CN104614791A - Birghtness enhancement film with pyramid structure and manufacture method thereof - Google Patents
Birghtness enhancement film with pyramid structure and manufacture method thereof Download PDFInfo
- Publication number
- CN104614791A CN104614791A CN201510034413.6A CN201510034413A CN104614791A CN 104614791 A CN104614791 A CN 104614791A CN 201510034413 A CN201510034413 A CN 201510034413A CN 104614791 A CN104614791 A CN 104614791A
- Authority
- CN
- China
- Prior art keywords
- enhancement film
- glue
- roll
- pyramid
- brightness enhancement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
Abstract
The invention relates to a birghtness enhancement film used in a liquid crystal display backlight module, and in particular relates to a birghtness enhancement film with a pyramid structure and a manufacture method thereof; the birghtness enhancement film comprises a transparent base material and a pyramid structure layer, the transparent base material comprises a first optical surface and a second optical surface, the second optical surface is located at the back of the first optical surface, and the pyramid structure layer is composed of a plurality of pyramid monomers evenly distributed. The birghtness enhancement film is provided with the pyramid structure layer having pyramid structure for realizing space multi-direction optical gain effect, the display uniformity and optical gain effect of the backlight module can be greatly improved based on the simple piece of birghtness enhancement film. The manufacture method comprises the unreeling step, coating step and forming step. The specific temperature setting operation can effectively guarantee the controllability and uniformity of the thickness of the coating, the process is simple and the cost is low.
Description
Technical field
The present invention relates to the brightness enhancement film in a kind of LCD backlight module, be specifically related to a kind of brightness enhancement film with pyramid structure and manufacture method thereof.
Background technology
Liquid crystal display has the advantages such as energy consumption is low, lightweight, radiationless, flicker free, it is the display of main flow on the market at present, but liquid crystal is as the passive luminescent material of one, need to rely on backlight module could realize the display of image, in general, backlight module is made up of light source, reflectance coating, light guide plate, optics module, and wherein optics module comprises lower diffusion barrier, lower brightness enhancement film, upper brightness enhancement film, upper diffusion barrier; Pointolite or line source can be changed into uniform area source by light guide plate and diffusion barrier, and the light originally dispersed can be concentrated to axial direction by brightness enhancement film, thus improve the positive apparent brightness of liquid crystal display.Maximize to make axial brightness, the brightness enhancement film up and down that the backlight module of current main flow all adopts prism structural layer in 90 ° is mutually as brightness enhancement film group, light is after lower brightness enhancement film, be concentrated in one direction ± angular field of view of 35 ° in, through upper brightness enhancement film, light is pooled in vertical direction again ± angular field of view of 35 ° in, thus realize twice blast, gain effect improves greatly.But move towards single due to brightness enhancement film prism structural layer, a brightness enhancement film is difficult to the luminance gain of implementation space all directions, in order to improve the homogeneity of backlight module display and make brightening effect maximize, general backlight module all needs the brightness enhancement film of use more than two, this not only adds the thickness of blooming group, be unfavorable for the lightening of optics module, also greatly increases cost.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of brightness enhancement film with pyramid structure, this brightness enhancement film energy multi-direction optical gain effect in implementation space simultaneously, thus the quantity that in backlight module, brightness enhancement film uses can be reduced, the thickness of thinning optics module, reduces the cost of backlight module.
Another object of the present invention is to the manufacture method providing a kind of brightness enhancement film with pyramid structure, this manufacture method is arranged by specific temperature, effectively can ensure controllability and the homogeneity of coating thickness, and technique is simple, and cost is low.
Object of the present invention is achieved through the following technical solutions: a kind of brightness enhancement film with pyramid structure, comprise transparent base and pyramidal structure layer, transparent base comprises the first optical surface and the second optical surface, second optical surface is positioned at the back side of the first optical surface, described pyramidal structure layer is arranged at the first optical surface, and pyramidal structure layer is made up of some equally distributed pyramid monomers.
The bottom surface of described pyramid monomer is regular polygon, and the xsect of pyramid monomer is isosceles triangle, and the corner angle of isosceles triangle is 85-95 °; The base length of side of described pyramid monomer is 24-50 μm, and the height of pyramid monomer is 12-25 μm; Described transparent base is PET film, PMMA film or PC film, and its thickness is 30-150 μm; Described pyramidal structure layer is acrylic Acid UV curing resin layer.
