LIGHT-EMITTING DEVICE

A light-emitting device includes a transparent light guide plate and a light source that irradiates light onto the light guide plate, in which a plurality of dot-shaped light-emitting concave portions having light output surfaces that output incident light derived from the light source from light-em...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAMIKATANO MITSURU, SUZUKI REN, SASAKI HIDEKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING BLASTING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING HEATING LABELS OR NAME-PLATES LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	A light-emitting device includes a transparent light guide plate and a light source that irradiates light onto the light guide plate, in which a plurality of dot-shaped light-emitting concave portions having light output surfaces that output incident light derived from the light source from light-emitting surfaces are formed on the light guide plate, and a diffraction grating, which is an assembly of grooves paralleled at a constant pitch, is formed on each of the light output surfaces of the dot-shaped light-emitting concave portions.