WO2015143790A1 - 使用于直下式显示屏背光源及led平板灯的扩散板生产工艺 - Google Patents

使用于直下式显示屏背光源及led平板灯的扩散板生产工艺 Download PDF

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WO2015143790A1
WO2015143790A1 PCT/CN2014/080471 CN2014080471W WO2015143790A1 WO 2015143790 A1 WO2015143790 A1 WO 2015143790A1 CN 2014080471 W CN2014080471 W CN 2014080471W WO 2015143790 A1 WO2015143790 A1 WO 2015143790A1
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parts
masterbatch
optical
extrusion molding
weight ratio
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PCT/CN2014/080471
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French (fr)
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蔡文珍
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蔡文珍
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions 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
    • C08L33/04Homopolymers or copolymers of esters
    • C08L33/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12Homopolymers or copolymers of methyl methacrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00Masterbatches

Definitions

  • the invention relates to the technical field of production technology of a diffusion plate, in particular to a production process of a diffusion plate used for a direct type display backlight and an LED flat lamp.
  • the diffusing plate used in the backlight of the display screen is a semi-transparent plexiglass plate, and the light source generally uses an LED light bar, and the diffusing plate used for the direct type display backlight and the LED flat lamp needs to have a good Optical properties, including light dispersion, refractive properties, and transmissive properties, the prior art is to process bumps or pits on one or both surfaces of the diffuser, which is used to improve the dispersion of light by the diffuser.
  • the performance enables the light emitted by the LED strip light source to be homogenized after being emitted through the diffuser.
  • This technique improves the dispersion performance of the diffuser by changing the surface morphology of the diffuser, although it has a certain dispersion.
  • it will form an atomized optical effect on the surface of the diffuser plate, which greatly reduces the refractive properties and light transmission properties of the diffuser plate, which is necessary to be improved.
  • the object of the present invention is to provide a diffusion board for a direct-type display backlight and an LED panel lamp with improved production process, which is simple in process, easy to implement, low in production cost, and produced.
  • the diffuser plate has excellent optical properties.
  • the diffusion board production process for direct-type display backlights and LED panel lamps includes the following steps: In preparing the material, one or more of PE, PS and PP are used as the material;
  • the optical masterbatch is prepared, and the components of the optical masterbatch include: 40 to 60 parts of the material selected from 100 parts of the material, and the balance is added to include two or more optical refractive indexes different from the material.
  • the optical refractive index transparent optical granules are mixed into the masterbatch raw material in a total weight ratio of 100 parts, and the master batch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator.
  • Optical masterbatch has several different refractive indices;
  • the extrusion molding step 100 parts of the material is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine, The extrusion molding machine forms a diffuser plate;
  • the equipment is heated after the equipment is extruded, and the diffusion plate is heated to eliminate the stress of the diffusion plate;
  • the optical masterbatch is prepared, and the transparent plastic granules of the optical masterbatch include PS, PMMA, PP, MS, PS microspheres, PMMA microspheres, PP microspheres, organic a mixture of any two or more of silicon microspheres and MS microspheres;
  • the optical masterbatch is prepared, and the twin-screw granulator is divided into a feeding section, a melting section, a mixing section and a discharging section according to a granulation process, and the temperature of each section of the twin-screw granulator is 170 degrees to 270. Degree, the pressure is from IMpa to 4.5Mpa, the masterbatch has different refractive index, so that the chemical polymer with different refractive index is evenly dispersed, and the LED point light source has a multi-refractive index to emit a uniform surface through the diffusing plate.
  • the light source; the extrusion molding step, the extrusion molding machine is divided into a feeding section, a melting section, a mixing section, and a discharging section according to a molding process, and the temperature of each section of the extrusion molding machine is 170 degrees to 270 degrees, the pressure is IMpa to 4.5Mpa.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 40 to 60 parts of PS material selected from 100 parts of PS material, 10 to 30 parts of PP are added, and the balance is added to PMMA or PMMA micro a ball, which is mixed into a total weight ratio of 100 parts of the masterbatch raw material, and the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the obtained optical masterbatch has several different refractive indexes;
  • 100 parts of PS material is selected by weight ratio, 1 ⁇ 10 parts of optical masterbatch is selected, 0.001 ⁇ 0.01 parts of dispersing agent and 0.001 ⁇ 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine, and squeezed
  • the forming machine forms a diffuser sheet.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 60 parts of PS material selected from 100 parts of PS material, 20 parts of PP, 20 parts of PMMA or PMMA microspheres, and three
