US 11,751,423 B2
Display apparatus including hydrophobic blocking layer on through portion and method of manufacturing the same
Younjae Jung, Yongin-si (KR); Jongwoo Park, Yongin-si (KR); Taeyoung Kim, Yongin-si (KR); Heejin Kim, Yongin-si (KR); and Youngtae Choi, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jan. 13, 2021, as Appl. No. 17/148,405.
Claims priority of application No. 10-2020-0048303 (KR), filed on Apr. 21, 2020.
Prior Publication US 2021/0328184 A1, Oct. 21, 2021
Int. Cl. H10K 50/844 (2023.01); H10K 71/00 (2023.01); H10K 77/10 (2023.01); H10K 59/12 (2023.01)
CPC H10K 50/844 (2023.02) [H10K 71/00 (2023.02); H10K 77/10 (2023.02); H10K 59/12 (2023.02); H10K 59/1201 (2023.02)] 10 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a substrate comprising:
a display area comprising a plurality of thin film transistors, and a plurality of display elements electrically connected to the plurality of thin film transistors;
a first non-display area outside the display area; and
a second non-display area at least partially surrounded by the display area;
a through portion passing through the substrate in a vertical direction in the second non-display area;
a metal layer surrounding the through portion at the second non-display area; and
a hydrophobic blocking layer on an inner side surface of the through portion,
wherein the hydrophobic blocking layer comprises an oxide of a metal material of an exposed end of the metal layer at the inner side surface of the through portion.