The embodiment of the invention provides a projection device, display equipment, a vehicle and a projection method, which can be mainly applied to a virtual image display scene. The projection device comprises an image source, a curved surface reflection unit and an optical element. The image source is used for outputting imaging light. The curved surface reflection unit is used for reflecting imaging light from the image source to the optical element. The optical element is used for reflecting the imaging light from the curved surface reflection unit to the curved surface reflection unit. And the curved surface reflection unit is also used for reflecting the imaging light from the optical element to the optical element. And the optical element is also used for transmitting the imaging light from the curved surface reflection unit. The light reflection direction of the imaging light from the image source at a first reflection position on the curved surface reflection unit deflects towards a first direction relative to the normal of the first reflection position, and the light reflection direction of the imaging light from the optical element at a second reflection position on the curved surface reflection unit deflects towards a second direction relative to the normal of the second reflection position. The first direction is opposite to the second direction.
本申请实施例提供了一种投影装置、显示设备、交通工具和投影方法,可以主要应用于虚像显示场景。投影装置包括:图像源、曲面反射单元和光学元件。图像源用于输出成像光。曲面反射单元用于将来自图像源的成像光反射至光学元件。光学元件用于将来自曲面反射单元的成像光反射至曲面反射单元。曲面反射单元还用于将来自光学元件的成像光反射至光学元件。光学元件还用于透射来自曲面反射单元的成像光。其中,来自图像源的成像光在曲面反射单元上第一反射位置的光反射方向相对于第一反射位置的法线向第一方向偏转,来自光学元件的成像光在曲面反射单元上第二反射位置的光反射方向相对于第二反射位置的法线向第二方向偏转,第一方向与第二方向相反。
Projection device, display equipment, vehicle and projection method
一种投影装置、显示设备、交通工具和投影方法
2024-03-01
Patent
Elektronische Ressource
Chinesisch
IPC: | G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |
Projection lens, projection device, display device and vehicle
Europäisches Patentamt | 2023
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