1. LIFE SKILLS SEMINAR ORGANIC LIGHT EMITTING DIODES SUTHIN S S3 ECE ROLL NO:69

2. ORGANIC LIGHT EMITTING DIODES

3. OLED-ORGANIC LIGHT EMITTING DIODES
An OLED is an electronic device made by placing a series of organic thin films between two conductors. When electrical current is applied, a bright light is emitted.
A device that is 100 to 500 nanometers thick or about 200 times smaller than a human hair

4. FEATURES Flexibility Emissive technology Light weight and thin
Low power consumption
High contrast, brighter and perfect display from all angles

5. STRUCTURE OF OLED

6. HOW AN OLED EMITS LIGHT
The battery or power supply of the device containing the OLED applies a voltage across the OLED.
An electrical current flows from the cathode to the anode through the organic layers. (an electrical current is a flow of electrons)
At the boundary between the emissive and the conductive layers, electrons find electron holes.
The OLED emits light.

7. TYPES OF OLEDS r Passive-matrix Active-matrix Transparent Top-emitting
Flexible
White

8. PASSIVE MATRIX OLED

9. ACTIVE MATRIX OLED

10. TRANSPARENT OLED

11. TOP EMITTING OLED

12. FLEXIBLE OLED

13. WHITE OLED

14. ADVANTAGES OF OLED Thinner, lighter and more flexible Brighter
Consume much less power
Easier to produce and make into larger sizes
Large field of view

15. DISADVANTAGES
Lifetime
Manufacturing
Water

16. APPLICATIONS
OLED TV
Mobile phones with OLED screens
Rolltop Laptop

17. THANK YOU