&lt;title&gt;Development of an advanced multifunction head-up display using digital micromirror device and laser technologies&lt;/title&gt;

Billings, Michael; Tisdale, Glenn E.

doi:10.1117/12.439117

Cited by 1 publication

(2 citation statements)

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“…An advanced HUD requires higher brightness, resolution, and diffraction efficiency, as well as a larger FOV and better stability. Industry standards require that the HUD's contrast ratio shall be greater than 1.2, which obeys the following equation [8,12]:…”

Section: Hhud Performance Requirementsmentioning

confidence: 99%

“…While the cathode ray tube (CRT) performs well in traditional HUD systems, its limitations in size, weight, resolution, luminance, and reliability are fatal [7]. With the development of digital technology, several digital image sources, such as liquid-crystal displays (LCDs), liquid crystal on silicon, and digital micromirror devices, have replaced CRTs [8][9][10][11][12]. The holographic technology used in HUDs would effectively increase diffraction efficiency because of its wavelength and angle selectivity.…”

Section: Introductionmentioning

confidence: 99%

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Design and fabrication of a holographic head-up display with asymmetric field of view

et al. 2014

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It is difficult to design and fabricate a head-up display (HUD) with a large asymmetric field of view (FOV) while maintaining a good image quality. In this paper, we design and develop such a holographic HUD system. To improve luminance and enhance the environmental adaptability of the HUD, we use a liquid crystal display with high brightness as well as a holographic reflection element. The vertical FOV is tilted to an angle of -7°, which is consistent with the actual view of the pilot. The decentration and tilt of the optical relay system effectively compensate for the distortion and off-axis aberration due to the asymmetric FOV and tilted, curved combiner. The transition plates used in the mechanical structure significantly decrease the difficulty in fabrication and alignment, and virtual prototyping greatly reduces the risk and shortens the development cycle. Experimental results demonstrate that this prototype achieves a total FOV of 30° (horizontal) ×24° (vertical), a resolution of 1280×1024, and a 5% distortion.

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Section: Hhud Performance Requirementsmentioning

confidence: 99%