LIGHTING DEVICE AND METHOD FOR DRIVING A LIGHTING DEVICE

    公开(公告)号:WO2021239575A1

    公开(公告)日:2021-12-02

    申请号:PCT/EP2021/063467

    申请日:2021-05-20

    Abstract: The present disclosure provides a lighting device (1) for emitting light of variable colour or colour temperature, wherein the lighting device (1) comprises at least a first light emitting device (2), which is provided to emit light of a first colour or first colour temperature (L1), and comprises at least a second light emitting device (3), which is provided to emit light of a second colour or second colour temperature (L2), and comprises a control unit (4), which comprises a control device (5), wherein the control device (5) comprises a control element (6) and a signal processing element (7) for receiving an external time signal (S1) and for providing a time-dependent control signal (S2) to the control element (6), and wherein the control element (6) is provided for driving the first light emitting device (2) and the second light emitting device (3) in a time-dependent way such that the colour or colour temperature of the light emitted by the lighting device (1) is variable over time. Furthermore, the present disclosure provides a method for driving a lighting device (1).

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