Optical member, surface light source unit, and liquid...

Illumination – Edge lighted panel – Light modifier with emission face combined with light guide...

Reexamination Certificate

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C362S097100, C362S606000, C362S615000

Reexamination Certificate

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07850355

ABSTRACT:
An optical member that will be incorporated in a surface light source unit and that is scarcely deformed while it is used as a component of the surface light source unit. The optical member comprises optical sheets layered on each other. The optical sheets at least includes: an outermost optical sheet on the light-entrance side, which is situated outermost on the light-entrance side; and a high-rigidity optical sheet situated on the light-exit side of the outermost optical sheet on the light-entrance side, a rigidity of the high-rigidity optical sheet being higher than a rigidity of the outermost optical sheet on the light-entrance side.

REFERENCES:
patent: 2002/0135996 (2002-09-01), Suga
patent: 2005/0280756 (2005-12-01), Kim et al.
patent: 2006/0158905 (2006-07-01), Lai et al.
patent: 2007-047257 (2007-02-01), None

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