OLED Technology Seminar PPT with PDF Report: We have discussed here six types of OLED and they are Passive matrix OLED(PMOLED), Active matrix OLED(AMOLED), Transparent OLED(TOLED), Top emitting OLED, Flexible OLED(FOLED) and White OLED(WOLED).

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OLED Technology Seminar PPT with PDF Report


  • Flexibility.
  • Emissive Technology.
  • Light weight and thin.
  • Low power consumption.
  • High contrast, brighter and perfect display from all angles.

OLED Fabrication

  • Substrate preparation.
  • Device deposition
    • Deposit and pattern anode.
    • Pattern organic layers.
    • Vacuum deposit and pattern cathode.
  • Substrate preparation.
  • Encapsulation.
  • Also involves making backplane.

Working Principle

  • A voltage is applied across the anode and cathode.
  • Current flows from cathode to anode through the organic layers.
  • Electrons flow to emissive layer from the cathode.
  • Electrons are removed from conductive layer leaving holes.
  • Holes jump into emissive layer .
  • Electron and hole combine and light emitted.

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OLED Advantages

  • Thinner, lighter and more flexible.
  • Do not require backlighting like LCDs.
  • Can be made to larger sizes.
  • Large fields of view, about 170 degrees.
  • Faster response time.
  • Brighter.
  • High resolution, <5μm pixel size.

 OLED Disadvantages

  • Expensive
  • Lifespan
  • Water damage.
  • Colour balance issues.

Applications of OLED

Major applications of OLED technology are

  • OLED TV.
  • Mobile phones with OLED screens.
  • Rolltop Laptop.

Content of the Seminar and pdf report for OLED Technology

  • Introduction
  • What is an OLED?
  • History
  • Features
  • Structure of OLED(Figure)
  • OLED Fabrication
  • OLED Deposition
  • Types of OLED
  • OLED Advantages
  • OLED Disadvantages
  • Applications
  • Conclusion
  • References

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