised line 142 is H1.The height of second raised line 144 is one of the second raised line 144 far from membrane material 130 Distance of the side to functional layer 132 far from 134 side of adhesive layer.The height for defining the second raised line 144 is H2.Further, 8 H1 μm~10 μm.H2 is 5 μm~7 μm.

The width of the first raised line 142 is equal with the width of the second raised line 144 in one of the embodiments,.Such setting, Enable texture layer 140 that more uniform grain effect is presented.The width for defining the first raised line 142 is D1.It is convex to define second The width of item 144 is D2.Further, D1 is 6 μm~10 μm.D2 is 6 μm~10 μm.

Each first raised line 142 is triangular prism shaped in one of the embodiments,.One side of each first raised line 142 Facing towards membrane material 130.Each second raised line 144 is triangular prism shaped.One side of each second raised line 144 is towards membrane material 130. In the illustrated embodiment, each first raised line 142 has first side 142a and two second side 142b.First side 142a Towards membrane material 130.Two second side 142b are equal with the angle that first side 142a is formed.First raised line 142 and second convex Item 144 is parallel.Each second raised line 144 has third side 144a and two the 4th side 144b.Third side 144a direction Membrane material 130.Two the 4th side 144b are equal with the angle that third side 144a is formed.The intersecting lens of two second side 142b Distance to first side 142a is greater than the intersecting lens of two the 4th side 144b to the distance of third side 144a.

Such setting can be mentioned by the difference in height of the first raised line 142 and the second raised line 144 to improve the reflection to light The brightening effect of high texture layer 140 increases reason layer 140 at the superposition of orthographic projection and transition region 125 on ink ribbon unit 120 Brightness.

The distance of the intersecting lens of two second side 142b to first side 142a are H1.Two the 4th side 144b's The distance of intersecting lens to third side 144a are H2.Further.H1 is greater than H2.The difference of H1 and H2 is 2 μm~4 μm.This Kind setting improves the brightening effect of texture layer 140.The width of first side 142a and third side in one of the embodiments, The width of 144a is equal.The width of first side 142a is D1.The width of third side 144a is D2.

The angle for defining the extending direction of the first raised line 142 and the extending direction of membrane material 130 is A1.An implementation wherein In example, A1 is 85 °~95 °.Such setting, so that the texture layer from the angle of extending direction for being approximately perpendicular to membrane material 130 140 brightness is higher.In the illustrated embodiment, A1 is 90 °.It should be noted that A1 be not limited to it is above-mentioned point out angular range, It can also be configured according to actual needs at other angles.

Texture layer 140 is formed in membrane material 130 by UV transfer printing process in one of the embodiments,.Further, make With the UV glue (Ultraviolet Rays) with light-cured performance, the texture on special die is transferred to first base material 110 On, to form texture layer 140 in first base material 110.

Fig. 3 and Fig. 9 are please referred to, film layer structure 100 further includes reflector element 150 in one of the embodiments,.Instead It penetrates unit 150 and covers side of the texture layer 140 far from membrane material 130.Reflector element 150 has brightening effect, can increase film layer The brightness of structure 100.Further, side of the texture layer 140 far from membrane material 130 is completely covered in reflector element 150.Further Ground, reflector element 150 are completely coincident with texture layer 140.It should be noted that reflector element 150 be not limited to it is complete with texture layer 140 Full weight is closed, and reflector element 150 can also partially cover texture layer 140, and texture layer 140 can also be completely covered in reflector element 150 And part covering membrane material 130.

Reflector element 150 includes adhesive layer 151, first refractive layer 153 and the second refracting layer in one of the embodiments, 155.Side of the texture layer 140 far from membrane material 130 is arranged in adhesive layer 151, and the setting of first refractive layer 153 is remote in adhesive layer 151 Side of the first refractive layer 153 far from adhesive layer 151 is arranged in side from texture layer 140, the second refracting layer 155.Second folding The refractive index for penetrating layer 155 is greater than the refractive index of first refractive layer 153.

By the way that adhesive layer 151 is arranged reflector element 150 is securely joined with texture layer 140, first refractive layer 153 and second refracting layer 155 combination so that reflector element 150 have reflecting effect, light is reflexed in membrane material 130, To increase the brightness of film layer structure 100.

The refractive index of first refractive layer 153 is 0.68~0.72 in one of the embodiments,.Second refracting layer 155 Refractive index is 2.55~2.76.Such be provided with is conducive to improve reflection of the reflector element 150 to light, improves the first film layer component 100 brightness.Further, first refractive layer 153 is indium layer.Second refracting layer 155 is titanium dioxide layer, titanium pentoxide layer Or niobium pentaoxide layer.So that reflector element 150 has preferable reflecting effect, brightening effect is good for such setting.

Adhesive layer 151 is alumina layer or silicon dioxide layer in one of the embodiments,.Such be provided with is conducive to improve The adhesive force of reflector element 150 guarantees the stability of film layer structure 100.

Reflector element 150 further includes wall 157 in one of the embodiments,.Wall 157 is arranged in first refractive Between layer 153 and the second refracting layer 155.Wall 157 is alumina layer or silicon dioxide layer.Wall 157 and adhesive layer 151 In conjunction with first refractive layer 153 can be protected, the oxidation of first refractive layer 153 is reduced.

Further, adhesive layer 151 be alumina layer, adhesive layer 151 with a thickness of 30nm~40nm.First refractive layer 153 be indium layer, first refractive layer 153 with a thickness of 10nm~30nm.Wall 157 is alumina layer, the thickness of wall 157 For 30nm~40nm.Second refracting layer 155 be titanium dioxide layer, the second refracting layer 155 with a thickness of 3nm~7nm.It needs to illustrate , the thickness of first refractive layer 153 is thicker, and the reflecting effect of reflector element 150 is better, and brightening effect is better.But first The thickness of refracting layer 153 is thicker, is more oxidized easily.The first refractive layer 153 of above-mentioned setting can guarantee reflector element 150 Brightening effect also can reduce the oxidation of first refractive layer 153.

Further, first refractive layer 153 with a thickness of 10nm~20nm.Such setting can guarantee reflector element 150 Brightening effect, can also protect first refractive layer 153, reduce the oxidation of first refractive layer 153.

Form reflector element 150 on texture layer 140 by way of electronics vapor deposition in one of the embodiments,.It needs Illustrate, it can also be it that the mode that reflector element 150 is formed on texture layer 140, which is not limited to the above-mentioned mode pointed out, His plated film mode, such as magnetron sputtering.

Referring to Fig. 3, film layer structure 100 further includes ink layer 160 in one of the embodiments,.Ink layer 160 Cover side of the reflector element 150 far from texture layer 140.Ink layer 160 has bridging effect, and can be avoided into film layer The light of structure 100 is passed through from ink layer 160, with and show texture layer 140.Further, ink layer 160 is completely covered instead Penetrate side of the unit 150 far from texture layer 140.Further, ink layer 160 is completely coincident with reflector element 150.It needs Bright, ink layer 160 is not limited to be completely coincident with reflector element 150, and ink layer 160 can also partially cover reflector element 150。

In one of the embodiments, ink layer 160 with a thickness of 5 μm~24 μm.Such setting can be effectively prevented from Light passes through ink layer 160, enables and is reflected into the light in film layer structure 100 by reflector element 150 or by ink Layer 160 absorbs.

