TREA

Electric lamps using semiconductor devices as light generating elements

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Industry

  • CPC
  • F21K9/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21KLIGHT SOURCES NOT OTHERWISE PROVIDED FOR

Current Industry

F21K9/00Electric lamps using semiconductor devices as light generating elements

Sub Industries

F21K9/10specially adapted for retrofitting or substituting conventional lamps F21K9/13with only one fitting F21K9/135specially adapted for generating an omni-directional light distribution F21K9/1355Details of the base; Arrangements of components inside the base F21K9/137specially adapted for generating a spot light distribution F21K9/1375Details of the base; Arrangements of components in the base F21K9/17with two fittings F21K9/175Details of the base; Arrangements of components in the base F21K9/30LED lamps or modules comprising attachment means not covered by groups F21K9/10 to F21K9/175 F21K9/50Optical arrangements F21K9/52using a light guide F21K9/54using a mixing chamber F21K9/56using wavelength conversion means distinct or spaced from the light generating element F21K9/58specially adapted for changing the characteristics or the distribution of the light F21K9/90Manufacturing methods
Industries

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Patents Applicationslast 30 patents