Quantum dot light emitting diodes (QLED); Quantum dots, namely, crystalline semi-conductor material; X-ray sensitive films, exposed, other than for medical use; X-ray film imaging apparatus, other than for medical use; Semiconductors; Electronic components and subsystems, namely, electrical connectors, electric current converters, electric fuses, electronic light dimmers and switches, electric wires, electric batteries, voltage regulators for electric power, transistors, diodes, prerecorded e...