OPTICAL ELEMENT AND GLASSES

This optical element has a first liquid crystal element LF1 and a second liquid crystal element LF3 that are each able to generate a refractive index distribution of a Fresnel cylindrical lens. The first liquid crystal element LF1 generates a linear focus axis in a first direction, and the second li...

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Bibliographische Detailangaben
Hauptverfasser:	INA, Hirohiko, LEE, Sunri, SHIBUYA, Giichi, YOSHII, Hiroto
Format:	Patent
Sprache:	eng
Schlagworte:	CONTACT LENSES DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	This optical element has a first liquid crystal element LF1 and a second liquid crystal element LF3 that are each able to generate a refractive index distribution of a Fresnel cylindrical lens. The first liquid crystal element LF1 generates a linear focus axis in a first direction, and the second liquid crystal element LF3 generates a linear focus axis in a second direction. The first liquid crystal element LF1 and the second liquid crystal element LF3 are disposed so as to overlap each other such that the first direction and the second direction form an angle so as not to form a substantially perpendicular angle therebetween.