- published: 15 Jun 2012
- views: 188619
An organic light-emitting diode (OLED) is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current. This layer of organic semiconductor is situated between two electrodes; typically, at least one of these electrodes is transparent. OLEDs are used to create digital displays in devices such as television screens, computer monitors, portable systems such as mobile phones, handheld game consoles and PDAs. A major area of research is the development of white OLED devices for use in solid-state lighting applications.
There are two main families of OLED: those based on small molecules and those employing polymers. Adding mobile ions to an OLED creates a light-emitting electrochemical cell (LEC) which has a slightly different mode of operation. OLED displays can use either passive-matrix (PMOLED) or active-matrix (AMOLED) addressing schemes. Active-matrix OLEDs (AMOLED) require a thin-film transistor backplane to switch each individual pixel on or off, but allow for higher resolution and larger display sizes.
All about Light Emitting Diodes and Organic LEDs. How they work, the difference between them. We go to the Moser Baer lab to look at OLEDs under review. Learn about the inventors of the lights at the end of the program. LEDs use pn junctions where holes and free electrons combine to form a photon at the boundary between the p and n type materials. The OLED uses thin organic (molecule with carbon) layers evaporated or deposited on a flat substrate material. The LED was invented in 1961 at Texas Instruments and the first OLED was developed at Kodak in the 1980s.
Organic Light Emitting DiodesOrganic Light-Emitting Diode technology, also abbreviated OLED, is relatively new but very promising, especially what concerns design of data display devices. OLEDs' main difference from other LEDs is that they are made of organic compounds which emit light in response to an electric current. This feature determines their main properties.OLEDs are made of special thin-film multilayer structures. These layers are special polymers. There is anode and cathode. Electrons can flow between them. When positive voltage is applied to the anode then electrons from the cathode start moving towards it. That means that the cathode emits them into the emissive layer while the anode gets them from a conductive layer. As the result of the flow of charged particles the layers a...
Organic-LED state of the art rearlight of the Audi A8 (D5) ► Subscribe here: http://goo.gl/IkIKxo --------------------------------------------- ► Instagram: http://goo.gl/cVEQKG --------------------------------------------- ► Like us: http://goo.gl/YAdLja ---------------------------------------------
What's the future of display technology? Four letters: O-L-E-D. Organic Light Emitting Diode displays deliver picture quality LCD, LED and Plasma can't match, while being thinner and even highly flexible. Here are two demonstrations of OLED tech from the LG Keynote - without any chatter. Enjoy. SUBSCRIBE FOR THE LATEST VIDEOS http://www.youtube.com/subscription_center?add_user=DigitalTrends VISIT DIGITAL TRENDS http://www.digitaltrends.com/ CHECK OUT OUR LATEST PODCAST http://www.digitaltrends.com/podcasts/ https://www.facebook.com/digitaltrendsftw https://twitter.com/digitaltrends https://plus.google.com/+digitaltrends/posts
A SixtySec short clip describing what is Organic LED, in relation to material and processes as presented by Dr. Wong. The full tutorial and more information on OLED can be found on https://www.exploregate.com/Search?topic=12⊂_topics=29&text;_input=
Jeri demonstrates how to make OLED's and shows the band gap of materials.
OLED technology is yet another example of Audi's pioneering work in the vehicle lighting area. The abbreviation stands for organic light emitting diode. Unlike the LEDs currently in use, which consist of semiconductor crystals, OLEDs are made from an organic material. The material is spread extremely thinly -- the coating is only a few thousandths of a millimeter thick -- on an absolutely flat surface such as highly polished display glass. When an electrical voltage is applied, the molecules emit photons and the surface lights up. The light distribution is very homogeneous and very energy-efficient. They are ideally suited for use inside the vehicle or in rear lights. External light design using OLED technology, which Audi is aiming to adopt, will be as intelligent as it is attractive. It ...
What is OLED? whats the difference between LED and OLED? Here is a really easy to understand guide of technology.
All about Light Emitting Diodes and Organic LEDs. How they work, the difference between them. We go to the Moser Baer lab to look at OLEDs under review. Learn about the inventors of the lights at the end of the program. LEDs use pn junctions where holes and free electrons combine to form a photon at the boundary between the p and n type materials. The OLED uses thin organic (molecule with carbon) layers evaporated or deposited on a flat substrate material. The LED was invented in 1961 at Texas Instruments and the first OLED was developed at Kodak in the 1980s.
Organic Light Emitting DiodesOrganic Light-Emitting Diode technology, also abbreviated OLED, is relatively new but very promising, especially what concerns design of data display devices. OLEDs' main difference from other LEDs is that they are made of organic compounds which emit light in response to an electric current. This feature determines their main properties.OLEDs are made of special thin-film multilayer structures. These layers are special polymers. There is anode and cathode. Electrons can flow between them. When positive voltage is applied to the anode then electrons from the cathode start moving towards it. That means that the cathode emits them into the emissive layer while the anode gets them from a conductive layer. As the result of the flow of charged particles the layers a...
