US 12,396,323 B2
Display device having protruded structure in bending region and method of providing the same
Jeong Seok Lee, Yongin-si (KR); Oh June Kwon, Hwaseong-si (KR); and Woo Yong Sung, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jun. 16, 2022, as Appl. No. 17/841,778.
Claims priority of application No. 10-2021-0125814 (KR), filed on Sep. 23, 2021.
Prior Publication US 2023/0092412 A1, Mar. 23, 2023
Int. Cl. H10K 50/84 (2023.01); H10K 50/844 (2023.01); H10K 71/00 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/844 (2023.02) [H10K 71/00 (2023.02); H10K 77/111 (2023.02); H10K 2102/311 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate comprising a display area and a bending region which is adjacent to the display area;
a pixel partition wall layer on the substrate and comprising a pixel-defining layer in the display area;
a first bending protective layer on the substrate and comprising a protrusion pattern in the bending region, the protrusion pattern comprising a base, and a plurality of protrusions which are integral with the base and each extend from the base; and
a bending inorganic layer on the protrusion pattern of the first bending protective layer, in the bending region, the bending inorganic layer including an outer surface having an inverted taper shape with respect to the substrate.