Large size backlight apparatus reduced in thickness

Details Large size backlight apparatus reduced in thickness Large size backlight apparatus reduced in thickness

2007-03-06

2007-03-06

O'Shea, Sandra (Department: 2875)

Illumination

Light fiber, rod, or pipe

Light emitting diode

C362S560000, C362S561000, C362S612000, C362S613000, C362S616000

Reexamination Certificate

active

11060286

ABSTRACT:
In a backlight apparatus used in an LCD, in which upper and lower reflective plates are installed under upper and lower transparent plates, respectively. The lower transparent plates and the lower reflective plates introduce light generated by lower light sources in upward directions and the upper transparent plate and the upper reflective plates introduce light generated by an upper light source into those areas, which are not lighted by the lower light sources. This can prevent the formation of dark areas above the lower light sources thereby enhancing the overall uniformity of light.

REFERENCES:
patent: 6523966 (2003-02-01), Satoh et al.
patent: 6709123 (2004-03-01), Flohr et al.

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