This course first review the fundamental knowledge about semiconductor physics and MOSFET transistors and go through various advanced silicon based devices and technologies, including NMOS, CMOS, CCD, TFT and SOI. Junction devices, namely bipolar junction transistors, tunnel diodes, heterojunction and quantum-well devices, and quantum dots, are introduced. Silicon based memory technologies, including DRAM, floating gate MOSFET, flash memory, are covered. The course also gives introduction to photonic devices, for examples, light emitting devices (LEDs), semiconductor lasers, photodetectors, and solar cells. Organic electronics, including organic light emitting diodes (OLEDs) and organic thin film transistors, and flexible electronic devices are described. (Not for students who have taken ELEG4301 or ELEG4510 or ESTR4210 or ESTR4216. Prerequisites: ELEG3301 or consent of the instructor.)