The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Feb. 20, 2024
Fujifilm Corporation, Tokyo, JP;
Akihiro Anzai, Minamiashigara, JP;
Eiichiro Aminaka, Minamiashigara, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
Provided is a head-up display system and a transportation machine including the head-up display system, the head-up display system including a windshield glass having a selective reflection layer and a projector including laser light sources of three colors of blue light, green light, and red light for forming a projection image on the windshield glass, in which the selective reflection layer includes the following selective reflection central wavelengths λ, λ, and λat a light incidence angle of 60°, all of X/X, X/X, and X/Xare in a range of 0.80 to 1.20. In the above, X=R×L, X=R×L, and X=R×L. R, R, and Rindicate a natural light reflectivity at λ, λ, and λ, and L, L, and Lindicate the brightness of blue, green, and red laser beam emitted from the projector.