  • the masterbatch raw material is mixed into a total weight ratio of 100 parts, and the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • the extrusion molding step 100 parts of PS material is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch are included in the weight ratio: from 100 parts of PS material 40 ⁇ 60 parts of PS material is selected, 10 ⁇ 40 parts of silicone microspheres are added, and the balance is added to PMMA or PMMA microspheres, which are mixed into a total weight ratio of 100 parts of masterbatch raw material, and the masterbatch raw materials are mixed.
  • the optical masterbatch is then formed by a twin-screw granulator, and the resulting optical masterbatch has several different refractive indices;
  • the extrusion molding step 100 parts of PS material is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 40 to 60 parts of PP material selected from 100 parts of PP material, 10 to 30 parts of PS, and the balance is added to the PS microsphere or MS microspheres, which are mixed into a total weight ratio of 100 parts of masterbatch raw material, and the masterbatch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • 100 parts of PP material is selected by weight ratio
  • 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 60 parts of PP material selected from 100 parts of PP material, 20 parts of PS, 20 parts of PS microspheres or MS microspheres, Mixing the three into a total weight ratio of 100 parts of the masterbatch raw material, mixing the masterbatch raw materials and passing through the twin screw
  • the granulator is made into optical masterbatch, and the prepared optical masterbatch has several different refractive indexes; in the extrusion molding step, 100 parts of PP material is selected by weight ratio, 1 ⁇ 10 parts of optical masterbatch is selected, and 0.001 ⁇ 0.01 part of a dispersing agent and 0.001 to 0.01 part of a toughening agent were mixed and put into an extrusion molding machine, and a diffusing plate sheet was formed by an extrusion molding machine.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 60 parts of the PP material selected from 100 parts of the PP material, 40 parts of PS are added, and the two are mixed into a total weight ratio of 100 parts.
  • the masterbatch raw material, the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • PP material 100 parts is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 40 to 60 parts of the PE material selected from 100 parts of the PE material, 10 to 30 parts of PS is added, and the balance is added to the PS microspheres or MS microspheres, which are mixed into a total weight ratio of 100 parts of masterbatch raw material, and the masterbatch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • 100 parts of PP material is selected by weight ratio, 1 ⁇ 10 parts of optical masterbatch is selected, 0.001 ⁇ 0.01 parts of dispersing agent and 0.001 ⁇ 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffusion plate material is formed by an extrusion molding machine.
  • the preparation of the material is prepared, and 100 parts of PS is selected as the material according to the weight ratio;
  • the components of the optical masterbatch include: 60 parts of PE material selected from 100 parts of PE material, 20 parts of PS, 20 parts of PS microspheres or MS microspheres, Mixing the three into a total weight ratio of 100 parts of the masterbatch raw material, mixing the masterbatch raw materials and preparing the optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • PP material 100 parts is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.
  • the present invention has advantages over the prior art: the present invention improves the production process of the diffusion plate used for the direct type display backlight and the LED panel lamp, and the diffusion plate is obtained by the process.
  • the optical properties of the diffusing plate are changed internally, and the chemical polymer having different refractive indexes therein is uniformly dispersed instead of being changed from the surface.
  • the process of the invention is simple, easy to implement, low in production cost, and the diffusing plate produced is excellent. Optical performance.
  • Embodiment 1 is only a preferred embodiment of the present invention and does not limit the scope of the present invention. Embodiment 1
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • one or more of PE, PS and PP are used as the mixture.
  • the optical masterbatch is prepared, and the components of the optical masterbatch include: 40 to 60 parts of the material selected from 100 parts of the material, and the balance is added to include two or more optical refractive indexes different from the material.
  • the optical refractive index transparent optical granules are mixed into the masterbatch raw material in a total weight ratio of 100 parts, and the master batch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator.
  • the optical masterbatch has several different refractive indices; wherein, the transparent plastic granules for forming the optical masterbatch include PS, PMMA, PP, MS, PS microspheres, PMMA microspheres, PP microspheres, silicone micro A mixture of any two or more of the ball and the MS microsphere.
  • the twin-screw granulator is divided into a feeding section, a melting section, a mixing section and a discharging section according to the granulation process.
  • the temperature of each section of the twin-screw granulator is 170 degrees to 270 degrees, and the pressure is IMpa to 4.5 MPa.
  • the prepared masterbatch has different refractive indexes, so that the chemical polymers of different refractive indexes are uniformly dispersed, and the LED point light source has a multi-refractive index through the diffusing plate to emit a uniform surface light source.
  • the extrusion molding step 100 parts of the material is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine,
  • the extrusion molding machine forms a diffusion plate; the extrusion molding machine is divided into a feeding section, a melting section, a mixing section, and a discharging section according to a molding process, and the temperature of each section of the extrusion molding machine is 170 degrees to 270 degrees.
  • the pressure is from IMPa to 4.5 MPa.
