公开(公告)号：US20200280807A1

公开(公告)日：2020-09-03

申请号：US16719831

申请日：2019-12-18

Applicant: Samsung Display Co., LTD.

Inventor： Jong Tae KIM

IPC: H04R17/00 ,  H05K1/02 ,  H05K1/18 ,  H05K5/00 ,  H04R1/02

Abstract: A display device including a circuit board having a sound generator includes: a base layer; conductive lines disposed on the base layer; and a sound generator disposed on the conductive lines, the sound generator contracting and expanding according to the polarity of driving voltages applied thereto.

公开(公告)号：US20210044880A1

公开(公告)日：2021-02-11

申请号：US16852561

申请日：2020-04-20

Applicant: Samsung Display Co., LTD.

Inventor： Jong Tae KIM ,  Sang Wook YOO

IPC: H04R1/02

Abstract: A display device includes: a display panel; a sound generation device disposed on one surface of the display panel, where the sound generation device vibrates the display panel based on sound driving voltages to output sound; and a sound driving circuit which generates the sound driving voltages, which is compensated based on an ambient temperature of the sound generation, based on sound data and supplies the sound driving voltages to the sound generation device.

公开(公告)号：US20200293737A1

公开(公告)日：2020-09-17

申请号：US16738854

申请日：2020-01-09

Applicant: Samsung Display Co., LTD.

Inventor： Jong Tae KIM ,  Sang Wook YOO

IPC: G06K9/00 ,  G06F3/01 ,  G06F3/041 ,  G06F21/32 ,  H01L41/09 ,  H01L41/083

Abstract: A display device includes: a display panel; a fingerprint sensor which is disposed on a surface of the display panel and senses a user's fingerprint by emitting ultrasonic waves; and a first vibrator which is disposed on a surface of the fingerprint sensor and generates vibrations based on driving voltages applied thereto.

公开(公告)号：US20220114828A1

公开(公告)日：2022-04-14

申请号：US17555367

申请日：2021-12-17

Applicant: Samsung Display Co., LTD.

Inventor： Jong Tae KIM ,  Sang Wook YOO

IPC: G06V40/13 ,  G06F3/01 ,  G06F3/041 ,  G06F21/32 ,  H01L41/083 ,  H01L41/09

Abstract: A display device includes: a display panel; a fingerprint sensor which is disposed on a surface of the display panel and senses a user's fingerprint by emitting ultrasonic waves; and a first vibrator which is disposed on a surface of the fingerprint sensor and generates vibrations based on driving voltages applied thereto.

公开(公告)号：US20210058691A1

公开(公告)日：2021-02-25

申请号：US16852566

申请日：2020-04-20

Applicant: Samsung Display Co., LTD.

Inventor： Jong Tae KIM ,  Sang Wook YOO

IPC: H04R1/02 ,  H01L27/32

Abstract: A display device includes: a display panel including a substrate and a pixel array layer disposed on a surface of the substrate; a sound generation device disposed on an opposing surface opposite to the surface of the substrate; and a set cover including a plurality of ribs which overlap the sound generation device in a thickness direction of the display panel. The sound generation device vibrates the display panel to output a sound.

公开(公告)号：US20210014589A1

公开(公告)日：2021-01-14

申请号：US16917709

申请日：2020-06-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jeong Heon LEE ,  Jong Tae KIM ,  Young Sik KIM

IPC: H04R1/02

Abstract: A display device includes: a display panel; a frame disposed on the display panel and having a first hole and a second hole spaced apart from the first hole; a vibration device disposed on the display panel and received in the first hole; and a battery disposed on the display panel and received in the second hole. The frame has a first long side edge, a second long side edge opposite to the first long side edge, a first short side edge disposed between the first and second long side edges, and a second short side edge opposite to the first short side edge. The vibration device is disposed adjacent to the first long side edge, and the battery is disposed adjacent to the second long side edge.