A method of controlling a lighting arrangement, a lighting controller and a lighting system

A lighting device and controller technology, which is applied in the field of lighting systems, can solve problems such as inability to install and large capacitors, and achieve the effects of improving efficiency, minimizing peak power, and improving power factor

Active Publication Date: 2015-12-23
SIGNIFY HOLDING B V
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this case the capacitor may be

Method used

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[0079] The present invention provides a lighting controller and method in which the light source is excited in a repeating overlapping sequence for a repeating duration. The end of the duration for one light source is detected to trigger the turning on of the next light source in the sequence. This provides non-overlapping control of the light source and provides a required controller that is efficient and easy to implement.

[0080] The following embodiments are all lighting devices based on three light sources. However, the present invention can be applied to two light sources or more than three light sources. Each light source can include a single LED or a string of LEDs. In addition, the present invention is not limited to LEDs, and the same concept can be applied to other light source devices. However, the present invention is particularly suitable for LED lighting systems with two or more channels and occasions where space for drivers is limited, such as linear light source

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Abstract

A lighting controller and method has light sources which are activated for a respective lighting duration in a repeating non-overlapping sequence. The end of the lighting duration for one light source is detected for triggering the switching on of the next light source in the sequence. This provides non-overlapping control of the light sources and provides an efficient and easy to implement the required controller.

Description

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Claims

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Application Information

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Owner SIGNIFY HOLDING B V
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