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An organic light emitting diode (OLED), also light emitting polymer (LEP) and organic electro luminescence (OEL), is any light emitting diode (LED) whose emissive electroluminescent layer is composed of a film of organic compounds. The layer usually contains a polymer substance that allows suitable organic compounds to be deposited. They are deposited in rows and columns onto a flat carrier by a simple "printing" process. The resulting matrix of pixels can emit light of different colors.

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Wikipedia About OLED

OLEDScreen.jpg

An organic light emitting diode (OLED), also light emitting polymer (LEP) and organic electro luminescence (OEL), is any light emitting diode (LED) whose emissive electroluminescent layer is composed of a film of organic compounds. The layer usually contains a polymer substance that allows suitable organic compounds to be deposited. They are deposited in rows and columns onto a flat carrier by a simple "printing" process. The resulting matrix of pixels can emit light of different colors.

Such systems can be used in television screens, computer displays, small, portable system screens such as cell phones and PDAs, advertising, information and indication. OLEDs can also be used in light sources for general space illumination, and large-area light-emitting elements. OLEDs typically emit less light per area than inorganic solid-state based LEDs which are usually designed for use as point-light sources.

A significant benefit of OLED displays over traditional liquid crystal displays (LCDs) is that OLEDs do not require a backlight to function. Thus they draw far less power and, when powered from a battery, can operate longer on the same charge. Because there is no need for a backlight, an OLED display can be much thinner than an LCD panel. Degradation of OLED materials has limited their use so far.

History

A. Bernanose and co-workers at Université de Nancy, France, first produced electroluminescence in organic materials in the early 1950s by applying high-voltage alternating current (AC) fields in air to acridine orange and quinacridine either deposited on or dissolved in cellulose or cellophane thin films. They proposed a mechanism of either direct excitation of the dye molecules or excitation of electrons.

In 1960, Martin Pope and his group made the seminal discovery of ohmic, dark injecting electrode contacts to organic crystals, and described the necessary energetic requirements (work functions) for hole and electron injecting electrode contacts. Dark injecting hole and electron injecting electrode contacts are the basis of all current OLED devices, molecular and polymeric, as will be pointed out in the description of the requirements for the construction of successful OLEDs.

In 1963, Martin Pope and his group made the first observation of direct current (DC) electroluminescence, under vacuum, on a pure, single crystal of anthracene, and also on anthracene crystal doped with tetracene. The injecting electrode was a small area silver electrode, at 400 V DC, and the proposed mechanism was field accelerated electron excitation of molecular fluorescence.

In 1965, Martin Pope and his group refined their experiment and showed that in the absence of an external electric field, the electroluminescence in anthracene single crystal was caused by the recombination of a thermalized electron and hole. This paper proved conclusively that the conducting level of anthracene is higher in energy than the exciton energy level.

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News about OLED

Sony's X-Series OLED Walkman Prices Confirmed: $299 for 16GB, $399 for 32GB [Sony]

GizmodoSony's OLED, Wi-Fi Walkman has been stickered with $299 and $399 prices for the 16GB an 32GB models, respectively. This had been predicted through amusingly earnest imaginary currency conversion, but...http://gizmodo.com/5251933/sonys-x+series-oled-walkman-price...

German researchers show off steering wheel-mounted OLED

EngadgetWe've already seen OLED displays that promise to squeeze into a rearview mirror and other parts of a vehicle, and it looks like Germany's CARO research association has now found yet another place to stick one: right in the middle of the steering wheel. As you can see above, that would effectively replace the center emblem in the steering wheel (the gauges are just for show, apparently), which ...http://www.engadget.com/2009/05/12/german-researchers-show-o...

Researchers Develop Super-Flexible, Rubber-Like OLED Display

Fast Company MagazineIt may not be practical for everyday TV watching, but University of Tokyo researchers have developed a stretchy rubber-like OLED display that could provide a low-power alternative for 3D displays of all stripes. The organic electroluminescent (EL) display, which is thinner and less power-hungry than equivalent plasma and LCD screens, is produced through a cheap industrial printing process by ...http://www.fastcompany.com/blog/ariel-schwartz/sustainabilit...

Sony X-series OLED Walkman priced, hitting UK tomorrow

EngadgetWe don't see an official press release yet but Pocket-lint and other UK sites are claiming that Sony's OLED Walkman will hit the UK high streets starting tomorrow. The hotly anticipated X-series Walkman will be priced at £209 for the 16GB model or £279 for the 32GB model. We'd translate those numbers to US dollars but we don't want to scare the natives with the UK markup for consumer electronics...http://www.engadget.com/2009/05/12/sony-x-series-oled-walkma...

Tokyo researchers develop rubber-like OLED display

MacNNResearchers at the University of Tokyo have developed an OLED display that is flexible and can be folded or stretched without a decrease in image resolution or quality. Thus far, the prototypes are monochrome and are shaped like a sphere that shows land and water weather data as well as a face that can change expression. They are made by spraying a layer of carbon nanotubes with a fluoro-rubber .....http://www.macnn.com/articles/09/05/11/rubber.like.oled.disp...

News about Oled

Researchers develop printable rubber-like OLED displays

ZDNet BlogsSomeya first combines carbon nanotubes with an ionic liquid–a liquid containing charged molecules–and a liquid polymer to make a nanotube-rubber paste. Then comes the crucial part: a high-pressure jet that spreads the nanotubes in the rubber. The ... http://blogs.zdnet.com/emergingtech/?p=1541

Sony Unveils the X-series Walkman(R), Delivering an Unrivaled Portable ...

