公开(公告)号：US20220335888A1

公开(公告)日：2022-10-20

申请号：US17579835

申请日：2022-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG

IPC: G09G3/3208

Abstract: A display device includes a display panel including a pixel, and a panel driver driving the display panel. The pixel includes first to fifth transistors. The first transistor is connected between a power line and the light-emitting element. The second transistor is connected between a data line and the first transistor and receives a first scan signal. The third transistor is connected between the first transistor and a first node and receives a second scan signal. The fourth transistor is connected between the first node and an initialization line. The fifth transistor is connected between the first transistor and the first node and receives a fourth scan signal. The first and fourth scan signals are simultaneously activated, and a period of the second scan signal is smaller than or equal to a period of the fourth scan signal.

公开(公告)号：US20210407427A1

公开(公告)日：2021-12-30

申请号：US17182758

申请日：2021-02-23

Applicant: Samsung Display Co., Ltd.

Inventor： SUNHWA LEE ,  GYUNGSOON PARK ,  HEERIM SONG

IPC: G09G3/3266 ,  G09G3/3225

Abstract: A scan driving circuit includes a driving circuit which outputs a first node signal, a second node signal, and a third scan signal in response to clock signals and a carry signal, a first masking circuit which outputs a first scan signal in response to a first masking signal, the first node signal and the second node signal, and a second masking circuit which discharges the first node signal to a first voltage in response to a second masking signal and the second scan signal.

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：US20250014525A1

公开(公告)日：2025-01-09

申请号：US18657656

申请日：2024-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  SOIL YOON ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G09G3/3275 ,  G09G3/32 ,  G09G3/3233

Abstract: A display device includes a base layer having a display region and a non-display region, a circuit layer on the base layer, and an element layer on the circuit layer and including light emitting elements and light receiving elements corresponding to the display region. The circuit layer includes pixel drive circuits connected to the light emitting elements, sensor drive circuits connected to the light receiving elements, readout lines connected to the sensor drive circuits, first data lines connected to a first group of pixel drive circuits from among the pixel drive circuits, second data lines spaced from the first data lines in a first direction and connected to a second group of pixel drive circuits from among the pixel drive circuits, and data connecting lines electrically connected with the second data lines, respectively, in the display region.

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：US20240353951A1

公开(公告)日：2024-10-24

申请号：US18422649

申请日：2024-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  KYUNGHOE LEE ,  SOIL YOON ,  CHEOL-GON LEE

IPC: G06F3/041 ,  G09G3/3233 ,  H10K59/131

CPC classification number: G06F3/04164 ,  G06F3/0412 ,  G09G3/3233 ,  H10K59/131 ,  G06F2203/04111 ,  G09G2300/0408 ,  G09G2300/0819 ,  G09G2300/0842

Abstract: A display device including: a base layer having a display region and a non-display region; a circuit layer on the base layer; and an element layer on the circuit layer, the element layer including light emitting elements and light receiving elements corresponding to the display region, wherein the circuit layer includes: pixel drive circuits connected to the light emitting elements; sensor drive circuits connected to the light receiving elements; data lines connected to the pixel drive circuits; first readout lines connected to a first group of sensor drive circuits among the sensor drive circuits; second readout lines spaced apart from the first readout lines in a first direction and connected to a second group of sensor drive circuits among the sensor drive circuits; and connecting lines electrically connected with the second readout lines, respectively, in the display region.

公开(公告)号：US20240284753A1

公开(公告)日：2024-08-22

申请号：US18523428

申请日：2023-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： CHEOL-GON LEE ,  HEERIM SONG ,  MUKYUNG JEON

IPC: H10K59/65 ,  G06V40/13 ,  H10K59/123 ,  H10K59/40

CPC classification number: H10K59/65 ,  G06V40/1318 ,  H10K59/123 ,  H10K59/40

Abstract: A display device includes: a first pixel unit including a first sensor; and a second pixel unit including a second sensor. The first sensor includes: a first light receiving element; a first-first transistor connected to the first light receiving element; and a first connecting electrode connecting the first light receiving element to the first-first transistor, and extending in a first direction from a first connection point with the first light receiving element. The second sensor includes: a second light receiving element; a first-second transistor connected to the second light receiving element; and a second connecting electrode connecting the second light receiving element to the first-second transistor, and extending in the first direction and a direction opposite to the first direction from a second connection point with the second light receiving element.

公开(公告)号：US20240130194A1

公开(公告)日：2024-04-18

申请号：US18226369

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  MUKYUNG JEON ,  CHEOL-GON LEE

IPC: H10K59/65 ,  G06V40/13 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/65 ,  G06V40/1306 ,  H10K59/1213 ,  H10K59/131

Abstract: A display device including: a base layer; a circuit layer disposed on the base layer; and an element layer disposed on the circuit layer, the element layer including a light emitting element and a light receiving element, wherein the circuit layer includes: a pixel drive circuit connected to the light emitting element; a sensor drive circuit connected to the light receiving element; a data wire connected to the pixel drive circuit; a readout wire connected to the sensor drive circuit; and a shielding electrode wire overlapping the readout wire on a plane.

公开(公告)号：US20240112632A1

公开(公告)日：2024-04-04

申请号：US18450786

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  CHEOL-GON LEE ,  MUKYUNG JEON

IPC: G09G3/3233 ,  G06F3/041 ,  G06F3/042 ,  G06V40/13

CPC classification number: G09G3/3233 ,  G06F3/0412 ,  G06F3/04166 ,  G06F3/042 ,  G06V40/1318 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2354/00

Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. A sensor driving circuit included in at least one of sensors includes a reset transistor configured to output a reset signal to a first sensing node in response to a reset control signal, an amplification transistor connected to first and second sensing nodes and configured to receive a sensor driving voltage, a first output transistor connected between the second sensing node and a readout line and configured to receive a first output control signal, and a second output transistor connected between the second sensing node and the readout line and configured to receive a second output control signal.

公开(公告)号：US20230345767A1

公开(公告)日：2023-10-26

申请号：US18170511

申请日：2023-02-16

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  MUKYUNG JEON ,  HEEJEAN PARK

IPC: H10K59/122 ,  H10K59/12 ,  H10K39/34 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K39/34 ,  H10K59/35 ,  H10K59/771

Abstract: A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and comprising a plurality of light emitting elements and a plurality of light receiving elements, the element layer including: a pixel definition layer having a light emitting opening defined therethrough to correspond to the light emitting elements and a light receiving opening defined therethrough to correspond to the light receiving elements; a disconnected spacer layer adjacent to the light receiving opening on the pixel definition layer; and a common layer commonly in the light emitting elements and the light receiving elements and partially disconnected around the light receiving elements due to the disconnected spacer layer.