A 3 hour training session on the LPCXpresso IDE was held at FTF 2016, and the training materials from that course are available here:
DES-N1973 Hands-On Workshop Master Development on the LPCXpresso Toolchain with Our LPCOpen Developm...
If you want to see training presented, a slightly older and shorter training session, presented by Andy Beeson, is available here:
Rapid Embedded Development with LPCXpresso|NXP
