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Smartphone battle opens door for new OLED technology

The thin, light screens might be used to make brake light indicators that follow the contours of a car, or health monitors or imaging devices that wrap around a patient like a blanket, said John Rogers of the University of Illinois at Urbana-Champaig...

LED display technology gets a twist

(Reuters) - U.S. researchers said on Thursday they have found a way to make large-scale flexible display screens that can be stretched to fit the contours of a bus yet are transparent enough so riders can see out windows. The thin, light screens ...

LED display

An LED display is a video display which uses light-emitting diodes. An LED panel is a small display, or a component of a larger display. They are typically used outdoors in store signs and billboards, and in recent years have also become commonly u...

World Cup becomes bonanza for Mexico

The World Cup has brought great fortune to Mexico with big sales of souvenir and drinks. Only in the capital city, soccer fans will consume up to 262 million U.S. dollars during the World Cup finals, according to official statistics. Mexico Cit...

UK borrows less but debt over $1.3 trillion

The British government's borrowing eased in May but the nation's debt still rose above 900 billion pounds (US$1.33 trillion), an official report said yesterday. Borrowing dropped from 17.4 billion pounds in May last year to 16 billion pounds last ...

Russia eyes investment boom

Russia will scrap the capital gains tax on long-term foreign investment next year in order to create a much-needed "investment boom," President Dmitry Medvedev told a gathering of foreign businesses yesterday in St Petersburg. Medvedev a...

Over 6 bln dollars worth of contracts signed at Russian forum: Medvedev

Deals valued at more than 6 billion U.S. dollars were signed during the International Economic Forum in St. Petersburg, President Dmitry Medvedev said on Saturday. "We should be satisfied with the work of the forum that had 4,000 participants...

Fluorescent lamp history

Physical discoveries Fluorescence of certain rocks and other substances had been observed for hundreds of years before its nature was understood. By the middle of the 19th century, experimenters had observed a radiant glow emanating from partially...

LIGHT BULB

Who invented the light bulb then? An easy enough question to answer you might think. After all, every American schoolboy (and girl) surely knows that the great American scientific genius and inventor, Thomas Alva Edison invented the light bulb in 187...

The History of the light bulb

The invention of the incandescent light bulb has a history spanning from the early 1800s. Until that time, available light sources consisted of candles, oil lanterns, and gas lamps. In 1809, an English chemist, Humphrey Davy, started the journey to t...

Flashlight History

In 1896, the first dry cell battery was invented. Unlike previous batteries, it used a paste electrolyte instead of a liquid. This was the first battery suitable for portable electrical devices, as it did not spill or break easily and worked in any o...

Flashlight

Recently, flashlights that use light-emitting diodes (LEDs) instead of conventional lightbulbs have become available. LEDs have existed for decades, mainly used as low-power indicator lights. In 1999, Lumileds Corporation of San Jose, California Unit...

Light Emitting Diode

Basic Information LED (Light Emitting Diode), LED is a solid-state semiconductor devices, which can be converted directly into electricity to light. LED's heart is a semiconductor chip, the chip attached to one end In a bracket, one end is negativ...

Ways of Thinking About Light

* IS02 is the particle theory, which some have expressed with the word photons. * There is the wave theory, expressed by the light wave condition taken into account. From the time of the ancient Greeks, people thought of light as a stream of...

What is Light?

Why is that a beam of light radiates outward, the new show? What actually happens? To understand light waves, it is useful to begin by discussing known types of waves - what we see in water. An important point to note, to keep above the waves, this i...

Do Energy Saving LED Lamps Save Energy?

Theres no doubt that it uses only a fraction of the energy of standard bulbs to produce the same amount of light and use up to 25 times. But will the energy needed to create an LED bulb and the energy needed even more power, less the amount equivalen...

How to Build an LED lamp

Step 1 This is a fairly simple process just draw out your circuit first on paper. when you know how your going to set it up, place the individual parts where you want them on the case. I used the switch that came with my flashlight, and just took ...

