CN103245990A - Novel high-permeable and high-haze easy-to-clean diffusion plate and preparation method thereof - Google Patents
Novel high-permeable and high-haze easy-to-clean diffusion plate and preparation method thereof Download PDFInfo
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- CN103245990A CN103245990A CN2012100271409A CN201210027140A CN103245990A CN 103245990 A CN103245990 A CN 103245990A CN 2012100271409 A CN2012100271409 A CN 2012100271409A CN 201210027140 A CN201210027140 A CN 201210027140A CN 103245990 A CN103245990 A CN 103245990A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B2207/00—Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups
- G02B2207/101—Nanooptics
Abstract
The invention discloses a novel high-permeable and high-haze easy-to-clean diffusion plate and the preparation method thereof. The novel diffusion plate is super high in light transmittance (greater than 96 percent) while high haze is ensured, the luminous flux of a lamp can be improved considerably, and the usage quantity and power consumption of lamp sources can be reduced under the condition of same luminous flux. The novel high-permeable and high-haze easy-to-clean diffusion plate is prepared by using a low-price template method which is compatible with the preparation method of a common diffusion plate, and has a wide market application prospect. The novel high-permeable and high-haze easy-to-clean diffusion plate and the preparation method thereof are applicable to the application field of efficient and uniform diffusion of various light sources, such as dodging and the like of a direct backlight and side light source LED illumination lamps and lanterns, (down lamp, grille lamp, aluminum lamp, panel light lamp, advertising lamp box, professional film viewer and the like), as well as a panel display backlight.
Description
Technical field
The present invention relates to saturating high mist degree easy cleaning diffuser plate of a kind of novel height and preparation method thereof, belong to light functional high molecule material preparation field.
Background technology
Light diffusing sheet is widely used in the various LED light fixture products, LED can be dazzled point of destination light and become soft, healthy face light, produces good visual effect thereby light is evenly distributed.Traditional diffuser plate is to carry out means such as frosted processing to form certain microstructure at material surface, but the diffuser plate mist degree that utilizes this method preparation is low and light absorption is high, transmittance is low, only can reach about 50%, has had a strong impact on the utilization ratio of led light source.Recently the light that occurs is to be that matrix, composite inorganic micron particles form with optically transparent polymethylmethacrylate (PMMA) by the type diffuser plate, this kind compound substance makes that light constantly reflects between inorganic particle and resin, reflection and scattering, has mist degree and light diffusion effect preferably.Yet, because the reflection on diffuser plate surface has had a strong impact on light transmission rate, be about 80% only, optical energy loss is higher.Under the background of demand day by day along with the flourish and energy-conserving and environment-protective of LED room lighting, how designing and process the novel diffuser plate with high saturating, high mist degree and performance easy to clean and one has become the technical barrier that application product R﹠D personnel urgent need is captured.
Nano bionic is learned and be studies show that: the nanometer mastoid process array structure that insect compound eye anterior corneal surface covers has efficient anti-reflection characteristic, this kind architectural feature makes the membrane plane effective refractive index increase gradually to complete substrate from complete air, eliminated the sudden change of refractive index at the interface, wide wave spectrum and extensive angle have been had desirable antireflective effect.Inspired by this, by the biosome top layer nanostructured that simulation was evolved through 1 years, design the bionic nano conuli on existing light diffusing sheet surface and play array, be expected to reduce reflection, increase transmission, easy to clean, develop the Multifunction diffuser plate.This patent has further proposed the development of multifunction diffuser plate, and this novel nano structured material does not appear in the newspapers as yet.
Summary of the invention
The object of the present invention is to provide the saturating high mist degree of a kind of novel height diffuser plate easy to clean.
This diffuser plate plate body is the transparent polymer material that contains the light diffusion particle, and diffuser plate plate body single or double has wide spectrum antireflection bionic nano structure easy to clean;
By mixing the light diffusion particle in plate body inside, and construct the means of wide spectrum antireflection bionic nano structure easy to clean in diffuser plate plate body single or double, the present invention can improve the prior art shortcoming and have high transmission rate, high mist degree, function easy to clean can reduce usage quantity or the power consumption in lamp source under the condition of equal luminous flux.
In order to achieve the above object, another object of the present invention is to propose to prepare the above-mentioned preparation technology who carries the saturating high mist degree of novel height diffuser plate easy to clean.
