Optical semiconductor device

Details Optical semiconductor device Optical semiconductor device

2005-08-23

2005-08-23

Mulpuri, Savitri (Department: 2812)

Semiconductor device manufacturing: process

Making device or circuit responsive to nonelectrical signal

Responsive to electromagnetic radiation

Reexamination Certificate

active

06933169

ABSTRACT:
A LED has a thin highly resistive or insulative layer formed below an electrode pad in order to divert current flow from the region below an electrode pad, which region does not contribute to light emission, to another region which does. Consequently, better current efficiency is obtained. Further, diverting current flow from the region below the electrode pad where mechanical damages are expected deters deterioration of the region. Consequently, the LED lasts longer and is a better quality product.

REFERENCES:
patent: 5550391 (1996-08-01), Yamaguchi
patent: 0622858 (1994-11-01), None
patent: 6-232450 (1994-08-01), None

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