Fluorescent lamp capable of slow release of organic...

Details Fluorescent lamp capable of slow release of organic... Fluorescent lamp capable of slow release of organic...

2005-11-02

2010-11-23

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C422S186000, C427S067000

Reexamination Certificate

active

07839068

ABSTRACT:
The present invention relates to a fluorescent lamp including a visible radiation and/or UV-radiation transmissive discharge vessel, at least one luminescent layer coated onto the inner wall of the discharge vessel for converting UV-radiation to other wavelengths of UV-A, UV-B and/or visible radiation characterized in, that at a section to which no luminescent layer is applied on the inner surface area of said discharge vessel at least one substrate layer is applied on the outer surface of this area of said discharge vessel, and/or at least a section to which luminescent layer is applied on the inner surface area of said discharge vessel at least one substrate layer is applied on the outer surface of this area of said discharge vessel; whereby said substrate layer comprises at least one volatile organic material being releasable over an extended time period, whereby the volatile organic material is released by UV-radiation and/or thermal heat generated from said fluorescent lamp and, whereby at operation the temperature of the outer surface of the discharge vessel of said fluorescent lamp is ≦70° C.

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patent: 0825634 (2002-01-01), None
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patent: 11054088 (1999-02-01), None

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