CN102079213B - Color film - Google Patents

Color film Download PDF

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Publication number
CN102079213B
CN102079213B CN200910188451.1A CN200910188451A CN102079213B CN 102079213 B CN102079213 B CN 102079213B CN 200910188451 A CN200910188451 A CN 200910188451A CN 102079213 B CN102079213 B CN 102079213B
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color film
fluorescence coating
sio
fluorescence
ybo
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CN200910188451.1A
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CN102079213A (en
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孙永亮
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BYD Co Ltd
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BYD Co Ltd
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Abstract

The invention relates to a decorative material, in particular to a color film. The color film comprises a multi-layered optical film layer, wherein the multi-layered optical film layer is formed by alternately piling multiple fluorescent layers and multiple non-fluorescent layers; the reflective index of the non-fluorescent layer is (1.1)-(1.6); and the reflective index of the fluorescent layer is larger than that of the non-fluorescent layer. The color film provided by the invention has good visual sense of beauty in weak light or darkness, and the products are easy to find.

Description

A kind of color film
Technical field
The present invention relates to a kind of ornament materials, be specifically related to the color film of one for electronic product incrustation.
Background technology
Due to the development of scientific and technological progress and society, electronic product is except the function of product own is strengthened, and the visual effect of its outward appearance also becomes one of index of the overall evaluation.Special visual effect is also decorated and is also had higher requirement its case surface.
At present, general adopt electroplate in case surface, the multiple decorative means such as applying coatings.But it is more single, beautiful not to electroplate color.The wearability and the poor stability that apply.So occurred at shell surface deposition multilayer optical film, utilize light refraction between plural layers different from the light path of reflection and different angles, thereby different angles present different colors, form and dazzle color effect.
Although the electronic product color of deposition optical thin film is beautiful abundant, in low light level situation, or unglazed product at night will lose its gorgeous appearance, and often has the puzzlement that can not find product.
Summary of the invention
Technical problem to be solved by this invention is: the color film in existing surface, can not meet the visual sense of beauty under the low light level or under unglazed, thereby the invention provides the color film still under a kind of low light level or under unglazed with good visual aesthetic feeling.
A kind of color film, comprises multilayer optical rete, and described multilayer optical rete replaces stacking forming by some fluorescence coatings and some non-fluorescence coatings; The refractive index of described non-fluorescence coating is 1.1～1.6; The refractive index of described fluorescence coating is greater than the refractive index of described non-fluorescence coating.
Color film provided by the invention, it still can have good visual sense of beauty under the low light level or in dark, and is easy to search product.
Detailed description of the invention
A kind of color film, comprises multilayer optical rete, and described multilayer optical rete replaces stacking forming by some fluorescence coatings and some non-fluorescence coatings; The refractive index of described non-fluorescence coating is 1.1～1.6; The refractive index of described fluorescence coating is greater than the refractive index of described non-fluorescence coating.
Wherein, optical film is known in those skilled in the art.
Of the present inventionly replace stacking referring to according to fluorescence coating/non-fluorescence coating/fluorescence coating/non-fluorescence coating ... mode carry out stacking.
Non-fluorescence coating of the present invention refers to common optical film, can not send the optical film of fluorescence.
The material of each non-fluorescence coating can be identical, also can be different.
Preferably, the material of non-fluorescence coating is selected from SiO, SiO 2and MgF 2in one or more.
Fluorescence coating of the present invention can send fluorescence in night or low light level situation.
The material of the preferred fluorescence coating of the present invention is selected from Y 2o 3: Eu, BaMg 2al 16o 27: Eu, MgAl 11o 19: Ce, YBO 3: Tb, YBO 3: Eu, in Gd one or more.
Wherein, Y 2o 3: Eu, BaMg 2al 16o 27: Eu, MgAl 11o 19: Ce, YBO 3: Tb, YBO 3: Eu, Gd is fluorescent material known in those skilled in the art.Above-mentioned substance all can be commercially available or oneself preparation.
Fluorescent material is generally made up of matrix and activator, and the present invention selects rare earth element as activator.
Preferably, the percentage composition of the rare earth element in above-mentioned fluorescent material is 0.01～0.6wt%.
The material difference of the preferred each fluorescence coating of the present invention, some fluorescence coatings are made up of the fluorescence coating of different materials.Different fluorescence coatings can be launched the fluorescence of different wave length different colours, through reflection and refraction between multilayer optical film, can form more colorful visual effect.
Preferably, the refractive index of fluorescence coating is 1.8～3.
The preferred multilayer optical rete of the present invention is 4～15 layers, more preferably 5～11 layers.
In optical film, the optical thickness of non-fluorescence coating and fluorescence coating is 1/2 λ, and when 1/2 λ, reflex is the most obvious.λ is that a certain visible ray is at its propagation medium medium wavelength.
The geometric thickness of fluorescence coating is 100～195nm, and the geometric thickness of non-fluorescence coating is 140～260nm.
Preferably, multilayer optical rete of the present invention is SiO 2layer and Y 2o 3: Eu layer replaces stacking multilayer optical rete.
