CN103992625A - Protective film resisting blue light harm of display screen and preparation method thereof - Google Patents
Protective film resisting blue light harm of display screen and preparation method thereof Download PDFInfo
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- CN103992625A CN103992625A CN201410252595.XA CN201410252595A CN103992625A CN 103992625 A CN103992625 A CN 103992625A CN 201410252595 A CN201410252595 A CN 201410252595A CN 103992625 A CN103992625 A CN 103992625A
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Abstract
The invention discloses a protective film resisting the blue light harm of a display screen, which comprises a base material, auxiliary materials and nanoscale silicon dioxide, wherein the base material is polyethylene terephthalyl alcohol, and the auxiliary materials include a polyethylene elastomer and low density polyethylene resin; and the addition amount of each component in percentage by weight is as follows: 73-79% of polyethylene terephthalyl alcohol, 6-8% of polyethylene elastomer, 6-8% of low density polyethylene resin, 5-7% of ethyl acetate, 0.5-2% of nanoscale silicon dioxide and 0.5-2% of superfine YAG yellow fluorescent powder. The film forming material is doped with the superfine YAG yellow fluorescent powder and the nanoscale silicon dioxide, and the display screen is shielded by use of the ultraviolet blocking function of the nanoscale silicon dioxide so as to avoid the harm to human eyes caused by the ultraviolet light generated by the working display screen. Meanwhile, the harmful short-wave high-energy blue light generated by the working display screen is converted into white light by use of the light wave conversion effect of the superfine YAG yellow fluorescent powder uniformly distributed in the film forming material. Therefore, the functions of shielding and converting the blue light harm are realized.
Description
Technical field
The present invention relates to a kind of protective membrane, be specifically related to a kind of protective membrane for television screen, computer screen, mobile phone screen etc. with a kind of health blue light harm of display screen functions and preparation method thereof.
Summary of the invention
Along with the develop rapidly of electronics technology, becoming people indispensable instrument and articles for daily use in daily production, life with the electronic product of display screen. the eyesight influence problem to human eye of thereupon bringing is also increasing.The seriousness of this problem is not extensively to occur in the teenager of life-time service electronic product, white collar, becomes younger and aging development trend but also exist; That is to say that the light wave radiation of display screen has had a strong impact on all mankind's glasses health.Announce according to WHO Ai Yan association of the World Health Organization: 2006 to 2008 because blue ray radiation causes the whole world 30,000 people's glasses blind, and send orange early warning in the end of the year 2009: " blue ray radiation to the mankind's potential recessive threat will considerably beyond Sudan red, trimeric cyanamide, SARS, H1N1 ".
From the principle of spectroscopy, the visible ray of nature itself does not have independent white light, and the white light of occurring in nature occurs red, orange, yellow, green, cyan, blue, purple seven-colour-light in the light splitting sample of bevelled mirror.In science and technology experiment, show: after blue light and green glow, yellow light mix, also present and be similar to natural white light, still do not belong to the natural white light of occurring in nature.
In addition, research also prove to possess a large amount of blue lights in the artificial lights such as electronic product window of tube bias light such as computer, mobile phone, digital camera, make like this artificial light seem more in vain, brighter.According to technical Analysis, in the visible ray that such display screen sends, all there are a large amount of irregular shortwave blue lights.In these irregular shortwave blue lights, to the maximum just high energy shortwave blue light between 320-500nm of eye injury.It can directly penetrate cornea, the retina in eyeground is damaged, thereby cause macular area generation pathology, especially maximum in this interval injury of 450-460nm.
In recent years, since, along with going deep into that blue light hazard mechanism is studied, found that blue light can cause the death of cell by improving susceptibility and the photooxidation reaction of visual cell to light, thereby damaged the eyesight of human eye.
Ubiquitous to the harm of human eye just because of blue light, therefore bring the convenience of hi-tech to our activity in production at enjoyment electronic product, bring happy time to our daily life, select a display products that reduces or shield blue light harm that has, being not only consumers in general's requirement, is also the important topic that corresponding manufacturer should seriously pay close attention to.
In recent years since, there have been many manufacturers and inventor in to the process of above-mentioned subject study, to propose the protective membrane that some can filter or anti-blue light endangers.Allow this protective membrane be attached on display screen, play the effect of filtering and preventing blue leakage.Chinese patent literature CN103642417A and CN203063222U have proposed respectively " a kind of anti-blue light protective membrane and preparation method thereof " and " the fluorescent screen protector of filter blue light ".The protective membrane that the former proposes comprises: cuticular layer, A glue-line, anti-scratch layer, anti-blu-ray layer, main rete, B glue-line are the composite construction layers of a kind of seven layers.The fluorescence protector that the latter proposes is one taking PET film as base material, and has filter blue light processing layer, anti-dazzle processing layer and surface hardness strengthening layer a kind of pad pasting that stacked combination becomes each other.
