Jefferson Y. Han (born 1975) was a research scientist for New York University's (NYU) Courant Institute of Mathematical Sciences until 2006, and one of the main developers of "multi-touch sensing", which unlike older touch-screen interfaces was able to recognize multiple points of contact.
He presented his multi-touch sensing work in February 2006 at the TED (Technology Entertainment Design) Conference in Monterey, California. TED released the video online 6 months later and it spread quickly on YouTube.
Han founded a company called Perceptive Pixel to develop his touch screen technology further, and he has already shipped touch screens to parts of the military. Han's technology has been featured most notably as the "Magic Wall" on CNN's Election Center coverage. Han's company was acquired by Microsoft in 2012, where he remains General Manager of Perceptive Pixel hardware.
He is the son of middle-class Korean immigrants who emigrated to America in the 1970s.
Han graduated from The Dalton School in New York in 1993 and studied computer science and electrical engineering for three years at Cornell University before leaving to join a start-up company to commercialize the CU-SeeMe video-conferencing software that he helped develop while an undergraduate at Cornell.
Han was named to Time magazine's 2008 listing of the "100 Most Influential People in The World".
- Jeff Han on TED Talks on YouTube
- Can't Touch This Fast Company, February 2007
- "CNN clarifies complex caucus cavalcade with new ‘Magic Wall’". BroadcastEngineering. January 4, 2008. Retrieved 2008-03-03.
- "Jeff Han - The 2008 TIME 100 - TIME". Time. 2009-04-30. Retrieved 2010-05-06.
- Jeff Han's Multitouch Demo (II) (2007Mar21)
- Jeff Han: A year later (Wired Magazine)
- Jeff Han demonstrating multi-touch interface on big screen
- Jeff Han's 10 min Talk at TED Conference (2006) Monterey, CA
- Jeff Han homepage at NYU
- Specific Multi-Touch Sensing work - includes video
- Transcript of a presentation delivered at ETech on 7 March 2006
- Presentation over YouTube
- Perceptive Pixel
- TED Talks: Jeff Han demos his breakthrough touchscreen at TED in 2006
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