G - Physics – 09 – G
Patent
G - Physics
09
G
75/40, 345/9
G09G 3/22 (2006.01) G09G 3/32 (2006.01)
Patent
CA 1233282
ABSTRACT OF THE DISCLOSURE Solid state color display systems and light emitting diode (LED pixels therefore Each pixel comprises a large number of LED chips arranged compactly to provide a discrete element light source of sufficient output to ye viewed as a point source of light from a substantial distance. The arrays of pixels are placed in a matrix of a type typically used in scoreboards, message centers and other large display systems, although the various combinations, sub combinations, and elements are not limited to such uses. Each pixel is mounted in a molded package which may include a transparent lens covering and sufficient number of connecting leads to provide for the number of colors of LEDs contained in the pixel array. Each pixel is placed in a mounting fixture which also accommodates the necessary electrical connections to multiplexed driving circuitry. The light emitted is determined by the type of LED used in the array, preferably an array of red, green and blue, although amber, green and other color combinations may be used. Using three colors, blue, red, green that are controlled by separate driving circuitry provides the capacity to create any color in the spectrum.
496813
Gowling Lafleur Henderson Llp
Integrated Systems Engineering Inc.
LandOfFree
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