Light control member, surface light source device and display

Illumination – Edge lighted panel – Light guide

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C362S626000, C362S628000

Reexamination Certificate

active

07431492

ABSTRACT:
Primary light from primary light source (LED) is supplied toward a light an input face of an light control member. The light input face is provided with a plurality of projections for light input promotion. Each projection is composed of a generally spherical top portion and tapered column-like portion. Height of each projection may greater than a distance as far as an adjacent projection. An light output face of the light control member may be provided with of a plurality of projections having a function of causing an inner incident light to be deflected as to approach a frontal direction on being emitted, or may be formed of a roughened surface. A light flux control member may be interposed between the primary light source and the light control member.

REFERENCES:
patent: 5043856 (1991-08-01), Levin
patent: 5552907 (1996-09-01), Yokota et al.
patent: 5572411 (1996-11-01), Watai et al.
patent: 6049649 (2000-04-01), Arai
patent: 7142768 (2006-11-01), Tseng
patent: 2003/0058655 (2003-03-01), Chuang
patent: 2004/0085771 (2004-05-01), Klose
patent: 2006/0050533 (2006-03-01), Yang et al.
patent: 2006/0087866 (2006-04-01), Ng et al.
patent: 3-200930 (1991-09-01), None
patent: 6-265888 (1994-09-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Light control member, surface light source device and display 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 control member, surface light source device and display, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light control member, surface light source device and display will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3991827

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.