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What Makes a Sunlight Readable Tablet or Netbook?

This year has seen an explosion of mobile computing products, especially in netbooks and tablets. Recently, consumer choices have expanded to include a “sunlight readable” netbook or tablet pc. Although the name “sunlight readable” is self-explanatory, the mobile computing consumer needs to understand what exactly is involved in making netbooks or tablets sunlight readable.

First, the display screen on a sunlight readable or daylight readable LCD should be bright enough so that the display is clearly visible under direct sunlight. Also, the netbook or tablet display contrast ratio should be high enough to produce a very high quality LCD experience. This is usually accomplished with a 1000 nits screen brightness and a contrast ration of at least 5 to 1.

Second, the sunlight readable netbook or tablet pc display should be “reflective”. This recent technology incorporates each of the LCD display pixels to reflect the ambient light passing through the screen. Stronger ambient light produces a brighter LCD display that utilizes reflective technology. As a result, this LCD is viewable under all lighting conditions, including direct sunlight regardless of the LCD’s original brightness.

This is where mobile computing should be – a portable personal computer that can be viewed in all lighting conditions; indoors as well as outdoors. Wiki defines mobile computing as “taking a computer and all necessary files and software out into the field”. The mobile computer must be sunlight readable to be successful in outdoor operation.

Traditional portable computing devices are limited by light conditions because of “screen glare” making them totally useless in bright light conditions.

Like standard backlit LCD displays, these netbooks and tablets render quality full-color images, full-motion video, and high screen brightness. However in environments with high ambient light levels, the reflective mode contributes to the image, allowing the backlight to be turned down or off. This unique capability delivers significant battery power savings, an attractive screen, and a comfortable reading experience with excellent resolution. Outdoors, their pixel qi technology comes into play – each pixel is mainly reflective, but has about the same efficiency as a standard LCD; enabling the user to experience a crisp image with excellent contrast and brightness in any light.

A benefit to these types of mobile computers is that they consume 80% less power in reflective mode, yet delivers a better contrast ratio than most other portable LCD displays. Finally, consumers have a choice in mobile computing that allows them to be used outdoors in bright sunlight.

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