CN101398495A - Combined optical film sheet and method for manufacturing same - Google Patents
Combined optical film sheet and method for manufacturing same Download PDFInfo
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- CN101398495A CN101398495A CNA2008101762897A CN200810176289A CN101398495A CN 101398495 A CN101398495 A CN 101398495A CN A2008101762897 A CNA2008101762897 A CN A2008101762897A CN 200810176289 A CN200810176289 A CN 200810176289A CN 101398495 A CN101398495 A CN 101398495A
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Abstract
The invention relates to a composite optical film and a manufacturing method thereof; the composite optical film comprises a flexible substrate, a plurality of convex light-collecting prism and a plurality of transparent micelles; the light-collecting prisms are arranged on the flexible substrate and used for collecting light; the transparent micelles are respectively arranged between corresponding light-collecting prisms; furthermore, a clearance area exists between all transparent micelles and the light-collecting prisms; the transparent micelles are used for light diffusion and protection of light-collecting prisms; the transparent micelles are used for light diffusion and protection of light-collecting prisms; the composite optical film uses single film to replace the combination of a plurality of optical films, simplifies the structure of the backlight module and reduces the manufacturing cost of the backlight module.
Description
Technical field
The present invention relates to be applied to the blooming piece of backlight module, particularly a kind of combined optical film piece and manufacture method thereof.
Background technology
LCD must rely on the light penetration liquid crystal layer, and human eye just can be observed the influence that liquid crystal layer change constitutes.Except traditional small-sized single color LCD display module adopted the reflection extraneous light, existing LCD all adopted backlight module by liquid crystal layer dorsal part throw light.The light that backlight module provides must penetrate liquid crystal layer equably, and the light that is projected to liquid crystal layer must possess the briliancy of homogeneous.
Consult Fig. 1, it is the diagrammatic cross-section of the display device of prior art.Display device of the prior art mainly comprises backlight module 90 and display panel 94 elements such as grade.Backlight module 90, comprise backlight 91, light guide plate 92, reflector plate 93, brightening film sheet 95, with diffusion sheet 96.After the light that backlight 91 provides enters light guide plate 92, by the reflection of reflector plate 93 and the guiding of light guide plate 92, make light change direction, and throw toward the direction of brightening film sheet 95 equably.Brightening film sheet 95 makes light concentrate the direction towards display panel 94 by the further optically focused of sheet feeding type, so that the brightness in backlight module 90 fronts strengthens.Yet regularly arranged sheet feeding type and display panel 94 are easy to generate interference fringe (moir é) or rainbow line (rainbow mura), make display panel 94 shown images flaw occur.Therefore; on the brightening film sheet 95, diffusion sheet 96 must be added usually, aforesaid interference fringe or rainbow line can be eliminated by its atomizing structure with atomizing structure; and make backlight module 90 Luminance Distribution more even, and also can be used as the protection structure of the sheet feeding type of protection brightening film sheet 95.
Yet aforesaid backlight module needs a plurality of blooming piece combinations, just can reach desirable effect backlight, and the combination of a plurality of blooming pieces not only can make the quantity of optical element increase, promote beyond the manufacturing cost, also can increase needed operation of assembling and time.Therefore, how to improve the optics framework of backlight module, reduce optical element quantity, become the important techniques problem.
Summary of the invention
Display device of the prior art, its backlight module must just can reach blast, spread and the function of adding lustre to a plurality of optical element combination, and the structure relative complex also increases manufacturing cost.
In view of the above problems, the objective of the invention is to propose a kind of combined optical film piece and manufacture method thereof that is applied to a backlight module, reach blast and diffusion function simultaneously with single optical element.
In order to achieve the above object, the present invention proposes a kind of combined optical film piece, comprises flexible substrate, a plurality of outstanding light-collecting prism and a plurality of transparent micelles.Light-collecting prism is arranged on the flexible substrate, in order to carry out light harvesting.Transparent micelles is disposed at respectively between the corresponding light-collecting prism, and has a void area between each transparent micelles and the light-collecting prism.Transparent micelles spreads in order to carry out light, and the protection light-collecting prism.Combined optical film piece replaces the combination of a plurality of blooming pieces with single diaphragm, has simplified the structure of backlight module, and reduces the cost of manufacture of backlight module.
