Abstract: An illuminator includes an upper shell, a lower shell, an LED array and at least one fan. The upper shell includes a first outlet portion extending downward and inward from an inlet portion. The inlet portion includes at least one entrance. The first outlet portion includes a row of vents. The lower shell is made of thermally conductive metal and includes primary radiator fins extending from an upper face of a substrate. The lower shell is connected to the upper shell to form a tubular structure. The LED array is connected to a lower face of the lower shell and includes light-emitting diodes. The at least one fan is inserted in the tubular structure, connected to the inlet portion, and aligned with the at least one aperture.

Abstract: An illuminator includes an upper shell, a lower shell, an LED array and at least one fan. The upper shell includes a first outlet portion extending downward and inward from an inlet portion. The inlet portion includes at least one entrance. The first outlet portion includes a row of vents. The lower shell is made of thermally conductive metal and includes primary radiator fins extending from an upper face of a substrate. The lower shell is connected to the upper shell to form a tubular structure. The LED array is connected to a lower face of the lower shell and includes light-emitting diodes. The at least one fan is inserted in the tubular structure, connected to the inlet portion, and aligned with the at least one aperture.

Abstract: An LED lamp includes a shell, a holder, LED strings and a circuit board. The shell includes a top strip and two lateral strips each of which includes a curved section extending from the top strip, a hemi-circular section extending from the curved section, and a straight section extending from the hemi-circular section and including a reflective face. The holder is inserted in the shell and formed with a middle strip and two lateral strips each of which includes an upper section extending above the middle strip and a lower section extending below the middle strip. The lower section of each lateral strip of the holder is inserted in a groove defined by the hemi-circular section of a corresponding lateral strip of the shell. The LED strings are connected to the holder. The circuit board is connected to the holder.