Diffuser disk for LCD applications, method for the production and use thereof
    11.
    发明授权
    Diffuser disk for LCD applications, method for the production and use thereof 失效
    用于LCD应用的扩散盘,用于生产和使用它的方法

    公开(公告)号:US07629041B2

    公开(公告)日:2009-12-08

    申请号:US10566249

    申请日:2004-05-12

    IPC分类号: B32B19/00 G02B5/00

    摘要: The present invention relates to diffuser sheets for LCD applications encompassing at least one light-scattering polymethyl methacrylate layer which comprises a polymethyl methacrylate matrix and also from 0.5 to 59.5% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, of spherical scattering particles (A) whose median size V50 is in the range from 0.1 to 40 μm, and whose refractive index differs from that of the polymethyl methacrylate matrix by a value in the range from 0.02 to 0.2, and from 0.5 to 59.5% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, of spherical particles (B) whose median size V50 is in the range from 10 to 150 μm and whose refractive index differs from that of the polymethyl methacrylate matrix by a value in the range from 0 to 0.2, where the total concentration of the spherical scattering particles (A) and particles (B) is in the range from 1 to 60% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, and the spherical scattering particles (A) and spherical particles (B) have a different median particle size V50, where the transmittance of the diffuser sheets is in the range from 20 to 70% and their scattering power is greater than 0.3, where the ratio of the square of average surface roughness of the polymethyl methacrylate layer RZ to the third power of the size of the spherical particles (B) RZ2/DPB3 is in the range from 0.0002 to 0.1300 μm−1.

    摘要翻译: 本发明涉及用于LCD应用的漫射片,其包括至少一种光散射聚甲基丙烯酸甲酯层,其包含聚甲基丙烯酸甲酯基质,并且还基于光散射聚甲基丙烯酸甲酯层的重量计为0.5-59.5重量% 中值大小V50为0.1〜40μm的球形散射粒子(A),其折射率与聚甲基丙烯酸甲酯基体的折射率不同,为0.02〜0.2,0.5〜59.5% 重量,基于光散射聚甲基丙烯酸甲酯层的重量,其中值大小V50在10至150μm范围内并且其折射率不同于聚甲基丙烯酸甲酯基质的球形颗粒(B)的值为 0至0.2的范围,其中球形散射颗粒(A)和颗粒(B)的总浓度在1至60重量%的范围内,基于Li的重量 散射聚甲基丙烯酸甲酯层,球状散射粒子(A)和球状粒子(B)的中值粒径V50不同,扩散片的透射率在20〜70%的范围内,散射光强度为 大于0.3,其中聚甲基丙烯酸甲酯层RZ的平均表面粗糙度的平方比与球形颗粒(B)RZ2 / DPB3的尺寸的第三功率的比率在0.0002至0.1300mum-1的范围内。

    Coated sheet-like plastic material with reduced tendency to colonization by algae, process for the in-line production thereof and use
    13.
    发明授权
    Coated sheet-like plastic material with reduced tendency to colonization by algae, process for the in-line production thereof and use 有权
    具有减少藻类定居倾向的涂层片状塑料材料,其在线生产和使用的方法

    公开(公告)号:US08993093B2

    公开(公告)日:2015-03-31

    申请号:US13635452

    申请日:2011-03-02

    摘要: A coated sheet-like plastics material comprising a) as base, a thermoplastic substrate; and b) on the base, a photocatalytically active coating comprising a water-spreading layer which involves either a sol-adhesion-promoter layer, layer b1+2), comprising an adhesion promoter and a colloid sol, or a colloid-sol layer b2) arranged on an adhesion-promoter layer b1) applied on the substrate a), and a photocatalytically active layer b3) arranged on the water-spreading layer b1+2) or b2), where b3) is obtainable through application and drying of a mixture comprising, based on the solids content of the mixture in percent by weight b31) from 1 to 25% of titanium dioxide and b32) from 75 to 99% of silicon dioxide and/or of a metal oxide which is not soluble in water or of an anionically modified silicon dioxide or metal oxide; where the titanium dioxide is particulate with an average primary-particle size smaller than 10 nm. In-line process for producing said material, and also use as roofing material or as glazing material, preferably in areas with moist conditions. The coated sheet-like plastics material of the invention combines water-spreading properties with photocatalytic activity, without any damage to the thermoplastic substrates. The coated sheet-like plastics substrate of the invention is produced in a relatively uncomplicated, inexpensive and fast in-line process and, in use, provides impressive substrate stability and impressive effectiveness of the coating in resisting initial algal growth.

