LIGHT-EMITTING DIODE

LED – parts and construction

Parts of a light-emmiting diode:

1 – Anode
2 – Cathode
3 – Flat spot
4 – Post Leadframe
5 – Anvil Leadframe
6 – Semiconductor die
7 – Reflective cavity
8 – Wire bond
9 – Epoxy lens/case

LED SMD

Surface-mount device (SMD) and surface-mount technology (SMT)

1 – SMD device
2 – connectors
3 – lut4 – glue
5 – conductive paths
6 – base (PCB plate)