Matrix display using cassette light units

Details Matrix display using cassette light units Matrix display using cassette light units

2006-07-20

2008-11-04

Sember, Thomas M (Department: 2885)

Illumination

Plural light sources

With support

C362S647000, C257S081000, C257S099000, C257S731000

Reexamination Certificate

active

07445355

ABSTRACT:
A light board is made with a receptacle substrate for accommodating cassette light units. The convenience of assembly and disassembly of the light units from the receptacle substrate makes the product easily to be maintained for changing different color light units, changing different displaying patterns, removing or replacing a failure light unit.

REFERENCES:
patent: 5617131 (1997-04-01), Murano et al.
patent: 6583444 (2003-06-01), Fjelstad
patent: 6911731 (2005-06-01), Wu
patent: 7166868 (2007-01-01), Wu
patent: 7297985 (2007-11-01), Oohata et al.
patent: 2005/0146028 (2005-07-01), Wu

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