Title:
IMAGE GENERATING DEVICE AND HEAD-UP DISPLAY
Document Type and Number:
WIPO Patent Application WO/2021/220722
Kind Code:
A1
Abstract:
A lens (120) has an incidence part (127A), an emission surface (123A), and a standing wall surface (124A). The incidence part (127A) has an incidence surface (122A) and a flange part (126A) provided continuously with the incidence surface (122A). The standing wall surface (124A) connects the incidence part (127A) and the emission surface (123A). The standing wall surface (124A) is shaped to widen outwardly from the center of the lens (120) in a direction from the emission surface (123A) toward the incidence part (127A). A light blocking part (165) for blocking light internally reflected by the standing wall surface (124A) is provided on at least part of the periphery of a display device (130).
Inventors:
MOCHIZUKI KOHEI (JP)
NAKAYAMA YOSUKE (JP)
NAKAYAMA YOSUKE (JP)
Application Number:
PCT/JP2021/014403
Publication Date:
November 04, 2021
Filing Date:
April 02, 2021
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; B60R11/02; G02B3/00; G02B3/08; H04N5/64
Domestic Patent References:
| WO2017131185A1 | 2017-08-03 |
Foreign References:
| JP2012058690A | 2012-03-22 | |||
| JP2018083593A | 2018-05-31 | |||
| JP2015059966A | 2015-03-30 | |||
| JP2014235268A | 2014-12-15 | |||
| KR20190075665A | 2019-07-01 |
Attorney, Agent or Firm:
SHIN-EI PATENT FIRM, P.C. (JP)
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