公开(公告)号：US20230180556A1

公开(公告)日：2023-06-08

申请号：US18073635

申请日：2022-12-02

Applicant: Samsung Display Co., LTD.

Inventor： Byoungyong KIM

IPC: H01L29/205 ,  H01L23/00

CPC classification number: H01L27/3276 ,  H01L24/05 ,  H01L24/16 ,  H01L2224/02141 ,  H01L2224/02145 ,  H01L2224/05073 ,  H01L2224/05558 ,  H01L2224/05583 ,  H01L2224/05624 ,  H01L2224/05666 ,  H01L2224/16145 ,  H01L2924/12041

Abstract: A display panel includes a display area, a pad area adjacent to the display area, pixels disposed in the display area on a substrate, and pads disposed in the pad area on the substrate and electrically connected to pixels. Each of the pads includes a first conductive layer, at least one a first protrusion disposed on the first conductive layer, at least one second protrusion disposed on the first conductive layer and having a thickness smaller than a thickness of the at least one first protrusion, and a second conductive layer disposed on the first conductive layer and overlapping an upper surface of each of the at least one first protrusion and an upper surface of the at least one second protrusion in a plan view.

公开(公告)号：US20200312943A1

公开(公告)日：2020-10-01

申请号：US16900006

申请日：2020-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jungyun JO ,  Byoungyong KIM ,  Seung-soo RYU

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12 ,  H05K1/11 ,  H05K1/18 ,  G09G3/3233

Abstract: A display device includes a substrate including a display area and a non-display area, driving elements disposed in the display area, a plurality of pads disposed in the non-display area and electrically connected to the driving elements, an insulating layer partially disposed on the pads to partially expose the pads, a plurality of signal pads disposed on the pads exposed by the insulating layer and electrically connected to the pads, respectively, and an electronic component including a plurality of driving bumps disposed on the signal pads and electrically connected to the signal pads, respectively. A first portion of a first driving bump of the driving bumps is in direct contact with a first signal pad of the signal pads, and a second portion of the first driving bump is in direct contact with a portion of the insulating layer not overlapping with the first signal pad.

公开(公告)号：US20210074799A1

公开(公告)日：2021-03-11

申请号：US17015753

申请日：2020-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong KIM ,  JeongJin PARK

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a first substrate and a second substrate, and the first substrate includes a plurality of connection lines disposed to extend to an end of the first substrate and a plurality of pads disposed on a side surface of the first substrate and electrically connected to the plurality of connection lines, respectively. Each of the plurality of connection lines includes a first area and a second area extending from the first area, the first area has a width greater than a width of the second area, and the width of the second area is substantially the same as a width of each of the plurality of pads.

公开(公告)号：US20210028267A1

公开(公告)日：2021-01-28

申请号：US16894850

申请日：2020-06-07

Applicant: Samsung Display Co., Ltd.

Inventor： Eui Jeong KANG ,  Byoungyong KIM ,  Seung-Soo RYU ,  Sanghyeon SONG ,  Donghyun LEE

IPC: H01L27/32

Abstract: A display device including a display panel, a side surface electrode, and a flexible film. The display panel includes a display area, a non-display area defined outside the display area, a pixel disposed in the display area, a signal line connected to the pixel, and a connection pad extending from the signal line and disposed in the non-display area. The side surface electrode is disposed on one side surface of the display panel and contacts one side surface of the connection pad. The flexible film includes a driving pad that contacts the side surface electrode. The connection pad includes a first electrode layer including a plurality of first electrodes and a second electrode layer disposed on the first electrode layer and including a plurality of second electrodes. The first electrode layer and the second electrode layer have different rigidities.

公开(公告)号：US20190252481A1

公开(公告)日：2019-08-15

申请号：US16244372

申请日：2019-01-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byoungyong KIM ,  Jonghyuk LEE ,  Jeongho HWANG

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3248 ,  H01L27/3258

Abstract: A display device includes: a substrate including a pad area; a plurality of first conductive pads disposed in a matrix form in the pad area in a first direction and in a second direction intersecting the first direction; protrusions disposed on the plurality of first conductive pads; and a plurality of second conductive pads disposed on the plurality of first conductive pads and the protrusions. The plurality of second conductive pads include: contact portions in contact with the first conductive pads; and raised portions configured to extend from the contact portions, to cover the protrusions, and to have heights greater than that of the contact portions. The plurality of second conductive pads include an ultrasonic bondable material.

