CN212219772U - Gradual change decorative film - Google Patents

Gradual change decorative film Download PDF

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Publication number
CN212219772U
CN212219772U CN201922376386.7U CN201922376386U CN212219772U CN 212219772 U CN212219772 U CN 212219772U CN 201922376386 U CN201922376386 U CN 201922376386U CN 212219772 U CN212219772 U CN 212219772U
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China
Prior art keywords
coating
gradual change
film
substrate
texture
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CN201922376386.7U
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Chinese (zh)
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崔静娜
房爱梅
裴郁蕾
张家鑫
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BYD Co Ltd
Shantou BYD Electronics Co Ltd
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BYD Co Ltd
Shantou BYD Electronics Co Ltd
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Priority to CN201922376386.7U priority Critical patent/CN212219772U/en
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Abstract

The utility model provides a diaphragm is decorated to gradual change. The gradual change decoration membrane comprises a membrane substrate, a gradual change coating arranged on the membrane substrate, a texture coating arranged on the gradual change coating, an optical coating layer arranged on the texture coating and a bottom covering ink layer arranged on the optical coating layer, wherein the gradual change coating comprises at least one gradual change area, each gradual change area comprises an ink point, and the covering ratio of the ink points in the same gradual change direction in the gradual change area is gradually increased or gradually reduced. In the gradually-changed decorative film, the gradually-changed coating can realize the gradually-changed effect of different colors; the texture coating can present different texture effects and can generate different reflection effects under the optical action, so that the texture coating is matched with the gradient coating to generate various colorful effects, and the gradient effect is better; the optical coating layer can realize the gradual change effect according to the change of the reflection wavelength, and is beneficial to ensuring the gradual change effect so that the gradual change decorative film has gorgeous and colorful effect.

Description

Gradual change decorative film
Technical Field
The utility model relates to a decorating film technical field especially relates to a diaphragm is decorated to gradual change.
Background
Along with the change of computers, communication and consumer electronics (3C products for short) and the development of data transmission technology, the application of the glass shell and the plastic shell made of transparent materials on the 3C products is wider and wider, and along with the application and popularization of the transparent materials, the appearance requirement of users on the decoration effect of the electronic products is higher and higher, so that the gradually-changed decoration membrane with the gradually-changed effect is increasingly concerned by people.
The existing gradient decoration diaphragm mainly realizes the gradient effect by plating an optical coating layer on a diaphragm substrate, particularly realizes the gradient effect by changing the reflection wavelength through the change of the coating thickness, but the gradient of adjacent colors (yellow-red-purple-blue-green) can only be realized through the change of the reflection wavelength, so that the gradient color is limited, and the effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diaphragm is decorated to gradual change to solve the limited and not good problem of effect of current gradual change decoration diaphragm gradual change colour.
The utility model provides a diaphragm is decorated to gradual change, be in including diaphragm substrate, setting gradual change coating, setting on the diaphragm substrate are in texture coating, setting on the gradual change coating are in optics coating layer and setting on the texture coating are in printing ink layer at the bottom of the lid on the optics coating layer, the gradual change coating includes at least one gradual change region, each the gradual change region includes the printing ink point, the printing ink point that lies in same gradual change direction among the gradual change region cover the ratio and increase gradually or reduce gradually.
Preferably, the coverage of the ink dots is 5% to 100%.
Preferably, the thickness of the ink dots is 2.5-15 microns, and the particle size of the ink dots is 12-80 microns.
Preferably, the transition area comprises a pattern transition area and/or a non-pattern transition area.
Preferably, the film substrate is a transparent substrate or a translucent substrate.
Preferably, the membrane substrate is a PET substrate, a PC substrate or a PC-PMMA composite substrate.
Preferably, the texture coating comprises texture traces arranged according to a texture pattern, the line pitch of the texture traces is less than 50 micrometers, and the thickness of the texture coating is 3-20 micrometers.
Preferably, the optical coating layer is a metal film layer, a metal oxide film layer, a non-metal oxide film layer or a metal fluoride film layer.
Preferably, the thickness of the optical coating layer is less than 200 nanometers.
Preferably, the thickness of the capping ink layer is 6 to 30 micrometers.
