摘要
In practical applications, the visual contrast of an emissive display is more important than the brightness of image. As such, improving the visual contrast in organic light-emitting diodes （OLEDs） is another important issue to address with a significant technological implication. This talk will discuss the progress in developing gradient refractive index transparent electrode for enhancing the visual contrast in OLEDs. The concept is based upon on using an electrode with a gradient or graded refractive index to minimize the ambient light reflection from OLEDs and hence to enhance the visual contrast. The transparent electrode with gradient refractive index can be easily engineered and optimized during the film deposition, providing a cost-effective approach for application in high contrast OLED displays
In practical applications, the visual contrast of an emissive display is more important than the brightness of image. As such, improving the visual contrast in organic light-emitting diodes （OLEDs） is another important issue to address with a significant technological implication. This talk will discuss the progress in developing gradient refractive index transparent electrode for enhancing the visual contrast in OLEDs. The concept is based upon on using an electrode with a gradient or graded refractive index to minimize the ambient light reflection from OLEDs and hence to enhance the visual contrast. The transparent electrode with gradient refractive index can be easily engineered and optimized during the film deposition, providing a cost-effective approach for application in high contrast OLED displays
