How to find out what display your phone has. Find out where and look at all the technical characteristics of the monitor

The screen is an integral element of the design of a modern mobile phone. Long gone are the days when the “color” characteristic reflected all the advantages of the model and served as proof that the handset belonged to the upper segment and had flagship characteristics. Today, the variety of mobile phone screens makes it possible to satisfy even the most demanding customers. The other side of the coin is the abundance of technologies and terms for their designation, among which it is sometimes very difficult for a non-professional to navigate. This article will help you understand all of them, introducing you to the main types of screens, their design and properties.

When characterizing the properties of an input/output device, which is a touch display, the following parameters are taken into account:

Screen dimensions, its diagonal (most often measured in inches, 1 inch is 2.5 cm).
Resolution (the number of active points that form the picture).
Pixel density indicator (expressed in DPI (dots per inch) or PPI (pixel per inch) - the number of dots per inch).
Production technology (image quality and consumer properties of the product depend on it).
Type of touchscreen design (touch covering that responds to touches).

It is these indicators that serve as criteria for choosing a phone. And now more details.

The screen diagonal of most modern smartphones is between 4-6 inches (smaller sizes are traditionally installed on simple dialers, and tablet PCs start at 6 inches).

Resolution and DPI

Screen resolution is one of the most important characteristics of a phone. It depends on it how high quality the picture on the phone screen will be. The higher it is, the greater the pixel density, and the more uniform the image will look. The combination of large dimensions and low resolution makes the picture “grainy” and fragmented. High separation capacity, on the contrary, ensures uniformity and smoothness of shapes for the information on the screen. Modern Full-HD screens consist of elements that are indistinguishable to the naked eye, and make the image ultra-clear.

The term Retina display was coined by Apple to refer to screens with a pixel density of more than 300 units per inch (for phones). In such devices, the human eye cannot distinguish individual elements of the screen and perceives the entire picture, like the real outlines of an object or its image on paper and canvas. Today, companies such as Samsung, Sharp and LG are engaged in the production of Retina display.

The most common display resolutions today are:

320x480 pixels is almost obsolete, but is still found in budget smartphones. It produces an overly grainy picture, which is why it is not popular. Denoted by the term HVGA.
480x800 and 480x854 (WVGA) are common resolutions among inexpensive phones. Looks normal with a diagonal of 3.5-4", on larger ones it gives an overly fragmented image.
540x960 (qHD) is a popular indicator for mid-budget smartphones. Provides acceptable image quality on screens up to 4.5-4.8 inches diagonal.
720x1280 – this is where HD smartphones start. Provides excellent picture detail up to 5.5", looks good on large displays.
1080x1920 – Full-HD matrices providing excellent image quality. Used in flagship smartphone models.
We should also highlight the displays used in Apple products. They use non-standard resolutions: 640x960 at 3.5" (iPhone 4/4s model), 640x1136 for 4" (5/5c/5s), and 750x1334 for 4.7" (iPhone 6).

When choosing a new smartphone, you should consider the display size and DPI. Buying a phone with a lower pixel density than its predecessor will take a long time to get used to, and at first it will cause discomfort to the eyes. If the dots per inch density is less than 200, it is possible that you will never be able to get used to it. Pay attention to this when purchasing a phone with a larger diagonal than the old handset: for example, a resolution of 480x800 gives about 233 DPI with a diagonal of 4", and with a 5" - only 186.

Production technologies, types of smartphone displays

Today we can distinguish two main directions in screen production technologies: liquid crystal matrices (LCD) and organic light-emitting diode (OLED) devices.

The first ones have become somewhat more widespread and are divided, in turn, into:

TN matrices are the most common displays for touch screen phones. Their advantages are low cost, high response speed (pixel response time to voltage supply). The disadvantages of such matrices include insufficient color reproduction and a mediocre viewing angle.

IPS– the next step in the evolution of display devices. Due to its high cost, the technology was initially used only in professional monitors, but later came to the world of phones and smartphones. They allow you to achieve excellent color reproduction, good viewing angles (up to 178 degrees), high clarity and contrast. Such screens are more expensive, so they are almost never used in phones costing up to $200.