At first mix massfraction and be 2%～20% light diffusion particle in the transparent polymer material under the molten condition, extruding cooling forming via " extruder " under the molten condition is diffuser plate.
Above-mentioned diffuser plate plate body plate body material is transparent polymer material, and this transparent polymer material can select for use the thermoplasticity optical material as polymethylmethacrylate (PMMA), polycarbonate (PC), polystyrene (PS), polyethylene terephthalate (PET), polyacrylate, styrene-acrylonitrile copolymer (SAN), ethylene-tetrafluoroethylene copolymer (ETFE), poly(4-methyl-1-pentene) (TPX) or thermosetting optical material such as CR-39 transparent epoxy resin etc.
The light diffusion particle mean grain size that mix above-mentioned diffuser plate plate body inside is 200nm～500 μ m, and composition is inorganic or the organic filler material.As: one or more in monox, silicon dioxide, titania, calcium carbonate, polycarbonate, polymethylmethacrylate, copolymer of methyl methacrylatestyrene, the styrene-TFE copolymer.
Next is to contain the wide spectrum antireflection of the diffuser plate plate body surface construction bionic nano structure easy to clean of light diffusion particle, this wide spectrum antireflection bionic nano structure easy to clean is to be made of three-dimensional gradual change nanometer array of protrusions or duct cell array, this three-dimensional gradual change nanometer array of protrusions or pore passage structure unit size are even, the axis is vertical with basal plane, size becomes big from bottom to top gradually or diminishes, the bottom diameter is at 50nm～500nm, highly be 50nm～12 μ m, the refractive index of this nano bionic structure from the substrate refractive index to the air refraction gradual change;
Above-mentioned wide spectrum antireflection bionic nano structure easy to clean, its constituent are the transparent polymer material with plate body material of the same race.
For achieving the above object, the present invention has adopted following technical scheme:
In the template with three-dimensional gradual change nanometer array of protrusions or duct cell array structure in macromolecular material, macromolecular material monomer, macromolecule precursor and the Polymer Solution of filling and substrate material of the same race any one, make the complete complex of macromolecular material or solidify the back and adopt demoulding method that the high molecular nanometer structure that forms is separated with template, obtain this wide spectrum antireflection bionic nano structure easy to clean;
As preferred embodiment a kind of, this method is the solution casting method that combines nano impression:
At first with described macromolecule dissolution in appropriate solvent, the formation weight fraction is 1～50% Polymer Solution, viscosity and boiling characteristics according to solution, select by casting, (rotating speed is 100～10000rpm) in spin coating, dipping lift (pull rate be 0.01～10mm/min) or continuously method such as coating be coated on the diffuser plate plate body, more described template is covered on it, apply certain pressure; Then according to the character of macromolecular material and solvent, different vacuum tightnesss (as, 0.1～101325Pa), solvent as described in different temperatures (as 0～300 ℃) is dry; At last the high molecular nanometer structure of template and formation is peeled off, thereby obtained target product.
As another kind of preferred implementation, this method is the pressure sintering that combines nano impression:
At first described diffuser plate plate body is placed on the described template, according to the difference of the required processing temperature of concrete material, is heated on the glass temperature of solid material 20～100 ℃.Under this temperature, apply the pressure of 1～500kPa, and the 0～300min that keep-ups pressure.After treating that temperature is down to room temperature, remove pressure, at last template is peeled off, obtain target product.
As another preferred implementation, this method is the light polymerization method that combines nano impression:
At first according to viscosity with volatile different, at different monomers, monomer solution or macromolecule presoma are selected casting, (rotating speed is 100～10000rpm) in spin coating, dipping lift (pull rate be 0.01～10mm/min) or continuously method such as coating be coated on the aforementioned diffuser plate plate body, again described template is covered on it, apply the pressure of 0～500Pa according to actual needs, and according to the characteristic of material therefor (wavelength is 10～800nm) light irradiation 0.1s～60min with corresponding sensitization wave band, after treating polymeric hardener, the high molecular nanometer structure of template and formation is peeled off, thereby obtained target product.Previous reaction can be carried out under the situation that has or do not have light trigger to participate in.
