Light-emitting diodes also called LED signs work on the basic principles of physics. The phenomenon by which the light is emitted from these signs is based on the one described by the semi-conductors. According to the physical principles, it has been found in the basics of the phenomenon of the electroluminescence. Basically the LED works by applying the working of P-N junction diode. According to this technology, it has been found that there are two types of junctions; a forward bias junction and the other one is the reverse bias junction. This major mechanism of action is followed in all LED displays.
Basically, P-N junction diodes which are made of two semi-conductor metalloids, there is a flow of electrons which is channelized from p junction to n junction. The arrangement and bond formation in these metalloids of the junction are such that one of these two parts is deficient in electrons while the other one is rich in electrons. On one side, there are more electrons while on the other side there are holes created due to absence of electrons. This same principle is followed in almost all scrolling LED signs as well as in the positioned signs of LED and lighting systems. However there are some types of programmable LED signs which have some different kind of arrangement and frequency of transfer of electrons across the p n junction differ greatly.
The basic principle of electron conduction, which is followed in most of the LED signs outdoor, is that when the circuits are complete and the current is being conducted, there will be a massive flow of electrons noted down from the p junction to the n junction. In other words, the flow of electrons towards the holes ensures the maximum flow of current and the speed with which this flow is taking place depicts and symbolizes the intensity of current flowing and hence the amount of brightness shown by the LEDs is depicted. The same procedure of flow of electrons and intensity of current is followed in most of the signs and displays especially in the LED signs Indiana.
Just like the outdoor displays, the same mechanism being followed in the technology of LED signs indoor as well. When the electrons that are flowing from the n junction combine with the holes in the p junction, formation of the complex and energy is released which is shown in the form of photons. These photons become visible in the electronic message boards.
The quantity of electrons that is combined with the hole differs from time to time and the frequency of their combinations will be also different. This ultimately results in the production and release of different wavelengths of lights every time. This is the major principle that results in the formation of LED signs for business. In this way, different photons released in the p n junction depend upon the different wavelength of energy released by the combining of electrons with the holes.
Find more information relating to led signs, and led signs for business here.
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Apple iPhone remains in 4th place behind Android smartphones according to latest social media monitoring report from DigitalMR
London (PRWEB UK) 24 April 2012
Android models are the most talked about brands of smartphones. Samsung attracts the most mentions with a market share of 34% of all positive comments and a 37% share of, negative comments small group. Next placed is HTC with 22% positive mentions and 18% negative, followed by Motorola with 11% positive and 13% negative.
Together, the three Android brands account for two thirds (67%) of all online customer feedback measured on smartphones.
The results are based on comments posted by consumers on the major smartphone brands: Apple, Motorola, Samsung, RIM (Blackberry), HTC, LG, Nokia, Sony Ericsson, Kyocera and HP on September-October 2011
smartphone models established Apple and RIM (Blackberry) only account for 11% and 8% of the total comments were published respectively. Weak coherent parts Blackberry chat coincided with bad trade Q4 results, prompting her recent announcement “nofollow” to place more focus on the enterprise market.
DigitalMR analysis (supplied by SocialNuggets ) is based on comments posted by a range of relevant websites and open access platforms of social media. It measures not only the number of comments posted by consumers on the Internet, but also their sentiment -. If the messages are positive or negative in nature
Managing Director of DigitalMR, Michalis Michael commented: “Our social media monitoring over the last 6 months has consistently shown Android models like the most talked about brands. While Apple can at least rely on its strong presence in the tablet market, it seems RIM will return to its basic objective of corporate customers ”
All brands measured, achieve a positive net sentiment score (NSS) for December-Jan. NSS provides an overall percentage of net positive posts. The average NSS necessary for all brands measured is 30%. This shows customers are generally positive in their comments online.
Of the three major brands Android, HTC had a NSS of 39%, followed by a nominal rating of slightly below 27% for Samsung and Motorola for only 20% which was the lowest total of the NHS. Apple has reached the second highest at 24%. The NSS is more directed by Nokia (47%).
Features
DigitalMR measured thousands of customer posts on the services and functions assigned to smartphones.The issues “operating system” and features “Service” generate the most comprehensive reviews – both positive and negative.
“Battery” but attracted only 11% positive reviews, but 16% negative, while on the positive side for designers “Body” attracted a 17% share of positive feedback, but only 11% negative .
Customer Reviews and more information
About DigitalMR
DigitalMR understands what people think and feel when they share views online. He is a specialist agency which provides a holistic approach to market research based on the Web. He specializes in the use of social media research, especially active web-listening, and online communities to enhance its business consulting approach. The agency has developed new methods in online focus groups as well as tools such as video diaries, bulletin boards and online ethnography. DigitalMR is headed by founder and MD, Michalis Michael and has offices in London UK, Nicosia Cyprus, and Columbus Ohio, in the United States.
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The man behind the lawsuits against Bryan Singer and others in Hollywood
The man behind the lawsuits against Bryan Singer and others in Hollywood
Shackley shared the home with Marc Collins-Rector, co-founder of a company called Digital Entertainment Network. A third DEN co-founder was Brock Pierce, who joined the company at age 17 following an early career as a child … The case involved a 13 …
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Chinese Netizens Speak Out For Arrested Rights Lawyer
China Digital Times tracks words that have been blocked from the search results of Sina Weibo, a popular Chinese social media platform, and other online forums. Instead of deleting millions of posts, Weibo simply shields from view posts containing …
Read more on Huffington Post
“Running behind 100-crore revenue for every film is not very healthy”
That's what was done for Queen where the digital audience was targeted first with a video communication of Kangana Ranaut as Rani in 'Rani ka Pehla Honeymoon'. “It was an interactive element we started off which immediately … For us, it is about …
Read more on Indiantelevision.com