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Laser & Optoelectronics Progress, Volume. 55, Issue 11, 112201(2018)

Optical Design of Ensemble Head-Up Display System Based on Mini-Projector

Rui Wang1、*, Lun Jiang2、*, and Zhihua Song1
Author Affiliations
  • 1 College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2 Key Laboratory of Fundamental Science for National Defense of Aero and Ground Laser Communication Technology, Changchun University of Science and Technology, Changchun, Jilin 130022, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
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    References (13)
    Cited By (6)
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    Figures & Tables(15)
    Reflective optical system

    Fig. 1. Reflective optical system

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    Overall structure diagram

    Fig. 2. Overall structure diagram

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    Diagram of horizontal FOV size

    Fig. 3. Diagram of horizontal FOV size

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    Diagram of eyebox size

    Fig. 4. Diagram of eyebox size

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    Component location diagram

    Fig. 5. Component location diagram

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    Optical path of reflection system

    Fig. 6. Optical path of reflection system

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    3D image of reflection system

    Fig. 7. 3D image of reflection system

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    Reflection path diagram of windshield

    Fig. 8. Reflection path diagram of windshield

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    Optical transfer functions when human eyes are at different positions in the eyebox. (a) Upper limb; (b) middle; (c) lower limb

    Fig. 9. Optical transfer functions when human eyes are at different positions in the eyebox. (a) Upper limb; (b) middle; (c) lower limb

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    Optical path of projection lens

    Fig. 10. Optical path of projection lens

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    Optical transfer functions of projection lens

    Fig. 11. Optical transfer functions of projection lens

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    RMS of projection lens

    Fig. 12. RMS of projection lens

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    • Table 1. Optical design parameters

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      Table 1. Optical design parameters

      System parameterValue
      Display band486-656 nm
      Highest brightness1500 nits
      Light intensity contrast1.2 at 50% brightness
      ResolutionHD (1280 pixel&#x000D7;<break/>720 pixel)
      Distance from projection to<break/>diffuser screen (PD)123 mm
      Distance between diffuser<break/>screen and mirror (DM)50 mm
      Distance between mirror<break/>and combiner (MC)150 mm
      Virtual image distance (VID)2500 mm
      Eyebox size140 mm&#x000D7;60 mm
      Distance between combiner<break/>and eyebox (CE)750 mm
      Field of view12&#x000b0;&#x000D7;6.75&#x000b0;

    • Table 2. Optical system parameters

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      Table 2. Optical system parameters

      ParameterValue
      Wavelength range486-656 nm
      Image resolution1280 pixel&#x000D7;720 pixel
      Virtual image distance2500 mm
      Eyebox140 mm&#x000D7;60 mm
      Distance from eye to image750 mm
      Field of view12&#x000b0;&#x000D7;6.75&#x000b0;

    • Table 3. Optical design parameters

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      Table 3. Optical design parameters

      ParameterValue
      Spectrum range486-656 nm
      Focus10 mm
      Field of view38.12&#x000b0;&#x000D7;22.01&#x000b0;
      Image size6.91 mm&#x000D7;3.89 mm (7.93 mm)
      <italic>F</italic> number4
      Length-width ratio16:9
      DMD0.3 inch (1 inch=2.54 cm)
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    Rui Wang, Lun Jiang, Zhihua Song. Optical Design of Ensemble Head-Up Display System Based on Mini-Projector[J]. Laser & Optoelectronics Progress, 2018, 55(11): 112201

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Apr. 17, 2018

    Accepted: May. 28, 2018

    Published Online: Aug. 14, 2019

    The Author Email: Rui Wang (568688731@qq.com), Lun Jiang (jlciomp@163.com)

    DOI:10.3788/LOP55.112201

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology