Patent ID: 6377292
Filing Date: 2002-04-23
Classification: B41J,H01L

Abstract:
A light emitting diode (LED) print head having at least one LED array chip and a printed circuit board on which the LED array chip is mounted, the LED array chip having a first surface, a second surface opposite the first surface, a first edge, a second edge opposite the first edge, and an array of light-emitting diodes emitting light through the first surface, some of the light also leaking through the first edge, wherein the printed circuit board comprises:a component surface with a first region and a second region, the LED array chip being mounted in the first region, the first region extending from the first edge of the LED array chip to the second edge of the LED array chip, the second region being adjacent to the first region and adjacent to all parts of the first edge of the LED array chip; a conductive pattern to which the second surface of the LED array chip is electrically coupled and mechanically bonded in the first region, the conductive pattern being wholly disposed in a part of the printed circuit board outside the second region of the component surface.