公开(公告)号：US20240118758A1

公开(公告)日：2024-04-11

申请号：US18231143

申请日：2023-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  TAEGYUN KIM ,  HEEJEAN PARK ,  YUJIN LEE ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G06F3/041 ,  G06V40/13

CPC classification number: G06F3/0412 ,  G06F3/04164 ,  G06F3/04166 ,  G06V40/1306 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2354/00

Abstract: A display device includes: a pixel including a light emitting element; a sensor including a sensing element and a sensor driving circuit; and a sensor driver to output a sensor scan signal to the sensor driving circuit. The sensor driver includes: a switching circuit connected between a first input terminal for receiving a first clock signal of a first operating frequency and a first clock node, and to output a first filtering clock signal of a second operating frequency to the first clock node in response to a first enable signal; and a driving circuit to output the sensor scan signal in response to the first filtering clock signal of the first clock node.

公开(公告)号：US20230368566A1

公开(公告)日：2023-11-16

申请号：US18114399

申请日：2023-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  HEEJEAN PARK ,  YUJIN LEE ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G06V40/13 ,  G09G3/3233 ,  H10K59/65 ,  H10K59/35

CPC classification number: G06V40/1318 ,  G09G3/3233 ,  H10K59/65 ,  H10K59/353 ,  H10K59/352 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2360/14 ,  G09G2354/00

Abstract: A display device includes a base layer and a pixel layer that is disposed on the base layer and that includes a plurality of reference pixel units and a plurality of sensors. Each of the plurality of reference pixel units includes a first light emitting element, a second light emitting element, and a third light emitting element. Each of the plurality of sensors includes a light sensing element disposed between two second light emitting elements adjacent to each other in a first direction and disposed between the first and third light emitting elements in a second direction intersecting the first direction. The second light emitting element has a different shape from the first and third light emitting elements, and the light sensing element has a different shape from the first and third light emitting elements.

公开(公告)号：US20230326233A1

公开(公告)日：2023-10-12

申请号：US18097514

申请日：2023-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  HEEJEAN PARK ,  YUJIN LEE ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/40 ,  H10K59/121

CPC classification number: G06V40/1318 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/40 ,  H10K59/1213 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2300/0426 ,  G09G2354/00 ,  G09G2300/0861

Abstract: Disclosed is a display device including a base layer and a pixel layer that is disposed on the base layer and that includes a plurality of pixels and a plurality of sensors. Each of the plurality of pixels includes a light emitting element and a pixel drive circuit connected to the light emitting element to control driving of the light emitting element. Each of the plurality of sensors includes a light sensing unit including a plurality of light sensing elements, a sensor drive circuit that is connected to at least two light sensing elements and that outputs a sensing signal in response to light, and a routing wire that electrically connects the at least two light sensing elements to each other.

公开(公告)号：US20210126080A1

公开(公告)日：2021-04-29

申请号：US17028152

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongseok KIM ,  Youngwan SEO ,  Junhyun PARK ,  YUJIN LEE ,  Cheol-Gon LEE

IPC: H01L27/32

Abstract: A display panel includes a first display area and a second display area. The display panel includes a plurality of first pixel groups in the first display area, a plurality of second pixel groups in the second display area, and a plurality of scan lines connected to the first and second pixel groups. The second display area includes a plurality of light emitting areas in which the second pixel groups are respectively disposed, and a plurality of open areas in which the second pixel groups are not disposed. One of a second pixel group of an n-th row is cut and does not overlap an adjacent open area of the n-th row, and is connected in the second display area to a scan line of a second pixel group of an (n−1)-th row or a scan line of a second pixel group of an (n+1)-th row.

公开(公告)号：US20250029560A1

公开(公告)日：2025-01-23

申请号：US18906167

申请日：2024-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  MUKYUNG JEON ,  HEEJEAN PARK ,  YUJIN LEE ,  CHEOL-GON LEE

IPC: G09G3/3233 ,  G09G3/32

Abstract: A pixel includes a light emitting element, a driving switching element, an initialization voltage terminal, a data initialization switching element set, and an adjustment switching element. The driving switching element may provide a driving current to the light emitting element. The adjustment switching element is electrically connected to the data initialization switching element in series. At least one of the data initialization switching element set and the adjustment switching element may control an electrical connection between the control electrode of the driving switching element and the initialization voltage terminal. A control electrode of the adjustment switching element is electrically connected to an input electrode of the adjustment switching element.

公开(公告)号：US20240395065A1

公开(公告)日：2024-11-28

申请号：US18791434

申请日：2024-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  HEEJEAN PARK ,  YUJIN LEE ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/121 ,  H10K59/40

Abstract: Disclosed is a display device including a base layer and a pixel layer that is disposed on the base layer and that includes a plurality of pixels and a plurality of sensors. Each of the plurality of pixels includes a light emitting element and a pixel drive circuit connected to the light emitting element to control driving of the light emitting element. Each of the plurality of sensors includes a light sensing unit including a plurality of light sensing elements, a sensor drive circuit that is connected to at least two light sensing elements and that outputs a sensing signal in response to light, and a routing wire that electrically connects the at least two light sensing elements to each other.

公开(公告)号：US20220366849A1

公开(公告)日：2022-11-17

申请号：US17702136

申请日：2022-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： YUJIN LEE ,  HEEJEAN PARK ,  HEERIM SONG ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G09G3/3233 ,  H01L27/32

Abstract: A pixel includes a driving transistor, a switching transistor, and first and second capacitors. The gate of the driving transistor is disposed below a first insulating layer, and a first conductive pattern defining a first electrode of the first capacitor is disposed below the first insulating layer. A second conductive pattern defining a second electrode of the first capacitor and a first electrode of the second capacitor is disposed on the first insulating layer, a third conductive pattern defining a second electrode of the second capacitor is disposed on a second insulating layer covering the second conductive pattern, and the data line is disposed above the second insulating layer.

公开(公告)号：US20240249685A1

公开(公告)日：2024-07-25

申请号：US18628642

申请日：2024-04-05

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：US20230098891A1

公开(公告)日：2023-03-30

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

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：US20220343844A1

公开(公告)日：2022-10-27

申请号：US17583005

申请日：2022-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  MUKYUNG JEON ,  HEEJEAN PARK ,  YUJIN LEE ,  CHEOL-GON LEE

IPC: G09G3/3233

Abstract: A pixel includes a light emitting element, a driving switching element, an initialization voltage terminal, a data initialization switching element set, and an adjustment switching element. The driving switching element may provide a driving current to the light emitting element. The adjustment switching element is electrically connected to the data initialization switching element in series. At least one of the data initialization switching element set and the adjustment switching element may control an electrical connection between the control electrode of the driving switching element and the initialization voltage terminal. A control electrode of the adjustment switching element is electrically connected to an input electrode of the adjustment switching element.