Backlight module

Details Backlight module Backlight module

2007-12-04

2007-12-04

Quach-Lee, Y. My (Department: 2885)

Illumination

Edge lighted panel

Light modifier for edge lit light source

C362S612000, C362S613000

Reexamination Certificate

active

11432744

ABSTRACT:
A backlight module includes a light guide plate, a light source, and a reflector. The light guide plate includes an incident surface and a corner adjacent the incident surface. The light source is disposed adjacent the incident surface and the corner of the light guide plate. The light source has an emitting surface. The reflector is disposed substantially facing the incident surface. The reflector has a curved reflective surface facing the emitting surface, the surface being shaped and positioned for uniformly reflecting light beams emitted from the light source into the light guide plate through the incident surface. An angle of inclination of the emitting surface with respect to the incident surface is chosen to be in the range from above about 0 to about 180 degrees. The backlight module can effectively eliminate shadow formation adjacent the incident surface of the light guide plate.

REFERENCES:
patent: 7033062 (2006-04-01), Lee et al.
patent: 7134777 (2006-11-01), Sung
patent: 2003/0214818 (2003-11-01), Ehara et al.
patent: 2004/0184258 (2004-09-01), Sung
patent: 2006/0002141 (2006-01-01), Ouderkirk et al.
patent: 1609682 (2005-04-01), None

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