Title:
掲示板照明システム
Document Type and Number:
Japanese Patent JP5848246
Kind Code:
B2
Abstract:
A high efficiency LED billboard lighting system with four LED modules replacing existing lighting modules. Each module has six heat sink assemblies arranged in two rows. The heat sink assemblies comprise an LED package mounted on a heat sink reflector. The LED package has a flat fine diffusing lens positioned over the diode. A diffusing lens is spaced apart from the heat sink assemblies. An LED controller is provided for each module, with power factor corrected, switch mode Power Supply, where the secondary side can be connected directly to a battery to monitor and charge one or more battery, and can run directly from the battery.
Inventors:
Ballman Claus
Application Number:
JP2012520781A
Publication Date:
January 27, 2016
Filing Date:
July 15, 2010
Export Citation:
Assignee:
Ringdale Incorporated
International Classes:
G09F13/02; F21S2/00; F21S9/02; F21V3/00; F21V3/02; F21V9/16; G09F15/00
Domestic Patent References:
| JP2007324547A | ||||
| JP2003331604A | ||||
| JP2008310984A | ||||
| JP2008103599A | ||||
| JP2009104844A | ||||
| JP9185337A |
Foreign References:
| US20090086484 |
Attorney, Agent or Firm:
Suzuki Isobe