Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2004-07-09
2008-10-07
Patel, Nimeshkumar D. (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S504000
Reexamination Certificate
active
07432648
ABSTRACT:
An EL display is provided with enhanced light emission characteristics wherein light emitted from a light-emitting layer undergoes constructive interference due to a resonance effect. The EL display includes a transparent substrate, an anode and a cathode formed on the same side of the transparent substrate, and an intermediate layer interposed between the anode and the cathode, and said intermediate layer including a light-emitting layer that emits light when the anode and the cathode are electrically driven by a voltage, and wherein the anode and the cathode are formed as a translucent conductive layer that partially reflects the light emitted from the light-emitting layer.
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Lu, M.H.; Weaver, M.S.; Zhou, T.X.; Rothman, M.; Kwong, R.C.; Hack, M.; and Brown, J.J.; “High-Efficiency Top-Emitting Organic Light-Emitting Devices,” Applied Physics Letters, vol. 81, No. 21, Nov. 18, 2002, pp. 3921-3923.
Lee Han-Ju
Lee Jun-Yeob
Oh Jun-Sik
H.C. Park & Associates PLC
Hines Anne M
Patel Nimeshkumar D.
Samsung SDI & Co., Ltd.
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