CN209606648U - Optical function plate - Google Patents
Optical function plate Download PDFInfo
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- CN209606648U CN209606648U CN201920276972.1U CN201920276972U CN209606648U CN 209606648 U CN209606648 U CN 209606648U CN 201920276972 U CN201920276972 U CN 201920276972U CN 209606648 U CN209606648 U CN 209606648U
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Abstract
The utility model discloses a kind of optical function plates, including body layer, laminating layer and enter photosphere, the body layer, the laminating layer and it is described enter photosphere be oppositely arranged and fit closely, the body layer be set to the laminating layer and it is described enter photosphere between, the laminating layer is equipped with the microstructure of several first preset shapes away from the one side of the body layer, it is described enter photosphere away from the one side of the body layer be equipped with the microstructure of several second preset shapes by by body layer, laminating layer is wholely set with photosphere fitting is entered as multilager base plate, simplify mould group production process, reduce material loss and production cost, improve production automation degree；Laminating layer and enter photosphere surface be arranged multiple preset shapes protrusion can release collocation liquid-crystalline glasses caused by interference problem, there are certain air layers, guarantee the brightening effect of optical film.
Description
Technical field
The utility model relates to backlight optical field more particularly to a kind of optical function plates.
Background technique
There are mainly three types of modes in the application of display field for LED light source technology at present: straight-down negative three primary colors RGB-LED light
Source, straight-down negative White LED light source and side entering type White LED light source.The backlight characteristic of LED determines the color saturation of LED television
Degree is very high, and Color Range is very broad.Either straight-down negative or side entering type enters light mode, and the profile of light source is all easy aobvious
Show and leads to the problem of brightness disproportionation, shadow and lines in equipment.The solution being usually taken is will using diffuser plate and diffusion barrier
Being uniformly distributed for light source is come, and the fine particle added in diffuser plate and diffusion barrier can make to lead to by its particle size and concentration
The light crossed generates refraction or diffusion phenomenon, to achieve the effect that light source homogenizes；While the optical film for various brightened types of arranging in pairs or groups
Material can be improved brightness, and increase by half luminance angle, so that the shadow of light source edge and bright line blurring, reach uniform optics
Picture effect and brightness requirement.
Diffuser plate is generally made using plastic particles by benchmark material via high temperature extrusion process, wherein the diffusant that adds or
Diffusion particle mainly influences optics light transmittance, mist degree and the brightness of finished product.Traditional backlight module processing technology is usually in straight-down negative
Diffuser plate in backlight can also arrange in pairs or groups optical film (diffusion barrier, brightness enhancement film) use, to promote picture brightness and optical homogeneity.
Currently, production capacity efficiency is low, operation fraction defective is high, needs dedusting cleaning and dust-free purification, cleaning shop power consumption and
Maintenance cost is high, and assembling procedure is more, and mould group power consumption is big.
Utility model content
The main purpose of the utility model is to improve backlight module machine to provide a kind of optical function plate for being bonded brightened type
Tool packaging efficiency reduces human input and product operation fraction defective, reduces production cost.
The utility model proposes a kind of optical function plate, including body layer, laminating layer and enter photosphere, the body layer,
The laminating layer and it is described enter photosphere be oppositely arranged and fit closely, the body layer be set to the laminating layer and it is described enter light
Layer between, the laminating layer away from the body layer one side be equipped with several first preset shapes microstructure, it is described enter light
Layer is equipped with the microstructure of several second preset shapes away from the one side of the body layer.
Further, first preset shape is prismatic, crescent and/or frosted type.
Further, second preset shape is prismatic, crescent and/or frosted type.
Further, it is described it is prismatic be set as triangular prism, the triangular prism is set to the fitting according to predetermined angle
Layer away from the body layer and/or it is described enter photosphere away from the body layer while, the predetermined angle is 30 °~
150 °, the apex angle of the triangular prism is set as 60 °~150 °；And the seamed edge of each triangular prism is mutually parallel.
Further, the height of the triangular prism is set as 0.05~0.20mm, and the width of the triangular prism is set as
0.12~0.5mm.
Further, the multiple triangular prism is alternately arranged by various sizes of triangular prism and is formed.
Further, the thickness of the body layer is set as 0.6~2.5mm, it is described enter photosphere and laminating layer thickness set
It is set to 0.08~0.6mm.
