CN114153076B - Preparation device and method of 3D polarizing film - Google Patents
Preparation device and method of 3D polarizing film Download PDFInfo
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- CN114153076B CN114153076B CN202111461842.3A CN202111461842A CN114153076B CN 114153076 B CN114153076 B CN 114153076B CN 202111461842 A CN202111461842 A CN 202111461842A CN 114153076 B CN114153076 B CN 114153076B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 16
- 239000000758 substrate Substances 0.000 claims abstract description 367
- 230000003287 optical effect Effects 0.000 claims abstract description 99
- 238000003825 pressing Methods 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000000059 patterning Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims description 38
- 238000003475 lamination Methods 0.000 claims description 37
- 239000010410 layer Substances 0.000 claims description 31
- 238000004381 surface treatment Methods 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 238000010023 transfer printing Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
Abstract
The invention discloses a preparation device and a preparation method of a 3D polarizing film, belongs to the field of 3D display, and aims to solve the problem that the existing preparation method of the 3D polarizing film is high in repeated alignment precision requirement. The invention comprises a left-hand optical rotation patterning substrate forming part, a right-hand optical rotation patterning substrate forming part and a 3D polarizing film forming part; left-hand optically patterned substrate forming section: preparing a left-hand optically-patterned substrate and asynchronously transferring the left-hand optically-patterned substrate to a first substrate output by a first substrate input part; right-hand optically patterned substrate forming section: preparing a right-hand rotation patterned base material and asynchronously transferring the right-hand rotation patterned base material to a second substrate output by a second substrate input part; 3D polarizing film forming section: a third pressing roller; the left optical rotation patterned substrate transferred to the first substrate and the right optical rotation patterned substrate transferred to the second substrate synchronously enter a third pressing roller, the left optical rotation patterned substrate and the right optical rotation patterned substrate are mutually pressed to form polarizing layers which are alternately arranged in a left optical rotation and a right optical rotation mode, and then the substrates with small viscosity in the first substrate and the second substrate are peeled off to form the 3D polarizing film.
Description
Technical Field
The invention relates to a process technology for preparing a 3D polarizing film, and belongs to the field of 3D display.
Background
In 3D display, the core key index is uniformity of crosstalk about 3D, and 3D polarization technology is superior to other technologies in terms of stereoscopic technology, display color, and wearing comfort. The main processes of 3D polarizing films currently disclosed on the market include: the left-handed or right-handed polarizing films form one group of arrays, the left-handed or right-handed polarizing films form the other group of arrays by combining 1/2 phase difference compensation films, the two groups of arrays are respectively matched with the left and right sides of the pair of vision-aiding glasses to form polarized images with binocular parallax, the manufacturing mode needs multiple functional layers to be repeatedly attached, multiple adhesive layers are arranged, the repeated alignment precision requirement is high, and the alignment precision directly influences the binocular comfort level of the product. The other is formed by splicing and combining the left-handed polaroid and the right-handed polaroid, so that the precision is low, the production efficiency is low, accumulated errors are easy to generate, and the 3D comfort level is low.
Disclosure of Invention
The invention aims to solve the problem of high requirement on repeated alignment precision of the existing 3D polarizing film, and provides a device and a method for preparing the 3D polarizing film.
