Sony 2005 Annual Report Download - page 26

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24 Sony Corporation
Displays
With the advent of HD broadcasting and Blu-ray Disc recorders for recording and
playing back HD content, and of high-resolution digital still cameras and video cam-
eras, Sony is developing the architecture that will allow people to enjoy and be enter-
tained by the growing diversity of high-resolution content. To this end, we are using
our proprietary know-how to advance display technologies and devices in the pursuit
of “realism,” our concept of the ideal picture quality.
•Triluminous Wide-Spectrum Backlit LED System
We developed Triluminous, a wide-spectrum backlit light-emitting diode (LED) sys-
tem, and used it in the QUALIA 005 LCD television, making the QUALIA 005 the first
consumer-use LCD television with LED backlighting. By using independent panels for
red, green and blue (RGB) signals, this backlit LED system achieves more realistic,
wide-spectrum color reproduction than previous LCD television backlit systems.
•GxL System
Our new projection format, called the GxL (“G-by-L”) system, utilizes diffraction grat-
ing elements on the surface of a micro-electromechanical systems (MEMS) chip and
primary color lasers to reproduce colors more faithfully than LEDs. The GxL system
debuted in March 2005 at the Laser Dream Theater at the 2005 World Exposition in
Aichi, Japan, projecting at high resolution onto an ultra-wide 2005-inch screen
(approximately 10 meters high and 50 meters wide).
Storage
We are developing a range of backbone devices compliant with the Blu-ray Disc
standard to complement our fast-track commercialization of Blu-ray Disc systems for
HD image recording and playback.
•Three-Wavelength Optical Recording/Playback Heads for Blu-ray Discs,
DVDs and CDs
Combining our extensive experience in semiconductor laser, surface mount and
optical technologies, we developed a three-wavelength optical recording and playback
head that supports Blu-ray Disc, DVD and CD playback with a single optical head.
•Joint Development of Dual Wavelength Coupler for Red and Blue-Violet Lasers
In collaboration with Nichia Corporation, we developed a dual wavelength coupler for
the playback of DVD-format and blue-violet laser optical discs. It integrates two laser
diodes for the different laser wavelengths, the respective pickup elements and the
components for transmitting and receiving optical signals. Because prior systems
relied on separate elements to support the different wavelengths, this coupler will
help to simplify, miniaturize and lighten optical heads while making them more reliable.
Dual wavelength coupler
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