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Member since:2005-07-08
The Unipixel company in Texas had a TMOS panel based on a modified LCD LED structure. They replaced the LCD tricolor cell for a single Time Multiplexed Optical Switch and did RGB in time sequential mode. I had really great hopes for it since Samsung took a license in 09, but no word of it since.
Also they reported the classic LCD cell is less than 5% optically efficient so almost all the CFL or LED light source is turned into heat even for all white display. The TMOS cell is about 60% efficient so that would have been a huge power saver if it was used in tablets or laptops. Oh well, OLED might arrive one day.
Member since:2010-03-08
60% ? Impressive, I wonder how they achieve that. If they start from white light, isn't color filtering supposed to eat its share anyway, even if it's done sequentially ?
I mean, assuming that the Red, Green, Blue was a partition of the optical spectrum with equivalent energy to each color...
-When displaying red, green and blue have to be filtered out, so there go two thirds of the energy.
-When displaying green, red and blue have to be filtered out
-When displaying blue, red and green have to be filtered out
Or isn't it so ?
EDIT : Okay, according to this https://secure.wikimedia.org/wikipedia/en/wiki/Time-multiplexed_opti... , they don't start from white light, but have a light source that can intermittently emit red, green, and blue light instead.
How can such a source work ?
Edited 2011-09-07 07:21 UTC
At an event earlier today, Microsoft unveiled the next Xbox - the third model, but confusingly named Xbox One. The big focus was TV, integrated Kinect, and all the other stuff we all expected to be forced down our throats. I think it took them 25 minutes to actually come to what should be the core of the story: gaming. Nothing groundbreaking in the gaming department, except for how Microsoft intends to handle the used games market and borrowing games from friends: pay up, buddy!
The day has finally come! Jolla has finally announced the launch device for its Sailfish operating system - and by god this is a looker. It's decidedly different from other phones out there, but it has good specifications and carries a relatively reasonably price tag - EUR 399, and it's up for pre-order today, shipping in the fourth quarter of this year.
Why does Google get so much credit in the technology industry? Why, despite the company's many obvious failings, do many geeks and enthusiasts still hold a somewhat positive view on the all-knowing technology giant? A specific talk at Google I/O this week provides the answer.
OSNews is a sponsor of this year's O'Reilly OSCON in Portland, Oregon, USA. A lucky OSNews reader will win a free three-day pass, including two tutorials days. To win the pass, post a comment on this story saying something about Open Source Software or OSCON. We'll pick a winner at random next week. If you don't have an OSNews account, you may email us your entry. Part of the conference is the 9th annual Open Source Awards, and today the 16th is the deadline for nominations. If you'd like to nominate an outstanding open source contributor, do it here. Read on for more information about OSCON. Update: The 20% discount code for OSNews readers is "OSN."
"Windows is indeed slower than other operating systems in many scenarios, and the gap is worsening." That's one way to start an insider explanation of why Windows' performance isn't up to snuff. Written by someone who actually contributes code to the Windows NT kernel, the comment on Hacker News, later deleted but reposted with permission on Marc Bevand's blog, paints a very dreary picture of the state of Windows development. The root issue? Think of how Linux is developed, and you'll know the answer.
This is one of those news items that's fun to write, fun to read, fun to comment on, and where no one will be able to say anything unkind. It's all just one big ball of awesome fluffiness. TuneTracker, the BeOS radio automation software, has just released something very special: TuneTracker System 5, the first version designed entirely and specifically for Haiku. In fact, it actually includes Haiku in the software package. Better yet, TuneTracker also unveiled several system-in-a-box products - which have Haiku and TuneTracker pre-installed.
Exactly twenty years ago, a document was published that played a huge role in establishing the web as we know it today. Twenty years later, and this simple and straightforward document is proof of an irrefutable fact: while closed technologies can change markets, open technologies can change the world.Oh multitasking. That staple of computing that got thrown out the window with many modern smartphones. We got some rudimentary thing in its place - but even as multitasking on phone and tablets improves, its user-visible side remains cumbersome. Windows 8 has a neat implementation, and now it's time Android follows in it footsteps.They're here! Whether that excites you or not remains to be seen, but the Galaxy S4, which will most likely become the best selling Android smartphone of the year by a huge margin, has been reviewed by all the major sites, and there's lots of interesting conclusions in there - although I think most of you will get the gist.Nokia has posted its quarterly results for the first quarter of 2013, and just like the quarters that came before, there's not a whole lot of good news in there. The rise in Lumia sales still can't even dream of making up for the sales drop in Symbian phones, and when broken down in versions, the sales figures for Windows Phone 8 Lumias in particular are very disappointing. In North America, Nokia is getting slaughtered.
Member since:
2010-03-08
Most stuff sold as a LED screen nowadays is just a LCD with a white LED backlight. More than 30% of the input energy still gets converted to heat in the most optimistic case of displaying a white image. I'd love to see OLEDs and reflective technologies everywhere, but we're not there yet.
Also, glare does not come from the LCD technology itself, but from manufacturers' choice to put a polished, shiny coating in front of the screen. I've heard that it makes sense for touchscreens and ensures truer color rendering, but I'm not convinced that the benefits outweight the costs.
Edited 2011-09-06 11:59 UTC