Light-emitting device assembly having in-line light-emitting dev

Details Light-emitting device assembly having in-line light-emitting dev Light-emitting device assembly having in-line light-emitting dev

1996-05-23

1999-02-09

Metjahic, Safet

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347238, 347245, B41J 2385, G03G 1304

Patent

active

058701281

ABSTRACT:
There is disclosed a light-emitting device assembly use in a large-sized printhead. The assembly includes a number of insulating substrates including first and second substrates. A conducting layer is formed on each substrate. A conductive adhesive layer is formed on the conducting layer. The conducting layer on the first substrate extends close to the abutting end of this substrate. The conducting layer on the second substrate is set back a first distance from the abutting end of the second substrate. Light-emitting devices are disposed in the vicinity of the abutting end of the conducting layer on the second substrate. Light-emitting devices on the first substrate are made to protrude a second distance greater than the first distance from the abutting end of the first substrate. The light-emitting array protruding from the first substrate is made to bear against the light-emitting device array set back from the abutting end of the second substrate. Thus, the substrates are connected to each other such that the arrays are arranged in line.

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patent: 5477259 (1995-12-01), Iwasa
patent: 5660461 (1997-08-01), Ignatius et al.

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