Double-sided backlight module

Details Double-sided backlight module Double-sided backlight module

2006-11-21

2006-11-21

Tso, Laura K. (Department: 2875)

Illumination

Light fiber, rod, or pipe

Illuminating or display apparatus

C362S559000, C362S217060

Reexamination Certificate

active

07137725

ABSTRACT:
The present invention describes a backlight module that includes a lamp, a diffuser, an optical film and a liquid crystal display panel installed in sequence between a reflective mask and a diffuser, and the reflective mask has a light transmission window at the bottom, and the light transmission window includes a dimmer, an optical film and a sub liquid crystal display panel installed in sequence outside the light transmission window, so that a light is evenly emitted from the upper and lower liquid crystal display panels and sub liquid crystal display panels. The invention not only simultaneously displays screens, but also improves the light application rate.

REFERENCES:
patent: 2004/0095745 (2004-05-01), Wang

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