OPTICAL SHEET HAVING THIN DOUBLE-SIDED LIGHT GUIDE
    31.
    发明申请
    OPTICAL SHEET HAVING THIN DOUBLE-SIDED LIGHT GUIDE 审中-公开
    具有双面光导的光学片

    公开(公告)号:US20120051704A1

    公开(公告)日:2012-03-01

    申请号:US12873278

    申请日:2010-08-31

    IPC分类号: G02B6/10

    摘要: The present invention provides an optical sheet having a plurality of light guide plate patterns, each light guide plate pattern having a micro-patterned output surface for emitting light, and a micro-patterned bottom surface opposing to the output surface, made in steps comprising: extruding a first resin into the nip between a first pressure roller and a first patterned roller to form a first layer at a first patterned roller surface temperature T1 and a first nip pressure P1, the first layer having an unpatterned surface and a patterned surface, the patterned surface having a micro-pattern transferred from the first patterned roller, and conveying the first layer into a nip between a second patterned roller and a second pressure roller in a second extrusion station; and extruding a second resin into the nip between the second pressure roller and the second patterned roller and onto the unpatterned surface of the first layer to form a second layer at a second patterned roller surface temperature T2 and a second nip pressure P2, the second layer having a micro-pattern transferred from the second patterned roller; the combined first and second layers forming the optical sheet comprising the plurality of light guide plate patterns.

    摘要翻译: 本发明提供了一种具有多个导光板图案的光学片,每个导光板图案具有用于发光的微图案化输出表面和与输出表面相对的微图案化底表面,其步骤包括: 将第一树脂挤出到第一压力辊和第一图案化辊之间的辊隙中,以形成第一图案辊表面温度T1和第一辊隙压力P1的第一层,第一层具有未图案化表面和图案化表面, 图案化表面具有从第一图案化辊转移的微图案,并且在第二挤压站中将第一层输送到第二图案化辊和第二压力辊之间的辊隙中; 以及将第二树脂挤压到第二加压辊和第二图案化辊之间的辊隙中并在第一层的未图案化的表面上挤出以在第二图案辊表面温度T2和第二辊隙压力P2处形成第二层,第二层 具有从第二图案化辊转移的微图案; 形成包括多个导光板图案的光学片的组合的第一和第二层。

    Novel turning film for liquid crystal displays
    33.
    发明申请
    Novel turning film for liquid crystal displays 审中-公开
    用于液晶显示器的新型转向膜

    公开(公告)号:US20100110342A1

    公开(公告)日:2010-05-06

    申请号:US12590210

    申请日:2009-11-04

    IPC分类号: G02F1/13357 G02B5/04

    摘要: The present invention provides a light redirecting article for redirecting light toward a target angle, the light redirecting article comprising: an input surface comprising a plurality of light redirecting structures. Each light redirecting structure has (i) a near surface having two slopes, sloping away from normal in one direction as defined by a first inclination base angle β1, a second inclination angle β2, and a first half apex angle α2, for accepting incident illumination over a range of incident angles and (ii) a far surface sloping away from normal, in the opposite direction relative to the input surface, as defined by a second base angle γ1 and a second half apex angle α1. In addition, light redirecting structures has (b) an output surface opposing to the input surface, wherein the near and far surfaces are opposed to each other at an angle (α1+α2), and the base angle β1 is greater than or equal to 90 degrees.

