Light-guide sheet, movable contact unit and switch using the...

Details Light-guide sheet, movable contact unit and switch using the... Light-guide sheet, movable contact unit and switch using the...

2009-01-06

2010-12-14

Gushi, Ross N (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

C362S293000

Reexamination Certificate

active

07851717

ABSTRACT:
A light-guide sheet includes a light transmissive film substrate, and luminescent protrusions formed at predetermined points on the substrate. At least one of the substrate and each of the luminescent protrusions is colored to a color tone that absorbs yellow light more than blue light. Alternatively, a reflective layer colored to a color tone that absorbs yellow light more than blue light is provided on at least one of the top and bottom faces of the substrate.

REFERENCES:
patent: 5881201 (1999-03-01), Khanarian
patent: 6217184 (2001-04-01), Koike et al.
patent: 6345899 (2002-02-01), Ohkawa et al.
patent: 2007/0039809 (2007-02-01), Aihara et al.
patent: 2007-87749 (2007-04-01), None
patent: 2008-071735 (2008-03-01), None
patent: 10-0765883 (2007-10-01), None

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