46.1: Directivity Enhanced BLU for Edge‐type Local Dimming
2011
In this paper, we suggest an elegant and cost-effective Backlight Unit which is slim and has locally confined light needed for 1-dimensional local dimming and scanning. We fabricated LGP with micro-structures patterned by CO2 Laser. Lights from LGP are well distributed and uniform with density control of micro-patterns because they are continuous over the whole region of LGP. With one dimensional local dimming, we obtained 43% power-saving effect and contrast ratio of 11400:1 without any hot spot and the artifact.
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