Comprehensively the thinking to existing display screen anti-blue light technology through the inventor: solve display screen anti-blue light technology although some innovation and creation have proposed some, but its main technique means is as main, not reduce the yield of radiation of blue light in original light source taking " anti-and shielding ".This Filming Technology with multilayered structure that for example above-mentioned patent documentation openly proposes, its Main Function is only the effect of playing shielding, does not play the effect that harm blue light is converted to white light; And the pad pasting manufacturing technology of this multilayer is both loaded down with trivial details also too complicated, and has both had fabrication processing problem, also has production cost and use cost problem simultaneously.
Summary of the invention
Object of the present invention: be intended to propose a kind ofly can make protective membrane that blue light produces transformation, easy to make, the corresponding lower a kind of anti-blue light harm that reduces display screen with fine use value of manufacturing cost and preparation method thereof.
The protective membrane of the anti-blue light harm of this display screen, comprising: base-material, auxiliary material, nanometer grade silica, ultra-fine YAG yellow fluorescent powder; Described base-material is poly-terephthalyl alcohol glycol ester, and auxiliary material is polyethylene elastomer, ldpe resin; Wherein the incorporation of each component by weight percentage, is respectively: poly-terephthalyl alcohol glycol ester 73-79%; Polyethylene elastomer 6-8%; Ldpe resin 6-8%; Vinyl acetic monomer 5-7%; Nanometer grade silica 0.5-2%; Ultra-fine YAG yellow fluorescent powder 0.5-2%.
The preparation technology of said protection film is as follows:
Fully mix by the each batching of said ratio, be crushed to 0.2-0.4mm sheet through press, with after make through two-way stretch the available film that thickness is 0.1mm left and right.
Described ultra-fine YAG yellow fluorescent powder be particle diameter at 0.1-10um micron particles, or particle diameter to be less than 0.1um nano-scale particle be main mixing pellet.
The protective membrane of the anti-blue light harm of the anti-blue ray radiation intensity of this reduction display screen proposing according to above technical scheme, compare with existing published similar technology, the not only transformation to part high energy blue light by the ultra-fine YAG yellow fluorescent powder that is mixed with in film, make it to convert to the white light of less harm, play to reduce and filter shielding blue light effect; And the manufacture craft of whole single thin film is simple, cost compare is cheap, is easy to be widely applied.
Embodiment
Below provide embodiment, and further set forth the present invention in conjunction with the embodiments.
Core of the present invention is ultra-fine YAG fluorescent material and nanometer grade silica fine powder to be blended in the film and material being made up of various kinds of resin, is changed and is produced white light by YAG fluorescent material in the blue-light excited film in initial white radiant.Thereby reach the object that reduces blue ray radiation intensity in primary light source
The protective membrane of the anti-blue light harm of this display screen, comprising: base-material, auxiliary material, nanometer grade silica, described base-material are poly-terephthalyl alcohol glycol ester, and auxiliary material is polyethylene elastomer, ldpe resin; Wherein the incorporation of each component by weight percentage, is respectively: poly-terephthalyl alcohol glycol ester 73-79%; Polyethylene elastomer 6-8%; Ldpe resin 6-8%; Vinyl acetic monomer 5-7%; Nanometer grade silica 0.5-2%; Ultra-fine YAG yellow fluorescent powder 0.5-2%.
In addition, due to the protective membrane of the anti-blue light harm of this display screen, owing to adopting ultra-fine YAG fluorescent material (yellow) collocation to use masking, with the silicates fluorescent material generally using at present as phototransformation agent compare and also there is following characteristics:
A, have and more preferably excite brightness, brightness is reached more than 96%;
B, because the chemical of self is more stable, therefore make film there is better humidity resistance.
The preparation technology of said protection film is as follows:
By said ratio, each batching is fully mixed, is crushed to 0.2-0.4mm sheet through press, with after make through two-way stretch the available film that thickness is about 0.1mm.
Described ultra-fine YAG yellow fluorescent powder be particle diameter at 0.1-10um micron particles, or particle diameter to be less than 0.1um nano-scale particle be main mixing pellet.
The technique scheme that the present invention proposes, the main points of its invention are: ultra-fine YAG yellow fluorescent powder and nanometer grade silica are incorporated in material of preparing, both the shielding of ultraviolet function of having utilized nanometer grade silica to have, the injury of the UV-light that shielding display screen had produced while both having solved display screen work to human eye.Meanwhile, utilize again the light wave transformation that is evenly distributed on the ultra-fine YAG yellow fluorescent powder in film forming material, the shortwave high-energy blue light with damaging effect producing when display screen is worked changes into white light.Thereby reach the effect of shielding, converting blue light harm.
The preparation technology of said protection film is as follows:
By said ratio, each batching is fully mixed, is crushed to 0.2-0.4mm sheet through press, with after make through two-way stretch the available film that thickness is about 0.1mm.
Embodiment 1
Embodiment 2
Embodiment 3
The applicant adopts the protective membrane of the anti-blue light harm of the display screen of technique scheme making, shows through simultaneous test, and it is as follows to the shielding changing effect of display screen:
Above are only part preferred embodiment of the present invention, the present invention is not limited in the content of embodiment.To those skilled in the art, within the scope of the inventive method, can have various variations and change, any variation and the change done, all within protection domain of the present invention.
