US 12,471,486 B2
Method of manufacturing cover window and method of manufacturing display apparatus including cover window
Byeongbeom Kim, Yongin-si (KR); Seung Kim, Yongin-si (KR); Seungho Kim, Yongin-si (KR); and Cheolmin Park, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Sep. 14, 2022, as Appl. No. 17/944,467.
Claims priority of application No. 10-2022-0005331 (KR), filed on Jan. 13, 2022.
Prior Publication US 2023/0225150 A1, Jul. 13, 2023
Int. Cl. H10K 50/84 (2023.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01); H10K 71/20 (2023.01)
CPC H10K 50/841 (2023.02) [H10K 59/12 (2023.02); H10K 71/00 (2023.02); H10K 71/231 (2023.02)] 22 Claims
OG exemplary drawing
 
1. A method of manufacturing a cover window, the method comprising:
cutting mother glass into panel glass;
chamfering the panel glass;
etching an entire surface of the panel glass with a first etching solution comprising a fluorine-based compound;
etching the entire surface of the panel glass with a second etching solution different from the first etching solution; and
cleaning the panel glass with a basic cleaning solution.