Method for manufacturing high efficiency light-emitting diodes

Details Method for manufacturing high efficiency light-emitting diodes Method for manufacturing high efficiency light-emitting diodes

2009-02-25

2011-10-25

Chaudhari, Chandra (Department: 2891)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

Substrate dicing

C257SE21228

Reexamination Certificate

active

08043878

ABSTRACT:
A method for manufacturing a light-emitting device comprising the steps of cutting a light-emitting unit by a laser beam, and cleaning the light-emitting unit by an acid solution to remove by-products resulted from the laser cutting.

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patent: 7183136 (2007-02-01), Hashimura et al.
patent: 2005/0221515 (2005-10-01), Yanashima et al.
patent: 2008/0070380 (2008-03-01), Kusunoki

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