Why is there no flicker on an LCD Monitor?

FAQs (Frequently Asked Questions)

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.

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.

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170P7 specifications

The Philips 170P7 is a classic LCD monitor that brings a blend of innovative design, advanced technology, and environmental considerations. This 17-inch display is known for its exceptional performance and user-friendly features, making it a suitable option for both home and office use.

One of the standout features of the Philips 170P7 is its high-quality LCD panel that boasts a resolution of 1280 x 1024 pixels. This ensures crisp and clear visuals, ideal for tasks ranging from productivity applications to graphic work. The monitor also offers a standard refresh rate of 75Hz, providing smooth movement for on-screen activities.

The monitor's design is characterized by its sleek and modern aesthetic. The bezel is slim, allowing for a more immersive viewing experience while also enhancing its style. The 170P7 is equipped with an adjustable stand, enabling users to tilt and position it according to their comfort level, which is essential for reducing strain during prolonged use.

In terms of connectivity, the Philips 170P7 is versatile. It features VGA and DVI-D inputs, ensuring compatibility with a range of devices, from older PCs to modern laptops. This flexibility guarantees that users can easily integrate the monitor into their existing setups without hassle.

Another defining aspect of the Philips 170P7 is its emphasis on energy efficiency and environmental responsibility. The monitor is designed with energy-saving technologies, which help minimize power consumption without compromising performance. This not only benefits the environment but also reduces operational costs for users.

The Philips 170P7 also incorporates SmartImage technology, enhancing image quality dynamically based on the displayed content. This feature optimizes contrast, saturation, and sharpness on the fly, ensuring that users enjoy the best possible visuals regardless of the application.

With its range of features, user-centric design, and commitment to sustainability, the Philips 170P7 stands as a reliable and efficient choice for those seeking a dependable 17-inch display. Whether for professional use or casual browsing, its performance and elegance make it a noteworthy option in the realm of computer monitors.