Further, the body layer, the laminating layer and it is described enter photosphere it is multi-layer co-extruded by high temperature by specified mixing
Hot pressing is integrally formed out, the laminating layer away from the body layer with it is described enter photosphere away from the body layer while
The roller for being carved with designated shape by surface is hot-forming.
The utility model proposes optical function plate, by by body layer, laminating layer and enter photosphere fitting be wholely set for
Multilager base plate simplifies mould group production process, reduces material loss and production cost, improve production automation degree；In
Laminating layer and enter photosphere surface be arranged multiple preset shapes protrusion can release collocation liquid-crystalline glasses caused by interference problem,
There are certain air layers, guarantee the brightening effect of optical film.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention optical function plate；
Fig. 2 is the structural schematic diagram of another embodiment optical function plate of the utility model；
Fig. 3 is the structural schematic diagram of another embodiment optical function plate of the utility model；
Fig. 4 is the top view of an embodiment of the present invention optical function plate；
Fig. 5 is the structural schematic diagram of another embodiment optical function plate of the utility model.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under all other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, directly to be connected
It connects, is also possible to be indirectly connected with.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
As shown in Figs. 1-5, a kind of optical function plate of one preferred embodiment of the utility model, including body layer 1, patch are proposed
It closes layer 2 and enters photosphere 3, body layer 1, laminating layer 2 and enter photosphere 3 and be oppositely arranged and fit closely, body layer 1 is set to laminating layer
2 and enter between photosphere 3, laminating layer 2 is equipped with the microstructure of several first preset shapes away from the one side of body layer 1, enters photosphere 3
The microstructure of several second preset shapes is equipped with away from the one side of body layer 1.
In the present embodiment, optical function plate includes three-decker: body layer 1, laminating layer 2 and entering photosphere 3.Body layer 1
Thickness is set as 1.34mm, and laminating layer 2 and the thickness for entering photosphere 3 are disposed as 0.08mm, body layer 1, laminating layer 2 and enters photosphere
3 overall thickness is 1.5mm.Body layer 1 fits closely setting while with laminating layer 2, the another side of body layer 1 and enters light
Layer 3 fits closely setting on one side, laminating layer 2 away from body layer 1 and enter photosphere 3 away from body layer 1 while it is equal
Be provided with the protrusion of multiple preset shapes, the preset shape protrusion in the present embodiment be can be prismatic 6, crescent 8 and/or
Frosted shape by body layer 1, laminating layer 2 and enters photosphere 3 and is integrally formed, and suppresses designated shape on its molding two sides
Multiple protrusions simplify mould group production process, reduce material loss and production cost, improve production automation degree；In
Laminating layer 2 and enter 3 surface of photosphere be arranged multiple preset shapes protrusion can release collocation liquid-crystalline glasses caused by interference ask
Topic, there are certain air layers, guarantee the brightening effect of optical film 9.
In the present embodiment, prismatic 6 it is set as triangular prism, triangular prism, which is set to laminating layer 2 according to predetermined angle, to deviate from
Body layer 1 and/or enter photosphere 3 away from body layer 1 while, predetermined angle be 30 °~150 °.The apex angle of triangular prism is set
It is set to 60 °~150 °；And the seamed edge of each triangular prism is mutually parallel.The height of triangular prism is set as 0.05~0.20mm, and three
The width of prism is set as 0.12~0.5mm.The upper surface of laminating layer 2 is provided with crescent 8 or prismatic 6 micro-structure, crescent moon
Shape 8 or prismatic 6 micro-structure striped are parallel to each other, and can be in any angle with horizontal direction, structure may be present drop between peak, be in
It is regular arranged evenly.The multilager base plate with specific structure can be prepared by the multi-layer co-extruded hot press forming technology of high temperature, it is more
Thickness, formula composition and the surface micro-structure of laminar substrate can be adjusted flexibly, and it is multiple can not only to meet common multilayer in backlight module
Except concealing and brightness of plywood etc. require, is conducive to the optical properties such as interference releasing and luminance raising after meeting fitting and wants
It asks, such preparation process simplifies mould group production process, reduces material loss and production cost.
