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    • 2. 发明申请
    • LUMINAIRE WITH IMPROVED LATERAL ILLUMINANCE CONTROL
    • 具有改进的侧向照明控制的灯泡
    • WO2007103606A2
    • 2007-09-13
    • PCT/US2007061526
    • 2007-02-02
    • FIBERSTARS INCOPTICAL RES ASSOCIATESCASSARLY WILLIAM JDAVENPORT JOHN MDAVENPORT THOMAS L RJENSON CHRIS H
    • CASSARLY WILLIAM JDAVENPORT JOHN MDAVENPORT THOMAS L RJENSON CHRIS H
    • G02B6/00
    • G02B6/001
    • A luminaire with improved lateral illuminance control comprising a light pipe with a longitudinal center is disclosed. A fight-extraction means applied to a radial swath of the Sight pipe has a longitudinal portion having dimension along its length, centered about a slice on the light pipe longitudinally; said slice being orthogonal to the longitudinal center and located in a propagation plane through which light propagates to a virtual target area intersecting the propagation plane. The light pipe intervenes between the radial swath and the target area. A first average efficiency point of the light-extraction means corresponds to the minimum distance to the target area being at least approximately 20% less than a respective, second average efficiency point corresponding to a respective maximum distance to such area. The light-extraction means efficiency varies from the first average efficiency point to the second average efficiency point though more than one non-zero value.
    • 公开了一种具有改进的侧向照度控制的照明器,其包括具有纵向中心的光管。 施加到视线管的径向条带上的提升装置具有纵向部分,该纵向部分具有沿其长度的尺寸,围绕光管纵向上的切片; 所述切片正交于纵向中心并且位于传播平面中,光线通过该传播平面传播到与传播平面相交的虚拟目标区域。 光管介于径向条和目标区之间。 光提取装置的第一平均效率点对应于到目标区域的最小距离比对应于相应于该区域的最大距离的相应的第二平均效率点小至少大约20%。 光提取装置虽然多于一个非零值,但效率从第一平均效率点到第二平均效率点变化。
    • 8. 发明申请
    • METHODS FOR MANIPULATING LIGHT EXTRACTION FROM A LIGHT
    • 用于操作从轻的光提取的方法
    • WO2006052834A3
    • 2007-02-08
    • PCT/US2005040181
    • 2005-11-04
    • OPTICAL RES ASSOCIATESCASSARLY WILLIAM J
    • CASSARLY WILLIAM J
    • G02B6/26
    • G02B6/0061G02B6/0036G02B6/004G02B6/0043G02B6/0058G02B6/0065
    • In one embodiment, a method of defining an array of extractor elements configured to extract light from a light guide, and thereby produce a desired spatial light pattern E T quantifying optical output at a plurality of locations across the light guide is provided. The method comprises calculating a first spatial light pattern produced by a first array of extractor elements. The first spatial light pattern quantifies optical output at the plurality of locations across the light guide. The method further comprises determining a ratio Rof the optical output of the desired spatial light pattern to an optical output of the first spatial light pattern. The method further comprises determining a modified ratio R', wherein R' = R a and laI
    • 在一个实施例中,一种限定提取器元件的阵列的方法,所述提取器元件的阵列被配置为从光导中提取光,并且由此产生在光的多个位置上量化光输出的期望的空间光图案E 提供指导。 该方法包括计算由第一抽取器元件阵列产生的第一空间光图案。 第一空间光图案在光导的多个位置上量化光输出。 该方法还包括确定所需空间光图案的光输出与第一空间光图案的光输出的比率Rof。 该方法进一步包括确定修正比率R',其中R'= R a 1和I 1 <1。该方法还包括通过缩放第一数据的特征来确定提取器元件的第二阵列的特性 提取器元件数组通过改变的比率R'。
    • 10. 发明申请
    • OPTICAL APPARATUS WITH FLIPPED COMPOUND PRISM STRUCTURES
    • 带有复合棱柱结构的光学设备
    • WO2007081632B1
    • 2007-09-07
    • PCT/US2006061941
    • 2006-12-12
    • OPTICAL RES ASSOCIATESAVERY DENNISON CORPCASSARLY WILLIAM J
    • CASSARLY WILLIAM J
    • G02B5/02F21V8/00G02F1/13357
    • G02B6/0053G02B5/045G02B6/0025G02B6/0028G02B6/0046
    • An optical apparatus comprises a light source, an optical member and a spatial light modulator. The optical member comprises optically transmissive material and has a textured major surface receiving light from the light source. The textured surface comprises first and second pluralities of non-intersecting elongate features. The pluralities are angled with respect to each other by less than about 90° and intersect each other so as to form total internal reflection structures. The spatial light modulator has rows or columns of pixels for receiving light from the optical member at a major surface. The light source may be (i) a light guide, or (ii) a source of light providing, to the optical member, light having a peak luminance that is shifted from a normal direction to the textured major surface by more than about 30°.
    • 一种光学设备包括光源,光学构件和空间光调制器。 光学构件包括光学透射材料并且具有接收来自光源的光的带纹理的主表面。 纹理表面包括第一和第二多个不相交的细长特征。 多个相互之间的角度小于约90°,并相互交叉以形成全内反射结构。 空间光调制器具有用于在主表面处接收来自光学构件的光的像素的行或列。 光源可以是(i)光导,或(ii)光源,其向光学构件提供具有从法线方向偏移到纹理化主表面大于大约30°的峰值亮度的光 。