公开(公告)号：US20230335062A1

公开(公告)日：2023-10-19

申请号：US18128956

申请日：2023-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： Haijung In ,  Chulkyu Kang ,  Kimyeong Eom ,  Soongi Kwon ,  Minjeong Kim

IPC: G09G3/3266 ,  G09G3/3258

CPC classification number: G09G3/3266 ,  G09G3/3258 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0223

Abstract: A scan driver includes a stage, wherein the stage includes: a first output controller including a first pull-up transistor and a first pull-down transistor, wherein the first pull-up transistor has a gate connected to a first control node, and the first pull-down transistor has a gate connected to a second control node; a second output controller including a second pull-up transistor and a second pull-down transistor, wherein the second pull-up transistor has a gate connected to the first control node, and the second pull-down transistor has a gate connected to the second control node; and a stabilizer configured to maintain the first control node at an off-voltage level based on the second control node being at an on-voltage level.

公开(公告)号：US20230140806A1

公开(公告)日：2023-05-04

申请号：US17748926

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Haijung In ,  Chulkyu Kang ,  Soongi Kwon ,  Minjeong Kim ,  Kimyeong Eom

IPC: G09G3/3258

Abstract: A driver includes a stage that includes a first controller, a second controller, and a first output unit. The first controller controls a voltage level of a first node. The second controller controls voltage levels of a second node and a third node to be equal to the voltage level of a first node or an opposite voltage level of the voltage level of the first node, and controls a voltage level of a fifth node to be equal to the opposite voltage level of the voltage level of the first node. The first output unit may output a gate control signal, which has a first voltage when the second node and the third node is in an on-voltage level state, and has a second voltage when the fifth node is in an on-voltage level state.

公开(公告)号：US20240122007A1

公开(公告)日：2024-04-11

申请号：US18309380

申请日：2023-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin Cho ,  Minjeong Kim

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display apparatus includes: a first connection electrode layer on a substrate and comprising a horizontal connection line extending in a first direction; and a second connection electrode layer on the first connection electrode layer, comprising a vertical connection line extending in a second direction crossing the first direction and a driving voltage line extending in the second direction, the driving voltage line comprising a protrusion overlapping the horizontal connection line.

公开(公告)号：US11800776B2

公开(公告)日：2023-10-24

申请号：US17504245

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Minjeong Kim ,  Hyungjun Park ,  Junyong An ,  Nuree Um ,  Wonkyu Kwak

IPC: H01L23/58 ,  H10K59/88 ,  H10K59/131 ,  H10K59/121 ,  H01L27/12 ,  H01L29/786

CPC classification number: H10K59/88 ,  H10K59/1213 ,  H10K59/131 ,  H01L27/124 ,  H01L27/1225 ,  H01L27/1251 ,  H01L29/7869 ,  H01L29/78675

Abstract: A display apparatus includes a first pad at one side of a substrate; a first semiconductor layer on the substrate; a first crack detection electrode interposed between the substrate and the first semiconductor layer, and including a first end portion at the one side and a second end portion at another side; a second crack detection electrode disposed on the first semiconductor layer, and including a first end portion located at the one side and a second end portion connected to the second end portion of the first crack detection electrode; and a first auxiliary electrode disposed on the second conductive layer, and including a first end portion connected to the second end portion of the first crack detection electrode and a second end portion electrically connected to the first pad.

公开(公告)号：US12225807B2

公开(公告)日：2025-02-11

申请号：US18380196

申请日：2023-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Minjeong Kim ,  Hyungjun Park ,  Junyong An ,  Nuree Um ,  Wonkyu Kwak

IPC: H01L23/58 ,  H10K59/121 ,  H10K59/131 ,  H10K59/88 ,  H01L27/12 ,  H01L29/786

Abstract: A display apparatus includes a first pad at one side of a substrate; a first semiconductor layer on the substrate; a first crack detection electrode interposed between the substrate and the first semiconductor layer, and including a first end portion at the one side and a second end portion at another side; a second crack detection electrode disposed on the first semiconductor layer, and including a first end portion located at the one side and a second end portion connected to the second end portion of the first crack detection electrode; and a first auxiliary electrode disposed on the second conductive layer, and including a first end portion connected to the second end portion of the first crack detection electrode and a second end portion electrically connected to the first pad.