In other embodiments, laminating layer 2 away from body layer 1 and enter photosphere 3 away from body layer 1 while can be by
Various sizes of triangular prism is alternately arranged composition.The apex angle of prism structure is 60 °~150 °；Prism structure prism striped is mutually flat
Row, can be in any angle with horizontal direction, and the angle being often used is 30 °~150 °；Prism structure streak height be 0.05~
0.20mm, lines width are 0.12~0.5mm, and drop may be present between peak in prismatic 6 structure, can be by one or more specification ribs
Mirror is alternately arranged, and is in regular distribution.
In the present embodiment, body layer 1, laminating layer 2 and enter photosphere 3 by specified mixing by the multi-layer co-extruded hot pressing of high temperature
Be integrally formed, laminating layer 2 away from body layer 1 with enter photosphere 3 away from body layer 1 while designated shape is carved with by surface
Roller it is hot-forming.Make body layer 1, patch by the charging system of extruder, plasticizing system, heating system, cooling system etc.
Close layer 2 and enter that photosphere 3 uses respectively through mixed uniformly specified mixing simultaneously after feeding port charging, melt and mould in screw rod
Change, machine head port mould MULTILAYER COMPOSITE such as squeezes out, be formed, cool down, draw, cutting at the processes；Especially shaping process is carved with micro- with surface
The upper and lower surfaces of multilager base plate are hot pressed into the micro-structure of designated shape by the roller of structure.
In the present embodiment, body layer 1, laminating layer 2 and to enter photosphere 3 be mainly that the higher plastic cement material of light transmittance is constituted,
As PS (polystyrene), PMMA (polymethyl methacrylate), PC (polycarbonate), PET (polyethylene terephthalate),
One or more of associated polymeric materials such as MS (copolymer of methyl methacrylatestyrene).The total thickness of multilager base plate
Degree is 0.8~3.0mm, wherein enter light substrate layer 5 and be bonded substrate layer 4 with a thickness of 0.08~0.6mm, intermediate host layer 1
With a thickness of 0.6~2.5mm.
In the present embodiment, specifying mixing score meter by weight includes following components: plastic particles, and 90~98%；It is ultraviolet
Light absorbers, 0.1~1.0%；Light stabilizer, 0.1~1.0%；Antioxidant, 0.1~2.0%；Toughener, 1~5%；It is anti-
Electrostatic agent, 0.2-0.8%；Surplus is light diffusing agent.The mixing that body layer 1 is specified in the present embodiment is the first mixing, specifies patch
The mixing for closing layer 2 is the second mixing, and specifying the mixing into photosphere 3 is third mixing.
First mixing of body layer 1 is grouped as by the group of the following meter of score by weight: 90~96% plastic particles, 0.25~
1.0% light diffusing agent, 0.1~1.0% ultraviolet absorbing agent, 0.1~1.0% light stabilizer, 0.1~2.0% antioxidant, 1
~5% toughener, 0.2-0.8% antistatic agent；
Second mixing of laminating layer 2 is grouped as by the group of the following meter of score by weight: 90~98% plastic particles, 0.1~
1.0% ultraviolet absorbing agent, 0.1~1.0% light stabilizer, 0.1~2.0% antioxidant, 1~5% toughener, 0.2-
0.8% antistatic agent.
The third mixing for entering photosphere 3 is grouped as by the group of the following meter of score by weight: 90~98% plastic particles, 0.1~
1.0% ultraviolet absorbing agent, 0.1~1.0% light stabilizer, 0.1~2.0% antioxidant, 1~5% toughener, 0.2-
0.8% antistatic agent.Depending on light diffusing agent content is required according to plate transmitance, light diffusing agent be may also be at into photosphere 3, fitting
Layer 2 or multilayer are shared, and ratio is adjusted.
