WO2020233467A1 - 一种超短焦背投影涂料、超短焦背投影屏幕 - Google Patents

一种超短焦背投影涂料、超短焦背投影屏幕 Download PDF

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WO2020233467A1
WO2020233467A1 PCT/CN2020/090013 CN2020090013W WO2020233467A1 WO 2020233467 A1 WO2020233467 A1 WO 2020233467A1 CN 2020090013 W CN2020090013 W CN 2020090013W WO 2020233467 A1 WO2020233467 A1 WO 2020233467A1
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ultra
rear projection
substrate
coating
short throw
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PCT/CN2020/090013
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English (en)
French (fr)
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保佘·巴萨姆·穆罕默德
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亚科维亚(福建)科技有限公司
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Publication of WO2020233467A1 publication Critical patent/WO2020233467A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface

Definitions

  • the invention relates to an ultra-short focal back projection paint and an ultra-short focal back projection screen.
  • a projection screen with a Fresnel microlens structure is usually used.
  • this kind of projection screen can only be used indoors or at night.
  • the center point of the screen is That is, the color shift at 0 horizontal viewing angle is 0, and as the horizontal viewing angle increases, the color shift generated will also increase, and as the vertical viewing angle increases, the color shift generated will also follow.
  • the direct visual performance of the color cast is that the white field is no longer the preset color temperature value, but is displayed with a certain primary color, so that the human eye is in a different viewing angle.
  • the color of the image screen is inconsistent, especially for large-screen splicing display, for scenes that use more white fields, such as PPT display in large conference rooms, the color shift of different viewing angles or different positions will be greatly reduced User experience.
  • Ultra short throw projector also called wall sticker projection.
  • the ultra-short throw projector can project a larger picture at the same distance as the traditional projector. Therefore, it is particularly important to provide projection coatings and screens that have no color deviation, large angles, and can be sprayed.
  • One of the objectives of the present invention is to provide an ultra-short throw back projection coating and an ultra short throw back projection screen.
  • An ultra-short throw rear projection coating the rear projection coating includes hollow glass microspheres, black particles and a coating substrate. 1-20g hollow glass microspheres and 1-40g black particles are added according to 100mL of the coating substrate ;
  • the black particles are 5-45mm black glass beads or black particles with a particle size of 5-45mm or black, non-reflective, transparent, flake silica glass, and the thickness of the silica glass It is 200-300nm and the width is 40-50 ⁇ m.
  • the coating substrate of the present invention can be a water-based paint or an oil-based paint.
  • the present invention preferably uses a water-based paint. You can use commercially available water-based paints.
  • the water-based paint of the present invention consists of the following volume parts: water-based acrylic emulsion 400-500mL, defoamer 1-2mL, moisturizer Wet agent 1-2mL, leveling agent 1-2mL, film forming aid 20-30mL and adhesive 0.5-1mL.
  • the preparation method of the ultra-short throw rear projection paint of the present invention is to stir the hollow glass microspheres, the black particles and the paint substrate for 2-5 minutes until they are uniformly mixed.
  • An ultra-short throw rear projection screen includes a projection substrate and the ultra-short throw rear projection paint coated on the surface of the projection substrate.
  • the projection substrate is a flat substrate or a curved substrate.
  • the projection substrate is glass, acrylic plate or transparent plastic plate.
  • the present invention has the following beneficial effects:
  • the ultra-short throw back-projection paint of the present invention can make the back-projection screen have a better viewing angle, and the color cast is less, so that the color of the image picture is basically the same when the display picture is viewed at different viewing angles or different positions.
  • the ultra-short throw back projection screen of the present invention can allow more projection light to penetrate from the projector, make the screen brighter, and enable the screen to be used under strong light or even sunlight.
  • the ultra-short throw back projection screen of the present invention can be used for the digital dynamic advertisement of the window glass during the day or night, can replace posters and propaganda paper, can reduce waste, and achieve the effect of environmental protection and saving.
  • the ultra-short throw back projection paint of the present invention can be sprayed by spraying, so that the projection screen has a large area and no joints.
  • the ultra-short throw rear projection paint of the present invention can be coated on transparent materials, such as glass, acrylic board, transparent plastic or endurance board, and has good durability.
  • the ultra-short focal back projection of the present invention can be coated on a curved surface or a flat surface to form a flat screen or a curved screen.
  • Silica glass is produced by Glassflake Limited. It mainly contains black iron oxide and silicon dioxide, the glass formed by cooling after fusion. It is available for purchase.
  • the preferred water-based acrylic emulsion is jsdl-518 from Jiangsu New Material Company. You can also choose oil-based paint. When choosing oil-based paint, in order to meet the hardness and adhesion of the coating, other additives will be changed accordingly.
  • the defoamer is preferably Guangzhou Runhong Chemical Co., Ltd. NXZ.
  • the wetting agent is preferably PE100 from Guangzhou Runhong Chemical Co., Ltd.
  • the leveling agent is optimized for Guangzhou Runhong Chemical Co., Ltd. 2020.
  • the adhesive is preferably H-592 from Guangzhou Hengxiqi New Material Co., Ltd.
  • the hollow glass microspheres are produced by 3M Company in the United States.
  • An ultra-short throw rear projection coating including
  • the thickness of the silica glass is 200-300nm, and the width is 40-50 ⁇ m;
  • the coating substrate is water-based paint (oil-based paint can also be selected, when oil-based paint is selected, the additives should be modified accordingly).
  • the coating substrate 500 mL of water-based acrylic emulsion, 2 mL of defoamer, 2 mL of wetting agent, 2 mL of leveling agent, 30 mL of film forming aid and 1 mL of adhesive.
  • An ultra-short throw rear projection screen includes a substrate and the ultra-short throw rear projection paint coated on the surface of the substrate.
  • the substrate is a plane substrate of acrylic board.
  • An ultra-short throw rear projection coating including
  • the thickness of the silica glass is 200-300nm, and the width is 40-50 ⁇ m;
  • the coating substrate is water-based paint (oil-based paint can also be selected, when oil-based paint is selected, the additives should be modified accordingly).
  • the coating substrate 500 mL of water-based acrylic emulsion, 2 mL of defoamer, 2 mL of wetting agent, 2 mL of leveling agent, 30 mL of film forming aid and 1 mL of adhesive.
  • An ultra-short throw rear projection screen includes a substrate and the ultra-short throw rear projection paint coated on the surface of the substrate.
  • the substrate is a flat glass substrate.
  • An ultra-short throw rear projection coating including
  • Coating substrate water-based paint (oil-based paint can also be selected, when oil-based paint is selected, the additives should be modified accordingly).
  • the coating substrate 400 mL of water-based acrylic emulsion, 1 mL of defoamer, 1 mL of wetting agent, 2 mL of leveling agent, 20 mL of film forming aid, and 1 mL of adhesive.
  • An ultra-short throw rear projection screen includes a substrate and the ultra-short throw rear projection paint coated on the surface of the substrate.
  • the substrate is a transparent plastic flat substrate.
  • An ultra-short throw rear projection coating including
  • the silica glass has a thickness of 200-300nm and a width of 40-50 ⁇ m;
  • Coating substrate water-based paint (oil-based paint can also be selected, when oil-based paint is selected, the additives should be modified accordingly).
  • the coating substrate 400 mL of water-based acrylic emulsion, 1 mL of defoamer, 1 mL of wetting agent, 2 mL of leveling agent, 20 mL of film forming aid, and 1 mL of adhesive.
  • An ultra-short throw rear projection screen includes a substrate and the ultra-short throw rear projection paint coated on the surface of the substrate.
  • the substrate is a transparent plastic flat substrate.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