Ink layer 160 is formed on texture layer 140 using silk-screen printing technique in one of the embodiments,.Further Ground repeatedly prints ink material on texture layer 140 using silk-screen printing technique and obtains ink layer 160.Specifically, printing Number is three times.Print every time with a thickness of 5 μm~8 μm.It should be noted that the number of printing is not limited to three times, it can also be with For that twice, can also be four times, it can according to need and set.Wherein, ink material is low-temperature printing ink.Low-temperature printing ink exists The ink that can be dried under lower temperature.Further, drying temperature is 80 DEG C~90 DEG C.

The film layer structure 100 of above-mentioned casing mechanism 10 includes substrate 110 and ink ribbon unit 120, and ink ribbon unit 120 makes film Layer structure 100 has color effects, and ink ribbon unit 120 includes non-black layer 122 and black layer 124, and the setting of non-black layer 122 exists On substrate 110, so that film layer structure 100 has the color effects of non-black, the setting of black layer 124 is separate in non-black layer 122 The side of substrate 110, ink ribbon unit 120 have transition region 125, and the depth of black of the black layer 124 at transition region 125 is gradually Become, so that the effect of color gradient is presented in film layer structure 100 at transition region 125, pattern is abundant.

Further, the film layer structure 100 of above-mentioned casing mechanism 10 further includes membrane material 130 and texture layer 140, membrane material 130 The mechanical performance of film layer structure 100 can be increased, texture layer 140 has brightening effect, and texture layer 140 is on ink ribbon unit 120 Orthographic projection cover transition region 125 so that orthographic projection and gradual change of the film layer structure 100 in texture layer 140 on ink ribbon unit 120 Shinny effect, and brightness gradual change are presented at the superposition in area 125 so that the pattern of film layer structure 100 is abundant, appearance power compared with It is good.

Furthermore in the film layer structure 100 of above-mentioned casing mechanism 10, ink ribbon unit 120 further includes color area 126 and colour band area 128, since colour band concentration, black layer 124 colour band concentration colour band area 128 at of the black layer 124 at color area 126 is big In maximum colour band concentration of the black layer 124 at transition region 125, so that film layer structure 100 has different color effects, appearance Effect is abundant, and appearance power is preferable.Further, the setting in color area 126 and colour band area 128, so that black layer 124 is in face The light transmittance of light transmittance, black layer 124 at colour band area 128 at color area 126 is respectively less than or is equal to black layer 124 in gradual change Minimum light transmittance at area 125, so that average brightness of the film layer structure 100 at transition region 125 is greater than film layer structure 100 in face Brightness at color area 126 and at colour band area 128, so that color gradient and local shinny effect is presented in film layer structure 100；And And since transition region 125 is annular, so that the effect in the shinny region of annular is presented in film layer structure 100.

In the film layer structure 100 of above-mentioned casing mechanism 10, texture layer 140 has brightening effect, the resolution of ink ribbon unit 120 Rate is higher, and the superposition of ink ribbon unit 120 and texture layer 140 is so that film layer structure 100 has color, shinny and resolution ratio higher Effect, pattern effect is abundant, and appearance is preferable.

To sum up, above-mentioned casing mechanism 10 includes having the effect of color gradient, shinny film layer structure 100, appearance Preferably, the thinner thickness of film layer structure 100, so that casing mechanism 10 can be used in preparation and there is the electronics of preferable appearance to set It is standby, such as the cell phone rear cover suitable for 3D radian lower than 4.0mm.

It is appreciated that colour band area 128 is not limited to one, or multiple.At this point, multiple colour band areas 128 with it is multiple Transition region 125 is arranged alternately, so that each colour band area 128 is between adjacent transition region 125.

It is appreciated that the depth of black of the black layer 124 at transition region 125 is not limited to line gradual change from shallow to deep, it can also With by being deep to shallow gradual change, can also first line gradual change from shallow to deep again by being deep to shallow gradual change.

It is appreciated that the depth of black of the black layer 124 at transition region 125 is not limited to from ring the direction line to outside ring Property increase, can also dimension linear from ring to outside ring reduce.

It is appreciated that transition region 125 be not limited to it is multiple, or one.When transition region 125 is one, transition region 125 are arranged around color area 126, and colour band area 128 is arranged around transition region 125.It is appreciated that when transition region 125 is one, color Zone 128 can be omitted.

It is appreciated that the shape of transition region 125 is not limited to annular, or bar shaped or circle, it can be according to need It is configured.At this point, color area 126 can be connect with transition region 125, it can also be not connected to, can according to need and set It sets.When the shape of transition region 125 is bar shaped, the depth of black of the black layer 124 at transition region 125 is not limited to from transition region The extrorse direction in 125 middle part gradually rises, can also be gradually decreased from one end of transition region 125 to the direction of the other end or Person gradually increases, and can also be colour band concentration of the black layer 124 at transition region 125 from a side of transition region 125 to the other side Direction gradually decrease or gradually increase.When the shape of transition region 125 is round, color of the black layer 124 at transition region 125 It gradually decreases or gradually increases to the direction at the edge of transition region 125 from the center of transition region 125 with concentration.

It is appreciated that color area 126 and colour band area 128 can be omitted.At this point, ink ribbon unit 120 is far from substrate 110 Side is transition region 125, and orthographic projection of the texture layer 140 on ink ribbon unit 120 is completely coincident with ink ribbon unit 120.

It is appreciated that orthographic projection of the texture layer 140 on ink ribbon unit 120 is not limited to that transition region 125 is completely covered.Texture 140 orthographic projection on ink ribbon unit 120 of layer can also with the weight completely of transition region 125 and；At this point, texture layer 140 is to transition region 125 have brightening effect.Texture layer 140 may be located in transition region 125 in the orthographic projection on ink ribbon unit 120；At this point, texture There is brightening effect in layer 140 pairs of parts transition region 125.

It is appreciated that the first raised line 142 and the second raised line 144 are not limited to triangular prism shaped, the first raised line 142 and second is convex Item 144 or other shapes, such as: fold-line-shaped, wave linear shape or arc-shaped etc..

It is appreciated that the shape in section of each first raised line 142 on the extending direction perpendicular to the first raised line 142 is not It is limited to for triangle, each second raised line 144 is not limited to triangle in the shape perpendicular to the section on the second raised line 144, Referring to Fig. 10, the casing mechanism of another embodiment is roughly the same with the casing mechanism 10 of above embodiment, difference It is, the shape in section of first raised line 242 on the extending direction perpendicular to the first raised line 242 is trapezoidal, the second raised line 244 It is trapezoidal in the shape perpendicular to the section on the second raised line 244.The height of each first raised line 242 is H1 '.Each second is convex The height of item 244 is H3 '.The width of each first raised line 242 is D1 '.The width of each second raised line 244 is D2 '.H1 ' is 8 μm~10 μm.H2 ' is 5 μm~7 μm.D1 ' is 6 μm~10 μm.D2 ' is 6 μm~10 μm.

In the illustrated embodiment, the shape in section of first raised line 242 on the extending direction perpendicular to the first raised line 242 For isosceles trapezoid, the second raised line 244 is isosceles trapezoid in the shape perpendicular to the section on the second raised line 244.

It is appreciated that adjacent first raised line 142 and the second raised line 144 are not limited to gapless setting, adjacent first raised line 142 Setting can also be spaced with the second raised line 144.

It is appreciated that texture layer 140 is not limited to above-mentioned setting, it can also be other set-up modes, such as: it please refers to Figure 11~12, the casing mechanism of another embodiment and the casing mechanism 10 of above embodiment are roughly the same, and difference exists In texture layer 340 has multiple raised line group 340a.Each raised line group 340a includes parallel and splicing the first raised line 342 and the Two raised lines 344.The height of each first raised line 342 is greater than the height of the second raised line 344.First raised line 342 and the second raised line 344 Structure it is identical as the structure of the first raised line 142 and the second raised line 144, specific as detailed above, details are not described herein again.

