公开(公告)号：US20240281091A1

公开(公告)日：2024-08-22

申请号：US18534995

申请日：2023-12-11

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: G06F3/04166 ,  G06F3/0412 ,  G06F3/042 ,  G06V40/1318 ,  G09G3/3233 ,  G09G2300/0426 ,  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, a plurality of sensors, each of which includes a light sensing element and a sensor driving circuit, and a readout circuit that receives a sensing signal output from the plurality of sensors. The plurality of sensors includes first row light sensing anodes positioned in a first row, second row light sensing anodes positioned in a second row, and an anode connection line that electrically connects y light sensing anodes among the first row light sensing anodes and the second row light sensing anodes with each other, where y is a positive integer.

公开(公告)号：US20240137432A1

公开(公告)日：2024-04-25

申请号：US18363105

申请日：2023-07-31

Applicant: Samsung Display Co., Ltd.

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

IPC: H04M1/02 ,  G09G3/3258

CPC classification number: H04M1/0266 ,  G09G3/3258

Abstract: A display device includes a display panel, and a circuit film disposed under the display panel. The display panel includes a base layer, pixels disposed on the base layer, sensors disposed on the base layer, first connection lines disposed on the base layer and electrically connected to the pixels, second connection lines disposed on the base layer and electrically connected to the sensors, first pads electrically connected to the first connection lines, and second pads electrically connected to the second connection lines. The circuit film is electrically connected to the first pads and the second pads through an opening of the base layer, and each of the plurality of second connection lines has a straight shape extending along a first direction.

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：US20240111381A1

公开(公告)日：2024-04-04

申请号：US18361427

申请日：2023-07-28

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06V40/13 ,  G09G3/3266

CPC classification number: G06F3/04184 ,  G06V40/1318 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2354/00

Abstract: A display device includes: a pixel including a pixel driving circuit and a light emitting element; a sensor including a sensor driving circuit and a sensing element; a first driver to output a first scan signal to the pixel driving circuit; and a second driver to output a second scan signal to the sensor driving circuit. The first driver is to operate at a first operating frequency, and the second driver is to operate at a second operating frequency or a third operating frequency.

公开(公告)号：US20250095583A1

公开(公告)日：2025-03-20

申请号：US18966112

申请日：2024-12-02

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/3233 ,  G06F3/044 ,  G06V40/13

Abstract: A display device includes: a base layer; a plurality of scan lines configured to sequentially receive scan signals, the plurality of scan lines being on the base layer; a plurality of pixels on the base layer and connected to each of the plurality of scan lines; a plurality of sensing control lines configured to simultaneously receive sensing control signals, the sensing control lines being on the base layer; and a plurality of sensors on the base layer and connected to respective ones of the sensing control lines, wherein the scan line and the sensing control line are on the same layer.

公开(公告)号：US20250089516A1

公开(公告)日：2025-03-13

申请号：US18958998

申请日：2024-11-25

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/65 ,  G06V40/13 ,  H10K59/121 ,  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：US20230389391A1

公开(公告)日：2023-11-30

申请号：US18176589

申请日：2023-03-01

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/65 ,  G06F21/32 ,  G06V40/13 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/65 ,  G06F21/32 ,  G06V40/1318 ,  H10K59/1213 ,  H10K59/131

Abstract: A display device in which an active area and a peripheral area adjacent to the active area are defined includes a base layer, a circuit layer disposed on the base layer, and an element layer disposed on the circuit layer and including a light emitting element and a light receiving element. The circuit layer includes a pixel driving circuit connected to the light emitting element, a sensor driving circuit connected to the light receiving element, a plurality of reset voltage wirings disposed in the active area and that provide a reset voltage to the sensor driving circuit, and a reset voltage reinforcement wiring disposed in the peripheral area, connected to the plurality of reset voltage wirings, and extending in a first direction.

公开(公告)号：US20230326404A1

公开(公告)日：2023-10-12

申请号：US18102563

申请日：2023-01-27

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3233 ,  G06V40/13 ,  G06F3/044

CPC classification number: G09G3/3233 ,  G06V40/1318 ,  G06F3/044 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2300/0861 ,  G09G2354/00

Abstract: A display device includes: a base layer; a plurality of scan lines configured to sequentially receive scan signals, the plurality of scan lines being on the base layer; a plurality of pixels on the base layer and connected to each of the plurality of scan lines; a plurality of sensing control lines configured to simultaneously receive sensing control signals, the sensing control lines being on the base layer; and a plurality of sensors on the base layer and connected to respective ones of the sensing control lines, wherein the scan line and the sensing control line are on the same layer.

公开(公告)号：US20220328008A1

公开(公告)日：2022-10-13

申请号：US17546295

申请日：2021-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： HEERIM SONG ,  GYUNGSOON PARK ,  Jinseok JEONG

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275

Abstract: An electronic device includes a display panel including pixels respectively connected to scan lines, scan stages corresponding to the scan lines, where each of the scan stages receives a carry signal, and outputs a scan signal, masking circuits electrically connected to some of the scan stages, respectively, where each of the masking circuits outputs a masking carry signal in response to a masking signal and the scan signal, and transmission circuits electrically connected to others of the scan stages, respectively, where each of the transmission circuits outputs the scan signal output from a corresponding scan stage among the scan stages. A j-th (j is an integer greater than 1) scan stage among the scan stages receives one of the scan signal output from a (j−1)-th scan stage and the masking carry signal as the carry signal.

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.