Illumination device
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United States of America Patent
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Aug 11, 1998
Grant Date -
N/A
app pub date -
Jul 6, 1995
filing date -
Jul 8, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An illumination device 1 and methods for producing said device and parts thereof for backlighting a liquid crystal display 3 wherein the illumination device comprises a solid substrate 5 containing at least one groove 11 and an optical fiber 7 comprising an inner core 23 and an outer cladding layer 25 fitted into the groove(s) 11. The outer cladding layer 25 is of reduced thickness on the exposed side of the core 23 such that, light supplied along the optical fiber 7 from a light source 9, is transversely emitted from the optical fiber through the reduced thickness layer 14.
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