Organic-LED state of the art rearlight of the Audi A8 (D5) ► Subscribe here: http://goo.gl/IkIKxo --------------------------------------------- ► Instagram: http://goo.gl/cVEQKG --------------------------------------------- ► Like us: http://goo.gl/YAdLja ---------------------------------------------
What's the future of display technology? Four letters: O-L-E-D. Organic Light Emitting Diode displays deliver picture quality LCD, LED and Plasma can't match, while being thinner and even highly flexible. Here are two demonstrations of OLED tech from the LG Keynote - without any chatter. Enjoy. SUBSCRIBE FOR THE LATEST VIDEOS http://www.youtube.com/subscription_center?add_user=DigitalTrends VISIT DIGITAL TRENDS http://www.digitaltrends.com/ CHECK OUT OUR LATEST PODCAST http://www.digitaltrends.com/podcasts/ https://www.facebook.com/digitaltrendsftw https://twitter.com/digitaltrends https://plus.google.com/+digitaltrends/posts
A SixtySec short clip describing what is Organic LED, in relation to material and processes as presented by Dr. Wong. The full tutorial and more information on OLED can be found on https://www.exploregate.com/Search?topic=12⊂_topics=29&text;_input=
Jeri demonstrates how to make OLED's and shows the band gap of materials.
OLED technology is yet another example of Audi's pioneering work in the vehicle lighting area. The abbreviation stands for organic light emitting diode. Unlike the LEDs currently in use, which consist of semiconductor crystals, OLEDs are made from an organic material. The material is spread extremely thinly -- the coating is only a few thousandths of a millimeter thick -- on an absolutely flat surface such as highly polished display glass. When an electrical voltage is applied, the molecules emit photons and the surface lights up. The light distribution is very homogeneous and very energy-efficient. They are ideally suited for use inside the vehicle or in rear lights. External light design using OLED technology, which Audi is aiming to adopt, will be as intelligent as it is attractive. It ...
What is OLED? whats the difference between LED and OLED? Here is a really easy to understand guide of technology.
Optoelectronic Materials and Devices by Prof. Monica Katiyar & Prof. Deepak Gupta,Department of Metallurgy and Material Science,IIT Kanpur.For more details on NPTEL visit http://nptel.ac.in
Organic light emitting devices, or OLEDs, are very thin (nanometer) devices made primarily with carbon-containing dye compounds. They are extemely attractive due to their simplicity, flexibility, light weight, and ultrahigh efficiency. Following their invention 30 years ago, OLEDs are now exploding into the marketplace, with prospects of ultimately replacing liquid crystal displays for mobile applications, virtual and augmented reality systems, as well as monitors and in televisions. Equally exciting is their imminent entry into the world of lighting. Yet before this revolutionary technology can dominate these applications, there are still several challenges that must be overcome. These challenges include improving their useful lifetime, improving light outcoupling using cost effective and...
John from http://www.growingyourgreens.com/ share with you the NEWest Gardening Tech products that can help you to grow more of your own food faster and easier even if you never have grown anything in your life before. Highlights include a Grow Wall that allows you to grow up to 75 plants in just 5 square feet of space and a connected scale that will automatically water your plants so you don't have to. In this episode, John attends the International 2017 Consumer Electronics Show in Las Vegas, NV to share with you a handful of tech gadgets introduced at this years CES that will enable you water your garden while saving water, automatically water your container plants for up to 6 months on one battery charge, and grow food indoors using automated hydroponic systems that will turn on and ...
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Graduating senior Andres De La Garza shares his research on Organic Light Emitting Diodes or OLEDs including their history and potential applications. Texas Lutheran University students experience a challenging academic environment that sets a path for life-long learning. Our students engage in high-impact educational experiences that include civic engagement, aesthetic expression, critical thinking, and a focus on intercultural and global knowledge in a community that welcomes the interplay of faith and reason. Learn Boldly. Live to Inspire www.tlu.edu
Steaks are getting cold on the table
I've got the TV on to "That's Incredible"
In the yellow oven is hot apple pie
So why isn't he home on time?
He's working late
(He's working late)
And there's nothing in the world you can do
To bring him home to you
When he says he's working late
When we first moved in together, he just couldn't wait
To hold me in his arms, he'd never hesitate
Talking words of love, making me feel like a little girl
And now he's living in another world
He's working late
(He's working late)
And there's nothing in the world you can do
To bring him home to you
When he says he's working late
Do you give him all the love you can?
Well, sometimes I guess I don't
Do you think he's looking for something he can't find at home?
Well, the more I wonder, the less I know
I just got woken up by the TV set
There ain't no more shows on and he ain't home yet
I try to close my eyes and fool myself
That he would never fall in love with someone else
He's working late
(He's working late)
And there's nothing in the world you can do
To bring him home to you
When he says he's working late
(He's working late)
And there's nothing in the world you can do
To bring him home to you
When he says he's working late
(He's working late)
Oh, I know he's working
(He's working late)