Title:
HEAD-UP DISPLAY DEVICE AND IMAGE DISPLAY DEVICE OF THE SAME
Document Type and Number:
Japanese Patent JP2018025600
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a head-up display (HUD) system and a light source device for the HUD which are small in size and can be manufactured at a low cost.SOLUTION: The head-up display device includes: an image display device generating image light to be projected; an optical system performing predetermined correction on the image light from the image display device; and a concave mirror reflecting the image light corrected by the optical system to project onto a windshield or a combiner. The image display device comprises a display device and an illumination optical system composed of a solid light source, a collimating optical system converting the light from the solid light source into substantially parallel beams, and an optical member deflecting the direction of beams produced by the collimating optical system and simultaneously broadening the beam width, and the image display device is configured to oppose to the concave mirror, on the optical axis of the concave mirror, interposing the above optical system.SELECTED DRAWING: Figure 2
More Like This:
| WO/2021/154007 | HEAD-MOUNTED DISPLAY APPARATUS |
| JP6478151 | Image display device and object device |
| JP2007524855 | Multiple imaging configurations for head-mounted displays |
Inventors:
SUGIYAMA TOSHINORI
HIRATA KOJI
KUNII YASUHIKO
TANITSU MASAHIKO
HIRATA KOJI
KUNII YASUHIKO
TANITSU MASAHIKO
Application Number:
JP2016155563A
Publication Date:
February 15, 2018
Filing Date:
August 08, 2016
Export Citation:
Assignee:
MAXELL HOLDINGS LTD
International Classes:
G02B27/01; B60K35/00; B60R11/02; G02B17/08; G02B19/00
Domestic Patent References:
| JP2016095436A | 2016-05-26 | |||
| JP2014191321A | 2014-10-06 | |||
| JP2015118272A | 2015-06-25 | |||
| JP2015502565A | 2015-01-22 | |||
| JP2006285043A | 2006-10-19 | |||
| JP2005032579A | 2005-02-03 | |||
| JP2003066369A | 2003-03-05 | |||
| JP2011150264A | 2011-08-04 | |||
| JP2007065408A | 2007-03-15 | |||
| JP2001067919A | 2001-03-16 | |||
| JP2015230329A | 2015-12-21 | |||
| JP2012118456A | 2012-06-21 | |||
| JP2006267715A | 2006-10-05 |
Foreign References:
| US7095562B1 | 2006-08-22 |
Attorney, Agent or Firm:
Tsutsui International Patent Office