Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2011-04-05
2011-04-05
Won, Bumsuk (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S504000, C313S505000, C313S506000
Reexamination Certificate
active
07919916
ABSTRACT:
A light-emitting device includes a light-emitting element having a first electrode layer, a second electrode, a light-emitting functional layer, a reflective layer which reflects light toward the light-emitting functional layer, a translucent semi-reflective layer which reflects some portion of light emitted from the light-emitting functional layer and transmits the rest of light therethrough, and a color filter which transmits light which passed through out the translucent reflective layer. An optical path d1has a value between d1acalculated by d1a=(p+1/2)·λ/2−(φ1−φ2)·λ/4π−nz·tzand d1b=m·λ/2+(φ3+φ2)·λ/4π.
REFERENCES:
patent: 7218049 (2007-05-01), Yamada et al.
patent: 2003/0067266 (2003-04-01), Kim et al.
patent: 2005/0236982 (2005-10-01), Nakayama et al.
patent: 2007/0015429 (2007-01-01), Maeda et al.
patent: B2-3944906 (2007-07-01), None
patent: WO 01/39554 (2001-05-01), None
Breval Elmito
Oliff & Berridg,e PLC
Seiko Epson Corporation
Won Bumsuk
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