Friday, January 9, 2015

The Future Of Organic Led Lighting

By Enid Hinton


Mankind is always left with wanting more. People in this day and age seem to never be satisfied with what they have. This can be seen as good and bad. Nonetheless, scientists and technologists will continue working everyday to satisfy consumer demand. One of the hottest new technologies that has only recently shown itself in the market is organic led lighting.

Light emitting diode is what the acronym LED stands for. Since the inventor of the first light bulb, Thomas Edison, we have continued to make bigger and greater things like the common LED. It has become a favorite of consumers and manufacturers alike. Incandescent lighting is becoming obsolete because they are not very efficient.

To produce the common white LED as we know it, scientists coat a thin layer of gallium nitride onto a diode. This combination, when conducting electricity, will generate the white light people are used to. Not much of the gallium mixture is needed to make this happen.

A semiconductor is what we can call the diode. Diodes only allow the flow of electricity to pass through in one direction. What this means is that if an alternating current, or AC, runs through a diode then it will transform into DC or direct current.

This is how the traditional LED works. Knowing this will allow for better comprehension of any explanations of how the OLED functions and why it is better. It is better because it does not waste energy on the production of heat. This makes it more highly efficient than a regular light emitting diode. Even the old fashioned diodes generate heat, it is still efficient in its operation.

Going with the newer OLED is better in all ways. The material is much more compact and can be flexible to be placed onto a thin piece of plastic. The way it works is by spreading an organic substrate over a layer of glass material. The electrons flow through that top layer and produce light very efficiently.

There is but only one issue with this technology. The only real issue is that the cost to produce the materials is great. This is because the manufacturing process requires very sensitive instruments and small dust particles floating in the air will cause issues in the process if not removed beforehand.

When all is said and done, OLED technology will be widespread and available to the average consumer. It is only a matter of time before the great inventors and innovators of our time design faster processes which make it more cost effective. It will be in all homes in some form.

We may have an entire wall that lights our rooms instead of flipping the switch to our light fixtures. In the morning before we leave for work, people will pick up the electronic newspaper on their counter. When they are finished reading the daily news, they will even be able to set it down and use it as a computer. This will be commonplace because most people do prefer more tactile feedback when interacting with objects.




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