CN105058826A - Optical film forming method and device - Google Patents
Optical film forming method and device Download PDFInfo
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- CN105058826A CN105058826A CN201510489937.4A CN201510489937A CN105058826A CN 105058826 A CN105058826 A CN 105058826A CN 201510489937 A CN201510489937 A CN 201510489937A CN 105058826 A CN105058826 A CN 105058826A
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- roller
- glue
- base band
- transparent base
- optical film
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Abstract
The invention discloses an optical film forming method and device. The device comprises a discharging roller, coating devices, a structure molding roller, a UV curing device, a receiving roller and the like. The molding method includes the molding steps that a transparent substrate of a full volume is taken, unreeled and pulled to the coating process; the front face and the back face of the transparent substrate are coated through the front face coating device and the back face coating device at the same time; the coated transparent substrate is pulled by a guide roller to the molding process, the molding device is composed of a structure roller and an impression roller which are arranged in a paired manner up and down, impression molding is carried out on the coatings on the front face and the back face through the structure roller and the impression roller at the same time, and the coating is cured through the UV curing device inside the impression roller while molding is carried out; and finally the substrate is reeled through the receiving roller. The device and the process are simple, coating is even, double-face coating on the front face and the back face of the substrate can be achieved at the same time, and the coating molding efficiency is high.
Description
Technical field
The present invention relates to the preparation technology of optics, particularly relate to a kind of optical film shaping method and device thereof.
Background technology
Owing to having the advantages such as good, the lightweight and environmental protection and energy saving of low energy consumption, colour rendering, liquid crystal display has become the display of main flow in the market, and liquid crystal material itself is not luminous, can normally show to make liquid crystal display, in general needing to place at liquid crystal panel back a backlight module for liquid crystal panel provides the light source of illumination, backlight module is primarily of compositions such as light source, reflectance coating, light guide plate, lower diffusion barrier, lower brightness enhancement film, upper brightness enhancement film and upper diffusion barriers, and wherein blooming group is its core component.
A kind of production method of prism film is disclosed in the patent of invention that application number is " 201410084809.7 ", prism film comprises substrate layer, light diffusion layer and layers of prisms, method is as follows: first carry out two-sided sided corona treatment to PET base material, then the coating of nick version, hot-pressing roller coining, baking oven heat cure and rolling is carried out respectively with front overleaf, process need twice coated and molded, and curing mode adopts heat cure, inefficiency, also need to increase the extra device such as baking oven, device complexity is higher.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming above-mentioned prior art, a kind of optical film shaping method and device thereof are provided.The present invention can carry out coating and one-shot forming to the front and back of transparent base band simultaneously, drastically increases working (machining) efficiency, saves process time and cost; This apparatus structure is simple, and evenly, coating quality is good in coating, can complete the coating of blooming, roll extrusion and shaping efficiently.
The present invention is achieved through the following technical solutions:
A kind of optical film shaping device, comprise the emptying roller 10 of transparent base band 161, transparent base band 161 material receiving roller 15, be arranged on shaping structures roller 13 between emptying roller 10 and material receiving roller 15, be arranged on roller platen 131 below shaping structures roller 13, be arranged between emptying roller 10 and shaping structures roller 13 for the glue spreading apparatus of transparent base band 161 backsizing, be arranged between glue spreading apparatus and shaping structures roller 13 for dripping glue formula sizer to transparent base band 161 front gluing.
Described glue spreading apparatus comprises a pulley type way gluing mechanism 12 and controls the control system of its running; This pulley type rubber-coated mechanism 12 comprises glue groove 120, and to be successively set on above glue groove 120 and the sizing material roller 121 contacted with each other, metering roll 122 and applicator roll 123; Described sizing material roller 121 contacts with the UV glue of splendid attire in glue groove 120, and the periphery of applicator roll 123 and transparent base band 161 back face touch.
Described glue spreading apparatus comprises a slit gumming mechanism 12-1 and controls it to the control system of transparent base band 161 backsizing; This slit gumming mechanism 12 comprises slit gluing 620 and plastic container 621, the Jiao Kou that enters of slit gluing 620 connects plastic container 621 by pipeline, and this control system is used for the UV glue in glue plastic container 621 to be coated on transparent base band 161 back side by Pipeline transport to slit gluing 620.