As another preferred implementation, this method is that to combine the hot polymerization of nano impression legal:
At first according to viscosity with volatile different, at different monomers, monomer solution or macromolecule presoma are by casting, (rotating speed is 100～10000rpm) in spin coating, dipping lift (pull rate be 0.01～10mm/min) or continuously method such as coating be coated on the aforementioned diffuser plate plate body, again described template is covered on it, then under the pressure of 0～500Pa, progressively heat up or directly be warming up to macromolecule heat curing temperature (10～300 ℃), treat polymeric hardener, after treating that temperature is down to room temperature, the high molecular nanometer structure of template and formation is peeled off, thereby obtained target product.
The template with three-dimensional gradual change nanometer array of protrusions or duct cell array structure that aforementioned template adopts is alumina formwork, metallic nickel template or fluoropolymer template.
Aforementioned alumina formwork is that pitch of holes is controlled in 50nm～500nm scope, the back taper type nano-pore array structure alumina formwork of high-sequential, and it can be by being equipped with from orderly legal system based on the galvanochemistry under the high current field condition.Particularly, the structure of this alumina formwork and preparation technology thereof can be that CN101838834.A and application number are 201110006345.4 application for a patent for invention referring to the publication number of this case inventor proposition specifically.Aforementioned metal nickel template can adopt based on aforementioned alumina formwork utilizes electrochemical deposition method to prepare, the application number that the metallic nickel template of the three-dimensional manometer array of protrusions structure of high-sequential and template complementation, the structure of this metallic nickel template and preparation technology thereof specifically can propose referring to this case inventor is 201110054017.1 application for a patent for invention.The application number that the structure of aforementioned fluoropolymer template and preparation technology thereof specifically can propose referring to this case inventor is 201110094310.0 application for a patent for invention.
Adopt direct demold method or solution dissolution method that macromolecule membranous layer is separated with template in the preceding method;
Described direct demold method is: the diffusion plate body and/or the template that at room temperature have the bionic nano structure with the external force traction surface, the high molecular nanometer structure that forms on the diffusion plate body is separated with template, described template surface also passed through the modification pre-service of fluorine-containing or siliceous molecule or other low-surface-energy materials before placing or being coated with macromolecular material, macromolecular material monomer, macromolecule presoma or Polymer Solution;
Described solution dissolution method is: adopt the described template of solubilized, and the solution that can not damage macromolecule membranous layer soaks template, thereby removal template, for example, for alumina formwork, can adopt concentration is sodium hydroxide solution immersion 1～24h of 10wt%～40wt%, is that 3wt% hydrochloric acid and volumetric molar concentration are cupric chloride mixed solution immersion 0.5～3h of 3mol/L with concentration perhaps, for the metallic nickel template, can adopt wang aqueous solution to soak 0.5～3h.
Description of drawings
Be described further below with reference to the technique effect of accompanying drawing to structure, preparation method and the generation of patent of the present invention, with purpose, feature and the effect of understanding patent of the present invention fully.Wherein:
Fig. 1 is a kind of structural representation of Multifunction diffuser plate.Wherein 1 is the diffuser plate plate body, and 2 is the light diffusion particle, and 3 is wide spectrum antireflection macromolecule bionic nano easy to clean structure;
Fig. 2 is the electromicroscopic photograph of the high molecular nanometer biomimetic features on the saturating high mist degree of novel height diffuser plate easy to clean surface among the embodiment 1 and the Optical transmission spectrum curve map of this diffuser plate, wherein, Fig. 2 a is the front view of high molecular nanometer biomimetic features, and Fig. 2 b is the side view of high molecular nanometer biomimetic features; Fig. 2 c is the Optical transmission spectrum curve map of the saturating high mist degree of novel height diffuser plate easy to clean;
Fig. 3 is the photo figure in kind of the saturating high mist degree of novel height diffuser plate easy to clean.
Embodiment
Below in conjunction with accompanying drawing and some preferred embodiments technical scheme of the present invention is further described, but protection scope of the present invention is not limited by these embodiment.
