US 12,148,769 B2
Electronic device
Ming-Jou Tai, Miao-Li County (TW); and Chia-Hao Tsai, Miao-Li County (TW)
Assigned to Innolux Corporation, Miaoli County (TW)
Filed by Innolux Corporation, Miao-Li County (TW)
Filed on Apr. 18, 2023, as Appl. No. 18/302,014.
Application 18/302,014 is a continuation of application No. 17/202,371, filed on Mar. 16, 2021, granted, now 11,664,393.
Claims priority of application No. 202010242641.3 (CN), filed on Mar. 31, 2020.
Prior Publication US 2023/0253418 A1, Aug. 10, 2023
Int. Cl. H01L 27/12 (2006.01); H01L 29/786 (2006.01)
CPC H01L 27/1288 (2013.01) [H01L 27/1248 (2013.01); H01L 29/78633 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a substrate with a step structure comprising a high-level surface and a low-level surface, wherein the substrate comprises a base, an insulating layer disposed on the base, and a metal layer, and the insulating layer has a first opening exposing a first portion of the metal layer; and
a pattern layer comprising a first unit pattern and a second unit pattern adjacent to and separated from the first unit pattern,
wherein the first unit pattern overlaps a first part of the low-level surface and overlaps a first part of the high-level surface, and the second unit pattern overlaps a second part of the low-level surface and overlaps a second part of the high-level surface,
wherein the first part of the low-level surface comprises the first portion of the metal layer.