Abstract: Electric lamps of the type embodying a lampshade, particularly a combination louvre and baffle which diffuses the electric light through the sides of the lampshade. The louvre is positioned above the electric light fixtures, so as to reflect and diffuse light radiating upwardly and the baffle is positioned at the side of the electric light source so as to diffuse laterally light through the lampshade.

Abstract: A lamp adaptor for use with a conventional electric lamp, such that enhanced indirect lighting capability is provided. The lamp adaptor includes a top baffle which directs the light upwardly and outwardly of the shade and simultaneously downwardly through the sides of the shade. The lamp adaptor has a threaded exterior male plug which is engageable with a conventional electric bulb socket in a table or floor lamp and includes a plurality of downwardly extending axial support struts which may engage a support collar encircling the conventional electric bulb socket. The lamp adaptor provides indirect as well as direct lighting capability in conventional electric lamps.