公开(公告)号：US20230057934A1

公开(公告)日：2023-02-23

申请号：US17880056

申请日：2022-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： SANGDUK LEE ,  CHAN-JAE PARK

IPC: H01L23/00 ,  H01L25/065 ,  H01L25/18 ,  H01L25/00

Abstract: A bonding apparatus includes an ultrasonic oscillator which generates ultrasonic vibration, a stage disposed under the ultrasonic oscillator, and an embossed sheet disposed between the ultrasonic oscillator and the stage. The embossed sheet includes a body and a plurality of protrusions protruding downward from a lower surface of the body which faces the stage.

公开(公告)号：US20230051284A1

公开(公告)日：2023-02-16

申请号：US17839910

申请日：2022-06-14

Applicant: Samsung Display Co., LTD.

Inventor： SANGDUK LEE ,  MISUN KIM ,  KIKYUNG YOUK ,  SEUNG-YEON CHAE

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A display device includes a substrate including a display area and a pad area which is adjacent to the display area, a display part in the display area, on the substrate, a protective layer under the substrate and defining a first opening overlapping the pad area, a rigid support member filling the first opening of the protective layer and including glass, and a driving circuit chip in the pad area, on the substrate.

公开(公告)号：US20220055313A1

公开(公告)日：2022-02-24

申请号：US17388475

申请日：2021-07-29

Applicant: Samsung Display Co., Ltd.

Inventor： CHAN-JAE PARK ,  MINSOO KIM ,  YOONA KIM ,  SOO YEON HAN ,  SUNOK OH ,  KIKYUNG YOUK ,  SANGDUK LEE ,  HYUN A LEE

IPC: B29C65/08 ,  H05K3/30 ,  B29C65/48 ,  B29C65/00

Abstract: An ultrasonic bonding apparatus includes a stage having an upper surface on a plane defined by a first direction and a second direction crossing the first direction, a head part spaced apart from the stage in a third direction crossing the first direction and the second direction, a first ultrasonic generator which vibrates in a direction parallel to the first direction, and a second ultrasonic generator which vibrates in a direction parallel to the third direction, where each of the first ultrasonic generator and the second ultrasonic generator may be coupled to the stage or the head part.