公开(公告)号：US20230207318A1

公开(公告)日：2023-06-29

申请号：US17852183

申请日：2022-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Nak Cho CHOI ,  Sang Woo AN

IPC: H01L21/027 ,  H01L27/32 ,  G09F9/302

CPC classification number: H01L21/0273 ,  H01L27/3246 ,  G09F9/3026

Abstract: A display panel manufacturing method includes the following steps: providing a first signal pad on a first face of a substrate; providing a second signal pad on a second face of the substrate; providing a conductive member that contacts each of the first signal pad, the second signal pad, and a third face of the substrate; providing a photoresist pattern that partially covers the conductive member and overlaps each of the first signal pad, the second signal pad, and the third face of the substrate; pre-curing the photoresist member; forming a signal line by etching the conductive member; and curing the photoresist member to form a cured photoresist member. The cured photoresist member covers an edge of the signal line.

公开(公告)号：US20220238628A1

公开(公告)日：2022-07-28

申请号：US17581633

申请日：2022-01-21

Applicant: Samsung Display Co., LTD.

Inventor： Yong Duck SON ,  Sang Woo AN ,  Chan Hyun PARK ,  Da Bin LEE

IPC: H01L27/32

Abstract: A display device includes: a substrate; fan-out lines on the substrate; signal lines on the substrate, and spaced from the fan-out lines; and connection lines connecting the fan-out lines to the signal lines. The fan-out lines include: first fan-out lines of a first fan-out group; and second fan-out lines of a second fan-out group adjacent to the first fan-out group. An outermost first fan-out line of the first fan-out group that is located closest to the second fan-out group and an outermost second fan-out line of the second fan-out group that is located closest to the first fan-out group are connected to signal lines from among the signal lines, respectively, and a distance between the outermost first fan-out line and the outermost second fan-out line is greater than a distance between the signal lines respectively connected to the outermost first fan-out line and the outermost second fan-out line.

公开(公告)号：US20230238495A1

公开(公告)日：2023-07-27

申请号：US18048135

申请日：2022-10-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nak Cho CHOI ,  Sang Woo AN

IPC: H01L33/62 ,  H01L33/00 ,  H01L25/075 ,  G09F9/302

CPC classification number: H01L33/62 ,  H01L33/005 ,  H01L25/0753 ,  G09F9/3026 ,  H01L2933/0066

Abstract: A display device is provided, a display device includes, a substrate including a first surface, a second surface opposite to the first surface, a first chamfered surface extending from one side of the first surface, a second chamfered surface extending from one side of the second surface, and a first side surface connecting the first chamfered surface and the second chamfered surface to each other, a first pad on the first surface, an upper via layer on the first surface and spaced from the first pad, and a first passivation layer partially covering the upper via layer, and defining a first exposure opening exposing one side of the upper via layer facing the first pad.

公开(公告)号：US20230138402A1

公开(公告)日：2023-05-04

申请号：US17880303

申请日：2022-08-03

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Sang Woo AN

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00 ,  H01L25/075

Abstract: A display device includes: a substrate; a pixel circuit layer on the substrate; a first connection electrode and a second connection electrode on the pixel circuit layer; a first bump on the first connection electrode, and a second bump on the second connection electrode, the first bump and the second bump including materials having different elastic moduli; and a light-emitting element including a first electrode electrically connected to the first connection electrode and a second electrode electrically connected to the second connection electrode.

公开(公告)号：US20230246011A1

公开(公告)日：2023-08-03

申请号：US17893580

申请日：2022-08-23

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Sang Woo AN

IPC: H01L25/16 ,  H01L27/12 ,  H01L23/00 ,  H01L23/31

CPC classification number: H01L25/167 ,  H01L23/3192 ,  H01L24/05 ,  H01L24/08 ,  H01L24/13 ,  H01L24/16 ,  H01L24/95 ,  H01L27/127 ,  H01L27/1218 ,  H01L33/62 ,  H01L2224/05082 ,  H01L2224/05124 ,  H01L2224/05139 ,  H01L2224/05147 ,  H01L2224/05164 ,  H01L2224/05166 ,  H01L2224/05186 ,  H01L2224/05558 ,  H01L2224/05572 ,  H01L2224/05573 ,  H01L2224/05639 ,  H01L2224/05647 ,  H01L2224/05664 ,  H01L2224/05666 ,  H01L2224/05686 ,  H01L2224/08145 ,  H01L2224/16145 ,  H01L2224/95001 ,  H01L2924/0133 ,  H01L2924/0549 ,  H01L2924/12041

Abstract: A method of manufacturing a display device includes forming a thin film transistor layer in an active area of a substrate, forming a metal layer on an edge area of the substrate, transferring first coating patterns to the edge area, the first coating patterns covering a portion of the metal layer corresponding to shapes of side surface lines, etching the metal layer to form the side surface lines, an upper surface of each of the side surface lines being covered by the first coating patterns, transferring a second coating pattern to the edge area, the second coating pattern covering a side surface of each of the side surface lines and the first coating patterns, and transferring light emitting elements to the thin film transistor layer. The second coating pattern includes openings corresponding to the first coating patterns in a plan view.

