Legal Battles Put SED on the Rocks
January 1, 2007 2:29 PM
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Surface-conduction electron-emitted displays continue to face delays
Due to an ongoing lawsuit between Canon and Nano-Proprietary, Toshiba may be forced to suspend development and manufacturing of SED, or surface-conduction electron-emitted display.
The pending lawsuit revolves around Nano-Proprietary's patent of the SED technology and its licensing with Canon, Inc. Applied Nanotech, a subsidiary of Nano-Proprietary, licensed out their SED technology for Canon to manufacture exclusively -- not a Toshiba-Canon partnership.
That didn't stop Toshiba-Canon from announcing
production would start this past July
, even though the joint venture did not have a production facility.
reported earlier this morning the groundbreaking on the Toshiba-Canon SED facility
will likely be delayed
due to the legal battle between Toshiba-Canon and Nano-Proprietary.
The suit was filed in April of 2005 (
) with Nano-Proprietary seeking a declaratory judgment that the manufacturing of the SED by the joint venture of Toshiba-Canon, Inc. does not meet the details of the non-exclusive 1999 patent license agreement granted to Canon, Inc. by SIDT. SIDT changed its name to Nano-Proprietary shortly after the agreement was reached.
With billions in potential income resting on the outcome of the litigation, Toshiba and Canon, Inc. hope for a quick resolution. A trial date has been set for May of '07, but the two companies are said to be discussing possible settlements. A motion to expedite the ruling was
denied in November 2006
During a press release on December 20, Toshiba America said the 55-inch SED demo would not be at
. No official information was released about why the display was cancelled, but representatives from Toshiba stated in notes sent to appointment-only viewers of the demo that the delay was neither due to technical nor business-related issues.
Developers claim that the SED technology is able to deliver response times under a millisecond. Another one of
include the ability to produce TV's over
in diameter that are only a few centimeters thick. The big selling point for the SED is the power consumption is equal to about one thirds that of an LCD and can support full HD resolution (1,920 x 1,080 pixels).
Expected launch of the Toshiba SED was scheduled for the fourth quarter of 2007, but Toshiba President and Chief Executive Atsutoshi Nishida since stated that he wanted the company release SED displays in conjunction with the 2008 Beijing Olympics.
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Future Display tech
1/2/2007 2:28:04 AM
OLED due to Patent reason and technical limitation ( now) it will still be at least 4 - 5 years away before we see large size of OLED possible. Not to mention Large production.
Laser TV hasn't show much of it yet.
Which left with SED and LED LCD.
We all know how good SED image quality is. Low response time and it uses lower power. However doesn't it emit more radiation much like CRT Monitor?
LED LCD also promise to use lower power as well as high contrast and good colour range. ( Dont know about response time ).
So how do these 2 compare. Which i dont seems to find much with google.
RE: Future Display tech
1/2/2007 4:34:38 AM
I don't know how we progressed from CRT to LCD Plasma instead of CRT to SED?
The whole LCD Plasma thing reminds of me of Roman to Middle Age back padle.
CRT to SED seems more like a natural progression doesn't it?
Who the heck came up with idea of LCD TVs anyway?
It just sucks that we had to go though all those troublesome and flawed technologies just to end up going back to the phosphor based technology.
crappy rearprojector lamp life, Burn-in, THE colour wheel rainbow effect, refresh rate, colour limitation and what not I just wanna forget about it.
RE: Future Display tech
1/2/2007 4:39:27 AM
Oh I forgot to add DLP on the top.
LCOS is alright I think....
RE: Future Display tech
1/2/2007 9:41:45 AM
> "We all know how good SED image quality is. Low response time and it uses lower power. However doesn't it emit more radiation much like CRT Monitor? "
Don't forget blacker blacks, a much higher contrast ratio, and the ability to support far higher resolutions than LCD can ever hope to touch (300ppi is supposed to be trivial for SED).
As for the 'radiation' question, its a nonissue. SED uses a slightly lower accelerating voltage than do CRTs...and those are already extremely safe.
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