1. Organic Light-Emitting Diodes
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
OLED Display 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. Intensity/brightness
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
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 OLED TOLED
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 OLED TEOLED
Non-transparent or reflective substrate
Transparent Cathode
Used with Active Matrix Device
Smart card displays

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

13. Emits bright white light Replace fluorescent lights
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. Overcome multi-billion dollar LCD market
OLED Disadvantages
Lifetime
White, Red, Green  46, ,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
OLED Display 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