Flat light source

Details Flat light source Flat light source

2007-06-07

2009-06-09

Sawhney, Hargobind S (Department: 2885)

Illumination

Edge lighted panel

Light source

C362S561000, C362S632000

Reexamination Certificate

active

07543970

ABSTRACT:
Each point light source includes an overhang projecting perpendicularly to a light emitting surface from one side of the light emitting surface, and the overhang has its main surface made in contact with a light outgoing surface of a light guide plate with the light emitting surface facing a light incident surface of the light guide plate. Engagement of the overhang with the light outgoing surface of the light guide plate prevents a displacement of the light emitting surface of the point light source and the light incident surface of the light guide plate even when the light guide plate suffers from deformation such as warpage. Even if a displacement occurs, the presence of the overhang reflects leaked light to guide it to the light incident surface of the light guide plate.

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