WO2019029259A1 - 一种纹理结构、光学薄膜、模具及电子设备盖板 - Google Patents

一种纹理结构、光学薄膜、模具及电子设备盖板 Download PDF

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Publication number
WO2019029259A1
WO2019029259A1 PCT/CN2018/090758 CN2018090758W WO2019029259A1 WO 2019029259 A1 WO2019029259 A1 WO 2019029259A1 CN 2018090758 W CN2018090758 W CN 2018090758W WO 2019029259 A1 WO2019029259 A1 WO 2019029259A1
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WO
WIPO (PCT)
Prior art keywords
small short
texture structure
short lines
optical film
lines
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Application number
PCT/CN2018/090758
Other languages
English (en)
French (fr)
Inventor
高育龙
洪莘
申溯
亢红伟
Original Assignee
昇印光电（昆山）股份有限公司
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Application filed by 昇印光电（昆山）股份有限公司 filed Critical 昇印光电（昆山）股份有限公司
Publication of WO2019029259A1 publication Critical patent/WO2019029259A1/zh
Priority to US16/787,180 priority Critical patent/US20200183060A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0453—Ornamental plaques, e.g. decorative panels, decorative veneers produced by processes involving moulding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B29C33/424—Moulding surfaces provided with means for marking or patterning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/04—Modelling plastic materials, e.g. clay
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0808—Mirrors having a single reflecting layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0243—Mechanical details of casings for decorative purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C2033/0094—Means for masking a part of the moulding surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/08—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of polarising materials

Definitions

  • the invention relates to the technical field of texture, optical film and device cover, in particular to a texture structure, an optical film, a mold and an electronic device cover.
  • decorative films are widely used in the surface of electronic products such as mobile phones, computers, refrigerators, air conditioners, washing machines, and other products.
  • the existing decorative film is used as a surface material of a mobile machine such as a mobile phone or a notebook computer, and is used as a surface material for molding a household appliance such as a refrigerator, a washing machine, an air conditioner, etc., although a variety of patterns and metal textures are reflected by gravure printing. used.
  • the existing decorative texture is generally a cylindrical mirror or a printed pattern.
  • the resolution of the printed pattern is not very high.
  • the cylindrical mirror generally has a rainbow pattern that interferes with the effect of the cylindrical mirror, so it is necessary to develop a new decorative texture. .
  • a texture structure comprising a plurality of distributed small short lines, the plurality of small short lines being raised and/or recessed, and spacing between adjacent small short lines, the spaces forming an optical structure.
  • At least two small short lines have an angle a, b with the horizontal direction, and the angle a is not equal to the angle b.
  • the plurality of small short-line arrays are disposed, the small short lines within the same row are deflected, and the deflection angle is increased or decreased.
  • the small short-line deflection angle is at least one variation in the same row.
  • the deflection angle of the small short line varies from 0 to 180 degrees, from 45 to 90 degrees, or from 0 to 270 degrees.
  • the small short line includes a top plane or a bottom plane, and a side surface surrounding the top plane or the bottom plane, the side surface being a curved surface.
  • the top or bottom plane is triangular, quadrilateral, circular or polygonal.
  • the arcuate faces of two adjacent small short lines are joined to form the spacing.
  • the top or bottom plane of the small short line is rectangular, and each small short line is deflected from the intersection of the two diagonal lines of the rectangle.
  • the distances of the intersections of adjacent small short lines are equal.
  • the top or bottom plane of the small short line is a rectangle, and the length of the rectangle is constant on the same row, and the width of the rectangle varies.
  • the optical structure exhibits at least one light and shadow.
  • the polymer layer is a heat-cured or photo-curable adhesive layer
  • the textured structure is a plurality of small short lines embossed on the heat-cured or light-cured adhesive layer and located between the small short lines Interval.
  • the photocurable adhesive is a UV adhesive layer; or the photocurable adhesive layer is a colored UV adhesive layer.
  • the distance between adjacent small short lines is from 10 ⁇ m to 200 ⁇ m.
  • the polymer layer includes opposite first and second sides, the small short lines are disposed on the first side, and the distance from the small short line to the surface on the second side is 0 ⁇ m - 200 ⁇ m.
  • At least two small short lines have a height difference or depth difference greater than 0.05 ⁇ m and no greater than 2 ⁇ m.
  • the small short lines have a top or bottom plane, the top or bottom plane being rectangular, the rectangle having a length of 80 ⁇ m to 150 ⁇ m, and the rectangle having a width of 1 ⁇ m to 120 ⁇ m.
  • the length of the rectangle is constant and the width varies from 3 ⁇ m to 100 ⁇ m.
  • the texture structure is covered with a reflective layer, the reflective layer being covered with a colored layer, and the polymer layer is provided with a carrier layer on the other side of the textured structure.
  • the optical film is a decorative film.