Described glue formula sizer comprises an adhesive dripping machine structure 11 and controls it to the control system of transparent base band 161 front gluing; This adhesive dripping machine structure 11 comprises droplet glue head 112 and a glue bucket 111, and the Jiao Kou that enters dripping glue head 112 connects glue bucket 111 by pipeline, and this control system is for giving a glue head 112 by the UV glue in glue bucket 111 by Pipeline transport and falling into transparent base band 161 front.
The external peripheral surface of described shaping structures roller 13 is cross section strip projected parts 130 triangular in shape.
Described roller platen 131 is transparent material, is provided with UV solidification equipment 14 in it.
The external peripheral surface of described roller platen 131 has frosted layer or is evenly distributed with concave-convex micro-structure, certainly, roller platen surface also can be smooth surface, and the glue now used is the glue containing diffusion particle, and namely the diffusion effect of atomizing layer is realized by diffusion particle.
The roll body temperature of the sizing material roller 121 of described pulley type way gluing mechanism 12, metering roll 122 and applicator roll 123 is 35 DEG C ~ 40 DEG C.
The method that above-mentioned optical film shaping device prepares diffusion brightening film is as follows:
(1) unreel step: transparent for entire volume base band be assembled on emptying roller 10, the termination of drawing transparent base band is connected on material receiving roller 15 successively behind glue spreading apparatus, gap between shaping structures roller 13 and roller platen 131;
(2) gluing, imprinting moulding step: shaping structures roller 13 and roller platen 131 start running, meanwhile, be arranged on glue spreading apparatus between emptying roller 10 and shaping structures roller 13 to transparent base band 161 backsizing, be arranged on and drip glue formula sizer to the front gluing of transparent base band 161 between glue spreading apparatus and shaping structures roller 13; Now, be dropped in transparent base band 161 front UV glue after shaping structures roller 13 roll extrusion, be bonded in transparent base band 161 front, and at the strip projected parts 130 of transparent base band 161 front Formation cross-section shape triangular in shape, the light source irradiation Post RDBMS of the UV solidification equipment that this strip projected parts 130 is arranged through roller platen 131 inside, namely forms prism array 162 in transparent base band 161 front after solidification; Be coated in the frosted layer of UV glue through roller platen 131 surface or the light source irradiation Post RDBMS of concave-convex micro-structure roll extrusion and UV solidification equipment at transparent base band 161 back side, after solidification, namely form atomizing layer 160 at transparent base band 161 back side;
(3) rolling step: after the operation of completing steps (2), namely obtain diffusion brightening film, and be wrapped on material receiving roller 15, for rear finished product process process.
The present invention, relative to prior art, has following advantage and effect:
The present invention adopts front and back gluing simultaneously, impression, shaping linked manner, take full advantage of the advantage of this gluing mode, ensure gluing quality and the gluing efficiency of substrate surface, structure roller and roller platen staggered relatively, and UV solidification equipment is positioned over roller platen inside, the quality that effective guarantee is shaping and efficiency, this apparatus structure is simple, coating evenly, coating quality is good, for the manufacture method of diffusion brightening film can realize the double spread of base material front and back simultaneously, coated and molded efficiency is high.
Accompanying drawing explanation
Fig. 1 is optical film shaping apparatus structure schematic diagram of the present invention.
Fig. 2 is another structural representation of optical film shaping device of the present invention.
Fig. 3 is the diffusion brightening membrane structure schematic diagram that optical film shaping device of the present invention obtains.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figures 1 to 3.A kind of optical film shaping device of the present invention, comprise the emptying roller 10 of transparent base band 161, transparent base band 161 material receiving roller 15, be arranged on shaping structures roller 13 between emptying roller 10 and material receiving roller 15, be arranged on roller platen 131 below shaping structures roller 13, be arranged between emptying roller 10 and shaping structures roller 13 for the glue spreading apparatus of transparent base band 161 backsizing, be arranged between glue spreading apparatus and shaping structures roller 13 for dripping glue formula sizer to transparent base band 161 front gluing.
Described glue spreading apparatus has two kinds of structures, and wherein, the first structure comprises a pulley type rubber-coated mechanism 12 and controls the control system of its running; This pulley type rubber-coated mechanism 12 comprises glue groove 120, and to be successively set on above glue groove 120 and the sizing material roller 121 contacted with each other, metering roll 122 and applicator roll 123; Described sizing material roller 121 contacts with the UV glue of splendid attire in glue groove 120, and the periphery of applicator roll 123 and transparent base band 161 back face touch.
