CN207366772U - Optical thin film and the shell with the optical thin film - Google Patents

Abstract

The utility model provides a kind of optical thin film, including supporting body, and the supporting body has the first surface and second surface being oppositely arranged；Plural coloured micro-nano structure in the supporting body, the coloured micro-nano structure is recessed from the first surface to the second surface, and the distance between the coloured micro-nano structure point nearest apart from the second surface and described second surface are between 0 μm~15 μm.The optical thin film can be by adjusting the structure of the coloured micro-nano structure, arrangement, color etc., light from supporting body side is adjusted, the effect of shadow of any shape is presented, or any shape is presented and with optical effects such as coloured dynamic graphics and text, conversion picture and text, three-dimensional picture and text, there is decoration and identification effect well.

Description

Optical thin film and the shell with the optical thin film

Technical field

This application involves optical thin film furnishing fields, particularly a kind of optical thin film that can play effect of shadow and have The shell of the optical thin film.

Background technology

There is designer that optical film is applied to the shell of various articles, vehicle glass etc. and be used for decoration or identification etc. Effect.By taking the shell applied to various articles as an example, particularly constantly seeking in electronic product and household electric appliances, each producer Technological innovation and function innovation cater to environmentally friendly, energy saving and differentiation development trend, while have some designers by mesh Light is invested in the design of appearance.

Illustrate a kind of optical film, it includes substrate layer, cylinder mirror layer and the reflecting layer being sequentially overlapped.Optical film passes through reflection Layer display color, and the optical effects such as light beam are realized by cylindrical mirror, so that the optical film has effect of shadow.However, only Show that the color of optical film causes the color of optical film to seem dull by reflecting layer, when needing complex color, Need multiple evaporation process cumbersome, and color is not easy control；In addition, the preparation process cost in reflecting layer is higher.

In view of this, it is necessary to a kind of improved optical thin film and the shell with the optical thin film are provided, with solution State technical problem.

Utility model content

One of to solve the above-mentioned problems, present applicant proposes a kind of effect of shadow that any shape can be presented, or Person is presented any shape and with the optical thin film tool of the optical effects such as coloured dynamic graphics and text, conversion picture and text, three-dimensional picture and text There is the shell of the optical thin film.

To achieve these goals, the application provides a kind of optical thin film, including supporting body, and the supporting body has opposite The first surface and second surface of setting；Plural coloured micro-nano structure in the supporting body, the plural number coloured micro-nano In one layer of setting on the thickness direction of the supporting body；The coloured micro-nano structure is from the first surface to second table Face be recessed, and the distance between the coloured micro-nano structure point nearest apart from the second surface and described second surface between Between 0 μm ~ 15 μm.

As further improvement of the utility model, the supporting body has the first surface and the second table being oppositely arranged Face, the supporting body have the groove to be formed that is recessed from the first surface to the second surface, the coloured micro-nano structure It is formed at by colored polymeric in the groove.

As further improvement of the utility model, the supporting body is prepared by colored polymeric, and the carrying Body has the first surface and second surface that are oppositely arranged, and the coloured micro-nano structure is from the first surface to described second The groove that surface indentation is formed.

It is empty as further improvement of the utility model, in the groove, or there is filler in the groove, it is described Filler for colourless polymer or the color colored polymeric different from the color of the coloured micro-nano structure or color with it is described The color of coloured micro-nano structure is identical but the different colored polymerics of refractive index.

As further improvement of the utility model, the μ of height of the groove on the supporting body thickness direction≤20 m。

As further improvement of the utility model, along after the supporting body thickness direction cutting, the shape of the groove For the one or more in rectangle, triangle, arc, inverted trapezoidal.

As further improvement of the utility model, the optical thin film is further included positioned at the first surface away from described The reflecting layer of the side of second surface;Or the optical thin film further includes dyed layer, the dyed layer is located at the coloured micro-nano Structure deviates from the side of the supporting body；Or the optical thin film further includes and deviates from the second surface positioned at the first surface Side reflecting layer, positioned at the reflecting layer deviate from the supporting body side dyed layer；The reflecting layer is coloured, described anti- Color and the color of the coloured micro-nano structure for penetrating layer are identical or different；The color of the dyed layer and the coloured micro-nano knot The color of structure is identical or different.

