公开(公告)号：US20240155894A1

公开(公告)日：2024-05-09

申请号：US18363565

申请日：2023-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Youngsoo Yoon ,  Wonkyu Kwak ,  Sukyoung Kim ,  Taehyoung No ,  Hyungjun Park ,  Hwayoung Song ,  Konhaeng Lee ,  Bongwon Lee ,  Haeyeon Lee ,  Seunghan Jo

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display apparatus includes: a substrate having a display area and a peripheral area; a scan driving circuit in the peripheral area and adjacent to a first edge of the substrate extending in a first direction; a scan driving circuit line in the peripheral area, adjacent to a second edge of the substrate extending in a second direction, and being electrically connected to the scan driving circuit; a first power connection line in the peripheral area, adjacent to the second edge, between a center of the second edge and the scan driving circuit line, and extending in the first direction from a 1st-1st end portion to a 1st-2nd end portion, the 1st-1st end portion being farther from the display area than the 1st-2nd end portion is; and a power input line over the 1st-1st end portion of the first power connection line and being electrically connected thereto.

公开(公告)号：US11493552B2

公开(公告)日：2022-11-08

申请号：US17191581

申请日：2021-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Seungwoo Sung ,  Dong Eup Lee ,  Seungji Cha ,  Kimyeong Eom ,  Kwangsae Lee

IPC: G01R31/317 ,  G09G3/20

Abstract: A display panel test circuit includes a first transistor connected to a first data line and receiving a red lighting test signal, a second transistor connected to the first data line and receiving a blue lighting test signal, a third transistor connected to a second data line and receiving a first green lighting test signal, a fourth transistor connected to a third data line and receiving the red lighting test signal, a fifth transistor connected to the third data line and receiving the blue lighting test signal, a sixth transistor connected to a fourth data line and receiving a second green lighting test signal, a seventh transistor connected to the second data line and receiving a crack test signal, and an eighth transistor connected to the fourth data line and receiving the crack test signal. The display panel test circuit performs one or more tests on a display panel.

公开(公告)号：US11011595B2

公开(公告)日：2021-05-18

申请号：US16357802

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonse Lee ,  Jintae Jeong ,  Jihyun Ka ,  Hwayoung Song

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel includes a substrate having a non-display area surrounding an opening area, and a display area outside the non-display area, a plurality of display elements arranged in the display area, a plurality of first lines extending in a first direction and bypassing the opening area along an edge of the opening area, a plurality of second lines extending in a second direction that crosses the first direction and, the plurality of second lines bypassing the opening area along the edge of the opening area, and a plurality of third lines extending in the second direction and bypassing the opening area along the edge of the opening area, at least one of the plurality of third lines including a circuitous portion between neighboring first lines of the plurality of first lines in the non-display area.

公开(公告)号：US20210036091A1

公开(公告)日：2021-02-04

申请号：US16940921

申请日：2020-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minchae Kwak ,  Hwayoung Song ,  Junyoung JO ,  Jihyun KA ,  Byungsun Kim ,  Ilgoo Youn ,  Jieun Lee ,  Seunghan JO ,  Minhee Choi

IPC: H01L27/32

Abstract: A display device including: a substrate including a display area and a peripheral area adjacent to the display area; a plurality of data lines extending in a first direction in the display area; a fan-out unit arranged in the peripheral area and connected to the plurality of data lines; a first signal line arranged in the peripheral area; and a common power supply line arranged in the peripheral area and overlapping the fan-out unit.

公开(公告)号：US20240321201A1

公开(公告)日：2024-09-26

申请号：US18440062

申请日：2024-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Jihyun Ka ,  Kimyeong Eom

IPC: G09G3/3233 ,  G09G3/3266 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  H10K59/131 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2330/021

Abstract: A display apparatus includes a pixel, a first scan driving circuit that transmits a first scan signal to the pixel based on a first gate voltage, a second gate voltage having a level lower than a level of the first gate voltage, and a first clock signal, and a second scan driving circuit that transmits a second scan signal to the pixel based on a third gate voltage having a level different from the level of the first gate voltage, a fourth gate voltage having a level lower than the level of the third gate voltage, and a second clock signal.

