Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2005-01-04
2005-01-04
Patel, Vip (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S111000, C313S112000, C313S506000
Reexamination Certificate
active
06838817
ABSTRACT:
The light emitting device includes a light emitting portion having a larger refraction index than air, and a medium which is provided on a light extraction surface extracting light from the light emitting portion and which has different haze ratios depending on a light incident angle, wherein a haze ratio is defined as follows:in-line-formulae description="In-line Formulae" end="lead"?the haze ratio=(scattered light transmission factor/total light transmission factor)×100 (%), or =(scattered light transmission factor/(scattered light transmission factor+parallel light transmission factor))×100 (%).in-line-formulae description="In-line Formulae" end="tail"?The light emitting device improves the light extraction efficiency from the light emitting device.
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patent: 6262850 (2001-07-01), Krisko et al.
“Electronic Information Communication Handbook”, Ohmsha, published in 1998, Section 5, subsections 5 to 12, on the page of “Electronic Display and Printer”.
T. Watanabe et al., “Optimization of emitting efficiency in organic LED cells using Ir complex”, (Synthetic Metals 122 in 2001, 203-207.
Fuji Photo Film Co. , Ltd.
Patel Vip
Sughrue & Mion, PLLC
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