Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2007-07-30
2010-11-02
Williams, Joseph L (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
Reexamination Certificate
active
07825577
ABSTRACT:
This disclosure provides a light-emitting device including a patterned substrate and the manufacturing method thereof. The patterned substrate has a plurality of depressions and/or extrusions for scattering light emitted from a light-emitting layer. Each of the plurality of depressions and/or extrusions comprises a top portion, a bottom portion, and a sidewall portion enclosing the top portion and the bottom portion, and at least part of the sidewall portion comprises a curve. In a preferred embodiment, the light-emitting device further comprises a rough surface formed on at least one of the top portion, the bottom portion, and the sidewall portion.
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Hsu Ta-Cheng
Huang Chao-Shun
Lee Ya-Ju
Su Ying-Yong
Yang Ya-Lan
Bacon & Thomas PLLC
Epistar Corporation
Lee Brenitra M
Williams Joseph L
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