Transflective frame and backlight module using the same

Details Transflective frame and backlight module using the same Transflective frame and backlight module using the same

2007-10-16

2007-10-16

Sember, Thomas M. (Department: 2885)

Illumination

Edge lighted panel

Light guide

C362S615000

Reexamination Certificate

active

11316587

ABSTRACT:
A backlight module (1) includes a light source (92), a light guide plate (80), and a frame (60). The frame contains the light source and the light guide plate. The frame includes a base plate (65) defining a transflective region (651) and a plurality of holes (652) defined in the transflective region. A portion of light beams from the light source is reflected by the transflective region out one main face of the backlight module, and a remainder of the light beams passes through the transflective region to emit from another main face of the backlight module. The backlight module and frame provide a double-sided emitting structure for a double-sided LCD. This avoids the need for an expensive transflector.

REFERENCES:
patent: 6074069 (2000-06-01), Chao-Ching et al.
patent: 6914652 (2005-07-01), Iijima
patent: 7123318 (2006-10-01), Nagakubo et al.
patent: 2004/0233359 (2004-11-01), Nam et al.
patent: 2004/0257496 (2004-12-01), Sonoda et al.
patent: 2005/0140878 (2005-06-01), Kim et al.

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