CN100465663C - Light-gathering sheet - Google Patents
Light-gathering sheet Download PDFInfo
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- CN100465663C CN100465663C CNB200610004842XA CN200610004842A CN100465663C CN 100465663 C CN100465663 C CN 100465663C CN B200610004842X A CNB200610004842X A CN B200610004842XA CN 200610004842 A CN200610004842 A CN 200610004842A CN 100465663 C CN100465663 C CN 100465663C
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- concentration piece
- acrylate
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- diacrylate
- decorative pattern
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- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 239000010954 inorganic particle Substances 0.000 claims abstract description 15
- 239000004593 Epoxy Substances 0.000 claims description 20
- 125000004386 diacrylate group Chemical group 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 11
- 238000006116 polymerization reaction Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical class COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- RZVINYQDSSQUKO-UHFFFAOYSA-N 2-phenoxyethyl prop-2-enoate Chemical group C=CC(=O)OCCOC1=CC=CC=C1 RZVINYQDSSQUKO-UHFFFAOYSA-N 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 230000026030 halogenation Effects 0.000 claims description 5
- 238000005658 halogenation reaction Methods 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 125000004494 ethyl ester group Chemical group 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical class C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- GEWCPKLHLVRECB-UHFFFAOYSA-N C(C=C)(=O)O.C(C=C)(=O)O.C(N)(O)=O Chemical compound C(C=C)(=O)O.C(C=C)(=O)O.C(N)(O)=O GEWCPKLHLVRECB-UHFFFAOYSA-N 0.000 claims description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical class CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 3
- 229940106691 bisphenol a Drugs 0.000 claims description 3
- 229920003986 novolac Polymers 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 claims description 2
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical compound [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 150000003440 styrenes Chemical class 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 12
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 7
- 239000012965 benzophenone Substances 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 4
- 239000008199 coating composition Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004431 polycarbonate resin Substances 0.000 description 3
- 229920005668 polycarbonate resin Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 235000000126 Styrax benzoin Nutrition 0.000 description 2
- 244000028419 Styrax benzoin Species 0.000 description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical compound C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 description 2
- 229960002130 benzoin Drugs 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- CZRTVSQBVXBRHS-UHFFFAOYSA-N ethyl carbamate prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCOC(N)=O CZRTVSQBVXBRHS-UHFFFAOYSA-N 0.000 description 2
- 235000019382 gum benzoic Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 229940091853 isobornyl acrylate Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LNGIIXGLYTUUHJ-UHFFFAOYSA-N 2-methylbut-2-enoic acid methyl 2-methylprop-2-enoate Chemical compound COC(=O)C(C)=C.CC=C(C)C(O)=O LNGIIXGLYTUUHJ-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- ATMLPEJAVWINOF-UHFFFAOYSA-N acrylic acid acrylic acid Chemical compound OC(=O)C=C.OC(=O)C=C ATMLPEJAVWINOF-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- JZMPIUODFXBXSC-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.CCOC(N)=O JZMPIUODFXBXSC-UHFFFAOYSA-N 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a light-gathering sheet, which comprises a substrate, wherein one side of the substrate comprises an anti-scratch coating containing inorganic particles. The light-gathering sheet of the present invention can be used in liquid crystal displays as an anti-scratch light-gathering sheet.
Description
Technical field
The present invention relates to a kind of concentration piece, particularly relate to a kind of Anti-scraping light focusing sheet that can be applicable in the LCD.
Background technology
Generally speaking, the primary structure of LCD (being called for short " LCD ") comprises panel and backlight module two large divisions, faceplate part comprises for example tin indium oxide (ITO) electro-conductive glass, liquid crystal, alignment film, colored filter, polaroid, drive integrated circult etc., and the backlight module part then comprises for example fluorescent tube, light guide plate and various bloomings etc.For can being presented, LCD better views and admires angle and color, industry has been carried out various trials at present, for example, known can be by increasing the brightness that the fluorescent tube number improves the LCD panel, yet, so not only cause too much heat to be accumulated in LCD easily, and have influence on the life-span and the quality of other assembly, can cause power consumption excessive simultaneously, thereby can't satisfy the requirement that many info class products must rely on battery to come off-line to use.At present, in backlight module, utilize blooming miscellaneous, provide a kind of and can improve the LCD panel luminance, become most economical and easy solution so that source efficiency is the highest, but need not change any component design or consume the way of additional energy source.
