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34.1: High‐Luminance and High‐Efficacy Electric‐Field‐Coupled Discharge Lamp for 18‐in. Diagonal LCD Backlighting
Author(s) -
Hashimoto K.,
Ikeda Y.,
Shiga T.,
Igarashi K.,
Mikoshiba S.,
Takaku S.,
Nishiyama S.,
Namura Y.
Publication year - 1999
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.1834136
Subject(s) - backlight , liquid crystal display , luminance , diagonal , optics , gas discharge lamp , electric field , electrical engineering , physics , materials science , voltage , engineering , mathematics , geometry , quantum mechanics
A flat lamp is developed for an 18‐in.‐diagonal LCD backlighting, using 8 electric‐field‐coupled discharge tubes. All the tubes can be driven with a single inverter circuit. Luminance, efficacy, and input power are 3500cd/m 2 , 34 lm/W, and 35W when the lamp is driven at 5.24MHz and 790V.