The drift angle of described pyramid monomer is tip-angled shape or arc-shaped, and the arc radius of arc-shaped drift angle is 3-8 μm.
The end face of described pyramid monomer is plane, and end face is the regular polygon plane being parallel to pyramid monomer bottom surface, and the length of side of regular polygon plane is 3-8 μm.
Another object of the present invention is achieved through the following technical solutions: a kind of manufacture method of the brightness enhancement film with pyramid structure, comprises the steps:
A, to unreel: the transparent base getting rolling, unreels, the transparent base after unreeling through deflector roll traction to subsequent processing;
B, coating: adopt three-roller type apparatus for coating to be coated with one deck glue at the transparent substrate surface of traction, the transparent base being coated with glue draws to subsequent processing through deflector roll;
C, shaping: the transparent base being coated with glue to be impressed by shaped device and light source curing through UV, obtain pyramidal structure layer at the surface forming of transparent base, the brightness enhancement film of obtained band pyramid structure.
In described step B, three-roller type apparatus for coating comprises glue groove for splendid attire glue and the sizing material roller, metering roll and the applicator roll that set gradually, the bottom of sizing material roller is immersed in the glue in glue groove, and sizing material roller is identical with the sense of rotation of applicator roll, and contrary with the sense of rotation of metering roll; The differential surface speed of sizing material roller, metering roll and applicator roll is 1:1:1, and the temperature of sizing material roller, metering roll and applicator roll is identical with the temperature of glue groove; In described steps A and described step B, the temperature of deflector roll is identical with the temperature of glue groove.
In described step B, when glue is high index of refraction glue, the temperature of glue groove, sizing material roller, metering roll, applicator roll and deflector roll is 48-52 DEG C; When glue is for back of the body cementing or common glue, the temperature of glue groove, sizing material roller, metering roll, applicator roll and deflector roll is 38-42 DEG C.
In described step C, shaped device comprises the front pinch roller, patterned roll and the rear pinch roller that set gradually, and front pinch roller is identical with the sense of rotation of rear pinch roller, and contrary with the sense of rotation of decorative pattern rod, by regulating the temperature of patterned roll, the thickness of the shaping pyramidal structure layer obtained can be regulated.
In described step C, the surface electrical of patterned roll is coated with layers of copper or the nickel dam of 100-500 μm of thickness, and the surface of layers of copper or nickel dam is provided with the pyramidal structure processed through the turning of single-point diamond cutter or laser forming.
In described step C, the surface electrical of patterned roll is coated with the layers of copper of 300 μm of thickness, and the surface of layers of copper is provided with the pyramidal structure processed through the turning of single-point diamond cutter.
Beneficial effect of the present invention is: brightness enhancement film of the present invention is by being provided with the pyramidal structure layer of pyramid structure, energy is the multi-direction optical gain effect in implementation space simultaneously, and the basis of individual brightness enhancement film is at utmost improved show uniformity and the optical gain effect of backlight module.
Brightness enhancement film of the present invention can replace multiple brightness enhancement film in backlight module, reduces the usage quantity of brightness enhancement film, reduces the cost of backlight module.
Manufacture method of the present invention is arranged by specific temperature, effectively can ensure controllability and the homogeneity of coating thickness, and technique is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of down straight aphototropism mode set.
Fig. 2 is perspective view of the present invention.
Fig. 3 is vertical view of the present invention.
Fig. 4 is the structural representation of the embodiment of the present invention one.
Fig. 5 is light intensity of the present invention-level angle distribution plan.
Fig. 6 is light intensity of the present invention-vertical angle distribution plan.
Fig. 7 is process chart of the present invention.
Fig. 8 is the structural representation of described coating process;
Fig. 9 is the temperature-viscosity curve of three kinds of glue that described coating process is commonly used.
Figure 10 is the structural representation of described moulding process
Figure 11 is the structural representation of the embodiment of the present invention two.
Figure 12 is the structural representation of the embodiment of the present invention three.