The preparation device of the 3D polarization film comprises a left-hand rotation patterning substrate forming part, a right-hand rotation patterning substrate forming part and a 3D polarization film forming part;
left-hand optically patterned substrate forming section: the method comprises the steps of carrying out roll-to-roll lamination on a left optical rotation substrate input part A-1, a first substrate input part A-2, a first substrate input part A-3 and a first substrate recovery part A-4, carrying out equidistant cutting on the left optical rotation substrate by a first asynchronous cutter mechanism 11 after lamination and removing invalid areas to form a left optical rotation patterned substrate, synchronously recovering the first substrate by the first substrate recovery part A-4, and carrying out asynchronous transfer printing on the left optical rotation patterned substrate to the first substrate output by the first substrate input part A-3 by the first substrate output part A-2;
right-hand optically patterned substrate forming section: a right-hand rotation substrate input part B-1, a second substrate input part B-2, a second substrate input part B-3, a second substrate recovery part B-4, a second asynchronous cutter mechanism 6 and a second pressing roller 7-1; the left optical rotation substrate output by the right optical rotation substrate input part B-1 and the second substrate output by the second substrate input part B-2 are subjected to roll-to-roll lamination through a second lamination roller 7-1, after lamination, the right optical rotation substrate is cut at equal intervals by a second asynchronous cutter mechanism 6, invalid areas are removed to form a right optical rotation patterned substrate, the second substrate is synchronously recovered by a second substrate recovery part B-4, and the right optical rotation patterned substrate is asynchronously transferred onto the second substrate output by a second substrate input part B-3;
3D polarizing film forming section: a third pressing roller 12; the left optical rotation patterned substrate transferred to the first substrate and the right optical rotation patterned substrate transferred to the second substrate synchronously enter the third pressing roller 12, the left optical rotation patterned substrate and the right optical rotation patterned substrate are mutually pressed to form polarizing layers which are alternately arranged in a left optical rotation and a right optical rotation mode, and then the substrates with small viscosity in the first substrate and the second substrate are peeled off to form the 3D polarizing film.
Preferably, the device also comprises a pressing gap driving roller 13, a third substrate recovery device 14, a surface treatment die roller 15, a dispensing machine 16, a curing device 17, a stripping mechanism 18 and a 3D polarized film rolling device 20,
the polarizing layer with upper and lower two layers of substrates output by the third pressing roller 12 is input between the pressing gap driving roller 13 and the third substrate recovery device 14, the substrate with small viscosity is stripped by the third substrate recovery device 14, then the surface of the polarizing layer is subjected to anti-dazzle treatment by a dispensing machine 16, the thickness of a coating layer is regulated by the pressing gap driving roller 13, the anti-dazzle surface of the polarizing layer is solidified by a surface treatment die roller 15 through UV illumination of a solidifying device 17, and then stripped by a stripping mechanism 18 to form a 3D polarizing film, and the 3D polarizing film is wound by a 3D polarizing film winding device 20.
Preferably, the left-hand substrate input section A-1 is implemented using a left-hand web apparatus 4; the first substrate input part A-2 outputs a first substrate from the first substrate device 3, and the first substrate enters the first pressing roller 4-1 to be subjected to surface coating by the fourth guide wheel 3-1, the fifth guide wheel 3-2 and the left optical rotation substrate.
Preferably, the first substrate recovery part A-4 strips the first substrate of the left-rotation patterned substrate, and the stripped first substrate is recovered by the substrate recovery device 2 after passing through the second deviation correcting roller 2-2 and the third guide roller 2-1;
the substrate input part A-3 is formed by a substrate device 1, a guide wheel 1-1, a correction roller 1-2, a guide wheel 1-3, an asynchronous cutter mechanism 11 and a left-hand optical rotation patterned substrate after stripping a substrate.
Preferably, the right-hand substrate input section B-1 is realized with a right-hand coil device 7; the second substrate input part B-2 outputs a second substrate from the second substrate device 8, and the second substrate enters the second pressing roller 7-1 to be subjected to surface coating by the sixth guide wheel 8-1, the seventh guide wheel 8-2 and the right rotation substrate.
Preferably, the second substrate recovery part B-4 strips the second substrate of the right-rotation patterned substrate, and the stripped second substrate is recovered by the substrate recovery device 9 after passing through the third deviation correcting roller 9-2 and the eighth guide roller 9-1;
the second substrate input part B-3 is formed by the second substrate device 10 passing through the ninth guide wheel 10-1, the fourth deviation correcting roller 10-2 and the tenth guide wheel 10-3, and then enters the output end position of the second asynchronous cutter mechanism 6, and the right-rotation patterned substrate after the second substrate is stripped is transferred onto the second substrate.
Preferably, the distance between the cutter working position point S3 of the first asynchronous cutter mechanism 11 and the pressing point S1 of the third pressing roller 12 is D1, the distance between the cutter working position point S2 of the second asynchronous cutter mechanism 6 and the pressing point S1 of the third pressing roller 12 is D2, the distances D1 and D2 are distances along the trend of the substrate, and when the substrate is a straight line, the distances D1 and D2 are straight line distances; when the substrate is curved, the distances D1 and D2 are curved distances; and satisfies the relationship: the difference between the distances D1, D2 is an integer multiple of the dicing width when the substrate is patterned.