PLS– an attempt by Samsung to create a solution that is devoid of the disadvantages of TN matrices, but cheaper than IPS. In essence, it is a modification of IPS using compromise solutions to reduce production costs.

Organic displays (OLED, AMOLED) differ from LCDs in that instead of liquid crystals, the matrix consists of microscopic LEDs. Such screens make it possible to do without additional backlighting (LCD matrices traditionally use diodes installed around the perimeter of the screen, and the light from them is directed to the matrix using a layer of reflectors). Their energy consumption depends on the color of the transmitted image (dark shades are more economical than light shades, which display energy consumption even higher than LCD).

Top super amoled
Bottom ips

Theoretically, such displays are superior to LCD in almost all respects, but in practice, it is not always possible to achieve an ideal picture. The disadvantages of the products include low reliability. Super AMOLED display is an attempt to develop a screen specifically for touchscreen smartphones. In it, the touchscreen is one with the display surface. By reducing the thickness, greater brightness, better color rendering and viewing angles are achieved, but the mechanical strength of the product is reduced.

Types of touch screens

The most common are two types of displays:

Resistive.
Capacitive.

Resist ones consist of two layers, on the surface of which transparent conductor tracks are applied. The coordinates of the press are calculated by changing the current resistance at the point of contact. Now such screens are almost never used, their scope of use is limited to budget models. The advantage of resistive touchscreens is their low cost and the ability to press with any object. Disadvantages - low durability, scratch resistance, loss of screen brightness.

A smartphone screen with a capacitive sensor is brighter and scratch-resistant (due to the use of glass), but is more complex to manufacture and does not respond to touches from foreign objects. The technology is based on calculating the coordinates of current leaks when pressed with a finger. Such touchscreens consist of one layer of glass, on the inner surface of which a conductive layer is applied, or glass and a touch film.

Recently, capacitive screens have been equipped with special tempered glass, like Gorilla Glass, which allows them to achieve high resistance to mechanical damage. To prevent contamination, a special oleophobic coating is applied to the touchscreens of smartphones.

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The phone screen resolution is set by the manufacturer itself. Sometimes it does not suit users, for this reason many want to change it. There is no way to change permissions using the gadget settings. Usually you need to get root rights on your smartphone and install some applications.

However, this does not stop many; they do not want to put up with large, inconvenient icons on the screen. For games and ease of use of a smartphone, you need to customize the screen. However, first you should find out the resolution of the device so that, if necessary, you can put the same one back.

How to find out the screen resolution on your phone

Screen resolution is the number of pixels per specific area. The higher this indicator, the better and clearer the image will be. On inexpensive models of phones or tablets, this indicator is usually small. Therefore it is necessary to increase the resolution.

It’s quite easy to find out this indicator; take a screenshot. Depending on the model, the buttons for this function vary, but usually they are “volume” and “lock”. After you take the screenshot, look at the number of dots in the file information.

How to change screen resolution on Android

You can do this using special applications. One of the popular and easy to use is LCD Density Modder Pro. However, first you need to get root rights, also make a backup copy. Because if something goes wrong, you will have to reset the settings. Download the application and open it.

It is worth noting that the utility is in English, so it may seem inconvenient. Android OS must be at least 2.2, so it will fit most modern devices. The application allows you to save and import settings.

How to change screen resolution on Android using a file manager

You need to download any explorer from Google Play. You will also need root rights, otherwise nothing will work. After the application is installed, you need to find the System folder. It should contain a file called "build.prop". Open it with a text editor and change the number of dots on the screen, but remember to match it to the capabilities of the screen.

User question...

Good afternoon.

Please help, I want to buy a monitor exactly the same as the one I have now, but I don’t know its exact model. All that is there is a sticker on the body of the device, which only indicates its brand (Samsung).

How can I find out the model of my monitor without disassembling it and taking it to a specialist shop (and is this possible)?

Hello.

There are several ways to determine your monitor model and they are all quite simple. And, by the way, I should note that the monitor model is sometimes needed not only in cases when you want to replace it, but also in order to know its capabilities and acceptable operating modes.

Let's look at a few ways below...

Determining your monitor model

Method number 1: sticker on the body

The easiest and fastest way to determine what kind of monitor you have is to find the sticker on the device case. If there is no sticker or inscription on the front side, then in most cases there is one on the back side of the device, next to the VGA (D-Sub), HDMI, etc. inputs.

