US 11,751,420 B2
Display device capable of facilitating substrate bonding with alignment key and method of fabricating the same
Jea Heon Ahn, Hwaseong-si (KR); Jang Soo Kim, Asan-si (KR); Jong Hoon Kim, Seoul (KR); Seong Yeon Lee, Asan-si (KR); Si Wan Jeon, Hwaseong-si (KR); and Seok Joon Hong, Seongnam-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Jun. 8, 2021, as Appl. No. 17/341,525.
Claims priority of application No. 10-2020-0075704 (KR), filed on Jun. 22, 2020.
Prior Publication US 2021/0399254 A1, Dec. 23, 2021
Int. Cl. H10K 50/842 (2023.01); H10K 71/00 (2023.01)
CPC H10K 50/8428 (2023.02) [H10K 71/00 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a first substrate;
a second substrate disposed on the first substrate;
first and second partition walls disposed on the second substrate, the second partition wall being disposed outside the first partition wall;
a first trench disposed between the two first partition walls and having a first width;
a second trench disposed between the first and second partition walls and having a second width greater than the first width;
an alignment key disposed on the second substrate and overlapping the second trench;
a first spacer disposed on the alignment key; and
a sealing member disposed along an edge between the first substrate and the second substrate without overlapping the alignment key,
wherein the first spacer partially overlaps the first partition wall, the second partition wall, and the sealing member.