The multiple interval raised line group 340a settings in one of the embodiments,.And the first raised line of each raised line group 340a 342 is parallel.In the illustrated embodiment, multiple raised line group 340a can also be arranged in arrays.

Further, the first raised line 342 in each raised line group 340a and the second raised line 344 are multiple, and multiple first Raised line 342 and multiple second raised lines 344 are arranged alternately.It should be noted that 342 He of the first raised line in each raised line group 340a Second raised line 344 can be two, can also be three, can according to need and be configured.It should be noted that each The number of the first raised line 342 and the second raised line 344 in raised line group 340a can be equal, can also be unequal, can be according to need It is configured.

The setting of above-mentioned texture layer 340 can make film layer structure that shinny effect be presented, and cooperate with ink ribbon unit so that film Layer structure has color, the higher effect of shinny and resolution ratio, and appearance is preferable.

It is appreciated that multiple raised line group 340a are not limited to above-mentioned set-up mode, it can also be other set-up modes, example Such as: multiple raised line group 340a are arranged along the extending direction interval perpendicular to the first raised line 342.

It is appreciated that the structure of reflector element 150 is not limited to the above-mentioned structure pointed out, it can also be other structures, please join Figure 13 is read, the casing mechanism of another embodiment and the casing mechanism 10 of above embodiment are roughly the same, the difference is that, Reflector element 250 is roughly the same with the structure of reflector element 150, the difference is that, reflector element 250 further includes third reflect Layer 259.Third reflect layer 259 is between adhesive layer 251 and first refractive layer 253.The refractive index of third reflect layer 259 is greater than The refractive index of first refractive layer 253.Such setting passes through third reflect layer 259, first refractive layer 253 and the second refracting layer 155 Cooperation, the brightening effect of reflector element 250 can be further increased.Further, the refractive index of third reflect layer 259 is 2.55~2.76.Further, third reflect layer 259 is titanium dioxide layer, titanium pentoxide layer or niobium pentaoxide layer.

Reflector element 250 further includes the first protective layer 252 and the second protective layer 254 in one of the embodiments,.First Protective layer 252 is between first refractive layer 253 and third reflect layer 259.Second protective layer 254 is located at first refractive layer 253 Between the second refracting layer 155.First protective layer 252 is alumina layer or silicon dioxide layer.Second protective layer 254 is aluminium oxide Layer or silicon dioxide layer.First refractive layer 253 can be protected by the first protective layer 252 of setting and the second protective layer 254, it can Reduce the oxidation of first refractive layer 253, additionally it is possible to increase the mechanical strength of reflector element 250.

Further, adhesive layer 251 be silicon dioxide layer, adhesive layer 251 with a thickness of 8nm~12nm.Third reflect layer 259 be titanium pentoxide layer, third reflect layer 259 with a thickness of 7nm~17nm.First protective layer 252 is silicon dioxide layer, the One protective layer 252 with a thickness of 10nm~20nm.First refractive layer 253 be indium layer, first refractive layer 253 with a thickness of 10nm~ 20nm.Second protective layer 254 be silicon dioxide layer, the second protective layer 254 with a thickness of 20nm~30nm.Second refracting layer 155 For titanium pentoxide layer, the second refracting layer 155 with a thickness of 5nm~9nm.Such setting can reduce first refractive layer 253 Oxidation increases the mechanical strength of reflector element 250.

It is appreciated that reflector element 150 can be omitted.At this point, ink layer 160 covers texture layer 140.

It is appreciated that ink layer 160 can be omitted.At this point it is possible to observe 20 He of indication mechanism from casing mechanism 10 The structure of circuit board.

It is appreciated that membrane material 130, texture layer 140, reflector element 150 and ink layer 160 can be omitted, at this point, film layer Structure 100 includes substrate 110 and ink ribbon unit 120, and film layer structure 100 has the effect of color gradient.

Please again together refering to fig. 1~9, in addition, the preparation method of the film layer structure 100 of above embodiment, can make It is standby that there is pattern film layer structure 100 abundant.Specifically, the preparation method of film layer structure 100 include the following steps S110~ S120:

S110, non-black layer 122 is formed on substrate 110.

It should be noted that the structure of substrate 110 and non-black layer 122 refers to above description, details are not described herein again.

The step of forming non-black layer 122 on substrate 110 in one of the embodiments, includes: to be turned using colour band heat Print technique forms non-black layer 122 on substrate 110.Further, it is formed on substrate 110 using colour band caloric transfer printing technology non- During black layer 122, the non-black layer 122 of corresponding color effect is transferred out on substrate 110 by computer program control. Further, formed non-black layer 122 colour band be CMYK colour system colour band specifically, the colour band for forming non-black layer 122 is Japanese fuji CMYK colour system colour band.The resolution ratio of the colour band is 600DPI, and fineness is higher, is conducive to improve film layer structure 100 Appearance.

It should be noted that colour band transfer is higher to environmental requirement, needs to carry out in hundred grades of environment, be fallen to avoid environment Dirt and the bad problem such as cause serious white point and bright spot.

Transfer temperature is 60 DEG C~70 DEG C in one of the embodiments,.The transfer time of each non-black layer 122 is 2s ~3s.

S120, black layer 124 is formed on non-black layer 122, black layer 124 is located at non-black layer 122 far from substrate 110 Side, formed ink ribbon unit 120, ink ribbon unit 120 have transition region 125, black of the black layer 124 at transition region 125 Depth gradual change, obtain film layer structure 100.

It should be noted that the structure of black layer 124 refers to above description, details are not described herein again.

It in one of the embodiments, include: using colour band heat the step of forming black layer 124 on non-black layer 122 Transfer printing process forms black layer 124 on non-black layer 122.Further, using colour band caloric transfer printing technology in non-black layer 122 During upper formation black layer 124, controls colour band concentration as needed by computer program and transfer out different color effects Fruit obtains the black layer 124 with the region of different colours effect.Such as: colour band concentration is controlled in ladder by computer program Degree variation forms the black layer 124 with the region of depth gradual change of black, so that ink ribbon unit 120 has transition region 125；Or Person controls colour band constant concentration by computer program and forms the black layer 124 with the constant depth of black, so that colour band list Member 120 has colour band area 128 or color area 126.It should be noted that colour band transfer is higher to environmental requirement, need hundred It is carried out in grade environment, the bad problem such as cause serious white point and bright spot to avoid environment dust fall.

Further, the colour band for forming black layer 124 is CMYK colour system colour band.Specifically, the color of black layer 124 is formed Band is Japanese fuji CMYK colour system colour band.The resolution ratio of the colour band is 600DPI, and fineness is higher, is conducive to improve film layer structure 100 appearance.

Transfer temperature is 60 DEG C~70 DEG C in one of the embodiments,.The transfer time of each black layer 124 be 2s~ 3s。

It further include in color in one of the embodiments, after the step of forming black layer 124 on non-black layer 122 The step of protective film is attached on side of the tape cell 120 far from substrate 110.It can be to ink ribbon unit 120 by attaching protective film Play the role of temporarily protecting.

It further include as follows in one of the embodiments, after the step of forming black layer 124 on non-black layer 122 Step: the membrane material 130 stacked gradually and texture layer 140 are set on side of the ink ribbon unit 120 far from substrate 110, and make film Material 130 covers side of the black layer 124 far from non-black layer 122, and makes orthographic projection of the texture layer 140 on ink ribbon unit 120 Cover transition region 125.