Embodiment 1
Consult Fig. 1 and Fig. 2, present embodiment is the silicon dioxide (SiO that at first utilizes different-grain diameter different quality mark
2) the light diffusion particle mixes in polymethylmethacrylate (PMMA) base material and be prepared into the light diffusing sheet plate body, next utilizes the aperture at the back taper type alumina formwork of 50nm～500nm, by the wide spectrum antireflection structure of macromolecule that the nanometer pressure sintering has the different structure parameter in the diffuser plate plate body surface preparation of above-mentioned preparation, its process is:
(PMMA) is warming up to molten state with polymethylmethacrylate, mix then mean grain size at 200nm～500 μ m massfractions at 2%～20% silicon dioxide light diffusion particle (SiO
2), the molten state base material that then inside is contained silicon dioxide light diffusion particle extrudes via " extruder " and cooling forming is the thick light diffusing sheet of 2mm; Then with two apertures at the back taper type alumina formwork of 50nm～500nm respectively as for the both sides of the diffuser plate of above-mentioned preparation and be heated to 140 ℃, apply the pressure of 500kPa, behind the pressurize 30min, be down to room temperature.Relief pressure, and with 40% NaOH alumina formwork is removed, the saturating high mist degree of the novel height diffuser plate easy to clean that the surface has wide spectrum anti-reflection nano bionic structure obtained.The bionical film of a kind of antireflection high molecular nanometer that is made by present embodiment as shown in Figure 3.
Embodiment 2
Consult Fig. 1 and Fig. 2, present embodiment is that polycarbonate (PC) the light diffusion particle that at first utilizes different-grain diameter different quality mark mixes in polymethylmethacrylate (PMMA) base material and is prepared into the light diffusing sheet plate body, next utilizes the aperture at the back taper type alumina formwork of 50nm～500nm, by the wide spectrum antireflective film of macromolecule that the legal diffuser plate plate body surface preparation in above-mentioned preparation of nanometer hot polymerization has the different structure parameter, its process is:
(PMMA) is warming up to molten state with polymethylmethacrylate, mix then mean grain size at 200nm～500 μ m massfractions at 2%～20% polycarbonate (PC) light diffusion particle, the molten state base material that then inside is contained polycarbonate (PC) light diffusion particle extrudes via " extruder " and cooling forming is the thick light diffusing sheet plate body of 2mm; Be that the methyl methacrylate prepolymer of 0.1% initiating agent benzoyl peroxide (BP0) casts in two apertures respectively on the back taper type alumina formwork of 50nm～500nm with being dissolved with massfraction, again with above-mentioned cope and drag pattern plate respectively as for the both sides of diffuser plate plate body, and apply the pressure of 50kPa and be warming up to 100 ℃ of polymerization 12h gradually.After treating the near room temperature of temperature, take out sample and also with 40% NaOH alumina formwork is removed, obtain the saturating high mist degree of the novel height diffuser plate easy to clean that two surfaces have wide spectrum anti-reflection bionic nano structure.
Embodiment 3
Present embodiment is that polycarbonate (PC) the light diffusion particle that at first utilizes different-grain diameter different quality mark mixes in polymethylmethacrylate (PMMA) base material and is prepared into the light diffusing sheet plate body, next utilizes the aperture in the back taper type metallic nickel template of 50nm～500nm, have the wide spectrum anti-reflection of the macromolecule nanostructured of different structure parameter by nanometer ultraviolet polymerization method in the diffuser plate plate body surface preparation of above-mentioned preparation, its process is:
(PMMA) is warming up to molten state with polymethylmethacrylate, participate in then mean grain size at 200nm～500 μ m massfractions at 2%～20% polycarbonate (PC) light diffusion particle, the molten state base material that then inside is contained polycarbonate (PC) light diffusion particle is extruded and the thick light diffusing sheet plate body of cooling forming 5mm via " extruder "; Back taper type metallic nickel template at 50nm～500nm is fumigated one deck silicon fluoride (FAS) unimolecular layer in the aperture then, the methyl methacrylate prepolymer that is dissolved with the light trigger benzoin ether of massfraction 0.1% is cast in respectively on two above-mentioned templates, with the cope and drag pattern plate respectively on two surfaces as for the diffuser plate plate body, and apply the pressure of 20kPa.UV-irradiation 5min with 365nm.After treating the near room temperature of temperature, take out sample and remove the nickel template, obtain the saturating high mist degree of the novel height diffuser plate easy to clean that two surfaces have wide spectrum antireflection bionic nano structure easy to clean.
