公开(公告)号：US11243738B2

公开(公告)日：2022-02-08

申请号：US16695157

申请日：2019-11-25

Applicant: Samsung Display Co., Ltd.

Inventor： Eun Kyung Yeon ,  Yi Joon Ahn ,  Ga Na Kim ,  Jung Hun Noh ,  Jae Been Lee

IPC: G06F3/16 ,  G10K9/125 ,  G06F1/16

Abstract: A display device includes: a display panel; a first sound generating device disposed below the display panel, where the first sound generating device generates a sound by causing the display panel to vibrate; and a second sound generating device disposed below the display panel, where the second generating sound generating device generates a sound by causing the display panel to vibrate. The first sound generating device includes: a first vibrator which vibrates in a first direction, which is a thickness direction of the display panel; and a second vibrator which vibrates in the first direction, and the second sound generating device includes: a third vibrator which vibrates in the first direction; and a fourth vibrator which vibrates in a second direction, which is perpendicular to the first direction.

公开(公告)号：US12156445B2

公开(公告)日：2024-11-26

申请号：US17465515

申请日：2021-09-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Been Lee ,  Yi Joon Ahn ,  Jun Woo You ,  Tae Ho Lee ,  Dae Hwan Jang

IPC: H10K59/131 ,  B32B3/30 ,  B32B7/12 ,  B32B27/08 ,  B32B27/28 ,  H10K50/844 ,  H10K59/12 ,  H10K59/40 ,  H10K59/65 ,  H10K71/00 ,  H10K77/10 ,  H10K102/00

Abstract: A flexible display device includes a first flexible substrate that includes a signal line formed on one side of the first flexible substrate. A second flexible substrate is disposed on a second side of the first flexible substrate that is located opposite to the first side of the first flexible substrate. An opening penetrates the first flexible substrate and the second flexible substrate. A driver is attached to the second flexible substrate. A connection portion electrically connects the driver and the signal line to each other through the opening.

公开(公告)号：US12120933B2

公开(公告)日：2024-10-15

申请号：US17379445

申请日：2021-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Been Lee ,  Yi Joon Ahn ,  Sung Hoon Kim ,  Eun Kyung Yeon

IPC: H10K59/18 ,  H10K59/124 ,  H10K59/131

CPC classification number: H10K59/18 ,  H10K59/124 ,  H10K59/131

Abstract: A display device includes: a substrate comprising a first contact hole; a thin-film transistor layer on a first surface of the substrate and comprising a plurality of insulating layers and a thin-film transistor; an etching stopper on one or more of the insulating layers and contacting the substrate through a second contact hole surrounding the first contact hole in a plan view; a connection line on the etching stopper; and a pad part on a second surface of the substrate opposite the first surface of the substrate and connected to the connection line through the first contact hole.

公开(公告)号：US12080199B2

公开(公告)日：2024-09-03

申请号：US17332939

申请日：2021-05-27

Applicant: Samsung Display Co., LTD.

Inventor： Jae Been Lee ,  Yi Joon Ahn ,  Eun Kyung Yeon

IPC: G09F9/302 ,  G09F9/33 ,  H01L27/15 ,  H01L33/38

CPC classification number: G09F9/3026 ,  G09F9/33 ,  H01L27/156 ,  H01L33/382

Abstract: A display device includes a first display panel including a first substrate, and a second display panel adjacent to the first display panel in a first direction and including a second substrate. One side surface of each of the first and second substrates adjacent to a first boundary between the first display panel and the second display panel includes an uneven pattern, the uneven pattern of the first substrate includes a plurality of first convex portions and a plurality of first concave portions between the first convex portions, the uneven pattern of the second substrate includes a plurality of second convex portions and a plurality of second concave portions between the second convex portions, each of the first convex portions includes at least one first hole passing through the first substrate, and each of the second convex portions includes at least one second hole passing through the second substrate.