Multilayer optical rete of the present invention, because the refractive index of fluorescence coating and non-fluorescence coating is had any different, so form the alternately laminated multilayer film of high low-refraction with better optical effect.The material of fluorescence coating of the present invention, under the high light effects such as sunshine, absorb luminous energy, luminous energy is stored, stop after irradiation or low light level situation under, the luminous energy storing discharges in the mode of fluorescence lentamente, and through reflected refraction between high low-index layer, at night or dark place, still can see beautiful fluorescent effect.The special fluorescence coating of working as adopts different fluorescent materials, the effect finally reaching is for to have under optical condition, product surface presents bright and colourful color film, present the color film of fluorescence at night or dark place, can find easily the product that has used this coloured silk film, bring gorgeous color and convenient to life.
Color film provided by the present invention, it keeps adhesion, wearability and corrosion resistance better, and lucuriant in design, has fluorescent effect.
The preparation method of color film provided by the present invention is known in those skilled in the art.For example deposition etc.
Wherein, be deposited as physical vapour deposition (PVD) known in those skilled in the art (PVD), for example evaporation plating, sputter plating and ion plating etc.Plating is preferably evaporated in the present invention.
Wherein, evaporation plating is to adopt box evaporation coating apparatus, sputter plating to adopt rf magnetron sputtering, ion plating to adopt medium frequency magnetron sputtering ion plating equipment to realize plated film.These methods have been conventionally known to one of skill in the art, do not repeat them here.
In addition, preferably, before substrate surface forms film, have the base material of greasy dirt to carry out Ultrasonic Cleaning for surface, described method for suppersonic cleaning is also also conventionally known to one of skill in the art, does not repeat them here.
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In following examples, start to compile level number with the side near matrix.Level number is that one deck of 1 is the ground floor being deposited on matrix.
Embodiment 1
Level number Material Thickness/nm
1 Y 2O 3:Eu 130
2 SiO 2 173
3 YBO 3:Tb 137
4 SiO 2 173
5 Y 2O 3:Eu 130
6 SiO 2 173
7 YBO 3:Tb 137
8 SiO 2 173
Be designated as M1.
Embodiment 2
Level number Material Thickness/nm
1 Y 2O 3:Eu 130
2 SiO 2 173
3 YBO 3:Tb 137
4 SiO 2 173
Be designated as M2.
Embodiment 3
Level number Material Thickness/nm
1 Y 2O 3:Eu 130
2 SiO 2 173
3 Y 2O 3:Eu 130
4 SiO 2 173
5 Y 2O 3:Eu 130
6 SiO 2 173
7 Y 2O 3:Eu 130
8 SiO 2 173
9 Y 2O 3:Eu 130
10 SiO 2 173
11 Y 2O 3:Eu 130
Be designated as M3.
Embodiment 4
Level number Material Thickness/nm
1 Y 2O 3:Eu 130
2 MgF 2 192
3 YBO 3:Tb 137
4 MgF 2 192
5 Y 2O 3:Eu 130
6 MgF 2 192
7 YBO 3:Tb 137
8 MgF 2 192
Be designated as M4.
Embodiment 5
Level number Material Thickness/nm
1 YBO 3:Eu，Gd 118
2 SiO 167
3 YBO 3:Eu，Gd 118
4 SiO 167
5 YBO 3:Eu，Gd 118
6 SiO 167
7 YBO 3:Eu，Gd 118
8 SiO 167
9 YBO 3:Eu，Gd 118
10 SiO 167
11 YBO 3:Eu，Gd 118
12 SiO 167
13 YBO 3:Eu，Gd 118
14 SiO 167
15 YBO 3:Eu，Gd 118
Be designated as M5.
Embodiment 6
Level number Material Thickness/nm
1 SiO 2 173
2 MgAl 11O 19:Ce 144
3 SiO 2 173
4 MgAl 11O 19:Ce 144
5 SiO 2 173
6 MgAl 11O 19:Ce 144
7 SiO 2 173
8 MgAl 11O 19:Ce 144
9 SiO 2 173
10 MgAl 11O 19:Ce 144
11 SiO 2 173
12 MgAl 11O 19:Ce 144
13 SiO 2 173
14 MgAl 11O 19:Ce 144
15 SiO 2 173
Be designated as M6.
Comparative example 1
Level number Material Thickness/nm
1 ZrO 2 130
2 SiO 2 173
3 ZrO 2 130
4 SiO 2 173
5 ZrO 2 130
6 SiO 2 173
7 ZrO 2 130
8 SiO 2 173
9 ZrO 2 130
10 SiO 2 173
11 ZrO 2 130
12 SiO 2 173
13 ZrO 2 130
14 SiO 2 173
15 ZrO 2 130
Be denoted as AC1.
Performance test:
Degree pH-value determination pH: carry out the test of workpiece colourity with color difference meter, output L, a, tri-groups of data of b.
Adhesion is measured: draw the square lattice of 100 1 millimeter × 1 millimeter in coated surface with drawing lattice device, smooth being bonded on grid of adhesive tape that is 600 by the model that Minnesota Mining and Manufacturing Company produces, do not stay a space, then vertically uncover with prestissimo, whether observation cut edge has or not comes off.If demoulding amount is 5B between 0-5%, between 5-10%, be 4B, between 10-20%, be 3B, between 20-30%, be 2B, between 30-50%, be 1B, more than 50%, be 0B.
Wearability is measured: workpiece is put into oscillating mill continuous shaking grinding and after 2 hours, take out product, whether the corner angle of observation workpiece and surperficial plated film have comes off.
Neutral salt spray (NSS) test: workpiece is placed on to temperature in 35 DEG C, the chamber (HOLINK H-SST-90 salt spraytest machine) of humidity >=85%RH taking the inclination angle of 25 degree, with the solution (solution compolision: 50 grams per liter NaCl) of pH=6.8, after spraying continuously 168 hours, take out; Whether rinse 5 minutes and dry up with hair-dryer with normal temperature clear water, at room temperature place 1 hour, observing workpiece outward appearance has extremely (hot spot or corrode line).Represent the corrosion resistance of rete by the result of neutral salt spray test.
Fluorescent brightness: measure and adopt integrating sphere (CL-200F) to test.
Table 1
Product M1 M2 M3 M4 M5 M6 AC1
Chromatic value (L, a, b) L：72 a：-64 b：64 L：80 a：-65 b：63 L：58 a：-55 b：55 L：70 a：-60 b：64 L：65 a：-58 b：55 L：66 a：-56 b：53 L：70 a：-62 b：62
Adhesion 4B 4B 4B 4B 4B 4B 4B
Wearability All without coming off All without coming off All without coming off All without coming off All without coming off All without coming off All without coming off
Salt spray test Without abnormal Without abnormal Without abnormal Without abnormal Without abnormal Without abnormal Without abnormal
Fluorescent brightness 16mcd 6mcd 10mcd 11mcd 12mcd 12mcd 0
As can be seen from Table 1, the color film of embodiment no matter in chromatic value, adhesion, wearability and salt spray test all with AC1 in same level, show that color film of the present invention can meet property indices.
Wherein, M1, M2, M4 have colorful fluorescent effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (7)

