Backlight module with light emitting diodes having...

Details Backlight module with light emitting diodes having... Backlight module with light emitting diodes having...

2006-11-30

2009-02-24

Lee, Jong-Suk (James) (Department: 2885)

Illumination

Plural light sources

With modifier

C362S346000, C362S241000, C362S800000

Reexamination Certificate

active

07494245

ABSTRACT:
An exemplary backlight module (30) includes a frame (31), a plurality of light emitting diodes (32) and at least one optical plate (34). The light emitting diodes are regularly disposed on a base of the frame. The optical plate is positioned on sidewalls of the frame. Each light emitting diode includes a light output unit (321), an optical lens (323) having a light input surface (3231), a top surface (3233), and a light output surface (3235); and a reflective sheet (325) including a peripheral flange extending down from an edge thereof for being interference fitted around the top surface of the optical lens. The backlight module can have a thin configuration while still providing good, uniform optical performance.

REFERENCES:
patent: 6972439 (2005-12-01), Kim et al.
patent: 6974229 (2005-12-01), West et al.
patent: 7172325 (2007-02-01), Kim et al.
patent: 7320531 (2008-01-01), West et al.
patent: 2006/0087827 (2006-04-01), Jung et al.
patent: 2007/0047232 (2007-03-01), Kim et al.

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