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：US20220199705A1

公开(公告)日：2022-06-23

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

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：US20240365640A1

公开(公告)日：2024-10-31

申请号：US18627270

申请日：2024-04-04

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/65 ,  G06V40/13 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K59/65 ,  G06V40/1306 ,  H10K59/131 ,  H10K59/873

Abstract: A display device includes: a display panel including: an active area; a peripheral area adjacent to the active area; a circuit layer including a plurality of insulation layers including: at least one lower insulation layer; and at least one upper insulation layer including an inorganic material; and an element layer including a plurality of light emitting elements in the active area, and a plurality of light sensing elements in the active area. The peripheral area includes an open area in which the at least one upper insulation layer is not disposed, and the circuit layer includes: a plurality of readout lines electrically connected with the plurality of light sensing elements, and extending from the active area to the peripheral area; and an inorganic insulation pattern overlapping with the open area and at least a portion of the plurality of readout lines.

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：US20240038148A1

公开(公告)日：2024-02-01

申请号：US18354419

申请日：2023-07-18

Applicant: Samsung Display Co., LTD.

Inventor： JUNHYUN PARK ,  HYEONGSEOK KIM ,  HEEJEAN PARK ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/32 ,  H10K59/121

CPC classification number: G09G3/32 ,  H10K59/1213 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A display device includes a substrate, a first active pattern above the substrate, a first gate layer above the first active pattern, and including a first capacitor electrode, a second gate layer above the first gate layer, and including a second capacitor electrode overlapping the first capacitor electrode, a second active pattern above the second gate layer, and including an extension portion above the second capacitor electrode, and a connection electrode above the second active pattern, and connecting the extension portion and the first capacitor electrode.

公开(公告)号：US20240013712A1

公开(公告)日：2024-01-11

申请号：US18372618

申请日：2023-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHYUN PARK ,  HYEONGSEOK KIM ,  JANGMI KANG ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/32

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

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：US20230290287A1

公开(公告)日：2023-09-14

申请号：US18088716

申请日：2022-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGSEOK KIM ,  JANGMI KANG ,  JUNHYUN PARK ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/32 ,  G09G2300/0819 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2300/0852 ,  G09G2330/12 ,  G09G2300/0861

Abstract: A pixel includes a light emitting element, a first transistor including a first electrode electrically connected to a first voltage line, a second electrode electrically connected to the light emitting element, and a gate electrode connected to a first node, a second transistor including a first electrode connected to a data line, a second electrode, and a gate electrode connected to a first scan line, a third transistor including a first electrode electrically connected to the first node, a second electrode connected to the second electrode of the first transistor, and a gate electrode connected to a second scan line, and a test transistor including a first electrode connected to the first electrode of the first transistor, a second electrode electrically connected to the second electrode of the second transistor, and a gate electrode connected to the second scan line.