公开(公告)号：US12250856B2

公开(公告)日：2025-03-11

申请号：US17573417

申请日：2022-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Kyunghoe Lee ,  Cheolgon Lee ,  Mukyung Jeon

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124

Abstract: A display apparatus including a display area including a first area having a first resolution and a second area having a second resolution that is lower than the first resolution and a non-display area comprises a conductive pattern arranged in the second area of the display area, a pixel electrode arranged in the second area, an opposite electrode facing the pixel electrode and contacting the conductive pattern, and a first electrode layer arranged in the non-display area and contacting the opposite electrode.

公开(公告)号：US12197667B2

公开(公告)日：2025-01-14

申请号：US18450576

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G06F3/041 ,  G06V40/13

Abstract: Disclosed is a display device including a plurality of touch sensing groups. Each of the plurality of touch sensing groups includes a plurality of write scan circuits, a plurality of pixels connected to the plurality of write scan circuits, a plurality of sensors connected to the plurality of write scan circuits, a plurality of first switching elements switching connections between the plurality of sensors and the plurality of write scan circuits, a touch sensing circuit connected to touch sensors connected one of the plurality of write scan circuits, and a second switching element switching a connection between the touch sensing circuit and the touch sensors.

公开(公告)号：US12106706B2

公开(公告)日：2024-10-01

申请号：US18224079

申请日：2023-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Minjae Jeong ,  Jangmi Kang ,  Hyeongseok Kim ,  Junhyun Park ,  Mukyung Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/061

Abstract: A pixel of a display device includes a first transistor including a top gate coupled to a first node, a first terminal, a second terminal coupled to a second node, and a bottom gate, a second transistor including a gate coupled to a writing signal line, a first terminal coupled to a data line, and a second terminal coupled to the first node, a storage capacitor coupled between the first node and the second node, a light emitting element coupled between the second node and a second power supply voltage line, and a seventh transistor including a gate coupled to an initialization signal line, a first terminal coupled to a bias voltage line, and a second terminal coupled to the bottom gate.

公开(公告)号：US20240324365A1

公开(公告)日：2024-09-26

申请号：US18611696

申请日：2024-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Kyunghoe Lee ,  Cheolgon Lee ,  Mukyung Jeon

IPC: H10K59/131 ,  H10K39/34 ,  H10K77/10

CPC classification number: H10K59/131 ,  H10K39/34 ,  H10K77/111

Abstract: A display apparatus is disclosed that includes a substrate including a display area in which a light-emitting diode and a light sensor is arranged and a peripheral area outside the display area, data lines in the peripheral area, and light sensing signal lines including a first sub-signal line in the peripheral area, a third sub-signal line spaced apart from the first sub-signal line and positioned closer to the display area than the first sub-signal line, and a second sub-signal line connecting the first sub-signal line to the third sub-signal line, wherein, when viewed from a direction perpendicular to the substrate, the data lines are divided into a plurality of line groups, and the second sub-signal line is between the plurality of line groups.

公开(公告)号：US11961455B2

公开(公告)日：2024-04-16

申请号：US18066977

申请日：2022-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun Park ,  Jangmi Kang ,  Hyeongseok Kim ,  Minjae Jeong ,  Mukyung Jeon

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/32 ,  G09G3/006 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0275 ,  G09G2330/12

Abstract: A pixel circuit includes: a light emitting element; a driving transistor to generate a driving current; a write transistor including a control electrode to receive a write gate signal, a first electrode to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor; a first compensation transistor including a control electrode to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor; the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor; and a test transistor including a control electrode, a first electrode to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor.

公开(公告)号：US11955078B2

公开(公告)日：2024-04-09

申请号：US17888295

申请日：2022-08-15

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Heejean Park ,  Yujin Lee ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G09G3/3233 ,  H10K59/13 ,  H10K59/60 ,  H10K59/65

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0291 ,  G09G2354/00 ,  G09G2360/144 ,  G09G2360/148 ,  H10K59/13 ,  H10K59/60 ,  H10K59/65

Abstract: A display device includes: a pixel driving circuit configured to drive the light emitting elements of pixels; and sensors including a light sensing element and a sensor driving circuit connected with the light sensing element and configured to output a sensing signal corresponding to a light, the sensor driving circuit including: a reset transistor including a first electrode configured to receive a reset signal, a second electrode connected with a first sensing node, and a third electrode configured to receive a reset control signal; an amplification transistor including a first electrode configured to receive a sensing driving voltage, a second electrode connected with a second sensing node, and a third electrode connected with the first sensing node; and an output transistor including a first electrode connected with the second sensing node, a second electrode connected with a sensing line, and a third electrode configured to receive an output control signal.

公开(公告)号：US11950478B2

公开(公告)日：2024-04-02

申请号：US17445826

申请日：2021-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kyunghoe Lee ,  Byungchang Yu ,  Mukyung Jeon

IPC: H01L27/32 ,  H10K59/121 ,  H10K59/35

CPC classification number: H10K59/353 ,  H10K59/121 ,  H10K59/352

Abstract: A display apparatus is disclosed that includes a first display area and a second display area adjacent to the first display area. The first and second display areas include first and second light emitting areas having first and second pixel densities, respectively. The first and second light emitting areas at an interface between the first and second display areas are arranged such that in operation light emitted by the first and second light emitting areas produces a gradual decrease in light intensity from the first display area to the second display area near the interface.

公开(公告)号：US20230099387A1

公开(公告)日：2023-03-30

申请号：US17889303

申请日：2022-08-16

Applicant: Samsung Display Co., LTD.

Inventor： JUNHYUN PARK ,  Hyeongseok Kim ,  Jangmi Kang ,  Minjae Jeong ,  Mukyung Jeon

IPC: G09G3/32

Abstract: A pixel circuit includes a light emitting element, a driving switching element, a storage capacitor, a data voltage applying switching element and a first leakage compensation switching element. The driving switching element is configured to apply a driving current to the light emitting element. The storage capacitor is connected to a control electrode of the driving switching element. The data voltage applying switching element is configured to apply a data voltage to the storage capacitor. The first leakage compensation switching element is disposed between the storage capacitor and the data voltage applying switching element.

公开(公告)号：US11423684B2

公开(公告)日：2022-08-23

申请号：US16838689

申请日：2020-04-02

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kim ,  Keumdong Jung ,  KyungTea Park ,  Sunhwa Lee ,  Mukyung Jeon ,  Sanghyun Heo

IPC: G06V40/13 ,  G06F3/041 ,  G06V10/141 ,  G06V40/12

Abstract: A display device relating to a method of operating thereof includes: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.

公开(公告)号：US11031453B2

公开(公告)日：2021-06-08

申请号：US16376364

申请日：2019-04-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Heerim Song ,  Gyungsoon Park ,  Mukyung Jeon

IPC: H01L27/32 ,  H01L51/00 ,  H05K1/18

Abstract: A flexible display apparatus includes a panel that includes a display area that displays images and a fan-out portion in which a plurality of wirings connected to the display area are located, and a driving chip connected to the fan-out portion and connected to the display area via the plurality of wirings. The plurality of wirings arranged in the fan-out portion may include first wirings at a first layer on the panel and second wirings at a second layer that is different from the first layer. The first wirings and the second wirings may be in an overlapping relationship above and below each other.