CN103910945B - It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp - Google Patents
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp Download PDFInfo
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- CN103910945B CN103910945B CN201410124101.XA CN201410124101A CN103910945B CN 103910945 B CN103910945 B CN 103910945B CN 201410124101 A CN201410124101 A CN 201410124101A CN 103910945 B CN103910945 B CN 103910945B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The invention discloses a kind of diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp, it includes this material step, makes optics master batch step, extrusion molding step, elimination stress step and cutting step, the present invention changes the optical property of diffuser plate by this technique from diffuser plate inside, the chemical polymerization thing inside it with different refractivity is allowed to be uniformly dispersed, rather than be changed from surface, present invention process is simple, easy to implement, production cost is low, and the diffuser plate produced has fabulous optical property.
Description
Technical field
The present invention relates to the technical field of producing of diffuser plate, especially relate to be used in straight-down negative display screen
The diffuser plate production technology of backlight and LED flat lamp.
Background technology
In prior art, be used in the diffuser plate in display backlight source be half transparent with machine glass board material,
Light source generally uses LED light bar, and the diffuser plate being used in straight-down negative display backlight source and LED flat lamp needs
There is good optical property, including to the dispersive property of light, reflect performance and wear transmission performance, existing
Technology is to go out sags and crests or concave point striped on a surface of diffuser plate or two Surface Machining, and it is used for improving diffusion
The plate dispersive property to light, the light making LED light bar point source of light launch launched by diffuser plate after energy
Enough homogenization, this technology improves the diffuser plate dispersive property to light by changing the configuration of surface of diffuser plate,
Although it has certain peptizaiton, but, it can form the optics of a kind of atomization on the surface of diffuser plate
Effect, considerably reduces refraction performance and the light transmission of diffuser plate, and this is necessary to be improved.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of use improving production technology
In straight-down negative display backlight source and the diffuser plate of LED flat lamp, its technique is simple, it is easy to implement, and produces
Low cost, and the diffuser plate produced has fabulous optical property.
To achieve these goals, the technical solution adopted in the present invention is:
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, select one or more the compound in PE, PS and PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: choose from 100 parts of these material
40～60 parts of these material out, surplus addition comprises two or more light refractive indexes and is different from the optics of this material
The light transmission of refractive index moulds a granule, the component of optics master batch is mixed into gross weight than the master batch being 100 parts
Raw material, makes optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch tool made
There is several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing, pass through
Extrusion shaping machine molds diffuser plate sheet material；
Eliminate stress steps, equipment firing equipment after extrusion equipment, diffuser plate sheet material is heated, disappears
Stress except diffuser plate sheet material；
Cutting step, cuts into the diffuser plate of economical size by diffuser plate sheet material；
Finished product.
Further in technical scheme, described making optics master batch step, the light transmission making optics master batch is moulded
Grain granule includes PS, PMMA, PP, MS, PS microsphere, PMMA microsphere, PP microsphere, organosilicon
Two or more mixture any in microsphere and MS microsphere；
Described making optics master batch step, dual-screw pelletizer divides into charging interval, melting by granulation process
Interval interval, mixing, discharging interval, the temperature in each interval of dual-screw pelletizer is 170 degree to 270 degree,
Pressure is 1Mpa to 4.5Mpa, and the master batch made has different coefficient of refraction, allows its different refractivity
Chemical polymerization thing is uniformly dispersed, and makes LED point light source have many refractive indexs to launch uniformly by this diffuser plate
Area source；Described extrusion molding step, extrusion shaping machine divides into charging interval, melting district by forming process
Between, mixing interval, discharging interval, the temperature in each interval of extrusion shaping machine is 170 degree to 270 degree, pressure
For 1Mpa to 4.5Mpa.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
40～60 parts of these material of PS taken out, add 10～30 parts of PP, and surplus adds PMMA or PMMA
Microsphere, is mixed into gross weight than the master batch raw material being 100 parts, by double spiral shells after being mixed by master batch raw material
Optics master batch made by bar comminutor, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
60 parts of these material of PS taken out, add 20 parts of PP, add 20 parts of PMMA or PMMA microsphere, will
Three is mixed into gross weight than the master batch raw material being 100 parts, by twin screw pelletize after being mixed by master batch raw material
Optics master batch made by machine, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