公开(公告)号：US20230238494A1

公开(公告)日：2023-07-27

申请号：US17970406

申请日：2022-10-20

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Sang Woo AN ,  Yong Duck SON ,  Won Ho JANG ,  Myung Koo HUR

IPC: H01L33/62 ,  H01L25/075 ,  G09F9/302 ,  G09F9/33

CPC classification number: H01L33/62 ,  H01L25/0753 ,  G09F9/3026 ,  G09F9/33 ,  H01L2933/0066

Abstract: A display device includes a substrate including a first surface, a second surface opposite the first surface, a first chamfered surface extending from a side of the first surface, a second chamfered surface extending from a side of the second surface, and a first side surface connecting the first chamfered surface and the second chamfered surface, a plurality of subpixels on the first surface, a side wiring on the first surface, the first chamfered surface, the first side surface, the second chamfered surface, and the second surface of the substrate, and a circuit board on the second surface. The side wiring comprises a first portion on the first surface and a second portion on the first side surface, and includes metal particles where a packing density of the metal particles in the first portion is higher than a packing density of the metal particles in the second portion.

公开(公告)号：US20230238373A1

公开(公告)日：2023-07-27

申请号：US18080413

申请日：2022-12-13

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Byeong Kyun CHOI ,  Jae Phil LEE ,  Sun PARK ,  Min Chul SHIN ,  Sang Woo AN

IPC: H01L25/16 ,  H01L27/12 ,  H01L23/00

CPC classification number: H01L25/167 ,  H01L27/1248 ,  H01L24/05 ,  H01L24/29 ,  H01L24/32 ,  H01L2224/02185 ,  H01L2224/05026 ,  H01L2224/05073 ,  H01L2224/05573 ,  H01L2224/05561 ,  H01L2224/05686 ,  H01L2224/26145 ,  H01L2224/29016 ,  H01L2224/29021 ,  H01L2224/32145 ,  H01L2924/0549 ,  H01L2924/12041

Abstract: A display device includes a substrate, a plurality of electrode pads including a first electrode pad and a common electrode pad on the substrate, a light emitting element including a first contact electrode on the first electrode pad and a second contact electrode on the common electrode pad, a conductive adhesive member including a plurality of conductive balls connecting the first electrode pad and the first contact electrode and connecting the common electrode pad and the second contact electrode, and a plurality of protrusions on the substrate and protruding in a thickness direction of the substrate. First protrusions from among the plurality of protrusions overlap the electrode pads in the thickness direction of the substrate.

公开(公告)号：US20240266362A1

公开(公告)日：2024-08-08

申请号：US18396205

申请日：2023-12-26

Applicant: Samsung Display Co., LTD. ,  NOKWON C&I Corporation

Inventor： Nak Cho CHOI ,  Min Woo OH ,  Jong Hwan BAE ,  Sang Woo AN ,  Jae Chil HWANG ,  Myung Koo HUR

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/1244 ,  H01L25/167 ,  H01L27/1292 ,  H01L27/1218

Abstract: Provided are a display device, a method of fabricating the display device, and a tiled display device including display devices. A display device includes, a substrate including a first surface, a second surface opposite the first surface, and a first side surface disposed between the first surface and the second surface, a light emitting element disposed on the first surface, a side wiring disposed on the first surface, the first side surface, and the second surface, and an overcoat layer covering the side wiring, and the overcoat layer includes at least one of CaCO3 and xCaO·ySiO2·zH2O where x, y, and z are natural numbers.

公开(公告)号：US20230326932A1

公开(公告)日：2023-10-12

申请号：US18184561

申请日：2023-03-15

Applicant: Samsung Display Co., LTD.

Inventor： Yong Duck SON ,  Won Bong BAEK ,  Sang Woo AN ,  Kye Uk LEE ,  Won Ho JANG ,  Nak Cho CHOI

IPC: H01L27/12 ,  H01L25/16 ,  H01L23/00

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L24/05 ,  H01L24/08 ,  H01L24/13 ,  H01L24/16 ,  H01L2224/05073 ,  H01L2224/05027 ,  H01L2224/05573 ,  H01L2224/05561 ,  H01L2224/05572 ,  H01L2224/05686 ,  H01L2224/06181 ,  H01L24/06 ,  H01L2224/08145 ,  H01L2224/13021 ,  H01L2224/16225 ,  H01L2924/0549 ,  H01L2924/12041

Abstract: A display device includes, a substrate including a first surface and a second surface opposite to the first surface; a light emitting element on the first surface of the substrate; a top surface pad on the first surface of the substrate and spaced from the light emitting element; a driving circuit on the second surface of the substrate to apply a driving signal for driving the light emitting element; a top surface connection line between the first surface of the substrate and the top surface pad to electrically connect the top surface pad to the light emitting element; an interlayer insulating layer between the top surface connection line and the top surface pad; and a side wiring on the top surface pad to connect the top surface pad to the driving circuit.

公开(公告)号：US20230238399A1

公开(公告)日：2023-07-27

申请号：US18158958

申请日：2023-01-24

Applicant: Samsung Display Co., LTD.

Inventor： Nak Cho CHOI ,  Yong Duck SON ,  Sang Woo AN ,  Kye Uk LEE

IPC: H01L27/12 ,  H01L25/16 ,  G01R31/28

CPC classification number: H01L27/1244 ,  H01L25/167 ,  G01R31/2884 ,  H01L27/1218 ,  H01L24/05

Abstract: A display device including a substrate having a first side surface, a first surface, a second surface opposite to the first surface, a first chamfered surface extending from an edge of the first surface to the first side surface, a second chamfered surface extending from an edge of the second surface t the first side surface, a pixel on the first surface of the substrate and including a light emitting element configured to emit light, a first driving pad at the edge of the first surface of the substrate and electrically connected to the pixel, and a side wiring on the first surface, the first chamfered surface, the first side surface, the second chamfered surface, and the second surface of the substrate. The first driving pad has a flat portion connected to the side wiring.