  • the equipment is heated after the extrusion equipment, and the diffusion plate is heated to eliminate the stress of the diffusion plate.
  • the diffuser sheet is cut into an economical size diffuser.
  • Diffusion plate production process for direct-type display backlights and LED panel lights including the following Step:
  • the components of the optical masterbatch include: 40 to 60 parts of PS material selected from 100 parts of PS material, 10 to 30 parts of PP are added, and the balance is added to PMMA or PMMA micro a ball, which is mixed into a total weight ratio of 100 parts of the masterbatch raw material, and the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the obtained optical masterbatch has several different refractive indexes;
  • 100 parts of PS material is selected by weight ratio, 1 ⁇ 10 parts of optical masterbatch is selected, 0.001 ⁇ 0.01 parts of dispersing agent and 0.001 ⁇ 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine, and squeezed
  • the forming machine forms a diffuser sheet.
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 60 parts of PS material selected from 100 parts of PS material, 20 parts of PP, 20 parts of PMMA or PMMA microspheres, and three
  • the masterbatch raw material is mixed into a total weight ratio of 100 parts, and the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • the diffusion board production process for direct-type display backlights and LED panel lamps includes the following steps:
  • the components of the optical masterbatch include: 40 to 60 parts of PS material selected from 100 parts of PS material, 10 to 40 parts of silicone microspheres are added, and the balance is added to PMMA. Or PMMA microspheres, which are mixed into a total weight ratio of 100 parts of masterbatch raw material, and the masterbatch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator, and the optical masterbatch has several different refractive indexes. ;
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 60 parts of PS material selected from 100 parts of PS material, 20 parts of silicone microspheres, and 20 parts of PMMA or PMMA microspheres. , the three are mixed into a total weight ratio of 100 parts of the masterbatch raw material, the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • 100 parts of PS material is selected by weight ratio, 1 ⁇ 10 parts of optical masterbatch is selected, 0.001 ⁇ 0.01 parts of dispersing agent and 0.001 ⁇ 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine, and squeezed
  • the forming machine forms a diffuser sheet.
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 40 to 60 parts of PS material selected from 100 parts of PS material, and the balance is added to the silicone microspheres, and the two are mixed into a total
  • the masterbatch raw material is 100 parts by weight, the masterbatch raw material is mixed, and the optical masterbatch is formed by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 60 parts of the PS material selected from 100 parts of the PS material, 40 parts of the silicone microspheres, and the total weight ratio is 100 parts of masterbatch raw material, the masterbatch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • the extrusion molding step 100 parts of PS material is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffusion plate material is formed by an extrusion molding machine.
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 40 to 60 parts of PP material selected from 100 parts of PP material, 10 to 30 parts of PS, and the balance is added to the PS microsphere or MS microspheres, which are mixed into a total weight ratio of 100 parts of masterbatch raw material, and the masterbatch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • 100 parts of PP material is selected by weight ratio
  • 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 60 parts of PP material selected from 100 parts of PP material, 20 parts of PS, 20 parts of PS microspheres or MS microspheres, Mixing the three into a total weight ratio of 100 parts of the masterbatch raw material, mixing the masterbatch raw materials and preparing the optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 60 parts of the PP material selected from 100 parts of the PP material, 40 parts of PS are added, and the two are mixed into a total weight ratio of 100 parts.
  • the masterbatch raw material, the masterbatch raw material is mixed and then made into an optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 40 to 60 parts of the PE material selected from 100 parts of the PE material, 10 to 30 parts of PS is added, and the balance is added to the PS microspheres or MS microspheres, which are mixed into a total weight ratio of 100 parts of masterbatch raw material, and the masterbatch raw materials are mixed and then made into optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • 100 parts of PP material is selected according to the weight ratio, and 1 to 10 parts of optical masterbatch are selected.
  • 0.001 to 0.01 parts of a dispersing agent and 0.001 to 0.01 parts of a toughening agent are added and mixed, and then put into an extrusion molding machine, and a diffusion sheet material is formed by an extrusion molding machine.
  • the diffusion board production process for direct-type display backlights and LED panel lamps including the following steps:
  • the components of the optical masterbatch include: 60 parts of PE material selected from 100 parts of PE material, 20 parts of PS, 20 parts of PS microspheres or MS microspheres, Mixing the three into a total weight ratio of 100 parts of the masterbatch raw material, mixing the masterbatch raw materials and preparing the optical masterbatch by a twin-screw granulator, and the prepared optical masterbatch has several different refractive indexes;
  • PP material 100 parts is selected by weight ratio, 1 to 10 parts of optical master batch is selected, 0.001 to 0.01 parts of dispersing agent and 0.001 to 0.01 parts of toughening agent are added and mixed, and then put into an extrusion molding machine.
  • the diffuser sheet is formed by an extrusion molding machine.

