Backlight unit having improved chromatic dispersion

Details Backlight unit having improved chromatic dispersion Backlight unit having improved chromatic dispersion

2007-10-15

2010-02-09

Negron, Ismael (Department: 2885)

Illumination

Edge lighted panel

Light modifier with emission face combined with light guide...

C362S619000, C362S330000, C349S062000

Reexamination Certificate

active

07658531

ABSTRACT:
Provided is a backlight device that includes: a light guide panel having a diffraction pattern for emitting light through an emission surface of the light guide panel by diffracting light entering the light guide panel; and a chromatic dispersion compensation member that is an optical transmitting member located on a light emission side of the light guide panel and has a lattice pattern having a depth in a direction vertical to the emission surface of the light guide panel.

REFERENCES:
patent: 6151166 (2000-11-01), Matsushita et al.
patent: 6880946 (2005-04-01), Mullen
patent: 7364340 (2008-04-01), Choi et al.
patent: 7420735 (2008-09-01), Hikichi et al.
patent: 2004/0240232 (2004-12-01), Choi et al.
patent: 2005/0195487 (2005-09-01), Yu et al.
patent: 2006/0007700 (2006-01-01), Hsu et al.
patent: 2007/0081359 (2007-04-01), Kim et al.

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