Tube TVs have become a rarity in the past. And that makes sense. Firstly, modern TVs take up less space, and secondly, they can be fixed even on the wall. The compact size allows you to choose any screen size - from the traditional 18.5 ″ to huge.
But what is the optimal size? Should you consider distance, area and other factors when choosing a diagonal?
Kinds
At first glance, all TV models are the same, differing only in the range of sizes and designs. However, they also differ in the type of screen. An overview of the most common ones will help guide the consumer when choosing.
Liquid crystal
The essence of their work is to sift the stream of light using fluorescent lamps or LEDs. The following subtypes are distinguished:
- LED (diode flux).
- LCD (fluorescent flux).
How does such a screen work? This is a monitor with liquid crystals, which react to an electromagnetic field and are capable of transmitting some light streams and delaying others.
Benefits:
- low power consumption;
- flicker-free image pleasing to the eye;
- clear and bright image;
- affordable price;
- long service life.
Disadvantages:
- weak dynamics and picture depth;
- the viewing angle does not exceed 125 degrees;
- long matrix response;
- stable resolution.
See also - How to choose a TV for your home: expert advice
Plasma panel
The design is based on the phenomenon of luminescence of a phosphor under the influence of ultraviolet rays arising from an electric discharge in an ionized gas (plasma).
Special benefits:
- viewing from a large angle is possible without image distortion;
- expressive and contrasting pictures with clear contours;
- flicker frequency - up to 600 Hz, invisible to the eyes;
- instant response, without the effect of blurring the picture.
Disadvantages:
- only large dimensions - there are no small plasmas;
- you will have to maintain the required viewing distance, since the large pixel size makes viewing uncomfortable;
- the phosphor burns out faster, which reduces the service life;
- high price;
- high power consumption.
OLED screens
The matrix consists of organic diodes, which effectively emit light when an electric current passes through them.
Benefits:
- high quality level, rich and bright picture (up to 100 thousand cd / m2);
- viewing is possible from almost any angle;
- contrast, colors are flawless;
- economical consumption of electricity;
- there is no flicker, the response time is thousandths of a second;
- the reality of the image;
- wide range of diagonal sizes.
Disadvantages:
- blue phosphor is prone to fast fading;
- high price;
- the technology is not very common among manufacturers.
See also - Which brand of TVs is better to buy
What parameters to pay attention to
Since the advent of televisions, the need to maintain the correct distance from the screen to the viewing position has been constantly emphasized. Therefore, the technique should be selected taking into account its size and distance from the viewer.
Distance
There are guidelines for screen size depending on how far away the TV is from the person. Allowable indicators:
- for 1.5 m - diagonal up to 17 inches;
- 2-3 m are optimal for diagonals 25-40 ″;
- 4-6 m - for 50-80 ″.
Resolution
An important factor to consider when choosing a TV. The higher the number, the better the image quality. The requirements for favorable viewing are also different:
- HD (1280x720). For this type, the proportion of the distance to the screen and the diagonal is 1 / 2.3. For example, at a distance of one meter you can watch HD from 17 ", at 2 m you can watch a 34" TV. Each next meter of distance allows you to place the TV 17 ″ more.
- Full HD (1920 x 1080). With this number of pixels, the dependence of the diagonal and the distance from the screen is as follows: at 1 m, the viewing will be of high quality at 25 ″, 2 m - 50 ″, 3 m - 75 ″.
- Ultra HD 4K (3840x2160). The latest resolution with the best image quality. On a 39-inch screen, the image will be of high quality even at a distance of 1 meter. A distance of 2 meters provides a quality image at 78 ", and 3 meters allows for 117".
Overall dimensions
It seems that the big screen racing fever is over. After all, everything should be proportional. To keep balance and find the perfect technique for your interior, decide in advance - don't blindly choose!
Area
It is important to take into account the area of the room (room), observe the proportions. Recommendations:
- for small rooms, the diagonal should not exceed 20 inches;
- for medium-sized rooms (up to 18 m²), the optimal performance is 37 ″;
- with an area of 20 m² - 40 ″ or more.
Selection principles
The equipment parameters depend on the location of the TV: screen diagonal, dimensions, type. How to choose the right one:
- for a small kitchen due to lack of free space, an HD LCD screen up to 20 ″ is suitable;
- in a living room or bedroom of an average size with a distance of at least 3 m, 40-42 ″ is recommended. If it's Full HD, you can even buy 75 ″;
- large panels are most often chosen for overall areas: this is required by the area and proportions in the design of rooms, since the viewing distance increases. Better to choose an Ultra HD TV. The best picture quality will ensure an enjoyable viewing even on the largest TV screen.
Having minimal knowledge about the types and properties of equipment, its main parameters, it will not be difficult to choose the optimal diagonal.
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