In the present embodiment, 2 surface of laminating layer for being provided with prismatic 6 structure can be with diffusion barrier, prism-type brightness enhancement film, anti-
The optical films 9 such as emitting brightness enhancement film and micro- type brightness enhancement film are bonded.The optical film 9 joint face warp compound with multilager base plate
Ultraviolet cured adhesive (UV glue) is coated with and with after multilager base plate pressing, shoots away all solidstate, then cut process through UV illumination, can make
It is standby to obtain fitting brightened type optical function plate.The function mode of plate and film integrated design and mould group Automated assembly, Ke Yiji
The earth promotes packaging efficiency, and such product reduces the equipment investment and process loss of the independent material of working process respectively,
Production automation degree is improved, directly reduces the cost input of backlight industry, and have pole to backlight module assembling processing procedure
Big improvement.The multilager base plate with specific structure, multilager base plate can be prepared by the multi-layer co-extruded hot press forming technology of high temperature
Thickness, formula composition and surface micro-structure can be adjusted flexibly, common multilayer composite sheet in backlight module can not only be met
Except concealing and brightness etc. require, and it can be bonded for 9 with UV glue with various optical films, prepare a variety of fittings
Brightened type optical function plate is conducive to interfere the optical performance requirements such as releasing and luminance raising, such preparation after meeting fitting
Technique simplifies mould group production process, reduces material loss and production cost.
It is coextruded the multilager base plate that hot-forming preparation surface is provided with crescent 8 or prismatic 6 micro-structure by high temperature,
The requirement such as concealing and brightness of common multilayer composite sheet in backlight module can not only be met, and UV glue application can be passed through
Multilager base plate is bonded for 9 by cured technique with various optical films, to prepare a variety of fitting brightened type optical function plates.In this way
Preparation process simplify mould group production process, reduce material loss and production cost, improve production automation degree；It is more
Thickness, formula composition and the surface micro-structure of laminar substrate structure can be adjusted flexibly, and can reach a variety of transmitances and brightness requirement；Rib
It, can after plate is bonded 9 material of optical film when 6 constituent prisms striped of cylindricality and horizontal direction are in non-horizontal and non-perpendicular angle relationship
To release interference problem caused by collocation liquid-crystalline glasses；Surface texture processing is that one or more specification prisms are alternately arranged
Mode, can making diffuser plate, there are certain air layers when being bonded each optical film 9, guarantee the brightening effect of optical film 9.
The specific steps of the processing method of optical function plate in the present embodiment are as follows:
1) it is granulated: by main body substrate layer, fitting substrate layer 4 and entering (including the plastic cement of partial material used in light substrate layer 5
Particle and pulvis etc.) it is mixed respectively in respective ratio with batch mixer；It heats up and preheats to pelletizer by technological parameter, and wanted by technique
It asks and finishes changing sieve and cutter blade；Booting, toward the blanking of pelletizer hopper, extrusion, pelletizing, dehydration；Cutter speed regulation is adjusted, particle is made
It is in the same size uniform, master batch needed for extrusion process is made；
2) it stocks up: after gained main body substrate layer being granulated, be bonded substrate layer 4 and entering the master batch drying of light substrate layer 5, by one
Fixed proportion carries out mixing with plastic particles and additive, spare after mixing evenly；
3) match mould and equipment inspection: choosing corresponding mold by three layers of extrusion process, load onto cross-head, and check extrusion
Equipment and each rotary part fine status；
4) it heats up: temperature control table being transferred to operating temperature, die for machine barrel is heated, after temperature reaches setting value, constant temperature
20-30 minutes；
5) material extrusion: it is main body substrate layer that three kinds of extruder hoppers are corresponding, is bonded substrate layer 4 and enters light substrate layer 5,
The first mixing, the second mixing and third mixing after mixing evenly is thrown to the feeding port of corresponding substrate layer respectively；Replace each machine
Filter net sheet (200 mesh, 300 mesh), successively point opens metering pump, rotates screw motor, set metering pump pressure, feed rate and
The parameters such as engine speed make plastic material pass through machine barrel and are plasticized, and extruder carries out material extrusion, cleans die lip；Adjust metering pump, master
Linear velocity, pressure and other parameters start to squeeze out；
6) it compound and pressing plate: in three extruders after respective material melts, squeezes out to compound in mold, and pass through mold
Discharge port squeezes out multilager base plate；With surface be carved with the roller of micro-structure the upper and lower surfaces of multilager base plate are hot pressed into it is specific
Micro-structure；
7) it dedusting, cooling and traction: according to production requirement, cuts and mixes up plate wide cut and thickness, and between adjusting roller
Windrow；It will be dusted after multilager base plate trimming processing, multilager base plate be gradually delivered to by transmission device by producing line back segment,
Gradually cooling and shaping in traction；
8) it is bonded: being bonded for multilager base plate and optical film 9 is realized by linkage.By UV glue application with it is above-mentioned more
The surface of the optical film 9 of laminar substrate connection, it is necessary to which Shi Xianyong low energy UV illumination, which injects row precuring, keeps UV glue tentatively fixed
Type；The optical film 9 and above-mentioned multilager base plate for being coated with UV glue are pressed；Multilager base plate and optical film 9 are used after pressing
High-energy UV illumination injects row and fitting is fully cured；
9) it cuts and packs: the composite material for being bonded multilager base plate and optical film 9 by the transmission device of traction unit
It is gradually delivered to producing line back segment and cuts unit, be cut into required size, and grab accumulation with mechanical arm and stack, immediately clearly
Clean, packing, storage.
