Quantum dot TVs
Quantum dots are semiconductor crystals a few nanometers across. Shine light on one and it glows a pure color, and the color depends on the crystal's size. TVs use them to make brighter, richer colors.
Samsung Newsroom, 4 Apr 2025How far from your life: It is probably already in your life.
Company-reportedFrom lab to your life
Why it’s on step 5
- 1Lab discovery
- 2Working prototype
- 3Real-world testing
- 4Approved or on sale
- 5Everyday life
The rule
Widely used: in products or treatments that reach millions of people, or sold in ordinary shops.
- Samsung had sold about 44 million QLED TVs since launching the line in 2017, including 8.31 million in 2023. Asia Economy, 19 Feb 2024
The short version
What you need to know
- How small
A few thousandths of the thickness of a human hair.
Samsung Newsroom, 4 Apr 2025- Is it really nano?
Truly nano
The color comes from the crystals' size, which only works at the nanoscale.
Samsung Newsroom, 4 Apr 2025- Where you’ll find it
In QLED and other quantum dot TVs and monitors.
Asia Economy, 19 Feb 2024- Who’s behind it
Samsung and other TV makers
On the record
Every step, dated
Newest first. Company-reported means the only source so far is the company itself.
- Widely usedCompany-reported
Samsung had sold about 44 million QLED TVs since launching the line in 2017, including 8.31 million in 2023.
Asia Economy, 19 Feb 2024 - On the record
The Nobel Prize in Chemistry was awarded for the discovery and synthesis of quantum dots.
Samsung Newsroom, 4 Apr 2025 - On saleCompany-reported
Samsung introduced the SUHD TV, which it calls the world's first cadmium-free quantum dot TV.
Samsung Newsroom, 4 Apr 2025
Who makes it
The companies
- 005930KRXSamsung Electronics
Began making chips with gate-all-around transistors in 2022, and sells quantum dot TVs.
We track:Nanosheet transistorsQuantum dot TVs
Sources
Where every line comes from
Each source with the passage, word for word, that backs what we wrote.
- Samsung Newsroom, 4 Apr 2025
In other words, the size of the quantum dot nanocrystal determines its color.
- Asia Economy, 19 Feb 2024
Since Samsung first introduced QLED in 2017, it has sold approximately 44 million units
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