Isamu Akasaki
E46540
Isamu Akasaki was a Japanese physicist and Nobel laureate renowned for pioneering the development of efficient blue light-emitting diodes (LEDs), which revolutionized lighting and display technologies.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Isamu Akasaki canonical | 12 |
| 赤崎勇 | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T368112 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Isamu Akasaki Context triple: [IEEE Photonics Award, notableRecipient, Isamu Akasaki]
-
A.
Leo Esaki
Leo Esaki is a Japanese physicist and Nobel laureate renowned for his pioneering work on quantum tunneling and the invention of the Esaki (tunnel) diode.
-
B.
Nick Holonyak Jr.
Nick Holonyak Jr. was an American engineer and inventor best known for creating the first practical visible-spectrum LED, earning him recognition as a pioneer in semiconductor lighting technology.
-
C.
Ivar Giaever
Ivar Giaever is a Norwegian-American physicist and Nobel laureate recognized for his pioneering work on quantum tunneling in superconductors.
-
D.
Charles K. Kao
Charles K. Kao was a pioneering physicist and electrical engineer known as the "father of fiber optics" for his groundbreaking work enabling high-speed optical fiber communications.
-
E.
William Shockley
William Shockley was an American physicist and co-inventor of the transistor whose work helped launch the field of solid-state electronics and earned him a share of the 1956 Nobel Prize in Physics.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Isamu Akasaki Target entity description: Isamu Akasaki was a Japanese physicist and Nobel laureate renowned for pioneering the development of efficient blue light-emitting diodes (LEDs), which revolutionized lighting and display technologies.
-
A.
Leo Esaki
Leo Esaki is a Japanese physicist and Nobel laureate renowned for his pioneering work on quantum tunneling and the invention of the Esaki (tunnel) diode.
-
B.
Nick Holonyak Jr.
Nick Holonyak Jr. was an American engineer and inventor best known for creating the first practical visible-spectrum LED, earning him recognition as a pioneer in semiconductor lighting technology.
-
C.
Ivar Giaever
Ivar Giaever is a Norwegian-American physicist and Nobel laureate recognized for his pioneering work on quantum tunneling in superconductors.
-
D.
Charles K. Kao
Charles K. Kao was a pioneering physicist and electrical engineer known as the "father of fiber optics" for his groundbreaking work enabling high-speed optical fiber communications.
-
E.
William Shockley
William Shockley was an American physicist and co-inventor of the transistor whose work helped launch the field of solid-state electronics and earned him a share of the 1956 Nobel Prize in Physics.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese physicist
ⓘ
Nobel laureate ⓘ human ⓘ physicist ⓘ |
| awardReceived |
Edison Medal
ⓘ
surface form:
IEEE Edison Medal
Japan Academy Prize ⓘ Kyoto Prize in Advanced Technology ⓘ Nobel Prize in Physics ⓘ Order of Culture ⓘ |
| countryOfCitizenship | Japan ⓘ |
| dateOfBirth | 1929-01-30 ⓘ |
| dateOfDeath | 2021-04-01 ⓘ |
| degree | Doctor of Engineering ⓘ |
| educatedAt | Kyoto University ⓘ |
| employer |
Matsushita Electric Industrial Co.
ⓘ
Matsushita Research Institute Tokyo ⓘ Meijo University ⓘ Nagoya University ⓘ |
| familyName | Akasaki ⓘ |
| fieldOfWork |
optoelectronics
ⓘ
physics ⓘ semiconductor physics ⓘ |
| givenName | Isamu ⓘ |
| honor |
Person of Cultural Merit (Japan)
ⓘ
surface form:
Person of Cultural Merit of Japan
|
| influenced |
energy-efficient lighting technologies
ⓘ
modern solid-state lighting ⓘ |
| knownFor |
development of efficient blue light-emitting diodes
ⓘ
gallium nitride (GaN) based LEDs ⓘ pioneering work on blue LEDs ⓘ |
| memberOf | Japan Academy ⓘ |
| name | Isamu Akasaki self-link ⓘ |
| nativeLanguage | Japanese ⓘ |
| NobelPrize.category | Physics ⓘ |
| NobelPrize.motivation | for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources ⓘ |
| NobelPrize.year | 2014 ⓘ |
| placeOfBirth |
Chiran
ⓘ
Japan ⓘ Kagoshima Prefecture ⓘ |
| placeOfDeath |
Aichi Prefecture
ⓘ
Japan ⓘ Nagoya ⓘ |
| positionHeld |
professor at Meijo University
ⓘ
professor at Nagoya University ⓘ |
| researchFocus |
gallium nitride crystal growth
ⓘ
high-brightness blue LEDs ⓘ p-type doping of gallium nitride ⓘ |
| sharedNobelPrizeWith |
Hiroshi Amano
ⓘ
Shuji Nakamura ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Isamu Akasaki Description of subject: Isamu Akasaki was a Japanese physicist and Nobel laureate renowned for pioneering the development of efficient blue light-emitting diodes (LEDs), which revolutionized lighting and display technologies.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
天野浩
this entity surface form:
赤崎勇
subject surface form:
天野浩
this entity surface form:
赤崎勇
subject surface form:
Shuji Nakamura