Preferably, the device further comprises a dust removing device 5, wherein the dust removing device 5 is used for removing dust from the right-hand optically-patterned substrate transferred to the second substrate.
The invention also provides another technical scheme: a method of preparing a 3D polarizing film, the method comprising the steps of:
s1, preparing a left-hand optical rotation patterning substrate, namely:
a substrate A-A1. enters a pressing roller 4-1 to be subjected to surface coating by a guide wheel 3-1, a guide wheel 3-2 and a left optical rotation coiled material;
A-A2, patterning in a first asynchronous cutter mechanism 11 after lamination, cutting at equal intervals, removing invalid areas, stripping a first substrate at an output position, and recovering the stripped first substrate by a second deviation correcting roller 2-2 and a third guide roller 2-1 through a substrate recovering device 2;
in the process of stripping the first substrate, a first substrate enters a first asynchronous cutter mechanism 11 through a first guide wheel 1-1, a first deviation correcting roller 1-2 and a second guide wheel 1-3;
A-A4. a left-hand optical rotation coiled material which is separated from a first substrate and is cut off at equal intervals is pad-printed on the first substrate by a first asynchronous cutter mechanism 11 and enters a third pressing roller 12;
step S2 is synchronously performed:
s2, preparing a right-hand optical rotation patterning substrate:
B-B1, the second substrate enters a first pressing roller 4-1 to be subjected to surface coating by a sixth guide wheel 8-1, a seventh guide wheel 8-2 and a right rotation coiled material;
B-B2, patterning in a second asynchronous cutter mechanism 6 after lamination, cutting at equal intervals, removing invalid areas, peeling a second substrate at an output position, and recovering the peeled second substrate by a third deviation correcting roller 9-2 and an eighth guide roller 9-1 through a substrate recovering device 9;
B-B3, in the process of stripping the second substrate, the second substrate enters a second asynchronous cutter mechanism 6 through a ninth guide wheel 10-1, a fourth deviation correcting roller 10-2 and a tenth guide wheel 10-3;
B-B4. the second asynchronous cutter mechanism 6 transfers the right-rotation coiled material which is peeled off the second substrate and cut off in an equal gap on the second substrate, and then enters the third pressing roller 12 through the eleventh guide wheel 21;
s3, synchronously entering the left optical rotation patterned substrate output by the step S1 and the right optical rotation patterned substrate output by the step S2 into a third pressing roller 12 for precise lamination to form a polarizing layer with left optical rotation and right optical rotation alternately arranged;
s4, after the lamination is completed, stripping the substrate with small viscosity in the substrates at the two sides of the polarizing layer, and recycling the substrate by a third substrate recycling device 14;
s5, performing width dispensing on the stripped surface through a dispenser 16, and simultaneously curing at a surface treatment die roller 15, wherein the lamination gap is adjusted through a lamination gap driving roller 13;
and S6, stripping the cured film from the surface treatment die roller 15 through a stripping mechanism 18, and rolling the cured film by a 3D polarizing film rolling device 20 to finish the preparation of the whole 3D film.
The invention has the beneficial effects that:
(1) The 3D polarization films matched with different point distances are obtained by laminating different optical rotation material roll-to-roll modes through the asynchronous cutters, the whole manufacturing process is concise, the apparent effect is good, and the 3D polarization films can be applied in batches;
(2) The roll-to-roll device, the corresponding guide roller and the correction roller are prepared, the matching precision is higher, the precision of the complete embedding of different optical rotation materials on the same substrate is high, and the subsequent surface treatment process is also convenient.
(3) The prepared material layer mainly comprises a single-layer circular bias layer and a surface anti-glare layer which are formed by combining different optical rotation materials, the material covering layers are fewer, the thickness is thinner, and the 3D display effect is better.