  • a mold for preparing an optical film comprising:
  • the plurality of small short lines are concave and/or convex structures, and spaces are arranged between the small short lines.
  • An electronic device cover comprising a texture structure as described above.
  • An electronic device cover comprising an optical film as described above.
  • the present invention provides a new texture structure which can change the direction of small short lines in a certain direction or according to a desired effect, and the angle between the small short line and the horizontal direction can be from 0 to 180°. Variation; the side of the small short line is a curved surface, and the adjacent curved surfaces are connected to each other with an interval of an optical structure;
  • An electronic device cover plate provided by the present invention adopts the texture structure or the optical film, so that the rotation angle of the small short line can be flexibly applied to realize different light and shadow effects of the electronic device cover.
  • FIG. 1 is a schematic structural view of a cover plate of an electronic device according to the present invention.
  • FIG. 2 is a schematic structural view of one of the texture structure arrangements of the present invention.
  • FIG. 3 is a schematic view showing a texture structure of the present invention.
  • FIG. 4 is a schematic cross-sectional view of an optical film including the texture structure of the present invention.
  • Figure 5 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 6 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 7 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 8 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 9 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 10 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 11 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 12 is a schematic cross-sectional view showing another optical film of the present invention.
  • Figure 13 is a schematic cross-sectional view showing the structure of a mold for preparing an optical film of the present invention.
  • the present invention discloses a texture structure including a plurality of distributed small short lines 30.
  • a plurality of small short lines 30 are provided with protrusions and/or depressions, and spaces are formed between the adjacent small short lines 30, and an optical structure is formed at intervals to generate a light and shadow effect. For example, under a single light source, light and light lines that move with angle can be observed.
  • At least two small stubs 30 have an angle a, b with the horizontal direction, and the angle a is not equal to the angle b.
  • the small short lines 30 can be rotated at an angle (i.e., all of the small short lines 30 are at the same angle as the horizontal direction), or the small short lines 30 can be rotated at different angles such that the angle between the small short lines 30 and the horizontal direction is different.
  • the plurality of small and short line arrays are arranged, the small short lines within the same row are deflected, and the deflection angle is varied, while the small and short lines in the same column are deflected at the same angle.
  • the deflection of the small short line means an angle with the horizontal direction; or the rotation of the small short line; or an angle with the arrangement direction; or based on one of the small short lines, the other small short lines are compared with the short line of the reference Deflection and so on.
  • the deflection of the small short lines refers to the rotation in one plane.
  • the deflection angle of the small short line in the same row is an equal change; of course, the small short-line deflection angle may also be a non-equal variation; in the same row, there is a region where the small short-line deflection angle is 0-180 degrees, or Said that the small short line and the horizontal direction formed by the angle of 0 to 180 degrees; or may be a region of the small short line deflection angle of 45 to 90 degrees; that is, in the same row, may only exist
  • One cycle for example, a small short-line deflection angle of 45 to 90 degrees is one cycle, and the same row is an array of this cycle; also in the same row, there may be multiple cycles, for example, a small short-line deflection angle is from 0 to 90 degrees.
  • the deflection angle of the small short line is from 45 to 90 degrees for another period, the different periods are alternately arranged in the same row, randomly arranged or arranged in other ways.
  • the starting angle of the deflection angle of the small short line can be arbitrarily selected, no special Provisions. In other embodiments, it may vary from 0 to 270 degrees.
  • the small short lines include a top or bottom plane, and sides that surround the top or bottom plane, the sides being curved.
  • the curved faces of two adjacent small short lines are joined to form the spacing.
  • the top or bottom plane is a triangle, a quadrangle, a circle, or a polygon.
  • the top or bottom plane of the small short line is a rectangle, and each small short line is deflected from the intersection of the two diagonal lines of the rectangle. The distances between the intersections of adjacent small short lines are equal. In order to achieve other light and shadow effects, they may not be rotated according to diagonal intersections or may be non-equal spacing.
  • the small short lines on the same row is constant, and the width of the rectangle is varied.
  • the optical structure exhibits at least one light streak.
  • the plurality of small short lines 30 are arranged in a predetermined form; the predetermined form is arranged as a linear type 20 or a substantially straight type 20, and different arrangement manners can be arranged according to requirements. .
  • the present invention discloses an optical film comprising a polymer layer 10 and a texture structure disposed on the surface of the polymer layer 10.
  • the polymer layer 10 and the texture structure are a unitary structure.
  • the polymer layer 10 is a heat-cured or photo-curable adhesive layer, and the texture is a plurality of small short lines embossed on the heat-curable adhesive or the photo-curable adhesive layer and a space between the small short lines.
  • the photocurable adhesive layer is a UV adhesive layer
  • the texture structure is a plurality of small short lines 30 imprinted on the UV adhesive layer and a space 31 between the small short lines.
