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Patent Searching and Data


Title:
IMAGE PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/189620
Kind Code:
A1
Abstract:
An image generation device (12) comprises: an image generation part (123) that generates an image; a prism (124) having an incidence surface (124a) on which at least part of light emitted from the image generation part (123) is incident, an emission surface (124b) which emits light incident from the incidence surface (124a), and side surfaces (124c, 124d, 124e) which connect the incidence surface (124a) and the emission surface (124b); and a light-blocking part (125) which is provided on the emission surface (124b). The light-blocking part (125) blocks light reflected by the side surfaces.

Inventors:
TOYOSHIMA TAKANOBU (JP)
HAMADA YURI (JP)
Application Number:
PCT/JP2023/010162
Publication Date:
October 05, 2023
Filing Date:
March 15, 2023
Export Citation:
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Assignee:
KOITO MFG CO LTD (JP)
International Classes:
G02B27/01; B60K35/00; G03B21/00; G03B21/14; H04N5/74
Foreign References:
CN215773391U2022-02-08
JPH0643827Y21994-11-14
JP2008195194A2008-08-28
JP2015118271A2015-06-25
Attorney, Agent or Firm:
SHIN-EI, P.C. (JP)
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