Lighting device, lighting system and use thereof
A technology for lighting equipment and lighting systems, applied in lighting and heating equipment, lighting devices, lighting devices, etc., can solve problems such as poor risk of blue hazard, and achieve the effects of less aggression, better sleep, prolonged attention and vitality
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[0063] figure 1 A lighting device 1 is shown, in the figure a desk lamp, comprising a light source 3 inside a housing 5 with a reflector 7, but alternatively the reflector may be absent or a diffuser, the housing being via a flexible The hinge lever 9 is connected to the base 11 . The base includes a control unit 13 , an intensity adjustment button 15 and a first control button 17 . The lighting device is connectable to mains via a cable 19 . The light source comprises a plurality of LEDs 21 comprising at least a first lighting element 23 and a second lighting element 25 . The embodiment shown in the figures also comprises at least one green-emitting LED 22 as a third lighting element and at least one orange-red emitting LED 24 as a fourth lighting element. Both the first and second lighting elements may be a single LED or a plurality of LEDs. The lighting device emits with its light source a preferably white spectral beam 31 , which is the source light tuned via the contr...
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