The concentration piece industry is commonly referred to as brightness enhancement film (Brightness Enhancement Film) or prismatic lens (prism film), is only to utilize high energy UV light that special acrylic resin is hardened into the microscopic prisms structure on the polyester optical thin film of 50-200 μ m at thickness to form.And the main function of brightness enhancement film is will be issued to from all directions ray-collecting at random from light guide plate (lightguide) by refraction and inner full-reflection, and is concentrated to positive visual angle (On-axis) direction of degree approximately ± 35, to improve the brightness of LCD.
How being applied to have in the backlight module many patent documentations for concentration piece at present delivers, for example the patented claim WO96/23649 of 3M company has disclosed the method for avoiding optically focused prism structure drift angle to subside, wherein utilize type of heating the prismatic lens of finishing to be heated to more than the glass transition temperature of its resin, to increase its prism vertex angle hardness.But the concentration piece that this piece patent is disclosed, as shown in Figure 1, owing to have only a surface to have concentration structure, and its lower surface is level and smooth shape, does not carry out scratch resistance to handle, and damages its lower surface during operation easily, so can influence the optical effect of concentration piece.
At this situation, the invention provides a kind of concentration piece and improve above-mentioned shortcoming.As shown in Figure 2, the coating that will contain inorganic particles according to the lower surface coating of the concentration piece of WO96/23649 is curing molding in addition, its coating layer that contains inorganic particles be except strengthening concentration piece lower surface hardness, by scratch, thereby obtains preferable optical effect in the time of also can preventing its operation.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of concentration piece, and it comprises: a base material, and a side of this base material comprises at least one light collecting layer, and opposite side comprises at least one anti-scratch layer, and this anti-scratch layer comprises resin and inorganic particles.
Description of drawings
Fig. 1 is the concentration piece synoptic diagram that WO96/23649 disclosed.
Fig. 2 is the side view of embodiments of the invention.
Fig. 3 is the partial enlarged drawing of Fig. 2 of the present invention.
Embodiment
The employed base material of concentration piece of the present invention, it is known to can be any the technical field of the invention those of ordinary skill, for example glass or plastics.Above-mentioned plastic basis material there is no particular restriction, and it is such as but not limited to vibrin (polyester resin), as polyethylene terephthalate (PET); Polyacrylate resin (polyacrylate resin) is as polymethylmethacrylate (PMMA); Polyolefin resin (polyolefin resin) is as tygon (PE) or polypropylene (PP); Polyimide resin (polyimideresin); Polycarbonate resin (polycarbonate resin); Polyurethane resin (polyurethane resin); Triafol T (TAC); Or its potpourri.Preferably be polyethylene terephthalate, polymethylmethacrylate, trimerization cellulose acetate or its potpourri.The thickness of base material depends on the demand of required optical articles usually, its preferably between about 50 μ m (micron) between about 150 μ m.
Concentration piece of the present invention has optically focused and anti-scratch characteristic, in order to reach anti-scratch effect, comprises at least one anti-scratch layer at the lower surface of its base material, and described anti-scratch layer is to form by the coating that the lower surface coating at base material comprises inorganic particles and resin.Above-mentioned anti-scratch layer has non-smooth structure, and the hardness that standard method records according to DIN53157 was not less than 130 seconds.
Anti-scratch layer of the present invention is mixed with the inorganic particles of different-grain diameter, and above-mentioned inorganic particles has nanoscale
(nanoscale) particle size is approximately between 1 to 500 nanometer.The inorganic particles kind that can be used among the present invention does not have particular restriction, and it is such as but not limited to titania (TiO
2), silicon dioxide (SiO
2), zinc paste (ZnO), barium sulphate (BaSO
4), lime carbonate (CaCO
3), zirconia (ZrO
2) or its potpourri.Preferably, this inorganic particles is a silicon dioxide.
