Lighting device used in an exit sign
First Claim
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1. A lighting device for illuminating indicia of an exit sign having an enclosure and a primary electrical power source, comprising:
- (a) a housing;
(b) illumination means in said housing to be powered by the primary electrical power source, said illumination means including a plurality of light emitting diodes extending from said housing; and
(c) light directing means connected to paid housing and spaced from said plurality of light emitting diodes for directing light from said light emitting diodes into the enclosure to illuminate the indicia of the exit sign.
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Abstract
In lighting fixture such as an exit sign, a light emitting diode lighting device is provided for mating engagement with an electrical socket of the lighting fixture. The light emitting diode lighting device has a plurality of light emitting diodes with a light directing member spaced therefrom for directing light into a desired illumination pattern. The light directing member can be wedge or parabola shaped.
83 Citations
37 Claims
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1. A lighting device for illuminating indicia of an exit sign having an enclosure and a primary electrical power source, comprising:
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(a) a housing; (b) illumination means in said housing to be powered by the primary electrical power source, said illumination means including a plurality of light emitting diodes extending from said housing; and (c) light directing means connected to paid housing and spaced from said plurality of light emitting diodes for directing light from said light emitting diodes into the enclosure to illuminate the indicia of the exit sign. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An exit sign connectable to a primary electrical power source, comprising:
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(a) a sign housing defining an enclosure therein and having indicia to be illuminated; (b) a primary electrical power circuit adapted to be connected to the primary electrical power source; (c) at least one lighting device electrically connected to said primary electrical power circuit and positioned within said enclosure for illuminating said indicia, each lighting device comprising; (i) a lighting device housing having an enclosure, (ii) illumination means in said lighting device housing, said illumination means including a plurality of light emitting diodes extending from said lighting device housing, and (iii) light directing means connected to said housing and spaced from said plurality of light emitting diodes for directing light from said light emitting diodes into the enclosure to illuminate said indicia of said sign housing. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification