Light-emitting device with fluorescent layer

Details Light-emitting device with fluorescent layer Light-emitting device with fluorescent layer

2011-04-26

2011-04-26

Macchiarolo, Peter (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C257S098000, C362S235000

Reexamination Certificate

active

07932666

ABSTRACT:
A light-emitting device is provided, which includes a supporting member, a light-emitting element disposed on the supporting member to emit a light, and a fluorescent layer formed on the light-emitting element and having a thickness ranging from 80 to 240 μm, the fluorescent layer containing a light-transmitting member and a fluorescent substance having a particle diameter ranging from 20 to 45 μm at a concentration of 40 to 60 wt %.

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U.S. Appl. No. 11/668,218, filed Jan. 29, 2009, Hattori, et al.

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