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....http://www.google.es/patents/US7811845?utm_source=gb-gplus-sharePatente US7811845 - Method for manufacturing high efficiency light-emitting diodes
Method for manufacturing high efficiency light-emitting diodes
