Problems with OLEDs - Problems with Blue Organic Light...

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Click to edit Master subtitle style 3/27/11 Problems with Blue Organic Light Emitting Daniel Black University of North Dakota Department of Chemistry Seminar Spring 2011
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3/27/11 Contents Why OLED devices? Applications Advantage Brief history of organic light emitting materials How OLED devices work Problems with Blue OLED devices Color purity 22
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3/27/11 Application of OLED devices Flat panel TVs and Monitors MP3 player screens Cell phone screens Lighting Other portable device displays. Picture: http://features.teamxbox.com/xbox/1427/The-TeamXboxcom- 33
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3/27/11 Why are OLED Devices Important? High brightness and contrast ratio Fast response rate Light weight Low power consumption 44
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3/27/11 1st organic electroluminescence reported by A. Bernanose and co- works Early Work acridine-3,6- diamine 3-N,3-N,6-N,6-N-tetramethylacridine-3,6- diamine N N N N NH 2 H 2 N H N Carbaz ole Bernanose, A. Br. J. of Appl. Phys. 1955 ,6, S54. 55
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3/27/11 History Pope and co-works at the University of New York further explained electroluminescence using anthracene crystals emitting light as a response to electrical current Recombination of electrons and holes
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This note was uploaded on 03/27/2011 for the course CHEM 2211L taught by Professor T.a. during the Spring '08 term at University of Georgia Athens.

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Problems with OLEDs - Problems with Blue Organic Light...

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