LED BACKLIGHT SYSTEM FOR CABINET SIGN
First Claim
Patent Images
1. A lighting system for illuminating a sign, the system comprising:
- a plurality of electrically interconnected modules each module including a printed wiring board, and at least one light emitting diode (“
LED”
) electrically connected to the printed wiring board;
one or more electrical conductors electrically connecting the plurality of modules; and
one or more rails, said rails mechanically connecting adjacent modules in a spaced relationship.
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Accused Products
Abstract
A backlighting system for a cabinet sign may include a plurality of panels. Each panel includes a plurality of light emitting diodes (“LEDs”) attached to the panel. The diode has a box sign depth factor of less than about 1.4. An integrated circuit may also be located on the panel. A wire physically connects adjacent panels.
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Citations
27 Claims
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1. A lighting system for illuminating a sign, the system comprising:
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a plurality of electrically interconnected modules each module including a printed wiring board, and at least one light emitting diode (“
LED”
) electrically connected to the printed wiring board;one or more electrical conductors electrically connecting the plurality of modules; and one or more rails, said rails mechanically connecting adjacent modules in a spaced relationship. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A backlighting system comprising:
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a) a first plurality of light emitting modules, each module including; a printed wiring board, a plurality of light emitting diodes electrically connected to the printed wiring board and arranged in each module in a spaced relationship in a first array, an overmolding covering the at least a portion of the printed wiring board; b) wherein the first plurality of light emitting modules are arranged in spaced relationship to one another in a second array such that the relative spacing of the light emitting diodes between adjacent modules is substantially the same as the relative spacing of the light emitting diodes in a given module; c) one or more insulated electrical conductors electrically connecting the first plurality of modules; and d) one or more rails mechanically connecting adjacent modules in the second array. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A backlighting system for use in a cabinet sign, comprising:
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a plurality of interconnected modules configured in a first array, each module electrically coupled to at least one other module and each module mechanically fastened to at least one other module via a rail; and a plurality of light emitting diodes located on the surface of each module, each diode located a predetermined distance from each other.
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Specification