In order to make aforesaid combined optical film piece, the present invention further proposes a kind of blooming piece method for making, comprises the following step.Transmit flexible substrate continuously, and on flexible substrate, be coated with first colloid continuously.Then first colloid is suppressed with compacting tool set, forming a plurality of light harvesting colloids, and sclerosis light harvesting colloid, to form a plurality of light-collecting prism.It is inferior to configuration second colloid between the light-collecting prism, and second colloid that hardens, and to form a plurality of transparent micelles, forms a void area simultaneously between each transparent micelles and light-collecting prism.
Useful technique effect of the present invention is the function that a plurality of blooming piece reached in the prior art is combined into single diaphragm, reduces the number of optical elements in the backlight module, and then reduces production costs.Combined optical film piece can further reduce the cost of manufacture of combined optical film piece itself apace in the online making of single product.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the display device of prior art.
Fig. 2 is the diagrammatic cross-section of display device of the present invention.
Fig. 3 is the partial cutaway schematic of Fig. 2 combined optical film piece.
Fig. 4 to Fig. 6 is the stereoscopic synoptic diagram of combined optical film piece of the present invention.
Fig. 7 and Fig. 8 are the partial cutaway schematic of combined optical film piece of the present invention.
Fig. 9 is the schematic perspective view of the production board of combined optical film piece of the present invention.
Figure 10 is the upright side schematic view of the production board of combined optical film piece among Fig. 9.
Figure 11 is the front-view schematic diagram of compacting tool set among Figure 10.
Figure 12 is the schematic perspective view of the production board of combined optical film piece of the present invention.
Figure 13 is the upright side schematic view of the production board of combined optical film piece among Figure 12.
Figure 14 is the upright side schematic view of the production board of combined optical film piece of the present invention.
Figure 15 is the schematic perspective view of the production board of combined optical film piece of the present invention.
Figure 16 is the upright side schematic view of the production board of combined optical film piece among Figure 15.
Wherein, description of reference numerals is as follows:
90 backlight module 20a, the 20b roller set
91 light source 20c, 20d, 20e, 20f roller set
92 light guide plate, 21 first spreading implements
93 reflector plates, 211 storage tanks
94 display panels, 212 nozzles
95 brightening film sheets, 22 compacting tool sets
96 diffusion sheets, 221 concaveconvex structures
10 combined optical film pieces, 23 curing systems
11 flexible substrates, 24 release films
111 incidence surfaces, 25 second spreading implements
112 exiting surfaces, 251 storage tanks
12 light-collecting prism, 252 nozzles
12a first colloid 253 storage tanks
12b light harvesting colloid 254 rollers
13 transparent micelles, 255 scrapers
13a second colloid 26 thermals source
14 void area, 27 ultraviolet sources
15 diffusion particles
Embodiment
See also Fig. 2 and Fig. 3, it is an embodiment of display device of the present invention and combined optical film piece, discloses a kind of backlight module 90 and is applied to the combined optical film piece 10 of this backlight module 90.Backlight module 90 comprise a backlight 91, a light guide plate 92, a reflector plate 93, with combined optical film piece 10.Backlight module 90 is in order to provide backlight to a display panel 94, and wherein combined optical film piece 10 is in order to reach diffusion and light harvesting effect, to strengthen positive intensity backlight.Combined optical film piece 10 comprises a flexible substrate 11, a plurality of outstanding light-collecting prism 12 and a plurality of transparent micelles 13.
Light-collecting prism 12 is arranged on the exiting surface 112 of flexible substrate 11, and each light-collecting prism 12 protrudes in the height H of exiting surface 112, and its scope can be between 20 millimeters (mm) and 25 millimeters (mm).Light-collecting prism 12 is in order to refraction and focus on this light, makes light going direction concentrate the normal direction of exiting surface 112, reaches the effect of blast.