Embodiment 4
Present embodiment is the silicon dioxide (SiO that at first utilizes different-grain diameter different quality mark
2) the light diffusion particle mixes in polycarbonate (PC) base material and be prepared into the light diffusing sheet plate body, next utilizes the aperture in the back taper type metallic nickel template of 50nm～500nm, by the wide spectrum antireflective film of macromolecule that solution casting method has the different structure parameter in the diffuser plate plate body surface preparation of above-mentioned preparation, its process is:
(PC) is warming up to molten state with polycarbonate, participate in then mean grain size at 200nm～500 μ m massfractions at 2%～20% silicon dioxide (SiO
2) the light diffusion particle, then inside is contained silicon dioxide (SiO
2) the light diffusion particle the molten state base material via " extruder " extrude and cooling forming be the thick light diffusing sheet plate body of 5mm; Then in the aperture in stifling one deck silicon fluoride (FAS) unimolecular layer of the back taper type metallic nickel template of 50nm～500nm, polycarbonate (PC) is dissolved in to form weight fraction in the tetrahydrofuran (THF) be 40% Polymer Solution.With this solution-cast on aforementioned nickel template, with two nickel templates respectively on two surfaces as for the diffuser plate plate body, at an atmospheric pressure (101325Pa), treat under 40 ℃ to remove the nickel template after solvent evaporates fully, obtain the saturating high mist degree automatically cleaning diffuser plate of novel height that two surfaces have wide spectrum antireflection bionic nano structure easy to clean.
In the previous embodiment 1～4 structure and the preparation technology thereof of the alumina formwork that adopts and metallic nickel template be that CN101838834.A and application number are 201110006345.4,201110054017.1 application for a patent for invention referring to publication number specifically.
Find that after tested the saturating high mist degree automatically cleaning diffuser plate of the novel height of previous embodiment 1～4 gained has the high saturating and diffusion of superior wide spectrum, mean transmissivity is greater than 96% in 380nm～860nm wavelength coverage, and mist degree is greater than 98%.
In sum, be several preferable specific embodiments among the present invention.All technician in the art make various corresponding changes and distortion under this invention's idea on the basis of existing technology, all should belong to the protection domain of the appended claim of the present invention.
Claims (8)
1. the saturating high mist degree of novel height diffuser plate easy to clean, it is characterized in that: this diffuser plate plate body is the transparent polymer material that contains the light diffusion particle, and diffuser plate plate body single or double has wide spectrum antireflection bionic nano structure easy to clean.
2. the saturating high mist degree of novel height as claimed in claim 1 diffuser plate easy to clean is characterized in that the transparent polymer material of described smooth diffusion particle is selected the thermoplasticity optical material for use: polymethylmethacrylate, polycarbonate, polystyrene, polyethylene terephthalate, polyacrylate, styrene-acrylonitrile copolymer, ethylene-tetrafluoroethylene copolymer, poly(4-methyl-1-pentene); Or thermosetting optical material: CR-39 transparent epoxy resin.
3. the saturating high mist degree of novel height as claimed in claim 1 diffuser plate easy to clean, it is characterized in that the mean grain size of described smooth diffusion particle at 200nm～500 μ m, composition is inorganic or the organic filler material: one or more in monox, silicon dioxide, titania, calcium carbonate, polycarbonate, polymethylmethacrylate, copolymer of methyl methacrylatestyrene, the styrene-TFE copolymer.
4. the saturating high mist degree of novel height as claimed in claim 1 diffuser plate easy to clean, it is characterized in that the described preparation method who contains the transparent polymer material of light diffusion particle is: mix massfraction and be 2%～20% light diffusion particle in the transparent polymer material under the molten condition, extruding cooling forming via extruder under the molten condition is diffuser plate.
5. the saturating high mist degree of novel height as claimed in claim 1 diffuser plate easy to clean, it is characterized in that described wide spectrum antireflection bionic nano structure easy to clean is to be made of three-dimensional gradual change nanometer array of protrusions or duct cell array, this three-dimensional gradual change nanometer array of protrusions or pore passage structure unit size are even, the axis is vertical with basal plane, size becomes big from bottom to top gradually or diminishes, the bottom diameter that contacts with described diffuser plate plate body is at 50nm～500nm, highly be 50nm～12 μ m, the refractive index of this bionic nano structure from the substrate refractive index to the air refraction gradual change.
6. as claim 1 or the saturating high mist degree of 5 described novel height diffuser plate easy to clean, the constituent that it is characterized in that described wide spectrum antireflection bionic nano structure easy to clean for the transparent polymer material of described diffuser plate plate body material of the same race.