    摘要翻译: 一种涂覆的片状塑料材料,其包含:a)作为基底,热塑性基材; 和b)在基材上,包含包含粘合促进剂和胶体溶胶的胶体粘附促进剂层b1 + 2的水分散层或胶体 - 溶胶层b2的光催化活性涂层 )和布置在水扩散层b1 + 2)上的光催化活性层b3)或b2),其中b3)可通过施加和干燥a 混合物,其包含基于混合物的固体含量,以重量比b31),1至25%的二氧化钛和b32)75至99%的二氧化硅和/或不溶于水的金属氧化物 的阴离子改性二氧化硅或金属氧化物; 其中二氧化钛是平均一次粒径小于10nm的颗粒。 用于生产所述材料的在线方法,并且还用作屋顶材料或玻璃材料,优选地在具有潮湿条件的区域中。 本发明的涂覆片状塑料材料将水分散性与光催化活性相结合,对热塑性基材没有任何损害。 本发明的涂覆的片状塑料基材以相对简单,廉价和快速的在线方法生产,并且在使用中提供令人印象深刻的基材稳定性和涂层在抵抗初始藻类生长中令人印象深刻的有效性。

    Stable rear projection screen and method for the production thereof
    14.
    发明授权
    Stable rear projection screen and method for the production thereof 失效
    稳定的背投屏幕及其制作方法

    公开(公告)号:US07602550B2

    公开(公告)日:2009-10-13

    申请号:US10566370

    申请日:2004-03-12

    IPC分类号: G03B21/60 G03B21/56

    摘要: The present invention relates to rear-projection screens which have at least one scattering layer encompassing scattering particles and has at least one backing layer, characterized in that the halved-intensity angle of the scattering layer is greater than or equal to 15° and the halved-intensity angle of the backing layer is smaller than or equal to 6.5°, where the gloss R60° of the backing layer is smaller than or equal to 70.

    摘要翻译: 本发明涉及具有至少一个包含散射颗粒的散射层并具有至少一个背衬层的后投影屏幕,其特征在于散射层的一半的强度角大于或等于15°, 背衬层的强度角小于或等于6.5°,背衬层的光泽R60°小于或等于70°。

    Scratch-resistant rear projection screen and method for producing the same

    公开(公告)号:US07339732B2

    公开(公告)日:2008-03-04

    申请号:US10566244

    申请日:2004-03-12

    IPC分类号: G03B21/60 G03B21/56

    摘要: The present invention relates to a rear-projection screen encompassing at least one light-scattering polymethyl methacrylate layer, which comprises a polymethyl methacrylate matrix and spherical scattering particles (A) and spherical particles (B) with a different median particle size V50, where the spherical scattering particles (A) have a median size V50 in the range from 0.1 to 40 μm, the difference between the refractive index of the spherical scattering particles (A) and that of the polymethyl methacrylate matrix being in the range from 0.02 to 0.2, where the spherical particles (B) have a median size V50 in the range from 10 to 150 μm, the difference between the refractive index of the spherical particles (B) and that of the polymethyl methacrylate matrix being in the range from 0 to 0.2, and where the total concentration of the spherical scattering particles (A) and particles (B) is in the range from 1 to 60% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, where the concentration of the spherical scattering particles (A) cPA, the thickness of the light-scattering polymethyl methacrylate layer dS and the size of the spherical scattering particles (A) DPA is selected in such a way that the ratio cPA*dS/DPA3 is in the range from 0.001 to 0.015% by weight*mm/μm3, the concentration of the spherical particles (B) cPB, the thickness of the light-scattering polymethyl methacrylate layer dS and the size of the spherical particles (B) DPB is selected in such a way that the ratio cPB*dS/DPB3 is in the range from 0.000005 to 0.002% by weight*mm/μm3 and the ratio of the square of average surface roughness of the polymethyl methacrylate layer RZ to the third power of the size of the spherical particles (B) RZ2/DPB3 is in the range from 0.0002 to 0.1300 μm−1.