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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
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Abstract

本发明公开了一种使用于直下式显示屏背光源及LED平板灯的扩散板生产工艺,它包括本料步骤、制作光学母粒步骤、挤出成型步骤、消除应力步和裁切步骤,本发明通过该工艺从扩散板内部改变扩散板的光学性能,让其内部具有不同折射率的化学聚合物分散均匀,而非从表面进行改变,本发明工艺简单,易于实施,生产成本低,并且生产出来的扩散板具有极好的光学性能。

Description

使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺 技术领域
本发明涉及扩散板的生产工艺技术领域, 尤其是涉及使用于直下式显示 屏背光源及 LED平板灯的扩散板生产工艺。
背景技术
现有技术中, 使用于显示屏背光源中的扩散板为一半透明的有机玻璃板 材,光源一般使用 LED光条,使用于直下式显示屏背光源及 LED平板灯的扩 散板需要具有很好的光学性能, 包括对光的分散性能、 折射性能和穿透射性 能, 现有技术是在扩散板的一表面或两表面加工出凹凸点或凹点条纹, 它用 于提高扩散板对光的分散性能, 使 LED光条点状光源发射出的光线通过扩散 板发射出后能够均匀化, 这种技术通过改变扩散板的表面形态而提高扩散板 对光的分散性能, 它虽然具有一定的分散作用, 但是, 它会在扩散板的表面 形成一种雾化的光学效果, 大幅度降低了扩散板的折射性能和透光性能, 此 有必要予以改进。
发明内容
针对现有技术存在的不足, 本发明的目的是提供一种改进生产工艺的使 用于直下式显示屏背光源及 LED平板灯的扩散板, 它工艺简单, 易于实施, 生产成本低, 并且生产出来的扩散板具有极好的光学性能。
为了实现上述目的, 本发明所采用的技术方案是:
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤: 准备本料歩骤, 选用 PE、 PS和 PP中的一种或两种以上的混合料作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份本料中选 取出来的 40〜60份本料, 余量加入包含两种以上的光学折射率不同于本料的 光学折射率的透光性塑粒颗粒, 将光学母粒的组份混合成总重量比为 100份 的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光 学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份本料, 选取 1〜10份光学母粒, 加 入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机中, 通过挤出成型机成型出扩散板板材;
消除应力歩骤, 在挤出设备后设备加热设备, 对扩散板板材进行加热, 消除扩散板板材的应力;
裁切歩骤, 将扩散板板材裁切成经济尺寸的扩散板;
成品。
进一歩的技术方案中, 所述制作光学母粒歩骤, 制成光学母粒的透光性 塑粒颗粒包括 PS、 PMMA、 PP、 MS、 PS微球、 PMMA微球、 PP微球、 有 机硅微球和 MS微球中的任意两种或两种以上的混合物;
所述制作光学母粒歩骤, 双螺杆造粒机按造粒过程区分为进料区间、 融 熔区间、 混炼区间、 出料区间, 双螺杆造粒机各区间的温度为 170度至 270 度, 压力为 IMpa至 4.5Mpa, 制成的母粒具有不同的折射系数, 让其不同折 射率的化学聚合物分散均匀, 而使 LED点光源通过该扩散板有多折射率发射 出均匀的面光源; 所述挤出成型歩骤, 挤出成型机按成型过程区分为进料区 间、 融熔区间、 混炼区间、 出料区间, 挤出成型机各区间的温度为 170度至 270度, 压力为 IMpa至 4.5Mpa。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料,加入 10〜30份 PP, 余量加入 PMMA或 PMMA 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 60份 PS本料,加入 20份 PP,加入 20份 PMMA或 PMMA微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PS本料、 选取 1〜10份光学母粒、 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料,加入 10〜40份有机硅微球, 余量加入 PMMA 或 PMMA微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合 后通过双螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射 系数;
挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
准备本料歩骤, 按重量比选用 100份 PP作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 40〜60份 PP本料, 加入 10〜30份 PS, 余量加入 PS微球或 MS 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
准备本料歩骤, 按重量比选用 100份 PP作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 60份 PP本料, 加入 20份 PS , 加入 20份 PS微球或 MS微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
准备本料歩骤, 按重量比选用 100份 PP作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 60份 PP本料, 加入 40份 PS, 将两者混合成总重量比为 100份 的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光 学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
准备本料歩骤, 按重量比选用 100份 PE作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PE本料中 选取出来的 40〜60份 PE本料, 加入 10〜30份 PS, 余量加入 PS微球或 MS 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
本发明的另一个具体技术方案中, 准备本料歩骤, 按重量比选用 100份 PS作为本料;
准备本料歩骤, 按重量比选用 100份 PE作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PE本料中 选取出来的 60份 PE本料, 加入 20份 PS, 加入 20份 PS微球或 MS微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