一种超短焦背投影涂料，包括中空玻璃微球、黑色颗粒物和涂料底物，按照100mL的涂料底物添加1-20g的中空玻璃微球和1-40g的黑色颗粒物；该黑色颗粒物为5-45mm黑色玻璃微珠或者粒径为5-45mm的黑色颗粒或者黑色的、不反光的、透明的、片状二氧化硅玻璃，该二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm。

Description

一种超短焦背投影涂料、超短焦背投影屏幕 技术领域
本发明涉及一种超短焦背投影涂料、超短焦背投影屏幕。
背景技术
在背投显示领域，尤其是背投显示领域，通常采用具有菲涅尔微透镜结构的投影屏幕，目前这种投影屏幕只能在室内或者夜间使用，在室外使用时，由于在屏幕中心点，即水平视角为0处的色偏为0，而随着水平视角的增大，产生的色偏也会随之增大，以及，随着垂直视角的增大，产生的色偏也会随之增大，即随着视角增加，产生不同程度的色偏，色偏的直接视觉表现就是白场不再是预设的色温值了，而偏与某种基色颜色显示，从而人眼在不同视角或不同位置观看显示画面时存在图像画面颜色不一致，尤其是对于大屏拼接显示中，对于白场使用较多的场景，例如大型会议室的PPT展示，不同视角或不同位置的色偏会大大降低用户的体验。
超短焦投影机，也叫墙贴投影。超短焦投影机在与传统投影机的对比下同样的距离，可以投射更大的画面。因此提供无色偏差、角度大且能随喷随用的投影涂料及屏幕显得尤为重要。
发明内容
本发明的目的之一在于提供一种超短焦背投影涂料、超短焦背投影屏幕。
一种超短焦背投影涂料，所述的背投影涂料包括中空玻璃微球、黑色颗粒物和涂料底物，按照100mL的涂料底物添加1-20g的中空玻璃微球和1-40g的黑色颗粒物；
所述的黑色颗粒物为5-45mm黑色玻璃微珠或者粒径为5-45mm的黑色颗粒 或者黑色的、不反光的、透明的、片状二氧化硅玻璃，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm。
本发明的涂料底物可以为水性漆或者油性漆，为了环保要求，本发明优选使用水性漆。可以使用市场上购买的水性漆。
优选地，为了形成环保的与基材吸附更好且光滑的均匀的膜层，本发明的所述的水性漆由以下体积份组成：水性丙烯酸乳液400-500mL、消泡剂1-2mL、润湿剂1-2mL、流平剂1-2mL、成膜助剂20-30mL和粘合剂0.5-1mL。
本发明的一种超短焦背投影涂料的制备方法为将中空玻璃微球、黑色颗粒物和涂料底物搅拌2-5分钟至混合均匀。
一种超短焦背投影屏幕，包括投影基材及涂覆于所述的投影基材表面的所述的超短焦背投影涂料。
优选地，所述的投影基材为平面基材或者曲面基材。
优选地，所述的投影基材为玻璃、亚克力板或者透明塑料板。
较之前的现有技术，本发明具有以下有益效果：
本发明的超短焦背投影涂料能让背投影屏幕具有更好的视角，而且色偏少，使在不同视角或不同位置观看显示画面时图像画面颜色基本一致。
本发明的超短焦背投影屏幕能让更多的投影光从投影仪穿透，使屏幕更亮，让屏幕能在强光、甚至阳光下使用。
本发明的超短焦背投影屏幕用于橱窗玻璃的数字动态广告能在白天或者黑夜使用，能替代海报和宣传纸，能减少浪费，达到环保节约的效果。
本发明的超短焦背投影涂料可以采用喷涂的方式喷涂，从而使投影屏幕面积大，而且没有接缝。
本发明的超短焦背投影涂料可以涂覆在透明的材质上，如玻璃、亚克力板，透明塑料或者耐力板，具有良好的耐久性。
本发明的超短焦背投影可以涂覆曲面或者平面上形成平面屏幕或者曲面屏幕。
具体实施方式
下面结合具体实施方式对本发明进一步阐述：但是不只仅仅局限于以下实施例，凡是依据本发明原理的任何改进或替换，均应在本发明的保护范围之内。
