displays an input image by operating a liquid crystal panel. The TFT has a fundamentally different structure than a CRT: Each cell has an active matrix structure and independent active elements. A TFT LCD has two glass panels and the space between them is filled with liquid crystal. When each cell is connected with electrodes and impressed with voltage, the molecular structure of the liquid crystal is altered and controls the amount of inlet lighting to display images. A TFT LCD has several advantages over a CRT, since it can be very thin and no flickering occurs because it does not use the scanning method.

Q:Why is vertical frequency of 60Hz optimal for an LCD monitor?

A:Unlike a CDT monitor, the TFT LCD panel has a fixed resolution. For example, an XGA monitor has 1024x3 (R, G, B) x 768 pixels and a higher resolution may not be available without additional software processing. The panel is designed to optimize the display for a 65MHz dot clock, one of the standards for XGA displays. Since the vertical/horizontal frequency for this dot clock is 60Hz/48kHz, the optimum frequency for this monitor is 60Hz.

Q:What kind of wide-angle technology is available? How does it work?

A:The TFT LCD panel is an element that controls/displays the inlet of a backlight using the dual-refraction of a liquid crystal. Using the property that the projection of inlet light refracts toward the major axis of the liquid element, it controls the direction of inlet light and displays it. Since the refraction ratio of inlet light on liquid crystal varies with the inlet angle of the light, the viewing angle of a TFT is much narrower than that of a CDT. Usually, the viewing angle refers to the point where the contrast ration is 10. Many ways to widen the viewing angle are currently being developed and the most common approach is to use a wide viewing angle film, which widens the viewing angle by varying the refraction ratio. IPS (In Plane Switching) or MVA (Multi Vertical Aligned) is also used to give a wider viewing angle.

Q:Why is there no flicker on an LCD Monitor?

A:Technically speaking, LCDs do flicker, but the cause of the phenomenon is different from that of a CRT monitor -- and it has no impact of the ease of viewing. Flickering in an LCD monitor relates to usually undetectable luminance caused by the difference between positive and negative voltage. On the other hand, CRT flickering that can irritate the human eye occurs when the on/off action of the fluorescent object becomes visible. Since the reaction speed of liquid crystal in an LCD panel is much slower, this troublesome form of flickering is not present in an LCD display.

Q:Why is an LCD monitor virtually low of Electro Magnetic Interference?

A:Unlike a CRT, an LCD monitor does not have key parts that generate Electro Magnetic Interference, especially magnetic fields. Also, since an LCD display utilizes relatively low power, its power supply is extremely quiet.

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Philips 200AW8 user manual Why is there no flicker on an LCD Monitor?
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200AW8 specifications

The Philips 200AW8 is a sophisticated monitor that appeals to both professional and casual users with its seamless blend of advanced display technologies and user-friendly features. This monitor represents Philips' commitment to delivering high-quality visual performance alongside thoughtful design, making it an ideal choice for a wide range of applications.

One of the standout features of the Philips 200AW8 is its impeccable display quality. It comes equipped with an impressive 20-inch screen that utilizes an IPS panel, ensuring expansive viewing angles and vibrant color reproduction. With a resolution of 1600 x 900 pixels, the monitor achieves sharp images with excellent clarity, making it suitable for everything from graphic design work to general multimedia consumption.

In terms of connectivity, the Philips 200AW8 offers an array of ports, including HDMI, VGA, and audio jacks, providing versatility in connecting to multiple devices such as laptops, gaming consoles, and desktop computers. This makes it a convenient choice for users who may wish to switch between different sources seamlessly.

Another notable characteristic is its low power consumption, which aligns well with Philips' environmental sustainability goals. The monitor features Energy Star certification, meaning it is designed to operate efficiently without sacrificing performance. This energy efficiency is complemented by a sleek and modern design, characterized by a slim bezel that maximizes screen space and enhances the overall aesthetic appeal of any workspace.

Furthermore, the Philips 200AW8 is built with user comfort in mind. It features a height-adjustable stand, allowing users to customize the monitor's position to reduce strain during long working hours. Additionally, the monitor is equipped with Flicker-Free technology, which helps to minimize eye fatigue by reducing flicker, another common issue with LED-backlit displays. This makes it an excellent option for professionals who spend extensive hours in front of a screen.

Overall, the Philips 200AW8 stands out as a well-rounded monitor that harmonizes visual excellence, energy efficiency, and ergonomic design. Its combination of features and technologies makes it a valuable addition to any home or office setup, ensuring that users can enjoy a premium viewing experience tailored to their specific needs.
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