Optical substrate, manufacturing method thereof, planar...

Details Optical substrate, manufacturing method thereof, planar... Optical substrate, manufacturing method thereof, planar...

2008-07-01

2008-07-01

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S617000

Reexamination Certificate

active

07393130

ABSTRACT:
An optical substrate includes an exit face through which a light entered from an incident face is emitted, a lens forming region provided on the exit face and in which a plurality of microlenses are formed, and a non-lens forming region provided in an area other than the lens forming region on the exit face and surrounded by the microlenses. The microlenses diffuse and emit the light entered through the exit face. The non-lens forming region is used to identify a predetermined direction of the substrate.

REFERENCES:
patent: 2004/0080927 (2004-04-01), Parker et al.
patent: 2004/0114347 (2004-06-01), Leu et al.
patent: 08-006969 (1996-01-01), None
patent: 08-122730 (1996-05-01), None
patent: 11-136462 (1999-05-01), None
patent: 2002-228844 (2002-08-01), None
patent: 2002-298626 (2002-10-01), None
patent: 2004-170480 (2004-06-01), None

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