公开(公告)号：US20220011918A1

公开(公告)日：2022-01-13

申请号：US17242717

申请日：2021-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： MIN-HONG KIM ,  HYUN-WOOK CHO ,  TAEJOON KIM ,  JAEHYUN PARK ,  JUNGMOK PARK ,  BOGEUN YUK

IPC: G06F3/041 ,  H05K1/18

Abstract: A circuit board includes a base substrate, and a connection structure disposed on the base substrate, and connected to the base substrate by an accessing part. The connection structure includes a first connection electrode, a second connection electrode disposed in a same layer as the first connection electrode, a third connection electrode connected to the first connection electrode on the first connection electrode, and a fourth connection electrode connected to the second connection electrode on the second connection electrode, and disposed in a same layer as the third connection electrode.