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IPC Subgroup
H10H 20/81

Bodies

Introduced: January 2025

Full Title

Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED] > Constructional details > Bodies

Classification Context

Section:
ELECTRICITY
Class:
SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
Subclass:
INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS

Filing statistics

IPC H10H 20/81 belongs to the parent subclass H10H, which recorded 5,565 patent applications worldwide between 2013 and 2023. Annual filings grew from 5 in 2013 to 2,046 in 2023 (+40820%). The most active applicants in class H10 are SAMSUNG DISPLAY (21,044 applications), SAMSUNG ELECTRONICS COMPANY (14,774 applications) and LG DISPLAY COMPANY (9,454 applications).

Source: EPO PATSTAT, worldwide filings

8 direct subcodes

Child Classifications

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  • H10H 20/813 having a plurality of light-emitting regions, e.g. multi-junction LEDs or light-emitting devices having photoluminescent regions within the bodies
  • H10H 20/814 having reflecting means, e.g. semiconductor Bragg reflectors
  • H10H 20/815 having stress relaxation structures, e.g. buffer layers
  • H10H 20/816 having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures

Top Applicants

Top 10 applicants by patent filingsfor class H10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 21,044
  2. SAMSUNG ELECTRONICS COMPANY KR 14,774
  3. LG DISPLAY COMPANY KR 9,454
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
  5. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
  6. BOE TECHNOLOGY GROUP COMPANY 6,845
  7. BOE TECHNOLOGY GROUP COMPANY CN 6,806
  8. SAMSUNG DISPLAY 6,577
  9. LG CHEM KR 5,461
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115