    Scratch-resistant rear projection screen and method for producing the same

    公开(公告)号:US20060209403A1

    公开(公告)日:2006-09-21

    申请号:US10566244

    申请日:2004-03-12

    IPC分类号: G03B21/60

    摘要: The present invention relates to a rear-projection screen encompassing at least one light-scattering polymethyl methacrylate layer, which comprises a polymethyl methacrylate matrix and spherical scattering particles (A) and spherical particles (B) with a different median particle size V50, where the spherical scattering particles (A) have a median size V50 in the range from 0.1 to 40 μm, the difference between the refractive index of the spherical scattering particles (A) and that of the polymethyl methacrylate matrix being in the range from 0.02 to 0.2, where the spherical particles (B) have a median size V50 in the range from 10 to 150 μm, the difference between the refractive index of the spherical particles (B) and that of the polymethyl methacrylate matrix being in the range from 0 to 0.2, and where the total concentration of the spherical scattering particles (A) and particles (B) is in the range from 1 to 60% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, where the concentration of the spherical scattering particles (A) cPA, the thickness of the light-scattering polymethyl methacrylate layer dS and the size of the spherical scattering particles (A) DPA is selected in such a way that the ratio cPA*dS/DPA3 is in the range from 0.001 to 0.015% by weight*mm/μm3, the concentration of the spherical particles (B) cPB, the thickness of the light-scattering polymethyl methacrylate layer dS and the size of the spherical particles (B) DPB is selected in such a way that the ratio cPB*dS/DPB3 is in the range from 0.000005 to 0.002% by weight*mm/μm3 and the ratio of the square of average surface roughness of the polymethyl methacrylate layer RZ to the third power of the size of the spherical particles (B) RZ2/DPB3 is in the range from 0.0002 to 0.1300 μm−1.

    Light-guiding bodies and method for the production thereof
    18.
    发明申请
    Light-guiding bodies and method for the production thereof 审中-公开
    导光体及其制造方法

    公开(公告)号:US20050084993A1

    公开(公告)日:2005-04-21

    申请号:US10501925

    申请日:2003-05-06

    摘要: The present invention relates to a [lacuna] having at least one light-entry surface and at least one light-exit surface, the ratio of the light-exit surface area to the light-entry surface area being at least 4, comprising at least one light-guiding layer, characterized in that the light-guiding layer comprises at least 60% by weight, expressed in terms of the weight of the light-guiding layer, of polymethyl methacrylate and from 0.0001 to 0.2% by weight, expressed in terms of the weight of the light-guiding layer, of spherical particles with an average diameter in the range of from 0.3 to 40 μm, and the light-exit surface of the light-guiding layer is provided with structurings.

