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 HWS8200Q user manual Why is there no flicker on an LCD Monitor?
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HWS8200Q specifications

The Philips HWS8200Q is a cutting-edge soundbar designed to enhance your home audio experience, delivering immersive sound quality whether you're watching movies, listening to music, or playing video games. This sleek and modern soundbar blends seamlessly into any home entertainment setup, offering a perfect balance of functionality and aesthetics.

One of the standout features of the HWS8200Q is its powerful Surround Sound capability. Equipped with Virtual Surround technology, this soundbar creates an expansive soundstage that makes you feel like you're in the middle of the action. Whether it’s the subtle rustle of leaves or the dynamic impacts of an action sequence, every detail is rendered with precision and clarity.

Additionally, the HWS8200Q incorporates Dolby Atmos technology, which takes your audio experience to the next level. By allowing sound to move freely in any direction, Dolby Atmos helps create a three-dimensional audio environment. This allows not just for horizontal sound, but also for a vertical experience, heightening the intensity and realism of what you’re watching.

Another key characteristic of the HWS8200Q is its Adaptive Sound feature. This technology intelligently adjusts sound profiles depending on the content being played, ensuring optimal audio performance whether you're watching a dialogue-heavy drama or an explosive action film. As a result, you’ll never miss a single word of dialogue or the depth of a musical score.

The soundbar also features multiple connectivity options including HDMI ARC, optical, and Bluetooth, making it simple to connect to various devices such as TVs, gaming consoles, or mobile devices. With Bluetooth support, streaming your favorite playlists or podcasts from your smartphone becomes effortless.

The design of the HWS8200Q is both stylish and practical, with a low-profile build that can fit under most televisions without obstructing the screen. It also comes with a user-friendly remote control that allows easy navigation through different sound settings and sources.

In conclusion, the Philips HWS8200Q is an impressive soundbar that combines advanced audio technologies with a sleek design, making it an excellent addition to any home theater system. With its immersive sound, intelligent features and versatile connectivity, it promises to elevate your audio experience to new heights.
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