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Sunday, February 01, 2009

How Blu-ray Originated

By Marcus Stevenson

Blu-ray is currently the standard high definition format. Most people know this little fact, but the history behind the Blu-ray disc and other high definition technology remains a mystery.

High definition was released to the public shortly before the new millenium. With the advent of HD came the need for a suitable movie format, and Blu-ray turned out to be just that format.

The market did not then offer any medium that could store large amounts of data, which was necessary for HD. Thankfully, there was a relatively easy solution to solving the problem, which was utilizing a blue laser.

A man named Shuji Nakamura is credited with developing a blue laser for commercial use. Prior to his invention, the existing blue lasers were too big and expensive to be used practically. His invention of blue laser diodes facilitated the creation of HD DVD and Blu-ray.

Two large corporations, Philips and Sony, came together to develop the Blu-ray disc. Before arriving on the name Blu-ray, they invented other predecessors known as DVR Blue and Ultra Density Optical.

After much improvement, Blu-ray was introduced in early 2002. The Blu-ray Disc Association was created to manage the format.

In 2004, Blu-ray was totally completed after many years of development. The only hindering factor was the necessity of a protective shell, but that was eliminated in 2005.

All the work put in to Blu-ray paid off. The disc type is now the premier HD format, and Blu-ray sales are climbing continually. There is no telling what further innovations are impending, but they will surely be exciting.

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