Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2011-03-08

2011-03-08

Pak, Sung H (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

Reexamination Certificate

active

07903202

ABSTRACT:
To provide a liquid crystal display device that includes a cold cathode fluorescent lamp that controls a drop in the luminous efficacy of a fluorescent substance layer in a large electrical current region. Uneven portions UNE are formed in a surface of a fluorescent substance film FLU that is formed on an inner wall surface of a glass tube VAL that configures a cold cathode fluorescent lamp CCFL, whereby the surface area of the film surface can be increased and a drop in the fluorescent substance luminous efficacy in a large current region can be controlled, so the effect of improving the luminance of a display screen over a long period of time is obtained as a backlight of a liquid crystal display panel LCD.

REFERENCES:
patent: 2009/0096958 (2009-04-01), Matsuura et al.
patent: 2003-323865 (2003-11-01), None
patent: 2006-024548 (2006-01-01), None

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