公开(公告)号：US20230263023A1

公开(公告)日：2023-08-17

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

CPC classification number: 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：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：US20240065032A1

公开(公告)日：2024-02-22

申请号：US18498686

申请日：2023-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Chulkyu KANG ,  Sangmoo CHOI ,  Wonkyu KWAK ,  Jinwoo PARK ,  Dongsun LEE

IPC: H10K59/121 ,  G09G3/3233 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K77/10

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K59/1216 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131 ,  H10K77/111 ,  H01L29/78675

Abstract: A display apparatus includes a substrate including a display area; a first thin film transistor arranged on the display area of the substrate and having a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer by a first gate insulating layer; a second thin film transistor arranged on the display area of the substrate and having a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer; and a storage capacitor at least partially overlapping the first thin film transistor and having a lower electrode and an upper electrode, wherein the second semiconductor layer and one of the lower electrode and the upper electrode are arranged on a same layer.

公开(公告)号：US20200168159A1

公开(公告)日：2020-05-28

申请号：US16551006

申请日：2019-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan KIM ,  Chulkyu KANG ,  Daehyun KIM ,  Soohee OH ,  Dongsun LEE

IPC: G09G3/3266 ,  G09G3/3275 ,  G09G3/3225

Abstract: A display device includes a pixel circuit including a first pixel and a second pixel. The first pixel arranged in a first row and the second pixel arranged in a second row are commonly connected to one scan line, the number of the scan lines required by the display device may be reduced to half. An active period of the first selection signal does not overlap an active period of the second selection signal. A scan on time of the scan signal overlaps one of the active period of the first selection signal and the active period of the second selection signal.

公开(公告)号：US20250072268A1

公开(公告)日：2025-02-27

申请号：US18739490

申请日：2024-06-11

Applicant: Samsung Display Co., LTD.

Inventor： Donghyun KIM ,  Chulkyu KANG ,  Woongki JEON ,  Sujin KIM ,  Seonkyoon MOK

IPC: H10K59/88 ,  H10K59/131

Abstract: A display panel includes a substrate in which a transmission area, a dummy area surrounding the transmission area are defined, and a display area surrounding the dummy area, a driving circuit in the display area and including a transistor, a voltage line in the display area and electrically connected to the driving circuit, an insulating layer on the voltage line, a first pixel electrode on the insulating layer, in the display area, a bank layer covering an edge of the first pixel electrode and defining a first opening overlapping the first pixel electrode, an emission layer overlapping the first pixel electrode, an opposing electrode disposed on the emission layer, and a dummy electrode layer on the insulating layer, in the dummy area. The bank layer extends towards the dummy area and defines a plurality of dummy openings overlapping the dummy electrode layer.

公开(公告)号：US20210175319A1

公开(公告)日：2021-06-10

申请号：US17178529

申请日：2021-02-18

Applicant: Samsung Display Co., Ltd.

Inventor： Youngin CHO ,  Chulkyu KANG ,  Yongjae KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting diode (OLED) display and a method of manufacturing the same are disclosed. In one aspect, the display includes a plurality of pixel electrodes positioned over a substrate and separate from each other, a plurality of auxiliary wirings between the pixel electrodes, a pixel-defining layer over the pixel electrodes except for a central portion of the pixel electrodes and at least a portion of each of the auxiliary wirings, an intermediate layer over the pixel-defining layer and having a plurality of openings formed over the portion of each of the auxiliary wirings, and an opposite electrode positioned over the intermediate layer and facing the pixel electrodes, the opposite electrode electrically contacting the auxiliary wirings via the openings. The auxiliary wirings extend in a first direction and separate from each other by a first distance. The openings are aligned in a diagonal direction crossing the first direction.

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：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.