40～60 parts of these material of PS taken out, add 10～40 parts of organosilicon microspheres, surplus add PMMA or
PMMA microsphere, is mixed into gross weight than the master batch raw material being 100 parts, logical after being mixed by master batch raw material
Crossing dual-screw pelletizer and make optics master batch, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Prepare this material step, by weight selecting 100 parts of PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PP
40～60 parts of these material of PP taken out, add 10～30 parts of PS, and surplus adds PS microsphere or MS microsphere,
It is mixed into gross weight than the master batch raw material being 100 parts, by twin screw pelletize after being mixed by master batch raw material
Optics master batch made by machine, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Prepare this material step, by weight selecting 100 parts of PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PP
60 parts of these material of PP taken out, add 20 parts of PS, add 20 parts of PS microspheres or MS microsphere, by three
Person is mixed into gross weight than the master batch raw material being 100 parts, passes through dual-screw pelletizer after being mixed by master batch raw material
Making optics master batch, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Prepare this material step, by weight selecting 100 parts of PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PP
60 parts of these material of PP taken out, add 40 parts of PS, both are mixed into gross weight than the mother being 100 parts
Grain raw material, makes optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made
There is several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Prepare this material step, by weight selecting 100 parts of PE as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PE
40～60 parts of these material of PE taken out, add 10～30 parts of PS, and surplus adds PS microsphere or MS microsphere,
It is mixed into gross weight than the master batch raw material being 100 parts, by twin screw pelletize after being mixed by master batch raw material
Optics master batch made by machine, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
In another concrete technical scheme of the present invention, prepare this material step, by weight selecting 100 parts of PS
As this material；
Prepare this material step, by weight selecting 100 parts of PE as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PE
60 parts of these material of PE taken out, add 20 parts of PS, add 20 parts of PS microspheres or MS microsphere, by three
Person is mixed into gross weight than the master batch raw material being 100 parts, passes through dual-screw pelletizer after being mixed by master batch raw material
Making optics master batch, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Use after said structure, the present invention the most advantageously: the present invention is to making
Production technology for straight-down negative display backlight source and the diffuser plate of LED flat lamp improves, by this
Technique from the internal optical property changing diffuser plate of diffuser plate, allows the chemistry inside it with different refractivity gather
Compound is uniformly dispersed, rather than is changed from surface, and present invention process is simple, it is easy to implement, production cost
Low, and the diffuser plate produced has fabulous optical property.
Detailed description of the invention
The following stated is only presently preferred embodiments of the present invention, the most therefore limits protection scope of the present invention.
Embodiment one
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, select one or more the compound in PE, PS and PP as this material.
Making optics master batch step, the component of optics master batch includes by weight: choose from 100 parts of these material
40～60 parts of these material out, surplus addition comprises two or more light refractive indexes and is different from the optics of this material
The light transmission of refractive index moulds a granule, the component of optics master batch is mixed into gross weight than the master batch being 100 parts
Raw material, makes optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch tool made
There is several different coefficient of refraction；Wherein, make the light transmission of optics master batch mould a granule include PS,
In PMMA, PP, MS, PS microsphere, PMMA microsphere, PP microsphere, organosilicon microsphere and MS microsphere
Two or more mixture any.
Dual-screw pelletizer divides into charging interval, melting interval interval, mixing, discharge zone by granulation process
Between, the temperature in each interval of dual-screw pelletizer is 170 degree to 270 degree, and pressure is 1Mpa to 4.5Mpa,
The master batch made has different coefficient of refraction, allows the chemical polymerization thing of its different refractivity be uniformly dispersed, and
LED point light source is made to have many refractive indexs to launch uniform area source by this diffuser plate.
Extrusion molding step, chooses 100 parts of these material by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing, pass through
Extrusion shaping machine molds diffuser plate sheet material；Extrusion shaping machine divides into charging interval, melting by forming process
Interval interval, mixing, discharging interval, the temperature in each interval of extrusion shaping machine is 170 degree to 270 degree, pressure
Power is 1Mpa to 4.5Mpa.
Eliminate stress steps, equipment firing equipment after extrusion equipment, diffuser plate sheet material is heated, disappears
Stress except diffuser plate sheet material.
Cutting step, cuts into the diffuser plate of economical size by diffuser plate sheet material.
Finished product.
