ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,435, issued on Nov. 4, was assigned to JVCKENWOOD Corp. (Yokohama, Japan).
"Projection type display device" was invented by Shinji Kikuma (Yokohama, Japan), Tadashi Furukawa (Yokohama, Japan), Yasuki Arihara (Yokohama, Japan) and Takatsugu Aizaki (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluorescent substance is irradiated with laser light and emits illumination light of a prescribed color. A condenser lens collects the illumination light. A moving mechanism moves the fluorescent substance in a direction toward the condenser lens and in a direction away from the condenser lens. An image display element generates image light by...