US 12,133,424 B2
Display device and method of manufacturing the display device
Kyu Ho Jung, Osan-si (KR); and Suk Won Jung, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Mar. 26, 2021, as Appl. No. 17/214,536.
Claims priority of application No. 10-2020-0073628 (KR), filed on Jun. 17, 2020.
Prior Publication US 2021/0399070 A1, Dec. 23, 2021
Int. Cl. H10K 59/124 (2023.01); H10K 50/844 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/124 (2023.02) [H10K 50/844 (2023.02); H10K 71/00 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including:
a front member;
first and second side members extended from the front member; and
a first corner disposed between the first and second side members, the first side member being bent along a first bending line in a first direction, the second side member being bent along a second bending line in a second direction crossing the first direction;
an alignment mark disposed at the first corner of the substrate; and
a plurality of layers disposed on the substrate,
wherein the alignment mark includes a plurality of first marks disposed on a first layer of the plurality of layers and a plurality of second marks disposed on a second layer of the plurality of layers,
the plurality of first marks is disposed between the plurality of layers,
the second layer is an outermost layer of the plurality of layers so that the plurality of second marks is exposed upward,
the plurality of first marks and the plurality of second marks are arranged along a side edge of the first corner of the substrate, and
a minimum length of a second mark among lengths of the plurality of second marks in a predetermined direction along which the plurality of first marks and the plurality of second marks are arranged is larger than a maximum length of a first mark among lengths of the plurality of first marks along the predetermined direction.