Optimum Picture Quality and Afterimage Burn-in Prevention

Optimum Picture Quality

•• Due to the nature of the manufacturing of this product, approximately 1 pixel per million (1ppm) may be brighter or darker on the panel. This does not affect product performance.

-- The number of sub-pixels by panel type: 6,220,800

•• Run Auto Adjustment to improve the picture quality. If noise is still found even after auto adjustment, adjust Coarse or Fine.

•• Leaving the screen fixed on a stationary image for an extended period of time may cause afterimage burn-in or defective pixels.

-- Activate power-saving mode or a dynamic screen saver if you will not be using the product for an extended period of time.

Prevention of Afterimage Burn-in

What is afterimage burn-in?

Afterimage burn-in should not occur when the LCD panel is operating normally. Normal operation refers to a continuously changing video pattern. If the LCD panel displays a fixed pattern for an extended period of time (more than 12 hours), a slight voltage difference may occur between the electrodes in pixels that control the liquid crystals.

Such a voltage difference between electrodes increases with time and makes the liquid crystals thinner. When this occurs, a previous image can remain on the screen when the pattern changes. To prevent this, the accumulated voltage difference should be reduced.

――Afterimage burn-in should not occur when an LCD panel is operating in proper conditions.

Black Matrix

Common

Colour-Filter

 

 

 

Electrode (ITO)

 

 

 

 

 

 

 

 

 

 

 

 

 

Source Drain

 

 

 

 

Gate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pixel Electrode (ITO)

Storage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Capaccitor (Cs)

TFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data Bus-Line

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Samsung DM55D, DM48D, DM40D Optimum Picture Quality and Afterimage Burn-in Prevention, Prevention of Afterimage Burn-in
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DM55D, DM32D, DM48D, DM40D specifications

Samsung's DM series displays, namely the DM40D, DM48D, DM32D, and DM55D, are sophisticated digital signage solutions designed to meet the diverse needs of various commercial environments. Each model in this series is engineered for exceptional performance and versatility, ensuring they stand out in today’s competitive market.

The DM40D features a 40-inch display, offering a Full HD resolution of 1920 x 1080 pixels. This model is characterized by its slim design, making it perfect for locations where space is at a premium. The Ultra Narrow Bezel design enhances the immersive experience, making it ideal for video walls or multi-display setups. The DM40D is equipped with Samsung’s Smart Signage platform, which allows seamless connectivity and easy content management.

Moving on to the DM48D, this model sports a slightly larger 48-inch screen, delivering the same Full HD resolution. It incorporates advanced LED backlighting technology, which ensures vibrant colors and sharp visuals. The display is also designed for 24/7 operation, making it suitable for environments that demand high uptime. The integrated content scheduling feature enables users to manage and display various media at predetermined times, enhancing flexibility in content delivery.

The DM32D is a 32-inch display, which is perfect for smaller spaces without compromising on quality. Its bright screen provides excellent visibility even in well-lit environments. Like its counterparts, the DM32D leverages the Smart Signage platform for easy content management and has a variety of connectivity options, including HDMI and DisplayPort. The model’s lightweight design facilitates easy installation and adjustment.

Last but not least, the DM55D boasts a 55-inch display, making it a standout option for larger viewing areas. This model not only retains the Full HD resolution but also features enhanced brightness levels and improved color accuracy, which are essential in attracting audience attention. The DM55D benefits from Samsung's advanced image processing technology, ensuring that visuals remain consistent and stunning.

All models within the Samsung DM series are built to be energy efficient, reducing operational costs while maintaining performance excellence. Furthermore, they support various media formats and have features for easy collaboration, making them well-suited for retail, corporate, and educational applications. With Samsung's rigorous standards for quality and innovation, the DM series remains at the forefront of digital signage technology.
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