7. the preparation method of one kind wide spectrum antireflection bionic nano structure easy to clean, it is characterized in that: any one in the template with three-dimensional gradual change nanometer array of protrusions or duct cell array structure in macromolecular material, macromolecular material monomer, macromolecule precursor and the Polymer Solution of filling and substrate material of the same race, make macromolecular material fill complex or curing, after removing template, obtain this wide spectrum antireflection bionic nano structure easy to clean.
8. as the preparation method of right 7 described wide spectrum antireflections bionic nano structure easy to clean, it is characterized in that: the template of described employing refers to have alumina formwork, metallic nickel template or the fluoropolymer template of back taper type nano aperture array.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210027140.9A CN103245990B (en) | 2012-02-08 | 2012-02-08 | A kind of saturating haze easy cleaning diffuser plate of novel height and its preparation method |
| PCT/CN2013/071368 WO2013117150A1 (en) | 2012-02-08 | 2013-02-05 | High-transmittance high-haze easy-clean diffusion board and preparation method thereof |
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| CN201210027140.9A CN103245990B (en) | 2012-02-08 | 2012-02-08 | A kind of saturating haze easy cleaning diffuser plate of novel height and its preparation method |
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| CN103245990B CN103245990B (en) | 2016-06-08 |
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| WO (1) | WO2013117150A1 (en) |
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| CN103969941A (en) * | 2014-05-26 | 2014-08-06 | 苏州大学 | Mask as well as preparation method and graphing method thereof |
| CN104371208A (en) * | 2014-12-05 | 2015-02-25 | 成都领航科技股份有限公司 | Master batch of high-transmittance and high-masking diffusion plate, method for manufacturing master batch and method for manufacturing diffusion plate |
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| CN103969941A (en) * | 2014-05-26 | 2014-08-06 | 苏州大学 | Mask as well as preparation method and graphing method thereof |
| CN104371208A (en) * | 2014-12-05 | 2015-02-25 | 成都领航科技股份有限公司 | Master batch of high-transmittance and high-masking diffusion plate, method for manufacturing master batch and method for manufacturing diffusion plate |
| CN104371208B (en) * | 2014-12-05 | 2017-04-19 | 成都领航科技股份有限公司 | Master batch of high-transmittance and high-masking diffusion plate, method for manufacturing master batch and method for manufacturing diffusion plate |
| CN106432937A (en) * | 2016-09-09 | 2017-02-22 | 海信容声(广东)冰箱有限公司 | Light diffusion material and method for preparing lampshade by adopting light diffusion material |
| CN107843945A (en) * | 2017-11-06 | 2018-03-27 | 张永宏 | A kind of stable light diffusing sheet of light resistance |
| CN107643556A (en) * | 2017-11-06 | 2018-01-30 | 张永宏 | A kind of good light diffusing sheet of diffusivity |
| CN107577005A (en) * | 2017-11-06 | 2018-01-12 | 张永宏 | A kind of steady light diffusing sheet of size |
| CN107934912A (en) * | 2017-12-07 | 2018-04-20 | 天津大学 | A kind of micro-nano driver of bionical paramecium |
| TWI676816B (en) * | 2018-08-22 | 2019-11-11 | 白金科技股份有限公司 | Diffuser |
| CN109058933A (en) * | 2018-08-23 | 2018-12-21 | 中山驰马灯饰照明设计工程有限公司 | A kind of antifog compound lampshade of anti-blue light |
| CN109058933B (en) * | 2018-08-23 | 2022-04-15 | 中山驰马灯饰照明设计工程有限公司 | Prevent antifog compound lamp shade of blue light |
| CN110703362A (en) * | 2019-10-14 | 2020-01-17 | 合肥乐凯科技产业有限公司 | High haze high-covering atomization film |
| CN110703362B (en) * | 2019-10-14 | 2024-02-13 | 合肥乐凯科技产业有限公司 | High-haze high-coverage atomization film |
| CN111308594A (en) * | 2020-04-02 | 2020-06-19 | 瑞年新材料(广东)有限公司 | High-brightness PET (polyethylene terephthalate) reflective film |
| CN114236710A (en) * | 2021-12-13 | 2022-03-25 | 无锡鑫巨宏智能科技有限公司 | High-speed coupling lens |
Also Published As
| Publication number | Publication date |
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| WO2013117150A1 (en) | 2013-08-15 |
| CN103245990B (en) | 2016-06-08 |
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