ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,692, issued on Sept. 30.
"Head-up display using backlight to control eyebox" was invented by Stephen Chen (Changhua, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head-up display using a backlight to control an eyebox, is applicable to being used with an imaging semi-reflective mirror, and includes a backlight source, a switchable adjustment mirror device, a backlight concave mirror, a display panel and an imaging concave mirror. The switchable adjustment mirror device is positioned at the light path between the backlight source and the backlight concave mirror and includes a plurality of mirrors having different curvatures, and each one ...