In the present embodiment, optical function plate as shown in Figure 1 includes three-decker: body layer 1, laminating layer 2 and entering light
Layer 3.1 thickness 1.34mm of body layer, laminating layer 2 and to enter photosphere 3 be respectively 0.08mm, overall thickness 1.5mm.First mixing is
The raw material of body layer 1, the second mixing are the raw material of laminating layer 2, and third mixing is the raw material into photosphere 3, specifically, the first mixing
Be grouped as by the group of the following meter of score by weight: 96.7%PS, 0.2% ultraviolet absorbing agent, 0.2% light stabilizer, 0.4% is anti-
Oxidant, 2.5% toughener；Second mixing is grouped as by the group of the following meter of score by weight: 99.2%PS, 0.2% ultraviolet light
Absorbent, 0.2% light stabilizer, 0.4% antioxidant；Third mixing is grouped as by the group of the following meter of score by weight:
88.4%PS, 10.8% type siloxane light diffusing agent, 0.2% ultraviolet absorbing agent, 0.2% light stabilizer, 0.4% is anti-oxidant
Agent.
Eight heating zones of every extruder point, the first 170-195 DEG C of temperature of area discharging area, the second area preheating zone temperature 195-
205 DEG C, 205-215 DEG C of third area heating zone, fourth, fifth 215-220 DEG C of temperature of the area Rong Jiao, area, the six, the seven area's plasticizing zone temperature
220-230 DEG C, Section Eight mixes 220-235 DEG C of temperature of glue plasticizing zone；Every extruder has vacuumizing and exhausting device, vacuum degree control
System is in -0.08~-0.1Mpa；210~220 DEG C of mold temperature；Roll temperature is appropriate, oblique 45 ° of prismatic 6 structure roll temperatures 100
~110 DEG C, 195~105 DEG C of frosted concave/convex-shaped structure roll temperature avoids occurring phenomena such as fold, pit, speck, wire drawing on plate；
3.5 ± 0.5Mpa of pressure before pumping；Under the premise of length and width is constant, when normally adjusting the speed 350mm/min, thickness change 0.1mm.
It squeezes out compound to carrying out in mold after material melts, and multilager base plate is squeezed out by mould discharging mouth；Immediately more
During laminate material covers roller, traction, the upper roller and surface of oblique 45 ° prismatic 6 structure engraving processing have been carried out with surface
The upper and lower surfaces of above-mentioned multilager base plate are hot pressed into diagram by the lower roller for having carried out the engraving processing of frosted concave/convex-shaped structure
The upper surface pressing of specified micro-structure, i.e. fitting substrate layer 4 is prismatic 6 micro-structure, enters the lower surface pressing of light substrate layer 5
For 7 micro-structure of frosted type (7).As shown in figure 4, can be seen that from top view, prismatic 6 micro-structure striped be parallel to each other and with level
Direction is in 45° angle degree.After the multi-layered board of structure needed for obtaining, multilager base plate trimming is handled, is dusted, cools down, and lead to
It crosses transmission device and is transferred to and cut unit, with above-mentioned optical function substrate is cut into designated shape and size, utilize
Mechanical arm folds the optical function sheetpile cut.
