Light-emitting diode backlight module

Details Light-emitting diode backlight module Light-emitting diode backlight module

2006-05-12

2008-03-04

Pope, Daryl C (Department: 2612)

Communications: electrical

Visual indication

C340S815490, C340S815450, C340S815500, C340S815540, C340S815750, C349S062000, C349S063000, C349S064000

Reexamination Certificate

active

07339491

ABSTRACT:
An LED backlight module includes a substrate. An LED array, composed of a plurality of red, blue and green lamp LEDs, is mounted on the substrate. A light-mixing chamber is mounted on the substrate and is used to seal the LED array inside. A diffusion sheet is secured inside the light-mixing chamber and is disposed parallel to the substrate. A first prism sheet is secured inside the light-mixing chamber and is disposed parallel to the diffusion sheet. A second prism sheet is secured inside the light-mixing chamber and is disposed parallel to the first prism sheet.

REFERENCES:
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patent: 5949187 (1999-09-01), Xu et al.
patent: 6008871 (1999-12-01), Okumura
patent: 6018419 (2000-01-01), Cobb et al.
patent: 6060727 (2000-05-01), Shakuda
patent: 6132072 (2000-10-01), Turnbull et al.
patent: 6144165 (2000-11-01), Liedenbaum
patent: 6160596 (2000-12-01), Sylvester et al.
patent: 6196691 (2001-03-01), Ochiai
patent: 6229508 (2001-05-01), Kane

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