Side emitting device, backlight unit using the same as light...

Illumination – Light modifier – Refractor

Reexamination Certificate

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Details

C362S336000, C362S623000

Reexamination Certificate

active

11233006

ABSTRACT:
A side emitting device, a backlight unit using the same as a light source, and a liquid crystal display (LCD) employing the backlight unit. The side emitting device includes a light-emitting device to emit light, and a side emitter to change the path of at least part of the light emitted from the light-emitting device. The side emitter includes a first reflecting surface reflecting light emitted from the light-emitting device in a first range of angles close to a central axis, a first refracting surface refracting the light reflected by the first reflecting surface obliquely downward from the horizontal axis, and a second refracting surface refracting light emitted from the light-emitting device in a second range of angles complementary to the first range of angles. The backlight unit includes at least an array of side emitting devices, a reflection diffusion plate and a first transmission diffusion plate.

REFERENCES:
patent: 6598998 (2003-07-01), West et al.
patent: 6679621 (2004-01-01), West et al.
patent: 6997571 (2006-02-01), Tenmyo
patent: 2005/0001537 (2005-01-01), West et al.
patent: 2000-299500 (2000-10-01), None
patent: 2003-158302 (2003-05-01), None
patent: 2003-258319 (2003-09-01), None

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