OLEDs « LED Development Blog

OLEDs from Osram Offer Optimized Occular….uh….Did I say They’re Transparent?

January 3, 2008

It’s been awhile since I posted hasn’t it? Sorry. I had a baby in there somewhere and then the holidays came up. It’s good to be back. Well, looks like I missed that Osram is making some noise in the OLED industry with their new high-performance OLEDs that put out 20 lumens per watt with a brightness of 1000 candela per square meter (thats 1000 Nits for all you screen people out there). The really neat features here are that these white OLEDs are transparent (nearly) when off or on. Currently they’re about 55% transparent but Osram is looking to bump that up to 75% with further development. Light output for each side of the OLED can be individually controlled. Think of putting these things into cubicle walls so that during the day, they’re nearly clear like a window and at night, can emit some nice diffuse light into the cube for all your overnight “work” binges. Hey, why not have it emit tons of light OUT from the cube at night so you can get some sleep and blind anyone who comes by to check on your progress? Kewl!

Checkout the full story at LEDs Magazine

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1 Comment | Alternative Lighting, Breathrough Technology, OLEDs | Permalink
Posted by craigbic

Novaled Produces Super Efficient, Super Bright, Superlicious OLEDs

November 13, 2007

Novaled has announced that they now have OLED panels capable of producing 1,000 candela per square meter with an efficiency of 35 lumens per watt with a reported lifetime of 100,000 hours. Thats no small feat. The Color Rendering Index (CRI) was 90. The testing was done with consideration for only the forward light emissions, that is to say all light coming out the back and the sides of the panel was blocked. This accurately mimics a real-world application since these are almost exclusively used ad backlights. Evidentally, they were able to crank up the brightness to 4,000 candela per square meter and the efficiency only dropped to 31lumens per watt with no change in color or CRI.

Kudos to Novaled!

Click here to read the whole story on LEDS Magazine

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Leave a Comment » | Alternative Lighting, Breathrough Technology, LED Manufacturing, LEDs, OLEDs, Solid State Lighting | Permalink
Posted by craigbic

It’s a Bird..It’s A Plane…No It’s Novaled OLEDs of Steel!

October 23, 2007

I couldn’t resist. Sorry. Interesting technology, really. Essentially you deposit OLEDs onto thin, electrically conductive, flexible steel instead of the current thin glass designs and presto-change’o! You’ve got LEDs that can be rolled out by the zillions rapidly onto gigantic rolls like steel for the automobile industry. Try that with glass. BLAM!