Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2011-07-05
2011-07-05
Patel, Nimeshkumar D (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S504000, C445S024000
Reexamination Certificate
active
07973475
ABSTRACT:
An OLED device and a method for fabricating the same are disclosed, capable of improving yield and preventing decomposition of organic layers by moisture. An organic passivation layer having excellent morphology is applied to prevent a short circuit between an anode electrode and a cathode electrode. A Ca layer is applied to remove moisture from the inside of the device, thereby increasing the lifespan of the device. Accordingly, generation of dark sports by the short circuit caused by protrusions on a poor-morphology layer can be prevented. In addition, moisture absorbent layers are formed between the passivation layers and the partitions to remove outside moisture and the moisture outgassed from the inside, that is, partitions and organic layers, thereby elongating the lifespan of the OLED device.
REFERENCES:
patent: 6911773 (2005-06-01), Seki
patent: 6963169 (2005-11-01), Peng
patent: 7633223 (2009-12-01), Yamazaki
patent: 2010/0001633 (2010-01-01), Lee et al.
Kim Dong Hwan
Kim Hyung Chul
Lee Jun Ho
Oh Kyung Tak
Yang Mi Youn
LG Display Co. Ltd.
McKenna Long & Aldridge LLP
Patel Nimeshkumar D
Zimmerman Glenn
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