公开(公告)号：US11871630B2

公开(公告)日：2024-01-09

申请号：US18062804

申请日：2022-12-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kikyung Youk ,  Hanbum Kwon ,  Seung-Soo Ryu ,  Heeju Woo ,  Cholong Won ,  Daehyuk Im ,  Sun Oh Jeong

IPC: H10K59/131 ,  H10K59/40 ,  H10K50/844

CPC classification number: H10K59/131 ,  H10K50/844 ,  H10K59/40

Abstract: A display device includes a base layer, a pixel disposed on the base layer, a signal line electrically connected to the pixel, a signal pad connected to the signal line, and a plurality of insulating layers disposed on the base layer. The signal pad includes a first conductive pattern connected to an end portion of the signal line, a second conductive pattern connected to the first conductive pattern, and at least one insulating pattern disposed between the end portion of the signal line and the second conductive pattern in a cross-sectional view and overlapping the second conductive pattern in a plan view.

公开(公告)号：US12080662B2

公开(公告)日：2024-09-03

申请号：US17316716

申请日：2021-05-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eui Jeong Kang ,  Sanghyeon Song ,  Heeju Woo ,  Donghyun Lee

IPC: H01L23/00 ,  H10K59/131

CPC classification number: H01L24/05 ,  H01L24/02 ,  H01L24/04 ,  H01L24/29 ,  H01L24/32 ,  H01L24/33 ,  H01L24/83 ,  H10K59/131 ,  H01L2224/02181 ,  H01L2224/02185 ,  H01L2224/04026 ,  H01L2224/05073 ,  H01L2224/05124 ,  H01L2224/05139 ,  H01L2224/05147 ,  H01L2224/05166 ,  H01L2224/0518 ,  H01L2224/05551 ,  H01L2224/05553 ,  H01L2224/05564 ,  H01L2224/05573 ,  H01L2224/05686 ,  H01L2224/0569 ,  H01L2224/05693 ,  H01L2224/29499 ,  H01L2224/32227 ,  H01L2224/32238 ,  H01L2224/331 ,  H01L2224/83048 ,  H01L2224/83191 ,  H01L2224/83192 ,  H01L2224/83201 ,  H01L2224/8322 ,  H01L2224/83951

Abstract: The invention relates to display device and method of manufacturing the same. The display device includes: a substrate; a driving pad disposed on the substrate; an insulating layer exposing the driving pad and disposed on the substrate; a circuit board including a circuit pad overlapping the driving pad; and a connector disposed between the circuit board and the insulating layer and including a plurality of conductive particles electrically connecting the driving pad and the circuit pad, the driving pad including: a first pad disposed on the substrate; and a second pad disposed on the first pad and having an opening exposing the first pad.

公开(公告)号：US20230247874A1

公开(公告)日：2023-08-03

申请号：US18062804

申请日：2022-12-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kikyung Youk ,  Hanbum Kwon ,  Seung-soo Ryu ,  Heeju Woo ,  Cholong Won ,  Daehyuk Im ,  Sun Oh Jeong

IPC: H10K59/131 ,  H10K59/40 ,  H10K50/844

CPC classification number: H01L27/3276 ,  H01L27/323 ,  H01L51/5253

Abstract: A display device includes a base layer, a pixel disposed on the base layer, a signal line electrically connected to the pixel, a signal pad connected to the signal line, and a plurality of insulating layers disposed on the base layer. The signal pad includes a first conductive pattern connected to an end portion of the signal line, a second conductive pattern connected to the first conductive pattern, and at least one insulating pattern disposed between the end portion of the signal line and the second conductive pattern in a cross-sectional view and overlapping the second conductive pattern in a plan view.

公开(公告)号：US11552155B2

公开(公告)日：2023-01-10

申请号：US16944707

申请日：2020-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Chan-Jae Park ,  Sangduk Lee ,  Heeju Woo ,  Kikyung Youk ,  Hyun a Lee ,  Daehwan Jang

IPC: H01L27/32 ,  H01L23/00

Abstract: A method for manufacturing a display device includes providing an electronic component between a plurality of bumps, providing a display panel, aligning the electronic component and the display panel, and applying ultrasonic waves to bond the plurality of bumps to signal pads. In providing first adhesive members, at least a portion of a top surface of each of the plurality of bumps is exposed between the first adhesive members.

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：US11135779B2

公开(公告)日：2021-10-05

申请号：US16886993

申请日：2020-05-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun a Lee ,  Chan-Jae Park ,  Heeju Woo ,  Kikyung Youk ,  Sangduk Lee ,  Daehwan Jang

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

Abstract: An ultrasonic bonding apparatus includes a stage on which a display panel is seated, a first ultrasonic generation unit which is connected to the stage and vibrates in a first direction and provide a first polarization, and a second ultrasonic generation unit in which an electronic component is seated and which vibrates in a second direction that is crossed with the first direction, and provides a second polarization, where a third polarization is provided on a plane on which the display panel contacts the electronic component.