  • the photocurable adhesive layer is a colored UV adhesive layer.
  • the small stub 30 is a recessed structure with a space 31 between adjacent recesses.
  • the recessed structure of the small stub 30 has a bottom plane 301 and a side surface 302 surrounding the bottom plane 301, the side surface 302 being an arcuate surface, and the curved faces of the adjacent small stubs 30 are joined to form a space 31.
  • the space 31 becomes an optical structure through the curved surface, and an optical effect is produced by the action of light.
  • the small short line 32 shown in FIG. 10 is a convex structure, and a space 33 is provided between adjacent small short lines 32.
  • the small stub 32 has a top plane 321 and a side 322 surrounding the top plane 321 which is an arcuate surface.
  • the curved faces of adjacent small stubs 32 are joined to form a space 33.
  • the spacing 33 becomes an optical structure through the curved surface, which produces an optical effect on the action of the light.
  • At least one of the plurality of small short lines 30, 32 has an angle with the horizontal direction.
  • At least two small short lines of the plurality of small short lines 30, 32 have an angle a, b with the horizontal direction, and the angle a is not equal to the angle b.
  • the optical film is provided with a texture structure, and the angles of the plurality of small and short lines 30, 32 can be rotated according to different optical effects to make them exhibit different angles to achieve the desired effect.
  • the bottom plane 301 or the top plane 321 of the small stubs 30, 32 are all rectangular, or approximately rectangular, deflected from the intersection of the two diagonals of the rectangle.
  • the deflections of the small short lines 30, 32 in the same row are set, and the deflection angles are sequentially increased, while the small short lines in the same column are deflected at the same angle.
  • the deflection angles of the small short lines 30 and 32 in the same row vary, such as a deflection angle of 0 to 180 degrees.
  • the distances of the intersections of adjacent small short lines 30, 32 are equal.
  • the plurality of small short lines are arranged in a predetermined form.
  • the predetermined form is arranged in a straight line or a substantially straight line, and the small short lines may be arranged in other shapes.
  • the distance between adjacent small short lines 30, 32 is 10 ⁇ m - 200 ⁇ m.
  • the small short line 30 in FIG. 4 and the small short line 34 in FIG. 5 are recessed structures, and the small short line 32 in FIG. 10 is a convex structure.
  • the distance between the bottom plane of the small stub 30 and the other side surface of the polymer layer is greater than 0 and less than 200 ⁇ m.
  • the distance between the bottom plane of the small stub 34 and the other side surface of the polymer layer 10 is zero, that is, the small short line penetrates the polymer layer 10.
  • the distance from the top plane of the small short line 32 to the other side surface of the polymer layer is less than 200 ⁇ m.
  • At least two small short lines have a height difference or depth difference greater than 0.05 ⁇ m and no greater than 2 ⁇ m.
  • Such a design can reduce the difficulty of the process and can achieve the desired optical effect, and the optical effect caused by the height difference is difficult to detect by the human eye.
  • the small short line is a convex structure, and at least two small short lines of the plurality of small short lines have a height difference, and the difference is greater than 2 ⁇ m and less than 100 ⁇ m.
  • the small short line is a recessed structure, at least two small short line depth differences are greater than 2 ⁇ m and less than 100 ⁇ m.
  • the difference in the height of the protrusions of the small short lines or the depth difference of the depressions is relatively large, and such an arrangement can bring different visual effects, so that the visual effect of the optical film is better and richer, and the needs of different users can be increased. Give customers more sense of change.
  • the bottom plane 301 of the small stub 30 or the top plane 321 of the small stub 32 is rectangular, the length of the rectangle is 80 ⁇ m - 150 ⁇ m, and the width of the rectangle is 1 ⁇ m - 120 ⁇ m.
  • the length of the rectangle is constant, and the width varies, for example, the range of variation is from 3 ⁇ m to 100 ⁇ m, which can exhibit a varying optical effect, so that the visual effect of the optical film is better and richer, and the demand for different users can be increased. Customers bring more sense of change.
  • the texture is covered with a reflective layer 40.
  • the reflective layer 40 can function as a coloring and/or reflection.
  • the reflective layer 40 can only function as a reflection or together with the colored polymer layer 10. To the role of toning.
  • the reflective layer 40 is covered with a colored layer 50.
  • the colored layer 50 may be a colored ink, and may function as a primer or a color matching effect with the reflective layer.
  • the carrier layer 60 is disposed on the second side of the polymer layer 10.
  • the carrier layer 60 may be a substrate such as PET, PC, PMMA, or the like, or may be a substrate such as glass, metal, or sapphire.
  • a bonding layer 70 is disposed between the polymer layer 10 and the carrier layer 60.
  • FIG. 9 may be a partial layer structure or a cross section of the electronic device cover.
  • the carrier layer 60 may be a substrate such as PET, PC, PMMA, or the like, or may be a substrate such as glass, metal, or sapphire.