It should be noted that the specific structure of membrane material 130 and texture layer 140 is as detailed above, details are not described herein again.

Further, the membrane material 130 stacked gradually and texture are set on side of the ink ribbon unit 120 far from substrate 110 The step of layer 140 includes S130~S140:

S130, texture layer 140 is formed in membrane material 130.

It include: to be existed using UV transfer printing process in the step of forming texture layer 140 in membrane material 130 in implementing at wherein one Texture layer 140 is formed in membrane material 130.It further, will using the UV glue (Ultraviolet Rays) with light-cured performance Texture on special die is transferred in membrane material 130, to form texture layer 140 in membrane material 130.

It should be noted that being not limited to form texture layer 140 in membrane material 130, line can also be formed with using commercially available Manage the membrane material 130 of layer 140.Further, the energy of UV transfer is 500mj/cm²~1000mj/cm²。

Wherein one implement in, in membrane material 130 formed texture layer 140 the step of include: in membrane material 130 formed it is more A the first parallel raised line 142 and multiple the second parallel raised lines 144, obtain texture layer 140, multiple first raised lines 142 with it is more A second raised line 144 is arranged alternately, the height of the height of the second raised line 144 less than the first raised line 142.It should be noted that the The specific structure of one raised line 142 and the second raised line 144 is as detailed above, and details are not described herein again.

Further, include S131~S132 the step of forming texture layer 140 in membrane material 130:

S131, provide the mold with textured pattern, textured pattern have multiple the first parallel protrusions with it is multiple parallel Second protrusion, it is multiple first protrusion be arranged alternately with multiple second protrusions.Textured pattern can mutually be nibbled with texture layer 140 It closes.

It should be noted that the texture layer of different structure can be prepared by the mold with different texture pattern.

S131 includes S1311~S1312 in one of the embodiments:

S1311, master mold with texture is prepared, the texture of master mold is identical as the texture of texture layer 140.

Specifically, it using CNC board, is processed, is obtained with texture on idler wheel in a manner of 6 knife simultaneous processings Master mold.

S1312, by the texture replication to mold of master mold, form textured pattern, obtain the mold with textured pattern.

Wherein, mold is PC plate (polycarbonate plate).

It further, is Roll to Roll by the mode in the texture replication to mold of master mold.Roll to Roll is i.e.: Texture on idler wheel circumferential surface is directly imprinted to the surface of mold.

S132, UV glue is coated on the mold with textured pattern, adjacent first is raised and second is convex so that UV glue is located at Between rising, the UV glue on mold is transferred in membrane material 130, solidifies, obtains texture layer 140.

Further, the energy of UV transfer is 500mj/cm²~1000mj/cm²。

It further include in texture layer in one of the embodiments, after the step of forming texture layer 140 in membrane material 130 The step of reflector element 150 are formed on 140.Further, on texture layer 140 formed reflector element 150 electronics vapor deposition or Person's sputtering.

It specifically, include: that successively layer is formed on texture layer 140 the step of forming reflector element 150 on texture layer 140 Folded adhesive layer 151, first refractive layer 153 and the second refracting layer 155, obtains reflector element 150.The folding of first refractive layer 153 Penetrate refractive index of the rate less than the second refracting layer 155.Enable reflector element 150 and texture layer 140 by the way that adhesive layer 151 is arranged It is securely joined with, the combination of first refractive layer 153 and the second refracting layer 155, so that reflector element 150 has reflecting effect, with Light is reflexed in membrane material 130, there is brightening effect.Further, it is formed on texture layer 140 by electronics evaporation process Adhesive layer 151, first refractive layer 153 and the second refracting layer 155 stacked gradually forms reflector element 150.

The refractive index of first refractive layer 153 is 0.68~0.72 in one of the embodiments,.Second refracting layer 155 Refractive index is 2.55~2.76.Further, first refractive layer 153 is indium layer.Second refracting layer 155 is titanium dioxide layer, five Aoxidize Tritanium/Trititanium or niobium pentaoxide layer.Such setting is so that reflector element 150 has preferable reflecting effect.

Adhesive layer 151 is alumina layer or silicon dioxide layer in one of the embodiments,.

It include: in one of the embodiments, in texture layer 140 the step of forming reflector element 150 on texture layer 140 It is upper to form adhesive layer 151, first refractive layer 153, wall 157 and the second refracting layer 155 stacked gradually, obtain reflector element 150.Wall 157 is alumina layer or silicon dioxide layer.Wall 157 is combined with adhesive layer 151 can protect first refractive Layer 153 reduces the oxidation of first refractive layer 153.Further, it is formed successively on texture layer 140 by way of electronics vapor deposition Adhesive layer 151, first refractive layer 153, wall 157 and the second refracting layer 155 of stacking form reflector element 150.

Specifically, adhesive layer 151 be alumina layer, adhesive layer 151 with a thickness of 30nm~40nm.First refractive layer 153 For indium layer, first refractive layer 153 with a thickness of 10nm~30nm.Wall 157 be alumina layer, wall 157 with a thickness of 30nm~40nm.Second refracting layer 155 be titanium dioxide layer, the second refracting layer 155 with a thickness of 3nm~7nm.It needs to illustrate It is that the thickness of first refractive layer 153 is thicker, the reflecting effect of reflector element 150 is better, and the brightness of texture layer 140 is higher.But The thickness of first refractive layer 153 is thicker, is more oxidized easily.The first refractive layer 153 of above-mentioned setting can guarantee reflector element 150 brightening effect also can reduce the oxidation of first refractive layer 153.

It further include anti-in one of the embodiments, after the step of forming reflector element 150 on texture layer 140 The step of forming ink layer 160, is penetrated on unit 150.Further, the mode of formation ink layer 160 is on reflector element 150 Silk-screen printing.Further, ink layer 160 with a thickness of 5 μm~24 μm.

Further, ink material is repeatedly printed on texture layer 140 using silk-screen printing technique and obtains ink layer 160.Specifically, the number of printing is three times.Print every time with a thickness of 5 μm~8 μm.It should be noted that the number of printing It is not limited to three times, or twice, can also be four times, can according to need and set.Wherein, ink material is low temperature Ink.Low-temperature printing ink is the ink that can be dried at a lower temperature.Further, drying temperature is 80 DEG C~90 DEG C.

The texture layer 140, reflector element 150 and oil stacked gradually is formed in membrane material 130 in one of the embodiments, After the step of layer of ink 160, further include the steps that attaching protective film far from the side of reflector element 150 in ink layer 160.Pass through Protective film is attached to play a part of temporarily to protect to ink layer 160.

S140, the side by membrane material 130 far from texture layer 140 are bonded with ink ribbon unit 120 far from the side of substrate 110.

Specifically, adhesive layer 134 is bonded with the black layer 124 farthest away from substrate 110.

Substrate 110 is equipped with the first aligned portions in one of the embodiments,.Membrane material 130 is equipped with opposite with the first aligned portions The second aligned portions answered.S140 includes: that the first aligned portions are opposite with the second aligned portions, and by ink ribbon unit 120 and membrane material 130 fittings, so that transition region 125 is fallen on texture layer 140 in the orthographic projection on texture layer 140.By the way that the first aligned portions are arranged With the second aligned portions, the transition region 125 of black layer 124 is precisely aligned with texture layer 140, so that texture layer 140 exists Orthographic projection on ink ribbon unit 120 can cover transition region 125.