Drawings
FIG. 1 is a schematic structural view of a manufacturing apparatus of a 3D polarizing film according to the present invention;
fig. 2 is a schematic structural view of a manufacturing apparatus of a 3D polarizing film according to an embodiment;
FIG. 3 is a schematic view of the partial structure of a left-hand optically active substrate preparation;
FIG. 4 is a schematic view of the partial structure of the preparation of a right-handed optically active substrate.
A-1, a left-hand optically active substrate input section; a-2, a first substrate input part; a first substrate input part A-3; a first substrate recovery unit;
b-1, right-hand rotation substrate input part; b-2, a second substrate input part; b-3, a second substrate input part; b-4, a second substrate recovery part;
1. a first substrate device; 1-1, a first guide wheel; 1-2, a first deviation correcting roller; 1-3, a second guide wheel;
2. a substrate recovery device; 2-1, a third guide wheel; 2-2, a second deviation correcting roller;
3. a first substrate device; 3-1, a fourth guide wheel; 3-2, a fifth guide wheel;
4. a left-hand optical rotation coil device; 4-1, a first pressing roller;
5. a dust removal device;
6. a second asynchronous cutter mechanism;
7. a right-hand optical rotation coil device; 7-1, a second pressing roller;
8. a second base device; 8-1, six guide wheels; 8-2, a seventh guide wheel;
9. a substrate recovery device; 9-1, a guide wheel No. eight; 9-2, a third deviation correcting roller;
10. a second substrate device; 10-1, a nine-guide wheel; 10-2, a fourth deviation correcting roller; 10-3, a tenth guide wheel;
11. a first asynchronous cutter mechanism; 12. a third pressing roller; 13. pressing gap driving roller; 14. a third substrate recovery device; 15. surface treating the mold roll; 16. a dispensing machine; 17. a curing device; 18. a peeling mechanism; 19. a 3D polarizing film; 20. 3D polarizing film winding device; 21. eleven guide wheels.
Detailed Description
The first embodiment is as follows: next, an apparatus for producing a 3D polarizing film according to the present embodiment, which includes a left-hand optically patterned substrate forming section, a right-hand optically patterned substrate forming section, and a 3D polarizing film forming section, will be described with reference to fig. 2 to 4;
left-hand optically patterned substrate forming section: the method comprises the steps of carrying out roll-to-roll lamination on a left optical rotation substrate input part A-1, a first substrate input part A-2, a first substrate input part A-3 and a first substrate recovery part A-4, carrying out equidistant cutting on the left optical rotation substrate by a first asynchronous cutter mechanism 11 after lamination and removing invalid areas to form a left optical rotation patterned substrate, synchronously recovering the first substrate by the first substrate recovery part A-4, and carrying out asynchronous transfer printing on the left optical rotation patterned substrate to the first substrate output by the first substrate input part A-3 by the first substrate output part A-2;
right-hand optically patterned substrate forming section: a right-hand rotation substrate input part B-1, a second substrate input part B-2, a second substrate input part B-3, a second substrate recovery part B-4, a second asynchronous cutter mechanism 6 and a second pressing roller 7-1; the left optical rotation substrate output by the right optical rotation substrate input part B-1 and the second substrate output by the second substrate input part B-2 are subjected to roll-to-roll lamination through a second lamination roller 7-1, after lamination, the right optical rotation substrate is cut at equal intervals by a second asynchronous cutter mechanism 6, invalid areas are removed to form a right optical rotation patterned substrate, the second substrate is synchronously recovered by a second substrate recovery part B-4, and the right optical rotation patterned substrate is asynchronously transferred onto the second substrate output by a second substrate input part B-3;
3D polarizing film forming section: a third pressing roller 12; the left optical rotation patterned substrate transferred to the first substrate and the right optical rotation patterned substrate transferred to the second substrate synchronously enter the third pressing roller 12, the left optical rotation patterned substrate and the right optical rotation patterned substrate are mutually pressed to form polarizing layers which are alternately arranged in a left optical rotation and a right optical rotation mode, and then the substrates with small viscosity in the first substrate and the second substrate are peeled off to form the 3D polarizing film.
The measures of the embodiment aiming at the left and right optical alignment are synchronous preparation and lamination, so that the optical alignment is well determined when entering the third lamination roller 12, and the optical alignment is well effective and high in precision after entering the third lamination roller.
