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IPC Main Group
G02F 1/00

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

Introduced: September 1968

Last revised: January 2006

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

Scope Notes

Application references: Indicating arrangements in which characters are formed on a support by combining individual liquid crystal elements Control of light sources , ,

Related Keywords

MODULATION of light

3 direct subcodes

Child Classifications

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