The technologies in the global Ultra HD television market have undergone significant changes in recent years, with a shift from Liquid-Crystal Display (LCD) technology to Organic Light-Emitting Diodes (OLED) technology. OLED technology offers several advantages over LCD, including better contrast ratios, faster response times, and wider viewing

The technologies in the global smoke alarm market have undergone significant changes in recent years, with a notable shift from ionization smoke alarms to photoelectric smoke alarms. This transition has been driven by a growing awareness of the limitations of ionization alarms, which are prone to false alarms and may not effectively detect smold