Thick OLED (IMAGE)

Kyushu University

Thick OLED

Caption

A test organic light-emitting diode (OLED) incorporating thick layers of hybrid perovskite emits green light. Researchers at Kyushu University designed the device to have thick layers of perovskite surrounding an organic emitter layer, resulting in an overall thickness of the active layers that is approximately 20 times that of traditional OLEDs. The use of thicker layers can ease manufacturing constraints and improve viewing angle. Such an approach was impractical with only organic layers because of their extremely high electrical resistance, so the researchers turned to perovskites, which can be highly conductive and transparent while also being compatible with organics and fabricated from low-cost starting materials.

Credit

William J. Potscavage Jr., Kyushu University

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