See also Fig. 3 and Fig. 4, transparent micelles 13 is disposed at respectively between the corresponding light-collecting prism 12.Between adjacent two transparent micelles 13 of same light-collecting prism 12, can be some contact, local contact or do not contact.Have a difference in height h between the tip portion of the top of transparent micelles 13 and corresponding described a plurality of light-collecting prism 12, its scope can be between 1 millimeter (mm) and 5 millimeters (mm).In addition, there is a void area 14 between the mountain valley of the bottom of each transparent micelles 13 and corresponding described a plurality of light-collecting prism 12, the mountain valley of described a plurality of light-collecting prism 12 refers to formed sunk area between the two adjacent light-collecting prism 12, the bottom of transparent micelles 13 refers to the side of transparent micelles 13 towards the mountain valley of described a plurality of light-collecting prism 12, and the height D scope of void area 14 is between 1 millimeter (mm) and 20 millimeters (mm).Wherein, the refractive index difference scope of light-collecting prism 12 and void area 14 can be between 1.35 and 1.65, and the refractive index difference scope of transparent micelles and this void area 14 also can be between 1.35 and 1.65, make light successfully march to void area 14 with this, enter in the transparent micelles 13 by void area 14 again by light-collecting prism 12.Transparent micelles 13 can comprise a plurality of diffusion particles 15 in addition, be distributed in equably in the transparent micelles 13, the material of diffusion particle 15 can comprise titania or silicon dioxide, in order to break up light and to produce atomizing, the tip portion of avoiding light to concentrate on light-collecting prism 12 leaves, to eliminate or to reduce interference fringe or the rainbow line that regularly arranged light-collecting prism 12 and display panel 94 are produced.In addition, the transparent micelles 13 that protrudes in light-collecting prism 12 can be used as the protection structure simultaneously, avoids light-collecting prism 12 impaired, so need not add screening glass on this combined optical film piece 10.Therefore, combined optical film piece 10 replaces the combination of a plurality of blooming pieces, has simplified the structure of backlight module 90, and reduces the cost of manufacture of backlight module 90.
The formation of transparent micelles 13 after coating colloid between the adjacent light-collecting prism 12 with spreading implement earlier, is carried out hardening process again, makes colloid be hardened to transparent micelles.Transparent micelles 13 can adopt the material with different sclerosis mechanism, for example: photo-hardening material or thermmohardening material.
The photo-hardening material can refer to comprise the photoinduction glue of light initiator, its by UV-irradiation after, just can begin other composition of aggregation colloid and sclerosis, the light initiator can comprise different third plug ton ketone (Isopropylthioxanthone) or 2-hydroxyl-(2 aminomethyl phenyl) acetone materials such as (2-Hydroxy-2methylphenylpropanone), be mixed in the carbamate (urethane), the present invention is not as limit.
All the other polymerization compositions of thermmohardening material or aforementioned colloid can be the thermohardening type resin, form by thermmohardening polymkeric substance and organic solvent, the thermohardening type resin is after being heated, organic solvent is volatilization earlier, the monomer of heat curing copolymer just can begin polymerization, sclerosis, it can comprise thermohardening type resin epoxy acrylate (Epoxy-Acrylate), Isooctyl acrylate monomer (Isooctyl Acrylate), polyacrylic acid (Poly acrylicacid) or methyl acrylate materials such as (Methyl Acrylate), and the present invention is not as limit.
See also Fig. 5, be not each to all needing to dispose transparent micelles 13 between the adjacent light-collecting prism 12, each transparent micelles 13 can be disposed at each discontinuously between the adjacent light-collecting prism 12, does not promptly dispose transparent micelles between Bu Fen the adjacent light-collecting prism 12.
