Title:
SCREEN AND HEAD-UP DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/146206
Kind Code:
A1
Abstract:
The present invention provides a screen capable of suppressing the generation of double images even in the lateral direction and improving the image quality as a whole, and a head-up display device incorporating the same. A combiner (20) of a head-up display device according to the present invention serves as a screen and is provided with a main body layer (20a) sandwiched between a concave first optical surface (21) on an observation side and a convex second optical surface (22) on a reverse observation side. The thickness of the main body layer (20a) becomes thinner from the center to the periphery with respect to the lateral direction (D2), and the variation in the thickness of the main body layer (20a) with respect to the vertical direction (D1) is different between the central portion and the peripheral portion with respect to the lateral direction (D2).
Inventors:
NOMURA EIJI (JP)
Application Number:
PCT/JP2017/007086
Publication Date:
August 31, 2017
Filing Date:
February 24, 2017
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B27/01; B60K35/00; H04N5/74
Domestic Patent References:
| WO2012036099A1 | 2012-03-22 | |||
| WO2017038043A1 | 2017-03-09 |
Foreign References:
| JP3188616U | ||||
| JP2011207645A | 2011-10-20 | |||
| US20150131158A1 | 2015-05-14 |
Other References:
See also references of EP 3422080A4
Attorney, Agent or Firm:
FUKUDA, Mitsuhiro (JP)
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