Title:
HEAD-UP DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/124331
Kind Code:
A1
Abstract:
A head-up display device is provided with which it is possible to suppress distortion of a mirror surface. The head-up display device comprises a mirror unit that reflects display light from a display unit onto a front glass, which is one example of a projection mirror. The mirror unit comprises: a concave mirror; a concave mirror holder 35; a mirror drive unit 40; a torsion spring 45; and positioning recessed sections 36a-36c and adhesive surface sections 37a-37h that are one example of a contact section that contacts the recessed mirror provided in the recessed mirror holder 35. The positioning recessed sections 36a-36c and adhesive surface sections 37a-37h are provided in regions excepting a displacement occurrence region 35a in which there is a possibility of displacement of the recessed mirror holder 35 due to a biasing part 45b of the torsion spring 45 biasing the recessed mirror holder 35.
Inventors:
SATO GENICHIRO
YAMAYA SHUICHI
YAMAYA SHUICHI
Application Number:
PCT/JP2018/046438
Publication Date:
June 27, 2019
Filing Date:
December 18, 2018
Export Citation:
Assignee:
NIPPON SEIKI CO LTD (JP)
International Classes:
G02B27/01; B60K35/00
Foreign References:
| JP2016218163A | 2016-12-22 | |||
| JP2013106017A | 2013-05-30 | |||
| JP2010230976A | 2010-10-14 |
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