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Topic · Electrical and Electronic Engineering

Organic Light-Emitting Diodes Research

Organic Light-Emitting Diodes Research is a research topic within Electrical and Electronic Engineering. Science Explorer counts 29k research works in it since 1950. 28.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the advances in organic light-emitting diodes (OLEDs), particularly in the development of highly efficient phosphorescent and delayed fluorescence materials, management of excitons, electron transport materials, and addressing efficiency roll-off. It also covers topics related to flexible OLED technology and the use of transition metal complexes in improving the performance of light-emitting devices.

  • Organic Light-Emitting Diodes
  • Phosphorescent Materials
  • Delayed Fluorescence
  • Electroluminescence
  • Transition Metal Complexes
  • Efficiency Roll-Off
  • Exciton Harvesting
  • Electron Transport Materials
  • Flexible OLED Technology
  • Light-Emitting Devices
Research works
29k
fractional, since 1950
In the world top 10%
8.3k
per year above
Top-10% rate
28.3%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+25%
the tick is no change

Which countries lead Organic Light-Emitting Diodes Research research?

By volume, China and South Korea publish the most (2.7k and 425 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 2.7k works
  2. 2 South Korea 425 works
  3. 3 India 320 works
  4. 4 Japan 286 works
  5. 5 United States 262 works
  6. 6 Germany 161 works
  7. 7 Taiwan 157 works
  8. 8 United Kingdom 121 works
  9. 9 Russia 102 works
  10. 10 ?? 95 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 58.5%South Korea: 9.2%India: 6.9%Japan: 6.2%6 others listed: 19.3%58%largest
China2,716 · 58.5%South Korea425 · 9.2%India320 · 6.9%Japan286 · 6.2%6 others listed898 · 19.3%

Shares of the rows listed above, not of the whole node.

Which institutions lead Organic Light-Emitting Diodes Research research?

By volume in 2022–2025, South China University of Technology publishes the most Organic Light-Emitting Diodes Research research, followed by Chinese Academy of Sciences and Jilin University.

By volume, 2022–2025

  1. 1 South China University of TechnologyChina 99 works
  2. 2 Chinese Academy of SciencesChina 81 works
  3. 3 Jilin UniversityChina 67 works
  4. 4 Soochow UniversityChina 65 works
  5. 5 Shenzhen UniversityChina 52 works
  6. 6 Sungkyunkwan UniversitySouth Korea 48 works
  7. 7 Nanjing Tech UniversityChina 48 works
  8. 8 Nanjing University of Posts and TelecommunicationsChina 46 works
  9. 9 Kyung Hee UniversitySouth Korea 46 works
  10. 10 Tsinghua UniversityChina 44 works

Who are the leading researchers in Organic Light-Emitting Diodes Research?

The most-cited researchers publishing on Organic Light-Emitting Diodes Research include Michaël Grätzel, Ben Zhong Tang and Henry J. Snaith.

  1. 1 Michaël Grätzel Switzerland 13k citations
  2. 2 Ben Zhong Tang Hong Kong 7k citations
  3. 3 Henry J. Snaith United Kingdom 6.6k citations
  4. 4 Wei Huang China 5.5k citations
  5. 5 Anders Hagfeldt Sweden 4.6k citations
  6. 6 Liming Dai United States 4.2k citations
  7. 7 Richard H. Friend United Kingdom 4k citations
  8. 8 Niyazi Serdar Sariçiftçi Austria 3.8k citations
  9. 9 Mohammad Khaja Nazeeruddin Switzerland 3.5k citations
  10. 10 Jacky W. Y. Lam Hong Kong 3.4k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Organic Light-Emitting Diodes Research research done?

The largest centres of Organic Light-Emitting Diodes Research research in 2022–2025 are Beijing (China), Seoul (South Korea), Guangzhou (China) and Nanjing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Changchun, Guangzhou and St Andrews.

Largest cities, 2022–2025

  1. 1 Beijing China 459 works
  2. 2 Seoul South Korea 244 works
  3. 3 Guangzhou China 193 works
  4. 4 Nanjing China 183 works
  5. 5 Shenzhen China 139 works
  6. 6 Shanghai China 136 works
  7. 7 Changchun China 120 works
  8. 8 Wuhan China 105 works
  9. 9 Tianjin China 98 works
  10. 10 Xi'an China 92 works

Where it is the local speciality

  1. Changchun30.7 works61×
  2. Guangzhou22.1 works36×
  3. St AndrewsGB · 24.3 works21×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Organic Light-Emitting Diodes Research than the world average.

See Organic Light-Emitting Diodes Research on the map

Where is the best place to study Organic Light-Emitting Diodes Research?

Among universities, judged by research, Shenzhen University, Soochow University and Macau University of Science and Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 37.07%fractional works in this node (log) →share in the world top 10% →Shenzhen University: 52, 41.5%Soochow University: 65, 36.2%Macau University of Science and Technology: 18, 45.9%South China University of Technology: 98, 30.6%Chinese University of Hong Kong, Shenzhen: 23, 42.5%City University of Hong Kong: 25, 46.5%Southern University of Science and Technology: 24, 34.8%Qingdao University of Science and Technology: 30, 29.4%Nanjing Tech University: 48, 20.9%Nanjing University: 31, 42.4%Macau University of …Shenzhen UniversitySoochow UniversitySouth China Universi…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Shenzhen UniversityChina 81.641.5%13.2×52 +160.3%
2 Soochow UniversityChina 76.536.2%15.4×65 +129.2%
3 Macau University of Science and TechnologyMacau 75.345.9%15.3×18 —
4 South China University of TechnologyChina 73.130.6%17.1×98 +71.8%
5 Chinese University of Hong Kong, ShenzhenChina 71.742.5%23.3×23 —
6 City University of Hong KongHong Kong 71.246.5%8.2×25 +1.6%
7 Southern University of Science and TechnologyChina 70.034.8%8.4×24 +663.0%
8 Qingdao University of Science and TechnologyChina 68.429.4%15.4×30 +179.4%
9 Nanjing Tech UniversityChina 66.220.9%18.0×48 +162.0%
10 Nanjing UniversityChina 65.642.4%7.6×31 +84.9%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Organic Light-Emitting Diodes Research research growing?

Output in 2018–2022 was 25% higher than in 2013–2017, peaking in 2022. The fastest-growing topics are Organic Light-Emitting Diodes Research.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.