In another embodiment, optical function plate as shown in Figure 2, including three-decker: body layer 1, laminating layer 2 and enter
Photosphere 3.1 thickness 1.30mm of body layer, laminating layer 2 are 0.08mm, and entering photosphere 3 is 0.12mm, overall thickness 1.5mm.First is mixed
The raw material of layer 1 based on material, the second mixing are the raw material of laminating layer 2, and third mixing is the raw material into photosphere 3, specifically, first
Mixing is grouped as by the group of the following meter of score by weight: 96.7%PS, 0.2% ultraviolet absorbing agent, 0.2% light stabilizer,
0.4% antioxidant, 2.5% toughener；Second mixing is grouped as by the group of the following meter of score by weight: 19.8%PS,
79.4%MS, 0.2% ultraviolet absorbing agent, 0.2% light stabilizer, 0.4% antioxidant；Third mixing is by following parts by weights
The group of number meter is grouped as: 17.7%PS, 70.7%MS, 10.8% type siloxane light diffusing agent, 0.2% ultraviolet absorbing agent,
0.2% light stabilizer, 0.4% antioxidant.
The processing method of the optical function plate of the present embodiment is similar to Example 1, in the mistake of pressing plate surface micro-structure
There is difference to a certain extent in journey.The upper roller of 8 structure of crescent engraving processing has been carried out in the present embodiment using surface
And surface has carried out upper and lower surfaces heat of the lower roller by above-mentioned multilager base plate of frosted concave/convex-shaped structure engraving processing
It is pressed into the specified micro-structure of diagram, i.e. the upper surface pressing of fitting substrate layer 4 is 8 micro-structure of crescent, is entered under light substrate layer 5
Surface pressing is 7 micro-structure of frosted type.
As shown in figure 5, the lower surface for entering light substrate layer 5 is provided with 7 bulge-structure of frosted type and is bonded the upper table of substrate layer 4
Face is provided with the multilager base plate of 8 structure of crescent, can arrange in pairs or groups with optical film 9 and is further bonded, integration system is for brightened type
Optical function plate, the optical film 9 selected in the present embodiment are the complex light that two prism-type brightness enhancement films mutually in 90 ° are bonded to each other
It learns film 9 (POP).By UV glue application in the joint face of optical film 9, it is coated with the optical film 9 and above-mentioned multilayer base of UV glue
Plate is pressed, and is injected row with light emitting diode UV illumination after optical film 9 and multilager base plate fitting and is fully cured, then is cut into finger
Scale cun.
In another embodiment, optical function plate as shown in Figure 3, including three-decker: body layer 1, laminating layer 2 and enter light
Layer 3.1 thickness 1.00mm of body layer, laminating layer 2 are 0.08mm, and entering photosphere 3 is 0.12mm, overall thickness 1.2mm.First mixing
Based on layer 1 raw material, the second mixing is the raw material of laminating layer 2, and third mixing is the raw material into photosphere 3, and specifically, first is mixed
Material is grouped as by the group of the following meter of score by weight: 94.9%PS, 1.8% type siloxane light diffusing agent, 0.2% ultraviolet radiation absorption
Agent, 0.2% light stabilizer, 0.4% antioxidant, 2.5% toughener；Second mixing is grouped by the group of the following meter of score by weight
At: 19.8%PS, 79.4%MS, 0.2% ultraviolet absorbing agent, 0.2% light stabilizer, 0.4% antioxidant；Third mixing by
The group of score meter by weight is grouped as below: 19.8%PS, 79.4%MS, 0.2% ultraviolet absorbing agent, 0.2% light stabilizer,
0.4% antioxidant.
The processing method of the optical function plate of the present embodiment is similar to Example 1, in the mistake of pressing plate surface micro-structure
There is difference to a certain extent in journey.The upper roller and lower roller surface used in the present embodiment has carried out prismatic 6 knot
The upper and lower surfaces of above-mentioned multilager base plate are hot pressed into specified prismatic 6 micro-structure of diagram, that is, are bonded by the processing of structure engraving
The upper surface of substrate layer 4 and the lower surface for entering light substrate layer 5 press as prismatic 6 micro-structure.It is bonded the rib on 4 surface of substrate layer
Rod structure striped and horizontal direction are in 45° angle degree relationship, and the prism structure striped and horizontal direction for entering 5 surface of light substrate layer are in vertical
Squareness relationship, at this time on specific backlight module, diffuser plate brightness of the brightness compared to ordinary construction of feature board can
5~10% are promoted, this point has benefited from prismatic 6 structure of focusing light effect and upper surface of prismatic 6 structure in plate lower surface
Angle adjustment to light has the function that correct opticpath, front light out.
