Where does this come from, and can I check it?

There is no backlight, so a black area draws almost no power. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a movies & tv fact?

Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

OLED screens light each pixel on its own

There is no backlight, so a black area draws almost no power Organic light-emitting diodes use carbon-based layers that glow when current passes through them. Each pixel can switch off completely, which gives the deep blacks and wide viewing angles OLED televisions are sold on. Sony showed an 11-inch OLED set in 2007. It sits in Mondo's movies & tv collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Encyclopaedia Britannica

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

Go further

Technology trivia

More facts like this

Plasma screens lit tiny cells of gasEach cell held a gas mixture that glowed and excited a phosphor coating An LCD picture is made by blocking lightLiquid crystals twist to gate a lamp behind the glass rather than glowing Liquid crystals flow yet still bend lightRod shaped molecules keep a shared orientation while sliding past one another The first television remote was tied by a cableZenith's Lazy Bones hung off the set and could only switch it on or off Ultrasonic remotes gave us the word clickerZenith's handset struck aluminium rods that pinged at tones the set could hear 16:9 was a compromise between film shapesEngineers picked a ratio roughly between old television and widescreen cinema

Tags: television, displays, oled

OLED screens light each pixel on its own: the short answers

Where does this come from, and can I check it?: There is no backlight, so a black area draws almost no power. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a movies & tv fact?: Yes. It sits on the Movies & TV shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.