Active lighting device to be worn on a person's wrist

An active lighting device to be worn on a person's wrist to light a path taken by the person wearing the lighting device, the lighting device being in the form of a wristwatch having at least a case closed by a crystal and a bracelet connected to a middle part of the case, or of a bracelet with electronic components, the device comprising:

• a plurality of first light sources, which are controlled by a control unit of the device, the plurality of first light sources being placed on a first portion of a case or of a bracelet;
• a plurality of second light sources which are controlled by the control unit, the plurality of second light sources being placed on a second portion of the case or of the bracelet, the second portion positioned on an opposite side of the case or bracelet from the first portion;
• and
• at least one motion sensor connected to the control unit to determine the wrist movement of the person wearing the device,
• wherein each first light source activated by the control unit is arranged to produce a light beam of different orientation from each of the other first light sources activated by the control unit,
• wherein each second light source activated by the control unit is arranged to produce a light beam of different orientation from each of the other second light sources activated by the control unit,
• wherein the plurality of first light sources are positioned adjacent each other on the first portion, and the plurality of second light sources are positioned adjacent each other on the second portion,
• wherein the control unit is arranged to select certain second light sources of the plurality of second light sources to be activated depending on the determined movement of the person's wrist, and
• wherein the control unit is arranged to select certain first light sources of the plurality of first light sources to be activated depending on said determined movement of the person's wrist in order to light the path to be followed in a same defined forward direction.