The preparation method of above-mentioned film layer structure 100 forms ink ribbon unit 120 by colour band transfer printing process on substrate 110, Ink ribbon unit 120 makes film layer structure 100 have color effects, and ink ribbon unit 120 includes non-black layer 122 and black layer 124, Non-black layer 122 is arranged on substrate 110, so that film layer structure 100 has the color effects of non-black, black layer 124 is arranged In side of the non-black layer 122 far from substrate 110, ink ribbon unit 120 has transition region 125, and black layer 124 is in transition region 125 The depth gradual change of the black at place, so that the effect of color gradient is presented in film layer structure 100 at transition region 125, pattern is abundant.

Further, the preparation method of above-mentioned film layer structure 100 in membrane material 130 by forming texture layer 140, by membrane material 130 are bonded with ink ribbon unit 120, and transition region 125 is fallen on texture layer 140 in the orthographic projection on texture layer 140, is made Film layer structure 100 present in orthographic projection of the texture layer 140 on ink ribbon unit 120 with the place of superposition of transition region 125 it is shinny Effect, and brightness gradual change, so that the pattern of film layer structure 100 is abundant, appearance power is preferable.

The general main process of offset printing process are as follows: four-colors offset printing (i.e. intaglio printing) directly prints the depth on diaphragm Different blue regions；UV is carried out again to transfer to form texture；Electron gun evaporation plated film is carried out on texture, forms silicon titanium brightness enhancement film System；Carry out silk-screen printing is fastened in silicon titanium brightness enhancement film, obtains ink layer 160.However, forming the coarse of pattern using offset printing process Degree is higher, and sophistication is poor, and single layer offset printing scheme has limitation to the design of UV texture, and the depth of UV texture cannot be too deep (no more than 10 μm), the color effects after plated film are bad, luminance shortage.

In the preparation method of above-mentioned film layer structure 100, by forming texture layer 140 in membrane material 130, make it possible to basis Need to be arranged texture layer 140, and by will be formed with the substrate 110 of ink ribbon unit 120 and be formed with the membrane material of texture layer 140 130 fitting can be improved the color satiety of film layer structure 100, the resolution of the ink ribbon unit 120 of colour band transfer printing process preparation Rate is higher, and fineness is preferable, the good bonding strength of texture layer 140 and membrane material 130, can pass through the texture of different in width and height So that different brightening effects is presented in film layer structure 100.

To sum up, the film layer structure 100 that the preparation method of above-mentioned film layer structure 100 obtains, which is presented, has graduated colors and brightness The effect of gradual change, obtained film layer structure 100 can be used in preparation have preferable appearance electronic equipment, such as suitable for 3D radian is lower than the cell phone rear cover of 4.0mm.

It is appreciated that adhesive layer 134 also can be omitted.By coating bonding agent in functional layer 132, by ink ribbon unit 120 are bonded with membrane material 130.

It is appreciated that texture layer 140 is not limited to above-mentioned setting, it can also be other set-up modes, such as: please refer to Figure 11 ~12, the casing mechanism of another embodiment and the casing mechanism 10 of above embodiment are roughly the same, the difference is that, line Managing layer 340 has multiple raised line group 340a.Each raised line group 340a includes parallel and splicing the first raised line 342 and the second raised line 344.The height of each first raised line 342 is greater than the height of the second raised line 344.The structure of first raised line 342 and the second raised line 344 Identical as the structure of the first raised line 142 and the second raised line 144, specific as detailed above, details are not described herein again.

It is appreciated that the mode for forming reflector element 150 is not limited to aforesaid way, Figure 13, another embodiment are please referred to Casing mechanism it is roughly the same with the casing mechanism 10 of above embodiment, the difference is that, on texture layer formed reflection The step of unit 250 includes: the adhesive layer 251, third reflect layer 259, first refractive layer for being formed and being stacked gradually on texture layer 253 and second refracting layer 255, obtain reflector element 250.The refractive index of third reflect layer 259 is greater than the folding of first refractive layer 253 Penetrate rate.It, can be into one by the cooperation of third reflect layer 259, first refractive layer 253 and the second refracting layer 255 in such setting Step improves the brightening effect of reflector element 250.Further, the refractive index of third reflect layer 259 is 2.55~2.76.More into one Step ground, third reflect layer 259 are titanium dioxide layer, titanium pentoxide layer or niobium pentaoxide layer.

Further, the adhesive layer 251, third reflect layer 259, first refractive layer stacked gradually is formed on texture layer 253 and second refracting layer 255, the step of obtaining reflector element 250 includes: the attachment for being formed and being stacked gradually on texture layer 140 Layer 251, third reflect layer 259, the first protective layer 252, first refractive layer 253, the second protective layer 254 and the second refracting layer 255. First protective layer 252 is alumina layer or silicon dioxide layer.Second protective layer 254 is alumina layer or silicon dioxide layer.Pass through The first protective layer 252 and the second protective layer 254, which is arranged, can protect first refractive layer 253, to reduce the oxygen of first refractive layer 253 Change, additionally it is possible to increase the mechanical strength of reflector element 250.

Specifically, adhesive layer 251 be silicon dioxide layer, adhesive layer 251 with a thickness of 8nm~12nm.Third reflect layer 259 For titanium pentoxide layer, third reflect layer 259 with a thickness of 7nm~17nm.First protective layer 252 be silicon dioxide layer, first Protective layer 252 with a thickness of 10nm~20nm.First refractive layer 253 be indium layer, first refractive layer 253 with a thickness of 10nm~ 20nm.Second protective layer 254 be silicon dioxide layer, the second protective layer 254 with a thickness of 20nm~30nm.Second refracting layer 255 For titanium pentoxide layer, the second refracting layer 255 with a thickness of 5nm~9nm.Such setting can reduce first refractive layer 253 Oxidation increases the mechanical strength of reflector element 250.

In addition, also providing the preparation method of the casing mechanism 10 of an embodiment, the preferable shell of appearance can be prepared Body mechanism 10.The preparation method of casing mechanism 10 includes the following steps: for substrate 10a to be bonded with film layer structure 100, so that substrate 110 is opposite with substrate 10a, obtains casing mechanism 10.

Further, the protective film being attached on adhesive layer 114 is removed, substrate 10a is fitted in adhesive layer 114, is obtained Casing mechanism 10.

It further include to fitting after the step of substrate 10a is bonded with film layer structure 100 in one of the embodiments, There is the substrate 10a of film layer structure 100 to carry out deaeration processing.Further, the mode of deaeration processing is vacuum defoamation.Further Ground, deaeration temperature are 45 DEG C~55 DEG C.Pressure is 7kg~12kg.Inclined heated plate is 30min~50min.Specifically, when deaeration Between be 40min.

In one of the embodiments, to be fitted with film layer structure 100 substrate 10a carry out deaeration processing the step of it Afterwards, further include following steps: cutting is fitted with the substrate 10a of film layer structure 100.The shell machine of required size is obtained by cutting Structure 10.Further, the mode of cutting is radium-shine.Further, one is fitted with the substrate 10a system of film layer structure 100 At 6~8 casing mechanisms 10.It should be noted that it is not limited to for the substrate 10a that one is fitted with film layer structure 100 to be made 6~ 1 casing mechanism 10 can also be made in the substrate 10a that one is fitted with film layer structure 100 by 8 casing mechanisms 10, can be with 10 casing mechanisms 10 are made in the substrate 10a that one is fitted with film layer structure 100, can according to need and be configured.

The following are specific embodiment parts:

Unless otherwise instructed, in following embodiment, the ink material of ink layer is commercially available PET low-temperature printing ink, dry temperature Degree is 80 DEG C~90 DEG C.Colour band used in colour band transfer printing process is Japanese fuji CMYK colour system colour band.According to above S131 The operation of~S132 forms texture layer on side of the functional layer far from adhesive layer by UV transfer printing process.The color of non-black layer Band concentration is 100%, and non-black layer is blue.

