Dense LED matrix for high resolution full color video

Details Dense LED matrix for high resolution full color video Dense LED matrix for high resolution full color video

1987-05-28

1989-08-15

Wieder, Kenneth

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

357 55, 437205, 437906, H05B 3302, H05B 3310

Patent

active

048578010

ABSTRACT:
A display for full color video includes light emitting diodes (LED's) arranged to increase LED density and thereby achieve enhanced resolution. The matrix is of the type that includes a plurality of physically separate, addressable dice fixed to a substrate. The display of the invention achieves increased density by utilizing dice of at least two distinct predetermined heights which are positioned onto the substrate in a predetermined pattern whereby the heights of adjacent dice differ. In this way, the closeness of inter-die spacing is not limited by the size of a positioning tool for grasping dice adjacent their upper portions.

REFERENCES:
patent: 3783353 (1974-01-01), Pankove
patent: 3875473 (1975-04-01), Lebailly
patent: 4211586 (1980-07-01), Fang et al.
patent: 4394600 (1983-07-01), Flannagan
Sanyo Technical Disclosure, "Blue Light Emitting Diode", SLB 5410, 4 pages, 10/81.

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