The employed resin of concentration piece of the present invention can be applicable to that the polymerization single polymerization monomer in the concentration piece manufacturing is polymerized by well known by persons skilled in the art, and the example of suitable polymerization single polymerization monomer for example comprises epoxy diacrylate (epoxy diacrylate), halogenation epoxy diacrylate (halogenated epoxy diacrylate), methyl methacrylate (methyl methacrylate), isobornyl acrylate (isobornylacrylate), acrylic acid 2-phenoxy ethyl (2-phenoxy ethyl acrylate), acrylamide (acrylamide), styrene (styrene), halogenated styrenes (halogenated styrene), acrylic acid (acrylic acid), vinyl cyanide (acrylonitrile), methacrylonitrile (methacrylonitrile), acrylic acid xenyl epoxy ethyl ester (biphenylepoxyethylacrylate), the acrylic acid xenyl epoxy ethyl ester (halogenated biphenylepoxyethylacrylate) of halogenation, alkoxide epoxy diacrylate (alkoxylated epoxy diacrylate), alkyl halide oxidation epoxy diacrylate (halogenated alkoxylated epoxy diacrylate), aliphatic carbamate diacrylate (aliphatic urethane diacrylate), aliphatic carbamate six acrylate (aliphatic urethane hexaacrylate), aromatic amino ester formate six acrylate (aromatic urethane hexaacrylate), bisphenol-A epoxy diacrylate (bisphenol-A epoxy diacrylate), novolaks epoxy acrylate (novolac epoxyacrylate), polyester acrylate (polyester acrylate), polyester diacrylate (polyesterdiacrylate), the carbamic acid oligomer ester of acrylate ended (acrylate-capped urethaneoligomer), or its potpourri.Preferable polymerization single polymerization monomer is halogenation epoxy diacrylate, methyl methacrylate, acrylic acid 2-phenoxy ethyl, aliphatic carbamate diacrylate, aliphatic carbamate six acrylate, reaches aromatic amino ester formate six acrylate.
Concerning concentration piece of the present invention, the proportion of composing of this resin and nano grade inorganic particulate is unimportant, can determine according to required final purpose.This proportion of composing can change on a large scale, and for example, inorganic particles can account for 0.01 to 50% of resin gross weight, or 0.1 to 35%, or even 0.5 to 25%, also can be 0.5 to 10%.
The anti-scratch coating of concentration piece of the present invention can be added any additive well-known to those skilled in the art as required, for example even paint (leveling agent), defoamer (defoamer), antistatic agent (antistatic agent) etc.
The anti-scratch coating of concentration piece of the present invention can be made according to any way well-known to those skilled in the art, for example, and can be via the method manufacturing that comprises following steps:
(a) resin, light trigger and nano_scale particle are mixed, to form a colloidal state coating composition;
(b) this colloidal state coating composition is coated the lower surface of a base material, to form a coating;
(c) to this coating irradiation energy ray or heating or both and with so that this coating solidify.
The light trigger of above-mentioned steps (a) is meant after rayed to produce free radical, and sees through the compound of the transmission initiated polymerization of free radical.Be applicable to that light trigger of the present invention there is no particular restriction, it is such as but not limited to benzophenone (benzophenone), benzoin (benzoin), benzil (benzil), and preferable light trigger is benzophenone (benzophenone).
The coating curing schedule of above-mentioned steps (c) produces photopolymerization reaction by the irradiation energy ray to carry out, this energy-ray is meant the light source of certain wavelength coverage, for example can be ultraviolet light, infrared light, visible light or hot line (radiation or radiation) etc., be preferably ultraviolet light.Exposure intensity can be from 1 to 300 millijoule/square centimeter (mJ/cm
2), preferably from 10 to 100mJ/cm
2
If desired, can repeat above steps, to obtain the anti-scratch coating of multilayer.
