Title:
HEAD-UP DISPLAY APPARATUS
Document Type and Number:
Japanese Patent JP2020042135
Kind Code:
A
Abstract:
To provide a head-up display apparatus that can extend the FOV of a virtual image while preventing an increase in size of a drawing device.SOLUTION: A head-up display apparatus 100 comprises a drawing device 11a; and a display screen 21 that reflects light from the drawing device 11a. When the focal distance in the transverse direction of the display screen 21 is fx, and the focal distance in the vertical direction of the display screen 21 is fy, the conditional expression (1) 0.5
Inventors:
NOMURA EIJI
Application Number:
JP2018168816A
Publication Date:
March 19, 2020
Filing Date:
September 10, 2018
Export Citation:
Assignee:
KONICA MINOLTA INC
International Classes:
G02B27/01; B60K35/00; G02B3/08; G02B5/08; G02B5/10
Domestic Patent References:
| JP2000249965A | 2000-09-14 | |||
| JPH11119147A | 1999-04-30 |
Foreign References:
| WO2014041689A1 | 2014-03-20 | |||
| WO2014013702A1 | 2014-01-23 | |||
| WO2014155590A1 | 2014-10-02 | |||
| US20070285810A1 | 2007-12-13 | |||
| US5706107A | 1998-01-06 | |||
| US20160209647A1 | 2016-07-21 |
Attorney, Agent or Firm:
Mitsuhiro Fukuda