Home › Entities › type_of_electronic_component › light-emitting diode

light-emitting diode

solid-state semiconductor light source
Thing type_of_electronic_component Q25504
Press Enter · cited answer in seconds

Summary

light-emitting diode is a type of electronic component[1]. It ranks in the top 6% of type of electronic component entities by monthly Wikipedia readership (14,849 views/month).[2]

Key Facts

  • Discoverer or inventor: H. J. Round[3], Oleg Losev[4], James R. Biard[5], Nick Holonyak[6], Shuji Nakamura[7]
  • Subclass of: semiconductor diode[8], light-emitting component[9], capacitor[10]
  • Has use: light source[11], signal[12], lamp[13], light fixture[14], indicator light[15]
  • Commons category: Light-emitting diodes[16]
  • Topic's main category: Category:Light-emitting diodes[17]
  • Commons gallery: LED[18]
  • Described at URL: https://learn.sparkfun.com/tutorials/polarity/diode-and-led-polarity[19], https://www.heathcote-electronics.co.uk/LED.html[20], https://greenice.com/en-gb/blogs/tips-2/polarity-of-an-led-what-is-and-how-to-identify-it[21], https://www.bbc.co.uk/bitesize/guides/zhxqmsg/revision/5[22]
  • Stack Exchange tag: https://electronics.stackexchange.com/tags/led[23]
  • Different from: lead[24]
  • History of topic: History of the LED[25]
  • Studied by: Light-emitting diode physics[26]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[27]
  • P6009: 2231/light-emitting-diode-led[28]

Why It Matters

light-emitting diode has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[29] It is known by 115 alternative names across languages and contexts.[30]

Related Entities

anode BPI-M2 Zero cathode HP-21 indicator light lead LED-backlit LCD display Nintendo Switch 2 Camera optical mouse PLED remote control ROG STRIX Z390-F GAMING segment display Shuji Nakamura

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . myledpassion.com. Retrieved . myledpassion.com. Provenance: wikidata.org.
  2. [4] ↑ . web.archive.org. Retrieved . web.archive.org. Provenance: wikidata.org.
  3. [5] ↑ . freepatentsonline.com. Retrieved . freepatentsonline.com. Provenance: wikidata.org.
  4. [6] ↑ . web.archive.org. Retrieved . web.archive.org. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] ↑ . Wikidata sitelinks. wikidata.org.
  3. [30] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). light-emitting diode. Retrieved October 16, 2026, from https://4ort.xyz/entity/light-emitting-diode
MLA “light-emitting diode.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/light-emitting-diode.
BibTeX @misc{4ortxyz_light-emitting-diode_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{light-emitting diode}}, year = {2026}, url = {https://4ort.xyz/entity/light-emitting-diode}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): light-emitting diode — https://4ort.xyz/entity/light-emitting-diode (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/light-emitting-diode · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 10w ago · Im tau · 2026-08-06 view diff on Wikidata ↗
    Pinout → ['Anode', 'Cathode']
    Instance of → type of electronic component
    Icon → IEEE 315-1975 (1993) 8.5.4.2.svg
    Uses → Q215803
    "/* wbremoveclaims-remove:1| */ Instance of: active electronic component"
  2. 10w ago · Im tau · 2026-08-02 view diff on Wikidata ↗
    Image → Verschiedene LEDs.jpg
    "/* wbsetclaim-create:2||1 */ Image: RBG-LED.jpg"
  3. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → vn04O
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  4. 18w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0286047-svetelne-diody
    "/* wbcreateclaim-create:1| */ Svkkl authority id: 0286047-svetelne-diody, [[:toollabs:quickstatements/#/batch/259494|batch #259494]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.