  • the optical film is a decorative film.
  • the present invention discloses a mold for preparing an optical film.
  • the mold includes a carrier 60', a polymer body 10' and a plurality of small stubs 30'.
  • the polymer body 10' is disposed on one side of the carrier 60', and a plurality of small short lines 30' are formed on the side of the polymer body 10' away from the carrier 60'.
  • the plurality of small short lines 30' are recessed structures and/or raised structures.
  • the small stub 30' has a top or bottom plane, and a side that surrounds the top or bottom plane, the sides being curved, and the curved faces of adjacent small stubs 30' are joined to form the spacing.
  • a shielding layer 61 is further disposed between the carrier 60' and the polymer layer 10', so that some areas of the mold do not need to be textured during the imprinting process, and the shielding layer 61 is used for shielding. The occlusion will not be cured during the curing process.
  • an electronic device cover 100 includes at least the texture structure of FIG. 3 ; may also include other texture structures, and other texture structures may also be a cylindrical mirror, a CD pattern, or a Fresnel lens. Or texture such as brushed lines.
  • an electronic device cover 100 includes at least the optical film disclosed in FIGS. 4-10.
  • the electronic device may be a 3C product or a household appliance, wherein the 3C product: a mobile phone, a PAD, a watch, a computer, an iPOD, a camera, etc., a household appliance: a refrigerator, a television, an air conditioner, a washing machine, and the like.
  • the 3C product a mobile phone, a PAD, a watch, a computer, an iPOD, a camera, etc.
  • a household appliance a refrigerator, a television, an air conditioner, a washing machine, and the like.
  • the present invention provides a new texture structure which can change the direction of small short lines in a certain direction or according to a desired effect, and the angle between the small short line and the horizontal direction can be from 0 to 180°. Variation; the side of the small short line is a curved surface, and the adjacent curved surfaces are connected to each other with an interval of an optical structure;
