Definitions for "Lead frame"
an element of a semiconductor device, which supports a semiconductor chip thereon and electrically connects the semiconductor chip to an external circuit such as a circuit board
a structural element forming a semiconductor package with a semiconductor chip mounted thereon, and performs as a lead for connecting the semiconductor package to an external device and as a frame for supporting the semiconductor chip
To facilitate connections to and from the devices of the package, ICs are connected to lead frames.
The metal structure to which an LED die is attached for mechanical and electrical function.