二氧化硅玻璃是玻璃鳞片公司(Glassflake Limited)生产的。它主要包含黑色的氧化铁和二氧化硅，融合之后降温所形成的玻璃。是可以购买得到的。
水性丙烯酸优选乳液江苏新材料公司jsdl-518。也可以选择油性漆，当选择油性漆时，为了能满足涂料的硬度、粘附力等性能，其它的助剂相应发生改变。
消泡剂优选广州市润宏化工有限公司NXZ。
润湿剂优选广州市润宏化工有限公司PE100。
流平剂优选广州市润宏化工有限公司2020。
粘合剂优选广州恒希奇新材料有限公司H-592。
中空玻璃微球是美国3M公司生产的。
实施例1
一种超短焦背投影涂料，包括
35g中空玻璃微球，
70g黑色的、不反光的、透明的、片状二氧化硅玻璃，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm；
涂料底物为水性漆(也可以选择油性漆，当选择油性漆的时候，助剂相应进行修改)。
所述的涂料底物：水性丙烯酸乳液500mL、消泡剂2mL、润湿剂2mL、流平剂2mL、成膜助剂30mL和粘合剂1mL。
将非晶态硅酸铝钙、涂料底物、二氧化硅玻璃搅拌5分钟至混合均匀。
一种超短焦背投影屏幕，包括基材及涂覆于所述的基材表面的所述的超短焦背投影涂料。
所述的基材为亚克力板平面基材。
实施例2
一种超短焦背投影涂料，包括
30g中空玻璃微球，
120g黑色的、不反光的、透明的、片状二氧化硅玻璃，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm；
涂料底物为水性漆(也可以选择油性漆，当选择油性漆的时候，助剂相应进行修改)。
所述的涂料底物：水性丙烯酸乳液500mL、消泡剂2mL、润湿剂2mL、流平剂2mL、成膜助剂30mL和粘合剂1mL。
将非晶态硅酸铝钙、涂料底物、二氧化硅玻璃搅拌5分钟至混合均匀。
一种超短焦背投影屏幕，包括基材及涂覆于所述的基材表面的所述的超短焦背投影涂料。
所述的基材为玻璃平面基材。
实施例3
一种超短焦背投影涂料，包括
6g中空玻璃微球，
6g黑色的、不反光的、透明的、片状二氧化硅玻璃，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm；
涂料底物：水性漆(也可以选择油性漆，当选择油性漆的时候，助剂相应进行修改)。
所述的涂料底物：水性丙烯酸乳液400mL、消泡剂1mL、润湿剂1mL、流平剂2mL、成膜助剂20mL和粘合剂1mL。
将非晶态硅酸铝钙、涂料底物、二氧化硅玻璃搅拌5分钟至混合均匀。
一种超短焦背投影屏幕，包括基材及涂覆于所述的基材表面的所述的超短焦背投影涂料。
所述的基材为透明塑料平面基材。
实施例4
一种超短焦背投影涂料，包括
80g中空玻璃微球，
160g黑色的、不反光的、透明的、片状二氧化硅玻璃，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm；
涂料底物：水性漆(也可以选择油性漆，当选择油性漆的时候，助剂相应进行修改)。
所述的涂料底物：水性丙烯酸乳液400mL、消泡剂1mL、润湿剂1mL、流平剂2mL、成膜助剂20mL和粘合剂1mL。
将非晶态硅酸铝钙、涂料底物、二氧化硅玻璃搅拌5分钟至混合均匀。
一种超短焦背投影屏幕，包括基材及涂覆于所述的基材表面的所述的超短焦背投影涂料。
所述的基材为透明塑料平面基材。
对以上各个实施例制备的超短焦背投影屏幕的涂层进行相关性能的检测，结果如下
Figure PCTCN2020090013-appb-000001

