Optical wave guide and an optical input device, fabrication methods thereof, and a liquid crystal display apparatus using the optical wave guide and the optical input device

An optical wave guide, an optical input device, fabrication methods thereof, and a liquid crystal display apparatus using the optical wave guide and optical input device are disclosed. The optical wave guide includes: a core region having a refractive index nc through which an optical signal is tran...

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Bibliographische Detailangaben
Hauptverfasser:	NONOMURA, KEISAKU, SHIGETA, MITSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An optical wave guide, an optical input device, fabrication methods thereof, and a liquid crystal display apparatus using the optical wave guide and optical input device are disclosed. The optical wave guide includes: a core region having a refractive index nc through which an optical signal is transmitted; and a cladding layer in which low refractive index layers having a refractive index n1 and high refractive index layers having a refractive index nh are alternately deposited. A side face of the core region is covered with the cladding layer, and the refractive indices satisfy conditions of n1