公开(公告)号：US11659743B2

公开(公告)日：2023-05-23

申请号：US17232785

申请日：2021-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Wonse Lee ,  Jintae Jeong ,  Jihyun Ka ,  Hwayoung Song

IPC: H10K59/131 ,  H10K50/84 ,  H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3276 ,  H01L51/524

Abstract: A display panel includes a substrate having a non-display area surrounding an opening area, and a display area outside the non-display area, a plurality of display elements arranged in the display area, a plurality of first lines extending in a first direction and bypassing the opening area along an edge of the opening area, a plurality of second lines extending in a second direction that crosses the first direction and, the plurality of second lines bypassing the opening area along the edge of the opening area, and a plurality of third lines extending in the second direction and bypassing the opening area along the edge of the opening area, at least one of the plurality of third lines including a circuitous portion between neighboring first lines of the plurality of first lines in the non-display area.

公开(公告)号：US11430858B2

公开(公告)日：2022-08-30

申请号：US16294306

申请日：2019-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwayoung Song ,  Jihyun Ka ,  Kimyeong Eom ,  Kwangsae Lee

IPC: H01L27/32

Abstract: A display panel includes a substrate including a first non-display area surrounding a transmission area, a display area on an outer portion of the first non-display area, and a second non-display area surrounding the display area, driving thin film transistors and display elements in the display area, a first power supply line in the second non-display area and extending in a first direction, first driving voltage lines and second driving voltage lines extending in a second direction intersecting with the first direction and spaced apart from each other with the transmission area therebetween, and a power bus line connected to the second driving voltage lines in the first non-display area or second non-display area, the power bus line extending in the first direction. A length of the power bus line in the first direction is less than a length of the first power supply line in the first direction.

公开(公告)号：US11387311B2

公开(公告)日：2022-07-12

申请号：US16985681

申请日：2020-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Jihyun Ka ,  Jongseok Woo ,  Wonse Lee

IPC: H01L29/08 ,  H01L27/32

Abstract: A display device having an improved reliability includes a substrate including a display area in which a display element is arranged, a first conductive layer extending in a first direction on a plane, located in the display area, and including a protrusion protruding in a second direction crossing the first direction, a first insulating layer on the first conductive layer, a second conductive layer extending in the first direction on a plane, located on the first insulating layer, and defining a groove overlapping the protrusion of the first conductive layer, a second insulating layer on the second conductive layer, and a third conductive layer extending in the second direction on a plane, located on the second insulating layer, and overlapping the protrusion of the first conductive layer.

公开(公告)号：US11257897B2

公开(公告)日：2022-02-22

申请号：US16887760

申请日：2020-05-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunji Cha ,  Jihyun Ka ,  Sukyoung Kim ,  Hwayoung Song ,  Youngsoo Yoon ,  Dongeup Lee ,  Wonse Lee ,  Yunkyeong In ,  Donghyeon Jang ,  Yujin Jeon

IPC: H01L29/12 ,  H01L27/32

Abstract: A display panel includes: a substrate including a first area and a second area surrounding the first area; a first initialization voltage line extending in a first direction and electrically connected to the first display element; a second initialization voltage line extending in the first direction and electrically connected to the second display element; an auxiliary voltage line arranged on a layer different from layers on which the first initialization voltage line and the second initialization voltage line are arranged and electrically connecting the first initialization voltage line and the second initialization voltage line that are apart from each other; and a first insulating layer covering the first initialization voltage line, the second initialization voltage line, and the auxiliary voltage line and arranged below the plurality of display elements.

公开(公告)号：US12112666B2

公开(公告)日：2024-10-08

申请号：US18228244

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Hae-Yeon Lee ,  Sukyoung Kim ,  Hwayoung Song ,  Kwangsae Lee ,  Il-Joo Kim

IPC: G09G3/00 ,  G06F3/041 ,  G06F3/044 ,  H10K59/131 ,  H10K59/40 ,  H10K102/00

CPC classification number: G09G3/006 ,  G06F3/0412 ,  G06F3/0443 ,  G09G3/035 ,  H10K59/131 ,  H10K59/40 ,  G06F2203/04102 ,  G06F2203/04111 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2330/12 ,  G09G2354/00 ,  H10K2102/311

Abstract: A display device includes: a substrate including a display area, a peripheral area surrounding the display area, a hole area positioned inside the display area, and a pad area; a crack detection line including a first part in the pad area and extending to the peripheral area and a second part connected to the first part, disposed to surround the hole area, and extending to the pad area; a printed circuit board in the pad area; first transistors in the pad area and connected in series between the printed circuit board and the first part, where each of gate electrodes of the first transistors is connected to a first signal line; and second transistors in the pad area and connected in series between a constant voltage line and the first part, where each of gate electrodes of the second transistors is connected to a second signal line.