ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,780, issued on March 17, was assigned to Japan Display Inc. (Tokyo).
"Light source device" was invented by Chikyu Nakaoka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a light source device includes an optical element and a light source configured to emit emission light toward the optical element. The optical element integrally includes a body having a plate-like shape including a first plate surface that faces the light source and is tilted relative to an optical axis of the emission light, and prisms each having a triangular sectional shape and disposed on the first plate surface in a state of being separated from ...