Consult Fig. 6 again, the three-dimensional kenel of transparent micelles 13 is irregular bulk, however the three-dimensional kenel of transparent micelles 13 can change along with spreading implement, so it can be oval strip, irregular strip or oval spherical, the present invention is not as limit.
Consult Fig. 3, Fig. 7 and Fig. 8 again, according to the difference of spreading implement, the section shape of transparent micelles 13 can be ellipse, the lobed ellipse of a side or irregular cloud shape, to strengthen diffusion effect.
See also Fig. 9 and Figure 10, it is the synoptic diagram of the production board of combined optical film piece of the present invention, in order to an embodiment of explanation blooming piece method for making of the present invention, to make combined optical film piece of the present invention.The method is with roller set 20a, and 20b transmits flexible substrate 11 continuously, then is coated with the first colloid 12a continuously on flexible substrate 11 with first spreading implement 21, and the first colloid 12a is for forming the material of light-collecting prism 12.Wherein, first spreading implement 21 mainly comprises storage tank 211 and nozzle 212, storage tank 211 is in order to the ccontaining first colloid 12a, 212 at nozzle has a slit, and the bearing of trend of slit is vertical with the direction that flexible substrate 11 is transmitted, use for the first colloid 12a and pass through, and arrive on the flexible substrate 11 that continues to move, make flexible substrate 11 surface coated one decks first colloid 12a.
Then suppress, to form a plurality of light harvesting colloid 12b with 22 couples first colloid 12a of compacting tool set.See also Figure 11, the column structure of compacting tool set 22 for continuing to rotate, and has concaveconvex structure 221 on its outer peripheral face, when compacting tool set 22 contact and apply pressure to behind the first colloid 12a, following recess and epirelief place by concaveconvex structure 221, making the colloid 12a plastotype of winning is the kenel of light-collecting prism 12, constitutes aforesaid light harvesting colloid 12b.Then, with curing system 23 sclerosis light harvesting colloid 12b, form a plurality of light-collecting prism 12.The kenel of curing system 23 is decided on the sclerosis mechanism of first colloidal materials, and based on thermmohardening type resin, then curing system 23 is a thermal source as if composition; If composition comprises the light initiator, 23 of curing systems are ultraviolet source, and add that thermal source is to quicken the organic solvent volatilization.
Consult Fig. 9 and Figure 10 again, then with roller set 20a, 20b upset flexible substrate 11 and light-collecting prism 12, and continue to transmit.Simultaneously, with another group roller set 20c, 20d, 20e, 20f transmit a release film 24 continuously, are coated with the second colloid 13a continuously on release film 24 with second spreading implement 25, and the second colloid 13a is for forming the material of transparent micelles 13.Wherein, second spreading implement 25 mainly comprises storage tank 251 and nozzle 252, and storage tank 251 is in order to the ccontaining second colloid 13a, and 252 at nozzle has a slit, and the bearing of trend of slit is vertical with the direction that release film 24 is transmitted.Then make the flexible substrate 11 after the upset near each other, and direction and speed that flexible substrate 11 and release film 24 are transmitted are identical with release film 24.The distance of flexible substrate 11 and release film 24, should be more than or equal to the height of light-collecting prism 12, simultaneously, light-collecting prism 12 only tip portion contacts the second colloid 13a, dispose the second colloid 13a between light-collecting prism 12 with this, and make the mountain valley of adjacent light-collecting prism 12 and the second colloid 13a not void area 14 of filler of being separated by, as Fig. 3, Fig. 7 or shown in Figure 8.At last, with curing system 26, the 27 sclerosis second colloid 13a,, form void area 14 simultaneously between each transparent micelles 13 and light-collecting prism 12 to form a plurality of transparent micelles 13, after the second colloid 13a is hardened to transparent micelles 13, removes release film 24 and can finish blooming piece 10 of the present invention.The kenel of curing system is decided on the sclerosis mechanism of the second colloid 13a material, and based on thermmohardening type resin, then curing system only needs a thermal source 26 as if composition; Comprise the light initiator as if composition, curing system needs thermal source 26 and ultraviolet source 27, and wherein the second colloid 13a is heated by thermal source 26 earlier, to quicken organic solvent volatilization and reduced volume, shines to finish sclerosis with ultraviolet source 27 again.In addition, the second colloid 13a does not need to be extruded by second spreading implement 25 constantly, second spreading implement 25 can be extruded the second colloid 13a intermittently, the second colloid 13a is stained with discontinuously sticks between light-collecting prism 12, to form the transparent micelles 13 of discontinuous strip, bulk or irregular strip, bulk.
