diode oled
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- The white light-emitting diodes (LEDs) have drawn much attention to replace conventional lighting sources because of low energy consumption, high light efficiency and long lifetime.
- Light emitting diodes (LEDs) have become more and more popular because of their low power consumption, low-pollution and long-life. However, it is difficult to predict their aging and lifetime.
- High power light emitting diodes are currently challenged by thermal issue of high heat generation which limits the reliability and efficiency.
- Tris(4-carbazoyl-9-ylphenyl)amine (TCTA) is a commonly used host material for organic light-emitting diodes (OLEDs).