Multicolor light emitting diode array

Details Multicolor light emitting diode array Multicolor light emitting diode array

1977-09-21

1979-04-03

Edlow, Martin H.

357 16, 357 55, 357 90, H01L 3300

Patent

active

041480457

ABSTRACT:
Multicolor light emitting diode arrays can be made using a binary semiconductor substrate on which is grown a graded epitaxial region of an AB.sub.1-x C.sub.x semiconductor. Diodes emitting various light colors can selectively be formed in different regions of the gradient by etching away a portion of the graded region. Arrays of colored light emitting diodes can be made by the techniques of diffusion and selective etching of the graded material.

REFERENCES:
patent: 3611069 (1971-10-01), Fenner et al.
patent: 3890170 (1975-06-01), Russ
patent: 3942065 (1976-03-01), Russ
patent: 3963538 (1976-06-01), Broadie
Shih et al., I.B.M. Tech. Discl. Bull., vol. 12, No. 1, Jun. 1969, p. 162.
Blum et al., I.B.M. Tech. Discl. Bull., vol. 13, No. 9, Feb. 1971, p. 2494.
Marinace, I.B.M. Tech. Discl. Bull., vol. 11, No. 4, Sep. 1968, p. 398.

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