When entering the third pressing roller 12, the left optical rotation patterning substrate carries a first substrate, the right optical rotation patterning substrate carries a second substrate, four layers are jointly pressed, the first substrate and the second substrate are different in viscosity, and therefore the substrates with small viscosity can be peeled off later, and after peeling, the 3D polarizing film 19 is formed through dispensing treatment on the polarizing layers which are alternately arranged in a left optical rotation and a right optical rotation mode.
The second embodiment is as follows: the following describes the present embodiment with reference to fig. 2, further describing the first embodiment, and further includes a nip driving roller 13, a third substrate recovery device 14, a surface treatment die roller 15, a dispenser 16, a curing device 17, a peeling mechanism 18, and a 3D polarizing film winding device 20,
the polarizing layer with upper and lower two layers of substrates output by the third pressing roller 12 is input between the pressing gap driving roller 13 and the third substrate recovery device 14, the substrate with small viscosity is stripped by the third substrate recovery device 14, then the surface of the polarizing layer is subjected to anti-dazzle treatment by a dispensing machine 16, the thickness of a coating layer is regulated by the pressing gap driving roller 13, the anti-dazzle surface of the polarizing layer is solidified by a surface treatment die roller 15 through UV illumination of a solidifying device 17, and then stripped by a stripping mechanism 18 to form a 3D polarizing film 19, and the 3D polarizing film 19 is wound by a 3D polarizing film winding device 20.
The combination of different optical rotation materials forms a single-layer circular bias layer, and then an anti-glare layer is formed on the surface of the single-layer circular bias layer, so that the material coating layer is fewer, the thickness is thinner, and the 3D display effect is better.
In this embodiment, the thickness of the glue is controlled within the gap range by pressing the gap of the gap driving roller 13, so as to form the anti-glare layer.
And a third specific embodiment: next, this embodiment will be described with reference to fig. 1, in which one or two embodiments are further described, and the left-hand substrate input section a-1 is implemented by the left-hand coil device 4; the first substrate input part A-2 outputs a first substrate from the first substrate device 3, and the first substrate enters the first pressing roller 4-1 to be subjected to surface coating by the fourth guide wheel 3-1, the fifth guide wheel 3-2 and the left optical rotation substrate.
The first substrate recovery part A-4 strips the first substrate of the left-rotation patterned substrate, and the stripped first substrate is recovered by the substrate recovery device 2 after passing through the second deviation correcting roller 2-2 and the third guide roller 2-1;
the substrate input part A-3 is formed by a substrate device 1, a guide wheel 1-1, a correction roller 1-2, a guide wheel 1-3, an asynchronous cutter mechanism 11 and a left-hand optical rotation patterned substrate after stripping a substrate.
The specific embodiment IV is as follows: next, this embodiment will be described with reference to fig. 1, in which the first or second embodiment is further described, and the right-hand substrate input section B-1 is implemented by the right-hand optical web device 7; the second substrate input part B-2 outputs a second substrate from the second substrate device 8, and the second substrate enters the second pressing roller 7-1 to be subjected to surface coating by the sixth guide wheel 8-1, the seventh guide wheel 8-2 and the right rotation substrate.
The second substrate recovery part B-4 strips the second substrate of the right-rotation patterned substrate, and the stripped second substrate is recovered by the substrate recovery device 9 after passing through the third deviation correcting roller 9-2 and the eighth guide roller 9-1;
the second substrate input part B-3 is formed by the second substrate device 10 passing through the ninth guide wheel 10-1, the fourth deviation correcting roller 10-2 and the tenth guide wheel 10-3, and then enters the output end position of the second asynchronous cutter mechanism 6, and the right-rotation patterned substrate after the second substrate is stripped is transferred onto the second substrate.
Further, the device further comprises a dust removing device 5, wherein the dust removing device 5 is used for removing dust from the right-hand optically-patterned substrate transferred to the second substrate. And the dust is removed and then is compounded with the left-hand optical rotation patterned substrate.
