Recent discussions on whether OLED phone screens harm eyesight have been addressed by technical analysis. According to industry documentation, OLED (Organic Light-Emitting Diode) screens, classified as a type of liquid crystal display, pose no risk to eye health. Since 2003, this technology has been widely adopted in media players due to its ultra-thin profile and energy-saving advantages.
Unlike traditional LCDs, OLED requires no backlight. Instead, electric currents excite thin organic material coatings to emit light. This enables lighter, thinner screens with wider viewing angles and significantly reduced power consumption. Globally, two core OLED systems exist: Japan dominates low-molecular OLED technology, while polymer-based PLED (e.g., OEL in LG phones) is patented by UK firm CDT.
OLED structures are categorized as active or passive. Passive matrices illuminate pixels via row/column addressing, while active matrices use thin-film transistors (TFTs) to drive light emission. Passive OLEDs offer superior display performance, whereas active versions excel in power efficiency. Each OLED pixel independently generates red, green, and blue light. Despite current use in digital devices being limited to prototype stages (e.g., cameras and phones), industry experts anticipate significant market disruption over LCD technology.
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Post time: Jun-04-2025