Because after flexible substrate 11 is reversed, just make the second colloid 13a be disposed between the light-collecting prism 12, be subjected to gravity traction for fear of the second colloid 13a, can be extruded by second spreading implement 25 again, so the coefficient of viscosity scope of the second colloid 13a is best between 200cps and 800cps, it can make the second colloid 13a be attached to light-collecting prism 12 before by sclerosis, can not be subjected to gravity traction and drips, and can successfully be extruded by second spreading implement 25.
See also Figure 12 and Figure 13, it is the synoptic diagram of the production board of combined optical film piece of the present invention, in order to the method for making of explanation blooming piece of the present invention, to make combined optical film piece of the present invention.In the present embodiment, the step of making light-collecting prism 12 is roughly identical with the described embodiment of Fig. 9, Figure 10, with roller set 20a, 20b transmits flexible substrate 11 continuously, then is coated with the first colloid 12a continuously on flexible substrate 11 with first spreading implement 21 earlier.Then suppress, to form a plurality of light harvesting colloid 12b with 22 couples first colloid 12a of compacting tool set.At last, with curing system 23 sclerosis light harvesting colloid 12b, form a plurality of light-collecting prism 12.
Follow with roller set 20a, 20b upset flexible substrate 11 and light-collecting prism 12, and continue to transmit.Directly implant the second colloid 13a from lower to upper between the described a plurality of light-collecting prism 12 after the upset with second spreading implement 25, second spreading implement 25 comprises storage tank 251 and nozzle 252, the second colloid 13a is placed in the storage tank 251, and via between the nozzle 252 implantation light-collecting prism 12, and make the mountain valley of the light-collecting prism 12 after the upset and the second colloid 13a void area 14 of being separated by, as Fig. 3, Fig. 7 or shown in Figure 8.Wherein, nozzle 252 can comprise a plurality of spray orifices, and the sunk area between the corresponding adjacent light-collecting prism 12 is directly implanted the second colloid 13a.Nozzle 252 also can comprise single slit, the second colloid 13a is coated the tip portion of light-collecting prism 12.The coefficient of viscosity scope of the second colloid 13a can be attached on the light-collecting prism 12 the second colloid 13a, and can be extruded by second spreading implement 25 smoothly to be the best between 200cps and 800cps before by sclerosis.At last, with the curing system second colloid 13a that hardens,, form void area 14 simultaneously between each transparent micelles 13 and light-collecting prism 12 to form a plurality of transparent micelles 13.Wherein, the second colloid 13a shines to harden with ultraviolet source 27 earlier, avoids the second colloid 13a to continue downward landing, drip, and is then heated by thermal source 26 again, to quicken organic solvent volatilization and reduced volume, finishes sclerosis at last.
See also Figure 14, it is the synoptic diagram of the production board of combined optical film piece of the present invention, in order to an embodiment of explanation blooming piece method for making of the present invention, to make combined optical film piece of the present invention.In the present embodiment, the step of making light-collecting prism 12 and transparent micelles 13 is roughly identical with the described embodiment of Figure 12, Figure 13.
