Sony SRX-T105 Brochure page 4

State-of-the-art Technology for High Picture Quality
Silicon X-tal Reflective Display
(SXRD) Device
The SXRD device used by the SRX-T110 and
SRX-T105 is a 1.55-inch* Liquid Crystal on Silicon-
based display device developed by Sony using
cutting-edge manufacturing technology. High-
quality, accurate visuals are created using this
brilliant display device.
* Measured diagonally.
High Resolution 4K
Sony SXRD display devices deliver the
exceptionally high resolution of 4K x 2K (4096 x
2160, 17:9 widescreen format), more than four
times as many pixels as Full HDTV (1920 x 1080,
16:9 wide screen format).
The SXRD device helps to achieve this resolution
by incorporating nearly 8.85 million pixels per
device at a narrow pitch of 8.5 micrometers.
These high-density pixels, which are one quarter
the size of pixels projected using typical 2K x 1K
resolution projection systems (2.2 million pixels),
provide an amazing picture. Even in multi-screen
mode, full 2K resolution per quadrant can be
achieved.
The resolution available from the Sony SRX-T110
and SRX-T105 enables a new level of visual
projection.
Full HDTV
(1920 x 1080,
16:9 widescreen format)
4K x 2K
(4096 x 2160,
17:9 widescreen format)
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High 2500:1 Contrast Ratio
The SRX-T110 and SRX-T105 offer a high contrast
ratio of 2500:1 through the use of Sony's unique
SXRD device. The SXRD device itself achieves
a contrast ratio of 4000:1. This stunning picture
quality makes the projectors ideal for applications
in which dynamic range is essential. The high
contrast ratio has been achieved through two key
technologies - the exclusive 'normally black mode'
system and an extremely thin liquid crystal cell
gap.
'Normally Black Mode' System
In every type of projector system, displaying
absolute black is a major issue in order to achieve
a high contrast ratio. In other words, the contrast
ratio of a projector depends on how effectively the
light from the source can be blocked, so it does
not leak through the display device.
All Liquid Crystal Display (LCD) devices control the
amount of light to be projected by applying an
electric field to the liquid crystal gap. In typical
LCD devices, black is produced when an electric
field is applied across the liquid crystal cell gap.
However, molecules near the surface of the glass
substrate may not be accurately controlled due
to the influence of the alignment film. This is not
an issue for bright images but, when displaying
dark images, light may tend to leak from the LCD
device, since the molecules near the surface are
less accurately controlled. This results in a creamy
black instead of a deep black.
The SXRD device does not exhibit these
characteristics. This is because the 'normally black
mode' system displays black when the electric
field is not applied and, because all molecules
are in the correct alignment, the polarized light
alignment is also optimized. The direct result is a
far deeper black level, leading to a high contrast
2K x 1K
ratio.
(2048 x 1080,
17:9 widescreen format)