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    • 19. 发明授权
    • Lighting device with variable color rendering based on ambient light
    • 基于环境光的可变色彩照明装置
    • US09066405B2
    • 2015-06-23
    • US13561388
    • 2012-07-30
    • Antony Paul van de Ven
    • Antony Paul van de Ven
    • H05B37/02H05B33/08
    • H05B33/0872H05B33/0854H05B33/0869
    • The present disclosure relates to an LED-based lighting component that can control the color rendering capability of its generated light based on the presence or characteristics of ambient light. In one embodiment, the lighting component may employ at least two different types of LEDs to generate light. Control circuitry of the lighting component is able to monitor ambient light and drive the LEDs based on an ambient light characteristic that is indicative of the CRI of the ambient light. If the ambient light characteristic is indicative of the ambient light having a lower CRI, the control system will drive the LEDs to emit light with a defined CRI. If the ambient light characteristic is indicative of the ambient light having a higher CRI, the control system will drive the LEDs to emit light with a reduced CRI, which is lower than the defined CRI.
    • 本发明涉及基于LED的照明部件,其可以基于环境光的存在或特性来控制其产生的光的显色能力。 在一个实施例中,照明组件可以采用至少两种不同类型的LED来产生光。 照明部件的控制电路能够基于指示环境光的CRI的环境光特性来监视环境光并驱动LED。 如果环境光特性指示具有较低CRI的环境光,则控制系统将驱动LED以具有定义的CRI发光。 如果环境光特性指示环境光具有更高的CRI,则控制系统将驱动LED以比所定义的CRI低的CRI降低的发光。