OLED Displayspeople.uncw.edu/ricanekk/teaching/fall07/csc495/ppts/OLED.ppt · OLED vs. LCD OLED...
Transcript of OLED Displayspeople.uncw.edu/ricanekk/teaching/fall07/csc495/ppts/OLED.ppt · OLED vs. LCD OLED...
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OLED DisplaysPresented by Brett Buddin
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Overview•What are OLEDs?•How do they work?•Benefits•Drawbacks•Potential uses•Development trends
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What are OLEDs?•Light Emitting
Diodes with emissive layers that are made up of organic molecules
•Deposited across a surface to create a display
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Types of OLEDs
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Types of OLEDs
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Benefits
•Lighter weight•Lower power
consumption•Higher contrast
ratios
•Faster response times•Higher viewing angles•More durable
Compared to LCDs and Plasma displays...
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OLED vs. LCDOLED Display Equal Level LCD
DisplayDisplay Size 3.8 inches same
Number of Dots 480x320 same
Number of Colors 262,144 same
Brightness 150 cd/m2 55 cd/m2
Response Time 0.01ms 16ms
Color Gamut ~100% ~40%
Contrast Ratio 1000:1 100:1OLED introduced in the Sony PEG-VZ90
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Drawbacks•Limited life-span of the organic materials• Green and Red: ~20,000 hours• Blue: ~5,000 hours
• Cleanrooms required in production• Currently expensive to produce• Easily damaged by water• Patent has been filed
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Potential uses•Televisions•Computer monitors•Handheld devices•Advertising•Heads-up displays•Lighting
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Development trends•Can be found right now in cell phones,
digital cameras, and PDAs •Life-span of OLEDs is ever increasing•Sony to release the first OLED television
(XEL-1) in December 2007• 11” 960x540
• 3mm thin
• 1,000,000:1 contrast ratio
• ~$1,750
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Development trends
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