Fifth embodiment: in the following description of the first embodiment with reference to fig. 2, a distance between a cutter working position point S3 of the first asynchronous cutter mechanism 11 and a pressing point S1 of the third pressing roller 12 is D1, a distance between a cutter working position point S2 of the second asynchronous cutter mechanism 6 and the pressing point S1 of the third pressing roller 12 is D2, the distances D1 and D2 are distances along the trend of the substrate, and when the substrate is a straight line, the distances D1 and D2 are straight line distances; when the substrate is curved, the distances D1 and D2 are curved distances; and satisfies the relationship: the difference between the distances D1, D2 is an integer multiple of the dicing width when the substrate is patterned.
The scheme of this embodiment is to align the left-hand and right-hand patterned substrates, and the substrates can be arranged in an alternating manner, with high arrangement accuracy.
Specific embodiment six: the method for producing a 3D polarizing film according to the present embodiment is described below with reference to fig. 1 to 4, and includes the steps of:
s1, preparing a left-hand optical rotation patterning substrate, namely:
a substrate A-A1. enters a pressing roller 4-1 to be subjected to surface coating by a guide wheel 3-1, a guide wheel 3-2 and a left optical rotation coiled material;
A-A2, patterning in a first asynchronous cutter mechanism 11 after lamination, cutting at equal intervals, removing invalid areas, stripping a first substrate at an output position, and recovering the stripped first substrate by a second deviation correcting roller 2-2 and a third guide roller 2-1 through a substrate recovering device 2;
in the process of stripping the first substrate, a first substrate enters a first asynchronous cutter mechanism 11 through a first guide wheel 1-1, a first deviation correcting roller 1-2 and a second guide wheel 1-3;
A-A4. a left-hand optical rotation coiled material which is separated from a first substrate and is cut off at equal intervals is pad-printed on the first substrate by a first asynchronous cutter mechanism 11 and enters a third pressing roller 12;
step S2 is synchronously performed:
s2, preparing a right-hand optical rotation patterning substrate:
B-B1, the second substrate enters a first pressing roller 4-1 to be subjected to surface coating by a sixth guide wheel 8-1, a seventh guide wheel 8-2 and a right rotation coiled material;
B-B2, patterning in a second asynchronous cutter mechanism 6 after lamination, cutting at equal intervals, removing invalid areas, peeling a second substrate at an output position, and recovering the peeled second substrate by a third deviation correcting roller 9-2 and an eighth guide roller 9-1 through a substrate recovering device 9;
B-B3, in the process of stripping the second substrate, the second substrate enters a second asynchronous cutter mechanism 6 through a ninth guide wheel 10-1, a fourth deviation correcting roller 10-2 and a tenth guide wheel 10-3;
B-B4. the second asynchronous cutter mechanism 6 transfers the right-rotation coiled material which is peeled off the second substrate and cut off in an equal gap on the second substrate, and then enters the third pressing roller 12 through the eleventh guide wheel 21;
s3, synchronously entering the left optical rotation patterned substrate output by the step S1 and the right optical rotation patterned substrate output by the step S2 into a third pressing roller 12 for precise lamination to form a polarizing layer with left optical rotation and right optical rotation alternately arranged;
s4, after the lamination is completed, stripping the substrate with small viscosity in the substrates at the two sides of the polarizing layer, and recycling the substrate by a third substrate recycling device 14;
s5, performing width dispensing on the stripped surface through a dispenser 16, and simultaneously curing at a surface treatment die roller 15, wherein the lamination gap is adjusted through a lamination gap driving roller 13;
and S6, stripping the cured film from the surface treatment die roller 15 through a stripping mechanism 18, and rolling the cured film by a 3D polarizing film rolling device 20 to finish the preparation of the whole 3D film.