The second structure of described glue spreading apparatus, comprises a slit gumming mechanism 12-1 and controls it to the control system of transparent base band 161 backsizing; This slit gumming mechanism 12 comprises slit gluing 620 and plastic container 621, the Jiao Kou that enters of slit gluing 620 connects plastic container 621 by pipeline, and this control system is used for the UV glue in glue plastic container 621 to be coated on transparent base band 161 back side by Pipeline transport to slit gluing 620.
Described glue formula sizer comprises an adhesive dripping machine structure 11 and controls it to the control system of transparent base band 161 front gluing; This adhesive dripping machine structure 11 comprises droplet glue head 112 and a glue bucket 111, and the Jiao Kou that enters dripping glue head 112 connects glue bucket 111 by pipeline, and this control system is for giving a glue head 112 by the UV glue in glue bucket 111 by Pipeline transport and falling into transparent base band 161 front.
The external peripheral surface of described shaping structures roller 13 is strip projected parts 130 of cross section shape triangular in shape, also designs other structures according to specific requirement in practical application.
Described roller platen 131 is transparent material, is provided with UV solidification equipment in it.
The external peripheral surface of described roller platen 131 has frosted layer or is evenly distributed with concave-convex micro-structure.
The roll body temperature of the sizing material roller 121 of described pulley type way gluing mechanism 12, metering roll 122 and applicator roll 123 is 35 DEG C ~ 55 DEG C.
The method that above-mentioned optical film shaping device prepares diffusion brightening film realizes by following step:
(1) unreel step: transparent for entire volume base band be assembled on emptying roller 10, the termination of drawing transparent base band is connected on material receiving roller 15 successively behind glue spreading apparatus, gap between shaping structures roller 13 and roller platen 131;
(2) gluing, imprinting moulding step: shaping structures roller 13 and roller platen 131 start running, meanwhile, be arranged on glue spreading apparatus between emptying roller 10 and shaping structures roller 13 to transparent base band 161 backsizing, be arranged on and drip glue formula sizer to the front gluing of transparent base band 161 between glue spreading apparatus and shaping structures roller 13; Now, be dropped in transparent base band 161 front UV glue after shaping structures roller 13 roll extrusion, be bonded in transparent base band 161 front, and at the tapered strip projected parts 130 of transparent base band 161 front Formation cross-section, the light source irradiation Post RDBMS of the UV solidification equipment that this strip projected parts 130 is arranged through roller platen 131 inside, namely forms prism array 162 in transparent base band 161 front after solidification; Be coated in the frosted layer of UV glue through roller platen 131 surface or the light source irradiation Post RDBMS of concave-convex micro-structure roll extrusion and UV solidification equipment at transparent base band 161 back side, after solidification, namely form atomizing layer 160 at transparent base band 161 back side;
(3) rolling step: after the operation of completing steps (2), namely obtain diffusion brightening film 16, and be wrapped on material receiving roller 15, for rear finished product process process.
The saturating PET coiled material of height that the transparent base band 161 of diffusion brightening film 16 can select toray to produce, fabric width is 1080mm, and coating wide cut is 1050mm.
As shown in Figure 3.This diffusion brightening film 16 comprises atomizing layer 160, transparent base band 161 and prism array 162.Wherein, transparent base band 161 (base material) thickness d 1 is 38 ~ 50 μm, prism array 162 (structure sheaf) thickness d 3 is 12 ~ 16 μm, atomizing layer 160 thickness d 0 is 4 ~ 5 μm, the bottom width d3 of the single prism structure of prism array 162 is 24 ~ 32 μm, two prisms structure pitch d4 is 24 ~ 33 μm, and prism angle α is 85 ~ 90 °.This diffusion brightening film 16 can be applicable to direct-light-type backlight module or side-edge type backlight module.
This optical film shaping device, the unwinding and rewinding speed of transparent base band 161 is about 7m/min, and winding tension is about 23kg/cm
2, unwinding tension is about 15kg/cm
2.General electrostatic cancellation element can be adopted to carry out static elimination to it after transparent base band 161 unreels.
In preparation technology, the gluing of transparent base band 161 front adopts can adopt high refractive index UV glue, and temperature is about about 50 DEG C, and gel quantity can be set to 1600mBar.Transparent base band 161 backing adopts back of the body cementing, and UV glue temperature can be set to 40 DEG C.The differential surface speed of sizing material roller 121, metering roll 122 and applicator roll 123 is 1:1:1.Sizing material roller 121 is identical with the direction of rotation of applicator roll 123, and contrary with the direction of rotation of metering roll 122, and the direction of rotation of applicator roll 123 is contrary with the direction of motion of transparent base band 161; Sizing material roller 121, metering roll 122 and applicator roll 123 is quill shaft, and quill shaft leads to recirculated water, and water temperature is set to 35 DEG C to 55 DEG C.
