US 12,351,509 B2
Window and method of manufacturing the same
Hoikwan Lee, Suwon-Si (KR); Minki Kim, Hwaseong-Si (KR); Byeong-Beom Kim, Asan-Si (KR); Seungho Kim, Asan-Si (KR); Yuri Kim, Guri-Si (KR); and Jonghoon Yeum, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Appl. No. 17/296,255
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
PCT Filed Apr. 23, 2019, PCT No. PCT/KR2019/004927
§ 371(c)(1), (2) Date May 24, 2021,
PCT Pub. No. WO2020/145457, PCT Pub. Date Jul. 16, 2020.
Claims priority of application No. 10-2019-0003422 (KR), filed on Jan. 10, 2019.
Prior Publication US 2022/0098097 A1, Mar. 31, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 23/00 (2006.01); C03C 3/097 (2006.01); C03C 21/00 (2006.01)
CPC C03C 23/0075 (2013.01) [C03C 3/097 (2013.01); C03C 21/002 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of manufacturing a window comprising the operations of:
providing an initial window which comprises glass and comprises a lithium oxide and phosphorus oxide (P2O5); and
washing the initial window to manufacture the window,
wherein the operation of washing comprises:
an acid washing operation of providing the initial window into an acidic environment; and
a base washing operation of providing the initial window, which has been subjected to the acid washing operation, into a basic environment, and
wherein a roughness of the window ranges from 0.2 nm to 3 nm, and
wherein the surface roughness of the window is lower than a roughness of the provided initial window.