公开(公告)号：US20240065084A1

公开(公告)日：2024-02-22

申请号：US18380196

申请日：2023-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Minjeong Kim ,  Hyungjun Park ,  Junyong An ,  Nuree Um ,  Wonkyu Kwak

IPC: H10K59/88 ,  H10K59/131 ,  H10K59/121

CPC classification number: H10K59/88 ,  H10K59/131 ,  H10K59/1213 ,  H01L27/1225

Abstract: A display apparatus includes a first pad at one side of a substrate; a first semiconductor layer on the substrate; a first crack detection electrode interposed between the substrate and the first semiconductor layer, and including a first end portion at the one side and a second end portion at another side; a second crack detection electrode disposed on the first semiconductor layer, and including a first end portion located at the one side and a second end portion connected to the second end portion of the first crack detection electrode; and a first auxiliary electrode disposed on the second conductive layer, and including a first end portion connected to the second end portion of the first crack detection electrode and a second end portion electrically connected to the first pad.

公开(公告)号：US20240420641A1

公开(公告)日：2024-12-19

申请号：US18815757

申请日：2024-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Haijung In ,  Chulkyu Kang ,  Soongi Kwon ,  Minjeong Kim ,  Kimyeong Eom

IPC: G09G3/3258

Abstract: A driver includes a stage that includes a first controller, a second controller, and a first output unit. The first controller controls a voltage level of a first node. The second controller controls voltage levels of a second node and a third node to be equal to the voltage level of a first node or an opposite voltage level of the voltage level of the first node, and controls a voltage level of a fifth node to be equal to the opposite voltage level of the voltage level of the first node. The first output unit may output a gate control signal, which has a first voltage when the second node and the third node is in an on-voltage level state, and has a second voltage when the fifth node is in an on-voltage level state.

公开(公告)号：US20230290305A1

公开(公告)日：2023-09-14

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 ,  G09G2300/0819 ,  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：US20220271102A1

公开(公告)日：2022-08-25

申请号：US17504245

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Minjeong Kim ,  Hyungjun Park ,  Junyong An ,  Nuree Um ,  Wonkyu Kwak

IPC: H01L27/32

Abstract: A display apparatus includes a first pad at one side of a substrate; a first semiconductor layer on the substrate; a first crack detection electrode interposed between the substrate and the first semiconductor layer, and including a first end portion at the one side and a second end portion at another side; a second crack detection electrode disposed on the first semiconductor layer, and including a first end portion located at the one side and a second end portion connected to the second end portion of the first crack detection electrode; and a first auxiliary electrode disposed on the second conductive layer, and including a first end portion connected to the second end portion of the first crack detection electrode and a second end portion electrically connected to the first pad.

公开(公告)号：US12120931B2

公开(公告)日：2024-10-15

申请号：US17228400

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Nuree Um ,  Mihae Kim ,  Minjeong Kim ,  Hyungjun Park ,  Junyong An

IPC: H10K59/131 ,  G09G3/3258 ,  H01L27/12 ,  H10K59/121

CPC classification number: H10K59/131 ,  G09G3/3258 ,  H01L27/124 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0426

Abstract: A display apparatus includes: a first pixel circuit on the substrate and including a first driving thin-film transistor and a first storage capacitor electrically connected to the first driving thin-film transistor; a second pixel circuit adjacent to the first pixel circuit and including a second driving thin-film transistor and a second storage capacitor electrically connected to the second driving thin-film transistor; a first initialization voltage line electrically connected to the first pixel circuit and the second pixel circuit; a second initialization voltage line electrically connected to the first initialization voltage line; and a driving voltage line between the first pixel circuit and the second pixel circuit, wherein a channel area of the first driving thin-film transistor or a channel area of the second driving thin-film transistor is between the second initialization voltage line and the driving voltage line.