ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,396, issued on Oct. 14, was assigned to Apple Inc. (Cupertino, Calif.).

"Organic light-emitting diode displays with planarization layers" was invented by Prashant Mandlik (Sunnyvale, Calif.), Bhadrinarayana Lalgudi Visweswaran (San Mateo, Calif.), Ankit Mahajan (Los Gatos, Calif.), Chia-Hao Chang (Taoyuan, Taiwan), Christopher E Glazowski (Santa Cruz, Calif.), David L Wei (San Diego), Hui Lu (Santa Clara, Calif.), Takahide Ishii (Taoyuan, Taiwan), Themistoklis Afentakis (San Jose, Calif.), Han Liu (Sunnyvale, Calif.), Cheng-Chih Hsieh (Santa Clara, Calif.), Asli Sirman (San Jose, Calif.), Shih Chang Chang (Cupertino, Calif.), Ko-Wei Chen (New Taipei, Taiwan), Shang-Chih Lin (Cuper...