Portrait of Richard Friend
Photo: Patrik TschudinSource · CC BY 2.0
Imaging & Audio

Richard Friend

Polymer light-emitting diode display technology

United KingdomEvidence: high confidenceChecked July 2026

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Who is Richard Friend?

Richard Friend is an inventor associated with United Kingdom. Their documented work in imaging & audio includes Polymer light-emitting diode display technology, the contribution at the center of this evidence-backed profile.

Richard Friend pioneered efficient polymer light-emitting diodes, devices that made it possible to envision plastic displays and later flexible electronics. Cambridge records that Cambridge Display Technology was established to develop the technology, while the university's Plastic Logic history documents its progression from a light-emitting plastic discovery into display products.

Known forPolymer light-emitting diode display technology
FieldImaging & Audio
Associated withUnited Kingdom
Evidence reviewed2 sources
01

What did Richard Friend invent?

Pioneered efficient polymer light-emitting diodes and helped commercialize them through Cambridge Display Technology.

02

What did Richard Friend accomplish?

The work launched Cambridge Display Technology and established polymer LEDs as a route to flexible, directly printed display electronics.

03

What is known about Richard Friend today?

Cambridge's 2026 profile lists Friend as Cavendish Professor, Energy IRC steering-committee director, and an active researcher in LEDs and solar cells.

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