  • An electronic device cover plate provided by the present invention adopts the texture structure or the optical film, so that the rotation angle of the small short line can be flexibly applied to realize different light and shadow effects of the electronic device cover.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

本发明公开了一种纹理结构、光学薄膜、模具及电子设备盖板，所述纹理结构其包括分布的复数小短线，所述复数小短线凸起和/或凹陷设置，相邻所述小短线之间设有间隔，所述间隔形成光学结构。本发明提供一种新的纹理结构，该种纹理结构可以在一定的方向上随意或者根据想要的效果改变小短线的方向；小短线的侧面为弧形面，相邻的弧形面连接成间隔，间隔为光学结构；其中带有该种纹理结构的光学薄膜，选用该种纹理的光学薄膜在在一定光源下至少存在一根光柱，并且在一定程度上减少了彩虹纹对光影效果的影响；其中电子设备盖板，采用该种纹理结构或光学薄膜，这样可以灵活的应用小短线的旋转角度来实现电子设备盖板不同的光影效果。

Description

一种纹理结构、光学薄膜、模具及电子设备盖板
交叉参考相关引用
本申请要求2017年8月11日提交的申请号为201710686871.7的中国专利申请的优先权，上述申请参考并入本文。
技术领域
本发明涉及纹理、光学薄膜及设备盖板技术领域，尤其涉及一种纹理结构、光学薄膜、模具及电子设备盖板。
背景技术
随着科技的发展，装饰膜被广泛的应用于手机、电脑等电子产品、冰箱、空调、洗衣机等家用电器以及汽车等产品的表面。
现有的装饰膜用作手机、笔记本电脑等移动机器的表面材料，并用作冰箱、洗衣机、空调等的家用电器的成型用方式的表面材料，虽然通过凹版印刷来体现多种纹样和金属质感而被使用。
现有的装饰纹理一般为柱面镜或者印刷图案，采用印刷的图案分辨率并不是很高，二采用柱面镜一般会出现干扰柱面镜效果的彩虹纹，所以有必要开发新的装饰纹理。
发明内容
基于此，有必要提供一种纹理结构、光学薄膜、模具及电子设备盖板以解决以上所述的技术问题。
本发明的一个技术方案是：
一种纹理结构，其包括分布的复数小短线，所述复数小短线凸起和/或凹陷设置，相邻所述小短线之间设有间隔，所述间隔形成光学结构。
在其中一实施例中，至少存在两根小短线与水平方向存在夹角a、b，且夹角a不等于夹角b。
在其中一实施例中，至少存在两根小短线，其中一根所述小短线相对于另一根所述小短线偏转和/或偏移。
在其中一实施例中，所述复数小短线阵列设置，同一排内的所述小短线偏转设置， 且偏转角度变大或变小。
在其中一实施例中，同一排内至少存在一区域中所述小短线偏转角度为等差变化。
在其中一实施例中，同一排内，至少存在一区域中所述小短线的偏转角度从0至180度、从45至90度或从0至270度等差变化。
在其中一实施例中，所述小短线包括顶平面或底平面，及围绕所述顶平面或底平面的侧面，所述侧面为弧形面。
在其中一实施例中，所述顶平面或底平面为三角形、四边形、圆形或多边形。
在其中一实施例中，相邻两个所述小短线的弧形面连接形成所述间隔。
在其中一实施例中，所述小短线的顶平面或底平面为矩形，各小短线自所述矩形两对角线的交叉点偏转。
在其中一实施例中，相邻所述小短线的交叉点的距离相等。
在其中一实施例中，所述小短线的顶平面或底平面为矩形，同一排上，所述矩形的长度不变，所述矩形的宽度变化。
在其中一实施例中，所述光学结构呈现至少一条光影亮纹。
一种具有如上述所述的一种纹理结构的光学薄膜，所述光学薄膜包括聚合物层，所述纹理结构形成于所述聚合物层上。
在其中一实施例中，所述聚合物层为热固化或光固化胶层，所述纹理结构为在热固化或光固化胶层上压印成型的复数小短线和位于所述小短线之间的间隔。
在其中一实施例中，所述光固化胶为UV胶层；或者所述光固化胶层为有色UV胶层。
在其中一实施例中，相邻所述小短线之间的距离为10μm-200μm。
在其中一实施例中，所述聚合物层包括相对设置的第一侧和第二侧，所述小短线设置于所述第一侧，所述小短线至位于第二侧的表面的距离为0μm-200μm。
在其中一实施例中，至少存在两根小短线的高度差或深度差大于0.05μm且不大于2μm。
在其中一实施例中，所述小短线具有顶平面或底平面，所述顶平面或底平面为矩形，所述矩形的长度为80μm-150μm，所述矩形的宽度为1μm-120μm。
在其中一实施例中，所述矩形的长度不变，宽度变化，变化范围为3μm-100μm。
在其中一实施例中，所述纹理结构上覆盖有反射层，所述反射层上覆盖有着色层，所述聚合物层相对于纹理结构的另一侧设置有承载层。
在其中一实施例中，所述光学薄膜为装饰膜。
一种制备光学薄膜的模具，所述模具包括：
承载体；
聚合物体，其设置于所述承载体的一侧；
复数小短线，其形成于所述聚合物体远离所述承载体的一侧；
其中，所述复数小短线为凹陷和/或凸起结构，且所述小短线之间设有间隔。
一种电子设备盖板，所述电子盖板包括如上述所述的纹理结构。
一种电子设备盖板，所述电子盖板包括如上述所述的光学薄膜。
本发明的有益效果：
