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    • 3. 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。
    • 5. 发明授权
    • Luminaire with improved lateral illuminance control
    • 灯具具有改进的横向照度控制
    • US07374313B2
    • 2008-05-20
    • US11366711
    • 2006-03-02
    • William J. CassarlyThomas L. R. DavenportJohn M. DavenportChris H. Jenson
    • William J. CassarlyThomas L. R. DavenportJohn M. DavenportChris H. Jenson
    • F21V8/00F25D27/00
    • G02B6/001
    • A luminaire with improved lateral illuminance control comprising a light pipe with a longitudinal center is disclosed. A light-extraction means applied to a radial swath of the light 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。 施加到光管的径向条带的光提取装置具有沿其长度的纵向部分的纵向部分,纵向地围绕光管的切片; 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。
    • 6. 发明授权
    • Efficient luminaire with directional side-light extraction
    • 高效照明器具有方向侧光提取
    • US07163326B2
    • 2007-01-16
    • US11108279
    • 2005-04-18
    • William J. CassarlyThomas L. R. DavenportJohn M. DavenportChris H. Jenson
    • William J. CassarlyThomas L. R. DavenportJohn M. DavenportChris H. Jenson
    • F21S8/06
    • G02B6/001F21W2131/305G02B6/0061
    • A luminaire with directional side-light extraction comprises a light pipe with a light-carrying core. The light pipe has light-extraction structure along a first longitudinal side of the luminaire, which is confined to a radial swath of the luminaire, along the longitudinal axis of the luminaire, of substantially less than 180°. For efficiency, the second end has light-saving structure for directing saved light from the second end towards the first end, at redirection angles other than an excluded range of redirection angles, so long as the photon content of light at so-called alpha redirection angles is at least 10 percent of the photon content of light at so-called beta redirection angles, where the excluded range of redirection angles is defined by: |βr|
    • 具有定向侧光提取的灯具包括具有轻载芯的光管。 光管具有沿着照明器的第一纵向侧的光提取结构,其沿着照明器的纵向轴线限制在照明器的径向条纹上,基本上小于180°。 为了效率,第二端具有节省光的结构,用于将保存的光从第二端朝向第一端,除了排除的重定向角度之外的重定向角度,只要所谓的α重定向的光的光子含量 角度是所谓的β重定向角度的光的光子含量的至少10%,其中重定向角度的排除范围由以下定义:<?in-line-formula description =“In-line Formulas”end =“lead “?> |β | <= 20°和|α| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -formulae description =“In-line Formulas”end =“tail”?>其中beta是重定向角度,而α是α重定向角度。
    • 7. 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。
    • 9. 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。