Reference numeral is: 10-reflectance coating, 11-light source, 12-blooming group, 120-diffuser plate, 121-lower diffusion barrier, 122-lower brightness enhancement film, 123-upper brightness enhancement film, 124-above diffusion barrier, 40-transparent base, 41-pyramidal structure layer, 411-pyramid monomer;
80-glue groove, 81-sizing material roller, 82-metering roll, 83-applicator roll, 84-emptying roller, 85,86,87,88-deflector roll, 100-transparent base, 101-front pinch roller, 102-patterned roll, 103-rear pinch roller, 104-UV light source.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing 1-12, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment one
Be the embodiment one of a kind of brightness enhancement film with pyramid structure of the present invention as Figure 1-10 shows, comprise transparent base 40 and pyramidal structure layer 41, transparent base 40 comprises the first optical surface and the second optical surface, second optical surface is positioned at the back side of the first optical surface, described pyramidal structure layer 41 is arranged at the first optical surface, and pyramidal structure layer 41 is made up of some equally distributed pyramid monomers 411.
Brightness enhancement film of the present invention is by being provided with the pyramidal structure layer of pyramid structure, and energy is the multi-direction optical gain effect in implementation space simultaneously, and the basis of individual brightness enhancement film is at utmost improved show uniformity and the optical gain effect of backlight module.
Brightness enhancement film of the present invention can replace multiple brightness enhancement film in backlight module, reduces the usage quantity of brightness enhancement film, reduces the cost of backlight module.
In the present embodiment, the bottom surface of described pyramid monomer 411 is regular polygon, and the xsect of pyramid monomer 411 is isosceles triangle, and the corner angle α of isosceles triangle is 90 °.The present invention adopts the pyramid of regular polygon, and gain effect is good, and when the xsect of pyramid monomer 411 is isosceles triangle, gain effect is better.
In the present embodiment, the base length of side d2 of described pyramid monomer 411 is 36 μm, and the height d1 of pyramid monomer 411 is 18 μm.
In the present embodiment, the drift angle of described pyramid monomer 411 is tip-angled shape.Drift angle be tip-angled shape be arranged so that gain effect of the present invention is good.
In the present embodiment, described transparent base 40 is PET film, PMMA film or PC film, and its thickness d 0 is 90 μm.
In the present embodiment, described pyramidal structure layer 41 is acrylic Acid UV curing resin layer.
The structural representation of down straight aphototropism mode set as shown in Figure 1, it comprises the reflectance coating 10, light source 11 and the blooming group 12 that set gradually from the bottom up, wherein, blooming group 12 comprises the diffuser plate 120, lower diffusion barrier 121, lower brightness enhancement film 122, upper brightness enhancement film 123 and the upper diffusion barrier 124 that set gradually from the bottom up.This backlight module is mainly the homogeneous lighting source that display panels provides enough brightness, homogeneous degree provides primarily of diffuser plate 120, lower diffusion barrier 121 and upper diffusion barrier 124, lower brightness enhancement film 123 and upper brightness enhancement film 124 can improve the axial brightness of homogeneous light source, save electric energy, extend service time of battery.
Fig. 5 and Fig. 6 is brightness enhancement film light intensity-angular distribution figure, and wherein, Fig. 5 represents light intensity-level angle distribution plan, and Fig. 6 represents light intensity-vertical angle distribution plan.Wherein, light intensity-angular distribution figure, One BEF-1 curve that Display curve represents without brightness enhancement film represents that light intensity-angular distribution figure, the One BEF-2 curve adding traditional brightness enhancement film represents the light intensity-angular distribution figure adding brightness enhancement film of the present invention.Brightness enhancement film of the present invention replaces the upper brightness enhancement film 123 in traditional optical module 12.
From Fig. 5 and Fig. 6, add the axial intensity of brightness enhancement film than not adding improve of brightness enhancement film, and visual angle reduces, tradition brightness enhancement film has the effect at the visual angle in compression level direction, but less to the visual angle compression of vertical direction, and brightness enhancement film of the present invention all has compression to light with vertical direction in the horizontal direction, the single-view luminance gain of relatively traditional brightness enhancement film, brightness enhancement film of the present invention can reach the effect of various visual angles luminance gain, and action space angular range is wider.Down straight aphototropism mode set axial intensity gain effect is specifically as shown in table 1.
