A Photolithographic Process for the Preparation of OLED Displays

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 



Patent Category: 


A new lithographic technique which helps in reducing the number of etching defects on substrates for OLED displays.

Key Features: 

  • The fabrication process of organic light emitting diode [OLED) displays is cost effective
  • It removes defects such as dead pixel, dark columns and bright horizontal rows
  • It fabricates defect free panels
  • Higher production yield is obtained
  • Drastically reduces the number of anode shorts in a substrate for OLED display.


  • Can be used mainly but not limited to increasing production yield of OLED display production.
  • Can be used for certain multilayer patterning also

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