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TalkOLED - OLED News and Information - Part 30

New OLED gadget: LG OLED desk lamp

LG Electronics’ OLED desk lamp uses two LG Chem ‘s flexible OLED lighting panels and can be controlled (via Bluetooth) using a smartphone application. The application can be used to choose one of several light modes (for movies, readying, etc.) or dimming and even turn on or off at a predefined time. LG Chem’s flexible OLEDs are 210×50 mm in size (0.33 mm thick), and they offer a color temperature of 4,000K, efficacy of 55 lm/W and a brightness of 73 lumens. The CRI is 90 and the lifetime is 40,000 (LT70). LG Electronics unveiled the desk lamp in April 2014, but they did not reveal actual launch plans or pricing details.

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New OLED gadget: LG OLED desk lamp

New blue TADF OLED emitters are as efficient as the best blue PHOLEDs

Researchers from Kyushu University (led by Chihaya Adachi) developed a highly efficient blue OLED TADF (Thermally Activated Delayed Fluorescence) emitter that achieves almost 20% external quantum efficiency – similar to the best blue phosphorescent emitters. TADF OLEDs are free from the heavy metals used in phosphorescent emitters and so they could be cheaper and better for the environment. The main problem with blue phosphorescent OLEDs is the short lifetime which still makes it impossible to use them in commercial applications. The new TADF blue OLEDs has about the same lifetime as the blue PHOLEDs, but researchers are hopeful that it will be easier to improve the lifetime of the TADF emitters. Read more about New blue TADF OLED emitters are as efficient as the best blue PHOLEDs

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New blue TADF OLED emitters are as efficient as the best blue PHOLEDs