Light panel

Details Light panel Light panel

2005-05-24

2005-05-24

Hoge, Gary C. (Department: 3611)

Card, picture, or sign exhibiting

Illuminated sign

Edge illuminated

C362S035000

Reexamination Certificate

active

06895705

ABSTRACT:
A display device is provided comprising a transparent panel having a light receiving edge and a face. A plurality of laser etched grooves are formed in the face of the panel such that the grooves increase in depth as the grooves extend away from the light receiving edge of the panel. The grooves include a bottom surface having a contour that matches a contour of the face of the panel. The grooves also include a plurality of diffusive sections and a plurality of internally reflective sections.

REFERENCES:
patent: 1959616 (1934-05-01), Derrah
patent: 2082724 (1937-06-01), Shelor
patent: 2091342 (1937-08-01), Van Bloem
patent: 2886911 (1959-05-01), Hardesty
patent: 2948074 (1960-08-01), Dupree
patent: 3262224 (1966-07-01), Hardesty
patent: 3384986 (1968-05-01), Davis
patent: 3389247 (1968-06-01), Null
patent: 3399476 (1968-09-01), Davis
patent: 3698793 (1972-10-01), Tellerman
patent: 4285889 (1981-08-01), Parsons
patent: 4373282 (1983-02-01), Wragg
patent: 4385343 (1983-05-01), Plumly
patent: 4715137 (1987-12-01), Scheve
patent: 4811507 (1989-03-01), Blanchet
patent: 4890201 (1989-12-01), Toft
patent: 4924356 (1990-05-01), French et al.
patent: 4947300 (1990-08-01), Wen
patent: 4965950 (1990-10-01), Yamada
patent: 4974122 (1990-11-01), Shaw
patent: 4974354 (1990-12-01), Hembrook, Jr.
patent: 5064276 (1991-11-01), Endo et al.
patent: 5075826 (1991-12-01), Lan
patent: 5124890 (1992-06-01), Choi et al.
patent: 5215285 (1993-06-01), Lewis
patent: 5227773 (1993-07-01), Wu et al.
patent: 5228223 (1993-07-01), Lan
patent: 5251391 (1993-10-01), Lan
patent: 5283968 (1994-02-01), Williams
patent: 5295050 (1994-03-01), Helstern et al.
patent: 5386347 (1995-01-01), Matsumoto
patent: 5390436 (1995-02-01), Ashall
patent: 5400224 (1995-03-01), DuNah et al.
patent: 5402324 (1995-03-01), Yokoyama et al.
patent: 5408388 (1995-04-01), Kobayashi et al.
patent: 5414947 (1995-05-01), Hjaltason
patent: 5433024 (1995-07-01), Lerner
patent: 5499165 (1996-03-01), Holmes, Jr.
patent: 5521796 (1996-05-01), Osakada et al.
patent: 5676444 (1997-10-01), Liao
patent: 5682697 (1997-11-01), Hjaltason
patent: 5735590 (1998-04-01), Kashima et al.
patent: 5842297 (1998-12-01), Tung
patent: 5887964 (1999-03-01), Higuchi et al.
patent: 5915855 (1999-06-01), Murase et al.
patent: 5950340 (1999-09-01), Woo
patent: 5997148 (1999-12-01), Ohkawa
patent: 5999685 (1999-12-01), Goto et al.
patent: 6086211 (2000-07-01), Ohkawa
patent: 6131322 (2000-10-01), Hjaltason
patent: 6231200 (2001-05-01), Shinohara et al.
patent: 6286970 (2001-09-01), Egawa et al.
patent: 6308444 (2001-10-01), Ki
patent: 6334690 (2002-01-01), Ohkawa
patent: 6364497 (2002-04-01), Park et al.
patent: 6384881 (2002-05-01), Arai et al.
patent: 6467922 (2002-10-01), Blanc et al.
patent: 20010002165 (2001-05-01), Shinohara et al.
patent: 20010022721 (2001-09-01), Konomi
patent: 20010049893 (2001-12-01), Maas et al.
patent: 20020015300 (2002-02-01), Katsu et al.
patent: 20020039287 (2002-04-01), Ohkawa
patent: 20020048162 (2002-04-01), Ohkawa et al.
patent: 20020048165 (2002-04-01), Taniguchi et al.
patent: 20020051354 (2002-05-01), Egawa
patent: 20020051355 (2002-05-01), Egawa et al.
patent: 20020057561 (2002-05-01), Niida et al.
patent: 20020057562 (2002-05-01), Sasako et al.
patent: 20020059860 (2002-05-01), Yoo
patent: 20020080433 (2002-06-01), Baba
patent: 20020080597 (2002-06-01), Coghlan
patent: 20020080598 (2002-06-01), Parker et al.
patent: 20020085368 (2002-07-01), Taniguchi et al.
patent: 20020101729 (2002-08-01), Hayashi et al.
patent: 20020105793 (2002-08-01), Oda et al.
patent: 20020114149 (2002-08-01), Yamashita et al.
patent: 20020114150 (2002-08-01), Nakamura
patent: 20020114151 (2002-08-01), Lee
patent: 20030058634 (2003-03-01), Kunimochi et al.
patent: 20040022049 (2004-02-01), Chang et al.
patent: 0 945 674 (1999-09-01), None
patent: 2281 142 (1995-02-01), None
patent: WO 9837535 (1998-08-01), None
patent: WO 9900625 (1999-01-01), None
patent: WO 0126080 (2001-04-01), None
patent: WO 0242038 (2002-05-01), None

Affiliated with

Also associated with

Rating

Light panel 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 panel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light panel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3422492