US 12,082,453 B2
Display device including a transmission preventing pattern
Junhee Lee, Hwaseong-si (KR); Minyeul Ryu, Suwon-si (KR); and Beohmrock Choi, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Jul. 14, 2021, as Appl. No. 17/375,397.
Claims priority of application No. 10-2020-0151384 (KR), filed on Nov. 12, 2020.
Prior Publication US 2022/0149136 A1, May 12, 2022
Int. Cl. H10K 59/126 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/38 (2023.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC H10K 59/126 (2023.02) [H10K 59/1213 (2023.02); H10K 59/122 (2023.02); H10K 59/38 (2023.02); G06F 3/0412 (2013.01); G06F 3/044 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a display area;
a thin film transistor disposed on the substrate;
a via layer disposed on the thin film transistor, wherein a via hole is defined through the via layer to expose a part of the thin film transistor;
a lower electrode disposed on the via layer;
a pixel defining layer disposed on the via layer, wherein a step structure is defined in the pixel defining layer to overlap the via hole; and
a transmission preventing pattern disposed directly on the step structure of the pixel defining layer, and overlapping the via hole.