Patent · US Active

Apparatus for providing heads-up display image

US10901207B2 · kind B2 · utility

1Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 2018
Grant dateJan 26, 2021
Priority date—
Expiry dateDec 24, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B2027/0194
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Provided is an apparatus for providing a heads-up display (HUD) image. The apparatus includes a display configured to emit light with a first polarization, the light including HUD image information, a first wave plate configured to transmit light with a second polarization by shifting a phase of the light with the first polarization by 90 degrees, and a second wave plate configured to transmit light with a third polarization by shifting a phase of a portion of the light with the second polarization by 90 degrees and to reflect another portion of the light with the second polarization toward a user. The light with the third polarization may be transmitted through a windshield.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.