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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. 9.7% 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%
2.9k
per year above
Top-10% rate
9.7%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+5%
the tick is no change
Largest producer
China
59% of the 10 largest, 2022-now
Organic Light-Emitting Diodes Research

Which countries lead Organic Light-Emitting Diodes Research research?

By volume, China and South Korea publish the most (3.2k and 482 works in 2022-now).

By volume, 2022-now

  1. 1 China 3.2k works
  2. 2 South Korea 482 works
  3. 3 India 379 works
  4. 4 Japan 331 works
  5. 5 United States 313 works
  6. 6 Germany 188 works
  7. 7 Taiwan 175 works
  8. 8 United Kingdom 138 works
  9. 9 Russia 119 works
  10. 10 France 108 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: 59.3%South Korea: 8.8%India: 6.9%Japan: 6.0%6 others listed: 19.0%59%largest
China3,248 · 59.3%South Korea482 · 8.8%India379 · 6.9%Japan331 · 6.0%6 others listed1,041 · 19.0%

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

Which institutions lead Organic Light-Emitting Diodes Research research?

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

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 276 works
  2. 2 South China University of TechnologyChina 139 works
  3. 3 Jilin UniversityChina 108 works
  4. 4 Soochow UniversityChina 74 works
  5. 5 Centre National de la Recherche ScientifiqueFrance 63 works
  6. 6 Russian Academy of SciencesRussia 60 works
  7. 7 Tsinghua UniversityChina 60 works
  8. 8 Shenzhen UniversityChina 60 works
  9. 9 Nanjing University of Posts and TelecommunicationsChina 55 works
  10. 10 Sungkyunkwan UniversitySouth Korea 53 works

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

The most-cited researchers publishing on Organic Light-Emitting Diodes Research include Zhong Lin Wang, Michaël Grätzel and George M. Whitesides.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 Michaël Grätzel Switzerland 458k citations
  3. 3 George M. Whitesides United States 267k citations
  4. 4 Wei Huang China 267k citations
  5. 5 Ben Zhong Tang China 261k citations
  6. 6 Kenji Watanabe Japan 237k citations
  7. 7 Takashi Taniguchi Japan 227k citations
  8. 8 Stefan Grimme Germany 224k citations
  9. 9 Kai You Wang China 224k citations
  10. 10 Lei Jiang China 214k citations

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

What are the most cited papers in Organic Light-Emitting Diodes Research?

The most cited paper in Organic Light-Emitting Diodes Research is "Organic electroluminescent diodes" (Chak Wah Tang, S. A. VanSlyke, 1987), with 14,388 citations. Next come "Light-emitting diodes based on conjugated polymers" (11,399) and "Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsilole" (8,370).

Most cited papers
#PaperReleasedCitations
1 Organic electroluminescent diodes Chak Wah Tang, S. A. VanSlyke · Applied Physics Letters 21 Sep 1987 14,388
2 Light-emitting diodes based on conjugated polymers J. H. Burroughes, Donal D. C. Bradley, Adam R. C. Brown et al. · Nature Oct 1990 11,399
3 Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsilole Jingdong Luo, Zhiliang Xie, Jacky W. Y. Lam et al. · Chemical Communications 2001 8,370
4 Aggregation-Induced Emission: Together We Shine, United We Soar! Ju Mei, Nelson L. C. Leung, Ryan T. K. Kwok et al. · Chemical Reviews Review 22 Oct 2015 8,309
5 Highly efficient organic light-emitting diodes from delayed fluorescence H. Uoyama, Kenichi Goushi, Katsuyuki Shizu et al. · Nature Open access Dec 2012 8,278
All 100 most cited papers, with filters and sorting

Where is Organic Light-Emitting Diodes Research research done?

The largest centres of Organic Light-Emitting Diodes Research research in 2022-now 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 Yamagata.

Largest cities, 2022-now

  1. 1 BeijingChina 526 works
  2. 2 SeoulSouth Korea 274 works
  3. 3 GuangzhouChina 224 works
  4. 4 NanjingChina 208 works
  5. 5 ShenzhenChina 158 works
  6. 6 ShanghaiChina 157 works
  7. 7 ChangchunChina 133 works
  8. 8 WuhanChina 121 works
  9. 9 TianjinChina 111 works
  10. 10 Xi'anChina 104 works

Where it is the local speciality

  1. Changchun33.1 works60×
  2. Guangzhou23.3 works35×
  3. YamagataJP · 20.4 works32×
  4. St AndrewsGB · 27.8 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, City University of Hong Kong and Chinese University of Hong Kong, Shenzhen 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%10%20%30%mean 20.85%fractional works in this field (log) →share of work in the world top 10% →Shenzhen UniversityCity University of H…Chinese University o…South China Universi…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Shenzhen UniversityChina 78.325.4%14.7×60 +89.1%
2City University of Hong KongChina 73.623.4%8.7×28 +31.1%
3Chinese University of Hong Kong, ShenzhenChina 72.523.4%25.8×26 +493.5%
4South China University of TechnologyChina 71.613.7%23.2×139 +19.2%
5University of MacauChina 68.828.4%5.5×10 +121.3%
6Macau University of Science and TechnologyChina 68.319.9%17.0×20 +515.0%
7Jilin UniversityChina 67.713.8%17.1×108 +30.4%
8Soochow UniversityChina 66.818.1%13.8×74 +11.6%
9Northwestern Polytechnical UniversityChina 64.523.4%5.3×33 +6.4%
10University of Chinese Academy of SciencesChina 64.019.0%5.0×45 +21.8%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Organic Light-Emitting Diodes Research, country by country

Is Organic Light-Emitting Diodes Research research growing?

Output in 2022-2025 was 5% higher than in 2018-2021, peaking in 2022. The fastest-growing topics are Organic Light-Emitting Diodes Research.

still counting19801990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Organic Light-Emitting Diodes Research as a percentage of every work published that year, 0.024% in 2024.

still counting0.020%0.040%Organic Light-Emitting Diodes Research0.024% in 202519801990200020102020

Fractional works of Organic Light-Emitting Diodes Research over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Organic Light-Emitting Diodes Research9.7% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

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