Table 1
| Film group | Display | One BEF-1 | One BEF-2 |
| Axial intensity (normalization) | 1 | 1.2 | 1.64 |
As shown in Table 1, compare traditional brightness enhancement film, brightness enhancement film of the present invention is when monolithic uses, and its gain effect is more obvious.
A manufacture method for brightness enhancement film with pyramid structure, comprises the steps:
A, to unreel: the transparent base 100 getting rolling, unreels through blowing rod 84, the transparent base 100 after unreeling draws to subsequent processing through deflector roll 85,86,87;
B, coating: adopt three-roller type apparatus for coating at transparent base 100 surface coating one deck glue of traction, the transparent base 100 being coated with glue draws to subsequent processing through deflector roll 88;
C, shaping: the transparent base 100 being coated with glue to be impressed by shaped device and solidifies through UV light source 104, obtaining pyramidal structure layer 41 at the surface forming of transparent base 100, the brightness enhancement film of obtained band pyramid structure.
The brightness enhancement film of obtained band pyramid structure, again through covering diaphragm, rolling, itemize, cutting step, obtains finished product.
In described step B, three-roller type apparatus for coating comprises glue groove 80 for splendid attire glue and the sizing material roller 81 set gradually, metering roll 82 and applicator roll 83, the bottom of sizing material roller 81 is immersed in the glue in glue groove 80, sizing material roller 81 is identical with the sense of rotation of applicator roll 83, and contrary with the sense of rotation of metering roll 82; The differential surface speed of sizing material roller 81, metering roll 82 and applicator roll 83 is 1:1:1, and the temperature of sizing material roller 81, metering roll 82 and applicator roll 83 is identical with the temperature of glue groove 80; In described steps A and described step B, the temperature of deflector roll 85,86,87,88 is identical with the temperature of glue groove 80.
In described step B, when glue is high index of refraction glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82, applicator roll 83 and deflector roll 85,86,87,88 is 50 DEG C; When glue is for back of the body cementing or common glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82, applicator roll 83 and deflector roll 85,86,87,88 is 40 DEG C.
In described step C, shaped device comprises the front pinch roller 101, patterned roll 102 and the rear pinch roller 103 that set gradually, front pinch roller 101 is identical with the sense of rotation of rear pinch roller 103, and it is contrary with the sense of rotation of decorative pattern rod 102, by regulating the temperature of patterned roll 102, the thickness of the shaping pyramidal structure layer 41 obtained can be regulated.
In described step C, the surface electrical of patterned roll 102 is coated with the layers of copper of 300 μm of thickness, and the surface of layers of copper is provided with the pyramidal structure processed through the turning of single-point diamond cutter.
The process chart of brightness enhancement film of the present invention as shown in Figure 7, specifically comprises and unreels, is coated with, shaping, overlay film, rolling, itemize, the operation such as to cut.As shown in Figure 8, coating process takes three-roller type to be coated with, three-roller type is coated with and arranges and comprise glue groove 80, sizing material roller 81, metering roll 82 and applicator roll 83, by the thickness regulating the differential surface speed between sizing material roller 81 in three-roller type apparatus for coating, gap between metering roll 82 and applicator roll 83 and each roller can regulate gluing.In the present embodiment, the gap of each roller regulates in advance, and the differential surface speed of sizing material roller 81, metering roll 82 and applicator roll 83 is set as 1:1:1.
Because glue coating does not add solvent, glue viscosity is higher, for reducing glue viscosity, needs to raise glue temperature.Especially by such as under type realization: glue groove 80 carries heating system, and control at design temperature, glue groove 80 temperature of this apparatus for coating maintains specified temp, for ensureing that masking liquid temperature in transfer process keeps stable always, each roller strap hollow cyclic water channel of this apparatus for coating, in coating process, water is heated to design temperature through boiler, delivers to the hollow cyclic water channel of each roller through water pump.In the present embodiment, the set temperature of sizing material roller 81, metering roll 82 and applicator roll 83 is consistent with glue groove 80 temperature.
It is the temperature-viscosity curve of three kinds of glue that brightness enhancement film coating process is commonly used shown in Fig. 9, as shown in Figure 9, temperature is higher, glue coating viscosity is less, for ensureing the stability of coating process glue transfer, when glue is high index of refraction glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82 and applicator roll 83 is all set to 50 DEG C; When glue is for back of the body cementing or common glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82 and applicator roll 83 is all set to 40 DEG C.Described high index of refraction glue, back of the body cementing or common glue are the conventional acrylic Acid UV glue in this area.
