LG 22LS4D Datasheet download pdf (Page 4)

Plasma and LCD Televisions 5

This technology offers a more detailed colour image reproduction.

The larger the bit count, the higher the colour quality. As a result, details

are more clearly visible and colour reproduction on the screen is more natural.

This process occurs by the increasing number of steps from dark to

light; standard 8-bit processing only offers 256 grades of brightness for

each primary colour (Red, Green and Blue). OptiGrade improves this

processing to 10-bit, which offers 1024 grades for each primary colour.

This corresponds to an increase in the number of possible colours from

16 million colours to a massive

1.07 billion colours.

The process of making a motion picture for cinema playback is different

from the process used in TV. RealCinema automatically detects the

presence of motion picture video and reverts the picture back to its

original quality so it’s possible to enjoy movie quality images on TV

exactly as it was originally created.

Video signals vary in quality and standard; VistaBright accurately measures

input signal and optimises it to produce the best levels of brightness

and contrast.

XD Engine

VistaBright

XD Engine

RealCinema

XD Engine

OptiGrade

without VistaBright

with VistaBright

without OptiGrade

with OptiGrade

without RealCinema

with RealCinema

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LG 22LS4D Datasheet Page 4