公开(公告)号：US11935463B2

公开(公告)日：2024-03-19

申请号：US18087280

申请日：2022-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Minku Lee ,  Seunghee Lee

IPC: G06F1/16 ,  G06F3/02 ,  G06F3/0354 ,  G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0852 ,  G09G2330/08 ,  G09G2330/10

Abstract: A light emitting display device includes: a light emitting diode at a display area, and including an anode and a cathode; a pixel circuit at the display area, and to transmit an output current to the anode of the light emitting diode; a repair line extending in a first direction; a repair pixel circuit connected to the repair line; a bridge including one end overlapping with the repair line; and a connecting portion connected to the anode, and including one end overlapping with the bridge. The bridge is not connected to the repair line, the connecting portion, and the anode.

公开(公告)号：US11929028B2

公开(公告)日：2024-03-12

申请号：US18096601

申请日：2023-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Minku Lee ,  Seunghee Lee

IPC: G09G3/3233 ,  G09G3/3291 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2330/04

Abstract: A display panel includes an electrostatic protection circuit including a first protection circuit electrically connected between a first signal line and a second signal line. The first protection circuit includes a first transistor connected between the first signal line and the second signal line and including a gate electrode and a lower gate electrode, a first resistor connected between the gate electrode of the first transistor and the second signal line, a first capacitor connected between the gate electrode of the first transistor and the second signal line, and a second capacitor connected between the lower gate electrode of the first transistor and the second signal line. The lower gate electrode of the first transistor receives a reference voltage.

公开(公告)号：US11631729B2

公开(公告)日：2023-04-18

申请号：US17085933

申请日：2020-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Minku Lee ,  Chulkyu Kang ,  Jaesic Lee ,  Seonkyoon Mok ,  Dongsun Lee ,  Soyoung Lee ,  Haijung In

IPC: H01L27/32

Abstract: A display device includes: a substrate including a display area, a peripheral area outside the display area, and a pad area in the peripheral area; a data line in the display area; and a first connection line in the display area and connected to the data line to transmit, to the data line, a signal from the pad area, wherein the first connection line includes a first portion in a first direction and a second portion bent from the first portion and in a second direction.

公开(公告)号：US10964771B2

公开(公告)日：2021-03-30

申请号：US16426049

申请日：2019-05-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minku Lee ,  Jihyun Ka ,  Kwangsae Lee

IPC: H01L27/32 ,  G09G3/3225

Abstract: A display panel including a substrate including a display area surrounding an opening area and a non-display area between the opening area and the display area; a plurality of display elements on the display area; a plurality of scan lines extending in a first direction and detouring around an edge of the opening area; a plurality of data lines extending in a second direction that intersects with the first direction, the plurality of data lines detouring around the edge of the opening area; and a plurality of emission control lines extending in the first direction and detouring around the edge of the opening area.

公开(公告)号：US12225792B2

公开(公告)日：2025-02-11

申请号：US18301982

申请日：2023-04-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minku Lee ,  Chulkyu Kang ,  Jaesic Lee ,  Seonkyoon Mok ,  Dongsun Lee ,  Soyoung Lee ,  Haijung In

IPC: H10K59/131

Abstract: A display device includes: a substrate including a display area, a peripheral area outside the display area, and a pad area in the peripheral area; a data line in the display area; and a first connection line in the display area and connected to the data line to transmit, to the data line, a signal from the pad area, wherein the first connection line includes a first portion in a first direction and a second portion bent from the first portion and in a second direction.

公开(公告)号：US12080223B2

公开(公告)日：2024-09-03

申请号：US18170508

申请日：2023-02-16

Applicant: Samsung Display Co., LTD.