For ensureing that glue reaches heat and mates in coating process with transparent base 100, make glue application even, transparent base 100 needs to be consistent with glue temperature, therefore, deflector roll 85,86,87,88 needs to arrange uniform temperature, and the deflector roll 85,86,87,88 of this coating system is also with hollow cyclic water channel, and cyclic water channel water set temperature is consistent with glue groove 80 temperature, empirical tests, this arranges the homogeneity that effectively can ensure glue application.
Moulding process as shown in Figure 10, wherein, shaped device comprises front pinch roller 101, patterned roll 102, rear pinch roller 103, transparent base 100 after apparatus for coating gluing is in the gap between front pinch roller 101 and patterned roll 102, a hydrops groove can be formed at this gap location, the material of front pinch roller 101 is rubber, by the adjustment hardness of rubber and the surface temperature of patterned roll 102, can gap length between indirect regulation patterned roll 102 and front pinch roller 101, thus the thickness of pyramidal structure layer 41 can be controlled, concrete regulative mode is as follows: patterned roll 102 is with hollow cyclic water channel, in coating process, water is heated to design temperature through boiler, the hollow cyclic water channel of patterned roll 102 is delivered to through water pump, thus reach the effect regulating front pinch roller 101 and patterned roll 102 contact position surface temperature, temperature is higher, rubber wheel degrees of expansion is larger, gap between front pinch roller 101 and patterned roll 102 is less, thus make the thickness of pyramidal structure layer 41 less.By effective control of front pinch roller 101 and rear pinch roller 103, effectively can ensure that transparent base 100 and patterned roll 102 fit tightly, thus ensure that the structure in patterned roll 102 can effectively be impressed on glue layer, thus form the pyramidal structure layer 41 with the complementation of patterned roll 102 surface micro-structure.In moulding process, UV light source 104 pairs of glue structures of patterned roll 102 lower end are cured, thus obtain the brightness enhancement film of band pyramid structure.
Embodiment two
Be the embodiment two of a kind of brightness enhancement film with pyramid structure of the present invention as shown in figure 11, be with the difference of above-described embodiment one: the bottom surface of described pyramid monomer 411 is regular polygon, the xsect of pyramid monomer 411 is isosceles triangle, and the corner angle α of isosceles triangle is 85 °.
The base length of side d2 of described pyramid monomer 411 is 24 μm, and the height d1 of pyramid monomer 411 is 12 μm.
Described transparent base 40 is PET film, PMMA film or PC film, and its thickness d 0 is 30 μm.
The drift angle of described pyramid monomer 411 is arc-shaped, and the arc radius of arc-shaped drift angle is 5 μm.Drift angle be arc-shaped be arranged so that the present invention is in use more wear-resisting, simultaneously display brightness can be made more to relax.
In described step B, when glue is high index of refraction glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82, applicator roll 83 and deflector roll 85,86,87,88 is 48 DEG C; When glue is for back of the body cementing or common glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82, applicator roll 83 and deflector roll 85,86,87,88 is 38 DEG C.
In described step C, the surface electrical of patterned roll 102 is coated with the nickel dam of 100 μm of thickness, and the surface of nickel dam is provided with the pyramidal structure processed through laser forming.
Embodiment three
Be the embodiment three of a kind of brightness enhancement film with pyramid structure of the present invention as shown in figure 12, be with the difference of above-described embodiment one: the bottom surface of described pyramid monomer 411 is regular polygon, the xsect of pyramid monomer 411 is isosceles triangle, and the corner angle α of isosceles triangle is 95 °.
The base length of side d2 of described pyramid monomer 411 is 50 μm, and the height d1 of pyramid monomer 411 is 25 μm.
Described transparent base 40 is PET film, PMMA film or PC film, and its thickness d 0 is 150 μm.
The end face of described pyramid monomer 411 is plane, and end face is the regular polygon plane being parallel to pyramid monomer 411 bottom surface, and the length of side of regular polygon plane is 5 μm.End face is plane be arranged so that the present invention is in use more wear-resisting, display brightness can be made more to relax simultaneously.
