| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an improved sealing system for OLEDs and similar structures. <P>SOLUTION: The above problem is solved by an electroluminescent device (20, 50) comprising: a substrate (11) that is impermeable to water and oxygen; a first electrode (12) deposited on the substrate (11); an electroluminescent layer (13) in electrical contact with the first electrode (12); a second electrode (14) in electrical contact with the electroluminescent layer; and a seal for preventing water and oxygen from reaching the second electrode (14), the seal comprising a layer (22) of silicon nitride on a layer (21) of epoxy. <P>COPYRIGHT: (C)2004,JPO |
