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.

公开(公告)号：US11183091B2

公开(公告)日：2021-11-23

申请号：US17070492

申请日：2020-10-14

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Hwan Eom ,  Hyung Jun An ,  Hyea Weon Shin ,  Jeong Oh Jin

IPC: G09G3/00 ,  G09G3/3266 ,  G09G3/3275 ,  H01L51/52 ,  G09G3/20 ,  H01L27/32

Abstract: A display apparatus includes a display panel, an electrode, a first wiring, a second wiring, a first contact hole, a second contact hole and a first resistor. The display panel includes an active area to display an image and a peripheral area adjacent to the active area. The electrode is in the active area. The first wiring is in the peripheral area and configured to apply a power voltage to the electrode. The second wiring is in the peripheral area and configured to apply the power voltage to the electrode. The first contact hole connects the electrode and the first wiring. The second contact hole connects the electrode and the second wiring. The first resistor is connected between the first wiring and the second wiring.

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：US11626061B2

公开(公告)日：2023-04-11

申请号：US16826704

申请日：2020-03-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyung Jun An ,  Jeong Oh Jin

IPC: H05K1/02 ,  G09G3/22 ,  H05K9/00 ,  H01L27/02

Abstract: A display device includes: a display panel including a display area including pixels and a non-display area adjacent to the display area; a first driving integrated circuit including a first ground terminal, where the first driving integrated circuit is electrically connected to the display panel; a first printed circuit board electrically connected to the first driving integrated circuit; a first plate disposed on a bottom surface of the display panel and overlapping with the first driving integrated circuit; and a second plate disposed on the bottom surface of the display panel and spaced apart from the first plate, where the second plate is electrically connected to a system ground.

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：US10854135B2

公开(公告)日：2020-12-01

申请号：US16543361

申请日：2019-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Jun An ,  Hyea Weon Shin ,  Min Ji Lee

IPC: G09G3/32 ,  H02H1/00 ,  H02H7/20

Abstract: A display device includes a display panel having a display area and pixels at the display area, a power supply configured to supply a first power source voltage to the pixels through a first power line extending to the display area, and to supply a second power source voltage lower than the first power source voltage to the pixels through a second power line including first and second side power lines extending in first and second peripheral areas located at first and second sides of the display area of the display panel, a sensor configured to detect first and second detection values corresponding to currents of the first and second side power lines, and a controller configured to control an operation of the power supply, based on a difference between the first detection value and the second detection value.