Descriptors | Electrical components, Electrical equipment, Electronic equipment and components, Liquid crystal devices, Optoelectronic devices, Display devices, Semiconductor devices, Assessed quality, Quality assurance systems, Qualification approval, Approval testing, Inspection, Specification (approval), Marking, Grades (quality), Sampling methods, Testing conditions, Statistical quality control, Optical properties of materials, Optical measurement, Environmental testing, Mechanical testing, Endurance testing, Test specimens |