An LED element of an LED stream has an LED and a hollow seat for holding
the LED. The LED has a body and two pins extended from a bottom face of
the body. The hollow seat has two opposite through side holes defined in
an outside of the hollow seat. To assemble the LED element, the LED with
the two pins upwardly plugs to inside of the hollow seat. Then the two
pins respectively and outwardly pass through the corresponding through
side hole of the seat until the body is held by an upper portion of the
hollow seat.