Flat fluorescent lamp for display devices

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium

Reexamination Certificate

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Details

C313S494000, C313S607000

Reexamination Certificate

active

07339313

ABSTRACT:
A flat fluorescent lamp (FFL) for display devices, which has an improved electrode structure for plasma discharge, thus being efficiently operated using a low voltage and having high optical efficiency, is disclosed. The FFL of the present invention is provided with a plurality of branch electrodes extending from main electrodes, provided on opposite ends of a lamp body, in opposite directions toward the opposite main electrodes and being parallel to longitudinal axes of the discharge channels. Furthermore, the FFL may include joint electrodes which electrically couple the branch electrodes, provided around each of the opposite ends of the lamp body, to each other. The FFL may further include step electrodes and/or inductive electrodes.

REFERENCES:
patent: 2002/0021564 (2002-02-01), Cho et al.
patent: 2002/0131554 (2002-09-01), Fleming et al.
patent: 2005/0007019 (2005-01-01), Kim et al.
patent: 2005/0073258 (2005-04-01), Jang et al.
patent: 2005/0110414 (2005-05-01), Cho et al.
patent: 2005/0116607 (2005-06-01), Park et al.

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