History of Light

Edison's greatest contribution to the problem of electric light was in filament design. He tried over 6,000 alternative filament materials over two years, and spent $40,000 conducting more than 1,200 experiments. After testing substances from arou...

History of Lighting and Lamps

The first lamp was invented around 70,000 BC. A hollow rock, shell or other natural objects found was filled with foam or similar material soaked in animal fat and ignite. People began to imitate the natural forms of artificial ceramics, alabaster an...

White LEDs

He has over 30 years since the introduction of the first LED (light emitting diode) and, finally, we now have a white LED, lamps in the field of architectural details and small competitors were lighting applications. LEDs have a phenomenal g...

Measurement Of LEDs

LEDs - Dominating Lighting Technology If there was ever a question, such as LED lighting technology is mainly to take a look around. It is almost everywhere. By standard indicators for the hi-fi, laptops and toys to traffic lights, variable message ...

LEDs Shine In Traffic Applications

Variable Message Sign (VMS) Light Emitting Diode (LED) have a permanent place for the transfer of VMS (VMS) applications. After opening a little happier in the 1980s, the LED has become the preferred source of VMS for the new millennium. Virtually...

LED Alphabet Soup

ChemistryIf the light came first commercially available, there are about 30 years, nobody really paid attention to what was or what it consisted of chemicals. This was partly to do some basic types and colors (eg, GAP - red and green, and GaAsP - yel...

History Of LEDs and LED Technology

Light Emitting Diode (LED) Light Emitting Diode (LED), light emitting diode (LED) is essentially a PN junction semiconductor diode that emits monochromatic light () monochrome works when one side forward. The basic structure consists of an LED, or...

India will be the fourth anti-missile intercept test

India's Defense Research and Development Organization 2,, announced this month that the organization will be the fourth anti-ballistic missile tests in order to further enhance the ability to intercept ballistic missiles. India's Defense Research ...

PLO called on Israel to stop violations in Jerusalem

Palestine Liberation Organization (PLO) in Ramallah, on the 2nd statement, urged the United Nations and the international community to take urgent measures to prevent Israel from the Temple Mount in the Old City of Jerusalem (Muslim, said Noble Sanct...

Iran's hope that the Iranian nuclear issue China has made "more impartial conduct"

Russian President Dmitry Medvedev on the 1st visit for the first time in France, said that it might agree to sanctions against Iran, which Iranian officials cautious, but for China and Russia's attitude on the Iranian nuclear issue, Iran all walks of...

Croatia and Russia signed the "South Stream" project agreement

Croatia 2, with Russia signed in Moscow to join the "South Stream" natural gas pipeline project intergovernmental agreements. Russian Prime Minister Vladimir Putin that day with visiting Croatian Prime Minister held talks cossor. After t...

Obama's plan to reduce huge inventories of nuclear weapons the United States to pave the way for the nuclear-free world

According to the British Broadcasting Corporation reported that the U.S. government, a senior official said the president Obama plans to "substantial" reduction of U.S. nuclear weapons stockpiles. Reported that the U.S. government is cur...

The Japanese Government intends to set up companies and private enterprises for the overseas nuclear power plant orders

According to Japan's Kyodo News agency reported that Japan's economy, Trade and Industry Administrative Officer 1, Yosuke Kondo told a news conference, in order to make the future of Japanese companies to win the Asian emerging market countries build...

U.S. astronauts on the moon, said the wreckage was found extraterrestrial spacecraft

International Online Zhuangao: 1976, NASA had planned to implement the "Apollo 20" moon program, but official sources said the plan was due to "financial problems" was forced to cancel. But the 78-year-old former Air Force employe...

Bosnia and Herzegovina, former President Ganic was arrested for war crimes in London

British police confirmed that the Serbian government because of Ganic guilty of war crimes, in November last year, extradition warrant was issued. The police is based on the extradition warrant arrested at London's Heathrow airport, Ganic's. Accordin...

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