What's better LCD or OLED on a phone?

What is LCD on a phone?

Liquid crystal display (LCD) is a very common electronic display in our life. When you are hearing its name, you might ask is there liquid in it?

There is a special fluid in the LCD screen, which is called liquid crystal. Just like its name, the liquid crystal has some properties of both liquid and crystal: It can flow like a liquid and on the other hand, its molecular arrangement is as orderly as a solid crystal, which can be stated in between liquid and solid. By applying different voltages to the liquid crystal layer in the screen, the arrangement of its molecules can be changed, and different optical properties, such as light transmission, can be exhibited. This photoelectric effect is the basic principle of liquid crystal screen imaging.

There are many types of liquid crystals, There are biphenyl liquid crystals, phenyl cyclohexane liquid crystals, and ester liquid crystals. Traditional display screens such as CRT image tube displays are often bulky, while LCD screens can be very light and thin, require a low voltage, and consume less power, so they are more popular.

What is OLED?

OLED screens are made of organic light-emitting materials. The emission electroluminescent layer is an organic compound film that emits light in response to current. The organic layer is located between two electrodes; Usually, one of these electrodes is transparent. And OLEDs are Widely used to create digital displays in devices such as TV screens, computer monitors, and smartphones.

What's better LCD or OLED on a phone?

Advantages and Disadvantages of the LCD screen

Advantage: The LCD screen has a characteristic that OLED cannot copy, that it can’t emit light by itself, and its screen display needs to be projected through the backlight panel to achieve the function of displaying content. This feature makes the LCD screen more softer than the OLED screen, and the light is more natural and gentle, without causing strong irritation to the eyes. Even if you use a mobile phone with an LCD screen for a long time, it will not easily cause eye fatigue. The technology is more mature, but the cost is lower.

Disadvantage: Due to the backlight panel being required to project light, that leads to mobile phone using LCD screen needs a thicker space for the backlight panel, resulting in the thickness of the mobile phone being thicker than that of the OLED screen.

Advantages and Disadvantages of OLED screen

Advantage: OLED Compared with an LCD screen, its advantage is that it can emit light by itself, without the projection of a background plate, and it has the advantages of being thinner and more operable than an LCD screen. For example, the current curved screen, perforated screen, and under-screen fingerprint technology are all realized under the OLED screen. And because there is no backlight, the OLED screen is more power-saving and energy-saving.

Disadvantage: Of course, an OLED screen also has disadvantages, if you use an OLED screen phone long-term, it will cause eye irritation. Although OLED screen technology continues to develop, eye protection functions are constantly being valued and optimized, but generally speaking, there is no better eye protection than LCD screens.

To sum up 

To sum up, both LCD and OLED have their advantages and disadvantages. It is not objective to say which one is better, LCD screen or OLED screen. They each have irreplaceable advantages. So you can choose an LCD or OLED screen according to your needs.

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