From lab to lap: Liquid-crystal, electroluminescent, and plasma displays are among the major contenders for use in truly portable computers

A new generation of flat-screen displays are making possible a truly portable computer-one no more cumbersome that a hardcover book. Three main alternatives to the CRT display are available: liquid-crystal, electroluminescent, and plasma displays. The advantages and disadvantages of each of these designs are discussed. Attention is also given to some technical problems that will have to be solved before further advances are possible.