Post-forming continuous/disperse phase optical bodies
    11.
    发明授权
    Post-forming continuous/disperse phase optical bodies 失效
    后成型连续/分散相光学体

    公开(公告)号:US06256146B1

    公开(公告)日:2001-07-03

    申请号:US09127314

    申请日:1998-07-31

    IPC分类号: G02B530

    摘要: Diffusely reflective articles manufactured from optical bodies including continuous and disperse phases are disclosed along with methods of manufacturing such articles. Also disclosed are underdrawn continuous/disperse phase optical bodies that are particularly well-suited to post-forming operations. The articles, methods and optical bodies of the present invention preferably allow for post-forming of the optical bodies while retaining desired levels of diffuse reflectivity in the articles formed from the optical bodies.

    摘要翻译: 公开了由包括连续分散相的光学体制造的漫反射制品以及制造这种制品的方法。 还公开了非常适合后成型操作的脱墨连续/分散相位光学体。 本发明的制品,方法和光学体优选地允许光学体的后成形,同时在由光学体形成的制品中保持期望的漫反射率水平。

    PROCESS FOR MAKING AN OPTICAL FILM
    13.
    发明申请
    PROCESS FOR MAKING AN OPTICAL FILM 审中-公开
    制作光学膜的工艺

    公开(公告)号:US20080083999A1

    公开(公告)日:2008-04-10

    申请号:US11539320

    申请日:2006-10-06

    IPC分类号: B29D11/00

    摘要: Exemplary methods include includes providing a film comprising at least one polymeric material; widening the film under a first set of processing conditions in a first draw step along the crossweb direction such that in-plane birefringence, if any, created in the film is low; and drawing the film in a second draw step along a downweb direction, while allowing the film to relax along the crossweb direction, under a second set of processing conditions, wherein the second set of processing conditions creates in-plane birefringence in at least one polymeric material.

    摘要翻译: 示例性的方法包括提供包含至少一种聚合物材料的膜; 在沿着横向横向方向的第一拉伸步骤中的第一组处理条件下使膜变宽,使得在膜中产生的面内双折射(如果有的话)低; 以及在第二组加工条件下沿着横向方向在第二拉伸步骤中拉伸薄膜同时允许薄膜沿着横向横向方向松弛,其中第二组加工条件在至少一个聚合物中产生平面内双折射 材料。

    Multicomponent optical body
    15.
    发明授权
    Multicomponent optical body 失效
    多组分光学体

    公开(公告)号:US06207260B1

    公开(公告)日:2001-03-27

    申请号:US09006118

    申请日:1998-01-13

    IPC分类号: B32B702

    摘要: Multilayer polymeric films and other optical bodies are provided. The films, which have at least three layers of different composition in the optical repeating unit, reflect light in a first portion of the spectrum while transmitting light in a second portion of the spectrum, exhibit improved reflectivities at oblique angles, and can be designed to suppress one or more higher order harmonics of the main reflection band.

    摘要翻译: 提供多层聚合物膜和其他光学体。 在光学重复单元中具有至少三层不同成分的膜在光谱的第二部分中透射光的同时在光谱的第一部分中反射光,在倾斜角度表现出改善的反射率,并且可以设计成 抑制主反射带的一个或多个更高次谐波。

    Polarizing beam splitter
    16.
    发明授权
    Polarizing beam splitter 有权
    极化分束器

    公开(公告)号:US06609795B2

    公开(公告)日:2003-08-26

    申请号:US09878575

    申请日:2001-06-11

    IPC分类号: G03B2100

    CPC分类号: G02B27/283 Y10T428/24942

    摘要: The present invention provides a unique polarizing beam splitter (PBS) that is suitable for use in projection systems and displays. The PBS contains at least one prism having at least one major surface and having a refractive index of at least about 1.6 and a birefringent film disposed on the major surface of the prism. The birefringent film is a multi-layer film having layers of at least a first material and a second material. After uniaxial stretching, the film exhibits a refractive index difference of less than about 0.15 units in the stretched direction.

    摘要翻译: 本发明提供了适用于投影系统和显示器的独特的偏振分束器(PBS)。 PBS包含至少一个具有至少一个主表面并具有至少约1.6的折射率的棱镜和设置在棱镜的主表面上的双折射膜。 双折射膜是具有至少第一材料和第二材料层的多层膜。 在单轴拉伸之后,膜在拉伸方向上的折射率差小于约0.15单位。

    Multicomponent optical body
    17.
    发明授权
    Multicomponent optical body 有权
    多组分光学体

    公开(公告)号:US06667095B2

    公开(公告)日:2003-12-23

    申请号:US09769971

    申请日:2001-01-25

    IPC分类号: B32B702

    摘要: Multilayer polymeric films and other optical bodies are provided. The films, which have at least three layers of different composition in the optical repeating unit, reflect light in a first portion of the spectrum while transmitting light in a second portion of the spectrum, exhibit improved reflectivities at oblique angles, and can be designed to suppress one or more higher order harmonics of the main reflection band.

    摘要翻译: 提供多层聚合物膜和其他光学体。 在光学重复单元中具有至少三层不同成分的膜在光谱的第二部分中透射光的同时在光谱的第一部分中反射光,在倾斜角度表现出改善的反射率,并且可以设计成 抑制主反射带的一个或多个更高次谐波。

    Rear projection screen using birefringent optical film for asymmetric light scattering
    18.
    发明授权
    Rear projection screen using birefringent optical film for asymmetric light scattering 有权
    背投屏使用双折射光学薄膜进行非对称光散射

    公开(公告)号:US06239907B1

    公开(公告)日:2001-05-29

    申请号:US09390086

    申请日:1999-09-03

    IPC分类号: G03B2156

    CPC分类号: G03B21/625

    摘要: A dispersing element for a rear projection screen assembly is sensitive to the polarization of the light passing through the element. In particular, the element disperses light having a first polarization differently from light having a second polarization orthogonal to the first polarization. The dispersing element may be aligned with a polarization axis neither parallel nor perpendicular to the polarization of the light passing through the element. The dispersing element may also be employed with a polarizer to remove unwanted light that propagates through the dispersing element. The dispersing element may also be rotatably mounted relative to a polarized light source so as to vary the angle between the polarization axis of the element and the polarization direction of the light.

    摘要翻译: 用于后投影屏幕组件的分散元件对通过元件的光的偏振敏感。 特别地,所述元件将具有与第一偏振正交的第二偏振光不同于具有第一偏振光的光分散。 分散元件可以与不通过元件的光的偏振平行也不垂直的偏振轴对准。 分散元件也可以与偏振器一起使用以去除传播通过分散元件的不需要的光。 分散元件也可以相对于偏振光源可旋转地安装,以便改变元件的偏振轴与光的偏振方向之间的角度。