US 12,436,388 B2
Head-up display and moving body with head-up display mounted thereon
Satoshi Kuzuhara, Osaka (JP); and Hiroaki Okayama, Nara (JP)
Assigned to PANASONIC AUTOMOTIVE SYSTEMS CO., LTD., Kanagawa (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Aug. 13, 2024, as Appl. No. 18/802,672.
Application 18/802,672 is a continuation of application No. 17/846,888, filed on Jun. 22, 2022, granted, now 12,085,713.
Application 17/846,888 is a continuation of application No. 16/892,386, filed on Jun. 4, 2020, granted, now 11,402,630, issued on Aug. 2, 2022.
Application 16/892,386 is a continuation of application No. PCT/JP2018/039306, filed on Oct. 23, 2018.
Claims priority of application No. 2017-236940 (JP), filed on Dec. 11, 2017.
Prior Publication US 2024/0402492 A1, Dec. 5, 2024
Int. Cl. G09G 5/00 (2006.01); G02B 27/01 (2006.01)
CPC G02B 27/0101 (2013.01) [G02B 2027/013 (2013.01); G02B 2027/0183 (2013.01); G02B 2027/0187 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A head-up display comprising:
a device configured to emit beams for forming a projection image from an original image;
a first mirror configured to reflect the beams emitted from the device;
a first lens configured to condense the beams reflected by the first mirror;
a second mirror configured to reflect the beams and form an intermediate image; and
a third mirror configured to reflect the beams that form the intermediate image to a windshield as the projection image, wherein:
the first mirror, the first lens, the second mirror, and the third mirror are disposed in this order along an optical path to the windshield, and
the intermediate image is an aerial image formed in a space on the optical path between the second mirror and the third mirror.