In the meantime, Sony has demonstrated a prototype of a 27-inch version, and other companies have O.L.E.D. sets of their own in the works.
Plastic Logic, a start-up based in Mountain View, Calif., also plans to demonstrate a prototype of its device at a technology conference in New York City on Tuesday.
At the Comdex computer trade show in Las Vegas last week, Microsoft's chairman, William H. Gates, demonstrated a prototype of the company's Tablet PC.
While E Ink demonstrated a prototype of its color display at the Computex trade show in Taipei last week, the current quality is not good.
Mr. Miller will also demonstrate a prototype of the next version of AOL's software, AOL 9.0, which will illustrate some of the company's efforts to fuse its strength in online communications with its new emphasis on online content.
XM also demonstrated a prototype of its next-generation infotainment system, including a rotating on-screen selection that included an electronic programming guide, stock prices, sports scores and other information.
Microsoft has already demonstrated a prototype of Windows 7, the next version of its flagship operating system, based around "multi-touch" capabilities, which allow a touch screen to sense more than one finger at once.
Speaking at the company's developer conference in San Jose, Calif., Paul S. Otellini, the president of Intel, demonstrated a prototype of a hand-held device called the Universal Communicator that is based on an Intel processor and can automatically switch between Wi-Fi and cellular networks.