As further improvement of the utility model, the plural number coloured micro-nano structure continuously arranges or is intervally arranged.

As further improvement of the utility model, the optical thin film further includes flexible or hardness substrate and/or lid Plate.

To realize above-mentioned purpose of utility model, the utility model also provides a kind of shell, has optical thin film.

The beneficial effects of the utility model：The optical thin film of the utility model, is showed arbitrarily by coloured micro-nano structure The effect of shadow of shape, or any shape is presented and with shadows such as coloured dynamic graphics and text, conversion picture and text, three-dimensional picture and text Effect, has decoration and identification effect well.

Brief description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：

Fig. 1 is the optical thin-film structure schematic diagram in one preferred embodiment of the utility model；

Fig. 2 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 3 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 4 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 5 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 6 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 7 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 8 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Fig. 9 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model；

Figure 10 is the optical thin-film structure schematic diagram in another preferred embodiment of the utility model.

Embodiment

To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out all other embodiments obtained under the premise of creative work, shall fall in the protection scope of this application.

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model Limitation.

In the description of the utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot manage Solve as the limitation to the utility model.

As shown in Figures 1 to 10, for the utility model optical thin film 100 structure diagram.It please join Fig. 1, Fig. 2 institute Show, the optical thin film 100 includes supporting body 1, the plural coloured micro-nano structure 2 in the supporting body 1.

It is described that " coloured micro-nano structure 2 " refers to：The micro-nano structure for any shape being prepared by colored polymeric, energy Enough reflections and the corresponding electromagnetic wave of its color, so that the optical thin film 100 visually shows the dynamic of respective color The optical effects such as state picture and text, conversion picture and text or three-dimensional picture and text, have decoration and identification effect well.

The colored polymeric can be itself with coloured colored polymeric, be mixed with pigment Optical transparent adhesive, It is mixed with UV glue of pigment etc.；Wherein pigment can be inorganic pigment, organic pigment, natural pigment, synthetic dyestuff etc..Work as use When the Optical transparent adhesive for being mixed with pigment, the UV glue for being mixed with pigment prepare the coloured micro-nano structure 2, present as needed Effect of shadow, the colored polymeric can be formed by selecting the pigment of corresponding color to be incorporated into Optical transparent adhesive, UV glue, be adjusted Color is convenient, color is accurate, diversified and color selectable range is wide, weakens or simplify toning process, therefore whole described The preparation process of optical section film simplifies, particularly convenient for the optical thin film 100 for preparing polychrome.

In addition, it will be appreciated by persons skilled in the art that " visual any number of color " is not only including macroscopic Color, further include optical instrument color that can be detected, material composition it is identical when can show in theory but dense due to component Spend that low or content is less and the color that can not be detected by optical instrument.

The optical thin film 100 can be by adjusting the structure of the coloured micro-nano structure 2, arrangement, color etc., to passing through The light of the optical thin film 100 is adjusted, to be presented the effect of shadow of any shape, or present any shape and With optical effects such as coloured dynamic graphics and text, conversion picture and text, three-dimensional picture and text, there is decoration and identification effect well.

The plural number coloured at least partly described supporting body 1 of the covering of micro-nano structure 2, i.e. the plural number coloured micro-nano structure 2 At least partly described supporting body 1 of projection covering on the supporting body 1, the projection of the utility model refer to that plural number is coloured micro- The orthographic projection that micro-nano structure 2 is formed along the direction projection vertical with 1 surface of supporting body.The plural number coloured micro-nano structure 2 is in Being intervally arranged shown in the continuous arrangement or Fig. 2 shown in Fig. 1, to reach the dynamic effect of different shadows.

