As CTO of the One Laptop per Child project, Mary Lou Jepsen discovered that a laptop could be many times cheaper and more power efficient if the display was made differently. Thus, she designed a liquid-crystal display that consumes only a fraction of the power of normal displays. And to ensure that it could be manufactured cheaply, she made certain that it could be built using existing LCD manufacturing technology.
Earlier this year, Jepsen cofounded Pixel Qi (pronounced "Pixel Chee"), a startup based in San Francisco that will make displays using her 48 patents on display technology.
Full story from Technology Review.