Shaping structures roller 13 is stainless steel, and surface electrical is coated with the layers of copper of 300 μm of thickness, and the surface of layers of copper is provided with the strip projected parts 130 (i.e. pyramidal structure) through the triangle shape of single-point diamond cutter turning.Roller platen 131 material is PMMA material, roller platen 131 rotary speed below shaping structures roller 13 is contrary, and the direction of motion is all contrary with transparent base band 161 direction of motion, the differential surface speed of shaping structures roller 13 and roller platen 131 is 1:1, gap between structure roller 13 and roller platen 131 is adjustable, by regulating the gap between them can the shaping thickness of indirect regulation UV function of glue coating.While structure roller 13 and roller platen 131 pairs of UV function of glue coating carry out imprinting moulding, the ultraviolet that the UV light source in UV solidification equipment 14 sends is cured shaping through transparent roller platen to UV glue.
As mentioned above, just the present invention can be realized preferably.
Embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. an optical film shaping device, it is characterized in that: the emptying roller (10) comprising transparent base band (161), the material receiving roller (15) of transparent base band (161), be arranged on the shaping structures roller (13) between emptying roller (10) and material receiving roller (15), be arranged on the roller platen (131) of shaping structures roller (13) below, be arranged between emptying roller (10) and shaping structures roller (13) for the glue spreading apparatus of transparent base band (161) backsizing, be arranged between glue spreading apparatus and shaping structures roller (13) for give transparent base band (161) front gluing drip glue formula sizer.
2. optical film shaping device according to claim 1, is characterized in that: described glue spreading apparatus comprises a pulley type rubber-coated mechanism (12) and controls the control system of its running; This pulley type way gluing mechanism (12) comprises glue groove (120), and is successively set on glue groove (120) top and the sizing material roller (121) contacted with each other, metering roll (122) and applicator roll (123); Described sizing material roller (121) contacts with the UV glue of glue groove (120) interior splendid attire, and the periphery of applicator roll (123) and transparent base band (161) back face touch.
3. optical film shaping device according to claim 1, is characterized in that: described glue spreading apparatus comprises a slit gumming mechanism (12-1) and controls it to the control system of transparent base band (161) backsizing; This slit gumming mechanism (12-1) comprises slit gluing head (620) and plastic container (621), the Jiao Kou that enters of slit gluing head (620) connects plastic container (621) by pipeline, and this control system is used for the UV glue in glue plastic container (621) to be coated on transparent base band (161) back side by Pipeline transport to slit gluing head (620).
4. optical film shaping device according to claim 1, is characterized in that: described glue formula sizer comprises an adhesive dripping machine structure (11) and control it to the control system of transparent base band (161) front gluing; This adhesive dripping machine structure (11) comprises droplet glue head (112) and a glue bucket (111), the Jiao Kou that enters dripping glue head (112) connects glue bucket (111) by pipeline, and this control system is dripped glue head (112) for being given by Pipeline transport by the UV glue in glue bucket (111) and falls into transparent base band (161) front.
5. optical film shaping device according to any one of claim 1 to 4, is characterized in that: described roller platen (131) is transparent material, is provided with UV solidification equipment (14) in it.
6. optical film shaping device according to claim 5, is characterized in that: the external peripheral surface of described shaping structures roller (13) is cross section strip projected parts (130) triangular in shape.
7. optical film shaping device according to claim 6, is characterized in that: the external peripheral surface of described roller platen (131) has frosted layer or is evenly distributed with concave-convex micro-structure.
8. optical film shaping device according to claim 2, is characterized in that: the roll body temperature of the sizing material roller (121) of described pulley type way gluing mechanism (12), metering roll (122) and applicator roll (123) is 35 DEG C ~ 55 DEG C.