In present embodiment, second spreading implement 25 that is used to be coated with the second colloid 13a comprises open storage tank 253, roller 254 and scraper 255.Storage tank 253 is in order to the ccontaining second colloid 13a, and roller 254 then part is soaked among the second colloid 13a, and continues to rotate to be stained with the glutinous second colloid 13a in its surface.Scraper 255 is stained with in order to wiper and is sticked second unnecessary on the roller 254 colloid 13a, to control the thickness of the second colloid 13a.Roller 254 continues to rotate, and its tangential velocity should equal the speed that flexible substrate 11 is transmitted.The second colloid 13a that sticks in roller 254 is stained with in light-collecting prism 12 contacts after the upset, with this second colloid 13a is implanted between the light-collecting prism 12 after the upset by roller 254, make the tip portion of the light-collecting prism 12 after the upset contact the second colloid 13a, and make the mountain valley of the light-collecting prism 12 after the upset and the second colloid 13a void area 14 of being separated by, as Fig. 3, Fig. 7 or shown in Figure 8.
Consult Figure 15 and Figure 16 again, be the synoptic diagram of the production board of combined optical film piece of the present invention, in order to an embodiment of explanation blooming piece method for making of the present invention, to make combined optical film piece of the present invention.In the present embodiment, the step of making light-collecting prism 12 is roughly identical with previous embodiment, and earlier with roller set 20a, 20b transmits flexible substrate 11 continuously, then is coated with the first colloid 12a continuously on flexible substrate 11 with first spreading implement 21.Then suppress, to form a plurality of light harvesting colloid 12b with 22 couples first colloid 12a of compacting tool set.At last, sclerosis light harvesting colloid 12b forms a plurality of light-collecting prism 12.
Then splash between the light-collecting prism 12 of the second colloid 13a before upset with second spreading implement 25, then in company with flexible substrate 11 and described a plurality of light-collecting prism 12, the second colloid 13a in the lump overturns, make the second colloid 13a flow to the tip portion of a little light-collecting prism 12 after the upset, and the void area 14 of being separated by of the second colloid 13a after the mountain valley that makes the described a plurality of light-collecting prism 12 after the upset and the upset.For the second colloid 13a can being flowed smoothly and prismatic 12 drippages of light-self-collecting apace not, the coefficient of viscosity scope of the second colloid 13a is being the best between 100cps and 200cps.In addition, the second colloid 13a comprises organic solvent in addition, therefore in the configuration of curing system, earlier the second colloid 13a is heated with thermal source 26, with the volatilization organic solvent, make organic solvent gas push the second colloid 13a, enlarge void area 14 and dwindle the volume of the second colloid 13a, just with the ultraviolet source 27 irradiations second colloid 13a, make it be hardened to transparent micelles 13 at last.
Claims (12)
1. combined optical film piece comprises:
One flexible substrate;
A plurality of outstanding light-collecting prism are arranged on this flexible substrate; And
A plurality of transparent micelles are disposed at respectively between the corresponding light-collecting prism, and have a void area between each transparent micelles and the described a plurality of light-collecting prism.
2. combined optical film piece as claimed in claim 1, the altitude range of wherein said a plurality of light-collecting prism is between 20 millimeters and 25 millimeters, each transparent micelles is given prominence to described a plurality of light-collecting prism one differences in height, its scope is between 1 millimeter and 5 millimeters, and the altitude range of this void area is between 1 millimeter and 20 millimeters.
3. combined optical film piece as claimed in claim 1, the refractive index difference scope of wherein said a plurality of light-collecting prism and this void area is between 1.35 and 1.65, and the refractive index difference scope of described a plurality of transparent micelles and this void area is also between 1.35 and 1.65.
4. combined optical film piece as claimed in claim 1, wherein said a plurality of transparent micelles also comprise a plurality of diffusion particles, and its material comprises titania or silicon dioxide.
5. combined optical film piece as claimed in claim 1, the material of wherein said a plurality of transparent micelles comprises thermmohardening materials such as epoxy acrylate, Isooctyl acrylate monomer, polyacrylic acid or methyl acrylate.
6. combined optical film piece as claimed in claim 1, the material of wherein said a plurality of transparent micelles comprise different third plug ton ketone or the 2-hydroxyl-photo-hardening materials such as (2 aminomethyl phenyl) acetone.
