Patent ID: 8911134

Claim:
An exit sign comprising: a housing, a plurality of green color LEDs and red color LEDs positioned in said housing for concurrently emitting both green color light and red color light, wherein the plurality of green color LEDs are in an alternating arrangement with the red color LEDs, at least one filter holder positioned in said housing for holding one of a selected green color filter and a selected red color filter such that one of a green color light and a red color light, respectively, can pass through said one of a selected green color filter and a selected red color filter from the plurality of green color LEDs and red color LEDs, at least one stencil defining openings that form a symbol indicating a route of egress viewable by an observer, wherein said at least one stencil is juxtaposed to the at least one filter holder such that said one of a green color light and a red color light can pass through said at least one stencil, DC circuitry in a permanent operative connection with all of the plurality of green color LEDs and red color LEDs such that all of the plurality of green color LEDs and red color LEDs can be energized at a same time, and an AC converter for converting a source of AC electrical power to provide DC power to said DC circuitry.