1. CPC Sections
  2. CPC Section F
  3. CPC Class F21
  4. CPC Subclass F21Y
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
F21Y
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED [2016-08]
NOTE

  • This subclass constitutes an indexing scheme associated with subclasses F21K, F21L, F21S and F21V, relating to the form or the kind of the light sources, or of the colour of the light emitted.
F21Y 2101/00
Point-like light sources [2021-08]
F21Y 2103/00
Elongate light sources, e.g. fluorescent tubes [2021-08]
F21Y 2103/10
.
comprising a linear array of point-like light-generating elements [2021-08]
F21Y 2103/20
.
of polygonal shape, e.g. square or rectangular [2021-08]
F21Y 2103/30
.
curved [2016-08]
F21Y 2103/33
. .
annular [2016-08]
F21Y 2103/37
. .
U-shaped [2016-08]
F21Y 2105/00
Planar light sources [2021-08]
F21Y 2105/10
.
comprising a two-dimensional array of point-like light-generating elements [2021-08]
F21Y 2105/12
. .
characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities [2021-08]
F21Y 2105/14
. .
characterised by the overall shape of the two-dimensional array [2021-08]
F21Y 2105/16
. . .
square or rectangular, e.g. for light panels [2021-08]
F21Y 2105/18
. . .
annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam [2021-08]
F21Y 2107/00
Light sources with three-dimensionally disposed light-generating elements [2021-08]
F21Y 2107/10
.
on concave supports or substrates, e.g. on the inner side of bowl-shaped supports [2021-08]
F21Y 2107/20
.
on convex supports or substrates, e.g. on the outer surface of spheres [2021-08]
F21Y 2107/30
.
on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section [2021-08]
F21Y 2107/40
.
on the sides of polyhedrons, e.g. cubes or pyramids [2021-08]
F21Y 2107/50
.
on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted [2021-08]
F21Y 2107/60
.
on stacked substrates [2021-08]
F21Y 2107/70
.
on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form [2021-08]
F21Y 2107/80
.
on articulated supports or substrates [2021-08]
F21Y 2107/90
.
on two opposite sides of supports or substrates [2021-08]
F21Y 2109/00
Light sources with light-generating elements disposed on transparent or translucent supports or substrates [2021-08]
F21Y 2111/00
Light sources of a form not covered by groups F21Y 2101/00-F21Y 2107/00 [2021-08]
​
F21Y 2113/00
Combination of light sources [2023-05]
WARNING

​
F21Y 2113/10
.
of different colours [2023-05]
WARNING

​
F21Y 2113/13
. .
comprising an assembly of point-like light sources [2023-05]
WARNING

​
F21Y 2113/17
. . .
forming a single encapsulated light source [2023-05]
WARNING

​
F21Y 2113/20
.
of different form [2023-05]
WARNING

​
F21Y 2113/30
.
{of visible and non-visible spectrum} [2023-05]
WARNING

F21Y 2115/00
Light-generating elements of semiconductor light sources [2021-08]
F21Y 2115/10
.
Light-emitting diodes [LED] [2021-08]
F21Y 2115/15
. .
Organic light-emitting diodes [OLED] [2021-08]
F21Y 2115/20
.
Electroluminescent [EL] light sources [2021-08]
F21Y 2115/30
.
Semiconductor lasers [2016-08]