BOE monitor display panels cover a full range of products from 18.5 inches to 43 inches, with high image quality, wide viewing angles, high refresh rate, low power consumption, a borderless design, and other features. Resolution of up to 8K can be achieved. The products are widely used in entertainment, office, professional design, and other fields.
BOE LCD panel offers super sharp pictures and great color. But do the pros outweigh the cons when it comes to LCD TV displays? Before deciding on a thumbs up or thumbs down, you should understand how an LCD display works.
Liquid crystal display (LCD), electronic display device that operates by applying a varying electric voltage to a layer of liquid crystal, thereby inducing changes in its optical properties. LCDs are commonly used for portable electronic games, as viewfinders for digital cameras and camcorders, in video projection systems, for electronic billboards, as monitors for computers, and in flat-panel televisions.
Liquid crystals are materials with a structure that is intermediate between that of liquids and crystalline solids. As in liquids, the molecules of a liquid crystal can flow past one another. As in solid crystals, however, they arrange themselves in recognizably ordered patterns. In common with solid crystals, liquid crystals can exhibit polymorphism; i.e., they can take on different structural patterns, each with unique properties. LCDs utilize either nematic or smectic liquid crystals. The molecules of nematic liquid crystals align themselves with their axes in parallel, as shown in the figure. Smectic liquid crystals, on the other hand, arrange themselves in layered sheets; within different smectic phases, as shown in the figure, the molecules may take on different alignments relative to the plane of the sheets. (For further details on the physics of liquid crystalline matter, see the article liquid crystal.)
The optical properties of liquid crystals depend on the direction light travels through a layer of the material. An electric field (induced by a small electric voltage) can change the orientation of molecules in a layer of liquid crystal and thus affect its optical properties. Such a process is termed an electro-optical effect, and it forms the basis for LCDs. For nematic LCDs, the change in optical properties results from orienting the molecular axes either along or perpendicular to the applied electric field, the preferred direction being determined by the details of the molecule’s chemical structure. Liquid crystal materials that align either parallel or perpendicular to an applied field can be selected to suit particular applications. The small electric voltages necessary to orient liquid crystal molecules have been a key feature of the commercial success of LCDs; other display technologies have rarely matched their low power consumption.
The LCD consists of a large number of pixels, or picture elements, consisting of liquid crystal molecules held between two sets of transparent electrodes.
The liquid crystals react in predictable ways when the electrical charge running between those electrodes is changed — meaning they twist and move in ways that let different amounts (and colors) of light through the crystals. The LCD has a control system that translates your video signals into the proper charges for each electrode. A light source shines through the TV LCD panel and creates your picture.
When compared to the other type of flat-panel display (plasma), LCDs tend to be found on the smaller size of the spectrum. You’ll rarely find a plasma TV smaller than 42 inches, but you can find LCDs at sizes as small as 13 inches.
LCD displays have some strong points when it comes to playing video:
· Extremely high resolutions: LCDs can easily reach HDTV resolutions (in fact, most LCD displays do). You can find a 1080p-capable LCD display in all but the smallest sizes — while many plasma displays are still 720p.
· Excellent color: LCDs offer exceptional reproduction of colors, with the potential for beautifully re-created colors across the spectrum. This differs from other flat-panel displays (such as plasma systems), which often tend to display certain colors inaccurately.
· Great picture: The newest and most expensive LCDs use an LED (light emitting diode) instead of a traditional bulb for their light source. These LEDs produce a higher-quality picture because the LED itself emits a more natural (closer to daylight) light than a bulb (which tends to be yellowish, not true white).
· Energy efficiency: LCD HDTVs are perhaps the greenest HDTVs. Compared to plasmas, LCD HDTVs use less electricity to run. You can probably expect to use about 30 percent less power for an LCD than for a similar-sized plasma.
· PC monitor-capable: Most LCD television displays can also do double-duty as a PC monitor, plugging directly into any PC with a standard PC video cable.
· No burn-in: If you play a lot of video games, watch the stock ticker on MSNBC, or do other things with your display that involve a lot of static content (images that don’t change or move around) on a CRT display, you can end up with those images permanently burned into the phosphors on your screen. Because LCDs use a separate backlight instead of creating their own light with phosphors, they are immune to this problem (plasmas are not, by the way).
· Inherently progressive: Unlike direct-view systems, LCDs don’t display their picture using electron guns scanning lines across a screen. Instead, LCDs use millions of tiny transistors that can be individually controlled by the “brains” inside the display. This means that LCDs can easily handle progressive-scan sources, such as progressive-scan DVD and HDTV.
We learned in school that there are three common states of matter: solid, liquid or gaseous. Solids act the way they do because their molecules always maintain their orientation and stay in the same position with respect to one another. The molecules in liquids are just the opposite: They can change their orientation and move anywhere in the liquid. But there are some substances that can exist in an odd state that is sort of like a liquid and sort of like a solid. When they are in this state, their molecules tend to maintain their orientation, like the molecules in a solid, but also move around to different positions, like the molecules in a liquid. This means that liquid crystals are neither a solid nor a liquid. That's how they ended up with their seemingly contradictory name.
So, do liquid crystals act like solids or liquids or something else? It turns out that liquid crystals are closer to a liquid state than a solid. It takes a fair amount of heat to change a suitable substance from a solid into a liquid crystal, and it only takes a little more heat to turn that same liquid crystal into a real liquid. This explains why liquid crystals are very sensitive to temperature and why they are used to make thermometers and mood rings. It also explains why a laptop computer display may act funny in cold weather