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Silicon wafers to solve blue laser supply problem?
Blue lasers. The little diode is at the heart of Blu-ray and HD DVD technology, and its scarcity is the reason you might be reading this while camping out for a PlayStation 3 right now. Shimei Semiconductor Co. thinks it's found an easier way to make them by growing the gallium nitride LEDs on a silicon wafer instead of the sapphire-based process used currently. The predicted lower cost and longer lifespan of the components sounds great ...too bad these aren't expected to be available until April of 2007. Still, those waiting for a dual-format player -- or maybe a European PS3 -- might have one of these blue lasers in their future.[Via CNet]
Ricoh laser head reads/writes HD DVD and Blu-ray discs
While there is still doubt over if or when a Blu-ray and HD DVD capable drive will be available, Ricoh has created a single laser that is able to read discs in either format. Their new component will be able to read and write to Blu-ray, HD DVD, DVD and CD with one pickup and one objective lens. The 3.5-mm diameter, 1-mm thick round diffraction plate detects what kind of disc has been inserted, and adjusts to change the laser beam as necessary for the format. They'll be showing off the tech later this week at the International Optoelectronics Exhibition '06 in Japan.While both formats use blue lasers they record at different distances and widths, a single head that overcomes those differences could make a dual-format player cheaper and a more realistic possibility if licensing fees and agreements don't get in the way. Ricoh certainly doesn't think they will, saying this technology will "make it possible to build players and recorders for all formats which benefits consumers". That's the triple truth, although if this coming technology at all influenced Toshiba's conciliatory remarks recently is unknown.They see this technology becoming commercially available by the end of this year. It will only be available for playback devices initially, as a higher powered laser is needed for recording. Those of us waiting for a relatively inexpensive solution to the high definition format war will be waiting just a bit longer.
1394 is -- still -- coming to home theater
Things have been a bit quiet on the 1394 front since the HANA announcement, but they want us to know things are still progressing. This article from EETimes goes into the issues faced by the connector and why it hasn't taken off yet. We all want all of our devices to be able to talk to each other and share their content but so far that hasn't materialized. Helping get the ball rolling are planned 1394b support in a Vista service pack and the ability to send 1394 signals over ethernet or coax. Still, many CE manufacturers seem to be backing ethernet and the DLNA as a way of connecting devices, and this stalemate is even more complex than Blu-ray/HD DVD. As it is, most of us have cable or satellite boxes equipped with FireWire, ethernet and USB ports that are mostly unsupported, unless you like to tinker. Is the (easily) connected home 6 months or 6 years away?
Flat optic fibers = cheaper HDTV's?
That's what this Israeli firm says. They claim that they can create LED's for screens that are flexible, consume less power, and have better light dispersion. This way they could work their way into everything from your T-shirt to your HDTV.Of course this could be a ways off as LED's haven't replaced CCFL in LCD screens yet but an HDTV that you can wear? Sounds good to me.
