US 11,938,569 B2
Window and method of manufacturing the same
Yong-Hoon Kwon, Suwon-si (KR); Byunghoon Kim, Hwaseong-si (KR); Taeoh Kim, Suwon-si (KR); and Jaebeen Lee, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Nov. 12, 2021, as Appl. No. 17/525,199.
Claims priority of application No. 10-2020-0182756 (KR), filed on Dec. 24, 2020.
Prior Publication US 2022/0203479 A1, Jun. 30, 2022
Int. Cl. B23K 26/364 (2014.01)
CPC B23K 26/364 (2015.10) 18 Claims
OG exemplary drawing
 
1. A method of manufacturing a window, comprising:
providing a window comprising a first non-folding portion, a second non-folding portion, and a folding portion disposed between the first and second non-folding portions; and
irradiating a laser beam to a front surface of the folding portion of the window to form a first groove in the front surface of the folding portion, wherein
the first non-folding portion, the second non-folding portion and the folding portion are arranged in the window in a first direction,
a plurality of first processing areas extending in a second direction intersecting the first direction and arranged in the first direction are defined in the front surface of the folding portion,
the plurality of first processing areas overlap each other in the first direction, and
the laser beam is irradiated at least once to each of the plurality of first processing areas in the second direction.