Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2007-09-11
2007-09-11
Roy, Sikha (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S504000, C313S503000, C313S498000, C428S690000, C428S917000
Reexamination Certificate
active
11020671
ABSTRACT:
An organic light emitting device includes first and second metal layers used as electrodes on a substrate, an electron transport layer on the first metal layer, a first partition wall insulating the first metal layer from the second metal layer and extending onto the electron transport layer along the first metal layer, a second partition wall on the first metal layer around the electron transport layer, a third partition wall separated from the first partition wall and on the second metal layer, an organic light emitting layer on the electron transport layer, a hole transport layer on the organic light emitting layer and contacting the second metal layer, a protecting layer covering the hole transport layer and extending to the first and second metal layers beyond the second and third partition walls, and sealing materials filling spaces between the protecting layer and the first and second layers.
REFERENCES:
patent: 6091195 (2000-07-01), Forrest et al.
Kim Mu-gyeom
Kim Sang-yeol
Leniachine Vassili
Song Mi-jeong
H.C. Park & Associates PLC
Roy Sikha
Samsung SDI & Co., Ltd.
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