Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates

Child Classifications

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• G02F 2413/01 Number of plates being 1
• G02F 2413/02 Number of plates being 2
• G02F 2413/03 Number of plates being 3
• G02F 2413/04 Number of plates greater than or equal to 4
• G02F 2413/05 Single plate on one side of the LC cell
• G02F 2413/06 Two plates on one side of the LC cell
• G02F 2413/07 All plates on one side of the LC cell
• G02F 2413/08 with a particular optical axis orientation
• G02F 2413/10 with refractive index ellipsoid inclined, or tilted, relative to the LC-layer surface O plate
• G02F 2413/12 Biaxial compensators
• G02F 2413/13 Positive birefingence
• G02F 2413/14 Negative birefingence
• G02F 2413/15 with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers