Publications

INTRODUCTION

LED RELIABILITY

FAILURE MODES AND MECHANISMS IN LED’s

Defect and Dislocation generation and Movement
Die Cracking
Dopant Diffusion
Electromigration
Electrical Overstress Induced Bond Wire Fracture/Wire Ball Bond Fatigue
Electrical Contact Metallurgical Interdiffusion
Electrostatic Discharge
Delamination
Encapsulant Yellowing
Lens Cracking
Phosphor Thermal Quenching
Solder Joint Fatigue

CHALLENGES IN LED RELIABILITY ACHIEVEMENT DUE TO LACK OF THERMAL STANDARDIZATION