OPTICAL STRUCTURE COMPRISING A CONCAVE-AND-CONVEX-SHAPED INTERFACE HAVING A FLAT PORTION BETWEEN A HIGH REFRACTIVE-INDEX LAYER AND A LOW REFRACTIVE-INDEX LAYER AND DISPLAY DEVICE

An optical structure includes a high refractive-index layer and a low refractive-index layer laminated on the high refractive-index layer and having a refractive index lower than that of the high refractive-index layer, and is disposed on a display surface of a display device. An interface between t...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE, Tatsuaki, UEBA, Yosuke
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	An optical structure includes a high refractive-index layer and a low refractive-index layer laminated on the high refractive-index layer and having a refractive index lower than that of the high refractive-index layer, and is disposed on a display surface of a display device. An interface between the layers has a concave-and-convex shape, and each of a concavity and a convexity in the shape has a flat portion extending in a surface direction of the layers. A side surface of the concave-and-convex shape, which extends between the flat portions of the concavity and convexity, is a curved surface or a folded surface that is convex to the low refractive-index layer. A difference between a maximum angle and a minimum angle, which are defined between the side surface of the concave-and-convex shape and a normal direction of the layers, is not less than 3 degrees and not more than 60 degrees.