Optical light piping reflector element for backlighting liquid c

Details Optical light piping reflector element for backlighting liquid c Optical light piping reflector element for backlighting liquid c

1994-09-29

1999-02-16

Cariaso, Alan

Illumination

Plural light sources

With modifier

362225, 362299, 362300, 362327, F21V 712

Patent

active

058712739

ABSTRACT:
A backlight for liquid crystal displays which includes several closely spaced lamps and a sculptured optic element disposed behind the lamps wherein, the sculptured optic element has a reflective back side and a partially reflective front side and an optically transmissive medium disposed there between. The optic element being sculptured so as to direct light rays emanating from the back of the lamps and from the side of the lamps in a direction away from colliding with other lamps and in a direction toward the median surface. The optic element essentially gathers light from behind and between the lamps and directs it in a direction toward the viewing surface.

REFERENCES:
patent: 3814504 (1974-06-01), Brady et al.
patent: 4599684 (1986-07-01), Lee
patent: 4630905 (1986-12-01), Blom
patent: 4641226 (1987-02-01), Kratz
patent: 5143433 (1992-09-01), Farrell
patent: 5253151 (1993-10-01), Mepham et al.

Affiliated with

Also associated with

Rating

Optical light piping reflector element for backlighting liquid c does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical light piping reflector element for backlighting liquid c, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical light piping reflector element for backlighting liquid c will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2057053