Embodiment 1

As shown in figure 1-9, preparation process is as follows for the structure of the casing mechanism of the present embodiment:

(1) substrate is TP23E0 rupture pressure disc (being purchased from SKC company).Substrate includes the explosion-proof layer being cascading and bonding Layer.The material of explosion-proof layer is PET.Explosion-proof layer with a thickness of 21 μm.Adhesive layer with a thickness of 15 μm.Existed by colour band transfer printing process On explosion-proof layer formed seven layers of non-black layer stacked gradually, by colour band transfer printing process on the non-black layer farthest away from substrate shape The black layer stacked gradually at two layers forms ink ribbon unit.In every layer of black layer, the colour band concentration in color area is 100%.? The colour band concentration in colour band area is 100%.The width for the transition region connecting with color area is 3mm；On this transition region with color area Edge distance be 0~2mm at, the colour band concentration of black layer is increased on the direction in colour band area from 0% in color area 20%；For at 2mm~3mm, the colour band concentration of black layer is leaned in color area at a distance from the edge in color area on this transition region 100% is linearly increased to from 20% on the direction of advancing coloud nearside zone.Width around the transition region in colour band area is 6mm；In this gradual change The distance at the edge in Qu Shangyu colour band area is at 0~4mm, and the colour band concentration of black layer is in color area on the direction in colour band area 40% is increased to from 0%；It is the colour band concentration of black layer at 4mm~6mm at a distance from the edge in colour band area on this transition region 100% is increased to from 40% on the direction in colour band area in color area.Transfer temperature is 60 DEG C.The transfer of each non-black layer Time is 2s.The transfer time of each black layer is 2s.

(2) membrane material is HP12 rupture pressure disc (being purchased from SKC company).Membrane material includes the functional layer and gluing being cascading Layer.The material of functional layer is PET.Functional layer with a thickness of 48 μm.The material of adhesive layer is OCA.Adhesive layer with a thickness of 20 μm. Texture layer is formed on side of the functional layer far from adhesive layer by UV transfer printing process.A1 is 85 °.D1 is 6 μm.D2 is 6 μm.H1 It is 8 μm.H2 is 6 μm.The energy of UV transfer is 500mj/cm²。

(3) using electronics evaporation process formed on texture layer the adhesive layer stacked gradually, first refractive layer, wall and Second refracting layer, obtains reflector element.Adhesive layer is alumina layer, adhesive layer with a thickness of 30nm.First refractive layer is indium layer, First refractive layer with a thickness of 10nm.Wall is alumina layer, wall with a thickness of 30nm.Second refracting layer is titanium dioxide Titanium layer, the second refracting layer with a thickness of 3nm.

(4) ink material is printed on the second refracting layer using silk-screen printing technique, forms ink layer.The number of printing is Three times.Print every time with a thickness of 5 μm.

(5) ink ribbon unit is bonded with adhesive layer, so that orthographic projection of the texture layer on ink ribbon unit and ink ribbon unit are complete Full weight is closed, and film layer structure is obtained.

(6) substrate is bonded with adhesive layer, vacuum defoamation processing, radium-shine cutting obtains casing mechanism.Substrate is transparent glass Glass substrate.Substrate with a thickness of 0.5nm.Deaeration temperature is 45 DEG C.Pressure is 7kg.Inclined heated plate is 30min.

Embodiment 2

The structure of the casing mechanism of the present embodiment is roughly the same with embodiment 1, the difference is that: each ruler of casing mechanism Very little difference.The preparation process of the casing mechanism of the present embodiment is as follows:

(1) substrate is TP23E0 rupture pressure disc (being purchased from SKC company).Substrate includes the explosion-proof layer being cascading and bonding Layer.The material of explosion-proof layer is PET.Explosion-proof layer with a thickness of 25 μm.Adhesive layer with a thickness of 25 μm.Existed by colour band transfer printing process On explosion-proof layer formed seven layers of non-black layer stacked gradually, by colour band transfer printing process on the non-black layer farthest away from substrate shape The black layer stacked gradually at two layers forms ink ribbon unit.In every layer of black layer, the colour band concentration in color area is 100%.? The colour band concentration in colour band area is 100%.The width for the transition region connecting with color area is 3mm；On this transition region with color area The distance at edge be that 0~2mm locates, the colour band concentration of black layer in color area on the direction in colour band area from 0.1% linearly It is increased to 20%；For at 2mm~3mm, the colour band concentration of black layer is in face at a distance from the edge in color area on this transition region Color area is linearly increased to 100% from 20% on the direction in colour band area.Width around the transition region in colour band area is 6mm；? For at 0~4mm, the colour band concentration of black layer is in color area close to colour band area at a distance from the edge in colour band area on this transition region 40% is linearly increased to from 0.1% on direction；It is black at 4mm~6mm at a distance from the edge in colour band area on this transition region The colour band concentration of floor is linearly increased to 100% from 40% on the direction in colour band area in color area.Transfer temperature is 70 DEG C.Often The transfer time of a non-black layer is 3s.The transfer time of each black layer is 3s.

(2) membrane material is HP12 rupture pressure disc (being purchased from SKC company).Membrane material includes the functional layer and gluing being cascading Layer.The material of functional layer is PET.Functional layer with a thickness of 52 μm.The material of adhesive layer is OCA.Adhesive layer with a thickness of 30 μm. Texture layer is formed on side of the functional layer far from adhesive layer by UV transfer printing process.A1 is 95 °.D1 is 10 μm.D2 is 10 μm. H1 is 10 μm.H2 is 6 μm.The energy of UV transfer is 1000mj/cm²。

(3) using electronics evaporation process formed on texture layer the adhesive layer stacked gradually, first refractive layer, wall and Second refracting layer, obtains reflector element.Adhesive layer is alumina layer, adhesive layer with a thickness of 40nm.First refractive layer is indium layer, First refractive layer with a thickness of 30nm.Wall is alumina layer, wall with a thickness of 40nm.Second refracting layer is titanium dioxide Titanium layer, the second refracting layer with a thickness of 7nm.

(6) substrate is bonded with adhesive layer, vacuum defoamation processing, radium-shine cutting obtains casing mechanism.Substrate is transparent glass Glass substrate.Substrate with a thickness of 0.7nm.Deaeration temperature is 55 DEG C.Pressure is 12kg.Inclined heated plate is 50min.

Embodiment 3

(1) substrate is TP23E0 rupture pressure disc (being purchased from SKC company).Substrate includes the explosion-proof layer being cascading and bonding Layer.The material of explosion-proof layer is PET.Explosion-proof layer with a thickness of 23 μm.Adhesive layer with a thickness of 15 μm.Existed by colour band transfer printing process On explosion-proof layer formed seven layers of non-black layer stacked gradually, by colour band transfer printing process on the non-black layer farthest away from substrate shape The black layer stacked gradually at two layers forms ink ribbon unit.In every layer of black layer, the colour band concentration in color area is 100%.? The colour band concentration in colour band area is 100%.The width for the transition region connecting with color area is 3mm；On this transition region with color area The distance at edge be that 0~2mm locates, the colour band concentration of black layer in color area on the direction in colour band area from 0.1% linearly It is increased to 20%；For at 2mm~3mm, the colour band concentration of black layer is in face at a distance from the edge in color area on this transition region Color area is linearly increased to 100% from 20% on the direction in colour band area.Width around the transition region in colour band area is 6mm；? For at 0~4mm, the colour band concentration of black layer is in color area close to colour band area at a distance from the edge in colour band area on this transition region 40% is linearly increased to from 0.1% on direction；It is black at 4mm~6mm at a distance from the edge in colour band area on this transition region The colour band concentration of floor is linearly increased to 100% from 40% on the direction in colour band area in color area.Transfer temperature is 65 DEG C.Often The transfer time of a non-black layer is 3s.The transfer time of each black layer is 2s.

