H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/00 (2006.01) H05B 33/12 (2006.01) H05B 33/14 (2006.01) H05B 33/22 (2006.01) H05B 33/26 (2006.01)
Patent
CA 2214437
Light emitting bipolar devices (10) consist of an electroluminescent organic light emitting material (12) sandwiched between two layers of insulating material (14, 16) each of which is in contact with an electrode (18, 22). The device (10) operates with AC voltage at voltages of less than twenty four volts and in some instances at less than five volts. Under AC driving, the device (10) produces modulated light output that can be frequency or amplitude modulated. Under DC driving, the device (10) operates in both forward and reverse bias.
Dispositifs bipolaires (10) d'émission de lumière constitués d'une source de lumière organique électroluminescente (12) placée entre deux couches de matériau isolant (14, 16), dont chacune est en contact avec une électrode (18, 22). Le dispositif (10) fonctionne en courant alternatif sous des tensions inférieures à vingt-quatre volts, et dans certains cas inférieures à cinq volts. Alimenté en courant alternatif, le dispositif (10) produit une lumière modulée, soit en fonction de la fréquence, soit en fonction de l'amplitude. Alimenté en courant continu, le dispositif (10) fonctionne en polarisation directe ou inverse.
Epstein Arthur J.
Gebler Darren Douglas
Wang Yunzhang
Macrae & Co.
The Ohio State University
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