9 Solar panels for production of electricity; rechargeable electricity storing printed circuits; solar panels for the production of electricity comprised of semiconductors printed or coated onto a substrate; substrates printed or coated with metallic nanoparticles to store electronic energy for use in wearable computers; semiconductors printed or coated onto a substrate that produce light when supplied with electric power; LED displays comprising thin, flexible, lightweight layers of plastic, metal and fabric with printed text and graphic designs that can be worn, attached to clothing and used on signs, brochures, pamphlets, menus and other printed advertising and informational materials