(2) membrane material is HP12 rupture pressure disc (being purchased from SKC company).Membrane material includes the functional layer and gluing being cascading Layer.The material of functional layer is PET.Functional layer with a thickness of 50 μm.The material of adhesive layer is OCA.Adhesive layer with a thickness of 25 μm. Texture layer is formed on side of the functional layer far from adhesive layer by UV transfer printing process.A1 is 90 °.D1 is 8 μm.D2 is 8 μm.H1 It is 9 μm.H2 is 6 μm.The energy of UV transfer is 700mj/cm²。

(3) using electronics evaporation process formed on texture layer the adhesive layer stacked gradually, first refractive layer, wall and Second refracting layer, obtains reflector element.Adhesive layer is alumina layer, adhesive layer with a thickness of 35nm.First refractive layer is indium layer, First refractive layer with a thickness of 10nm.Wall is alumina layer, wall with a thickness of 35nm.Second refracting layer is titanium dioxide Titanium layer, the second refracting layer with a thickness of 5nm.

(6) substrate is bonded with adhesive layer, vacuum defoamation processing, radium-shine cutting obtains casing mechanism.Substrate is transparent glass Glass substrate.Substrate with a thickness of 0.6nm.Deaeration temperature is 50 DEG C.Pressure is 9kg.Inclined heated plate is 40min.

It is prepared, obtains the pictorial diagram of the casing mechanism of embodiment 3 as shown in Figure 14~15.Figure 14 indicates that casing mechanism exists Part colour band area and the local pictorial diagram at the transition region in colour band area.In Figure 14, arrow (14-1) meaning region is circular The transition region in colour band area, arrow (14-2) meaning region is colour band area.Figure 15 indicates that casing mechanism connects in color area, with color area The pictorial diagram at transition region and part colour band area connect.In Figure 15, arrow (15-1) meaning region is color area, arrow (15-2) Signified region is the transition region connecting with color area, and arrow (15-3) meaning region is colour band area.

From Figure 14~15 as can be seen that casing mechanism is in navy blue at colour band area, casing mechanism is around colour band area Fade effect blue at transition region, and casing mechanism has lightening effect at the transition region around colour band area.Casing mechanism exists Be in navy blue at color area and colour band area, casing mechanism in the transition region fade effect blue being connect with color area, and The shinny region of annular is presented in the transition region brightness with higher connecting with color area in casing mechanism.

Embodiment 4

The casing mechanism of the present embodiment is as shown in Fig. 1~8, Figure 13, the preparation process and reality of the housing unit of the present embodiment It is roughly the same to apply example 1, the difference is that:

In step (2), H1 is 8 μm.H2 is 5 μm.

Step (3) are as follows: using electronics evaporation process formed on texture layer the adhesive layer stacked gradually, third reflect layer, First protective layer, first refractive layer, the second protective layer and the second refracting layer, obtain reflector element.Adhesive layer is silicon dioxide layer, Adhesive layer with a thickness of 8nm.Third reflect layer be titanium pentoxide layer, third reflect layer with a thickness of 7nm.First protective layer is Silicon dioxide layer, the first protective layer with a thickness of 10nm.First refractive layer be indium layer, first refractive layer with a thickness of 10nm~ 20nm.Second protective layer be silicon dioxide layer, the second protective layer with a thickness of 20nm.Second refracting layer is titanium pentoxide layer, Second refracting layer with a thickness of 5nm.

Embodiment 5

The structure of the casing mechanism of the present embodiment is roughly the same with embodiment 4, the difference is that: each ruler of casing mechanism Very little difference.The preparation process of the housing unit of the present embodiment is roughly the same with embodiment 2, the difference is that:

In step (2), H1 is 10 μm.H2 is 7 μm.

Step (3) are as follows: using electronics evaporation process formed on texture layer the adhesive layer stacked gradually, third reflect layer, First protective layer, first refractive layer, the second protective layer and the second refracting layer, obtain reflector element.Adhesive layer is silicon dioxide layer, Adhesive layer with a thickness of 12nm.Third reflect layer be titanium pentoxide layer, third reflect layer with a thickness of 17nm.First protective layer For silicon dioxide layer, the first protective layer with a thickness of 20nm.First refractive layer be indium layer, first refractive layer with a thickness of 20nm. Second protective layer be silicon dioxide layer, the second protective layer with a thickness of 30nm.Second refracting layer is titanium pentoxide layer, the second folding Penetrate layer with a thickness of 9nm.

Embodiment 6

The structure of the casing mechanism of the present embodiment is roughly the same with embodiment 4, the difference is that: each ruler of casing mechanism Very little difference.The preparation process of the housing unit of the present embodiment is roughly the same with embodiment 3, the difference is that:

In step (2), H1 is 9 μm.H2 is 6 μm.

Step (3) are as follows: using electronics evaporation process formed on texture layer the adhesive layer stacked gradually, third reflect layer, First protective layer, first refractive layer, the second protective layer and the second refracting layer, obtain reflector element.Adhesive layer is silicon dioxide layer, Adhesive layer with a thickness of 10nm.Third reflect layer be titanium pentoxide layer, third reflect layer with a thickness of 12nm.First protective layer For silicon dioxide layer, the first protective layer with a thickness of 15nm.First refractive layer be indium layer, first refractive layer with a thickness of 15nm. Second protective layer be silicon dioxide layer, the second protective layer with a thickness of 25nm.Second refracting layer is titanium pentoxide layer, the second folding Penetrate layer with a thickness of 7nm.

Embodiment 7

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 1, the difference is that, H1 is 8 μm.H2 It is 7 μm.

Embodiment 8

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 6, the difference is that, H1 is 10 μm. H2 is 5 μm.

Embodiment 9

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 1, the difference is that, D1 is 4 μm.D2 It is 4 μm.

Embodiment 10

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 2, the difference is that, D1 is 12 μm. D2 is 12 μm.

Embodiment 11

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 1, the difference is that, first refractive layer With a thickness of 5nm.

Embodiment 12

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 2, the difference is that, first refractive layer With a thickness of 35nm.

Embodiment 13

The structure of the casing mechanism of the present embodiment is roughly the same with embodiment 3, the difference is that, the first raised line, The structure of two raised lines is as shown in Figure 10, and shape of first raised line in the section of the extending direction perpendicular to the first raised line is isosceles ladder Shape, shape of second raised line in the section of the extending direction perpendicular to the second raised line are isosceles trapezoid, and D1 ' is 8 μm.H1 ' is 9 μ m.D2 ' is 8 μm.H2 ' is 6 μm.

Embodiment 14

The preparation process of the casing mechanism of the present embodiment is roughly the same with embodiment 3, the difference is that, pass through offset printing work Skill forms non-black layer and black layer on substrate, will be bonded farthest away from the black layer of non-black layer with adhesive layer.Wherein, glue Printing ink used in technique is commercially available import offset printing class ink.

Test:

Measure the casing mechanism of embodiment 1~14 at color area, at transition region connect with color area, in circular color Brightness and resolution ratio at the transition region of zone.Measure the pulling capacity of texture layer and membrane material in the casing mechanism of embodiment 1~14. See Table 1 for details for measurement result.What table 1 indicated is transition region of the casing mechanism of embodiment 1~14 at color area, close to color area The drawing of texture layer and membrane material in the brightness and resolution ratio, casing mechanism at transition region at place, colour band area, around colour band area Power.

