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IPC Subgroup
G02F 1/1333

Constructional arrangements

Introduced: January 1990

Last revised: January 2006

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 > based on liquid crystals, e.g. single liquid crystal display cells > Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements > Constructional arrangements

Classification Context

Section:
PHYSICS
Class:
OPTICS
Subclass:
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

8 direct subcodes

Child Classifications

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  • G02F 1/1334 based on polymer-dispersed liquid crystals, e.g. microencapsulated liquid crystals
  • G02F 1/1337 Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
  • G02F 1/1339 Gaskets; Spacers; Sealing of cells
  • G02F 1/1341 Filling or closing of cells
  • G02F 1/1343 Electrodes
  • G02F 1/1345 Conductors connecting electrodes to cell terminals
  • 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