Patents 46show all

  • 33
    G02F - Devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating or demodulating
  • 28
    G02B - Optical elements, systems, or apparatus
  • 13
    G09G - Arrangements or circuits for control of indicating devices using static means to present variable information
  • 2
    B29C - Shaping or joining of plastics
  • 2
    B29K - Indexing scheme associated with subclasses , or , relating to moulding materials
  • 1
    B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
  • 1
    G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices
  • 1
    G09F - Displaying

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