Wherein, using side of the substrate far from film layer structure in color difference meter measurement housing unit in the extension perpendicular to membrane material Brightness (i.e. L) on direction；

Resolution ratio refers to number of pixels expressed by per inch；

Pulling capacity is measured using drawing tension gauge.

It should be noted that since colour band concentration and black layer colour band colour band area at of the black layer at color area is dense Spend identical, and colour band concentration of the non-black layer in each region is 100%, therefore brightness and shell of the casing mechanism at color area Brightness of the body mechanism at color area is identical, and resolution ratio and casing mechanism of the casing mechanism at color area are at color area Resolution ratio is identical.

Table 1

In table 1, the brightness of transition region is X1~X2, indicates that the maximum brightness of transition region is X2, minimum brightness X1, gradual change The brightness in area is in a first direction from X2 gradual change to X1, wherein first direction is from color area close to the direction in colour band area.Example Such as: the brightness for the transition region connecting with color area is 40~90, indicates the brightness of this transition region in a first direction from 90 gradual changes To 40.Another example is: the brightness around the transition region in colour band area is 40~90, indicate the brightness of this transition region in a first direction from 90 gradual changes are to 40.

As it can be seen from table 1 the maximum value of the brightness for the transition region connecting with color area is 95, bright in embodiment 1~14 The minimum value of degree is 30, and the brightness for the transition region connecting with color area is in fade effect in a first direction, illustrates above-mentioned reality The effect of brightness gradual change is presented in substrate far from the side of film layer structure for the casing mechanism for applying mode, has self luminous effect. Maximum value with the brightness of the transition region in circular colour band area is 95, and the minimum value of brightness is 30, and the gradual change with circular colour band area The brightness in area is in fade effect in a first direction, illustrates the casing mechanism of above embodiment in substrate far from film layer structure The effect of side presentation brightness gradual change.The texture layer of the casing mechanism of embodiment 1~14 and the pulling capacity of membrane material are greater than 16N, say The good bonding strength of texture layer and membrane material in the casing mechanism of bright above embodiment, will not be due to texture layer falls off or shifts Influence the appearance of casing mechanism.The resolution ratio of side of the substrate far from film layer structure in the casing mechanism of embodiment 1~13 For 600DPI, it is higher than embodiment 14 (300DPI), illustrates that substrate is far from film layer structure in the casing mechanism of above embodiment The resolution ratio of side is higher, and color effects are finer and smoother.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies 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, all should be considered as described in this specification.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims

1. a kind of film layer structure characterized by comprising

Substrate；And

The side of the substrate, the black layer is arranged in ink ribbon unit, including non-black layer and black layer, the non-black layer The side of the non-black layer far from the substrate is set, and the ink ribbon unit has transition region, and the black layer is described The depth gradual change of black at transition region.

2. film layer structure according to claim 1, which is characterized in that black of the black layer at the transition region Depth linear gradient from shallow to deep.

3. film layer structure according to claim 1, which is characterized in that black of the black layer at the transition region The extrorse direction in the middle part of depth from the transition region gradually rises.

4. film layer structure according to claim 1, which is characterized in that the ink ribbon unit also has color area, described black The constant depth of black of the chromatograph at the color area, the transition region are arranged around the color area.

5. film layer structure according to claim 4, which is characterized in that black of the black layer at the transition region Depth gradually rises from direction of the transition region far from the color area.

6. film layer structure according to claim 4, which is characterized in that the color area is connect with the transition region.

7. film layer structure according to claim 1, which is characterized in that the black layer is multiple, multiple black layers It is cascading in the side of the non-black layer far from the substrate, each black layer is black at the transition region The gradual manner of the depth of color is identical.

8. film layer structure according to claim 1, which is characterized in that the transition region is multiple, multiple transition regions Interval setting.

9. film layer structure according to claim 8, which is characterized in that the transition region is two, described in one of them gradually Become area around another transition region setting.

10. film layer structure according to claim 9, which is characterized in that the ink ribbon unit also has colour band area, described black The constant depth of black of the chromatograph at the colour band area, the colour band area are located between two transition regions.

11. described in any item film layer structures according to claim 1~10, which is characterized in that further include membrane material and texture layer, institute It states membrane material and covers side of the black layer far from the non-black layer, the texture layer is arranged in the membrane material, and is located at Side of the membrane material far from the black layer, orthographic projection of the texture layer on the ink ribbon unit cover the gradual change Area.

12. film layer structure according to claim 11, which is characterized in that the texture layer has multiple parallel first convex Item is arranged alternately with multiple the second parallel raised lines, multiple first raised lines and multiple second raised lines, and each described The height of two raised lines is less than the height of each first raised line.

13. film layer structure according to claim 12, which is characterized in that adjacent first raised line and second raised line Splicing.

14. 2~13 described in any item film layer structures according to claim 1, which is characterized in that each first raised line is hanging down Directly the shape in the section on the extending direction of first raised line is triangle or trapezoidal；

And/or the shape in section of each second raised line on the extending direction perpendicular to second raised line is triangle Shape is trapezoidal.

15. film layer structure according to claim 11, which is characterized in that further include reflector element, the reflector element covers Cover side of the texture layer far from the membrane material.

16. film layer structure according to claim 15, which is characterized in that further include ink layer, the ink layer covers institute State side of the reflector element far from the texture layer.

17. a kind of preparation method of film layer structure, which comprises the steps of:

Non-black layer is formed on substrate；And

Black layer is formed on the non-black layer, the black layer is located at the side of the non-black layer far from the substrate, Formed ink ribbon unit, the ink ribbon unit have transition region, the depth gradual change of black of the black layer at the transition region, Obtain film layer structure.

18. the preparation method of film layer structure according to claim 17, which is characterized in that described to be formed on the substrate The step of non-black layer includes: to form the non-black layer on the substrate using colour band caloric transfer printing technology；

And/or described includes: using colour band caloric transfer printing technology described non-the step of forming black layer on the non-black layer The black layer is formed on black layer.

19. the preparation method of film layer structure according to claim 17, which is characterized in that described on the non-black layer Formed black layer the step of after, further include following steps: on side of the ink ribbon unit far from the substrate setting according to The membrane material and texture layer of secondary stacking, and so that the membrane material is covered side of the black layer far from the non-black layer, and make institute It states orthographic projection of the texture layer on the ink ribbon unit and covers the transition region.

20. the preparation method of film layer structure according to claim 19, which is characterized in that described remote in the ink ribbon unit The step of membrane material stacked gradually and texture layer are arranged on side from the substrate include:

Texture layer is formed in the side of the membrane material；And

21. the preparation method of 9~20 described in any item film layer structures according to claim 1, which is characterized in that in the membrane material Upper the step of forming the texture layer includes: that multiple the first parallel raised lines and multiple parallel second are formed in the membrane material Raised line obtains the texture layer, and multiple first raised lines and multiple second raised lines are arranged alternately, second raised line Height is less than the height of first raised line.

22. a kind of casing mechanism characterized by comprising

Substrate；And

The described in any item film layer structures of claim 1~16 or the described in any item film layer structures of claim 17~21 The film layer structure that preparation method is prepared, the film layer structure is arranged on the substrate, and the substrate is close to the base Bottom setting.

23. a kind of electronic equipment characterized by comprising

Casing mechanism described in claim 22,

Indication mechanism is connect with the casing mechanism, limits installation space between the indication mechanism and the casing mechanism； And