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QLED and Quantum Dot TV


Quantum dot is an image technology characteristic for its remarkably high colour accuracy. It uses myriads of light crystals, only 2 to 10 nm in size, which display a specific colour depending on its size. Crystals are photoactive, which means they both absorb and emit light. A 10-bit panel can therefore produce more colours without distortion and with higher brightness. Quantum dot technology can be found in high-end TVs by Samsung, LG, and others.



SUHD (Super Ultra HD) is Samsung’s top TV range with the best hardware features. It uses quantum dot technology and 10-bit panels with 1 billion colours. This series is designed to provide exceedingly accurate colour reproduction.

Super UHD

Super UHD (Super Ultra HD) is a super high-end LG TV series with LED backlight, equipped with quantum dot technology and 10-bit panels that support 1.73 billion colours. This series is characteristic for its enhanced 4K image and sound coupled with a high colour accuracy, HDR support, and ultra-slim design.


QLED (Quantum Dot Light Emitting Diode) refers to TVs that combine quantum dot and LED technology. They are based on highly energy-efficient light-emitting diodes which, unlike OLED, feature inorganic materials. This results in a much longer lifespan.

What to focus on when choosing a quantum dot TV

Optimum viewing distance and screen size

When selecting the TV size, consider how far you sit from the receiver and what you are planning to watch there.

Screen size (1"= 2.54 cm) / What you watch most oftenSD programs, DVD movies*HD programs, Blu-ray movies*
39"- 50" (about 99-127 cm)2.9 to 3.7 m1.5 to 2 m
55"- 65" (about 140-165 cm)4 to 4.8 m2.2 to 2.6 m
75 "- 100" (about 191-254 cm)5.6 to 7.5 m3 to 4 m

*Many TV channels still broadcast in SD resolution (576p). Larger TV stations have generally made the transition to HD, but it’s not universal.

Panel refresh rate

  • 50Hz panel - common in cheaper TVs. Compared to a 100 Hz panel it results in less smooth and sharp images in dynamic scenes.
  • 100Hz panel - offers crisp and smooth images in the most frantic scenes. The difference compared to a 50Hz panel is particularly noticeable when watching action movies or sports.

TV tuner type

  • DVB-S/S2 - tuners for receiving satellite television broadcasts.
  • DVB-C - cable TV tuner.
  • DVB-T - tuner for digital terrestrial broadcasting. This standard is gradually being phased out in some countries.
  • DVB-T2 + HEVC - tuner for digital terrestrial TV broadcasting compatible with the newer broadcast standard. The countries that are phasing out DVB-T are switching to this.

Make sure that your location has broadcast coverage compatible with your TV model. Don’t forget to purchase the right cable to link your TV with your satellite, antenna, or cable TV outlet.

Useful features and functions

  • WiFi is a wireless technology for connecting your TV to a home network and the Internet.
  • Use Bluetooth to wirelessly connect a soundbar, speakers, headphones, keyboard, or mouse to your TV.
  • A USB port allows you to connect an external storage device, keyboard, or mouse.
  • With Miracast you can wirelessly display photos or play videos from your phone and tablet on your TV.
  • Use WiDi to wirelessly view pictures, play videos or display the notebook desktop on your TV.
  • The PIP/PBP/POP features let you watch two TV stations at once.
  • The CI slot lets you insert a smart card and connect your TV with a satellite or cable television outlet directly, without having to purchase a set-top box.
  • Use PVR (Personal View Recorder) to record a movie or TV show on a USB disk or flash drive. If your TV has a dual tuner, you can record one TV station and watch a different one at the same time.
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