公开(公告)号：US20210066443A1

公开(公告)日：2021-03-04

申请号：US17004250

申请日：2020-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong KIM

IPC: H01L27/32 ,  G02F1/1362 ,  H01L51/56 ,  H01L51/52

Abstract: A display device includes a display panel including a display substrate and a connection pad disposed on a side surface of the display substrate, and a circuit board including a base board, and a driving pad disposed on the base board to face the connection pad and being in electrical contact with the connection pad. The connection pad includes a top surface, at least a portion of which is recessed to define a recessed space and facing the base board, and a bottom surface facing the side surface of the display substrate. The driving pad is disposed in the recessed space.

公开(公告)号：US20190196632A1

公开(公告)日：2019-06-27

申请号：US16203484

申请日：2018-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-soo RYU ,  Seung-hwan CHO ,  Byoungyong KIM ,  Daeyoung JOUNG ,  Young-cheol JEONG ,  Jeongho HWANG

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G09G3/3233 ,  H01L27/323

Abstract: A display device may include a display panel, an input sensing unit, and a driving circuit board. The display panel includes a base substrate and a driving pad, and the input sensing unit includes an encapsulation substrate and an input pad. The driving circuit board may be provided on one of side surfaces of the base substrate adjacent to the driving pad and on one of connection surfaces of the encapsulation substrate adjacent to the input pad and may be electrically connected to the driving pad and the input pad, respectively.

公开(公告)号：US20170164474A1

公开(公告)日：2017-06-08

申请号：US15367070

申请日：2016-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong KIM ,  Inseok YEO ,  Euiyun JANG ,  Sangjun LEE ,  Jeongho HWANG

IPC: H05K1/11 ,  H05K1/18

CPC classification number: H05K1/113 ,  H05K1/111 ,  H05K1/118 ,  H05K1/147 ,  H05K1/181 ,  H05K2201/05 ,  H05K2201/09227 ,  H05K2201/09409 ,  H05K2201/09481 ,  H05K2201/09709 ,  H05K2201/10128 ,  H05K2201/10545 ,  Y02P70/611

Abstract: Provided is a printed circuit board including a base substrate, first row pads, and second row pads. The base substrate has two sides, that can be adjacent, respectively extending in first and second directions. A plurality of pad group areas successively positioned along the first direction are defined on the base substrate. The first row pads are respectively disposed within the pad group areas and successively positioned along a third direction. The second row pads are respectively disposed within the pad group areas, successively positioned along the third direction, and spaced apart from the first row pads. Each of the second row pads is a predetermined distance from a corresponding one of the first row pads in the second direction.

公开(公告)号：US20220187881A1

公开(公告)日：2022-06-16

申请号：US17685735

申请日：2022-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong KIM ,  Seongtaek LEE ,  Young-Min PARK

IPC: G06F1/18 ,  H01L27/32 ,  G09G3/3275 ,  H01L27/12

Abstract: A display device may include a display panel including a signal pad and a circuit board including a connection pad having a first connection pad portion and a second connection pad portion. The second connection pad portion may be thicker than the first connection pad portion and may not be overlapped with the first connection pad portion in a plan view. The connection pad may be in contact with the signal pad. A first surface roughness between the first connection pad portion and the signal pad may be greater than a second surface roughness between the second connection pad portion and the signal pad.

公开(公告)号：US20210193789A1

公开(公告)日：2021-06-24

申请号：US17108354

申请日：2020-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Donghyun LEE ,  Eui Jeong KANG ,  Byoungyong KIM ,  Seung-Soo RYU ,  Sanghyeon SONG ,  Sang Hyuck YOON

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes a pixel array disposed on a base substrate, a side terminal electrically connected to the pixel array, a connection pad including a first side surface contacting a side surface of the side terminal, and a driving device bonding to a second side surface of the connection pad, where the second side surface is opposite to the first side surface. The side terminal includes a resistance-reducing layer and an upper conductive layer, the resistance-reducing layer includes a first conductive material, the upper conductive layer is disposed on the resistance-reducing layer and includes a second conductive material having an oxidation resistance greater than the first conductive material. A portion of the upper conductive layer is disposed between the connection pad and the resistance-reducing layer such that the resistance-reducing layer is spaced apart from the connection pad.