Light emitting diode, light emitting device using the same,...

Details Light emitting diode, light emitting device using the same,... Light emitting diode, light emitting device using the same,...

2006-04-11

2006-04-11

Williams, Joseph (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

C438S020000

Reexamination Certificate

active

07025651

ABSTRACT:
Disclosed is a LED which can be mounted at high density on a large area display. Having a hole for heat sink in the ceramic substrate, the LED is superior in heat sink property. In order to fabricate the light emitting device, first, a secondary ceramic sheet is stacked on the ceramic substrate, followed by forming electrodes in a predetermined pattern on the secondary ceramic sheet around the hole for heat sink. On the ceramic substrate, an upper ceramic sheet with an opening is stacked to form a stacked ceramic substrate in such a way that a part of the electrodes are exposed through the opening. After co-firing the stacked ceramic substrate, a light emitting diode chip is mounted on the secondary ceramic sheet at a position corresponding to the hole for heat sink. Then, the electrodes are electrically connected with the LED chip, and the LED chip is sealed with insulating resin. A light emitting device using the LED and a fabrication method therefor are also disclosed.

REFERENCES:
patent: 5998925 (1999-12-01), Shimizu et al.
patent: 6069440 (2000-05-01), Shimizu et al.
patent: 2000-315826 (2000-11-01), None

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