Title:
HEAD-UP DISPLAY
Document Type and Number:
WIPO Patent Application WO/2021/125331
Kind Code:
A1
Abstract:
The present invention generates display images in a suitable form in a configuration in which the visible display image is changed by simply changing the viewpoint in the horizontal direction. Disclosed is a head-up display wherein: an emission means successively emits first laser light corresponding to a first image for a first viewpoint and second laser light corresponding to a second image for a second viewpoint horizontally distanced from the first viewpoint; a scanning means scans the first laser light in a first scanning pattern and scans the second laser light in a second scanning pattern over a scanning surface such that, when viewed from the first viewpoint, a display image for the first image becomes visible and, when viewed from the second viewpoint, a display image for the second image becomes visible; the first scanning pattern includes a first linear pattern in which the first laser light is successively incident to each of one or more columns of optical elements aligned linearly in a first direction; and the second scanning pattern includes a second linear pattern that is offset by a prescribed offset amount in a second direction with respect to the first linear pattern.
Inventors:
NOMOTO TAKAYUKI
Application Number:
PCT/JP2020/047468
Publication Date:
June 24, 2021
Filing Date:
December 18, 2020
Export Citation:
Assignee:
NIPPON SEIKI CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; G02B17/06; G02B26/10
Domestic Patent References:
| WO2018180244A1 | 2018-10-04 | |||
| WO2016072372A1 | 2016-05-12 |
Foreign References:
| JP2015225216A | 2015-12-14 | |||
| JP2019128389A | 2019-08-01 | |||
| JP2017097268A | 2017-06-01 | |||
| US20090161191A1 | 2009-06-25 |
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