Embodiment two
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
40～60 parts of these material of PS taken out, add 10～30 parts of PP, and surplus adds PMMA or PMMA
Microsphere, is mixed into gross weight than the master batch raw material being 100 parts, by double spiral shells after being mixed by master batch raw material
Optics master batch made by bar comminutor, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment three
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
60 parts of these material of PS taken out, add 20 parts of PP, add 20 parts of PMMA or PMMA microsphere, will
Three is mixed into gross weight than the master batch raw material being 100 parts, by twin screw pelletize after being mixed by master batch raw material
Optics master batch made by machine, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment four
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
40～60 parts of these material of PS taken out, add 10～40 parts of organosilicon microspheres, surplus add PMMA or
PMMA microsphere, is mixed into gross weight than the master batch raw material being 100 parts, logical after being mixed by master batch raw material
Crossing dual-screw pelletizer and make optics master batch, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment five
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
60 parts of these material of PS taken out, add 20 parts of organosilicon microspheres, add 20 parts of PMMA or PMMA
Microsphere, is mixed into gross weight than the master batch raw material being 100 parts by three, by double after being mixed by master batch raw material
Screw pelletizer makes optics master batch, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment six
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
40～60 parts of these material of PS taken out, surplus adds organosilicon microsphere, and both are mixed into gross weight ratio is
The master batch raw material of 100 parts, makes optics master batch by dual-screw pelletizer after being mixed by master batch raw material, makes
Optics master batch has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment seven
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PS as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PS
60 parts of these material of PS taken out, add 40 parts of organosilicon microspheres, and being mixed into gross weight ratio is 100 parts
Master batch raw material, by master batch raw material mix after make optics master batch by dual-screw pelletizer, the optics made
Master batch has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment eight
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PP
40～60 parts of these material of PP taken out, add 10～30 parts of PS, and surplus adds PS microsphere or MS microsphere,
It is mixed into gross weight than the master batch raw material being 100 parts, by twin screw pelletize after being mixed by master batch raw material
Optics master batch made by machine, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment nine
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PP
60 parts of these material of PP taken out, add 20 parts of PS, add 20 parts of PS microspheres or MS microsphere, by three
Person is mixed into gross weight than the master batch raw material being 100 parts, passes through dual-screw pelletizer after being mixed by master batch raw material
Making optics master batch, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment ten
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PP as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PP
60 parts of these material of PP taken out, add 40 parts of PS, both are mixed into gross weight than the mother being 100 parts
Grain raw material, makes optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made
There is several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment 11
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PE as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PE
40～60 parts of these material of PE taken out, add 10～30 parts of PS, and surplus adds PS microsphere or MS microsphere,
It is mixed into gross weight than the master batch raw material being 100 parts, by twin screw pelletize after being mixed by master batch raw material
Optics master batch made by machine, and the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Embodiment 12
It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, including following step
Rapid:
Prepare this material step, by weight selecting 100 parts of PE as this material；
Making optics master batch step, the component of optics master batch includes by weight: select from 100 parts of these material of PE
60 parts of these material of PE taken out, add 20 parts of PS, add 20 parts of PS microspheres or MS microsphere, by three
Person is mixed into gross weight than the master batch raw material being 100 parts, passes through dual-screw pelletizer after being mixed by master batch raw material
Making optics master batch, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, adds
Put in extrusion shaping machine after entering 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing,
Diffuser plate sheet material is molded by extrusion shaping machine.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to this
The thought of invention, the most all will change, and this specification content is not
It is interpreted as limitation of the present invention.
Claims (10)
1. it is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp, it is characterised in that comprise the following steps:
Prepare this material step, select one or more the compound in PE, PS and PP as this material；
Make optics master batch step; the component of optics master batch includes by weight: 40～60 parts of these material choosing out from 100 parts of these material; surplus adds the light transmission comprising the light refractive index that two or more light refractive indexes is different from this material and moulds a granule; the component of optics master batch is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing；
Eliminate stress steps, equipment firing equipment after extrusion equipment, diffuser plate sheet material is heated, eliminate the stress of diffuser plate sheet material；
Cutting step, cuts into the diffuser plate of economical size by diffuser plate sheet material；
Finished product.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterized in that: described making optics master batch step, make the light transmission of optics master batch and mould two or more mixture any that a granule includes in PS, PMMA, PP, MS, PS microsphere, PMMA microsphere, PP microsphere, organosilicon microsphere and MS microsphere；
