Direct type backlight module of diffuser plate and its...

Details Direct type backlight module of diffuser plate and its... Direct type backlight module of diffuser plate and its...

2007-05-08

2007-05-08

Luebke, Renee (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S606000

Reexamination Certificate

active

10839349

ABSTRACT:
A direct type backlight module with a diffuser plate and its manufacturing method for application to an LCD TV is provided. The diffuser plate has a plurality of columnar lenticular lens surfaces for scattering incident light to increase its light uniformity and reducing the quantity of light dispersant in the diffuser plate in the range of from 30% to 50% to increase light transmission ratio. Through the use of vertical or horizontal lenticular lenses of at least one columnar lenticular lens surface the diffusion degree in every direction is adjusted.

REFERENCES:
patent: 6755545 (2004-06-01), Lee
patent: 6913373 (2005-07-01), Tanaka et al.
patent: 2003/0184993 (2003-10-01), Yamada

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