CPC Subgroup
G02F 1/01 for the control of the intensity, phase, polarisation or colour (G02F1/29, G02F1/35 take precedence)
Full Title
Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics > for the control of the intensity, phase, polarisation or colour (G02F1/29, G02F1/35 take precedence)
21 direct subcodes
Child Classifications
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- G02F 1/015 based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction (G02F1/03 takes precedence)
- G02F 1/03 based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect (G02F1/061 takes precedence)
- G02F 1/061 based on electro-optical organic material (G02F1/07, take precedence)
- G02F 1/07 based on electro-optical liquids exhibiting Kerr effect
- G02F 1/09 based on magneto-optical elements, e.g. exhibiting Faraday effect
- G02F 1/11 based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves (acousto-optical deflection G02F1/33)
- G02F 1/13 based on liquid crystals, e.g. single liquid crystal display cells
- G02F 1/15 based on an electrochromic effect
- G02F 1/165 based on translational movement of particles in a fluid under the influence of an applied field
- G02F 1/169 based on orientable non-spherical particles having a common optical characteristic, e.g. suspended particles of reflective metal flakes
- G02F 1/17 based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
- G02F 1/19 based on variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
- G02F 1/21 by interference