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    • 3. 发明申请
    • ENHANCED LIGHT DIFFUSING SHEET
    • 增强光扩散片
    • WO2006026743A1
    • 2006-03-09
    • PCT/US2005/031276
    • 2005-08-31
    • FUSION OPTIX, INC.YEO, Terence, E.COLEMAN, Zane, A.
    • YEO, Terence, E.COLEMAN, Zane, A.
    • G02B6/00
    • G02B6/0051G02B6/0038G02B6/004G02B6/0041G02B6/0046G02B6/0053G02B6/0065
    • The invention generally relates to a light transmitting diffusing sheet and method of manufacture and more specifically its use in backlighting systems for liquid crystal displays (LCDs). Such displays are typically used in televisions, computer monitors, laptop computers and handheld devices such as mobile phones. Embodiments are described herein for light diffusing sheets to be used with both cold-cathode fluorescent (CCFL) and light-emitting diode based backlighting systems. The desired light transmitting properties described herein have been achieved by modifying both the volume and surface features of the sheet. The invention when used as part of the backlighting assembly for a LCD system results in improved brightness and controlled viewing angles. In one embodiment, substantially asymmetric particles in the volume of the sheet are combined with a ridged structure on one surface of the sheet. The use of the sheet removes the need for separate prismatic films and diffusing sheets, while also optimizing the light transmitting properties of these two elements. Methods for production of the light transmitting diffusing sheet are also described.
    • 本发明一般涉及一种透光扩散片及其制造方法,更具体地说,涉及用于液晶显示器(LCD)的背光系统中。 这样的显示器通常用于电视机,计算机显示器,膝上型计算机和手持设备,例如移动电话。 本文描述了与冷阴极荧光(CCFL)和基于发光二极管的背光系统一起使用的光漫射片的实施例。 通过改变片材的体积和表面特征来实现本文所述的期望的透光性能。 当用作LCD系统的背光组件的一部分时,本发明导致改善的亮度和受控的视角。 在一个实施例中,片材体积中的基本上不对称的颗粒与片材的一个表面上的脊状结构组合。 使用该片材不需要单独的棱镜膜和漫射片,同时也优化了这两个元件的透光性能。 还描述了用于制造光透射扩散片的方法。
    • 8. 发明申请
    • ENHANCED LIGHT FIXTURE
    • 增强型灯具
    • WO2006055872A2
    • 2006-05-26
    • PCT/US2005/042053
    • 2005-11-17
    • FUSION OPTIX, INC.YEO, Terence, E.COLEMAN, Zane, A.
    • YEO, Terence, E.COLEMAN, Zane, A.
    • G02B6/00
    • G02B6/0041F21S6/00F21S8/08F21V1/00F21V3/049F21V2200/10F21V2200/20F21W2131/103F21Y2105/00F21Y2115/10G02B5/0242G02B5/0257G02B5/0284G02B6/0051G02B6/0055G02B27/0988
    • An enhanced light fixture containing a volumetric, anisotropic diffuser to control the spatial luminance uniformity and angular spread of light from the light fixture is disclosed.The anisotropic diffuser provides increased spatial luminance uniformity and efficient control over the illuminance such that power reductions, reduced cost or reduced size may be achieved. The anisotropic diffuser contains one or more regions of asymmetrically shaped light scattering particles. The spread of illumination of light from a light emitting source can be efficiently controlled by using a thin, low cost, volumetric, asymmetric diffuser to direct the light in the desired direction. This allows the reduction in number of light sources, a reduction in power requirements, or a more tailored illumination. When the anisotropic diffuser is used in combination with a waveguide to extract light, the light is efficiently coupled out of the waveguide in a thin, planar surface. This transmissive diffuser can be coupled to a reflecting element such that the resulting combination is a light reflecting element with a desired asymmetric light scattering profile.
    • 本发明公开了一种增强照明装置,其包含体积各向异性漫射器以控制来自灯具的光的空间亮度均匀性和角展度。各向异性漫射器提供增加的空间亮度均匀性和对照度的有效控制 从而可以实现功率降低,成本降低或尺寸减小。 各向异性漫射体包含一个或多个不对称形状的光散射颗粒区域。 通过使用薄的,低成本的体积不对称漫射器将光引导到期望的方向,可以有效地控制来自发光源的光的照射的扩散。 这样可以减少光源数量,降低功率要求,或者实现更加个性化的照明。 当各向异性漫射器与波导组合使用以提取光时,光在薄的平坦表面中有效地耦合出波导。 该透射漫射体可以耦合到反射元件,使得所得到的组合是具有期望的不对称光散射轮廓的光反射元件。
    • 9. 发明申请
    • IMAGING MATERIAL WITH IMPROVED CONTRAST
    • 成像材料与改进的对比
    • WO2006020583A3
    • 2006-04-13
    • PCT/US2005028170
    • 2005-08-10
    • FUSION OPTIX INCYEO TERENCE ECOLEMAN ZANE A
    • YEO TERENCE ECOLEMAN ZANE A
    • G03B21/62
    • G03B21/10G02B2006/1219G03B21/625
    • An imaging material has been developed which provides improved image contrast, increased gain and increased viewing angle. A method for production of the screen element is also described. The imaging material of the invention includes a refractive optical element (202) which redirects incident light along a desired axis, a light transmissive focusing region (205) which diffuses the light along the desired axis, and a controlled light-transmissive region (207) which controls backscatter and increases contrast. The refractive optical element (202) desirably includes an active surface such as a lenticular array embossed thereon which serves to redirect incident light as desired. The focusing region (205) desirably is made of a matrix material (206) having a refractive index n
    • 已经开发了成像材料,其提供改善的图像对比度,增加的增益和增加的视角。 还描述了用于生产屏幕元件的方法。 本发明的成像材料包括:折射光学元件(202),其沿着期望的轴线重定向入射光,将光沿着所需轴线扩散的透光聚焦区域(205)和受控光透射区域(207) 其控制反向散射并增加对比度。 折射光学元件(202)期望地包括有效表面,诸如压花在其上的透镜阵列,其用于根据需要重定向入射光。 聚焦区域(205)期望地由具有折射率n