For reaching the light spotlight effect, the present invention is at the opposite side of above-mentioned anti-scratch coating, that is comprise at least one light collecting layer at the upper surface of base material, its thickness is generally between 5 μ m to 100 μ m, be preferably 10 μ m to 40 μ m, have at least 1.55 refractive index, this light collecting layer forms by the composition that coating on base material comprises resin, light trigger and crosslinking chemical.The resin that is suitable for is well-known to those skilled in the art, such as but not limited to vibrin, polyacrylate resin or polycarbonate resin etc.Being applicable to that light trigger of the present invention does not have particular restriction, being meant after rayed to produce free radical, and seeing through the compound of the transmission initiated polymerization of free radical, for example is benzophenone.The crosslinking chemical that is suitable for is for example for having (methyl) esters of acrylic acid of one or more functional group, preferably for having multi-functional compound, to improve glass temperature.
Light collecting layer of the present invention can be planar film or have microstructure form that wherein, the example of microstructure form includes but not limited to rule or irregular prism decorative pattern, ring-type prism decorative pattern, solid angle decorative pattern, pearl decorative pattern or lensing decorative pattern.Preferably, have the prism decorative pattern of rule on this light collecting layer, such light collecting layer has preferable light harvesting effect, therefore can make display possess the briliancy of enhancing.
Base material lower surface coating of the present invention contains the coating of inorganic particles, improves the hardness of base material lower surface effectively, can prevent surperficial scratch phenomenon, avoids optical property to be affected.In addition, concentration piece of the present invention has concentration structure, can be used in the LCD concentration piece as backlight, to strengthen the brightness of panel of LCD.
Following examples are used for that the invention will be further described, are not in order to limit the scope of the invention.Those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment
Example
Make blooming of the present invention according to mode described below, the resin of each embodiment and the composition of light trigger are as described in the following table 1.
Table 1
With part by weight respectively is 40% and 60%
(acrylic acid 2-phenoxy ethyl is buied by Eternal company pin) and
(epoxy acrylate is buied by Eternal company) mixes, add then light trigger (benzophenone (benzophenone),
BP, two key chemical industry provide) stir together to form a colloidal state coating composition.
With above-mentioned colloidal state coating composition packing, blending goes into to be respectively 1%, 3%, 5%, 7% SiO with respect to colloidal state coating weight number percent respectively
2(
, buy by Eternal company) after, respectively it is coated on a polyethylene terephthalate (PET) base material (
, buy by TORAY company), in addition after the drying, obtain the blooming that thickness is 9 μ m with energy-ray.
The gained diaphragm is carried out hardness test, shown in the following tabulation 2 of gained result.
Hardness test: utilize the pendulum-rocker hardness instrument (BYK company,
Fork), according to the DIN53157 standard method, record hardness.
Table 2
| Example | Nanoparticle solid content (%) | Hardness (second) |
| 1 | 0 | 130 |
| 2 | 1 | 138 |
| 3 | 3 | 143 |
| 4 | 5 | 147 |
| 5 | 7 | 148 |
As shown in Table 2, the back side has been coated with after the coating that contains inorganic particulate under concentration piece, can improve hardness, and therefore concentration piece of the present invention has optically focused and anti-scratch characteristic, and can avoid concentration piece surface scratch, reach the affected effect of optical property of avoiding.
Claims (8)
1. concentration piece, it comprises: a base material, one side of described base material comprises at least one light collecting layer, it is characterized in that, described base material opposite side comprises at least one anti-scratch layer, described anti-scratch layer has non-smooth structure, and is not less than 130 seconds according to the hardness that the DIN53157 standard records, and described anti-scratch layer is for comprising the coating of resin and inorganic particles.
2. concentration piece as claimed in claim 1 is characterized in that described inorganic particles is selected from zinc paste, silicon dioxide, titania, zirconia, barium sulphate, lime carbonate and composition thereof.
3. concentration piece as claimed in claim 2 is characterized in that, described inorganic particles is a silicon dioxide.
4. concentration piece as claimed in claim 1 is characterized in that, the particle diameter of described inorganic particles is 1～500 nanometer.
