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Patent Searching and Data


Title:
HEADUP DISPLAY
Document Type and Number:
WIPO Patent Application WO/2019/093085
Kind Code:
A1
Abstract:
Disclosed is a headup display device, which projects an image on a windshield (22), and forms a virtual image that can be viewed by an observer. The headup display device is provided with: a display element (13) that displays an image; and a projection optical system, which guides, to the windshield (22), the image displayed by the display element, and which forms the virtual image. The projection optical system has at least two mirrors each having a concave reflecting surface, and the curvature radius Rx of the windshield (22), said curvature radius being in the horizontal direction of the windshield, satisfies formula of 0.05

Inventors:
MIYAMOTO, Tomoaki
Application Number:
JP2018/038602
Publication Date:
May 16, 2019
Filing Date:
October 17, 2018
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
G02B27/01; B60K35/00; G02B17/06
Domestic Patent References:
WO2017183556A12017-10-26
WO2016017566A12016-02-04
Foreign References:
JP2004226469A2004-08-12
JP2017049371A2017-03-09
US20140247433A12014-09-04
JPH03209210A1991-09-12
JP2018162044A2018-10-18
Attorney, Agent or Firm:
NII, Hiromori et al. (6F Tanaka Ito Pia Shin-Osaka Bldg., 3-10, Nishi Nakajima 5-chome, Yodogawa-ku, Osaka-cit, Osaka 11, 〒5320011, JP)
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