US Patent Issued to SEIKO EPSON on Aug. 25 for "Virtual image display device comprising a first lens and a second lens having a plano-convex shape and first and second prisms and optical unit" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,144, issued on Aug. 25, was assigned to SEIKO EPSON Corp. (Tokyo).

"Virtual image display device comprising a first lens and a second lens having a plano-convex shape and first and second prisms and optical unit" was invented by Takashi Takeda (Suwa, Japan) and Mitsutaka Ide (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A virtual image display device includes: a first lens that has a positive refractive power and on which video light is incident from the display element, a first prism on which the video light passed through the first lens is incident, a second prism that is bonded to the first prism, a polarized light separation fi...