The utility model discloses an in the diaphragm is decorated in the gradual change, set up the gradual change coating on the diaphragm substrate to realize the gradual change effect of different colours, avoid the limited problem of colour that optics gradual change exists. The texture coating with the raised or sunken micro-nano texture is arranged on the gradient coating, so that the effect of presenting different textures is realized, and the textures in the texture coating can generate different reflection effects under the optical action, so that the textures are matched with the gradient coating, various multicolor effects can be matched, and the gradient effect is better. The optical coating layer is arranged on the texture coating layer, so that the gradual change effect can be realized according to the change of the reflection wavelength in the optical coating layer, the gradual change effect is favorably ensured, and the gradual change decorative diaphragm has a gorgeous and colorful effect. And a bottom ink layer is arranged on the optical coating layer, so that the effect of effectively protecting the gradually-changed decorative membrane can be achieved.
Drawings
Fig. 1 is a schematic view of a gradually-changing decoration film according to an embodiment of the present invention.
Wherein, 10, a membrane substrate; 20. a gradient coating layer; 21. a gradual change region; 22. a non-gradation region; 30. a texture coating; 31. texture routing; 40. an optical coating layer; 50. and covering the bottom ink layer.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic view of a gradually-changing decorative film according to an embodiment of the present invention. As shown in figure 1 of the drawings, in which,
the gradually-changed decorative film comprises a film substrate 10, a gradually-changed coating 20 arranged on the film substrate 10, a texture coating 30 arranged on the gradually-changed coating 20, an optical coating layer 40 arranged on the texture coating 30 and a bottom-covering ink layer 50 arranged on the optical coating layer 40, wherein the gradually-changed coating 20 comprises at least one gradually-changed area 21, each gradually-changed area 21 comprises an ink point, and the covering proportion of the ink points in the same gradually-changed direction in the gradually-changed area 21 is gradually increased or gradually reduced.
The film substrate 10 is a substrate for a gradation decorative film, and is a substrate for coating ink.
In one embodiment, the film substrate 10 is a transparent substrate or a translucent substrate. As an example, a semitransparent substrate with an optical transmittance of 20% to 98% may be used as the film substrate 10 of the gradual-change decorative film, so that the formed gradual-change decorative film has a certain light transmittance, and the gradual-change decorative film may cooperate with the texture coating 30 and the optical coating layer 40 to generate an optical effect, thereby presenting a better gradual-change effect.
In one embodiment, the film substrate 10 is a PET substrate, a PC substrate, or a PC-PMMA composite substrate. The PET (Polyethylene terephthalate) is a resin with a smooth and glossy surface, and the gradual-change decorative film made of the PET substrate can ensure the smoothness and the gloss of the surface of the substrate, so that the gradual-change effect of the finally obtained gradual-change decorative film is ensured. PC (Polycarbonate) is an almost colorless glassy amorphous polymer and thermoplastic resin with good optical property, and the gradual change decorative film made of the PC substrate can ensure the light transmission performance and is beneficial to ensuring the gradual change effect of the finally obtained gradual change decorative film. PMMA (polymethyl methacrylate, for short) is a resin having high transparency, low price and easy processing, and is often used as a substitute for glass. The PC-PMMA substrate is a composite substrate formed by adding PC on the PMMA substrate, so that the PC-PMMA substrate has the advantages of both PC and PMMA, the gradual change effect of the finally obtained gradual change decorative film is guaranteed, and the manufacturing cost can be reduced.
The gradient coating 20 is a coating that is coated on the film base material 10 and can realize a color gradient function, and specifically, a coating formed by arranging ink that can realize a color gradient effect on the film base material 10. In this example, the graded coating comprises at least one graded region 21, the graded region 21 being the region where the grading effect is achieved. Each gradient area 21 comprises a plurality of ink dots, and the colors of the ink dots are not limited, so that the gradient coating 20 can realize gradient effects of different colors, and the problem of limited gradient colors is avoided.
