Long-lifetime polymer light-emitting devices with improved...

Details Long-lifetime polymer light-emitting devices with improved... Long-lifetime polymer light-emitting devices with improved...

H - Electricity

01

L

H01L 51/52 (2006.01)

Patent

CA 2377077

The luminous efficiency and radiance of light emitting diodes (LEDs) fabricated from organic emissive materials can be increased by using a multilayer cathode including a low work function layer and a high work function high reflectivity layer, in combination with a high work function, high reflectivity anode material in the device.

Il est possible d'augmenter le rendement lumineux et la luminance énergétique des diodes électroluminescentes (DEL) produites à partir de matières organiques émissives par l'utilisation d'une cathode multicouches comprenant une couche à faible travail d'extraction et une couche haute réflectivité à travail d'extraction élevé, associées à un matériau d'anode haute réflectivité à travail d'extraction élevé.

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