LED recording head including a carrier strip with spaced module

Details LED recording head including a carrier strip with spaced module LED recording head including a carrier strip with spaced module

1994-06-08

1996-05-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347245, B41J 245, B41J 2435

Patent

active

055194303

ABSTRACT:
A recording head is described having mounted thereon M modules, each module comprising an array of N LEDs and associated drivers. The recording head comprises a carrier bar, and a carrier strip fixedly and electroconductively and thermoconductively secured to a surface of the carrier bar. The carrier strip comprises along one side thereof M spaced individual module carriers connected with the rest of said carrier strip by means of at least one frangible zone. M LED dies and associated driver module dies are fixedly secured to the surface of said M module carriers, each die containing an array of N linearly arranged LEDs. The array of N LEDs of each die overlaps the space between the spaced individual module carriers in order to come in abutting relationship with the end or ends of neighboring N LED arrays. In said LED array a module carrier on which a defective module is present can be replaced without damaging the adjacent modules.

REFERENCES:
patent: 4536778 (1985-08-01), De Schamphelaere et al.
patent: 4821051 (1989-04-01), Hediger
patent: 4856168 (1990-01-01), Newman et al.
patent: 5014074 (1991-05-01), Dody et al.

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