Title:
ヘッドアップディスプレイ装置
Document Type and Number:
Japanese Patent JP7287277
Kind Code:
B2
Abstract:
The present invention provides a head-up display device capable of mitigating the yellow ring phenomenon. The head-up display device comprises: a white light source 19; a first lens 21 through which light Lw from the white light source 19 is transmitted; and antireflection films 28a, 28b that are provided on the first lens 21 as a dielectric multilayer film that increases the reflectance of a red wavelength component Lr and a green wavelength component Lg included in the light Lw relative to the reflectance of a blue wavelength component Lb included in the light Lw with an increase in the incident angle α of the light Lw incident on the first lens 21.
Inventors:
Yuki Haruyama
Chiaki Shibuya
Chiaki Shibuya
Application Number:
JP2019551224A
Publication Date:
June 06, 2023
Filing Date:
October 25, 2018
Export Citation:
Assignee:
Nippon Seiki Co., Ltd.
International Classes:
G02B27/01; G02B3/00
Domestic Patent References:
| JP9146039A | ||||
| JP2014048392A |
Foreign References:
| WO2016194305A1 |