9. adopt optical film shaping device according to any one of claim 1 to 8 to prepare the method for diffusion brightening film, it is characterized in that comprising the steps:
(1) unreel step: transparent for entire volume base band be assembled on emptying roller (10), the termination of drawing transparent base band is connected on material receiving roller (15) successively behind glue spreading apparatus, gap between shaping structures roller (13) and roller platen (131);
(2) gluing, imprinting moulding step: shaping structures roller (13) and roller platen (131) start running, meanwhile, be arranged on glue spreading apparatus between emptying roller (10) and shaping structures roller (13) to transparent base band (161) backsizing, be arranged on and drip glue formula sizer to the front gluing of transparent base band (161) between glue spreading apparatus and shaping structures roller (13); Now, be dropped in transparent base band (161) front UV glue after shaping structures roller (13) roll extrusion, be bonded in transparent base band (161) front, and at transparent base band (161) front Formation cross-section strip projected parts (130) triangular in shape, the light source irradiation Post RDBMS of the UV solidification equipment that this strip projected parts (130) is arranged through roller platen (131) inside, namely forms prism array (162) in transparent base band (161) front after solidification; Be coated in the frosted layer of UV glue through roller platen (131) surface or the light source irradiation Post RDBMS of concave-convex micro-structure roll extrusion and UV solidification equipment at transparent base band (161) back side, after solidification, namely form atomizing layer (160) at transparent base band (161) back side;
(3) rolling step: after the operation of completing steps (2), namely obtains diffusion brightening film (16), and is wrapped on material receiving roller (15), for rear finished product process process.
10. the one that method described in claim 9 obtains has the diffusion brightening film (16) of prism array (162) and atomizing layer (160).
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| CN201510489937.4A CN105058826A (en) | 2015-08-11 | 2015-08-11 | Optical film forming method and device |
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| CN201510489937.4A CN105058826A (en) | 2015-08-11 | 2015-08-11 | Optical film forming method and device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104614791A (en) * | 2015-01-23 | 2015-05-13 | 东莞市纳利光学材料有限公司 | Birghtness enhancement film with pyramid structure and manufacture method thereof |
| CN105383189A (en) * | 2015-11-27 | 2016-03-09 | 上海喀纳光电科技有限公司 | Ink jet coater and coating method thereof |
| CN106094077A (en) * | 2016-08-24 | 2016-11-09 | 苏州盛达胶粘制品有限公司 | A kind of prism film of haze and preparation method thereof |
| CN106444275A (en) * | 2016-09-08 | 2017-02-22 | 深圳先进技术研究院 | Roll-to-roll ultraviolet nano-imprinting device and method for preparing super-hydrophobic surface micro-structure by using roll-to-roll ultraviolet nano-imprinting device |
| CN107253383A (en) * | 2017-04-28 | 2017-10-17 | 东莞市纳利光学材料有限公司 | A kind of hot bending film and preparation method thereof |
| CN108787322A (en) * | 2018-06-22 | 2018-11-13 | 无锡光群雷射科技有限公司 | The coating method of UV coinings |
| CN109082239A (en) * | 2018-08-09 | 2018-12-25 | 盐城美茵新材料有限公司 | A kind of unidirectional total reflection film material structure and preparation method thereof |
| CN109395999A (en) * | 2018-12-28 | 2019-03-01 | 东莞市超智新材料有限公司 | A kind of front curing system and UV film system of processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104614791A (en) * | 2015-01-23 | 2015-05-13 | 东莞市纳利光学材料有限公司 | Birghtness enhancement film with pyramid structure and manufacture method thereof |
| CN105383189A (en) * | 2015-11-27 | 2016-03-09 | 上海喀纳光电科技有限公司 | Ink jet coater and coating method thereof |
| CN106094077A (en) * | 2016-08-24 | 2016-11-09 | 苏州盛达胶粘制品有限公司 | A kind of prism film of haze and preparation method thereof |
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| CN107253383A (en) * | 2017-04-28 | 2017-10-17 | 东莞市纳利光学材料有限公司 | A kind of hot bending film and preparation method thereof |
| CN107253383B (en) * | 2017-04-28 | 2019-05-21 | 东莞市纳利光学材料有限公司 | A kind of hot bending film and preparation method thereof |
| CN108787322A (en) * | 2018-06-22 | 2018-11-13 | 无锡光群雷射科技有限公司 | The coating method of UV coinings |
| CN109082239A (en) * | 2018-08-09 | 2018-12-25 | 盐城美茵新材料有限公司 | A kind of unidirectional total reflection film material structure and preparation method thereof |
| CN109395999A (en) * | 2018-12-28 | 2019-03-01 | 东莞市超智新材料有限公司 | A kind of front curing system and UV film system of processing |
| CN112728431A (en) * | 2020-12-31 | 2021-04-30 | 苏州莱科光学科技有限公司 | Flat lamp and preparation method thereof |
| CN114325901A (en) * | 2022-01-05 | 2022-04-12 | 张家港康得新光电材料有限公司 | Light splitting film, and preparation method and system thereof |
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Application publication date: 20151118 |