(一)本发明提供一种新的纹理结构，该种纹理结构可以在一定的方向上随意或者根据想要的效果改变小短线的方向，小短线与水平方向的夹角可以从0到180°变化；小短线的侧面为弧形面，相邻的弧形面连接成间隔，间隔为光学结构；
(二)本发明提供的一种带有该种纹理结构的光学薄膜，选用该种纹理的光学薄膜在在一定光源下至少存在一根光柱，并且在一定程度上减少了彩虹纹对光影效果的影响；
(三)本发明提供的一种电子设备盖板，采用该种纹理结构或光学薄膜，这样可以灵活的应用小短线的旋转角度来实现电子设备盖板不同的光影效果。
附图说明
图1为本发明一种电子设备盖板结构示意图；
图2为本发明一种纹理结构排布的其中一种结构示意图；
图3为本发明一种纹理结构示意图；
图4为本发明一种包括该纹理结构的光学薄膜截面结构示意图；
图5为本发明一种光学薄膜又一种截面结构示意图；
图6为本发明一种光学薄膜又一种截面结构示意图；
图7为本发明一种光学薄膜又一种截面结构示意图；
图8为本发明一种光学薄膜又一种截面结构示意图；
图9为本发明一种光学薄膜又一种截面结构示意图；
图10为本发明一种光学薄膜又一种截面结构示意图；
图11为本发明一种光学薄膜又一种截面结构示意图；
图12为本发明一种光学薄膜又一种截面结构示意图；
图13为本发明一种制备光学薄膜的模具截面结构示意图。
具体实施方式
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是，本发明可以通过许多不同的形式来实现，并不限于下面所描述的实施方式。相反地，提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。
需要说明的是，当元件被称为“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本发明。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
请参阅图3，本发明揭示一种纹理结构，其包括分布的复数小短线30。复数小短线30凸起和/或凹陷设置，相邻小短线30之间设有间隔，间隔形成光学结构，能产生光影效果。比如，在单光源下能观察到随角度移动的光影亮纹。
在其中一实施例中，至少存在两根小短线30与水平方向存在夹角a、b，且夹角a不等于夹角b。小短线30可以按照一个角度进行旋转(即所有的小短线30与水平方向夹角都相同)，或者小短线30可以旋转不同角度，这样小短线30与水平方向的夹角就存在不同。
在其中一实施例中，至少存在两根小短线30，其中一根小短线相对于另一根小短线偏转和/或偏移，也即两根小短线不在一排或一列上位置的相互错位，或者两根小短线在一排或一列上但具有不同的偏转角度，或者即相互错位又具有不同的偏转角度，等等。
在其中一实施例中，复数小短线阵列设置，同一排内的小短线偏转设置，且偏转角度变化，而同一列中的小短线偏转角度相同。小短线的偏转是指与水平方向具有夹角；或者小短线的自转；或者与排列方向具有夹角；或者以其中某一根小短线为基准，其他小短线相较于这根基准小短线的偏转等等。优选的，小短线的偏转均指在一个面内的转动。具体的，同一排内小短线偏转角度为等差变化；当然，小短线偏转角度也可以是非 等差变化；在同一排内，存在一区域所述小短线的偏转角度0～180度，也可以说所述小短线与水平方向所成的夹角为0～180度；或者也可以是存在一区域所述小短线的偏转角度45～90度；也就是说，在同一排中，可能只存在一个周期，例如小短线的偏转角度45～90度为一个周期，同一排中为这个周期的阵列；同样在同一排中可以存在多个周期，例如小短线的偏转角度从0～90度为一个周期，小短线的偏转角度从45～90度为另一个周期，不同周期在同一排中交替排列、随机排列或者按照其他方式排列，小短线的偏转角度起始角度可以是任意选取，没有特别的规定。其他实施例中，可为从0至270度变化。
在其中一实施例中，小短线包括顶平面或底平面，及围绕顶平面或底平面的侧面，侧面为弧形面。相邻两个小短线的弧形面连接形成所述间隔。顶平面或底平面为三角形、四边形、圆形或多边形。优选的，小短线的顶平面或底平面为矩形，各小短线自矩形两对角线的交叉点偏转。相邻小短线的交叉点的距离相等，为了达到其他的光影效果，也可以不按照对角线交叉点旋转，也可以是非等间距的。
在其中一实施例中，同一排上的小短线，矩形的长度不变，矩形的宽度是变化的。
在其中一实施例中，光学结构呈现至少一条光影条纹。
在其中一实施例中，请参阅图2，其中，复数小短线30排列呈一预定形式排列；预定形式排列为直线型20或大致呈直线型20，还可以按照需求，排列出不同的排列方式。
请参阅图4，本发明揭示一种光学薄膜，其包括聚合物层10和设置于聚合物层10表面的纹理结构。聚合物层10和纹理结构为一体结构。
聚合物层10为热固化或光固化胶层，纹理结构为在热固化胶或光固化胶层上压印成型的复数小短线和位于小短线之间的间隔。优选的，光固化胶层为UV胶层，纹理结构为在UV胶层上压印成型的复数小短线30和位于小短线之间的间隔31。其他实施例中，光固化胶层为有色UV胶层。小短线30为凹陷结构，相邻凹陷之间设置有间隔31。小短线30的凹陷结构具有底平面301和围绕底平面301的侧面302，侧面302为弧形面，相邻小短线30的弧形面连接成间隔31。间隔31通过弧形面成为光学结构，对光线的作用产生光学效果。
