ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,732, issued on Sept. 30, was assigned to Magnolia White Corp. (Tokyo).
"Display device" was invented by Takashi Ota (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes: point light sources emitting light of different colors; light guides each of which includes an end face facing a corresponding one of the point light sources, a first surface connected to the end face, and a second surface diagonally facing the end face and the first surface, the light being incident on the end face and undergoing internal reflection, between the first and second surfaces, and linear pattern emission from the first surface; and a display ...