Blu-ray Disc
Blu-ray
- Date
- 2006 · confidence high
- Place
- Sony, Tokyo, Japan
- Credited to
- Blu-ray Disc Association (Sony, Panasonic, Philips, Samsung)
- Field
- Communication
What it is
Optical disc read with a 405 nm blue-violet laser that stores 25 GB per layer, enough for high-definition video. It won the format war against HD DVD.
What it led to
- High-definition home video and the PlayStation 3
- The last major physical format before streaming
- Mass commercial application of the blue laser diode
Built on
- Compact disc1982
- Blue gallium-nitride LED1993
- DVD1995
- Gallium nitride blue LED and laser
Made possible
- home 4K video
- PlayStation 3