    摘要翻译: 本发明涉及具有至少一个光入射表面和至少一个光出射表面的[光斑],光出射表面积与光入射表面积之比至少为4,至少包括 一个光导层,其特征在于,光导层包含至少60重量%,以导光层的重量表示的聚甲基丙烯酸甲酯和0.0001至0.2重量% 导光层的重量为平均直径为0.3〜40μm的球形颗粒,导光层的光出射面设置有结构。

    Stable Rear Projection Screen and Method For the Production Thereof
    19.
    发明申请
    Stable Rear Projection Screen and Method For the Production Thereof 失效
    稳定的后投影屏幕及其制作方法

    公开(公告)号:US20080158670A1

    公开(公告)日:2008-07-03

    申请号:US10566370

    申请日:2004-03-12

    IPC分类号: G03B21/60

    摘要: The present invention relates to rear-projection screens which have at least one scattering layer encompassing scattering particles and has at least one backing layer, characterized in that the halved-intensity angle of the scattering layer is greater than or equal to 15° and the halved-intensity angle of the backing layer is smaller than or equal to 6.5°, where the gloss R60° of the backing layer is smaller than or equal to 70.

    摘要翻译: 本发明涉及具有至少一个包含散射颗粒的散射层并具有至少一个背衬层的后投影屏幕,其特征在于散射层的一半的强度角大于或等于15°, 背衬层的强度角小于或等于6.5°,其中背衬层的光泽度R 60°<70°小于或等于70°。

    Diffuser disk for lcd applications, method for the production and use thereof
    20.
    发明申请
    Diffuser disk for lcd applications, method for the production and use thereof 失效
    用于lcd应用程序的扩散盘,用于生产和使用它的方法

    公开(公告)号:US20060240200A1

    公开(公告)日:2006-10-26

    申请号:US10566249

    申请日:2004-05-12

    IPC分类号: A41G1/00

    摘要: The present invention relates to diffuser sheets for LCD applications encompassing at least one light-scattering polymethyl methacrylate layer which comprises a polymethyl methacrylate matrix and also from 0.5 to 59.5% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, of spherical scattering particles (A) whose median size V50 is in the range from 0.1 to 40 μm, and whose refractive index differs from that of the polymethyl methacrylate matrix by a value in the range from 0.02 to 0.2, and from 0.5 to 59.5% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, of spherical particles (B) whose median size V50 is in the range from 10 to 150 μm and whose refractive index differs from that of the polymethyl methacrylate matrix by a value in the range from 0 to 0.2, where the total concentration of the spherical scattering particles (A) and particles (B) is in the range from 1 to 60% by weight, based on the weight of the light-scattering polymethyl methacrylate layer, and the spherical scattering particles (A) and spherical particles (B) have a different median particle size V50, where the transmittance of the diffuser sheets is in the range from 20 to 70% and their scattering power is greater than 0.3, where the ratio of the square of average surface roughness of the polymethyl methacrylate layer RZ to the third power of the size of the spherical particles (B) RZ2/DPB3 is in the range from 0.0002 to 0.1300 μm−1.

    摘要翻译: 本发明涉及用于LCD应用的漫射片,其包括至少一种光散射聚甲基丙烯酸甲酯层,其包含聚甲基丙烯酸甲酯基质,并且还基于光散射聚甲基丙烯酸甲酯层的重量计为0.5-59.5重量% 中值大小V <50%的球形散射粒子(A)在0.1〜40μm的范围内,其折射率与聚甲基丙烯酸甲酯基质的折射率不同,为0.02〜0.2 ,和基于光散射聚甲基丙烯酸甲酯层的重量的0.5至59.5重量%的球形颗粒(B),其中位尺寸V <50>在10至150μm的范围内 并且其折射率与聚甲基丙烯酸甲基丙烯酸酯基体的折射率不同在0至0.2的范围内,其中球形散射颗粒(A)和颗粒(B)的总浓度在1至60%的范围内,通过 重量,基础o n光散射聚甲基丙烯酸甲酯层的重量,球状散射粒子(A)和球形粒子(B)的平均粒径V <50,其中扩散片的透射率为 在20至70%的范围内,并且它们的散射功率大于0.3,其中聚甲基丙烯酸甲酯层R SUB平均表面粗糙度的平方与第三功率的比值 球形颗粒(B)R Z 2 / D 3 PB 3 O 3的范围在0.0002至0.1300μm的范围内, SUP> -1