WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F21K　LIGHT SOURCES NOT OTHERWISE PROVIDED FOR

F21K 2/00 Light sources using luminescence (using excitation by another light source F21V 9/16; lamps, other than those in which all the electrodes are within the vessel, in which a screen or coating is excited to luminesce by radioactive material located inside the vessel H01J 65/08; using electroluminescence H05B 33/00)

F21K 2/005 ・{excited by infra-red radiation using up-conversion (frequency changing of light G02F 2/02)}

F21K 2/04 ・using triboluminescence; using thermoluminescence

F21K 2/06 ・using chemiluminescence

F21K 2/08 ・・activated by an electric field i.e. electrochemiluminescence

F21K 5/00 Light sources using a charge of combustible material, e.g. illuminating flash devices (explosive or thermic compositions C06B; fireworks F42B 4/00; photographic flash units G03B 15/03)

F21K 5/02 ・ignited in a non-disrupting container, e.g. photo-flash bulb

F21K 5/023 ・・{Ignition devices in photo flash bulbs (ignition devices being part of a shutter mechanism included in a camera G03B 9/70; ignition devices not being part of a shutter mechanism included in a camera G03B 15/04; ignition circuits for combustion lamps H05B 43/02)}

F21K 5/026 ・・・{using mechanical firing e.g. percussion of a fulminating charge (if included in a camera G03B 15/0489)}

F21K 9/00 {Electric lamps using semiconductor devices as light generating elements, e.g. using light emitting diodes [LED} or lasers (light emitting diodes per se H01L 33/00, H01L 51/50; semiconductor lasers per se H01S 5/00; electric lamps using a combination of different types of light generation H05B 35/00)]

F21K 9/10 ・{specially adapted for retrofitting or substituting conventional lamps, e.g. for substitution of incandescent lamps or fluorescent tubes}

F21K 9/13 ・・{with only one fitting, e.g. a bayonet or screw based fitting}

F21K 9/135 ・・・{specially adapted for generating an omni-directional light distribution, e.g. with a glass bulb}

F21K 9/1355 ・・・・{Details of the base; Arrangements of components inside the base}

F21K 9/137 ・・・{specially adapted for generating a spot light distribution, e.g. to substitute reflector lamps}

F21K 9/1375 ・・・・{Details of the base; Arrangements of components in the base}

F21K 9/17 ・・{with two fittings, e.g. for substituting a fluorescent tube}

F21K 9/175 ・・・{Details of the base; Arrangements of components in the base}

F21K 9/30 ・{LED lamps or modules comprising attachment means not covered by groups F21K 9/10 to F21K 9/175}

F21K 9/50 ・{Optical arrangements, i.e. for improving the color rendering index or the light extraction}

F21K 9/52 ・・{using a light guide}

F21K 9/54 ・・{using a mixing chamber, e.g. a housing with reflective walls}

F21K 9/56 ・・{using wavelength conversion means distinct or spaced from the light generating element, e.g. a remote phosphor layer}

F21K 9/58 ・・{specially adapted for changing the characteristics or the distribution of the light, e.g. by movement of parts}

F21K 9/90 ・{Manufacturing methods}

F21K 99/00 Subject matter not provided for in other groups of this subclass

F21K 2099/00 Subject matter not provided for in other groups of this subclass

F21K 2099/005 ・Other light sources comprising light emitting diodes associated with conversion means