In this embodiment, the coverage ratios of the ink dots at different positions in the gradation area 21 are different, so that the gradation area 21 exhibits different gradation effects. Generally, the greater the coverage ratio of the ink dots, the darker the color presented by the gradation region 21; the smaller the coverage ratio of the ink dots, the lighter the color is presented by the gradation area 21. The coverage ratio of the ink dots is a ratio of an area of the ink dots distributed in a unit area in the gradation region 21 to a unit area, and the unit area is a preset area. It is understood that the ink dots coated on the gradation area 21 may be divided into a uniform arrangement or may be arranged in a plurality of ink dots in an aggregate manner.
As an example, if the unit area in the gradation region 21 is 1 square centimeter, and if the area corresponding to the ink dot coated in the gradation region 21 corresponding to 1 square centimeter is 0.6 square centimeter, the coverage percentage of the gradation region 21 corresponding to the unit area is 60%. In this example, it is assumed that the gradation region 21 located in the same gradation direction is sequentially divided into N subdivided regions corresponding to unit areas; if the color needs to be changed from dark to light, the coverage ratio of the ink dots of the (i + 1) th subdivision area is smaller than that of the ink dots of the (i) th subdivision area, for example, the coverage ratio is gradually reduced from 100% to 5%; if the color needs to be changed from light to dark, the coverage ratio of the ink dots in the (i + 1) th subdivision area is larger than that of the ink dots in the (i) th subdivision area, for example, the coverage ratio is gradually increased from 5% to 100%.
Specifically, the coverage ratio of the ink dots at the same gradation direction in the gradation region 21 is gradually increased or gradually decreased. As an example, the coverage area of the ink dots in the same gradient direction in the gradient area 21 gradually increases, so that the ink color in the same gradient direction in the gradient area 21 becomes darker and darker, and a gradient process from light to dark is realized. As another example, the coverage ratio of the ink dots in the same gradient direction in the gradient area 21 is gradually decreased, so that the color of the ink in the same gradient manner in the gradient area 21 is gradually lighter, and a gradient process from deep to light is realized.
As an example, the coverage ratio of the ink dots can be set according to actual requirements, so that the coverage ratio of the ink dots is 5% -100%, the higher the coverage ratio, the heavier the color, the lower the coverage ratio, and the lighter the color, so as to realize the gradual change effect by using different coverage ratios at different positions. It is understood that, in order to ensure the display of the gradual change effect, the visible light transmittance at any position of the gradual change coating layer 20 needs to be greater than 10%.
In an embodiment, the thickness of the ink dots is 2.5 to 15 micrometers, that is, the ink dots at the same position in the gradient area 21 in the same gradient direction gradually increase or decrease, and the thickness range thereof is 2.5 to 15 micrometers, so that the thickness of the ink dots at the same position in the gradient area 21 in the same gradient direction is not uniform, so that the gradient area 21 exhibits the gradient effect.
In one embodiment, the ink dots have a particle size of 12-80 microns. The particle size of the ink dots can be set independently according to actual conditions, so that the particle size of the ink dots is 12-80 micrometers, and the conditions that the printing process of the ink is complicated and even printing cannot be performed due to the fact that the particle size is too small are avoided; and avoids the influence on the appearance effect of the gradually-changed decorative film caused by the excessively large particle size.
In this example, the ink dots disposed on the film substrate 10 are flat, the thickness of the ink dots in the vertical direction is 2.5 to 15 micrometers, the particle size of the ink dots in the horizontal direction is 12 to 80 micrometers, and the particle size of the ink dots can be understood as the maximum value of the length between any two dots on the edge of the ink dots. For example, if the ink dots are circular, the particle size is the length of the diameter; if the ink dots are rectangular, the particle size is greater than the diagonal length.
As an example, the graded coating 20 may have only one graded region 21; at least two gradual change areas 21 can also be arranged, and the two adjacent gradual change areas 21 can be separated by a non-gradual change area 22, or the two adjacent gradual change areas 21 can be directly spliced together and can be arranged according to actual requirements. The non-gradation area 22 is an area without gradation effect, the non-gradation area 22 is composed of ink dots having the same coverage ratio, and the non-gradation area 22 has no gradation effect because the coverage ratios of the ink dots are the same.
