LG Display Garners OLED Eco-Product Certification
LG Display, the developer of video display panels for television sets and other devices, said Thursday that televisions based on its organic light emitting diode (OLED) technology recently earned Eco-Product Certification from third-party testing-firm SGS (Société Générale de Surveillance).
The evaluation found OLED displays possessed superior environmental attributes to advanced LCD-based products in three key areas: lower indoor air contaminants, the use of fewer hazardous substances and greater efficiency in product recycling.
The South Korean company said the evaluation is especially relevant in this time of the COVID-19 pandemic when people are forced to spend more time in closed quarters watching more hours of television.
SGS, which is a Swiss-based inspection, verification, testing, and certification entity, found emissions of total volatile organic compounds (VOCs) were more than 50% lower in LGD OLED panels than TV panels using LCDs. The company explained that VOCs are associated with a range of health risks and illnesses including so-called “sick building syndrome.”
“As they are often released by plastics, LCD TVs emit more VOCs because they use more plastic-based sheets and parts for their backlights, whereas OLED’s self-luminous display technology requires no backlight,” LGD’s statement on the OLED testing results said.
In addition to making OLED panels, LGD has been one of the world’s largest suppliers of LCD panels for many years. However, it has recently started to downscale and exit LCD panel production as new giant China-based LCD fabs have started to dominate the world’s LCD panel supply. LG Electronics, the consumer electronics arm of LG, also continues to sell both OLED and LCD television sets.
Regarding the use of hazardous materials in OLED panels, LGD said that unlike some more advanced LCD TVs, “OLED TV panels do not use any parts containing hazardous substances such as cadmium and indium phosphide, which are Group 1 and Group 2 carcinogens respectively as classified by the International Agency for Research on Cancer under the World Health Organization.”
The study also found that OLED TV panels offer high-efficiency attributes for recycling materials at the end of product life. This is due largely to the need for fewer parts than LCDs.
LGD added that it is working to expand production of more eco-friendly products. The company said it uses its own Eco Index evaluation criteria to develop products to improve and verify “its use of recycled materials, lower its energy consumption, and reduce its use of hazardous substances.”
In that regard, the company said it recently reduced the use of packaging material by recycling OLED panel packaging.
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By Greg Tarr
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