Waterproof LED display
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 2, 2002
Grant Date -
N/A
app pub date -
May 1, 2000
filing date -
May 1, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A waterproof LED display has a housing. A circuit board with a plurality of LED groups is mounted within the housing. A transparent sheet which has a smooth inner surface opposite to the circuit board and a coarse outer surface to prevent reflection of the sunshine, is provided outside the circuit board. A panel with a plurality of apertures to respectively correspond to the groups of LEDs is mounted outside the transparent sheet. Waterproof silica gel is spread over joints between the panel and the housing.
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Cited Art Landscape
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