公开(公告)号：US20210048842A1

公开(公告)日：2021-02-18

申请号：US16891026

申请日：2020-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Si Young Choi ,  Jong Tae Kim ,  Young Sik Kim ,  Sang Wook Yoo ,  Jeong Heon Lee

IPC: G06F1/16 ,  G06F1/18 ,  G10K9/122 ,  G06F3/16

Abstract: According to one aspect of the invention, a circuit board for a display device includes: a first layer; a first lead line disposed on the first layer; and a sound generator disposed on the first layer, and the sound generator including: a first electrode to receive a first driving voltage; a second electrode to receive a second driving voltage; and a second layer disposed between the first electrode and the second electrode to contract or expand according to the first driving voltage and the second driving voltage; and a first solder to electrically communicate the first lead line and the first electrode.