The utility model has the following beneficial effects: being coextruded hot-forming preparation surface by high temperature is provided with crescent
The optical function plate of 8 or prismatic 6 micro-structures can not only meet in backlight module the concealing of common multilayer composite sheet and bright
Degree etc. requires, and can be bonded multilager base plate for 9 with various optical films by the cured technique of UV glue application, to prepare
A variety of fitting brightened type optical function plates.Such preparation process simplifies mould group production process, reduces material loss and life
Cost is produced, production automation degree is improved；Thickness, formula composition and the surface micro-structure of multi-layer substrate structure can be adjusted flexibly
It is whole, it can reach a variety of transmitances and brightness requirement；Prism structure prism striped and horizontal direction are in non-horizontal and non-perpendicular angle
When relationship, after plate is bonded 9 material of optical film, interference problem caused by collocation liquid-crystalline glasses can be released；Surface texture processing
For one or more alternately arranged modes of specification prism, can making diffuser plate, there are certain air when being bonded each optical film 9
Layer guarantees the brightening effect of optical film 9.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of optical function plate, which is characterized in that including body layer, laminating layer and enter photosphere, the body layer, the fitting
Layer and it is described enter photosphere be oppositely arranged and fit closely, the body layer be set to the laminating layer and it is described enter photosphere between,
The laminating layer away from the body layer one side be equipped with several first preset shapes microstructure, it is described enter photosphere deviate from institute
The one side for stating body layer is equipped with the microstructure of several second preset shapes.
2. optical function plate according to claim 1, which is characterized in that first preset shape is prismatic, crescent moon
Shape and/or frosted type.
3. optical function plate according to claim 1, which is characterized in that second preset shape is prismatic, crescent moon
Shape and/or frosted type.
4. optical function plate according to claim 2 or 3, which is characterized in that it is described it is prismatic be set as triangular prism, it is described
Triangular prism according to predetermined angle be set to the laminating layer away from the body layer one side and it is described enter photosphere away from the master
The one side of body layer, the predetermined angle are 30 °~150 °, and the apex angle of the triangular prism is set as 60 °~150 °；And it is several described
The seamed edge of triangular prism is mutually parallel.
5. optical function plate according to claim 4, which is characterized in that the height of the triangular prism is set as 0.05~
The width of 0.20mm, the triangular prism are set as 0.12~0.5mm.
6. optical function plate according to claim 5, which is characterized in that the multiple triangular prism is by various sizes of trigone
Column is alternately arranged composition.
7. optical function plate according to claim 1, which is characterized in that the thickness of the body layer is set as 0.6~
2.5mm, it is described enter photosphere and laminating layer thickness be set as 0.08~0.6mm.
8. optical function plate according to claim 1, which is characterized in that the body layer, the laminating layer and it is described enter
Photosphere is integrally formed by specified mixing by the multi-layer co-extruded hot pressing of high temperature, the laminating layer away from the body layer one side with
It is described enter photosphere it is hot-forming away from the one side roller that is carved with designated shape by surface of the body layer.
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| CN201920276972.1U CN209606648U (en) | 2019-03-05 | 2019-03-05 | Optical function plate |
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| CN201920276972.1U CN209606648U (en) | 2019-03-05 | 2019-03-05 | Optical function plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213881A (en) * | 2020-10-13 | 2021-01-12 | 南通创亿达新材料股份有限公司 | Quantum dot luminescent plate and display device |
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2019
- 2019-03-05 CN CN201920276972.1U patent/CN209606648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213881A (en) * | 2020-10-13 | 2021-01-12 | 南通创亿达新材料股份有限公司 | Quantum dot luminescent plate and display device |
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Effective date of registration: 20240110 Address after: No. 158, Huanghe Road, Rudong Economic Development Zone, Nantong City, Jiangsu Province, 226400 Patentee after: NANTONG CHUANGYIDA NEW MATERIAL CO.,LTD. Address before: 516000, 1st to 2nd floors, Building B, Building 113, Xikeng Industrial Zone, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee before: HUIZHOU CHUANGYIDA NEW MATERIAL CO.,LTD. |