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Brightera technology, Inorganic alignment film, Pixels with a large aperture ratio – Sony SXRD 4K User Manual

Page 7: Normally black mode’ system

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BrightEra Technology

BrightEra is a brand name for the category of
next-generation LCD panels developed by Sony
using state-of-the-art manufacturing technology.
BrightEra technology offers the following
advancements:

Inorganic Alignment Film

Many LCD projectors with high brightness
incorporate a high-voltage mercury lamp. The light
that radiates from a mercury lamp includes
high-energy UV light, which can damage the
alignment film of an LCD panel. Most LCD
projectors incorporate a UV-cut filter to eliminate
UV light, but a very small amount of UV light can
still pass through this filter. To solve this problem,

the BrightEra LCD panel adopts inorganic material
for the alignment film that is extremely resistant to
UV light, greatly enhancing reliability – even from
long-term radiation of intense light. This allows the
projector to integrate a high-power light source
without increasing the panel size, and to offer
extremely high brightness.

Pixels with a Large Aperture Ratio

The BrightEra LCD panel is manufactured using
Sony’s cutting-edge micro-machining technology.
Thanks to this manufacturing technology, the area
of each thin film transistor (TFT) of the BrightEra LCD
panel can be reduced by approximately 0%
compared to conventional LCD panels, resulting in
an increase of the aperture ratio by approximately
0%. This high aperture ratio allows for higher light
transmission, and significantly increases the
brightness of the LCD panel.

‘Normally Black Mode’ System

The BrightEra LCD panel adopts the ‘normally
black mode’ system that was originally developed
for the SXRD panels. This system can provide an
extremely deep black level, leading to a high
contrast ratio.

Thanks to BrightEra technology, Sony’s projectors
can provide extremely bright and high-contrast
images.

BrightEra LCD Cross-section Diagram

VPL-FH300L VPL-FW300L

VPL-FX41

VPL-FX40

VPL-FE40

VPL-EW5

VPL-EX50

VPL-EX5

1.2-inch BrightEra LCD
Panel of the VPL-FH300L

1.2-inch BrightEra LCD
Panel of the VPL-FW300L

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VPL-FX41L

VPL-FX40L

VPL-FE40L