| 摘要 |
PURPOSE: To provide an electroluminecent element which is large in light emission quantity per unit area. CONSTITUTION: A porous conductive layer 13 is formed on a transparent electrode 12, and a hole transfer layer 14 formed of organic semiconductor material is provided onto the conductive layer 13. As the hole transfer layer 14 is filled into porosities inside the porous conductive layer 13, holes injected into the conductive layer 13 from the transparent electrode 12 are injected into the hole transfer layer 14 through the inner walls of the porosities. As the inner walls of the porosities are large in total area, a large amount of holes can be injected into the hole transfer layer 14, and light emitted at an interface between the hole transfer layer 14 and the electron transfer layer 15 is increased in quantity and brightness. |
