With the imaging
appliance revolution underway, the need for more advanced handheld devices that
will combine the attributes of a computer, PDA, and cell phone is increasing
and the flat-panel mobile display industry is searching for a display
technology that will revolutionize the industry. The need for new lightweight,
low-power, wide viewing angled displays has pushed the industry to revisit the
current flat-panel digital display technology used for mobile applications.
Struggling to meet the needs of demanding applications such as e-books, smart
networked household appliances, identity management cards, and display-centric
handheld mobile imaging devices, the flat panel industry is now looking at new
and revolutionary form of displays known as Organic Light Emitting Diodes
(OLED).
OLEDs offer higher
efficiency and lower weight than many other types of displays, and are present
in myriad forms that lend themselves to various applications. Many exciting
virtual imaging applications will become a reality as new advanced OLED - on -
silicon micro displays enter the market place over the next few years.
The field of semi
conducting polymers has its root in the 1977 discovery of the semi conducting
properties of polyacetylene. This breakthrough earned Alan Heeger, Alan
MacDiarmid, and Hideki Shirakawa the 2000 Nobel Prize in Chemistry for 'the
discovery and development of conductive polymers'. The physical and chemical
understanding of these novel materials has led to new device applications as
active and passive electronic and optoelectronic devices ranging from diodes
and transistors to polymer LEDs, photodiodes, lasers, and solar cells. Much
interest in plastic devices derives from the opportunities to use clever
control of polymer structure combined with relatively economical polymer
synthesis and processing techniques to obtain simultaneous control over
electronic, optical, chemical, and mechanical features.
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