As an example, when the graded coating 20 includes a graded region 21 and a non-graded region 22, the graded region 21 may be disposed around the non-graded region 22 to achieve a graded effect of radiating from the non-graded region 22 to the periphery.
In an embodiment, the transition area 21 comprises a pattern transition area and/or a non-pattern transition area. Here, the pattern gradation area refers to a gradation area 21 that realizes a gradation effect on a specific image. The non-pattern gradation area refers to a gradation area 21 that does not achieve a gradation effect for a specific image, that is, a gradation area 21 that is merely a color gradation. As an example, the gradient area 21 in the gradient coating 20 may be a pattern gradient area, a non-pattern gradient area, or both a pattern gradient area and a non-pattern gradient area, which is set according to actual requirements.
The textured coating 30 is a coating applied over the gradient coating 20 that reflects a particular texture pattern. As an example, the texture coating 30 is a coating with raised or depressed micro-nano-scale textures disposed on the graded coating 20, which can make the graded decoration film present different textures, and the micro-nano-scale textures can generate different reflection effects under the optical action. It can be understood that the texture coating 30 and the gradient coating 20 can be matched to produce various magic color effects, so that the gradient effect is better.
In one embodiment, the texture coating 30 includes texture traces 31 arranged according to a texture pattern, a line pitch of the texture traces 31 is less than 50 micrometers, and a thickness of the texture coating 30 is 3-20 micrometers. The texture wire 31 is a wire for forming a texture pattern, the texture wire 31 is a nano-scale wire, so that the texture coating 30 forms a nano-scale texture, the line pitch of the texture wire 31 is less than 50 micrometers, and a dazzling effect can be realized, that is, the dazzling texture effect is made by using the variation of the trend, the pitch and the thickness of the texture wire 31, so that the dazzling texture wire and the gradient coating 20 are matched to form various magic color effects. The thickness of the texture coating 30 is 3-20 microns, so that the situation that the printing ink printing process is complex and even printing cannot be performed due to too small thickness is avoided; and avoids cracking of the texture coating 30 caused by overlarge thickness, so that the quality of the gradually-changed decorative film is poor.
The optical coating layer 40 is a thin film layer coated on the texture coating layer 30, can adjust the requirements of light reduction or light increase such as light reflection, beam splitting, color separation, light filtering, polarization and the like, and has a certain color gradient function. The optical coating layer 40 is matched with the gradual change coating 20 and the texture coating 30, so that the gradual change effect of the gradual change decorative film is better.
In one embodiment, the optical coating layer 40 is a metal film, a metal oxide film, a non-metal oxide film or a metal fluoride film. As an example, a thin film of metal, metal oxide, non-metal oxide or metal fluoride may be coated on the coating object (i.e., the texture coating 30) by a coating method to form a metal film layer, a metal oxide film layer, a non-metal oxide film layer or a metal fluoride film layer, so as to change the reflection and transmission characteristics of the texture coating 30, such that the reflection wavelength thereof is changed, thereby ensuring the achievement of the gradual change effect.
As an example, the optical coating layer 40 may be a coating with uniform color or a coating with gradient effect and non-uniform color. It is understood that if the optical coating layer 40 is a coating layer with a gradient effect, the manufacturing process and structure thereof are the same as the gradient coating layer 20, and therefore, for avoiding repetition, detailed descriptions thereof are omitted.
In one embodiment, the thickness of the optical coating layer 40 is less than 200 nm. Understandably, the smaller thickness of the optical coating layer 40 can make the optical transmittance higher, thereby ensuring the appearance of the gradual change effect.
The base ink layer 50 is a coating layer coated on the optical coating layer 40 for protection, specifically a coating layer formed by coating gloss oil on the optical coating layer 40. In this example, the provision of the cover bottom ink layer 50 can make the product pattern effect and the internal structure separated from each other, so as to achieve the protection effect.
In one embodiment, the thickness of the bottom ink layer 50 is 6 to 30 micrometers, so that the bottom ink layer 50 has a certain thickness, and has good hardness and wear resistance, and can better play a role in protection; moreover, the luminosity and the brightness of the fabric are guaranteed, and the fabric has better hand feeling.
