The best TV display 2017
The following article presents a quick guide explaining the strong and weak points of current TV screens.
The light source is installed either on the sides of the TV (also known as edge lighting) or directly behind the screen (known as direct lit or full-array lighting).
In each case, the light will pass through the surface of the screen and the light flux will be modulated by liquid crystals. The final color is set by three color filters applied in the very same way.
The light source is comprised of very bright white LEDs and not neon tubes. Unlike traditional technology, LEDs have lower power needs and enhanced brightness. The increased brightness gives the impression that LED TVs are brighter than traditional ones.
In case of OLED displays, each individual pixel can turn itself on and off individually, switch to various colors, depending on the picture that needs to be shown. Thus, unlike LED and LCD screens, each pixel of OLED displays generates light and can fully shut down, creating a complete black nuance in a particular area.
OLED TVs generally boast more pleasant and vivid colors and a sharper black. This overall leads to a higher contrast. Light bleeding issues are reduced if not completely removed and the screen can be thinner since liquid crystal layers are no longer needed.
OLED translates as Organic LED, meaning each pixel is actually a LED built using organic materials.
QLED (or Quantum Dot) TVs feature a technology developed concurrently with OLED, but with a different working principle. This technology uses nanocrystals – tiny particles that shine out various colors when lighten up – also known as quantum dots. Quantum Dot TV usually generate a blue light source which, when passing through various nanocrystal layers on the screen, changes color.
Each technology has its own pros and cons, for example QLED can generate a brighter light but not a sharper black than OLED.