The example below is shown in the photo: monitor model AOC F22s+. Actually, knowing the monitor model, you can easily find out all its characteristics on the Internet (on the same Yandex market)...

Method number 2: using special. utilities (Aida, Everest, Astra 32)

Sometimes, there are no stickers on the monitor body (for example, the device could simply come off due to years of use...).

In this case, I recommend using one of the utilities to determine the characteristics of your computer. There are quite a lot of them now, but not everyone can get the maximum information about your monitor. I recommend using Everest or Aida 64 (link to them below).

In a programme EVEREST just open the tab "Display/Monitor" , then you will see the following information: monitor name, ID, model, monitor type, serial number, brightness, resolution. aspect ratio, frame rate (scan), etc. In general, everything that was required!

Program AIDA 64 works in the same way: you need to open the same tab "Display/Monitor" : you will see approximately the same information (by the way, the information displayed also depends on the model of your monitor; the screen below shows the properties of the Dell Inspiron 3542 - LG Philips LP156WHB (Dell DCR74) laptop monitor).

The program can show slightly more extensive information ASTRA 32. It has a whole section dedicated to monitors connected to your computer (laptop). By logging into it, you will find out almost all the data about your monitor that can be obtained (probably as much as is in the passport for this product).

ASTRA 32 - monitor: manufacturer, release date, gamma factor, aspect ratio, serial number, monitor ID, display type, input signal, firmware manufacturer, driver status, etc.

Method number 3: in properties (via the Windows Control Panel)

You can also get partial information about the monitor in Windows. To do this, you need to open the control panel at the following address:

This way you will know current resolution (and as much as possible) sweep frequency, monitor model (some information may not be available if you do not have drivers installed for your monitor (not to be confused with video card drivers!)).

That's all I have for this sim, special thanks in advance for any additions.

Good luck identifying the type and model!

How to find out the touchscreen model on a tablet? How to choose a touchscreen for a tablet? Which touchscreen is suitable for an analogue tablet? How to find out which touchscreen is suitable for a Chinese tablet? How to disassemble the tablet? How to find out the touchscreen number? Part number on the tablet?

We disassemble the tablet and find out the number of the touchscreen, touch glass, touch screen.

Let's take the IconBit tablet as an example.

The easiest way to disassemble the tablet and remove the back cover is with a plastic card or an old SIM card.

Carefully insert the plastic card between the back cover and the body of the tablet and swipe it across the office.

After we have removed the back cover of the tablet, we need to trace the cable that comes from the touchscreen. The cable on the tablet can be sealed with thermal tape, carefully peel it off and look at the number on the cable. Using this number you can find the desired touchscreen for your tablet.

Sometimes the number may be under the cable and to do this you will need to disconnect it from the board.

Greetings!

Using the display, the user receives visual information and can perform various manipulations with the device thanks to touch control. And the displays that are now installed in mobile devices are divided into several types, on which the quality of the displayed information directly depends. Let's look at what kind of displays are now available in smartphones and tablets and how to determine what type of display is installed in the device you have.

What types of displays can be found in smartphones and tablets

Today we have the following situation with the types of technologies used to produce displays for mobile devices:

TFT TN– this type of display was previously encountered en masse, at the dawn of the formation of mobile gadgets. It is distinguished by its affordable price, but in terms of displaying information it lacks stars from the sky. Low response time, limited color gamut, viewing angles are also very limited - if you deviate, you can observe significant distortions in the displayed information. Fortunately, today such displays are practically not installed in mobile devices, which cannot be said about computer monitors, where they are still installed en masse...
IPS– displays created using this technology can boast of very, very high-quality display of information across the entire color palette. And the viewing angles are in perfect order, the image is not distorted even with a significant deviation. Today, these displays are used in the vast majority of mobile devices.
OLED– displays on organic light-emitting diodes. Current trend in display technology. These displays are installed in devices in the high price range, although they can increasingly be seen in devices in the mid-price range. The advantages include reduced power consumption and unsurpassed quality of information display.

How to determine the display type of a mobile device

One well-known utility called AIDA64 will help us here. We will assume that you used Google Play and installed it from there.