Title:
IMAGE PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/019231
Kind Code:
A1
Abstract:
Provided is a vehicle lamp with which it is possible to: suppress any variation in illuminance (brightness) among images when a plurality of images are depicted; coordinate the timing of the depicting with other vehicle lamps; and depict the images in a balanced form. The present invention comprises a plurality of light sources (2), and lenses (4) facing each of the plurality of light sources 2 and having a plurality of differing diameters. The present invention is configured so an image (G) is projected in a position that will be further away from an image projection device (1) as the radius (r) of the lens (4) increases. Furthermore, a control system (11) is provided, said control system (11) causing the light sources (2) to act in coordination with the illuminating and extinguishing of the other vehicle lamps (52). Furthermore, plate-shaped shades (3) are provided between the light sources (2) and the lenses (4).
Inventors:
WATANABE KEN (JP)
KANEKO SUSUMU (JP)
KANEKO SUSUMU (JP)
Application Number:
PCT/JP2021/026800
Publication Date:
January 27, 2022
Filing Date:
July 16, 2021
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
B60Q1/22; B60Q1/34; B60Q1/50; F21S43/14; F21S43/15; F21S43/20; F21S43/27; F21S43/50; F21V5/00; F21V11/12; F21V13/02; F21W103/20; F21W103/45; F21W103/60; F21W105/00; F21Y115/10
Domestic Patent References:
| WO2017164328A1 | 2017-09-28 | |||
| WO2018138842A1 | 2018-08-02 | |||
| WO2018066507A1 | 2018-04-12 |
Foreign References:
| JP2020017488A | 2020-01-30 | |||
| JP2019125520A | 2019-07-25 | |||
| JP2004095479A | 2004-03-25 | |||
| JP2004095481A | 2004-03-25 | |||
| JP2018149820A | 2018-09-27 |
Attorney, Agent or Firm:
MIZUNO Yukei et al. (JP)
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