In the utility model, the supporting body 1 has the first surface 11 and second surface 12 being oppositely arranged, described coloured Micro-nano structure 2 is depressed in the supporting body 1 from the first surface 11 to the second surface 12, and the coloured micro-nano knot The distance between the point nearest apart from the second surface 12 of structure 2 and the second surface L are between 0 μm ~ 15 μm.

Specifically, it is described as shown in Fig. 2, the supporting body 1 has the first surface 11 and second surface 12 being oppositely arranged Supporting body 1 has the groove that depression is formed from the first surface 11 to the second surface 12（Non- label）, it is described coloured micro- Micro-nano structure 2 is formed in the groove by colored polymeric, the shape and the shape phase of the groove of the coloured micro-nano structure 2 Matching.

Its preparation method is：One layer of polymeric is coated on substrate, and the polymer is colored polymeric or colourless polymerization Thing；The side of the polymer is imprinted using mould；The polymer after coining is cured, then by mould Depart from, form the supporting body 1 with plural groove；Colored polymeric face of the filling with forming supporting body into the plural number groove The different colored polymeric of color or colored polymerics identical from the colored polymeric color of formation supporting body but that refractive index is different, Form the plural coloured micro-nano structure 2 being arranged in the supporting body.This hair mentioned " substrate " is in preparation carrying Play a supporting role during body 1, can be removed after the completion of preparation, when the substrate is colourless or can be with the coloured micro-nano When structure 2 adjusts color jointly, it can also retain.

Wherein, as shown in Fig. 2, filling colored polymeric can be by the way of point be filled only described into the groove Filling colored polymeric in groove；Can also be as shown in figure 3, using the higher blade coating mode of efficiency, i.e., in the first surface One layer of colored polymeric of upper coating, colored polymeric are full of the groove, then by the part colored polymer outside the groove Thing removes.When being prepared by the way of blade coating, very thin thin film 3, institute may be remained in the first surface 11 Thickness≤10 μm of film 3 are stated, substantially close to colourless when being detected visually or with optical instrument.

Certainly, as shown in Fig. 4 ~ Fig. 6, the film layer 3 can also be separately set with the coloured micro-nano structure 2, it is made Preparation Method is：After filling colored polymeric forms the coloured micro-nano structure 2 in the groove, then in the first surface 11 It is upper to prepare the film layer 3.When the film layer 3 is coloured, the color of the film layer 3 and the face of the coloured micro-nano structure 2 Color is identical or different, and refractive index is different when both colors are identical, with adjusting color with the coloured micro-nano structure 2；It is described thin When film layer 3 is colourless, effect of shadow can also be adjusted by layer and the optical effects such as the refraction at bed boundary, reflection.

Alternatively, as shown in Figure 1, the supporting body 1 is prepared by colored polymeric, and the supporting body 1 has relatively The first surface 11 and second surface 12 of setting, the coloured micro-nano structure are from the first surface 11 to the second surface The groove that 12 depressions are formed.

Its preparation method is：One layer of colored polymeric is coated on substrate；Using mould to the colored polymeric one Side is imprinted；The colored polymeric after coining is cured, then by mould separating, is formed with plural groove Supporting body.

Certainly, in this structure, it is as shown in Figure 10 sky to form in the groove of the coloured micro-nano structure 2 , can also internal filling filler, the filler be colourless polymer, color and the coloured micro-nano structure 2 as shown in 2 ~ Fig. 9 The different colored polymeric of color or color is identical from the color of the coloured micro-nano structure 2 but refractive index is different coloured poly- Compound.Fill method and the film layer 3 being likely to form are all as described above, are repeated no more in this.

In above two embodiment, the shape of the coloured micro-nano structure 2 is determined by the shape of the groove.Specifically Ground, height≤20 μm of the groove on 1 thickness direction of supporting body, second surface 12 is nearest described in the groove distance Point and the distance between the second surface between 0 μm ~ 15 μm.It is described along after the 1 thickness direction cutting of supporting body The shape of groove is the one or more in rectangle, triangle, arc, trapezoidal, inverted trapezoidal etc., wherein rectangle, triangle, trapezoidal Straight flange in can also be arc-shaped side, and angle can also be fillet.Correspondingly, along after the short transverse cutting of the supporting body 1, The section for the coloured micro-nano structure 2 being formed in the groove is the rules such as rectangle, triangle, arc, trapezoidal, inverted trapezoidal Shape or irregular shape, and the straight flange in triangle, rectangle, trapezoidal etc. can also be arc-shaped side, angle can also be fillet.

