Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 27, 2023
0Patent Application Number
175060390
Date Filed
October 20, 2021
0Patent Citations
Patent Primary Examiner
An object of the present invention is to provide a compact head-up display device. The head-up display device of the present invention includes an image forming unit that emits image light containing image information, and an eyepiece optical system that displays a virtual image by reflecting the image light, in which the eyepiece optical system includes a concave lens, a free curved surface lens, and a free curved surface concave mirror disposed in order from the image forming unit side along the emission direction of the image light.
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