Claims (7)

  1. 一种超短焦背投影涂料，其特征在于：所述的背投影涂料包括中空玻璃微球、黑色颗粒物和涂料底物，按照100mL的涂料底物添加1-20g的中空玻璃微球和1-40g的黑色颗粒物；
    所述的黑色颗粒物为5-45mm黑色玻璃微珠或者粒径为5-45mm的黑色颗粒或者黑色的、不反光的、透明的、片状二氧化硅玻璃，所述的二氧化硅玻璃的厚度为200-300nm，宽度为40-50μm。
  2. 根据权利要求1所述的一种超短焦背投影涂料，其特征在于：涂料底物为水性漆或者油性漆。
  3. 根据权利要求2所述的一种超短焦背投影涂料，其特征在于：所述的水性漆由以下体积份组成：水性丙烯酸乳液400-500mL、消泡剂1-2mL、润湿剂1-2mL、流平剂1-2mL、成膜助剂20-30mL和粘合剂0.5-1mL。
  4. 根据权利要求1所述的一种超短焦背投影涂料的制备方法，其特征在于：将中空玻璃微球、黑色颗粒物和涂料底物搅拌2-5分钟至混合均匀。
  5. 一种超短焦背投影屏幕，其特征在于：包括基材及涂覆于所述的基材表面的由权利要求1-3中任意一项所述的背投影涂料。
  6. 根据权利要求5所述的一种超短焦背投影屏幕，其特征在于：所述的基材为平面基材或者曲面基材。
  7. 根据权利要求6所述的一种超短焦背投影屏幕，其特征在于：所述的基材为玻璃、亚克力板或者透明塑料板。
PCT/CN2020/090013 2019-05-17 2020-05-13 一种超短焦背投影涂料、超短焦背投影屏幕 WO2020233467A1 (zh)

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