In addition, the coloured micro-nano structure 2 of the utility model can also be lenticule, cylindrical mirror, Fresnel Lenses, CD The recessed structure with the supporting body 1 such as line, moth ocular structure or drawing pattern.The shape of the coloured micro-nano structure 2 is unlimited, can Accommodation is done according to the optical design to be presented of optical thin film 100；That is mentioned in the utility model is " described coloured micro- The shape of micro-nano structure 2 " refers to the shape of orthographic projection of the coloured micro-nano structure 2 on the supporting body 1.

In addition, the plural number coloured micro-nano structure 2 is set on the thickness direction of the supporting body 1 in one layer." it is in one layer Set " refer on the thickness direction of the supporting body 1, in two end faces of all coloured micro-nano structures 2 at least One end face is generally aligned in the same plane, or the middle part of all coloured micro-nano structures is located at approximately the same plane, Ye Jisuo Stating the plane parallel with the first surface 11 of some in supporting body 2 can intersect with all coloured micro-nano structures.

It please separately join shown in Fig. 5 ~ Fig. 9, the optical thin film 100 is further included deviates from described second positioned at the first surface 11 The reflecting layer 4 of the side on surface 12.The reflecting layer 4 is the metal formed by modes such as coating, vacuum evaporation, magnetron sputterings Layer, metal oxide layer or nonmetal oxide layer.The reflecting layer 4 has identical or different with the coloured micro-nano structure 2 Color when, can also reflect makes its by the coloured micro-nano structure 2 of plural number with the corresponding electromagnetic wave of its color, has described in auxiliary Color micro-nano structure 2 plays the role of adjusting color, so that the color of optical thin film 100 is fuller, has more texture.Such as adopt By the use of silver slurry layer as reflecting layer 4, color is acted on blast, increases decorative effect.

It please separately join shown in Fig. 6 ~ Fig. 9, the optical thin film 100 further includes dyed layer 5, and the dyed layer 5 is by ink, coloring One or both of material, coloring material, metal material combination of the above is as material, by being coated with, being deposited, printing, electroplating Or the mode such as sputtering is formed, and typically serves to the effect of shading and toning.In the structure, master is presented in the coloured micro-nano structure 2 Color, for the dyed layer 5 to auxiliary adjustment color, the coloured micro-nano structure 2 realizes the work(of toning with the dyed layer 5 jointly Energy.As shown in fig. 6, the dyed layer 5 is located at the side that the first surface 11 deviates from the second surface 12；Such as Fig. 7 ~ Fig. 9 Shown, in the embodiment with reflecting layer 4, the dyed layer 5 is generally disposed at the reflecting layer 4 and deviates from the supporting body 1 Side；If the dyed layer 5 be arranged at the reflecting layer 4 towards the supporting body 1 side when, the dyed layer 5 is By coloured material, metal material etc. formed can be with the film of printing opacity.

In addition, the optical thin film 100 is on the basis of the supporting body 1 and the coloured micro-nano structure 2, can be any The increase film layer 3, the reflecting layer 4, the one or more in the dyed layer 5, and except integrally setting between each layer Outside position relationship between the adjacent layer put is relatively fixed, the position relationship between other layers is relative position relation.Such as " institute State the side that first surface 11 described in dyed layer 5 deviates from the second surface 12 ", describe the dyed layer 5 and held with described The relative position relation of carrier 1, not refers in particular to the dyed layer 5 and is set close to the first surface 11, between the two can be with There are the other structures layer such as film layer 3 or reflecting layer 4.

As shown in Fig. 7 ~ Fig. 9, the optical thin film 100 further includes flexible or hardness base material 6 and/or cover board 7, to described Optical thin film 100 plays the role of protection or support.The base material 6 is usually the transparent or translucent materials such as glass, plastics, , can be by the base material 6 directly as substrate when preparing the optical thin film in embodiment with base material 6.

