Title:
LASER LIGHT SOURCE CONTROLLER, HEADUP DISPLAY DEVICE, METHOD, AND COMPUTER PROGRAM
Document Type and Number:
Japanese Patent JP2021056357
Kind Code:
A
Abstract:
To improve the quality of display of a virtual image.SOLUTION: The present invention relates to a headup display device 20 for projecting display light to a hologram and for allowing a viewer to visually recognize a virtual image. A laser light source controller 30 acquires the wavelength of a laser beam emitted from a light source 50 or acquires information that allows estimation of the wavelength, provides an adjustment value for correcting the intensity of the laser beam emitted from the light source 50 for each display region of a display image based on image data, and controls the distribution of the adjustment value in the display region on the basis of the wavelength of the laser beam.SELECTED DRAWING: Figure 1
Inventors:
ITAGAKI JUMPEI
Application Number:
JP2019178775A
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
NIPPON SEIKI CO LTD
International Classes:
G09G5/00; B60K35/00; G02B27/01; G09G3/02; G09G3/20; G09G5/10
Domestic Patent References:
| JP2017135605A | 2017-08-03 | |||
| JP2018005162A | 2018-01-11 | |||
| JP2011090076A | 2011-05-06 |
Foreign References:
| WO2013057799A1 | 2013-04-25 | |||
| US20190121133A1 | 2019-04-25 |