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    • 3. 发明授权
    • Light pipe with side-light extraction
    • 光管采用侧光提取
    • US07194184B2
    • 2007-03-20
    • US10797761
    • 2004-03-10
    • Roger F. Buelow, IIChris H. JensonJohn M. Davenport
    • Roger F. Buelow, IIChris H. JensonJohn M. Davenport
    • G02B6/00
    • G02B6/001G02B6/02033Y10S385/901
    • A light pipe with uniform side-light emission has a core comprising a polymer, and a fluoropolymer cladding on the core with a lower refractive index than the core. Light-scattering material is distributed within the core along an active section of light pipe in which side-light emission is desired, with a density gradient chosen to achieve uniform side-light emission. Another light pipe with uniform side-light emission has a core comprising a polymer, and a fluoropolymer cladding on the core with a lower refractive index than the core. Light-scattering material is distributed within at least one of the cladding and the core along an active section of light pipe in which side-light emission is desired, with a density gradient chosen to yield uniform side light emission, and substantially only in a radial swath, along the longitudinal axis of the light pipe, of substantially less than 360 degrees.
    • 具有均匀侧光发射的光管具有包含聚合物的芯和在芯上的含氟聚合物包层,其折射率低于芯。 光散射材料沿着期望侧发光的光管的有源部分分布在芯内,其中选择密度梯度以实现均匀的侧光发射。 具有均匀侧光发射的另一光管具有包含聚合物的芯和在芯上的含氟聚合物包层,折射率低于芯。 光散射材料沿着需要侧光发射的光管的有源部分分布在至少一个包层和芯中,其中选择密度梯度以产生均匀的侧光发射,并且基本上仅在径向 沿着光管的纵向轴线的条纹大致小于360度。
    • 5. 发明授权
    • Side-light extraction by light pipe-surface alteration and light-extraction devices extending radially beyond the outer cladding
    • 通过光管表面改变和光提取装置的侧光提取径向延伸超出外包层
    • US07164819B2
    • 2007-01-16
    • US10797383
    • 2004-03-10
    • Chris H. JensonJohn M. DavenportRoger F. Buelow, IIBrian Doucet
    • Chris H. JensonJohn M. DavenportRoger F. Buelow, IIBrian Doucet
    • G02B6/26
    • G02B6/001G02B6/02033
    • A light pipe with side-light extraction by light pipe-surface alteration includes an optical light pipe with a plastic light-carrying portion covered with a fluoropolymer cladding. A plurality of light-extraction devices is spaced along an active section of the light pipe for emission of side light over only a range from about 2 to 270 degrees of the cross-sectional circumference of the light pipe in the active section. The light-extraction devices have inlets passing through the cladding and optically contacting the plastic light-carrying portion. Another form of light pipe with side-light extraction by light pipe-surface alteration includes an optical light pipe with a plastic light-carrying portion. An active section of the light pipe for side light emission comprises an axisymmetrical change of area of cross section of the light pipe that generally diminishes from an inlet end of the active section, through the active section.
    • 具有通过光管表面改变的侧光提取的光管包括具有覆盖有氟聚合物包层的塑料携带部分的光学光管。 多个光提取装置沿着光管的有效部分间隔开,仅在有源部分中的光管的横截面周边的约2至270度的范围内发射侧光。 光提取装置具有通过包层的入口并且与塑料光携带部分光学接触。 通过光管表面改变的侧光提取的另一种形式的光管包括具有塑料携带部分的光学光管。 用于侧光发射的光管的有源部分包括通过有源部分通常从有源部分的入口端减小的光管的横截面的轴对称变化。
    • 6. 发明申请
    • Light Pipe with Directional Side-Light Extraction
    • 具有定向侧光提取的光管
    • US20080144330A1
    • 2008-06-19
    • US12038610
    • 2008-02-27
    • Roger F. BuelowJohn M. DavenportChris H. Jenson
    • Roger F. BuelowJohn M. DavenportChris H. Jenson
    • G02B6/00
    • G02B6/001
    • A light pipe with directional side-light extraction comprises a light pipe and light-extraction structure applied to the light pipe over only a part of the cross-sectional perimeter of the light pipe and over an active section of the length of the light pipe in which directional side lighting is desired. The light-extraction structure comprises any of (i) material, other than a light-carrying portion of the light pipe or any fluoropolymer cladding on the light-carrying portion, including light-scattering material, (ii) surfaces treated to have light-scattering properties, and (iii) material with a reflective property. The foregoing light pipe eliminates the need for using a reflector, as with fluorescent lamps, by extracting the light only in the desired direction, towards a target area to be illuminated. Other embodiments of the invention promote uniformity in side light emission from a light pipe.
    • 具有定向侧光提取的光管包括光管和光提取结构,其仅在光管的横截面周边的一部分上并且在光管的长度的有效部分上施加到光管 需要哪个方向侧照明。 所述光提取结构包括(i)除了光管的载光部分之外的材料或在光载体部分上的任何含氟聚合物包层的材料,包括光散射材料,(ii)被处理成具有光散射材料的表面, 散射性,以及(iii)具有反射性的材料。 上述光管不需要像荧光灯那样通过仅在期望的方向上将光提取到要照明的目标区域上来使用反射器。 本发明的其他实施方案提高了从光管的侧光发射的均匀性。
    • 9. 发明授权
    • Fiberoptic luminaire with scattering and specular side-light extractor patterns
    • 具有散射和镜面侧光提取器图案的光纤灯具
    • US07330632B1
    • 2008-02-12
    • US11466645
    • 2006-08-23
    • Roger F. Buelow, IIWilliam J. CassarlyThomas L. R. DavenportJohn M. DavenportChris H. Jenson
    • Roger F. Buelow, IIWilliam J. CassarlyThomas L. R. DavenportJohn M. DavenportChris H. Jenson
    • G02B6/00F21S8/06
    • A47F3/001F21W2131/405G02B6/001
    • Fiberoptic luminaire with scattering and specular side-light extractor patterns comprises a fiberoptic light pipe with elongated side-fight emitting portion. Such portion illuminates a target area with a scattering, and a specular, light extractor pattern. The extractor patterns are arranged to extract light from the side-light emitting portion over a radial angle, orthogonal to said main axis, of less than 180°. The scattering extractor pattern atone may provide greater than 50% of light on the target area, and light extracted by the specular extractor pattern alone may produce an illuminance on a selected portion of the target area that is greater than 5% of the maximum illuminance produced on the target area by the scattering extractor pattern. Furthermore, the scattering extractor pattern may comprise a Lambertian type of extractor pattern. Each specular extractor pattern may comprise a notch having main faces parallel to within 10° of each other.
    • 具有散射和镜面侧光提取器图案的光纤灯具包括具有细长侧面发射部分的光纤光管。 这样的部分用散射照射目标区域和镜面的光提取器图案。 提取器图案被布置成在垂直于所述主轴线的径向角度上从侧发光部分提取小于180°的光。 散射提取器图案atone可以在目标区域上提供大于50%的光,并且单独的镜面提取器图案提取的光可以在目标区域的选定部分上产生大于所产生的最大照度的5%的照度 通过散射提取器图案在目标区域上。 此外,散射提取器图案可以包括朗伯类型的提取器图案。 每个镜面提取器图案可以包括具有平行于彼此在10°以内的主面的凹口。