In described step B, when glue is high index of refraction glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82, applicator roll 83 and deflector roll 85,86,87,88 is 52 DEG C; When glue is for back of the body cementing or common glue, the temperature of glue groove 80, sizing material roller 81, metering roll 82, applicator roll 83 and deflector roll 85,86,87,88 is 42 DEG C.
In described step C, the surface electrical of patterned roll 102 is coated with the layers of copper of 500 μm of thickness, and the surface of layers of copper is provided with the pyramidal structure processed through the turning of single-point diamond cutter.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. the brightness enhancement film with pyramid structure, it is characterized in that: comprise transparent base and pyramidal structure layer, transparent base comprises the first optical surface and the second optical surface, second optical surface is positioned at the back side of the first optical surface, described pyramidal structure layer is arranged at the first optical surface, and pyramidal structure layer is made up of some equally distributed pyramid monomers.
2. a kind of brightness enhancement film with pyramid structure according to claim 1, it is characterized in that: the bottom surface of described pyramid monomer is regular polygon, the xsect of pyramid monomer is isosceles triangle, and the corner angle of isosceles triangle is 85-95 °; The base length of side of described pyramid monomer is 24-50 μm, and the height of pyramid monomer is 12-25 μm; Described transparent base is PET film, PMMA film or PC film, and its thickness is 30-150 μm; Described pyramidal structure layer is acrylic Acid UV curing resin layer.
3. a kind of brightness enhancement film with pyramid structure according to claim 1, is characterized in that: the drift angle of described pyramid monomer is tip-angled shape or arc-shaped, and the arc radius of arc-shaped drift angle is 3-8 μm.
4. a kind of brightness enhancement film with pyramid structure according to claim 1, it is characterized in that: the end face of described pyramid monomer is plane, end face is the regular polygon plane being parallel to pyramid monomer bottom surface, the length of side of regular polygon plane is 3-8 μm.
5. the manufacture method of a kind of brightness enhancement film with pyramid structure as described in any one of claim 1-4, is characterized in that: comprise the steps:
A, to unreel: the transparent base getting rolling, unreels, the transparent base after unreeling through deflector roll traction to subsequent processing;
B, coating: adopt three-roller type apparatus for coating to be coated with one deck glue at the transparent substrate surface of traction, the transparent base being coated with glue draws to subsequent processing through deflector roll;
C, shaping: the transparent base being coated with glue to be impressed by shaped device and light source curing through UV, obtain pyramidal structure layer at the surface forming of transparent base, the brightness enhancement film of obtained band pyramid structure.
6. the manufacture method of a kind of brightness enhancement film with pyramid structure according to claim 5, it is characterized in that: in described step B, three-roller type apparatus for coating comprises glue groove for splendid attire glue and the sizing material roller, metering roll and the applicator roll that set gradually, the bottom of sizing material roller is immersed in the glue in glue groove, sizing material roller is identical with the sense of rotation of applicator roll, and contrary with the sense of rotation of metering roll; The differential surface speed of sizing material roller, metering roll and applicator roll is 1:1:1, and the temperature of sizing material roller, metering roll and applicator roll is identical with the temperature of glue groove; In described steps A and described step B, the temperature of deflector roll is identical with the temperature of glue groove.
7. the manufacture method of a kind of brightness enhancement film with pyramid structure according to claim 5, is characterized in that: in described step B, and when glue is high index of refraction glue, the temperature of glue groove, sizing material roller, metering roll, applicator roll and deflector roll is 48-52 DEG C; When glue is for back of the body cementing or common glue, the temperature of glue groove, sizing material roller, metering roll, applicator roll and deflector roll is 38-42 DEG C.
8. the manufacture method of a kind of brightness enhancement film with pyramid structure according to claim 5, it is characterized in that: in described step C, shaped device comprises the front pinch roller, patterned roll and the rear pinch roller that set gradually, front pinch roller is identical with the sense of rotation of rear pinch roller, and it is contrary with the sense of rotation of decorative pattern rod, by regulating the temperature of patterned roll, the thickness of the shaping pyramidal structure layer obtained can be regulated.