    摘要翻译: 本发明提供了一种用于将光重定向到目标角度的光重定向制品,所述光重定向制品包括:包括多个光重定向结构的输入表面。 每个光重定向结构具有:(i)具有两个斜面的近表面,其沿着由第一倾斜底角&bgr; 1,第二倾斜角度&bgr; 2和第一半顶角α2限定的一个方向远离法线倾斜; 用于在入射角范围内接收入射照明,以及(ii)远离正常倾斜的远表面,相对于输入表面相反的方向,如由第二底角γ1和第二半顶角α1所限定。 此外,光重定向结构具有(b)与输入表面相对的输出表面,其中近表面和远表面以角度(α1+α2)彼此相对,并且基底角度&bgr; 1大于或等于 等于90度。

    Reflective polarizer with polarization splitting microstructure
    34.
    发明授权
    Reflective polarizer with polarization splitting microstructure 有权
    具有偏振分束微结构的反射偏振器

    公开(公告)号:US07646453B2

    公开(公告)日:2010-01-12

    申请号:US11643093

    申请日:2006-12-21

    IPC分类号: G02F1/1335

    摘要: A reflective polarizer contains: (a) a light-entrance medium having a light-entrance surface and a microstructured surface with a series of prismatic structures, wherein first and second sidewalls of each prismatic structure have an inclination angle of more than 53 degrees with respect to the light-entrance surface; (b) a polarization-selective thin film optical coating on the series of prismatic structures, for transmitting a first polarization of light and reflecting a second polarization; and (c) a light-exit medium on the polarization-selective thin film optical coating that provides a smooth light-exit surface.

    摘要翻译: 反射偏振器包括:(a)具有光入射表面的光入射介质和具有一系列棱柱结构的微结构化表面,其中每个棱柱结构的第一和第二侧壁具有大于53度的倾斜角度,相对于 到光入射面; (b)一系列棱镜结构上的偏振选择性薄膜光学涂层,用于透射第一偏振光并反射第二偏振; 和(c)偏光选择性薄膜光学涂层上的光出射介质,其提供平滑的光出射表面。

    Dissfusely-reflecting polarizer having nearly isotropic continuous phase
    35.
    发明申请
    Dissfusely-reflecting polarizer having nearly isotropic continuous phase 有权
    具有近似各向同性连续相的异性反射偏振片

    公开(公告)号:US20090323184A1

    公开(公告)日:2009-12-31

    申请号:US12584111

    申请日:2009-08-31

    IPC分类号: G02B1/08

    摘要: The present invention provides a diffusely-reflecting polarizer comprising: a first polymer which is amorphous and having a birefringence of less than about 0.02 and a second polymer, the first polymer being a continuous phase, and the second polymer being a disperse phase whose index of refraction differs from said continuous phase by greater than about 0.05 along a first axis and by less than about 0.05 along a second axis orthogonal to said first axis; wherein the diffuse-reflectivity of said first and second polymers taken together along at least one axis for at least one polarization state of electromagnetic radiation is at least about 50%, the diffuse transmittance of said first and second polymers taken together along at least one axis for at least one polarization state of electromagnetic radiation is at least about 50%.

    摘要翻译: 本发明提供了一种漫反射偏振器,包括:第一聚合物,其为无定形且双折射小于约0.02,第二聚合物,第一聚合物为连续相,第二聚合物为分散相,其指数为 沿着第一轴线,所述连续相位不同于所述连续相位大于约0.05,沿着与所述第一轴线正交的第二轴线的折射小于约0.05; 其中所述第一和第二聚合物沿至少一个轴线聚集在电磁辐射的至少一个极化状态下的漫反射率为至少约50%,所述第一和第二聚合物沿着至少一个轴线 对于电磁辐射的至少一个偏振态是至少约50%。

    Thin light guiding plate and methods of manufacturing
    36.
    发明申请
    Thin light guiding plate and methods of manufacturing 审中-公开
    薄光导板及制造方法

