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Flexible Organic Light Emitting Diode (OLED)

Flexible Organic Light Emitting Diode (OLED). MEEN 3344 Presented by: Hector Vasquez Jr. What is an OLED. A picture is worth a thousand words. What is a video worth. OLEDs other uses. What is the OLED made of and how it is structured.

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Flexible Organic Light Emitting Diode (OLED)

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  1. Flexible Organic Light Emitting Diode (OLED) MEEN 3344 Presented by: Hector Vasquez Jr.

  2. What is an OLED A picture is worth a thousand words What is a video worth

  3. OLEDs other uses

  4. What is the OLED made of and how it is structured • The OLED is made by layers. It consists of a substrate which is made of glass, clear plastic, or foil. The substrate is used to support the OLED. The anode is made of natural graphite particles, which is transparent and is the second layer. The anode layer removes electrons and adds electron holes when a current flows into the devices.

  5. What is the OLED made of and how it is structured • The third layer is the conducting layer. This layer is made of organic plastic molecules and removes the electron holes from the anode. The fourth layer is emissive layer. This layer is also composed of organic plastic molecules, but has a different function. The emissive layer removes electrons from the cathode layer which causes light to be made. The final layer is the cathode. Cathode is made of tungsten but can be made with other materials. It releases electrons when a current flows into the device.

  6. How does it work • OLED do not have a backlight unlike liquid crystal display (LCD). OLED create light by the following process: A battery or power supply sends a voltage through the OLED. An electrical current flows from the cathode to the organic layer and anode. As explained earlier, the anode removes electrons and adds electron holes in the conductive layer. Between the organic layers is where electrons fill the holes and give off energy in the form of photon light.

  7. Reference: • Allen , David (2007,April,12). Sony show off the OLED 11 inch screen TV. Retrieved February 8, 2008, from turbo GADGETS Web site: http://www.turbogadgets.com/2007/04/12/sony-show-off-the-oled-11-inch-screen-tv/ • Anonymous, (2007,July, 18). fossil oled multi-color digital watches revealed. Retrieved February 8, 2008, from technabob Web site: http://technabob.com/blog/2007/07/18/fossil-oled-multi-color-digital-watches-revealed/ • Anonymous, (2003). MARCH 2003. Retrieved February 8, 2008, from Supervideo Web site: http://www.supervideo.com/2003c.htm • Berardini , César A. (2006, January 04). The TeamXbox.com Guide to HDTV. Retrieved February 8, 2008, from IGN Entertainment, Inc Web site: http://features.teamxbox.com/xbox/1427/The-TeamXboxcom-Guide-to-HDTV/p5/ • Freudenrich, Craig (2007). How OLEDs Work. Retrieved January 19, 2008, from How Stuff Works Web site: http://electronics.howstuffworks.com/oled.htm/printable • Lebedev, Art (2005, Sep, 19). Future Look: The Optimus Organic LED keyboard. Retrieved February 8, 2008, from Legit Editorial Reviews Web site: http://www.legitreviews.com/article/247/1/ • Willaims, Martin (2007, January, 01 ). Sony's Flexible OLED. Retrieved February 8, 2008, from Google video Web site: http://video.google.com/videoplay?docid=935742034054120610&q=OLED&pr=goog-sl

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