采用上述结构后, 本发明和现有技术相比所具有的优点是: 本发明是对 使用于直下式显示屏背光源及 LED平板灯的扩散板的生产工艺进行改进, 通 过该工艺从扩散板内部改变扩散板的光学性能, 让其内部具有不同折射率的 化学聚合物分散均匀, 而非从表面进行改变, 本发明工艺简单, 易于实施, 生产成本低, 并且生产出来的扩散板具有极好的光学性能。
具体实施方式
以下所述仅为本发明的较佳实施例, 并不因此而限定本发明的保护范围。 实施例一
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 选用 PE、 PS和 PP中的一种或两种以上的混合料作为本 制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份本料中选 取出来的 40〜60份本料, 余量加入包含两种以上的光学折射率不同于本料的 光学折射率的透光性塑粒颗粒, 将光学母粒的组份混合成总重量比为 100份 的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光 学母粒具有若干种不同的折射系数; 其中, 制成光学母粒的透光性塑粒颗粒 包括 PS、 PMMA, PP、 MS、 PS微球、 PMMA微球、 PP微球、 有机硅微球 和 MS微球中的任意两种或两种以上的混合物。
双螺杆造粒机按造粒过程区分为进料区间、 融熔区间、 混炼区间、 出料 区间,双螺杆造粒机各区间的温度为 170度至 270度,压力为 IMpa至 4.5Mpa, 制成的母粒具有不同的折射系数, 让其不同折射率的化学聚合物分散均匀, 而使 LED点光源通过该扩散板有多折射率发射出均匀的面光源。
挤出成型歩骤, 按重量比选取 100份本料, 选取 1〜10份光学母粒, 加 入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机中, 通过挤出成型机成型出扩散板板材; 挤出成型机按成型过程区分为进料区间、 融熔区间、 混炼区间、 出料区间, 挤出成型机各区间的温度为 170度至 270 度, 压力为 IMpa至 4.5Mpa。
消除应力歩骤, 在挤出设备后设备加热设备, 对扩散板板材进行加热, 消除扩散板板材的应力。
裁切歩骤, 将扩散板板材裁切成经济尺寸的扩散板。
成品。 实施例二
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料,加入 10〜30份 PP, 余量加入 PMMA或 PMMA 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例三
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 60份 PS本料,加入 20份 PP,加入 20份 PMMA或 PMMA微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PS本料、 选取 1〜10份光学母粒、 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料,加入 10〜40份有机硅微球, 余量加入 PMMA 或 PMMA微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合 后通过双螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射 系数;
挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例五
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 60份 PS本料,加入 20份有机硅微球, 加入 20份 PMMA或 PMMA 微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过 双螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例六
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料, 余量加入有机硅微球, 将两者混合成总重量 比为 100份的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例七
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PS作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 60份 PS本料,加入 40份有机硅微球,将其混合成总重量比为 100 份的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的 光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
实施例八
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PP作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 40〜60份 PP本料, 加入 10〜30份 PS, 余量加入 PS微球或 MS 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例九
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PP作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 60份 PP本料, 加入 20份 PS , 加入 20份 PS微球或 MS微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例十
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PP作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 60份 PP本料, 加入 40份 PS, 将两者混合成总重量比为 100份 的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光 学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例 ^一
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PE作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PE本料中 选取出来的 40〜60份 PE本料, 加入 10〜30份 PS, 余量加入 PS微球或 MS 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。 实施例十二
使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 包括以下 歩骤:
准备本料歩骤, 按重量比选用 100份 PE作为本料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PE本料中 选取出来的 60份 PE本料, 加入 20份 PS, 加入 20份 PS微球或 MS微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
以上内容仅为本发明的较佳实施例, 对于本领域的普通技术人员, 依据 本发明的思想, 在具体实施方式及应用范围上均会有改变之处, 本说明书内

