1. A blue organic light emitting diode and method of fabrication thereof,
    K N Narayanan Unni, Girija Samal, Deepak Gupta, 2214/DEL/2008 dated 22/09/200
  2. A New Photolithographic Processing Technique for fabricating Defect-Free Organic Light Emitting Diode Displays, A. Solanki, K N Narayanan Unni, A. Awasthi 2538/DEL/2012 dated 16/08/2012