High output LED matrix color TV screen with vertical triad and t

Details High output LED matrix color TV screen with vertical triad and t High output LED matrix color TV screen with vertical triad and t

1978-06-19

1980-05-20

Stellar, George G.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 930

Patent

active

042042224

ABSTRACT:
Visual display apparatus having conductors arranged in a matrix forming a plurality of crosspoints includes an improved light-emitting diode connected across each crosspoint. The diodes are electrically energizable via the matrix to form an image and individual ones of the diodes are positioned relative to their respective crosspoints so that every light-emitting diode junction is provided an unobstructed path for its emitted light. An embodiment for colored image displays includes a shadow mask overlying the matrix with apertures in the mask aligned in registry with the diodes to direct the light outwardly of the matrix. Three transparent lamina overlie the mask and each lamina carries a predetermined array of photon activated fluorescent material that emits light having one of the additive primary colors of red, green and blue. The combined array of fluorescent material forms a plurality of color triads corresponding to crosspoint triads which are energized by horizontal and vertical scan means to provide a resulting scan that consecutively energizes all the crosspoints in a predetermined order.

REFERENCES:
patent: 2615087 (1952-10-01), Rines
patent: 3631251 (1971-12-01), Lehovel
patent: 3935590 (1976-01-01), Kaji et al.
IBM Technical Disclosure Bulletin, "Electroluminescent Diodes and Arrays," J. C. Marinace et al., vol. 8, No. 11, Apr. 1966.

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