ALEXANDRIA, Va., June 4 -- United States Patent no. 12,324,317, issued on June 3, was assigned to Apple Inc. (Cupertino, Calif.).

"Organic light-emitting diode displays with capillary-flow-inducing structures" was invented by Kuan-Yi Lee (New Taipei, Taiwan), Takahide Ishii (Taoyuan, Taiwan), Prashant Mandlik (Sunnyvale, Calif.), Chih-Lei Chen (TaiChung, Taiwan), Bhadrinarayana Lalgudi Visweswaran (San Mateo, Calif.) and Ankit Mahajan (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic light-emitting diode (OLED) display may have an array of pixels that each have OLED layers interposed between a cathode and an anode. The display may also include a planarization layer that is deposite...