The utility model provides a diaphragm is decorated to gradual change sets up gradual change coating 20 on diaphragm substrate 10 to realize the gradual change effect of different colours, avoid the limited problem of colour that optics gradual change exists. The texture coating 30 with the convex or concave micro-nano texture is arranged on the gradient coating 20, so that the effect of presenting different textures is realized, and the textures in the texture coating 30 can generate different reflection effects under the optical action, so that the textures are matched with the gradient coating 20 to form various magic color effects, and the gradient effect is better. The optical coating layer 40 is arranged on the texture coating layer 30, so that a gradual change effect can be realized according to the change of the reflection wavelength in the optical coating layer 40, the gradual change effect is favorably ensured, and the gradual change decorative diaphragm has a gorgeous and colorful effect. And the bottom ink layer 50 is arranged on the optical coating layer 40, so that the effect of effectively protecting the gradually-changed decorative film can be achieved.
The manufacturing process of the gradually-changing decorative film provided by the embodiment needs to comprise the following steps: s1: firstly, designing a pattern effect, and then designing a screen printing plate according to the pattern effect; s2: selecting a membrane substrate 10; s3: selecting a suitable gradient ink for realizing a gradient effect according to the membrane substrate 10; s4: curing the gradient ink on the film substrate 10 to obtain a gradient coating 20; s5: printing a texture coating 30 on the gradient coating 20 by using a texture transfer printing technology; s6: coating the texture coating 30 to form an optical coating layer 40; s7: coating a cover bottom ink layer 50 on the optical coating layer 40; s8: and cutting to obtain the gradually-changed decorative film.
Example 1, the production of a graded decorative film comprises the following steps: s11: firstly, designing a pattern effect, and then designing a screen printing plate according to the pattern effect; s12: selecting a PET substrate as a membrane substrate 10; s13: selecting a suitable gradient ink for realizing a gradient effect according to the membrane substrate 10; s14: curing the gradient ink on the film substrate 10 by adopting an offset printing mode to obtain a gradient coating 20; s15: printing a texture coating 30 on the gradient coating 20 by using a texture transfer printing technology; s16: coating the texture coating 30 to form an optical coating layer 40; s17: coating a cover bottom ink layer 50 on the optical coating layer 40; s18: and cutting to obtain the gradually-changed decorative film.
Example 2, the manufacturing of a graded decorative film comprises the following steps: s21: firstly, designing a pattern effect, and then designing a screen printing plate according to the pattern effect; s22: selecting a PC-PMMA composite substrate as a membrane substrate 10; s23: selecting a suitable gradient ink for realizing a gradient effect according to the membrane substrate 10; s24: curing the gradient ink on the membrane substrate 10 by adopting a screen printing mode to obtain a gradient coating 20; s25: printing a texture coating 30 on the gradient coating 20 by using a texture transfer printing technology; s26: coating the texture coating 30 to form an optical coating layer 40; s27: coating a cover bottom ink layer 50 on the optical coating layer 40; s28: and cutting to obtain the gradually-changed decorative film.
Example 3, the manufacturing of the graded decoration film comprises the following steps: s31: firstly, designing a pattern effect, and then designing a screen printing plate according to the pattern effect; s32: selecting a PC substrate as a membrane substrate 10; s33: selecting a suitable gradient ink for realizing a gradient effect according to the membrane substrate 10; s34: curing the gradual change printing ink on the film substrate 10 by adopting a gravure printing mode to obtain a gradual change coating 20; s35: printing a texture coating 30 on the gradient coating 20 by using a texture transfer printing technology; s36: coating the texture coating 30 to form an optical coating layer 40; s37: coating a cover bottom ink layer 50 on the optical coating layer 40; s38: and cutting to obtain the gradually-changed decorative film.
The following tests were carried out on the graduated decorative films obtained in examples 1 to 3 above:
(1) adhesion test
The test method comprises the following steps: the coating was scribed 12 scratches using the back of a scalpel, at least two of which were at 90 ° angles to the other scratches, to form a grid on the surface, the grid having 1 mm sides. Ensuring that each score cuts to the base material. Brush 5 times in each direction along the scribe. A3M tape (tape type 3M600) was applied to the surface, rubbed tightly with the fingertip to ensure good contact with the coating, and peeled off regularly within 0.5-1 second from the free end of the tape at an angle of 60 ° within 5 minutes.
