Optical unit, a method of manufacturing the same, a...

Details Optical unit, a method of manufacturing the same, a... Optical unit, a method of manufacturing the same, a...

2006-07-25

2008-11-11

Song, Sarah (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S901000

Reexamination Certificate

active

07450809

ABSTRACT:
An optical unit, a method of manufacturing the same, a backlight assembly having the same and a display device have the same are provided. The optical unit includes a transparent body, a diffusion part and a luminance increasing part. The diffusion part is formed on or in the body to diffuse light. The luminance increasing part includes an embossing pattern formed on the body to increase a luminance of the diffused light when viewed on a plane.

REFERENCES:
patent: 6002464 (1999-12-01), Fujisawa et al.
patent: 7010212 (2006-03-01), Emmons et al.
patent: 2007/0147760 (2007-06-01), Iimura

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