High voidage phosphor layer and vacuum UV excited light...

Details High voidage phosphor layer and vacuum UV excited light... High voidage phosphor layer and vacuum UV excited light...

2005-07-26

2005-07-26

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C252S301500

Reexamination Certificate

active

06922013

ABSTRACT:
A phosphor layer having a high luminance, and a vacuum ultra-violet radiation excited light emitting element are provided. A phosphor layer having a voidage of not less than 60 vol %, the phosphor layer in which a phosphor having a BET specific surface area of not less than 3 m2/g is used, and a vacuum ultra-violet radiation excited light emitting element are provided.

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XP002258706, DATABASE WPI, Section Ch, Week 200235.

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