JVC announced at InfoComm 2007 a 1.27-inch 4K2K D-ILA chip for use in projectors that offer up more than four times high-definition resolution. Intended initially for medical, modeling, and simulation use, the chip can produce a ten-megapixel 4096x2400 pixel image with a 20,000:1 contrast ratio. While DLP-based
4K 2K projectors are currently in use in some digital cinemas, the JVC chip will be used in D-ILA, a variant of LCoS (Liquid Crystal on Silicon), and has a higher pixel density. Much like professional racing technologies trickle down to the average sedan on the street, the research that goes into 4K projectors can also make their way to HDTVs in the home, bringing smaller, higher-definition sets to a living room near you. We say bring on the quad-split-screen HD!
Edit: Texas Instruments informs me that they do not offer any 4K DLP cinema projectors, only 2K (1080p).