To provide a virtual image display device capable of displaying a virtual image at a plurality of projection distances substantially at the same time.SOLUTION: A virtual image display device 20 comprises a display element 21, a virtual image formation optical system 22 including a plurality of lenses, for enlarging an image formed in the display element 21 and converting the same into a virtual image to project the virtual image, a movement mechanism 30 changing projection distance to a virtual image f by changing a position in an optical axis direction of at least one lens 621 of the virtual image formation optical system 22, and a display control unit 50 controlling timing of displaying an image in the display element 21 according to a position of the lens 621 changed by the movement mechanism 30.SELECTED DRAWING: Figure 4

    【課題】複数の投影距離に虚像を実質的に同時に表示させることができる虚像表示装置を提供する。【解決手段】表示素子21と、複数のレンズを含み、表示素子21に形成された像を拡大し、虚像に変換して投影する虚像形成光学系22と、虚像形成光学系22の少なくとも1つのレンズ621の光軸方向の位置を変更することで、虚像fまでの投影距離を変更する移動機構30と、移動機構30により変更されたレンズ621の位置に応じて、表示素子21に像を表示するタイミングを制御する表示制御部50と、を備える、虚像表示装置20。【選択図】図4


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    Title :

    VIRTUAL IMAGE DISPLAY DEVICE AND HEAD-UP DISPLAY DEVICE


    Additional title:

    虚像表示装置、およびヘッドアップディスプレイ装置


    Contributors:

    Publication date :

    2019-10-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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