LIGHTING DEVICE WITH USER INTERFACE FOR LIGHT CONTROL

摘要

The invention relates to a lighting device ( 1 ) comprising a lighting unit ( 2 ) and a user interface ( 3 ) for controlling the lighting colour and/or intensity of the lighting unit ( 2 ). The user interface ( 3 ) comprises a sensing device ( 5 ) with a large number of conductive elements ( 6 ), which responds to the proximity of a conductive object, like for instance a human finger pointing to the user interface ( 3 ). The user interface ( 3 ) can be based on proximity sensing or on touch-control. In both cases an element ( 6 ) on the outer surface ( 4 ) of the user interface ( 3 ) is selected, which corresponds to one of the selectable colours and/or intensities of the lighting unit ( 2 ). The selected element ( 6 ) generates an output signal which is sent to a processing unit ( 9 ), which converts this output signal into a driving signal suitable for the driver circuit ( 8 ) to drive the light sources ( 7 ).