G02F2413/00 - CPC Classification

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

• G02F2413/01 » Number of plates being 1 226
• G02F2413/02 » Number of plates being 2 388
• G02F2413/03 » Number of plates being 3 101
• G02F2413/04 » Number of plates greater than or equal to 4 169
• G02F2413/05 » Single plate on one side of the LC cell 144
• G02F2413/06 » Two plates on one side of the LC cell 118
• G02F2413/07 » All plates on one side of the LC cell 117
• G02F2413/08 » with a particular optical axis orientation 222
• G02F2413/09 » with a spatial distribution of the retardation value 17
• G02F2413/10 » with refractive index ellipsoid inclined, or tilted, relative to the LC-layer surface O plate 69
• G02F2413/11 » The refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx an Ny , e.g. C plate 69
• G02F2413/12 » Biaxial compensators 155
• G02F2413/13 » Positive birefingence 135
• G02F2413/14 » Negative birefingence 93
• G02F2413/15 » with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers 19

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