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Title:
HEAD-UP DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/221070
Kind Code:
A1
Abstract:
A head-up display device for projecting light indicating an image to a projection member and thereby displaying the image as a virtual image in a predetermined position in front of a driver's seat is provided with a housing (10), a projecting unit (20) for projecting projection light for indicating the image, a reflection-type screen (30) for diffusely reflecting the projection light, a concave mirror (40) for enlarging and reflecting image light which is light of the projection light diffusely reflected by the reflection-type screen toward the projection member, a screen motor (60) for rotating the reflection-type screen in a direction in which the tilt angle of the reflection-type screen changes, and a screen motor control unit (F5) for controlling operation of the screen motor.

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Inventors:
TAKAZAWA TAKASHI (JP)
HAYAKAWA YUICHIRO (JP)
SAKAI MAKOTO (JP)
Application Number:
PCT/JP2018/016384
Publication Date:
December 06, 2018
Filing Date:
April 23, 2018
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
G02B27/01; B60K35/00
Domestic Patent References:
WO2016014712A12016-01-28
Foreign References:
US20160266390A12016-09-15
JP2011203680A2011-10-13
JPH10333080A1998-12-18
JP2009163122A2009-07-23
JP2014026244A2014-02-06
Attorney, Agent or Firm:
JIN Shunji (JP)
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