Electroluminescence device having phosphor particles which...

Details Electroluminescence device having phosphor particles which... Electroluminescence device having phosphor particles which...

2007-02-13

2007-02-13

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C428S917000

Reexamination Certificate

active

10776633

ABSTRACT:
An electroluminescence device, including phosphor particles, which phosphor particles give donor-acceptor type luminescence, and have an average equivalent sphere diameter of 1.0 μm or more and 12.0 μm or less and a coefficient of variation of equivalent sphere diameters of 3% or more and 30% or less.

REFERENCES:
patent: 6077458 (2000-06-01), Shiiki et al.
patent: 6819041 (2004-11-01), Kajiwara
patent: 2003/0098644 (2003-05-01), Thomas
patent: 2004/0043191 (2004-03-01), Zovko
patent: 6-306355 (1994-11-01), None
patent: 8-183954 (1996-07-01), None

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