Biloxi Sun HeraldA premium portable entertainment device, the X-series (NWZ-X1000 models) is Wi-Fi enabled and features an Organic Light Emitting Diode (OLED) touch screen, Sony's Digital Clear Audio Technologies, as well as embedded content provided by Slacker(R ... http://www.sunherald.com/prnewswire/story/1342217.html

Panasonic to launch 40-inch OLED TV in 2009

T3.comThink Sony's XEL-1 OLED TV was swish? Just you wait until next year, when it's rumoured Panasonic will launch a 40-inch OLED TV for consumers, thanks to a new partnership with Sumitomo Chemical, a Japanese group of businesses devoted to green issues ... http://www.t3.com/news/panasonic-to-launch-40-inch-oled-tv-i...

eMagin Corporation Appoints Paul Campbell as CFO

MSN MoneyCentraleMagin Corporation EMAN , the leader in OLED microdisplays, announced today that Paul Campbell has been appointed Chief Financial Officer. Mr. Campbell has served as the Company’s interim CFO since April 18, 2008. “Paul has been an invaluable ... http://news.moneycentral.msn.com/provider/providerarticle.as...

Behold The Future! OLED Gadgets Arrive

The Money TimesInvesting in exciting but unproven companies can be frustrating -- especially during a recession. But the long-range rewards are worth all the short-term pain. Longtime Motley Fool Rule Breakers pick Universal Display (Nasdaq: PANL) is no exception ... http://www.themoneytimes.com/featured/20090508/behold-future...

Search results for Oled

Oled -- Engadget HD

With the news that OLED will finally be arriving in decent sizes as soon as next year, but is anyone still waiting? When you think about your next TV, are you planning on ... http://www.engadgethd.com/category/oled/

OLED TV Displays OLED-Monitor-> Infos-News-Resources

OLED Display information website | Organic LED news and infos!http://www.oled-display.net/

Oled -- Engadget

Electrical engineering researchers at the University of Tokyo have developed a flexible, stretchable OLED that acts something like rubber, and does not tear or break when stretchedhttp://www.engadget.com/tag/oled/

OLED TV News|Infos Display|Monitor|OLED-Beleuchtung

OLED TV -> News Infos ueber die naechste Flat-TV Generationhttp://www.oled.at/

OLED

Organic light emitting diodes (OLEDs) offer great promise in displays of all sizes and shapes, and in both commercial and home lighting solutions.http://www.oled-a.org/

Wikipedia results for Oled

Organic light-emitting diode - Wikipedia, the free encyclopedia

An organic light emitting diode (OLED), also light emitting polymer (LEP) and organic electro luminescence (OEL), is any light emitting diode (LED) whose emissive ... http://en.wikipedia.org/wiki/OLED

Active-Matrix OLED - Wikipedia, the free encyclopedia

AMOLED is the acronym for active-matrix organic light-emitting diode, an emerging display technology for use in mobile devices like mobile phones.http://en.wikipedia.org/wiki/AMOLED

Optimus Maximus keyboard - Wikipedia, the free encyclopedia

OLED (Organic Light Emitting Diode) screen for keys; USB 2.0 (or 1.1) connectivity; 4-5 year lifetime; A key-saver mode; Support for animation on keys at 10 FPS per second minimumhttp://en.wikipedia.org/wiki/Oled_keyboard

File:OLED schematic.svg - Wikipedia, the free encyclopedia

OLED_schematic.svg ‎ (SVG file, nominally 793 × 319 pixels, file size: 28 KB)http://en.wikipedia.org/wiki/File:OLED_schematic.svg

OLED TV - Wikipedia, the free encyclopedia

Roll up TV is a developing technology, in which a television screen or computer display is modified to display on a paper thin surface that can be rolled up and stored.http://en.wikipedia.org/wiki/Flexible_OLED_display
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Videos found for OLED

CES 2008 - SONY OLED TV

CES 2008 - SONY OLED TVCES 2008 - SONY OLED TV http://www.engadget.com http://www.mahalodaily.comFlash - Video

Sony Flexible OLED: First Look Revi...

Sony Flexible OLED: First Look ReviewBend me shape me any way you want me.... ok so they're not quite there yet but Sony displayed their Flexible OLED demonstrator at CES. Stuart Miles checked it out.Flash - Video

First Look Reviews: Samsung OLED TV...

First Look Reviews: Samsung OLED TV showcaseSamsung showcases "TVs of the future" with a new range of OLED TVs. Stuart Miles got a first look.MPEG 4 - Video

Sony's Flexible OLED

Sony's Flexible OLEDThis clip shows Sony's new flexible OLED display. Its only 0.3mm thick and fully flexible. You can see how the presenter is bending it and how the movie is still being playedFlash - Video

Nikkai Oled key - Live from CEATEC ...

Nikkai Oled key - Live from CEATEC TokyoNikkai Oled key... use in Optimus maximus keyboard ? www.akihabaranews.comMPEG 4 - Video

Answers for OLED

JonWhats the difference between OLCD and OLED?JonAn organic light emitting diode actually emits light. An organic liquid crystal display simply gates light from another source, such as a lamp behind the display screen.Alejandro Sis there a way to manufacture OLED at home?Alejandro Sthe interface would be the hardest part to construct... the behaviors there rely heavily on uniformity and being free of defects. that being said, a crappy diode will still likely produce light, but j...af33wakeAre more electronic companies besides SONY investing time and research into OLED?af33wakeOLED-TV Forecast is bright and Samsung,Seiko Epson and eventually every make will be switching to the new exciting products. Samsung Electronics has developed the first 31-inch AM OLED TV in the wo...dinkyrpgWho should I invest in for OLED tech?dinkyrpgLooks like a penny stock. Stay away from those.JasonWill Apple come out with OLED displays in their notebooks?JasonThey will eventually, costs are kind of high though. No one knows until Apple displays it on their website, it's all speculation...
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