US 12,457,850 B2
Display device and manufacturing method thereof
Jae Min Shin, Suwon-si (KR); Seung Bae Kang, Suwon-si (KR); Jong Ho Hong, Yongiin-si (KR); Gun Mo Kim, Hwaseong-si (KR); Min Woo Kim, Hwaseong-si (KR); Won Sang Park, Yongiin-si (KR); and Hye Jin Joo, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jun. 28, 2024, as Appl. No. 18/758,940.
Application 17/209,849 is a division of application No. 15/493,739, filed on Apr. 21, 2017, granted, now 10,985,332, issued on Apr. 20, 2021.
Application 18/758,940 is a continuation of application No. 17/209,849, filed on Mar. 23, 2021, granted, now 12,052,909.
Claims priority of application No. 10-2016-0122436 (KR), filed on Sep. 23, 2016.
Prior Publication US 2024/0357917 A1, Oct. 24, 2024
Int. Cl. H10K 59/10 (2023.01); H10K 30/00 (2023.01); H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 59/131 (2023.01); H10K 59/35 (2023.01); H10K 59/80 (2023.01); H10K 71/00 (2023.01); H10K 77/10 (2023.01)
CPC H10K 59/10 (2023.02) [H10K 30/671 (2023.02); H10K 50/844 (2023.02); H10K 59/131 (2023.02); H10K 59/353 (2023.02); H10K 59/873 (2023.02); H10K 71/00 (2023.02); H10K 77/111 (2023.02); H10K 59/12 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A manufacturing method of a display device, comprising:
forming an auxiliary flexible substrate;
forming a protective mask on the auxiliary flexible substrate;
forming a preliminary flexible substrate on the auxiliary flexible substrate and the protective mask, the preliminary flexible substrate directly contacting a top surface of the protective mask and a top surface of the auxiliary flexible substrate on opposite side surfaces of the protective mask;
forming a thin film transistor and a first electrode connected to the thin film transistor on the preliminary flexible substrate; and
patterning the auxiliary flexible substrate and the preliminary flexible substrate by using the protective mask to form a final flexible substrate.