Claims (8)
- A 3D polarizing film manufacturing apparatus comprising a left-hand patterned substrate forming section, a right-hand patterned substrate forming section, and a 3D polarizing film forming section;left-hand optically patterned substrate forming section: the device comprises a left optical rotation substrate input part (A-1), a first substrate input part (A-2), a first substrate input part (A-3) and a first substrate recovery part (A-4), wherein the left optical rotation substrate output by the left optical rotation substrate input part (A-1) and the first substrate output by the first substrate input part (A-2) are subjected to reel-to-reel lamination through a first lamination roller (4-1), the left optical rotation substrate is cut at equal intervals by a first asynchronous cutter mechanism (11) after lamination, invalid areas are removed to form a left optical rotation patterned substrate, the first substrate is synchronously recovered by the first substrate recovery part (A-4), and the left optical rotation patterned substrate is asynchronously transferred onto the first substrate output by the first substrate input part (A-3);right-hand optically patterned substrate forming section: a right-hand rotation substrate input part (B-1), a second substrate input part (B-2), a second substrate input part (B-3), a second substrate recovery part (B-4), a second asynchronous cutter mechanism (6) and a second pressing roller (7-1); the left optical rotation substrate output by the right optical rotation substrate input part (B-1) and the second substrate output by the second substrate input part (B-2) are subjected to roll-to-roll lamination through a second lamination roller (7-1), after lamination, the second asynchronous cutter mechanism (6) is used for equally spacing cutting the right optical rotation substrate and removing invalid areas to form a right optical rotation patterning substrate, then the second substrate is synchronously recovered by the second substrate recovery part (B-4), and the right optical rotation patterning substrate is asynchronously transferred onto the second substrate output by the second substrate input part (B-3);3D polarizing film forming section: a third pressing roller (12); the left optical rotation patterned substrate transferred to the first substrate and the right optical rotation patterned substrate transferred to the second substrate synchronously enter a third pressing roller (12), the left optical rotation patterned substrate and the right optical rotation patterned substrate are mutually pressed to form polarizing layers which are alternately arranged in a left-right optical rotation mode, and then the substrates with small viscosity in the first substrate and the second substrate are peeled off to form a 3D polarizing film;the distance between the cutter working position point S3 of the first asynchronous cutter mechanism (11) and the pressing point S1 of the third pressing roller (12) is D1, the distance between the cutter working position point S2 of the second asynchronous cutter mechanism (6) and the pressing point S1 of the third pressing roller (12) is D2, the distances D1 and D2 are distances along the trend of the base material, and when the base material is a straight line, the distances D1 and D2 are straight line distances; when the substrate is curved, the distances D1 and D2 are curved distances; and satisfies the relationship: the difference between the distances D1, D2 is an integer multiple of the dicing width when the substrate is patterned.
- 2. The device for preparing a 3D polarizing film according to claim 1, further comprising a nip drive roller (13), a third substrate recovery device (14), a surface treatment mold roller (15), a dispenser (16), a curing device (17), a peeling mechanism (18) and a 3D polarizing film winding device (20),the polarizing layer with upper and lower two-layer substrates output by the third pressing roller (12) is input between the pressing gap driving roller (13) and the third substrate recovery device (14), the substrate with small viscosity is stripped by the third substrate recovery device (14), then the surface of the polarizing layer is subjected to anti-dazzle treatment by a dispensing machine (16), the thickness of the glue coating layer is regulated by the pressing gap driving roller (13), the anti-dazzle surface of the polarizing layer is solidified by the surface treatment die roller (15) through UV illumination of the solidifying device (17), and then stripped by the stripping mechanism (18) to form the 3D polarizing film, and the 3D polarizing film is coiled by the 3D polarizing film coiling device (20).
- 3. The apparatus for producing a 3D polarizing film according to claim 1 or 2, wherein the left-hand optically active substrate input section (a-1) is realized by a left-hand optically active web device (4); the first substrate input part (A-2) outputs a first substrate through the first substrate device (3), and the first substrate enters the first pressing roller (4-1) to be covered by the first substrate through the fourth guide wheel (3-1), the fifth guide wheel (3-2) and the left optical rotation substrate.
- 4. The apparatus for producing a 3D polarizing film according to claim 1 or 2, wherein the first substrate recovery section (a-4) peels off the first substrate of the left-hand optically-patterned substrate, and the peeled first substrate is recovered by the substrate recovery section (2) after passing through the second deviation correcting roller (2-2) and the third guide roller (2-1);the first substrate input part (A-3) is formed by a first substrate device (1) and a second substrate device (1), wherein the first substrate device passes through a first guide wheel (1-1), then passes through a first deviation correcting roller (1-2), and then enters the output end position of a first asynchronous cutter mechanism (11) through a second guide wheel (1-3), and the left optical rotation patterned substrate after the first substrate is stripped is transferred onto the first substrate.