The utility model also provides a kind of shell with above-mentioned 100 layers of optical thin film（It is not shown）, have very abundant The dynamic display of full color, extraordinary texture, extraordinary decorative effect.The shell can be that glass, plastics etc. are appointed Anticipate the phone housing of material, panel housings, computer casing, appliance shell etc..

In conclusion any shape is presented by the coloured micro-nano structure 2 in the optical thin film 100 of the utility model Effect of shadow, or any shape is presented and with optical effects such as coloured dynamic graphics and text, conversion picture and text, three-dimensional picture and text, With good decoration and identification effect.

It should be appreciated that although this specification is described according to embodiment, not each embodiment is only only comprising one Vertical technical solution, this narrating mode of specification is only that those skilled in the art should be by specification for clarity As an entirety, the technical solutions in the various embodiments may also be suitably combined, formed it will be appreciated by those skilled in the art that Other embodiment.

The a series of detailed description of those listed above is only for the specific of the possible embodiments of the utility model Illustrate, and be not used to limitation the scope of protection of the utility model, all equivalent realities made without departing from the utility model skill spirit Apply example or change should be included within the scope of protection of this utility model.

Claims (10)

1. A kind of 1. optical thin film, it is characterised in that：Including

   Supporting body, the supporting body have the first surface and second surface being oppositely arranged；

   Plural coloured micro-nano structure in the supporting body, thickness direction of the plural number coloured micro-nano in the supporting body It is upper to be set in one layer；The coloured micro-nano structure is recessed from the first surface to the second surface, and the coloured micro-nano The distance between the structure point nearest apart from the second surface and the second surface are between 0 μm ~ 15 μm.
2. 2. optical thin film according to claim 1, it is characterised in that：The supporting body has the first surface being oppositely arranged And second surface, the supporting body has the groove to be formed that is recessed from the first surface to the second surface, described coloured Micro-nano structure is formed in the groove by colored polymeric.
3. 3. optical thin film according to claim 1, it is characterised in that：The supporting body is prepared by colored polymeric, And the supporting body has the first surface and second surface being oppositely arranged, the coloured micro-nano structure is from the first surface It is recessed the groove to be formed to the second surface.
4. 4. optical thin film according to claim 3, it is characterised in that：It is empty in the groove, or has in the groove Have a filler, the filler for colourless polymer or the color colored polymeric different from the color of the coloured micro-nano structure or Color is identical from the color of the coloured micro-nano structure but the different colored polymerics of refractive index.
5. 5. the optical thin film according to Claims 2 or 3, it is characterised in that：The groove is in the supporting body thickness direction On height≤20 μm.
6. 6. the optical thin film according to Claims 2 or 3, it is characterised in that：Along after the supporting body thickness direction cutting, institute The shape for stating groove is rectangle, the one or more in triangle, arc, inverted trapezoidal.
7. 7. according to the optical thin film described in claim 1 or 2 or 3, it is characterised in that：The optical thin film is further included positioned at described First surface is away from the reflecting layer of the side of the second surface;Or the optical thin film further includes dyed layer, the dyed layer Deviate from the side of the second surface positioned at the first surface；Or the optical thin film is further included and carried on the back positioned at the first surface Reflecting layer from the side of the second surface, the dyed layer positioned at the reflecting layer away from the supporting body side；It is described anti- Penetrate that layer is coloured, the color in the reflecting layer and the color of the coloured micro-nano structure are identical or different；The color of the dyed layer It is identical or different with the color of the coloured micro-nano structure.
8. 8. optical thin film according to claim 1, it is characterised in that：The plural number coloured micro-nano structure continuously arrangement or Every arrangement.
9. 9. optical thin film according to claim 1, it is characterised in that：The optical thin film further includes flexible or hardness lining Bottom and/or cover board.
10. 10. a kind of shell, has the optical thin film described in claim 1 ~ 9 any one.