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.

公开(公告)号：US20230238394A1

公开(公告)日：2023-07-27

申请号：US18158421

申请日：2023-01-23

Applicant: Samsung Display Co., LTD.

Inventor： Kye Uk LEE ,  Nak Cho CHOI ,  Sang Woo AN ,  Yong Duck SON ,  Won Ho JANG ,  Jung Hwan HWANG ,  Myung Koo HUR

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L27/1218 ,  H01L24/05

Abstract: 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 side surface connecting the first chamfered surface to the second chamfered surface, a pixel on the first surface of the substrate and including a light emitting element to emit light, a plurality of front pad parts on an edge of the first surface of the substrate and electrically connected to the pixel, a plurality of rear pad parts on an edge of the second surface of the substrate, and a plurality of side surface connection lines on the side surface of the substrate electrically connecting the plurality of front pad parts to the plurality of rear pad parts.

公开(公告)号：US20230237937A1

公开(公告)日：2023-07-27

申请号：US17890937

申请日：2022-08-18

Applicant: Samsung Display Co., LTD.

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

IPC: G09F9/302 ,  H01L33/62 ,  H01L25/075 ,  H01L33/44 ,  H01L33/38

CPC classification number: G09F9/3026 ,  H01L33/62 ,  H01L25/0753 ,  H01L33/44 ,  H01L33/382

Abstract: A display device includes: a substrate; a transistor layer on a first surface of the substrate; a pad portion; a first via layer on the transistor layer, and spaced from the pad portion; a second via layer on the first via layer, and exposing an upper surface of the first via layer; a third via layer on the second via layer, and exposing an upper surface of the second via layer; a display element layer on the third via layer; a lead line on a second surface of the substrate; a side surface connection line on the first surface, the second surface, and a side surface between the first surface and the second surface, the side surface connection line electrically connecting the pad portion to the lead line; and an over-coating layer covering the side surface connection line, and overlapping with the exposed upper surface of the first via layer.