9. the manufacture method of a kind of brightness enhancement film with pyramid structure according to claim 5, it is characterized in that: in described step C, the surface electrical of patterned roll is coated with layers of copper or the nickel dam of 100-500 μm of thickness, and the surface of layers of copper or nickel dam is provided with the pyramidal structure processed through the turning of single-point diamond cutter or laser forming.
10. the manufacture method of a kind of brightness enhancement film with pyramid structure according to claim 9, it is characterized in that: in described step C, the surface electrical of patterned roll is coated with the layers of copper of 300 μm of thickness, and the surface of layers of copper is provided with the pyramidal structure processed through the turning of single-point diamond cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510034413.6A CN104614791B (en) | 2015-01-23 | 2015-01-23 | Birghtness enhancement film with pyramid structure and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510034413.6A CN104614791B (en) | 2015-01-23 | 2015-01-23 | Birghtness enhancement film with pyramid structure and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104614791A true CN104614791A (en) | 2015-05-13 |
| CN104614791B CN104614791B (en) | 2017-05-24 |
Family
ID=53149320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510034413.6A Active CN104614791B (en) | 2015-01-23 | 2015-01-23 | Birghtness enhancement film with pyramid structure and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104614791B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068162A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Diffusion and brightness-enhancement film having electromagnetic shielding function and preparation method thereof |
| CN106680915A (en) * | 2015-11-09 | 2017-05-17 | 宁波长阳科技股份有限公司 | Composite brightening film applied to backlight module and backlight module |
| CN107020784A (en) * | 2017-05-26 | 2017-08-08 | 云南电网有限责任公司电力科学研究院 | A kind of perspective film and glasses for improving X ray image resolution |
| CN109856715A (en) * | 2019-04-03 | 2019-06-07 | 苏州宝瑞德纳米光学材料有限公司 | A kind of micro-prism structure and its application |
| TWI738458B (en) * | 2020-08-12 | 2021-09-01 | 達運精密工業股份有限公司 | Optical plate and display apparatus |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001272683A (en) * | 2000-03-23 | 2001-10-05 | Sakae Tanaka | Device for manufacturing liquid crystal panel |
| CN1716027A (en) * | 2004-07-02 | 2006-01-04 | Lg电子株式会社 | Prism sheet of liquid crystal display device and backlight unit using the same |
| CN1902511A (en) * | 2003-12-31 | 2007-01-24 | 3M创新有限公司 | Scratch-resistant light directing films |
| CN101057168A (en) * | 2004-11-15 | 2007-10-17 | 3M创新有限公司 | Optical film having a structured surface with rectangular based prisms |
| CN101473248A (en) * | 2006-06-21 | 2009-07-01 | 富士胶片株式会社 | Optical sheet and manufacturing method thereof |
| CN101650448A (en) * | 2008-08-12 | 2010-02-17 | 比亚迪股份有限公司 | Prism sheet and backlight device with same |
| CN201489129U (en) * | 2009-08-21 | 2010-05-26 | 上海友浦塑胶有限公司 | Optical film of four-prism microstructure |
| CN102141638A (en) * | 2011-04-02 | 2011-08-03 | 袁帅 | Prism film of cambered microstructure |
| CN204479779U (en) * | 2015-01-23 | 2015-07-15 | 东莞市纳利光学材料有限公司 | A kind of brightness enhancement film with pyramid structure |
| CN105058826A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Optical film forming method and device |
-
2015
- 2015-01-23 CN CN201510034413.6A patent/CN104614791B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001272683A (en) * | 2000-03-23 | 2001-10-05 | Sakae Tanaka | Device for manufacturing liquid crystal panel |
| CN1902511A (en) * | 2003-12-31 | 2007-01-24 | 3M创新有限公司 | Scratch-resistant light directing films |
| CN1716027A (en) * | 2004-07-02 | 2006-01-04 | Lg电子株式会社 | Prism sheet of liquid crystal display device and backlight unit using the same |
| CN101057168A (en) * | 2004-11-15 | 2007-10-17 | 3M创新有限公司 | Optical film having a structured surface with rectangular based prisms |
| CN101473248A (en) * | 2006-06-21 | 2009-07-01 | 富士胶片株式会社 | Optical sheet and manufacturing method thereof |
| CN101650448A (en) * | 2008-08-12 | 2010-02-17 | 比亚迪股份有限公司 | Prism sheet and backlight device with same |
