Patent · US Active

Head-up display

US10948776B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

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Key dates

Filing dateMar 30, 2020
Grant dateMar 16, 2021
Priority date
Expiry dateMar 30, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/023
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A head-up display including a display element illuminated by a plurality of light emitting elements. A lenslet is between a TIR lens array and the display element. The lenslet includes a first side facing the display element and a second side facing the TIR lens array. At least one of the first side and the second side includes a plurality of horizontal lenses or a plurality of vertical lenses configured to evenly distribute light from the TIR lens array across an eyebox generated by the head-up display and balance luminous uniformity and luminous intensity across the eyebox.

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