DIFF 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
Of 9 combined children, 8 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2025.
Child Classifications
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- H10H 20/811 having quantum effect structures or superlattices, e.g. tunnel junctions since 2025 IPC+CPC Available in IPC and CPC
- 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 since 2025 +2 CPC IPC+CPC Available in IPC and CPC
- H10H 20/814 having reflecting means, e.g. semiconductor Bragg reflectors since 2025 +1 CPC IPC+CPC Available in IPC and CPC
- H10H 20/815 having stress relaxation structures, e.g. buffer layers since 2025 IPC+CPC Available in IPC and CPC
- H10H 20/816 having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures since 2025 +1 CPC IPC+CPC Available in IPC and CPC
- H10H 20/817 characterised by the crystal structures or orientations, e.g. polycrystalline, amorphous or porous since 2025 IPC+CPC Available in IPC and CPC
- H10H 20/819 characterised by their shape, e.g. curved or truncated substrates since 2025 IPC+CPC Available in IPC and CPC