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Category : Automation, process control equipment, industrial communications > Counters, digital displays, indicators

OLED Displays

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Organic Light-Emitting Diode (OLED) Display Panel, or Organic Electroluminescence (OEL), possesses the new generation technologies that other flat displays are hard to accomplish –brighter and clearer full color images with more agile responding speed.The basic structure of OLED is a sandwich formed with a thin and transparent semi conducting anode of Indium Tin Oxide (ITO) and a metal cathode on both sides of an organic substrate. The organic material comprises hole transmission layer (HTL), emitting layer (EL) and electronic transmission layer (ETL). When a proper voltage provided by the battery (low voltage property) is applied, holes injected in the anode and electric charges from the cathode meet and combine at the illuminating layer and excite electroluminescence; structure of the organic layer and design and choice of the anode and cathode are key factors to the light emitting efficiency of the OLED device

Article from Densitron


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List of all articles in this sub-category Counters, digital displays, indicators

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