Patent ID: 7556398

Claim:
A lighting unit, comprising: a first light element formed as a conventional light source and including a second lamp cap; and a second light element, comprising: a housing; a conventional lamp cap; a plurality of protruding elements extending outwardly from the housing, the plurality of protruding elements bearing a plurality of LEDs, wherein each protruding element of the plurality of protruding elements comprises a hinge that enables the protruding element to rotate around at least one axis tangential to the housing, the hinge being located between ends of the protruding element; and a fitting to fittingly receive the first light element, wherein the housing substantially surrounds the fitting, wherein: the first and the second light elements are removably attached via the fitting and the second lamp cap, and the fitting and the second lamp cap provide electrical and mechanical connection between the first and the second light elements, the lighting unit further comprising a rotational axis defined by the conventional lamp cap, the second lamp cap and the fitting of the LED module, wherein the plurality of protruding elements are rotatable around the rotational axis with respect to the housing.