1. a color film, comprises multilayer optical rete, and described multilayer optical rete replaces stacking forming by some fluorescence coatings and some non-fluorescence coatings; The refractive index of described non-fluorescence coating is 1.1～1.6; The refractive index of described fluorescence coating is greater than the refractive index of described non-fluorescence coating; The material of described fluorescence coating is selected from Y 2o 3: Eu, BaMg 2al 16o 27: Eu, MgAl 11o 19: Ce, YBO 3: Tb, YBO 3: Eu, in Gd one or more; The material of described non-fluorescence coating is selected from SiO, SiO 2, MgF 2in one or more.
2. color film according to claim 1, is characterized in that: the percentage composition of the material rare earth elements of described fluorescence coating is 0.01～0.6wt%.
3. color film according to claim 1, is characterized in that: the material difference of described each fluorescence coating.
4. color film according to claim 1, is characterized in that: the number of plies of described color film is 4～15 layers.
5. color film according to claim 4, is characterized in that: the number of plies of described color film is 5～11 layers.
6. color film according to claim 1, is characterized in that: the geometric thickness of described fluorescence coating is 100～195nm, and the geometric thickness of described non-fluorescence coating is 140～260nm.
7. color film according to claim 1, is characterized in that: the refractive index of described fluorescence coating is 1.8～3.
CN200910188451.1A 2009-11-27 2009-11-27 Color film Active CN102079213B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102079213B true CN102079213B (en) 2014-11-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159436A (en) * 1984-05-31 1985-12-04 Josef Koumbas Decorative artefact
CN1694806A (en) * 2002-09-12 2005-11-09 日本板硝子株式会社 Luminescent-film-coated product
EP1615054A1 (en) * 2004-07-07 2006-01-11 Olympus Corporation Multilayer minus filter and fluorescence microscope
CN101346650A (en) * 2005-12-23 2009-01-14 3M创新有限公司 Multilayer films including thermoplastic silicone block copolymers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159436A (en) * 1984-05-31 1985-12-04 Josef Koumbas Decorative artefact
CN1694806A (en) * 2002-09-12 2005-11-09 日本板硝子株式会社 Luminescent-film-coated product
EP1615054A1 (en) * 2004-07-07 2006-01-11 Olympus Corporation Multilayer minus filter and fluorescence microscope
CN101346650A (en) * 2005-12-23 2009-01-14 3M创新有限公司 Multilayer films including thermoplastic silicone block copolymers

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