5. concentration piece as claimed in claim 1, it is characterized in that described resin is by being selected from epoxy diacrylate, the halogenation epoxy diacrylate, methyl methacrylate, isobornyl acrylate, acrylic acid 2-phenoxy ethyl, acrylamide, styrene, halogenated styrenes, acrylic acid, vinyl cyanide, methacrylonitrile, acrylic acid xenyl epoxy ethyl ester, halogenation acrylic acid xenyl epoxy ethyl ester, the aliphatic carbamate diacrylate, the alkoxylate epoxy diacrylate, the halogenated alkoxy epoxy diacrylate, aliphatic carbamate six acrylate, aromatic amino ester formate six acrylate, the bisphenol-A epoxy diacrylate, the novolaks epoxy acrylate, polyester acrylate, polyester diacrylate, the polymerization single polymerization monomer polymerization of carbamic acid oligomer ester of acrylate ended and composition thereof and getting.
6. concentration piece as claimed in claim 1 is characterized in that, described base material is plastics or glass.
7. concentration piece as claimed in claim 1 is characterized in that described light collecting layer has microstructure form.
8. concentration piece as claimed in claim 7 is characterized in that, described microstructure form is selected from rule or irregular prism decorative pattern, ring-type prism decorative pattern, solid angle decorative pattern, pearl decorative pattern and lensing decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610004842XA CN100465663C (en) | 2006-01-13 | 2006-01-13 | Light-gathering sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610004842XA CN100465663C (en) | 2006-01-13 | 2006-01-13 | Light-gathering sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101000386A CN101000386A (en) | 2007-07-18 |
| CN100465663C true CN100465663C (en) | 2009-03-04 |
Family
ID=38692433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610004842XA Expired - Fee Related CN100465663C (en) | 2006-01-13 | 2006-01-13 | Light-gathering sheet |
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| Country | Link |
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| CN (1) | CN100465663C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107179574B (en) * | 2017-07-19 | 2020-07-31 | 宁波长阳科技股份有限公司 | High-luminance wide-viewing-angle brightness enhancement film |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626800A (en) * | 1995-02-03 | 1997-05-06 | Minnesota Mining And Manufacturing Company | Prevention of groove tip deformation in brightness enhancement film |
| WO2004017105A1 (en) * | 2002-08-15 | 2004-02-26 | Fuji Photo Film Co., Ltd. | Antireflection film, polarizing plate and image display device |
| US6727309B1 (en) * | 2002-10-08 | 2004-04-27 | 3M Innovative Properties Company | Floor finish composition |
| US20050059766A1 (en) * | 2003-09-12 | 2005-03-17 | Jones Clinton L. | Durable optical element |
| WO2005063484A1 (en) * | 2003-12-26 | 2005-07-14 | Fuji Photo Film Co., Ltd. | Antireflection film, polarizing plate, method for producing them, liquid crystal display element, liquid crystal display device, and image display device |
| CN1649734A (en) * | 2002-05-02 | 2005-08-03 | 帝人杜邦菲林日本株式会社 | Laminated film for optical use |
-
2006
- 2006-01-13 CN CNB200610004842XA patent/CN100465663C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626800A (en) * | 1995-02-03 | 1997-05-06 | Minnesota Mining And Manufacturing Company | Prevention of groove tip deformation in brightness enhancement film |
| CN1649734A (en) * | 2002-05-02 | 2005-08-03 | 帝人杜邦菲林日本株式会社 | Laminated film for optical use |
| WO2004017105A1 (en) * | 2002-08-15 | 2004-02-26 | Fuji Photo Film Co., Ltd. | Antireflection film, polarizing plate and image display device |
| US6727309B1 (en) * | 2002-10-08 | 2004-04-27 | 3M Innovative Properties Company | Floor finish composition |
| US20050059766A1 (en) * | 2003-09-12 | 2005-03-17 | Jones Clinton L. | Durable optical element |
| WO2005063484A1 (en) * | 2003-12-26 | 2005-07-14 | Fuji Photo Film Co., Ltd. | Antireflection film, polarizing plate, method for producing them, liquid crystal display element, liquid crystal display device, and image display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101000386A (en) | 2007-07-18 |
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