Claims

权 利 要 求 书
1. 使用于直下式显示屏背光源及 LED平板灯的扩散板生产工艺, 其特征 在于, 包括以下歩骤:
准备本料歩骤, 选用 PE、 PS和 PP中的一种或两种以上的混合料作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份本料中选 取出来的 40〜60份本料, 余量加入包含两种以上的光学折射率不同于本料的 光学折射率的透光性塑粒颗粒, 将光学母粒的组份混合成总重量比为 100份 的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光 学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份本料, 选取 1〜10份光学母粒, 加 入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机中, 通过挤出成型机成型出扩散板板材;
消除应力歩骤, 在挤出设备后设备加热设备, 对扩散板板材进行加热, 消除扩散板板材的应力;
裁切歩骤, 将扩散板板材裁切成经济尺寸的扩散板;
成品。
2. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 所述制作光学母粒歩骤, 制成光学母粒的透光 性塑粒颗粒包括 PS、 PMMA、 PP、 MS、 PS微球、 PMMA微球、 PP微球、 有机硅微球和 MS微球中的任意两种或两种以上的混合物;
所述制作光学母粒歩骤, 双螺杆造粒机按造粒过程区分为进料区间、 融 熔区间、 混炼区间、 出料区间, 双螺杆造粒机各区间的温度为 170度至 270 度, 压力为 IMpa至 4.5Mpa, 制成的母粒具有不同的折射系数, 让其不同折 射率的化学聚合物分散均匀, 而使 LED点光源通过该扩散板有多折射率发射 出均匀的面光源;
所述挤出成型歩骤, 挤出成型机按成型过程区分为进料区间、 融熔区间、 混炼区间、 出料区间, 挤出成型机各区间的温度为 170度至 270度, 压力为 IMpa至 4.5Mpa。
3. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PS作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料,加入 10〜30份 PP, 余量加入 PMMA或 PMMA 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
4. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PS作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 60份 PS本料,加入 20份 PP,加入 20份 PMMA或 PMMA微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PS本料、 选取 1〜10份光学母粒、 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
5. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PS作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PS本料中 选取出来的 40〜60份 PS本料,加入 10〜40份有机硅微球, 余量加入 PMMA 或 PMMA微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合 后通过双螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射 系数;
挤出成型歩骤, 按重量比选取 100份 PS本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
6. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PP作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 40〜60份 PP本料, 加入 10〜30份 PS, 余量加入 PS微球或 MS 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
7. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PP作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 60份 PP本料, 加入 20份 PS , 加入 20份 PS微球或 MS微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型 机中, 通过挤出成型机成型出扩散板板材。
8. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PP作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PP本料中 选取出来的 60份 PP本料, 加入 40份 PS, 将两者混合成总重量比为 100份 的母粒原料, 将母粒原料混合后通过双螺杆造粒机制成光学母粒, 制成的光 学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型 机中, 通过挤出成型机成型出扩散板板材。
9. 根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PE作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PE本料中 选取出来的 40〜60份 PE本料, 加入 10〜30份 PS, 余量加入 PS微球或 MS 微球, 将其混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双 螺杆造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数; 挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
10.根据权利要求 1所述的使用于直下式显示屏背光源及 LED平板灯的扩 散板生产工艺, 其特征在于: 准备本料歩骤, 按重量比选用 100份 PE作为本 料;
制作光学母粒歩骤, 光学母粒的组份按重量比包括: 从 100份 PE本料中 选取出来的 60份 PE本料, 加入 20份 PS, 加入 20份 PS微球或 MS微球, 将三者混合成总重量比为 100份的母粒原料, 将母粒原料混合后通过双螺杆 造粒机制成光学母粒, 制成的光学母粒具有若干种不同的折射系数;
挤出成型歩骤, 按重量比选取 100份 PP本料, 选取 1〜10份光学母粒, 加入 0.001〜0.01份分散剂和 0.001〜0.01份增韧剂混合后投入到挤出成型机 中, 通过挤出成型机成型出扩散板板材。
PCT/CN2014/080471 2014-03-28 2014-06-22 使用于直下式显示屏背光源及led平板灯的扩散板生产工艺 WO2015143790A1 (zh)

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