Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2007-10-26

2010-10-19

Nguyen, Dung T (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C362S097200, C362S217090

Reexamination Certificate

active

07817223

ABSTRACT:
The present invention provides a display device of high brightness which can eliminate brightness irregularities on a display surface while preventing the degradation of display quality attributed to an undesired electric field generated at the time of performing inverter driving of the cold cathode fluorescent lamps of a backlight. In a liquid crystal display device, a plurality of cold cathode fluorescent lamps of a backlight unit is arranged along a short axis of the display device. The cold cathode fluorescent lamp has a high-voltage electrode thereof connected to an inverter circuit and a ground electrode thereof connected to a ground. Further, the plurality of cold cathode fluorescent lamps arranged along the short axis have electrodes thereof arranged alternately between the high-voltage electrode and the ground electrode.

REFERENCES:
patent: 7540649 (2009-06-01), Satoh et al.
patent: 2005/0128771 (2005-06-01), Tanaka et al.
patent: 2005/0146653 (2005-07-01), Baba et al.
patent: 2006/0120109 (2006-06-01), Inoue et al.
patent: 2005-150056 (2005-06-01), None
patent: 2005-195778 (2005-07-01), None
patent: 2006-156413 (2006-06-01), None

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