- 5. The apparatus for producing a 3D polarizing film according to claim 1 or 2, wherein the right-hand optically active substrate input section (B-1) is realized by a right-hand optically active web device (7); the second substrate input part (B-2) outputs a second substrate through the second substrate device (8), and the second substrate enters the second pressing roller (7-1) to be covered by the second substrate through the sixth guide wheel (8-1) and the seventh guide wheel (8-2) together with the right rotation substrate.
- 6. The apparatus for producing a 3D polarizing film according to claim 1 or 2, wherein the second substrate recovery section (B-4) peels off the second substrate of the right-hand optically-patterned substrate, and the peeled second substrate is recovered by the substrate recovery section (9) after passing through the third deviation correcting roller (9-2) and the eighth guide roller (9-1);the second substrate input part (B-3) is formed by enabling a second substrate device (10) to pass through a ninth guide wheel (10-1), then pass through a fourth deviation correcting roller (10-2), enter the output end position of a second asynchronous cutter mechanism (6) through a tenth guide wheel (10-3), and the right optical rotation patterned substrate after the second substrate is stripped is transferred onto the second substrate.
- 7. The apparatus for producing a 3D polarizing film according to claim 6, further comprising a dust removing device (5), wherein the dust removing device (5) is configured to remove dust from the right-handed optically patterned substrate transferred to the second substrate.
- A method of making a 3D polarizing film, comprising the steps of:s1, preparing a left-hand optical rotation patterning substrate, namely:A-A1. substrate passes through a fourth guide wheel (3-1), a fifth guide wheel (3-2) and enters a first pressing roller (4-1) together with the left-hand optical rotation coiled material for surface coating and combination;A-A2, patterning in a first asynchronous cutter mechanism (11) after lamination, cutting at equal intervals, removing invalid areas, peeling a first substrate at an output position, and recovering the peeled first substrate through a second deviation correcting roller (2-2) and a third guide wheel (2-1) by a substrate recovering device (2);A-A3. enters the output end of a first asynchronous cutter mechanism (11) through a first guide wheel (1-1), a first deviation correcting roller (1-2) and a second guide wheel (1-3) in the first substrate stripping process;step S2 is synchronously performed:s2, preparing a right-hand optical rotation patterning substrate:B-B1, the second substrate passes through a sixth guide wheel (8-1), a seventh guide wheel (8-2) and the right rotation coiled material to enter a second pressing roller (7-1) for surface coating;B-B2, patterning in a second asynchronous cutter mechanism (6) after lamination, cutting at equal intervals, removing invalid areas, peeling a second substrate at an output position, and recovering the peeled second substrate through a third deviation correcting roller (9-2) and an eighth guide wheel (9-1) by a substrate recovering device (9);B-B3, in the process of stripping the second substrate, the second substrate enters the output end of the second asynchronous cutter mechanism (6) through the ninth guide wheel (10-1) and the fourth deviation correcting roller (10-2) and then the tenth guide wheel (10-3);s3, enabling the left-hand optical rotation patterned substrate output in the step S1 to carry a first substrate and enabling the right-hand optical rotation patterned substrate output in the step S2 to carry a second substrate to synchronously enter a third pressing roller (12) for precise lamination, so as to form a polarizing layer with alternately arranged left-hand optical rotation and right-hand optical rotation;s4, after the lamination is completed, stripping the substrate with small viscosity in the substrates at the two sides of the polarizing layer, and recycling the substrate by a third substrate recycling device (14);s5, performing width dispensing on the stripped surface through a dispenser (16), and simultaneously curing at a surface treatment die roller (15), wherein a lamination gap is adjusted through a lamination gap driving roller (13);and S6, stripping the cured film from the surface treatment die roller (15) through a stripping mechanism (18), and rolling the cured film by a 3D polarizing film rolling device (20) to finish the preparation of the whole 3D film.
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