There's an interesting article in the Electronic Design magazine I just received that might interest TV guys. It's about innovations being introduced into LCD designs specifically for the larger displays and faster motion required for TV applications, and to accommodate color response differences compared with CRTs. The article is at http://www.elecdesign.com/Articles/ArticleID/8365/8365.html The business about getting data to the pixels is interesting in that it mimics what happened in computer backplane designs. As clock rates went up, the width of card cages became a real issue. Same happens with LCDs. One of the solutions he's discussing for LCDs is exactly the same as what computer backplanes are having to do: stop using linear parallel buses and go to serial point to point topologies. Interesting discussion about the differences in primary color responses between LCDs and CRTs. Seems LCDs have too much blue, when close to white, and too much red, when close to black. The article lists the highlights in a handy sidebar. Bert ------------------------- HIGHLIGHTS: =20 The Panel-Size Issue Though today's differential bus architectures excel at delivering the bandwidth needs across a 15- to 19-in. panel, signal integrity becomes a problem as panel size increases. =20 The Color-Depth Issue The trend for televisions is a color depth of 1 billion colors (10-bit color), creating an eightfold increase in decode logic and making column-driver die size and cost nearly prohibitive. One suggestion is to change from the traditional R-DAC architecture. Motion-Video Performance Numerous companies are working on proprietary solutions for response-time compensation. These would ultimately raise LCD motion-video performance to match or exceed today's high-end TVs. =20 Color Quality Solving color-quality problems typically involves the timing controller, which manipulates incoming digital data via data expansion and dithering. However, a programmable voltage-to-luminance function for each pixel color will probably be the way to go. Sidebar: A History Of LVDS And RSDS Interfaces This sidebar discusses how the low-voltage differential signaling and reduced-swing differential signaling interfaces improved LCD data flow. ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.