US Patent Issued to Sony Semiconductor Solutions on March 31 for "Display device with light emission separation layers of differing thicknesses" (Japanese Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,583, issued on March 31, was assigned to Sony Semiconductor Solutions Corp. (Kanagawa, Japan).

"Display device with light emission separation layers of differing thicknesses" was invented by Tomoyoshi Ichikawa (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Pixels each including a light emitting unit formed by laminating a first electrode, an organic layer, and a second electrode are arranged in a two-dimensional matrix. The organic layer includes multiple light emitting layers of different types and a light emission separation layer. Each of the multiple light emitting layers of different types is laminated as a common layer extend...