Backlight system and liquid crystal display employing the same

Details Backlight system and liquid crystal display employing the same Backlight system and liquid crystal display employing the same

2007-05-01

2007-05-01

Tso, Laura K. (Department: 2875)

Illumination

Edge lighted panel

Light source

C362S611000, C362S613000, C362S555000

Reexamination Certificate

active

11443009

ABSTRACT:
A backlight system providing enhanced uniform brightness and a liquid crystal display (LCD) employing the same are provided. The backlight system includes: a light guide panel which forms a surface light source by guiding light; and a plurality of light emitting units arranged on at least one side of the light guide panel in the form of an array, wherein when the light emitting units in the array are divided into a first region, a second region and a third region and at least one of light emitting units is included in an edge of the first region and an edge of the third region, a quantity of current applied to the first region and the third region is controlled to be larger than a quantity of current applied to the second region in order to control the light guide panel to provide uniform brightness.

REFERENCES:
patent: 2006/0239033 (2006-10-01), Jung et al.
patent: 2006/0256555 (2006-11-01), Lengyel et al.
patent: 2004-029141 (2004-01-01), None
patent: 2004-029370 (2004-01-01), None
patent: 10-1998-0076384 (1998-11-01), None

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