公开(公告)号：US11903249B2

公开(公告)日：2024-02-13

申请号：US17315897

申请日：2021-05-10

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hwan Jang ,  Jae Been Lee ,  Jin Ho Cho

IPC: H10K59/121 ,  H10K50/844 ,  H10K59/38 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/121 ,  H10K50/844 ,  H10K59/131 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: A display device includes a base layer including a first surface and a second surface, pixels and first lines that are disposed on the first surface, second lines disposed on the second surface and corresponding to the first lines, a multi-layered etch stopper layer disposed on the first surface and disposed between the base layer and the first lines, and via holes penetrating the base layer and the multi-layered etch stopper layer, the via holes connecting the first lines to the second lines. The multi-layered etch stopper layer includes a first etch stopper layer disposed on the first surface and surrounding each of the via holes, the first etch stopper layer including an inorganic layer, and a second etch stopper layer entirely disposed on the first surface including the first etch stopper layer, the second etch stopper layer being open in a region corresponding to the via holes.

公开(公告)号：US11756967B2

公开(公告)日：2023-09-12

申请号：US17060630

申请日：2020-10-01

Applicant: Samsung Display Co., LTD.

Inventor： Eun Kyung Yeon ,  Jung Hun Noh ,  Yi Joon Ahn ,  Jae Been Lee

IPC: H01L27/12 ,  H01L25/16 ,  H10K59/131

CPC classification number: H01L27/1262 ,  H01L25/167 ,  H10K59/131

Abstract: A display device includes a first substrate having a display area and a non-display area adjacent to the display area, the first substrate including a substrate through-hole penetrating the first substrate in a thickness direction, an etching stopper disposed on a first surface of the first substrate, the etching stopper including a stopper through-hole that overlaps the substrate through-hole and penetrates the etching stopper in the thickness direction, a data line disposed on the etching stopper, a substrate connection electrode that fills the substrate through-hole and the stopper through-hole, the substrate connection electrode being disposed in the display area and electrically connected to the data line, and a first pad disposed on a second surface of the first substrate opposite to the first surface and overlapping the substrate connection electrode. The first pad is electrically connected to the substrate connection electrode.

公开(公告)号：US11636785B2

公开(公告)日：2023-04-25

申请号：US17126210

申请日：2020-12-18

Applicant: Samsung Display Co., LTD.

Inventor： Yi Joon Ahn ,  Jung Hun Noh ,  Eun Kyung Yeon ,  Jae Been Lee

IPC: G09F9/30 ,  H01L51/56 ,  H01L51/00

Abstract: A display device includes a flexible substrate including a folding area, a non-folding area adjacent to the folding area along a first direction, and a first surface in both the folding area and the non-folding area, a light-emitting element layer on the flexible substrate, and a support which faces the light-emitting layer with the flexible substrate therebetween, forms an interface with the first surface of the flexible substrate and is bendable together with the flexible substrate. The support includes a first support corresponding to the folding area, a second support corresponding to the non-folding area, and a through hole extended through the support. The through hole is extended through the first support, and a first portion of the first surface of the flexible substrate is exposed to outside the support by the through hole in the first support.

公开(公告)号：US11194395B2

公开(公告)日：2021-12-07

申请号：US16688837

申请日：2019-11-19

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Hak Oh ,  Jae Been Lee ,  Byeong Hee Won

IPC: G06F3/01 ,  H01L41/113 ,  H01L41/193 ,  H01L41/047 ,  H01L27/32 ,  G06F3/041 ,  G06F3/044 ,  H01L27/20

Abstract: A display device includes a display panel, and a plurality of piezoelectric elements arranged on one surface of the display panel, wherein each of the plurality of piezoelectric elements includes a pressure sensor configured to detect pressure applied to a surface opposite to the one surface of the display panel, and a haptic device configured to generate vibration according to a driving voltage.

公开(公告)号：US10917708B2

公开(公告)日：2021-02-09

申请号：US16813262

申请日：2020-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Byeong Hee Won ,  Jae Been Lee

IPC: H04R1/02 ,  H04R9/02 ,  H04R9/06 ,  H04R7/04 ,  H04R17/00 ,  H04R9/04 ,  H04R7/26

Abstract: A display device includes a display panel which includes a first substrate and a light emitting element layer disposed on a first surface of the first substrate; a lower cover disposed on a second surface of the first substrate; a first sound generator disposed on the second surface of the first substrate, where the first sound generator outputs a first sound by vibrating the display panel using a magnetic force generated through a voice coil therein; and a second sound generator disposed on the second surface of the first substrate, where the second sound generator outputs a second sound corresponding to a pressure change in a space between the display panel and the lower cover caused by a vibration of the display panel.