Display device projecting an aerial image

According to one embodiment, a display device includes a display which emits display light, a retroreflective element which retroreflects incident light, an optical element including a lower surface opposing the display and the retroreflective element and an upper surface on an opposite side to the...

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Bibliographische Detailangaben
Hauptverfasser:	Hayashi, Shuji, Takizawa, Keiji
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DEAF-AID SETS 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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY FREQUENCY-CHANGING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PUBLIC ADDRESS SYSTEMS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	According to one embodiment, a display device includes a display which emits display light, a retroreflective element which retroreflects incident light, an optical element including a lower surface opposing the display and the retroreflective element and an upper surface on an opposite side to the lower surface, which reflects part of the display light toward the retroreflective element and transmits reflection light retroreflected by the retroreflective element and a first blower mechanism which blows air to a side of the upper surface.