公开(公告)号：US20200058728A1

公开(公告)日：2020-02-20

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：US20250081778A1

公开(公告)日：2025-03-06

申请号：US18779560

申请日：2024-07-22

Applicant: Samsung Display Co., LTD.

Inventor： Jongsik SHIM ,  Wonkyu KWAK ,  Chulkyu KANG ,  Minjoo KIM ,  Sujin KIM ,  Kimyeong EOM ,  Seoni JEONG

IPC: H10K59/131 ,  H10K59/121

Abstract: A display apparatus includes: a data line connected to a pixel arranged in a display area, wherein the data line extends in a first direction; a shielding line disposed over the data line in the display area, extending in the first direction, and overlapping the data line in a plan view; and a first voltage line connected to the pixel, extending in a second direction perpendicular to the first direction, disposed under the data line, and overlapping the data line in the plan view.

公开(公告)号：US20240194148A1

公开(公告)日：2024-06-13

申请号：US18425064

申请日：2024-01-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Haijung IN ,  Wonkyu KWAK ,  Kimyeong EOM

IPC: G09G3/3266

CPC classification number: G09G3/3266

Abstract: According to an embodiment, a scan driver includes a plurality of stages. An output controller of each of the stages includes a pull-down transistor, and the pull-down transistor includes a first gate and a second gate, where the first gate is electrically connected to a third control node or a node electrically connected to the third control node, and the second gate is connected to a third voltage input terminal to which a third voltage of a second voltage level is applied.

公开(公告)号：US20170323598A1

公开(公告)日：2017-11-09

申请号：US15584600

申请日：2017-05-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinwoo PARK ,  Chaehan HYUN ,  Kimyeong EOM ,  Seungwoo SUNG ,  Junghoon SHIM ,  Minkyu WOO

IPC: G09G3/3233 ,  H01L51/50 ,  H01L51/52

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2310/0262 ,  G09G2320/02 ,  G09G2320/043 ,  H01L27/3265 ,  H01L27/3276 ,  H01L51/50 ,  H01L51/5203

Abstract: An organic light-emitting display includes a first pixel adjacent to a second pixel and a plurality of driving voltage lines to apply driving voltages to the first pixel and the second pixel. The driving voltage lines extend in a first direction crossing the first pixel and the second pixel and a second direction crossing the first direction. Each of the first and second pixels includes a first driving transistor and a second driving transistor that are symmetrical to each other with respect to a boundary between the first pixel and the second pixel, and a first compensation transistor and a second compensation transistor that are asymmetrical to each other with respect to the boundary.

公开(公告)号：US20250104588A1

公开(公告)日：2025-03-27

申请号：US18974348

申请日：2024-12-09

Applicant: Samsung Display Co., LTD.

Inventor： Hai-Jung IN ,  Chulkyu KANG ,  Kimyeong EOM ,  Soon-Gi KWON ,  Min Jeong KIM

IPC: G09G3/20

Abstract: A gate driver includes: a pull-up circuit configured to pull up a gate output signal to a high voltage in response to a signal at a first node of the pull-up circuit; a first pull-down circuit configured to pull down the gate output signal to a low voltage in response to a signal at a second node of the first pull-down circuit; a second pull-down circuit configured to pull down the gate output signal to the low voltage in response to a signal at a third node of the second pull-down circuit; a first selection circuit configured to activate the first pull-down circuit and deactivate the second pull-down circuit based on a first selection signal; and a second selection circuit configured to activate the second pull-down circuit and deactivate the first pull-down circuit based on a second selection signal.

公开(公告)号：US20230360573A1

公开(公告)日：2023-11-09

申请号：US18095097

申请日：2023-01-10

Applicant: Samsung Display Co., LTD.

Inventor： Hai-Jung IN ,  Chulkyu KANG ,  Kimyeong EOM ,  Soon-Gi KWON ,  Min Jeong KIM

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2310/0267 ,  G09G2310/0291 ,  G09G2320/0214

Abstract: A gate driver includes: a pull-up circuit configured to pull up a gate output signal to a high voltage in response to a signal at a first node of the pull-up circuit; a first pull-down circuit configured to pull down the gate output signal to a low voltage in response to a signal at a second node of the first pull-down circuit; a second pull-down circuit configured to pull down the gate output signal to the low voltage in response to a signal at a third node of the second pull-down circuit; a first selection circuit configured to activate the first pull-down circuit and deactivate the second pull-down circuit based on a first selection signal; and a second selection circuit configured to activate the second pull-down circuit and deactivate the first pull-down circuit based on a second selection signal.

公开(公告)号：US20230351972A1

公开(公告)日：2023-11-02

申请号：US18137348

申请日：2023-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Haijung IN ,  Wonkyu KWAK ,  Kimyeong EOM

IPC: G09G3/3266

CPC classification number: G09G3/3266

Abstract: According to an embodiment, a scan driver includes a plurality of stages. An output controller of each of the stages includes a pull-down transistor, and the pull-down transistor includes a first gate and a second gate, where the first gate is electrically connected to a third control node or a node electrically connected to the third control node, and the second gate is connected to a third voltage input terminal to which a third voltage of a second voltage level is applied.

公开(公告)号：US20230145269A1

公开(公告)日：2023-05-11

申请号：US17979975

申请日：2022-11-03

Applicant: Samsung Display Co., LTD.

Inventor： Kyonghwan OH ,  Chulkyu KANG ,  Jintae JEONG ,  Kimyeong EOM ,  Jaehoon LEE ,  Soon-Gi KWON ,  Yangwan KIM ,  Minku LEE

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0426

Abstract: A pixel of a display apparatus includes a light emitting element, a first transistor, a second transistor, a first capacitor, and a second capacitor. The first transistor applies a driving current to the light emitting element. The second transistor transmits a data voltage. The first capacitor includes a first end electrically connected to a control electrode of the first transistor, and a second end electrically connected to an output electrode of the second transistor. The second capacitor includes a first end electrically connected to the output electrode of the second transistor, and a second end electrically connected to an output electrode of the first transistor.

公开(公告)号：US20230119632A1

公开(公告)日：2023-04-20

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

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.