2000•SID Symposium Digest of Technical PapersRequires access

37.2: A Mercury‐Free Cold Cathode Fluorescent Lamp for LCD Backlighting

Hidehiko Noguchi, Hidetoshi Yano

Abstract

Abstract A mercury‐free cold cathode fluorescent lamp which is suitable for the backlighting of a car‐navigation display, has been developed. This lamp consists of one inner electrode and one outer electrode. By optimizing the structure of the electrode and the driving condition, a high luminous flux and a wide dimming control were achieved. The total luminous flux of this lamp reached to about 50% as much as that of a conventional Hg‐type CFL.

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Key concepts: Cold cathode, Backlight, Luminous flux, Fluorescent lamp, Mercury-vapor lamp, Liquid-crystal display, Electrode, Mercury (programming language)