Evaluate SP14Q003-ZZA KOE / Hitachi LCD fit for petrochemical Zone-2 operator station repairs; verify interface, thermal limits and enclosure approval.
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly, instead using a backlight or reflector to produce images in color or monochrome.