US 11,903,263 B2
Method of manufacturing display device
Dongha Lee, Yongin-si (KR); Jongjang Park, Yongin-si (KR); and Seulgi Han, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Sep. 16, 2021, as Appl. No. 17/477,465.
Claims priority of application No. 10-2021-0002586 (KR), filed on Jan. 8, 2021.
Prior Publication US 2022/0223665 A1, Jul. 14, 2022
Int. Cl. H10K 59/122 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 71/00 (2023.02); H10K 59/1201 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A method of manufacturing a display device, the method comprising:
forming a first electrode on a substrate;
forming a bank layer on the first electrode, wherein the bank layer includes an opening portion exposing at least a portion of the first electrode;
forming a first bank layer and a second bank layer by baking the bank layer, wherein the second bank layer is on the first bank layer and has liquid repellency;
forming a first layer on the first electrode; and
forming a third bank layer and a fourth bank layer by baking the first bank layer and the second bank layer, wherein the fourth bank layer is on the third bank layer and has liquid repellency,
wherein the fourth bank layer is thinner than the second bank layer.