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What's the difference between OLED screens and IPS LCD screens and which one is better?
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The difference between them is pretty simple. LCD screens are made up of a panel of light emitting diodes which either block or allow light to pass through them, they don't emmit any light themselves and as such have a back light placed behind them. LEDs on the other hand are equally made up of light emmiting diodes but the thing is that these diodes already emmit light on their own and don't require a back light.

In my opinion, LED screens are better because with them, the screen looks much inlier and the contrast is generally better. Also, the Colorado "Black" is much blacker on LEDs than on LCDs because no or little light is emmited when displaying the colour black on LEDs but LCDs still have the back light on regardless of whether or not the colour being showed is black.

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OLED

OLED is a screen that is most widely used in Lumia smartphone series, OLED itself has advantages in terms of colors that are close to natural. Besides this type of screen is very responsive when used as a touch screen. and also has advantages in terms of brightness and viewing angles that go far beyond other types of screens.

LCD IPS

this type of screen has a better viewing and viewing angle than the TFT screen. IPS screen on a smartphone, using more battery power than the TFT type, contributes to a longer battery life.

This type of IPS screen is widely used in middle and upper class smartphones, of high quality.

I personally prefer IPS because I don't have burn-in problems and have more consistent color reproduction accuracy whereas OLED in my opinion is more suitable for television than smartphones or monitors because the image will always move.

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IPS LCD

LCD (Liquid Crystal Display) has been quite long and has remained widely used on smartphones, tablets, TVs, and the majority of computer monitors. In essence the LCD uses liquid crystals, where one pixel LCD is made of one liquid crystal as a point of light. Behind this liquid crystal arrangement there is a backlight that is a source of light. The light passing through the liquid crystal is then polarized, controlled by horizontal and vertical filters that are on the side of the crystal arrangement, so that some colors will be passed on and the other colors will filter.

The most widely used LCD technology today is LCD (In-Plane Switching) LCD. IPS LCD screens have various advantages and disadvantages,

AMOLED

AMOLED (Active Matrix Organic Light-Emitting Diode) is a newer technology than IPS LCD. Basically AMOLED uses the anode and cathode to drain electrons through a very thin film layer. Brightness is determined by whether or not electrons are flowing, while color is regulated by emitting the red, green, and blue diodes embedded in the screen.

AMOLED technology that is often used today is Super AMOLED. The Super AMOLED screen has various advantages and disadvantages,

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