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有機發光二極體 Organic Light-Emitting Diodes 講師 : 侯政杰 2014/05/09

有機發光二極體 Organic Light-Emitting Diodes 講師 : 侯政杰 2014/05/09. Outline. Organic Light-Emitting Diodes Motivation How OLED works Types of OLEDs Advantages and Challenges Current and Future Applications OLED Display and OLED Lighting Technology and Market Forecast OLED Display

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有機發光二極體 Organic Light-Emitting Diodes 講師 : 侯政杰 2014/05/09

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  1. 有機發光二極體 Organic Light-Emitting Diodes 講師 : 侯政杰 2014/05/09

  2. Outline Organic Light-Emitting Diodes • Motivation • How OLED works • Types of OLEDs • Advantages and Challenges • Current and Future Applications OLEDDisplay and OLED Lighting Technology and Market Forecast OLED Display • New OLED Display Products • Technology Challenges and New Progress • OLED Suppliers and New Fab Activities • Past 11 Years • Future 7 Years OLED Lighting • Market Drivers • OLED Lighting Challenges • OLED Lighting Market Forecast

  3. Motivation 41 in Samsung Prototype

  4. How OLED Works • Cathode • Emissive Layer • Conductive Layer • Anode • Substrate

  5. How OLED Works • Voltage applied across Cathode and Anode • Typically 2V-10V • Current flows from cathode to anode • Electrons flow to emissive layer • Electrons removed from conductive layer leaving holes • Holes jump into emissive layer • Electron and hole combine and light emitted

  6. How OLED Works • Different Colors • type of organic molecule in the emissive layer • 3 molecules used -RGB • Intensity/brightness • amount of current

  7. Types of OLEDs • Passive-matrix OLED • Active-matrix OLED • Transparent OLED • Top-emitting OLED • Flexible OLED • White OLED

  8. Passive-Matrix OLED (PMOLED) • Perpendicular cathode/anode strip orientation • Light emitted at intersection (pixels) • External circuitry • Turns on/off pixels • External circuitry • Large power consumption • Used on 1-3 inch screens • Alphanumeric displays

  9. Active-Matrix OLED (AMOLED) • Full layers of cathode, anode, organic molecules • Thin Film Transistor matrix (TFT) on top of anode • Internal circuitry to determine which pixels to turn on/off • Less power consumed then PMOLED • Used for larger displays

  10. Transparent OLEDTOLED • Transparent substrate, cathode and anode • Bi-direction light emission • Passive or Active Matrix OLED • Useful for heads-up display • Transparent projector screen • glasses

  11. Top-emitting OLEDTEOLED • Non-transparent or reflective substrate • Transparent Cathode • Used with Active Matrix Device • Smart card displays

  12. Flexible OLED • Flexible metalic foil or plastic substrate • Lightweight and durable • Reduce display breaking • Clothing OLED

  13. White OLED • Emits bright white light • Replace fluorescent lights • Reduce energy cost for lighting • True Color Qualities

  14. White OLED Cellphone backlight white OLED vs standard LED from Organic Lighting Technologies LLC

  15. OLED Advantages over LED and LCD • Thinner, lighter and more flexible • Plastic substrates rather then glass • High resolution (<5um pixel size) and fast switching (1-10um) • Do not require backlight, light generated • Low voltage, low power and emissive source • Robust Design (Plastic Substrate) • Larger sized displays • Brighter- good daylight visibility • Larger viewing angles -170o

  16. OLED Disadvantages • Lifetime • White, Red, Green  46,000-230,000 hours • About 5-25 years • Blue  14,000 hours • About 1.6 years • Expensive • Susceptible to water • Overcome multi-billion dollar LCD market

  17. Flexible OLEDs

  18. Flexible OLEDs

  19. OLED lighting

  20. OLED lighting

  21. OLED TV

  22. Transparent OLEDs

  23. 有機發光二極體之顯示與照明技術及產業發展 OLEDDisplay and OLED Lighting Technology and Market Forecast

  24. Outline • OLED Display • New OLED Display Products • Technology Challenges and New Progress • OLED Suppliers and New Fab Activities • Past 11 Years • Future 7 Years • OLED Lighting • Market Drivers • OLED Lighting Challenges • OLED Lighting Market Forecast • Summary and Strategies

  25. The World’s First >100” OLED Display is Passive Matrix

  26. New AMOLED Products in the Market - Small Size

  27. New AMOLED Products in the Market - Medium/Large Size

  28. iPhone 4 vs. Samsung Galaxy S

  29. AM OLED vs. AM LCD

  30. Obstacles and Solutions for OLED TV

  31. OLED Displays Shipment Share

  32. AMOLED Supply and Demand

  33. Past 11 years

  34. Past 11 years

  35. Long-Term Annual Revenue Forecast

  36. AMOLED Entrance into Medium/Large Applications

  37. Market Drivers for OLED Lighting

  38. OLED Display and Lighting Differences

  39. OLED Lighting: Opportunity is Evolving

  40. OLED Lighting Market Forecast

  41. Summary and Business Recommendations

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