Claims (3)
1. a protective membrane for the anti-blue light harm of display screen, comprising: base-material, auxiliary material, nanometer grade silica, described base-material are poly-terephthalyl alcohol glycol ester, and auxiliary material is polyethylene elastomer, ldpe resin; Wherein the incorporation of each component by weight percentage, is respectively: poly-terephthalyl alcohol glycol ester 73-79%; Polyethylene elastomer 6-8%; Ldpe resin 6-8%; Vinyl acetic monomer 5-7%; Nanometer grade silica 0.5-2%; Ultra-fine YAG yellow fluorescent powder 0.5-2%.
2. the protective membrane of the anti-blue light harm of a kind of display screen as claimed in claim 1; it is characterized in that: by said ratio, each batching is fully mixed; be crushed to 0.2-0.4mm sheet through press, with after make through two-way stretch the available film that thickness is about 0.1mm.
Described ultra-fine YAG yellow fluorescent powder be particle diameter at 0.1-10um micron particles, or particle diameter to be less than 0.1um nano-scale particle be main mixing pellet.
3. the protective membrane of the anti-blue light of a kind of display screen as claimed in claim 1 or 2 harm, is characterized in that: described ultra-fine YAG yellow fluorescent powder be particle diameter at 0.1-10um micron particles, or particle diameter to be less than 0.1um nano-scale particle be main mixing pellet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410252595.XA CN103992625A (en) | 2014-06-09 | 2014-06-09 | Protective film resisting blue light harm of display screen and preparation method thereof |
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| CN201410252595.XA CN103992625A (en) | 2014-06-09 | 2014-06-09 | Protective film resisting blue light harm of display screen and preparation method thereof |
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| CN103992625A true CN103992625A (en) | 2014-08-20 |
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| CN201410252595.XA Pending CN103992625A (en) | 2014-06-09 | 2014-06-09 | Protective film resisting blue light harm of display screen and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530657A (en) * | 2014-12-19 | 2015-04-22 | 天津世起科技发展有限公司 | Fluorescent PET composite film material and preparation method thereof |
| CN104693646A (en) * | 2015-03-16 | 2015-06-10 | 南京工业大学 | Transparent plasticized PVC (Polyvinyl Chloride) functional film and preparation method |
| CN106863968A (en) * | 2017-01-24 | 2017-06-20 | 杭州科翼科技有限公司 | A kind of UV resistance blue light diaphragm |
| CN108059805A (en) * | 2018-01-09 | 2018-05-22 | 浙江工业大学之江学院 | A kind of anti-blue light sulfonation organic film and its manufacturing method |
| CN108285746A (en) * | 2017-07-18 | 2018-07-17 | 上海全鹰智能科技有限公司 | A kind of transparence display film with blue light safeguard function and preparation method thereof and the projection system with transparence display film |
| CN112625608A (en) * | 2020-12-03 | 2021-04-09 | 东莞市义鸿实业有限公司 | Self-adhesive high-transparency protective film for electronic product and preparation method thereof |
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| US4327198A (en) * | 1981-04-24 | 1982-04-27 | Eastman Kodak Company | Polymeric molding compositions having the high impact strength |
| CN103224693A (en) * | 2013-05-22 | 2013-07-31 | 文安东都嘉诚再生资源有限公司 | Polyester/polyethylene alloy material and preparation method thereof |
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| US4327198A (en) * | 1981-04-24 | 1982-04-27 | Eastman Kodak Company | Polymeric molding compositions having the high impact strength |
| CN103224693A (en) * | 2013-05-22 | 2013-07-31 | 文安东都嘉诚再生资源有限公司 | Polyester/polyethylene alloy material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530657A (en) * | 2014-12-19 | 2015-04-22 | 天津世起科技发展有限公司 | Fluorescent PET composite film material and preparation method thereof |
| CN104693646A (en) * | 2015-03-16 | 2015-06-10 | 南京工业大学 | Transparent plasticized PVC (Polyvinyl Chloride) functional film and preparation method |
| CN106863968A (en) * | 2017-01-24 | 2017-06-20 | 杭州科翼科技有限公司 | A kind of UV resistance blue light diaphragm |
| CN106863968B (en) * | 2017-01-24 | 2019-11-08 | 杭州科翼科技有限公司 | A kind of UV resistance blue light protective film |
| CN108285746A (en) * | 2017-07-18 | 2018-07-17 | 上海全鹰智能科技有限公司 | A kind of transparence display film with blue light safeguard function and preparation method thereof and the projection system with transparence display film |
| CN108285746B (en) * | 2017-07-18 | 2021-07-27 | 上海全鹰智能科技有限公司 | Transparent display film with blue light protection function, preparation method thereof and projection system with transparent display film |
| CN108059805A (en) * | 2018-01-09 | 2018-05-22 | 浙江工业大学之江学院 | A kind of anti-blue light sulfonation organic film and its manufacturing method |
| CN112625608A (en) * | 2020-12-03 | 2021-04-09 | 东莞市义鸿实业有限公司 | Self-adhesive high-transparency protective film for electronic product and preparation method thereof |
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Application publication date: 20140820 |