White Light Emitting Zinc Based OLED

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 


Patent Category: 


Method for the manufacture of a white light emitting diode.

Key Features: 

  • White organic light-emitting diodes (OLEDs] having spectral width of approximately 260 nm in electroluminescence (EL] in a simple bilayer structure, consisting of TPD and zinc benzothiazole, without taking recourse to complex strategies such as blending and doping.
  • The EL is broader than the corresponding photoluminescence (PL] of both component materials and their structures.
  • A deconvolution of PL and EL spectra shows that as large as 60% of the broad EL emission originates from multiple exciplexes formed at the interface during electrical excitation.


  •  For organic light emitting device.
  •  LED lighting device companies, like Philips, Osram etc

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