FAQs (Frequently Asked Questions)

Q:What is a Liquid Crystal Display?

A:A Liquid Crystal Display (LCD) is an optical device that is commonly used to display ASCII characters and images on digital items such as watches, calculators, portable game consoles, etc. LCD is the technology used for displays in notebooks and other small computers. Like light-emitting diode and gas-plasma technologies, LCD allows displays to be much thinner than cathode ray tube (CRT) technology. LCD consumes much less power than LED and gas-displays because it works on the principle of blocking light rather than emitting it.

Q:What differentiates passive matrix LCDs from active matrix LCDs?

A:An LCD is made with either a passive matrix or an active matrix display grid. An active matrix has a transistor located at each pixel intersection, requiring less current to control the luminance of a pixel. For this reason, the current in an active matrix display can be switched on and off more frequently, improving the screen refresh time (your mouse pointer will appear to move more smoothly across the screen, for example). The passive matrix LCD has a grid of conductors with pixels located at each intersection in the grid.

Q:What are the advantages of TFT LCD compared with CRT?

A:In a CRT monitor, a gun shoots electrons and general light by colliding polarized electrons on fluorescent glass. Therefore, CRT monitors basically operate with an analog RGB signal. A TFT LCD monitor is a device that 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.

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Philips 200PW8 user manual What is a Liquid Crystal Display?, What are the advantages of TFT LCD compared with CRT?
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200PW8 specifications

The Philips 200PW8 is a notable entry in the realm of LCD monitors, celebrated for its impressive blend of technology, visual performance, and ergonomic design. Aimed at both professional and casual users, this monitor is designed to enhance productivity and deliver an exceptional viewing experience.

One of the standout features of the Philips 200PW8 is its 20-inch LCD panel, which utilizes advanced IPS (In-Plane Switching) technology. This allows for wider viewing angles, ensuring that colors remain consistent and vibrant, regardless of the position from which the monitor is viewed. The monitor supports a native resolution of 1600 x 1200 pixels, providing sharp and detailed images that are ideal for various tasks, from graphic design to everyday office applications.

Additionally, the Philips 200PW8 boasts a fast response time, which minimizes motion blur and ghosting during dynamic scenes, making it suitable for gaming and video playback as well. The monitor also comes with a high contrast ratio, enhancing the depth of colors and providing a more immersive visual experience.

Another significant characteristic of the Philips 200PW8 is its versatility in connectivity. The monitor is equipped with multiple input options, including both VGA and DVI connections. This compatibility ensures that it can easily interface with a range of devices, from older computers to modern laptops, providing flexibility in a variety of settings.

Ergonomically, the monitor is designed with user comfort in mind. It features height adjustment, tilt, and swivel functionalities, allowing users to customize their viewing angles and promote better posture during long hours of use. Furthermore, the monitor’s sleek and modern design incorporates a narrow bezel, making it an attractive addition to any workspace.

In terms of energy efficiency, the Philips 200PW8 adheres to sustainability standards, consuming less power than traditional monitors. This is not only beneficial for reducing electricity bills but also aligns with growing environmental consciousness.

In summary, the Philips 200PW8 emerges as a versatile and feature-rich monitor that is well-suited for a range of applications. With its IPS technology, high resolution, responsive performance, and ergonomic design, it meets the needs of users looking for both quality and comfort in their computing experience.
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