LIGHT SOURCE WITH ADJUSTABLE BRIGHTNESS AND LIGHT TEMPERATURE COLOUR SHIFT Russian patent published in 2014 - IPC G09G3/36 

Abstract RU 2523438 C2

FIELD: electricity.

SUBSTANCE: invention refers to luminaires and their controls. Result is achieved by a luminaire (1) including: network input contacts (2, 3), power source (30) with input contacts (31, 32) connected to network input contacts, and three output contacts (33. 34, 35), where one of the output contacts is a common output contact (35). First output (36) is defined by the first output contact and the common output contact, second output (37) is defined by the second output contact and the common output contact. First LED sequence (110) is connected to the first output of power source in series with first resistor (120). Second LED sequence (210) is connected to the second output of power source in series with second resistor (220).

EFFECT: luminaire design with multiple LEDs as light sources, capable of brightness fading along with light output shift to lower colour temperature.

8 cl, 2 dwg

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RU 2 523 438 C2

Authors

Zauehrlender Georg

Dates

2014-07-20Published

2010-06-09Filed