Rotatable bulb and bulb group

Abstract

Provided is a rotatable bulb that includes a lampshade having a lampshade body portion and a lampshade connection portion located at the bottom of the lampshade body portion, a light-emitting element, a driving unit electrically connected to the light-emitting element, and a base being connected to the lampshade connection portion by means of a connection housing for electrically connecting the rotatable bulb to a socket, the light-emitting element being arranged in an inner space of the lampshade, the connection housing and/or the base, the connection housing being connected between the lampshade and the base, and the lampshade connection portion being rotatable relative to the connection housing so that a user can manually adjust the rotation angle of the lampshade of the rotatable bulb relative to the base, and can fit the rotatable bulb to various sockets as required.

Dependencies are inferred from the claim text.