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universaldisplay.com
Universal Display Corporation
CBS News features ?OLED pioneer? Universal Display and reports on OLED technology as a long-term, energy-efficient lighting solution Click for Video New Light-Blue UniversalPHOLED? emitter system introduced for major performance enhancements for PHOLED
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computer-rameshsujit.blogspot.com
computer
computer Friday, February 25, 2011 TRANSISTOR Transistor is an electronic device which helps to amplify input signal to produce high output signal. It is made from semi-conductor materials. It consists of three materials as Emitter, collector and base. It is used in circuit to amplify video signal, voltage signal etc.It is of two types NPN transistor and PNP transistor.NPN transistor has p type semi conductor material sandwiched between N type semi-conductor materials from both side whereas IN