Backlight assembly and a liquid crystal display device using...

Details Backlight assembly and a liquid crystal display device using... Backlight assembly and a liquid crystal display device using...

2011-04-12

2011-04-12

Connelly Cushwa, Michelle R (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S061000, C362S561000, C362S606000, C362S610000, C362S616000

Reexamination Certificate

active

07924370

ABSTRACT:
A backlight assembly for a display panel includes a light pipe that is divided into a plurality of horizontal portions, a light source including a plurality of selectively illuminated lamps arranged at lateral sides of each of the horizontal portions for emitting light into the light pipe, a plurality of diffusion surfaces, each of the diffusion surfaces being provided on a selected area of a respective one of the plurality of the horizontal portions, wherein each of the diffusion surfaces causes light to be emitted from the selected area of the respective horizontal portion when the light pipe is illuminated by the lamp associated therewith.

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patent: 2005/0140848 (2005-06-01), Yoo et al.
patent: 2007/0188677 (2007-08-01), Souk et al.
patent: 2007/0274099 (2007-11-01), Tai et al.
patent: 2008/0030650 (2008-02-01), Kitagawa et al.
patent: 2008/0084709 (2008-04-01), Li et al.
patent: 2001210122 (2001-08-01), None

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