| CN201489129U (en) * | 2009-08-21 | 2010-05-26 | 上海友浦塑胶有限公司 | Optical film of four-prism microstructure |
| CN102141638A (en) * | 2011-04-02 | 2011-08-03 | 袁帅 | Prism film of cambered microstructure |
| CN204479779U (en) * | 2015-01-23 | 2015-07-15 | 东莞市纳利光学材料有限公司 | A kind of brightness enhancement film with pyramid structure |
| CN105058826A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Optical film forming method and device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068162A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Diffusion and brightness-enhancement film having electromagnetic shielding function and preparation method thereof |
| CN106680915A (en) * | 2015-11-09 | 2017-05-17 | 宁波长阳科技股份有限公司 | Composite brightening film applied to backlight module and backlight module |
| CN107020784A (en) * | 2017-05-26 | 2017-08-08 | 云南电网有限责任公司电力科学研究院 | A kind of perspective film and glasses for improving X ray image resolution |
| CN107020784B (en) * | 2017-05-26 | 2019-11-05 | 云南电网有限责任公司电力科学研究院 | A kind of perspective film and glasses improving X ray image resolution |
| CN109856715A (en) * | 2019-04-03 | 2019-06-07 | 苏州宝瑞德纳米光学材料有限公司 | A kind of micro-prism structure and its application |
| TWI738458B (en) * | 2020-08-12 | 2021-09-01 | 達運精密工業股份有限公司 | Optical plate and display apparatus |
| US11953940B2 (en) | 2020-08-12 | 2024-04-09 | Darwin Precisions Corporation | Optical plate and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104614791B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104614791A (en) | Birghtness enhancement film with pyramid structure and manufacture method thereof | |
| CN104991295A (en) | Brightness enhancement film having blue light resistance effect and manufacturing method thereof | |
| CN107068862A (en) | Flexible display substrates and its manufacture method, flexible display apparatus, carrier substrate | |
| CN204479779U (en) | A kind of brightness enhancement film with pyramid structure | |
| CN105058826A (en) | Optical film forming method and device | |
| CN105116477B (en) | Optical element, light guide plate, prism, backlight module and display device | |
| CN101271170A (en) | Polarizing disc and manufacturing method thereof, LCD device | |
| CN110895375B (en) | Flexible bistable light modulator | |
| CN103185287A (en) | Prism sheet and backlight unit including same | |
| TWI459043B (en) | Optical film and backlight module using the same | |
| CN204936244U (en) | A kind of optical film shaping device | |
| CN204629365U (en) | There is circular light guide plate and the wrist-watch thereof in uniformly light-emitting face | |
| CN204719259U (en) | A kind of guiding device, backlight module and display device | |
| CN204945419U (en) | Optical element, light guide plate, prism, backlight module and display device | |
| CN202813209U (en) | Light distributing patch for backlight plate module and backlight module using light distributing patch | |
| CN206649179U (en) | A kind of non-circular refraction type backlight lens | |
| CN107831562A (en) | A kind of high resistance to scraping bright enhancement film and preparation method thereof | |
| CN207867068U (en) | The special light guide plate of TV liquid crystal modules of novel energy-conserving | |
| CN102997182B (en) | Optical sheet, backlight unit for liquid crystal display apparatus and method for manufacturing optical sheet | |
| CN206449421U (en) | LED flexible surface light sources | |
| CN206584060U (en) | Anti- glare prism diffuser plate | |
| CN204853349U (en) | Hi -lite is used for glass light guide plate of refrigerator shelf | |
| CN205301751U (en) | Brightness enhancement film with anti electromagnetic wave effect | |
| CN205301752U (en) | Anti electromagnetic wave brightness enhancement film | |
| CN104976586A (en) | LED lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230727 Address after: Room 1, Room 1408, 14th Floor, Building 1, Zhongliang Chuangxin R&D Center, Xingdong Community, Xin'an Street, Bao'an District, Shenzhen City, Guangdong Province, 518108 Patentee after: Shenzhen Nali Space Technology Co.,Ltd. Address before: 523000 6 HUAYU street, Changlong village, Huang Jiang Town, Dongguan, Guangdong Patentee before: NALI OPTICAL MATERIAL (DONGGUAN) Co.,Ltd. |
|
| TR01 | Transfer of patent right |