Illumination apparatus and film

Details Illumination apparatus and film Illumination apparatus and film

2007-02-05

2008-11-18

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S618000, C362S606000, C362S309000, C362S223000, C362S330000

Reexamination Certificate

active

07452120

ABSTRACT:
An illumination apparatus comprises:(a) at least one light source;(b) a light guide for accepting light from the at least one light source and for guiding the light using total internal reflection, the light guide having a top surface;(c) a light extracting film having an input surface optically coupled with the top surface and an output surface for providing light,wherein the input surface comprises a plurality of features which are optically coupled to the top surface of the light guide, such features having:(i) a first side comprising two or more planar segments; and(ii) a second side comprising two or more planar segments, andwherein either the length of at least some of the features is less than the width of the film or the first and second sides intersect at an apex.

REFERENCES:
patent: 4984144 (1991-01-01), Cobb et al.
patent: 5396350 (1995-03-01), Beeson et al.
patent: 5598281 (1997-01-01), Zimmerman et al.
patent: 5629784 (1997-05-01), Abileah et al.
patent: 5739931 (1998-04-01), Zimmerman et al.
patent: 5761355 (1998-06-01), Kuper et al.
patent: 5917664 (1999-06-01), O'Neill et al.
patent: 5986728 (1999-11-01), Bernard
patent: 6106128 (2000-08-01), Zou et al.
patent: 6111696 (2000-08-01), Allen et al.
patent: 6129439 (2000-10-01), Hou et al.
patent: 6277471 (2001-08-01), Tang
patent: 6280063 (2001-08-01), Fong et al.
patent: 6354709 (2002-03-01), Campbell et al.
patent: 6356391 (2002-03-01), Gardiner et al.
patent: 6425675 (2002-07-01), Onishi et al.
patent: 6811274 (2004-11-01), Olczak
patent: 6846089 (2005-01-01), Stevenson et al.
patent: 2005/0134963 (2005-06-01), Stevenson et al.
patent: 2006/0051048 (2006-03-01), Gardiner et al.
patent: 2006/0250817 (2006-11-01), Yamashita et al.
patent: 8-221013 (1996-08-01), None

Affiliated with

Also associated with

Rating

Illumination apparatus and film does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Illumination apparatus and film, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Illumination apparatus and film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4047446