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
8 direct subcodes
Child Classifications
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- H10H 20/811 having quantum effect structures or superlattices, e.g. tunnel junctions
- 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
- H10H 20/817 characterised by the crystal structures or orientations, e.g. polycrystalline, amorphous or porous
- H10H 20/819 characterised by their shape, e.g. curved or truncated substrates
- H10H 20/822 Materials of the light-emitting regions
Top Applicants
Top 10 applicants by patent filingsfor class H10, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 21,044
- SAMSUNG ELECTRONICS COMPANY KR 14,774
- LG DISPLAY COMPANY KR 9,454
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
- BOE TECHNOLOGY GROUP COMPANY 6,845
- BOE TECHNOLOGY GROUP COMPANY CN 6,806
- SAMSUNG DISPLAY 6,577
- LG CHEM KR 5,461
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115