7. blooming piece manufacture method comprises the following step:
Transmit a flexible substrate continuously;
On this flexible substrate, be coated with one first colloid continuously;
With a compacting tool set this first colloid is suppressed, to form a plurality of light harvesting colloids;
The described a plurality of light harvesting colloid that hardens is to form a plurality of light-collecting prism;
Configuration one second colloid between described a plurality of light-collecting prism; And
This second colloid that hardens is to form a plurality of transparent micelles between described a plurality of light-collecting prism;
Wherein, has a void area between each transparent micelles and the described a plurality of light-collecting prism.
8. blooming piece manufacture method as claimed in claim 7, wherein coefficient of viscosity scope circle of this second colloid is between 200cps and 800cps, and this method comprises in addition:
Overturn this flexible substrate and described a plurality of light-collecting prism;
Transmit a release film continuously;
Wherein, the step of this second colloid of configuration is between described a plurality of light-collecting prism:
This second colloid of coating on this release film;
Make this flexible substrate and this release film after the upset near each other; And
Make the tip portion of the described a plurality of light-collecting prism after the upset contact this second colloid, and make the mountain valley of the described a plurality of light-collecting prism after the upset and this second gel phase every this void area; And
Remove this release film.
9. blooming piece manufacture method as claimed in claim 7, wherein coefficient of viscosity scope circle of this second colloid is between 200cps and 800cps, and this method comprises in addition:
Overturn this flexible substrate and described a plurality of light-collecting prism;
Wherein, the step of this second colloid of configuration between described a plurality of light-collecting prism is for implanting this second colloid between the described a plurality of light-collecting prism after the upset with nozzle or roller.
10. blooming piece manufacture method as claimed in claim 7, wherein coefficient of viscosity scope circle of this second colloid is between 200cps and 800cps, and this method comprises in addition:
Overturn this flexible substrate and described a plurality of light-collecting prism;
Wherein, the step of this second colloid of configuration between described a plurality of light-collecting prism, for the tip portion that makes the described a plurality of light-collecting prism after the upset contacts this second colloid, and make the mountain valley of the described a plurality of light-collecting prism after the upset and this second gel phase every this void area.
11. blooming piece manufacture method as claimed in claim 7, wherein coefficient of viscosity scope circle of this second colloid is in 100cps and 200cps, and this method comprises in addition:
To splash into this second colloid between described a plurality of light-collecting prism of nozzle before upset;
In company with this flexible substrate and described a plurality of light-collecting prism, this second colloid in the lump overturns; And
Make this second colloid flow to the tip portion of the described a plurality of light-collecting prism after the upset, and this second gel phase after the mountain valley that makes the described a plurality of light-collecting prism after the upset and the upset is every this void area.
12. blooming piece manufacture method as claimed in claim 7, wherein this second colloid comprises organic solvent in addition, and this method comprises after this second colloid of configuration in addition:
Heat this second colloid,, and dwindle the volume of this second colloid with the volatilization organic solvent.
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| CN200810176289A CN101398495B (en) | 2008-11-21 | 2008-11-21 | Combined optical film sheet and method for manufacturing same |
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| CN200810176289A CN101398495B (en) | 2008-11-21 | 2008-11-21 | Combined optical film sheet and method for manufacturing same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253440A (en) * | 2011-04-29 | 2011-11-23 | 友达光电股份有限公司 | Optical film |
| CN106154367A (en) * | 2016-08-23 | 2016-11-23 | 苏州大学 | A kind of light diffusing sheet and preparation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI481930B (en) * | 2012-12-28 | 2015-04-21 | Chi Mei Corp | Manufacturing method of optical plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253440A (en) * | 2011-04-29 | 2011-11-23 | 友达光电股份有限公司 | Optical film |
| CN106154367A (en) * | 2016-08-23 | 2016-11-23 | 苏州大学 | A kind of light diffusing sheet and preparation method |
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| Publication number | Publication date |
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| CN101398495B (en) | 2012-10-03 |
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