- Lumex, Inc. for 30 years, Lumex has been a global leader in the optoelectronics industry, with the broadest range of high efficiency, high performance LEDs and LCDs in the industry. With thousands of standard products and a focus on semi-custom and custom designs, Lumex is a valuable resource for quality and innovation. Lumex's optical range encompasses a wide spectrum including UV, visible and infrared wavelengths. Lumex's team of Technical Design Specialists are experts in collaboratively developing effective, smart solutions from the most complex design dilemmas.