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    • 31. 发明授权
    • Digitally controlled luminaire system
    • 数控照明系统
    • US07319298B2
    • 2008-01-15
    • US11314190
    • 2005-12-21
    • Paul JungwirthShane P. RobinsonIngo SpeierIan Ashdown
    • Paul JungwirthShane P. RobinsonIngo SpeierIan Ashdown
    • G05F1/00
    • H05B33/0869H05B33/086H05B33/0863H05B33/0872Y10S362/80
    • The present invention provides a luminaire system capable of generating light of a desired chromaticity and luminous flux output during continuous operation with varying ambient operating temperature. The luminaire system can be further capable of maintaining a desired correlated colour temperature during dimming of the luminaire. The luminaire system comprises one or more arrays of light-emitting elements for generating light with a current driver system coupled thereto for selectively supplying electrical drive current to each of the arrays, wherein the current driver system is responsive to drive signals received from a controller. The luminaire system further comprises an optical sensor system for generating optical signals representative of chromaticity and luminous flux output of the light. A heat sensing system is operatively coupled to the one or more arrays for generating signals representative of the junction temperatures of arrays of light-emitting elements during operation. The luminaire system further comprises a controller that is operatively connected to the current driver system, the optical sensor system and the heat sensing system for receiving the signals generated by each of these systems and is configured to generate one or more drive signals for transmission to the current driver system in response to the optical signals and thermal signals received from the optical system and the heat sensing system, respectively, thereby enabling a desired level of control of the output light.
    • 本发明提供了一种能够在具有变化的环境工作温度的连续操作期间产生期望的色度和光通量输出的光的照明系统。 在照明器的调暗期间,照明系统还能够保持期望的相关色温。 照明器系统包括一个或多个发光元件阵列,用于产生具有耦合到其上的电流驱动器系统的光,用于选择性地向每个阵列提供电驱动电流,其中当前驱动器系统响应于从控制器接收的驱动信号。 照明系统还包括用于产生表示光的色度和光通量输出的光信号的光学传感器系统。 热感测系统可操作地耦合到一个或多个阵列,用于在操作期间产生表示发光元件阵列的结温的信号。 灯具系统还包括可操作地连接到当前驱动器系统,光学传感器系统和热感测系统的控制器,用于接收由这些系统中的每一个产生的信号,并且被配置为产生一个或多个驱动信号以传输到 电流驱动器系统,分别响应从光学系统和热感测系统接收的光信号和热信号,从而实现对输出光的期望水平的控制。
    • 32. 发明申请
    • Lighting system including photonic emission and detection using light-emitting elements
    • 照明系统包括使用发光元件的光子发射和检测
    • US20060028156A1
    • 2006-02-09
    • US11197283
    • 2005-08-04
    • Paul Jungwirth
    • Paul Jungwirth
    • H05B39/00
    • H05B33/0869H05B33/0815H05B33/0818
    • The present invention provides a system and method for generating light using light-emitting elements and detecting the intensity and spectral power distribution of light using the same light-emitting elements as spectrally sensitive photodetectors. The light-emitting elements function in two modes, an ON mode and an OFF mode, wherein in the ON mode the light-emitting elements are activated and emit light of a particular frequency or range of frequencies. When in the OFF mode, the light-emitting elements are deactivated, wherein they do not emit light but serve to detect photons incident upon them thus generating an electrical signal representative of the intensity and spectral power distribution of the incident photons. The detected signal from the deactivated light-emitting elements can be used to provide photonic feedback to a lighting system, and thereby may be used to control the brightness and colour balance of the lighting system. In addition, the light-emitting elements may be arranged such that no spectrally selective filters or optics are necessary to block or focus light onto the light-emitting elements when in the detection or OFF mode.
    • 本发明提供一种使用发光元件产生光的系统和方法,并且使用与光谱敏感光电探测器相同的发光元件检测光的强度和光谱功率分布。 发光元件在两种模式中起作用,即ON模式和OFF模式,其中在ON模式下,发光元件被激活并发射特定频率或频率范围的光。 当处于OFF模式时,发光元件被去激活,其中它们不发光,但用于检测入射到它们的光子,从而产生代表入射光子的强度和光谱功率分布的电信号。 来自去激活的发光元件的检测信号可以用于向照明系统提供光子反馈,从而可以用于控制照明系统的亮度和色彩平衡。 此外,发光元件可以被布置成使得当处于检测或关闭模式时,不需要光谱选择性滤光器或光学器件来将光阻挡或聚焦到发光元件上。