An optoelectronic device and method for making same in which the device demonstrates efficient fill factor and focuses light upon an optoelectronic element close to the focal point of the light focusing element. The device comprises a substrate supporting an optoelectronic element, a microlens array,...http://www.google.ca/patents/US6043481?utm_source=gb-gplus-sharePatent US6043481 - Optoelectronic array device having a light transmissive spacer layer with a ridged pattern and method of making same