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    • 3. 发明授权
    • Co-extruded light pipe
    • 共挤光管
    • US6095673A
    • 2000-08-01
    • US8950
    • 1998-01-20
    • Kazuhiro GotoAndras GyimesDragos LucaRonal C. Du Pont
    • Kazuhiro GotoAndras GyimesDragos LucaRonal C. Du Pont
    • B29C47/00F21V8/00
    • G02B6/0008B29C47/0019B29C47/0026B29C47/00B29C47/003Y10S385/901
    • A light transmitting strip or light pipe 2 is used to illuminate an elongate area along which the light pipe 2 extends. The illumination is provided by light emanating laterally relative to the axis of the light pipe, and the light intensity is substantially uniform, at least to an observer, along the length of the light pipe 2. The light pipe 2 has a clear light guide section 4 and an opaque section 10 that is separated from the light guide section 4 by an air gap 8. The clear section 4 and the opaque section 10 are joined by top and bottom couplings 12 and 14, and the two sections are formed by coextruding an acrylic resin through a single coextrusion die. Light emitted laterally from the light guide 4 toward the arcuate opaque section 10 is reflected laterally through the clear light guide 4 transverse to the axis of the light pipe 2, so that all light extends through the front surface 6 of the light guide 4. By separating the reflecting opaque section 10 from the clear light guide 2 by an air gap 8, the lighting intensity can be more uniform over the length of the lighting strip or light pipe.
    • 透光条或光管2用于照亮光管2延伸的细长区域。 照明由相对于光管的轴线横向散发的光提供,并且光强度至少对于观察者而言沿着光管2的长度基本上是均匀的。光管2具有透明导光部分 4和不透光部分10,其通过气隙8与导光部分4分离。透明部分4和不透明部分10通过顶部和底部联接器12和14连接,并且两个部分通过共挤出 丙烯酸树脂通过单个共挤出模头。 从导光体4朝向弓形不透明部分10侧向发射的光横向于光导管2的轴线横向透过透明导光体4反射,使得所有光线延伸通过光导4的前表面6。 通过气隙8将反射不透明部分10与透明光导2分开,照明强度在照明条或光管的长度上可以更均匀。
    • 6. 发明授权
    • Light pipe providing wide illumination angle
    • 光管提供宽的照明角度
    • US08070343B2
    • 2011-12-06
    • US12429038
    • 2009-04-23
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • F21V7/04
    • G02B6/001
    • A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or more reflective surfaces not aligned with an inner surface are disposed such that when at least one reflective surface is illuminated, light is emitted from the light pipe at one or more specified angles of light emission. A plurality of reflection points are formed on the inner surface to cause the specified angles when at least one of the reflective surfaces is illuminated. A light pipe is also provided having one or more exterior protrusions configured to function as a secondary light source. A second portion of an outer surface of the light pipe has a radius of curvature which differs from the radius of curvature of the first portion of the outer surface.
    • 光管被配置为提供宽的有效照明角度,同时提供沿着光管的长度的光的基本上均匀的分布。 设置不与内表面对准的一个或多个反射表面,使得当至少一个反射表面被照亮时,以一个或多个特定的发光角度从光管发射光。 当反射表面中的至少一个被照亮时,在内表面上形成多个反射点以产生指定的角度。 还提供一种光管,其具有被配置为用作次级光源的一个或多个外部突出部。 光管的外表面的第二部分具有与外表面的第一部分的曲率半径不同的曲率半径。
    • 7. 发明申请
    • Light pipe providing wide illumination angle
    • 光管提供宽的照明角度
    • US20070217216A1
    • 2007-09-20
    • US11384679
    • 2006-03-19
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • G02B6/00
    • G02B6/001
    • A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or more reflective surfaces not aligned with an inner surface are disposed such that when at least one reflective surface is illuminated, light is emitted from the light pipe at one or more specified angles of light emission. A plurality of reflection points are formed on the inner surface to cause the specified angles when at least one of the reflective surfaces is illuminated. A light pipe is also provided having one or more exterior protrusions configured to function as a secondary light source. A second portion of an outer surface of the light pipe has a radius of curvature which differs from the radius of curvature of the first portion of the outer surface.
    • 光管被配置为提供宽的有效照明角度,同时提供沿着光管的长度的光的基本上均匀的分布。 设置不与内表面对准的一个或多个反射表面,使得当至少一个反射表面被照亮时,以一个或多个特定的发光角度从光管发射光。 当反射表面中的至少一个被照亮时,在内表面上形成多个反射点以产生指定的角度。 还提供一种光管,其具有被配置为用作次级光源的一个或多个外部突出部。 光管的外表面的第二部分具有与外表面的第一部分的曲率半径不同的曲率半径。
    • 9. 发明授权
    • Light pipe providing wide illumination angle
    • 光管提供宽的照明角度
    • US07585097B2
    • 2009-09-08
    • US11384679
    • 2006-03-19
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • F21V7/04
    • G02B6/001
    • A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or more reflective surfaces not aligned with an inner surface are disposed such that when at least one reflective surface is illuminated, light is emitted from the light pipe at one or more specified angles of light emission. A plurality of reflection points are formed on the inner surface to cause the specified angles when at least one of the reflective surfaces is illuminated. A light pipe is also provided having one or more exterior protrusions configured to function as a secondary light source. A second portion of an outer surface of the light pipe has a radius of curvature which differs from the radius of curvature of the first portion of the outer surface.
    • 光管被配置为提供宽的有效照明角度,同时提供沿着光管的长度的光的基本上均匀的分布。 设置不与内表面对准的一个或多个反射表面,使得当至少一个反射表面被照亮时,以一个或多个特定的发光角度从光管发射光。 当反射表面中的至少一个被照亮时,在内表面上形成多个反射点以产生指定的角度。 还提供一种光管,其具有被配置为用作次级光源的一个或多个外部突出部。 光管的外表面的第二部分具有与外表面的第一部分的曲率半径不同的曲率半径。
    • 10. 发明申请
    • LIGHT PIPE PROVIDING WIDE ILLUMINATION ANGLE
    • 灯管提供广泛的照明角度
    • US20090201697A1
    • 2009-08-13
    • US12429038
    • 2009-04-23
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • Kazuhiro GotoDragos LucaSalvatore Alesio
    • F21V7/04
    • G02B6/001
    • A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or more reflective surfaces not aligned with an inner surface are disposed such that when at least one reflective surface is illuminated, light is emitted from the light pipe at one or more specified angles of light emission. A plurality of reflection points are formed on the inner surface to cause the specified angles when at least one of the reflective surfaces is illuminated. A light pipe is also provided having one or more exterior protrusions configured to function as a secondary light source. A second portion of an outer surface of the light pipe has a radius of curvature which differs from the radius of curvature of the first portion of the outer surface.
    • 光管被配置为提供宽的有效照明角度,同时提供沿着光管的长度的光的基本上均匀的分布。 设置不与内表面对准的一个或多个反射表面,使得当至少一个反射表面被照亮时,以一个或多个特定的发光角度从光管发射光。 当反射表面中的至少一个被照亮时,在内表面上形成多个反射点以产生指定的角度。 还提供一种光管,其具有被配置为用作次级光源的一个或多个外部突出部。 光管的外表面的第二部分具有与外表面的第一部分的曲率半径不同的曲率半径。