Inventor： Minku Lee ,  Ji-Hyun Ka ,  Chul Kyu Kang ,  Seunghee Lee ,  Hai-Jung In ,  Hyeongjun Jin ,  Hyun Ji Cha

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0275

Abstract: An emissive display device includes: a light emitting diode; an n-type driving transistor comprising a first driving gate electrode, a first electrode receiving a driving voltage, a second electrode transferring an output current to the anode, and a second driving gate electrode; a second transistor connected to a data line; a third transistor configured to connect the first electrode and the first driving gate electrode of the driving transistor; a storage capacitor comprising a first storage electrode and a second storage electrode connected to the first driving gate electrode; a ninth transistor transferring an overlapping electrode voltage to the second driving gate electrode; an overlapping electrode voltage line crossing the data line and receiving the overlapping electrode voltage; and a shielding electrode at an intersection of the data line and the overlapping electrode voltage line and between the data line and the overlapping electrode voltage line.

公开(公告)号：US11881169B2

公开(公告)日：2024-01-23

申请号：US17970261

申请日：2022-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： Soongi Kwon ,  Wonkyu Kwak ,  Jihyun Ka ,  Chulkyu Kang ,  Yangwan Kim ,  Kimyeong Eom ,  Kyonghwan Oh ,  Minku Lee ,  Jintae Jeong

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A pixel capable of adjusting a threshold voltage of a driving transistor, the pixel including: a display element configured to emit light during an emission period and including an anode and a cathode, the first transistor including an upper gate and a lower gate and configured to control a magnitude of a driving current flowing to the display element, a storage capacitor connected to the upper gate of the first transistor, and a second transistor configured to be turned on during a data writing period to transmit a data voltage to the first transistor, wherein a lower gate-source voltage of the first transistor has a first voltage level in the data writing period and a second voltage level in the emission period.

公开(公告)号：US11955079B2

公开(公告)日：2024-04-09

申请号：US17891948

申请日：2022-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Soongi Kwon ,  Jihyun Ka ,  Minjeong Kim ,  Minku Lee ,  Seunghee Lee ,  Hyeongjun Jin

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A pixel includes a display element, a driving transistor, a storage capacitor, a scan transistor, and a gate control circuit. The display element may emit light for an emission period, wherein the display element includes an anode and a cathode. The driving transistor may control an amount of a driving current flowing through the display element, wherein the driving transistor includes a first gate and a second gate. The storage capacitor is electrically connected to the first gate of the driving transistor. The scan transistor may be turned on for a data-write period for transferring a data voltage to the driving transistor. The lower gate control circuit may electrically connect the second gate of the driving transistor to the anode of the display element for the emission period, and may apply a bias voltage to the second gate of the driving transistor for the data-write period.

公开(公告)号：US11302767B2

公开(公告)日：2022-04-12

申请号：US16821424

申请日：2020-03-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minku Lee ,  Kyunghoon Kim ,  Mihae Kim ,  Changwon Jeong ,  Wonmi Hwang

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

Abstract: A display panel includes: a substrate including an opening area, a non-display area at least partially surrounding the opening area, and a display area; a plurality of first lines, each of which includes a first bypass portion along the opening area; a plurality of second lines, each of which includes a second bypass portion along the opening area; and a shield layer overlapping at least one first bypass portion. Each of the first lines includes a first or second conductive line in the non-display area. Each of the first and second conductive lines includes the first bypass portion. The first and second conductive lines are alternately arranged and are disposed on different layers. Each of the second lines includes a third conductive line in the non-display area. Each of the third conductive lines includes the second bypass portion, and at least partially overlaps the first or second conductive line.

公开(公告)号：US10657892B2

公开(公告)日：2020-05-19

申请号：US16136974

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Minkyu Woo ,  Minku Lee ,  Junwon Choi

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  H01L51/56 ,  H01L51/52

Abstract: A display device includes: a first driving transistor including a first gate electrode and a first semiconductor layer including a first source region and a first drain region, the first driving transistor being in a first pixel area of a substrate; a second driving transistor including a second gate electrode and a second semiconductor layer including a second source region and a second drain region, the second driving transistor being in a second pixel area adjacent the first pixel area of the substrate; a first electrode layer overlapping at least a portion of the first source region of the first driving transistor; a second electrode layer overlapping at least a portion of the second source region of the second driving transistor; a first power line electrically connected to the first electrode layer; and a second power line electrically connected to the second electrode layer.