• All sections
• G - Physics
• G02F - Optical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein; non-linear optics; frequency-changing of light; optical logic elements; optical analogue/digital converters
• G02F 1/1347 - Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells

Patent holdings for IPC class G02F 1/1347

Total number of patents in this class: 1686

10-year publication summary

Principal owners for this class