    公开(公告)号:US20090040771A1

    公开(公告)日:2009-02-12

    申请号:US11890969

    申请日:2007-08-08

    IPC分类号: F21V13/02 B29D11/00

    摘要: The present invention provides a composite light guiding plate comprising a light guiding layer comprising an incident face for receiving light from at least one light source, a light guiding output surface that is also generally orthogonal to the incident face, a featured surface, opposite the light-guiding output surface and generally orthogonal to the input face for redirecting light through the light guiding output surface. Further, the featured surface comprises a plurality of rows of linear prismatic structures extended in a length direction that is substantially perpendicular to the incident face and having height and width dimensions of 10 to 200 microns and wherein the length-to-width aspect ratio of the linear prismatic structures is greater than 100:1 the thickness of the light guiding layer is less than 1 mm. Further, the plate is formed from polymeric materials comprising polyesters, amorphous polyesters, polyarylates, polycarbonates, polyamides, polyether-amides, polyamide-imides, polyimides, polyetherimides, cyclic olefin polymers, impact-modified polymethacrylates, polyacrylates, polyacrylonitrile, polystyrenes, polyethers, cellulosics, sulfur-containing polymers and blends or alloys of two or more polymers or copolymers thereof. Additionally, the plate comprises a light extraction layer comprising an input surface having a plurality of protruding light extraction features that have tips that are bonded to the light-guiding output surface of the light guiding layer and provide optical contact between the light guiding and light extraction layers and an illumination output surface for providing light output from the composite illumination plate. Further, the thickness of the light extraction layer is less than 1 mm and wherein one or more channels of air or other gas are sandwiched between the light guiding layer and the light extraction layer.

    摘要翻译: 本发明提供了一种复合导光板,其包括导光层,该导光层包括用于接收来自至少一个光源的光的入射面,也大致正交于入射面的光导输出表面,与光相反的特征表面 引导输出表面并且大致垂直于输入面,用于使光通过导光输出表面。 此外,特征表面包括在长度方向上延伸的多行线性棱镜结构,其大致垂直于入射面并且具有10至200微米的高度和宽度尺寸,并且其中, 线性棱镜结构大于100:1,导光层的厚度小于1mm。 此外,该板由聚酯,无定形聚酯,聚芳酯,聚碳酸酯,聚酰胺,聚醚酰胺,聚酰胺 - 酰亚胺,聚酰亚胺,聚醚酰亚胺,环烯烃聚合物,冲击改性聚甲基丙烯酸酯,聚丙烯酸酯,聚丙烯腈,聚苯乙烯,聚醚, 纤维素,含硫聚合物和两种或多种聚合物或其共聚物的共混物或合金。 另外,所述板包括光提取层,所述光提取层包括输入表面,所述输入表面具有多个突出的光提取特征,所述多个突出的光提取特征具有接合到所述光导层的光导输出表面的尖端并且在所述导光和光提取之间提供光学接触 层和用于提供从复合照明板的光输出的照明输出表面。 此外,光提取层的厚度小于1mm,并且其中空气或其它气体的一个或多个通道夹在导光层和光提取层之间。

    Shaped article with polymer domains and process
    37.
    发明申请
    Shaped article with polymer domains and process 审中-公开
    具有聚合物领域和工艺的成型制品

    公开(公告)号:US20080197518A1

    公开(公告)日:2008-08-21

    申请号:US12002782

    申请日:2007-12-18

    IPC分类号: G02B5/30

    CPC分类号: G02B5/3083 G02F1/13363

    摘要: A process for making a multiphase birefringent film and resulting shaped article comprise (a) a first polymeric material forming a continuous phase in all directions and (b) a second polymeric material that is continuous in only one direction disposed within the first phase, the second polymeric material being predominately curvilinear in shape and substantially extending the length of the film, at least one of the phases being birefringent and the two phases being substantially matched in refractive index in at least one directionThe shaped article and process for making provides a diffusely reflecting polarizer.

    摘要翻译: 一种制备多相双折射膜和所得成形制品的方法包括(a)在所有方向上形成连续相的第一聚合物材料和(b)仅在设置在第一相内的一个方向上连续的第二聚合物材料,第二聚合物材料 聚合物材料的形状主要是曲线,并且基本上延伸薄膜的长度,至少一个相是双折射的,两相在至少一个方向上的折射率基本匹配。成形制品和制造方法提供了漫反射 偏光片。