(2) Neutral salt spray test
The test method comprises the following steps: the equipment is a salt water spray testing machine PC240005, and salt spray experiment tests are carried out for 48 hours to visually observe whether the color and luster of the paint film are changed or not. If the color and the gloss are not changed, the test is regarded as passed.
(3) Constant temperature and humidity test
The test method comprises the following steps: the samples were allowed to stand at each of-40 ℃ and 85 ℃ for 2 hours for a cycle, with a switching time of less than 10 seconds and a recovery time of less than 5 minutes for 10 cycles, and after the test was completed, the samples were recovered at room temperature for 2 hours. The condition of the sample was then observed. If the paint film has no bubble after the test, the sample has no abnormal phenomena such as cracking, falling, bubbling, discoloring and the like of the coating, and the test is regarded as passed.
(4) Cold and heat shock test
The test method comprises the following steps: the samples were allowed to stand at each of-40 ℃ and 85 ℃ for 2 hours for a cycle, with a switching time of less than 10 seconds and a recovery time of less than 5 minutes for 10 cycles, and after the test was completed, the samples were recovered at room temperature for 2 hours. The condition of the sample was then observed. If the paint film has no bubble after the test, the sample has no abnormal phenomena such as cracking, falling, bubbling, discoloring and the like of the coating, and the test is regarded as passed.
The test results are shown in the following table one:
table one test results
The adhesive force test adopts the test standard of ISO2409, and the grades are as follows:
5B: the edges of the cuts are completely smooth, and the squares of the grid are not peeled off;
4B: the area of the peeled portion is not more than 5% of the area of the adhesive tape in contact with the surface;
3B: the area of the peeled portion is more than 5% and not more than 15% of the area of the adhesive tape in contact with the surface;
2B: the area of the peeled portion is more than 15% and not more than 35% of the area of the adhesive tape in contact with the surface;
1B: the area of the peeled portion is more than 35% and not more than 65% of the area of the adhesive tape in contact with the surface.
The test requires that the adhesive force performance is more than or equal to 3B.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The gradual change decorative film is characterized by comprising a film substrate, a gradual change coating arranged on the film substrate, a texture coating arranged on the gradual change coating, an optical coating layer arranged on the texture coating and a bottom covering ink layer arranged on the optical coating layer, wherein the gradual change coating comprises at least one gradual change area, each gradual change area comprises ink points, and the covering proportion of the ink points in the same gradual change direction in the gradual change area is gradually increased or gradually reduced.
2. The progressive decorative film of claim 1 wherein said ink dots have a coverage of 5% to 100%.
3. The progressive decorative film of claim 1 wherein said ink dots have a thickness of 2.5 to 15 microns and a particle size of 12 to 80 microns.
4. The progressive decorative film of claim 1, wherein the progressive area comprises a pattern progressive area and/or a non-pattern progressive area.
5. The graded decorative film of claim 1, wherein the film substrate is a transparent substrate or a translucent substrate.
6. The graded decorative film of claim 1, wherein the film substrate is a PET substrate, a PC substrate, or a PC-PMMA composite substrate.
7. The graded decorative film according to claim 1, wherein the textured coating includes textured traces arranged according to a textured pattern, the textured traces having a line spacing of less than 50 microns, and the textured coating having a thickness of 3-20 microns.
8. The graded decorative film of claim 1, wherein the optical coating layer is a metal film layer, a metal oxide film layer, a non-metal oxide film layer or a metal fluoride film layer.
9. The graded decorative film of claim 1, wherein the thickness of the optical coating layer is less than 200 nm.
10. The graded decorative film of claim 1, wherein the thickness of the ink capping layer is 6-30 microns.
CN201922376386.7U 2019-12-25 2019-12-25 Gradual change decorative film Active CN212219772U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113043782A (en) * 2021-04-19 2021-06-29 抚州联创恒泰光电有限公司 Decorative sheet and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113043782A (en) * 2021-04-19 2021-06-29 抚州联创恒泰光电有限公司 Decorative sheet and manufacturing method thereof

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