Method of making a back lighting device
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United States of America Patent
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-
Dec 14, 1999
Issued Date -
N/A
app pub date -
Feb 17, 1998
filing date -
Oct 24, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A back lighting device includes a light waveguide having generally planar upper and lower surfaces, a light module having a lamp member encapsulated between the upper and lower surfaces, a specular reflective material applied about the waveguide lower surface, and a light extracting material applied about the waveguide upper surface. The waveguide can be mounted in a user specific frame to allow high volume usage of a common waveguide element.
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- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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