Projection equipment

CN114167673BActive Publication Date: 2025-04-18QINGDAO HISENSE LASER DISPLAY CO LTD +1
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Patent Information

Application Number
CN202010942792.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-09-09
Publication Date
2025-04-18
Estimated Expiration
2040-09-09

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Abstract

The embodiment of the present application discloses a projection device, which belongs to the field of projection technology. The projection device includes: an optical engine, a projection screen, the projection screen includes a base, a curling assembly, a lifting assembly, a screen piece, a driving motor, an adjustment assembly and a fixed rod, and the lifting assembly includes a lifting frame and a beam; the first end of the lifting frame is rotatably connected to the base, and the second end of the lifting frame is rotatably connected to the beam; the driving motor and the adjustment assembly are fixed on the beam, the driving motor and the adjustment assembly are connected, and the fixed rod is connected to the adjustment assembly, and the driving motor can adjust the position of the fixed rod in the width direction of the beam through the adjustment assembly; the second side of the screen piece is fixedly connected to the fixed rod. In the embodiment of the present application, when the screen piece is tilted, the position of the fixed rod in the width direction of the beam can be adjusted based on the driving motor to achieve the adjustment of the inclination angle of the screen piece, thereby avoiding the distortion, blurring and distortion of the picture displayed on the screen piece.
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Citation Information

Patent Citations

  • Display unit comprising a projection screen for a head-up display

    CN103201669A

  • Curtain lifting mechanism and projection equipment

    CN110647003A