公开(公告)号：US11908362B2

公开(公告)日：2024-02-20

申请号：US18055267

申请日：2022-11-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Cheol Hwan Eom ,  Hyung Jun An ,  Ji Phyo Hong ,  Jong Won Moon ,  Hyea Weon Shin

IPC: G09G3/00 ,  G02F1/1345 ,  G09G3/36

CPC classification number: G09G3/006 ,  G02F1/1345 ,  G09G3/3611 ,  G09G2300/0426

Abstract: A display device includes first lead lines connecting the circuit signal lines with the driving integrated circuit, and second lead lines connecting the panel signal lines with the driving integrated circuit, wherein the second lead lines comprise a 2-1 sub-lead line configured to supply a scan-high voltage signal from the driving integrated circuit to the panel signal lines, and a 2-2 sub-lead line configured to supply a scan-low voltage signal from the driving integrated circuit to the panel signal lines, wherein the first lead lines comprises a 1-1 sub-lead line connected to the driving integrated circuit, a 1-1-1 sub-lead line separated from the 1-1 sub-lead line in a first direction, a 1-2 sub-lead line spaced apart from the 1-1 sub-lead line in a second direction intersecting the first direction, and a 1-2-1 sub-lead line spaced apart from the 1-2 sub-lead line in the second direction.

公开(公告)号：US11501674B2

公开(公告)日：2022-11-15

申请号：US16780613

申请日：2020-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Hwan Eom ,  Hyung Jun An ,  Ji Phyo Hong ,  Jong Won Moon ,  Hyea Weon Shin

IPC: G09G3/00 ,  G02F1/1345 ,  G09G3/36

Abstract: A display device includes first lead lines connecting the circuit signal lines with the driving integrated circuit, and second lead lines connecting the panel signal lines with the driving integrated circuit, wherein the second lead lines comprise a 2-1 sub-lead line configured to supply a scan-high voltage signal from the driving integrated circuit to the panel signal lines, and a 2-2 sub-lead line configured to supply a scan-low voltage signal from the driving integrated circuit to the panel signal lines, wherein the first lead lines comprises a 1-1 sub-lead line connected to the driving integrated circuit, a 1-1-1 sub-lead line separated from the 1-1 sub-lead line in a first direction, a 1-2 sub-lead line spaced apart from the 1-1 sub-lead line in a second direction intersecting the first direction, and a 1-2-1 sub-lead line spaced apart from the 1-2 sub-lead line in the second direction.

公开(公告)号：US11178754B2

公开(公告)日：2021-11-16

申请号：US16729763

申请日：2019-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Wi Jin Nam ,  Jong Won Moon

IPC: H05K1/00 ,  H05K1/02 ,  H05K1/03 ,  H05K1/14 ,  H05K1/18 ,  H05K3/00 ,  H05K3/10 ,  H05K3/18 ,  H05K3/28 ,  H05K3/36 ,  H01L21/50 ,  H01L23/00 ,  H01L23/498 ,  H01L23/538 ,  H01L27/32

Abstract: A display device includes a display panel including a display surface and a rear surface opposite to each other; and a flexible printed circuit board attachable to the display panel at the rear surface of the display panel. The flexible printed circuit board includes a conductive layer, a passivation layer defining an outer surface of the flexible printed circuit board, and a base film between the conductive layer and the passivation layer, the outer surface includes a first region at which the rear surface of the display panel is attachable to the flexible printed circuit board and a second region at which the rear surface of the display panel is not attached to the flexible printed circuit board, and the first region has greater surface roughness than the second region.

公开(公告)号：US11469288B2

公开(公告)日：2022-10-11

申请号：US16797605

申请日：2020-02-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won Moon ,  Hyung Jun An ,  Cheol Hwan Eom

IPC: H01L27/32 ,  H05K1/18 ,  H05K1/14 ,  H05K1/02

Abstract: A display device includes: a first circuit board, wherein a first end of the first circuit board is attached to the panel pad area; and a second circuit board attached to a second end of the first circuit board, wherein the panel pad area includes a plurality of panel signal wirings, the second circuit board includes a plurality of circuit signal wirings, the first circuit board includes a first wiring layer including a plurality of first lead wirings coupled to the plurality of panel signal wirings, an insulating layer on the first wiring layer, and a second wiring layer on the insulating layer and electrically connected to the first wiring layer through the via hole, the plurality of first lead wirings includes a first sub-lead wiring, a second sub-lead wiring, and a first dummy lead wiring between the first sub-lead wiring and the second sub-lead wiring.