US 12,437,679 B2
Flexible OLED display with reliefs
Sarah S. M. Cabreros, Mountain View, CA (US); Yi Tao, San Jose, CA (US); Sangmoo Choi, Palo Alto, CA (US); Nai-Hsuan Liu, Cupertino, CA (US); William Riis Hamburgen, Palo Alto, CA (US); Ion Bita, Los Altos, CA (US); and Taesung Kim, Cupertino, CA (US)
Assigned to Google LLC, Mountain View, CA (US)
Filed by Google LLC, Mountain View, CA (US)
Filed on Nov. 22, 2021, as Appl. No. 17/532,304.
Claims priority of provisional application 63/125,692, filed on Dec. 15, 2020.
Prior Publication US 2022/0190282 A1, Jun. 16, 2022
Int. Cl. G09F 9/30 (2006.01); H10K 50/84 (2023.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01); H10K 59/80 (2023.01); H10K 71/00 (2023.01); H10K 102/00 (2023.01)
CPC G09F 9/301 (2013.01) [H10K 50/84 (2023.02); H10K 59/121 (2023.02); H10K 71/00 (2023.02); H10K 59/131 (2023.02); H10K 59/87 (2023.02); H10K 2102/311 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display assembly, comprising:
a cover layer;
a flexible display panel positioned beneath the cover layer, the flexible display panel comprising:
a planar portion formed on a center region of the flexible display panel; and
a bending portion formed at a periphery region of the planar portion, wherein the periphery region surrounds the planar portion and comprises:
an active area, and
an inactive area, wherein the inactive area forms a continuous exterior region surrounding the flexible display panel; and
a plurality of relief features formed in the bending portion of the flexible display panel, wherein each of the plurality of relief features is partially rounded when the bending portion of the flexible display panel is on the same plane as the planar portion, each of the plurality of relief features extends from an outer edge of the bending portion towards the planar portion, and the plurality of relief features are evenly dispersed around the periphery region such that the bending portion is separated into uniformly shaped sections between adjacent pairs of the plurality of relief features.