请参阅图10，图10中给出的小短线32为凸起结构，相邻小短线32之间设有间隔33。小短线32具有顶平面321和围绕顶平面321的侧面322，侧面322为弧形面。相邻小短线32的弧形面连接形成间隔33。间隔33通过弧形面成为光学结构，对光线的作用产生光学效果。
在其中一实施例中，请参阅图4和图10，复数小短线30、32中至少存在一根小短 线与水平方向存在夹角。
在其中一实施例中，请参阅图4和图10，复数小短线30、32中至少存在两根小短线与水平方向存在夹角a、b，且夹角a不等于夹角b。
此光学薄膜上设有纹理结构，并且可以根据实现不同的光学效果，来旋转复数小短线30、32的角度，使之呈现不同的角度，实现预想的效果。小短线30、32的底平面301或顶平面321均为矩形，或者为近似矩形，自矩形的两对角线的交叉点偏转。优选的，同一排内的小短线30、32的偏转设置，且偏转角度依次变大，而同一列中的小短线偏转角度相同。具体的，同一排内小短线30、32偏转角度等差变化，比如偏转角度为0至180度。相邻小短线30、32的交叉点的距离相等。
在其中一实施例中，复数小短线排列呈一预定形式排列。在其中一实施例中，所述预定形式排列为直线型或大致呈直线型，所述的小短线也可以排列成其他的形状。
其其中一实施例中，请参阅图4和图10，相邻小短线30、32之间的距离为10μm-200μm。
在其中一实施例中，请参阅图4、图5和图10，图4中小短线30和图5中的小短线34为凹陷结构，图10中小短线32为凸起结构。此时小短线30的底平面距离聚合物层另一侧表面的距离为大于0且小于200μm。请参图5，小短线34的底平面距离聚合物层10另一侧表面的距离为0，也即小短线贯穿聚合物层10。图10中，小短线32凸起的顶平面至聚合物层的另一侧表面的距离为小于200μm。
在其中一实施例中，至少存在两根小短线的高度差或深度差大于0.05μm且不大于2μm。这样的设计可减少工艺上的难度，并且能都实现预想的光学效果，而该高度差带来的光学效果人眼很难察觉。
在其中一实施例中，小短线为凸起结构，若干小短线中至少存在两根小短线的高度存在高度差，且差值大于2μm且小于100μm。当小短线为凹陷结构时，至少存在两根小短线深度差大于2μm且小于100μm。此处将小短线的凸起高度差或者凹陷的深度差设置比较大，这样的设置可以带来不同的视觉效果，使的光学薄膜的视觉效果更佳丰富，更能增加适应不同用户的需求，给客户带来更多的变化感。
请参图4和图10，小短线30的底平面301或小短线32的顶平面321为矩形，矩形的长度为80μm-150μm，矩形的宽度为1μm-120微米。其他实施例中，矩形的长度不变，宽度变化，比如变化的范围为3μm-100μm，能呈现变化的光学效果，使得光学薄膜的视觉效果更佳丰富，更能增加适应不同用户的需求，给客户带来更多的变化感。
在其中一实施例中，请参阅图6和图11，纹理结构上覆盖有反射层40。反射层40可以起到调色的作用和/或反射的作用，当聚合物层的材料选用有色聚合物时，反射层40可以仅起到反射的作用，也可以与有色聚合物层10一起起到调色的作用。
在其中一实施例中，请参阅图7和图12，反射层40上覆盖有着色层50。着色层50可以为有色油墨，可以作为打底的作用，也可以与反射层之间配合调色的作用。
在其中一实施例中，请参图5和图8，可以是部分层次结构，也可以就是电子设备盖板的截面。聚合物层10的第二侧设置有承载层60，承载层60可以是PET、PC、PMMA等基材，还可以是玻璃、金属、蓝宝石等基材。
在其中一实施例中，请参阅图9，聚合物层10与承载层60之间设有粘结层70，图9可以为部分层次结构，也可以就是电子设备盖板的截面。承载层60可以是PET、PC、PMMA等基材，还可以是玻璃、金属、蓝宝石等基材。
在其中一实施例中，光学薄膜为装饰膜。
请参图13，本发明揭示一种制备光学薄膜的模具。模具包括承载体60’、聚合物体10’和复数小短线30’。聚合物体10’设置于承载体60’的一侧，复数小短线30’形成于聚合物体10’远离承载体60’的一侧。其中，复数小短线30’为凹陷结构和/或凸起结构。相邻小短线30’之间具有间隔。小短线30’具有顶平面或底平面，和围绕顶平面或底平面的侧面，侧面为弧形面，相邻小短线30’的弧形面连接成所述间隔。另外所述承载体60’与所述聚合物层10’之间还设有遮挡层61，这样模具在压印的过程中有一些区域是不需要纹理的，所述采用遮挡层61遮蔽，这样在固化的过程中遮挡处将不被固化。
请参阅图1，一种电子设备盖板100，电子盖板至少包括图3上的纹理结构；还可以包含其他纹理结构的叠加，其他纹理结构还可以柱面镜、CD纹、菲涅耳透镜或者拉丝纹等纹理。
请参阅图1，一种电子设备盖板100，所述电子盖板至少包括图4到图10中揭示的所述光学薄膜。
所述的电子设备可以为3C产品或者家用电器，其中，3C产品：手机、PAD、手表、电脑、iPOD、相机等，家用电器：冰箱、电视、空调、洗衣机等。
本发明的技术方案至少包括以下优点：
(一)本发明提供一种新的纹理结构，该种纹理结构可以在一定的方向上随意或者根据想要的效果改变小短线的方向，小短线与水平方向的夹角可以从0到180°变化； 小短线的侧面为弧形面，相邻的弧形面连接成间隔，间隔为光学结构；
