公开(公告)号：US12243844B2

公开(公告)日：2025-03-04

申请号：US17717567

申请日：2022-04-11

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong Kim ,  Daehyuk Im ,  Seung-Soo Ryu ,  Heeju Woo

IPC: H05K1/18 ,  H01L23/00 ,  H01R4/04 ,  H01R12/62 ,  H05K3/36 ,  H01L25/18

Abstract: A display device includes a substrate including a display area and a pad area, a plurality of pad electrodes disposed in the pad area on the substrate, a circuit board disposed to overlap at least a portion of the pad area on the substrate, and an anisotropic conductive layer disposed in the pad area between the substrate and the circuit board. The circuit board includes a base substrate and a plurality of bump electrodes disposed on a lower surface of the base substrate. The anisotropic conductive layer includes an adhesive layer and a plurality of conductive particles arranged in the adhesive layer. Each of the conductive particles includes a core, a first conductive film disposed on the core in a way such that at least a portion of the core is exposed, and a second conductive film entirely covering the core and the first conductive film.

公开(公告)号：US11997901B2

公开(公告)日：2024-05-28

申请号：US18162136

申请日：2023-01-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byoungyong Kim ,  Seunghwa Ha ,  Seungsoo Ryu ,  Sanghyeon Song ,  Jeongdo Yang ,  Jungyun Jo ,  Jeongho Hwang

IPC: H10K59/13 ,  G02F1/13 ,  G02F1/1345 ,  H05K1/11 ,  H05K3/32 ,  H10K50/844 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/131 ,  G02F1/13458 ,  H05K1/111 ,  H05K1/112 ,  H05K3/32 ,  H05K3/328 ,  H10K50/844 ,  H10K71/00 ,  H05K2201/0373 ,  H05K2201/09845 ,  H05K2203/0285 ,  Y02P70/50

Abstract: A display apparatus includes a display panel having a display substrate on which a plurality of pad terminals is disposed, and a driving unit having a plurality of driving terminals electrically connected to the plurality of pad terminals. Each of the plurality of pad terminals includes a stepped groove that faces a corresponding driving terminal of the plurality of driving terminals or each of the plurality of pad terminals includes an opening hole that faces the corresponding driving terminal of the plurality of driving terminals.

公开(公告)号：US11957009B2

公开(公告)日：2024-04-09

申请号：US17115155

申请日：2020-12-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byoungyong Kim ,  Jonghyuk Lee ,  Jeongho Hwang

IPC: H10K59/131 ,  H10K59/123 ,  H10K59/124

CPC classification number: H10K59/131 ,  H10K59/123 ,  H10K59/124

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：US11803261B2

公开(公告)日：2023-10-31

申请号：US16906754

申请日：2020-06-19

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong Kim

IPC: G06F3/041 ,  H10K59/40

CPC classification number: G06F3/041 ,  H10K59/40

Abstract: A display device includes a display panel, a sensing structure, a sensing signal transfer film, and a side surface connection electrode structure. The display panel includes a first surface on which an image is displayed, a second surface facing the first surface, and first and second side surfaces connecting the first surface to the second surface. The sensing structure includes a sensing electrode disposed on the first surface of the display panel. The sensing signal transfer film is disposed on the second surface of the display panel. The side surface connection electrode structure is disposed at parts of an upper surface and a side surface of the sensing structure and parts of the first side surface and the second surface of the display panel and electrically connects the sensing electrode and the sensing signal transfer film.

公开(公告)号：US11681339B2

公开(公告)日：2023-06-20

申请号：US17685735

申请日：2022-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Byoungyong Kim ,  Seongtaek Lee ,  Young-Min Park

IPC: G09G3/20 ,  G06F1/18 ,  H01L27/32 ,  G09G3/3275 ,  H01L27/12 ,  G06F1/16

CPC classification number: G06F1/189 ,  G09G3/3275 ,  H01L27/124 ,  H01L27/3276 ,  G06F1/1626 ,  H01L2227/323

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：US11444146B2

公开(公告)日：2022-09-13

申请号：US16908986

申请日：2020-06-23

Applicant: Samsung Display Co., LTD.

Inventor： Byoungyong Kim ,  Seok-Hyun Nam

IPC: H01L25/18 ,  H01L27/32 ,  H01L23/00

Abstract: A display device includes: a display panel including a pixel array, a side terminal including a side surface which is exposed to outside the display panel, and a transfer wiring electrically connecting the side terminal and the pixel array to each other; and a side pad which is conductive and through which an electrical signal is provided to the side terminal from outside the display panel, the side pad contacting the display panel at the side surface of the side terminal which is exposed to outside the display panel. An end of the transfer wiring is spaced apart from the side surface of the side terminal which is exposed to outside the display panel.

公开(公告)号：US11239306B2

公开(公告)日：2022-02-01

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：US10949008B2

公开(公告)日：2021-03-16

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 ,  G09G3/3233

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：US10685930B2

公开(公告)日：2020-06-16

申请号：US16128740

申请日：2018-09-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byoungyong Kim ,  Jeongho Hwang

IPC: H01L23/498 ,  H01L23/00 ,  H01L27/12 ,  H01L27/32 ,  H01L51/52

Abstract: A driving chip includes a body portion including a circuit. A first bump is electrically connected to the body portion. A second bump is disposed on the first bump. The second bump has a planar area less than a planar area of the first bump on a plane defined along a first direction parallel to an upper surface of the body portion. The first bump has a length of about 60 μm or more in the first direction, a side surface of the second bump is aligned with a side surface of the first bump along a second direction orthogonal to the first direction.

公开(公告)号：US20190223289A1

公开(公告)日：2019-07-18

申请号：US16247753

申请日：2019-01-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byoungyong Kim ,  Jeongho Hwang

IPC: H05K1/11 ,  H01L27/32 ,  G02F1/1333 ,  G02F1/1362 ,  H05K13/00 ,  H05K13/04 ,  H05K1/18 ,  G06F3/041

Abstract: A display device includes: a display panel including a plurality of pixels that display an image, and a pixel pad portion; a first flexible film electrically connected to the display panel, the first flexible film including a first base film, an output pad portion, and an input pad portion, wherein the first base film includes a surface and an opposite surface facing each other, wherein the output pad portion is disposed on the surface of the first base film and is coupled to the pixel pad portion, and wherein the input pad portion is disposed on the surface of the first base film; a circuit substrate electrically connected to the display panel through the input pad portion, the circuit substrate including a first driving pad portion; and a first substrate disposed on the opposite surface and overlapping either the input pad portion or the output pad portion.