Light guide plate with convex portions having low radius of...

Details Light guide plate with convex portions having low radius of... Light guide plate with convex portions having low radius of...

2006-05-23

2006-05-23

Sember, Thomas M. (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S625000, C362S623000, C349S062000

Reexamination Certificate

active

07048428

ABSTRACT:
A light guide plate made of a transparent resin includes a first main surface and a second main surface opposite to the first main surface. The first main surface has a surface portion provided with convex portions having a height in the range of 5×10−7m to 6×10−5m each and a pitch in the range of 5×10−7m to 4×10−4m. The light guide plate having tip portions of at least 80% of the total convex portions with a radius of curvature of 2×10−6m or less, or the surface of the convex portions having a surface roughness of 3×10−7m or less.

REFERENCES:
patent: 4737896 (1988-04-01), Mochizuki et al.
patent: 5575549 (1996-11-01), Ishikawa et al.
patent: 5727107 (1998-03-01), Umemoto et al.
patent: 5741446 (1998-04-01), Tahara et al.
patent: 6486931 (2002-11-01), Ueda
patent: 6729736 (2004-05-01), Umemoto
patent: 6835440 (2004-12-01), Konishi et al.
patent: 8-318534 (1996-12-01), None
patent: 10-55712 (1998-02-01), None
patent: 11-34068 (1999-02-01), None
patent: 11-42650 (1999-02-01), None

Affiliated with

Also associated with

Rating

Light guide plate with convex portions having low radius of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light guide plate with convex portions having low radius of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light guide plate with convex portions having low radius of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3651864