(二)本发明提供的一种带有该种纹理结构的光学薄膜，选用该种纹理的光学薄膜在在一定光源下至少存在一根光柱，并且在一定程度上减少了彩虹纹对光影效果的影响；
(三)本发明提供的一种电子设备盖板，采用该种纹理结构或光学薄膜，这样可以灵活的应用小短线的旋转角度来实现电子设备盖板不同的光影效果。
为使本发明的上述目的、特征和优点能够更加明显易懂，上面结合附图对本发明的具体实施方式做详细的说明。在上面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于上面描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似改进，因此本发明不受上面公开的具体实施例的限制。并且，以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (26)

  1. 一种纹理结构，其特征在于，其包括分布的复数小短线，所述复数小短线凸起和/或凹陷设置，相邻所述小短线之间设有间隔，所述间隔形成光学结构。
  2. 根据权利要求1所述的一种纹理结构，其特征在于，至少存在两根小短线与水平方向存在夹角a、b，且夹角a不等于夹角b。
  3. 根据权利要求1所述的一种纹理结构，其特征在于，至少存在两根小短线，其中一根所述小短线相对于另一根所述小短线偏转和/或偏移。
  4. 根据权利要求3所述的一种纹理结构，其特征在于，所述复数小短线阵列设置，同一排内的所述小短线偏转设置，且偏转角度变大或变小。
  5. 根据权利要求4所述的一种纹理结构，其特征在于，同一排内至少存在一区域中所述小短线偏转角度为等差变化。
  6. 根据权利要求5所述的一种纹理结构，其特征在于，同一排内，至少存在一区域中所述小短线的偏转角度从0至180度、从45至90度或从0至270度等差变化。
  7. 根据权利要求1至6项中任一项所述的一种纹理结构，其特征在于，所述小短线包括顶平面或底平面，及围绕所述顶平面或底平面的侧面，所述侧面为弧形面。
  8. 根据权利要求7所述的一种纹理结构，其特征在于，所述顶平面或底平面为三角形、四边形、圆形或多边形。
  9. 根据权利要求7所述的一种纹理结构，其特征在于，相邻两个所述小短线的弧形面连接形成所述间隔。
  10. 根据权利要求7所述的一种纹理结构，其特征在于，所述小短线的顶平面或底平面为矩形，各小短线自所述矩形两对角线的交叉点偏转。
  11. 根据权利要求10所述的一种纹理结构，其特征在于，相邻所述小短线的交叉点的距离相等。
  12. 根据权利要求7所述的一种纹理结构，其特征在于，所述小短线的顶平面或底平面为矩形，同一排上，所述矩形的长度不变，所述矩形的宽度变化。
  13. 根据权利要求1至6项中任一项所述的一种纹理结构，其特征在于，所述光学结构呈现至少一条光影亮纹。
  14. 一种具有如权利要求1至13项中任一项所述的一种纹理结构的光学薄膜，其特征在于，所述光学薄膜包括聚合物层，所述纹理结构形成于所述聚合物层上。
  15. 根据权利要求14所述的光学薄膜，其特征在于，所述聚合物层为热固化或光 固化胶层，所述纹理结构为在热固化或光固化胶层上压印成型的复数小短线和位于所述小短线之间的间隔。
  16. 根据权利要求15所述的光学薄膜，其特征在于，所述光固化胶层为UV胶层；或者所述光固化胶层为有色UV胶层。
  17. 根据权利要求14所述的光学薄膜，其特征在于，相邻所述小短线之间的距离为10μm-200μm。
  18. 根据权利要求14所述的光学薄膜，其特征在于，所述聚合物层包括相对设置的第一侧和第二侧，所述小短线设置于所述第一侧，所述小短线至位于第二侧的表面的距离为0μm-200μm。
  19. 根据权利要求14所述的光学薄膜，其特征在于，至少存在两根小短线的高度差或深度差大于0.05μm且不大于2μm。
  20. 根据权利要求14所述的光学薄膜，其特征在于，所述小短线具有顶平面或底平面，所述顶平面或底平面为矩形，所述矩形的长度为80μm-150μm，所述矩形的宽度为1μm-120μm。
  21. 根据权利要求20所述的光学薄膜，其特征在于，所述矩形的长度不变，宽度变化，变化范围为3μm-100μm。
  22. 根据权利要求14所述的光学薄膜，其特征在于，所述纹理结构上覆盖有反射层，所述反射层上覆盖有着色层，所述聚合物层相对于纹理结构的另一侧设置有承载层。
  23. 根据权利要求14所述的光学薄膜，其特征在于，所述光学薄膜为装饰膜。
  24. 一种制备光学薄膜的模具，其特征在于，所述模具包括：
    承载体；
    聚合物体，其设置于所述承载体的一侧；
    复数小短线，其形成于所述聚合物体远离所述承载体的一侧；
    其中，所述复数小短线为凹陷和/或凸起结构，且所述小短线之间设有间隔。
  25. 一种电子设备盖板，其特征在于，所述电子盖板包括如权利要求1-13项中任一项所述的纹理结构。
  26. 一种电子设备盖板，其特征在于，所述电子盖板包括如权利要求14-22项中任一项所述的光学薄膜。
PCT/CN2018/090758 2017-08-11 2018-06-12 一种纹理结构、光学薄膜、模具及电子设备盖板 WO2019029259A1 (zh)

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