Described making optics master batch step; dual-screw pelletizer divides into charging interval, melting interval interval, mixing, discharging interval by granulation process; the temperature in each interval of dual-screw pelletizer is 170 degree to 270 degree; pressure is 1Mpa to 4.5Mpa; the master batch made has different coefficient of refraction; the chemical polymerization thing allowing its different refractivity is uniformly dispersed, and makes LED point light source have many refractive indexs to launch uniform area source by this diffuser plate；
Described extrusion molding step, extrusion shaping machine by forming process divide into charging interval, melting interval interval, mixing, discharging interval, the temperature in each interval of extrusion shaping machine is 170 degree to 270 degree, and pressure is 1Mpa to 4.5Mpa.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PS as this material；
Make optics master batch step; the component of optics master batch includes by weight: 40～60 parts of these material of PS choosing out from 100 parts of these material of PS; add 10～30 parts of PP; surplus adds PMMA or PMMA microsphere; it is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PS as this material；
Make optics master batch step; the component of optics master batch includes by weight: 60 parts of these material of PS choosing out from 100 parts of these material of PS; add 20 parts of PP; add 20 parts of PMMA or PMMA microsphere; three is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses after 1～10 part of optics master batch, 0.001～0.01 part of dispersant of addition and 0.001～0.01 part of toughener mix and put in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PS as this material；
Make optics master batch step; the component of optics master batch includes by weight: 40～60 parts of these material of PS choosing out from 100 parts of these material of PS; add 10～40 parts of organosilicon microspheres; surplus adds PMMA or PMMA microsphere; it is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PS by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PP as this material；
Make optics master batch step; the component of optics master batch includes by weight: 40～60 parts of these material of PP choosing out from 100 parts of these material of PP; add 10～30 parts of PS; surplus adds PS microsphere or MS microsphere; it is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PP as this material；
Make optics master batch step; the component of optics master batch includes by weight: 60 parts of these material of PP choosing out from 100 parts of these material of PP; add 20 parts of PS; add 20 parts of PS microspheres or MS microsphere; three is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PP as this material；
Make optics master batch step; the component of optics master batch includes by weight: 60 parts of these material of PP choosing out from 100 parts of these material of PP; add 40 parts of PS; both are mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PE as this material；
Make optics master batch step; the component of optics master batch includes by weight: 40～60 parts of these material of PE choosing out from 100 parts of these material of PE; add 10～30 parts of PS; surplus adds PS microsphere or MS microsphere; it is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
The diffuser plate production technology being used in straight-down negative display backlight source and LED flat lamp the most according to claim 1, it is characterised in that: prepare this material step, by weight selecting 100 parts of PE as this material；
Make optics master batch step; the component of optics master batch includes by weight: 60 parts of these material of PE choosing out from 100 parts of these material of PE; add 20 parts of PS; add 20 parts of PS microspheres or MS microsphere; three is mixed into gross weight than the master batch raw material being 100 parts; making optics master batch by dual-screw pelletizer after being mixed by master batch raw material, the optics master batch made has several different coefficient of refraction；
Extrusion molding step, chooses 100 parts of these material of PP by weight, chooses 1～10 part of optics master batch, puts in extrusion shaping machine, mold diffuser plate sheet material by extrusion shaping machine after adding 0.001～0.01 part of dispersant and 0.001～0.01 part of toughener mixing.
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| CN201410124101.XA CN103910945B (en) | 2014-03-28 | 2014-03-28 | It is used in the diffuser plate production technology of straight-down negative display backlight source and LED flat lamp |
| PCT/CN2014/080471 WO2015143790A1 (en) | 2014-03-28 | 2014-06-22 | Diffuser plate production process applicable to straight down type display screen backlight source and led panel light |
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| CN106398011A (en) * | 2016-06-20 | 2017-02-15 | 肇庆市峰明光电科技有限公司 | Diffuser plate capable of eliminating blue light and manufacturing method thereof |
| CN107353564A (en) * | 2017-06-28 | 2017-11-17 | 常州大智光电有限公司 | The anti-dazzle light diffusing sheets of PS and its preparation technology |
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| CN101363925A (en) * | 2007-08-09 | 2009-02-11 | 住友化学株式会社 | Light diffuser plate |
| CN103073867A (en) * | 2012-12-28 | 2013-05-01 | 东莞市普凯塑料科技有限公司 | Light diffusion master batch for transparent plastics and preparation method thereof |
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| KR101040478B1 (en) * | 2009-05-20 | 2011-06-09 | 도레이첨단소재 주식회사 | High-Efficiency Light Diffusing Polymeric Film and Manufacturing Method Thereof |
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| CN103073805A (en) * | 2013-01-21 | 2013-05-01 | 东莞市欣隆光电材料有限公司 | High impact strength photodiffusion polystyrene material and preparation method thereof |
| CN103242593B (en) * | 2013-05-15 | 2015-07-08 | 北京化工大学 | Antistatic material, self-cleaning light diffusion plate prepared therefrom, and preparation method of self-cleaning light diffusion plate |
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| CN101363925A (en) * | 2007-08-09 | 2009-02-11 | 住友化学株式会社 | Light diffuser plate |
| CN103073867A (en) * | 2012-12-28 | 2013-05-01 | 东莞市普凯塑料科技有限公司 | Light diffusion master batch for transparent plastics and preparation method thereof |
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